movit-1.7.1/0000755000175000017500000000000014462263706011716 5ustar sessesessemovit-1.7.1/demo.cpp0000644000175000017500000002404614462263704013352 0ustar sessesesse#define NO_SDL_GLEXT 1 #define WIDTH 1280 #define HEIGHT 720 #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "diffusion_effect.h" #include "effect.h" #include "effect_chain.h" #include "flat_input.h" #include "image_format.h" #include "init.h" #include "lift_gamma_gain_effect.h" #include "saturation_effect.h" #include "util.h" #include "widgets.h" using namespace movit; unsigned char result[WIDTH * HEIGHT * 4]; float lift_theta = 0.0f, lift_rad = 0.0f, lift_v = 0.0f; float gamma_theta = 0.0f, gamma_rad = 0.0f, gamma_v = 0.5f; float gain_theta = 0.0f, gain_rad = 0.0f, gain_v = 0.25f; float saturation = 1.0f; //float radius = 0.3f; // float inner_radius = 0.3f; float blur_radius = 20.0f; float blurred_mix_amount = 0.5f; void update_hsv(Effect *lift_gamma_gain_effect, Effect *saturation_effect) { RGBTriplet lift(0.0f, 0.0f, 0.0f); RGBTriplet gamma(1.0f, 1.0f, 1.0f); RGBTriplet gain(1.0f, 1.0f, 1.0f); hsv2rgb_normalized(lift_theta, lift_rad, lift_v, &lift.r, &lift.g, &lift.b); hsv2rgb_normalized(gamma_theta, gamma_rad, gamma_v * 2.0f, &gamma.r, &gamma.g, &gamma.b); hsv2rgb_normalized(gain_theta, gain_rad, gain_v * 4.0f, &gain.r, &gain.g, &gain.b); bool ok = lift_gamma_gain_effect->set_vec3("lift", (float *)&lift); ok = ok && lift_gamma_gain_effect->set_vec3("gamma", (float *)&gamma); ok = ok && lift_gamma_gain_effect->set_vec3("gain", (float *)&gain); assert(ok); if (saturation < 0.0) { saturation = 0.0; } ok = saturation_effect->set_float("saturation", saturation); assert(ok); } void mouse(int x, int y) { float xf = (x / (float)WIDTH) * 16.0f / 9.0f; float yf = (HEIGHT - y) / (float)HEIGHT; if (yf < 0.2f) { read_colorwheel(xf, yf, &lift_rad, &lift_theta, &lift_v); } else if (yf >= 0.2f && yf < 0.4f) { read_colorwheel(xf, yf - 0.2f, &gamma_rad, &gamma_theta, &gamma_v); } else if (yf >= 0.4f && yf < 0.6f) { read_colorwheel(xf, yf - 0.4f, &gain_rad, &gain_theta, &gain_v); } else if (yf >= 0.6f && yf < 0.62f && xf < 0.2f) { saturation = (xf / 0.2f) * 4.0f; #if 0 } else if (yf >= 0.65f && yf < 0.67f && xf < 0.2f) { radius = (xf / 0.2f); } else if (yf >= 0.70f && yf < 0.72f && xf < 0.2f) { inner_radius = (xf / 0.2f); #endif } else if (yf >= 0.75f && yf < 0.77f && xf < 0.2f) { blur_radius = (xf / 0.2f) * 100.0f; } else if (yf >= 0.80f && yf < 0.82f && xf < 0.2f) { blurred_mix_amount = (xf / 0.2f); } } unsigned char *load_image(const char *filename, unsigned *w, unsigned *h) { SDL_Surface *img = IMG_Load(filename); if (img == nullptr) { fprintf(stderr, "Load of '%s' failed\n", filename); exit(1); } SDL_PixelFormat rgba_fmt; rgba_fmt.palette = nullptr; rgba_fmt.BitsPerPixel = 32; rgba_fmt.BytesPerPixel = 8; rgba_fmt.Rloss = rgba_fmt.Gloss = rgba_fmt.Bloss = rgba_fmt.Aloss = 0; // NOTE: Assumes little endian. rgba_fmt.Rmask = 0x00ff0000; rgba_fmt.Gmask = 0x0000ff00; rgba_fmt.Bmask = 0x000000ff; rgba_fmt.Amask = 0xff000000; rgba_fmt.Rshift = 16; rgba_fmt.Gshift = 8; rgba_fmt.Bshift = 0; rgba_fmt.Ashift = 24; SDL_Surface *converted = SDL_ConvertSurface(img, &rgba_fmt, SDL_SWSURFACE); *w = img->w; *h = img->h; SDL_FreeSurface(img); return (unsigned char *)converted->pixels; } void write_png(const char *filename, unsigned char *screenbuf) { FILE *fp = fopen(filename, "wb"); png_structp png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, nullptr, nullptr, nullptr); png_infop info_ptr = png_create_info_struct(png_ptr); if (setjmp(png_jmpbuf(png_ptr))) { fclose(fp); fprintf(stderr, "Write to %s failed; exiting.\n", filename); exit(1); } png_set_IHDR(png_ptr, info_ptr, WIDTH, HEIGHT, 8, PNG_COLOR_TYPE_RGB_ALPHA, PNG_INTERLACE_NONE, PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT); png_bytep *row_pointers = new png_bytep[HEIGHT]; for (unsigned y = 0; y < HEIGHT; ++y) { row_pointers[y] = screenbuf + ((HEIGHT - y - 1) * WIDTH) * 4; } png_init_io(png_ptr, fp); png_set_rows(png_ptr, info_ptr, row_pointers); png_write_png(png_ptr, info_ptr, PNG_TRANSFORM_BGR, nullptr); png_destroy_write_struct(&png_ptr, &info_ptr); fclose(fp); delete[] row_pointers; } int main(int argc, char **argv) { bool quit = false; if (SDL_Init(SDL_INIT_EVERYTHING) == -1) { fprintf(stderr, "SDL_Init failed: %s\n", SDL_GetError()); exit(1); } SDL_GL_SetAttribute(SDL_GL_ALPHA_SIZE, 8); SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 0); SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE, 0); SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1); SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE); SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3); SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 1); // SDL_GL_SetAttribute(SDL_GL_CONTEXT_FLAGS, SDL_GL_CONTEXT_DEBUG_FLAG); SDL_Window *window = SDL_CreateWindow("OpenGL window", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, WIDTH, HEIGHT, SDL_WINDOW_OPENGL); SDL_GLContext context = SDL_GL_CreateContext(window); assert(context != nullptr); CHECK(init_movit(".", MOVIT_DEBUG_ON)); printf("GPU texture subpixel precision: about %.1f bits\n", log2(1.0f / movit_texel_subpixel_precision)); printf("Wrongly rounded x+0.48 or x+0.52 values: %d/510\n", movit_num_wrongly_rounded); if (movit_num_wrongly_rounded > 0) { printf("Rounding off in the shader to compensate.\n"); } unsigned img_w, img_h; unsigned char *src_img = load_image(argc > 1 ? argv[1] : "blg_wheels_woman_1.jpg", &img_w, &img_h); EffectChain chain(WIDTH, HEIGHT); glViewport(0, 0, WIDTH, HEIGHT); ImageFormat inout_format; inout_format.color_space = COLORSPACE_sRGB; inout_format.gamma_curve = GAMMA_sRGB; FlatInput *input = new FlatInput(inout_format, FORMAT_BGRA_POSTMULTIPLIED_ALPHA, GL_UNSIGNED_BYTE, img_w, img_h); chain.add_input(input); Effect *lift_gamma_gain_effect = chain.add_effect(new LiftGammaGainEffect()); Effect *saturation_effect = chain.add_effect(new SaturationEffect()); Effect *diffusion_effect = chain.add_effect(new DiffusionEffect()); //Effect *vignette_effect = chain.add_effect(new VignetteEffect()); //Effect *sandbox_effect = chain.add_effect(new SandboxEffect()); //sandbox_effect->set_float("parm", 42.0f); //chain.add_effect(new MirrorEffect()); chain.add_output(inout_format, OUTPUT_ALPHA_FORMAT_POSTMULTIPLIED); chain.set_dither_bits(8); chain.finalize(); // generate a PBO to hold the data we read back with glReadPixels() // (Intel/DRI goes into a slow path if we don't read to PBO) GLuint pbo; glGenBuffers(1, &pbo); glBindBuffer(GL_PIXEL_PACK_BUFFER_ARB, pbo); glBufferData(GL_PIXEL_PACK_BUFFER_ARB, WIDTH * HEIGHT * 4, nullptr, GL_STREAM_READ); init_hsv_resources(); check_error(); int frame = 0; bool screenshot = false; #if _POSIX_C_SOURCE >= 199309L struct timespec start, now; clock_gettime(CLOCK_MONOTONIC, &start); #else struct timeval start, now; gettimeofday(&start, nullptr); #endif while (!quit) { SDL_Event event; while (SDL_PollEvent(&event)) { if (event.type == SDL_QUIT) { quit = true; } else if (event.type == SDL_KEYDOWN && event.key.keysym.sym == SDLK_ESCAPE) { quit = true; } else if (event.type == SDL_KEYDOWN && event.key.keysym.sym == SDLK_F1) { screenshot = true; } else if (event.type == SDL_MOUSEBUTTONDOWN && event.button.button == SDL_BUTTON_LEFT) { mouse(event.button.x, event.button.y); } else if (event.type == SDL_MOUSEMOTION && (event.motion.state & SDL_BUTTON(1))) { mouse(event.motion.x, event.motion.y); } } ++frame; update_hsv(lift_gamma_gain_effect, saturation_effect); //vignette_effect->set_float("radius", radius); //vignette_effect->set_float("inner_radius", inner_radius); //vignette_effect->set_vec2("center", (float[]){ 0.7f, 0.5f }); CHECK(diffusion_effect->set_float("radius", blur_radius)); CHECK(diffusion_effect->set_float("blurred_mix_amount", blurred_mix_amount)); input->set_pixel_data(src_img); chain.render_to_screen(); glBindBuffer(GL_PIXEL_PACK_BUFFER_ARB, pbo); check_error(); glReadPixels(0, 0, WIDTH, HEIGHT, GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, BUFFER_OFFSET(0)); check_error(); glBindBuffer(GL_PIXEL_PACK_BUFFER_ARB, 0); check_error(); draw_hsv_wheel(0.0f, lift_rad, lift_theta, lift_v); draw_hsv_wheel(0.2f, gamma_rad, gamma_theta, gamma_v); draw_hsv_wheel(0.4f, gain_rad, gain_theta, gain_v); draw_saturation_bar(0.6f, saturation / 4.0f); #if 0 draw_saturation_bar(0.65f, radius); draw_saturation_bar(0.70f, inner_radius); #endif draw_saturation_bar(0.75f, blur_radius / 100.0f); draw_saturation_bar(0.80f, blurred_mix_amount); SDL_GL_SwapWindow(window); check_error(); glBindBuffer(GL_PIXEL_PACK_BUFFER_ARB, pbo); check_error(); unsigned char *screenbuf = (unsigned char *)glMapBuffer(GL_PIXEL_PACK_BUFFER_ARB, GL_READ_ONLY); check_error(); if (screenshot) { char filename[256]; sprintf(filename, "frame%05d.png", frame); write_png(filename, screenbuf); printf("Screenshot: %s\n", filename); screenshot = false; } glUnmapBuffer(GL_PIXEL_PACK_BUFFER_ARB); check_error(); glBindBuffer(GL_PIXEL_PACK_BUFFER_ARB, 0); check_error(); #if 1 #if _POSIX_C_SOURCE >= 199309L clock_gettime(CLOCK_MONOTONIC, &now); double elapsed = now.tv_sec - start.tv_sec + 1e-9 * (now.tv_nsec - start.tv_nsec); #else gettimeofday(&now, nullptr); double elapsed = now.tv_sec - start.tv_sec + 1e-6 * (now.tv_usec - start.tv_usec); #endif printf("%d frames in %.3f seconds = %.1f fps (%.1f ms/frame)\n", frame, elapsed, frame / elapsed, 1e3 * elapsed / frame); // Reset every 100 frames, so that local variations in frame times // (especially for the first few frames, when the shaders are // compiled etc.) don't make it hard to measure for the entire // remaining duration of the program. if (frame == 100) { frame = 0; start = now; } #endif } cleanup_hsv_resources(); return 0; } movit-1.7.1/widgets.cpp0000644000175000017500000001463614462263704014100 0ustar sessesesse#include #include #include #include #include "resource_pool.h" #include "widgets.h" #include "util.h" #define HSV_WHEEL_SIZE 128 using namespace std; namespace movit { GLuint hsv_wheel_texnum = 0; GLuint textured_program_num = 0, colored_program_num = 0, hsv_vao = 0; ResourcePool resource_pool; void draw_black_point(float x, float y, float point_size) { glUseProgram(colored_program_num); check_error(); float vertices[] = { x, y }; float colors[] = { 0.0f, 0.0f, 0.0f }; glPointSize(point_size); check_error(); GLuint position_vbo = fill_vertex_attribute(colored_program_num, "position", 2, GL_FLOAT, sizeof(vertices), vertices); GLuint color_vbo = fill_vertex_attribute(colored_program_num, "color", 3, GL_FLOAT, sizeof(colors), colors); check_error(); glDrawArrays(GL_POINTS, 0, 1); check_error(); cleanup_vertex_attribute(colored_program_num, "position", position_vbo); cleanup_vertex_attribute(colored_program_num, "color", color_vbo); } void draw_hsv_wheel(float y, float rad, float theta, float value) { glUseProgram(textured_program_num); check_error(); glActiveTexture(GL_TEXTURE0); check_error(); glBindTexture(GL_TEXTURE_2D, hsv_wheel_texnum); check_error(); glUniform1i(glGetUniformLocation(textured_program_num, "tex"), 0); // Bind the 2D sampler. check_error(); glEnable(GL_BLEND); check_error(); glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); check_error(); GLuint vao; glGenVertexArrays(1, &vao); check_error(); glBindVertexArray(vao); check_error(); // wheel float wheel_vertices[] = { 0.0f, y, 0.0f, y + 0.2f, 0.2f * 9.0f / 16.0f, y, 0.2f * 9.0f / 16.0f, y + 0.2f, }; float wheel_texcoords[] = { 0.0f, 1.0f, 0.0f, 0.0f, 1.0f, 1.0f, 1.0f, 0.0f, }; GLuint position_vbo = fill_vertex_attribute(textured_program_num, "position", 2, GL_FLOAT, sizeof(wheel_vertices), wheel_vertices); GLuint texcoord_vbo = fill_vertex_attribute(textured_program_num, "texcoord", 2, GL_FLOAT, sizeof(wheel_texcoords), wheel_texcoords); check_error(); glDrawArrays(GL_TRIANGLE_STRIP, 0, 4); check_error(); cleanup_vertex_attribute(textured_program_num, "position", position_vbo); cleanup_vertex_attribute(textured_program_num, "texcoord", texcoord_vbo); // wheel selector draw_black_point( (0.1f + rad * cos(theta) * 0.1f) * 9.0f / 16.0f, y + 0.1f - rad * sin(theta) * 0.1f, 5.0f); // value slider glUseProgram(colored_program_num); float value_vertices[] = { 0.22f * 9.0f / 16.0f, y, 0.22f * 9.0f / 16.0f, y + 0.2f, 0.24f * 9.0f / 16.0f, y, 0.24f * 9.0f / 16.0f, y + 0.2f, }; float value_colors[] = { 0.0f, 0.0f, 0.0f, 1.0f, 1.0f, 1.0f, 0.0f, 0.0f, 0.0f, 1.0f, 1.0f, 1.0f, }; position_vbo = fill_vertex_attribute(colored_program_num, "position", 2, GL_FLOAT, sizeof(value_vertices), value_vertices); GLuint color_vbo = fill_vertex_attribute(colored_program_num, "color", 3, GL_FLOAT, sizeof(value_colors), value_colors); check_error(); glDrawArrays(GL_TRIANGLE_STRIP, 0, 4); check_error(); cleanup_vertex_attribute(colored_program_num, "position", position_vbo); cleanup_vertex_attribute(colored_program_num, "color", color_vbo); // value selector draw_black_point(0.23f * 9.0f / 16.0f, y + value * 0.2f, 5.0f); glDeleteVertexArrays(1, &vao); check_error(); glUseProgram(0); check_error(); } void draw_saturation_bar(float y, float saturation) { GLuint vao; glGenVertexArrays(1, &vao); check_error(); glBindVertexArray(vao); check_error(); // value slider glUseProgram(colored_program_num); float value_vertices[] = { 0.0f * 9.0f / 16.0f, y + 0.02f, 0.2f * 9.0f / 16.0f, y + 0.02f, 0.0f * 9.0f / 16.0f, y, 0.2f * 9.0f / 16.0f, y, }; float value_colors[] = { 0.0f, 0.0f, 0.0f, 1.0f, 1.0f, 1.0f, 0.0f, 0.0f, 0.0f, 1.0f, 1.0f, 1.0f, }; GLuint position_vbo = fill_vertex_attribute(colored_program_num, "position", 2, GL_FLOAT, sizeof(value_vertices), value_vertices); GLuint color_vbo = fill_vertex_attribute(colored_program_num, "color", 3, GL_FLOAT, sizeof(value_colors), value_colors); check_error(); glDrawArrays(GL_TRIANGLE_STRIP, 0, 4); check_error(); cleanup_vertex_attribute(colored_program_num, "position", position_vbo); cleanup_vertex_attribute(colored_program_num, "color", color_vbo); // value selector draw_black_point(0.2f * saturation * 9.0f / 16.0f, y + 0.01f, 5.0f); glDeleteVertexArrays(1, &vao); check_error(); glUseProgram(0); check_error(); } void make_hsv_wheel_texture() { glGenTextures(1, &hsv_wheel_texnum); static unsigned char hsv_pix[HSV_WHEEL_SIZE * HSV_WHEEL_SIZE * 4]; for (int y = 0; y < HSV_WHEEL_SIZE; ++y) { for (int x = 0; x < HSV_WHEEL_SIZE; ++x) { float yf = 2.0f * y / (float)(HSV_WHEEL_SIZE) - 1.0f; float xf = 2.0f * x / (float)(HSV_WHEEL_SIZE) - 1.0f; float rad = hypot(xf, yf); float theta = atan2(yf, xf); float r, g, b; hsv2rgb(theta, rad, 1.0f, &r, &g, &b); hsv_pix[(y * HSV_WHEEL_SIZE + x) * 4 + 0] = lrintf(r * 255.0f); hsv_pix[(y * HSV_WHEEL_SIZE + x) * 4 + 1] = lrintf(g * 255.0f); hsv_pix[(y * HSV_WHEEL_SIZE + x) * 4 + 2] = lrintf(b * 255.0f); if (rad > 1.0f) { hsv_pix[(y * HSV_WHEEL_SIZE + x) * 4 + 3] = 0; } else { hsv_pix[(y * HSV_WHEEL_SIZE + x) * 4 + 3] = 255; } } } glBindTexture(GL_TEXTURE_2D, hsv_wheel_texnum); check_error(); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); check_error(); glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, HSV_WHEEL_SIZE, HSV_WHEEL_SIZE, 0, GL_RGBA, GL_UNSIGNED_BYTE, hsv_pix); check_error(); } void init_hsv_resources() { vector frag_shader_outputs; textured_program_num = resource_pool.compile_glsl_program( read_version_dependent_file("vs", "vert"), read_version_dependent_file("texture1d", "frag"), frag_shader_outputs); colored_program_num = resource_pool.compile_glsl_program( read_version_dependent_file("vs-color", "vert"), read_version_dependent_file("color", "frag"), frag_shader_outputs); make_hsv_wheel_texture(); } void cleanup_hsv_resources() { resource_pool.release_glsl_program(textured_program_num); resource_pool.release_glsl_program(colored_program_num); } void read_colorwheel(float xf, float yf, float *rad, float *theta, float *value) { if (xf < 0.2f && yf < 0.2f) { float xp = 2.0f * xf / 0.2f - 1.0f; float yp = -(2.0f * yf / 0.2f - 1.0f); *rad = hypot(xp, yp); *theta = atan2(yp, xp); if (*rad > 1.0) { *rad = 1.0; } } else if (xf >= 0.22f && xf <= 0.24f) { *value = yf / 0.2f; } } } // namespace movit movit-1.7.1/effect_util.cpp0000644000175000017500000000556114462263704014720 0ustar sessesesse#include #include #include #include #include "util.h" using namespace std; namespace movit { GLint get_uniform_location(GLuint glsl_program_num, const string &prefix, const string &key) { string name = prefix + "_" + key; return glGetUniformLocation(glsl_program_num, name.c_str()); } void set_uniform_int(GLuint glsl_program_num, const string &prefix, const string &key, int value) { GLint location = get_uniform_location(glsl_program_num, prefix, key); if (location == -1) { return; } check_error(); glUniform1i(location, value); check_error(); } void set_uniform_float(GLuint glsl_program_num, const string &prefix, const string &key, float value) { GLint location = get_uniform_location(glsl_program_num, prefix, key); if (location == -1) { return; } check_error(); glUniform1f(location, value); check_error(); } void set_uniform_vec2(GLuint glsl_program_num, const string &prefix, const string &key, const float *values) { GLint location = get_uniform_location(glsl_program_num, prefix, key); if (location == -1) { return; } check_error(); glUniform2fv(location, 1, values); check_error(); } void set_uniform_vec3(GLuint glsl_program_num, const string &prefix, const string &key, const float *values) { GLint location = get_uniform_location(glsl_program_num, prefix, key); if (location == -1) { return; } check_error(); glUniform3fv(location, 1, values); check_error(); } void set_uniform_vec4(GLuint glsl_program_num, const string &prefix, const string &key, const float *values) { GLint location = get_uniform_location(glsl_program_num, prefix, key); if (location == -1) { return; } check_error(); glUniform4fv(location, 1, values); check_error(); } void set_uniform_vec2_array(GLuint glsl_program_num, const string &prefix, const string &key, const float *values, size_t num_values) { GLint location = get_uniform_location(glsl_program_num, prefix, key); if (location == -1) { return; } check_error(); glUniform2fv(location, num_values, values); check_error(); } void set_uniform_vec4_array(GLuint glsl_program_num, const string &prefix, const string &key, const float *values, size_t num_values) { GLint location = get_uniform_location(glsl_program_num, prefix, key); if (location == -1) { return; } check_error(); glUniform4fv(location, num_values, values); check_error(); } void set_uniform_mat3(GLuint glsl_program_num, const string &prefix, const string &key, const Eigen::Matrix3d& matrix) { GLint location = get_uniform_location(glsl_program_num, prefix, key); if (location == -1) { return; } check_error(); // Convert to float (GLSL has no double matrices). float matrixf[9]; for (unsigned y = 0; y < 3; ++y) { for (unsigned x = 0; x < 3; ++x) { matrixf[y + x * 3] = matrix(y, x); } } glUniformMatrix3fv(location, 1, GL_FALSE, matrixf); check_error(); } } // namespace movit movit-1.7.1/util.cpp0000644000175000017500000002231514462263704013400 0ustar sessesesse#include #include #include #include #include #include #include #include #include #include #include "bundled_shaders.h" #include "fp16.h" #include "init.h" #include "util.h" #if defined(__APPLE__) #include #elif defined(WIN32) #include #else #include #include #endif using namespace std; namespace movit { extern string *movit_data_directory; void hsv2rgb(float h, float s, float v, float *r, float *g, float *b) { if (h < 0.0f) { h += 2.0f * M_PI; } float c = v * s; float hp = (h * 180.0 / M_PI) / 60.0; float x = c * (1 - fabs(fmod(hp, 2.0f) - 1.0f)); if (hp >= 0 && hp < 1) { *r = c; *g = x; *b = 0.0f; } else if (hp >= 1 && hp < 2) { *r = x; *g = c; *b = 0.0f; } else if (hp >= 2 && hp < 3) { *r = 0.0f; *g = c; *b = x; } else if (hp >= 3 && hp < 4) { *r = 0.0f; *g = x; *b = c; } else if (hp >= 4 && hp < 5) { *r = x; *g = 0.0f; *b = c; } else { *r = c; *g = 0.0f; *b = x; } float m = v - c; *r += m; *g += m; *b += m; } void hsv2rgb_normalized(float h, float s, float v, float *r, float *g, float *b) { float ref_r, ref_g, ref_b; hsv2rgb(h, s, v, r, g, b); hsv2rgb(h, 0.0f, v, &ref_r, &ref_g, &ref_b); float lum = 0.2126 * *r + 0.7152 * *g + 0.0722 * *b; float ref_lum = 0.2126 * ref_r + 0.7152 * ref_g + 0.0722 * ref_b; if (lum > 1e-3) { float fac = ref_lum / lum; *r *= fac; *g *= fac; *b *= fac; } } string read_file_from_bundle(const string &filename) { for (const BundledShader *shader = bundled_shaders; shader->filename != nullptr; ++shader) { if (shader->filename == filename) { return string(shader_bundle + shader->offset, shader->length); } } return ""; // Not found. } string read_file(const string &filename) { string contents_from_bundle = read_file_from_bundle(filename); // If no data directory has been given, we read only from the bundle. if (*movit_data_directory == "") { if (contents_from_bundle.empty()) { fprintf(stderr, "%s: Shader not compiled in, and no data directory has been given.\n", filename.c_str()); exit(1); } else { return contents_from_bundle; } } // If we're given a data directory, we still support reading from the bundle, // but a successful read from the file system takes priority. const string full_pathname = *movit_data_directory + "/" + filename; FILE *fp = fopen(full_pathname.c_str(), "r"); if (fp == nullptr) { if (!contents_from_bundle.empty()) { return contents_from_bundle; } perror(full_pathname.c_str()); exit(1); } int ret = fseek(fp, 0, SEEK_END); if (ret == -1) { if (!contents_from_bundle.empty()) { fclose(fp); return contents_from_bundle; } perror("fseek(SEEK_END)"); exit(1); } int size = ftell(fp); ret = fseek(fp, 0, SEEK_SET); if (ret == -1) { if (!contents_from_bundle.empty()) { fclose(fp); return contents_from_bundle; } perror("fseek(SEEK_SET)"); exit(1); } string str; str.resize(size); ret = fread(&str[0], size, 1, fp); if (ret == -1) { if (!contents_from_bundle.empty()) { fclose(fp); return contents_from_bundle; } perror("fread"); exit(1); } if (ret == 0) { if (!contents_from_bundle.empty()) { fclose(fp); return contents_from_bundle; } fprintf(stderr, "Short read when trying to read %d bytes from %s\n", size, full_pathname.c_str()); exit(1); } fclose(fp); return str; } string read_version_dependent_file(const string &base, const string &extension) { if (movit_shader_model == MOVIT_GLSL_130) { return read_file(base + ".130." + extension); } else if (movit_shader_model == MOVIT_GLSL_150) { return read_file(base + ".150." + extension); } else if (movit_shader_model == MOVIT_ESSL_300) { return read_file(base + ".300es." + extension); } else { assert(false); } } GLuint compile_shader(const string &shader_src, GLenum type) { GLuint obj = glCreateShader(type); const GLchar* source[] = { shader_src.data() }; const GLint length[] = { (GLint)shader_src.size() }; glShaderSource(obj, 1, source, length); glCompileShader(obj); GLchar info_log[4096]; GLsizei log_length = sizeof(info_log) - 1; glGetShaderInfoLog(obj, log_length, &log_length, info_log); info_log[log_length] = 0; if (strlen(info_log) > 0) { fprintf(stderr, "Shader compile log: %s\n", info_log); } GLint status; glGetShaderiv(obj, GL_COMPILE_STATUS, &status); if (status == GL_FALSE) { // Add some line numbers to easier identify compile errors. string src_with_lines = "/* 1 */ "; size_t lineno = 1; for (char ch : shader_src) { src_with_lines.push_back(ch); if (ch == '\n') { char buf[32]; snprintf(buf, sizeof(buf), "/* %3zu */ ", ++lineno); src_with_lines += buf; } } fprintf(stderr, "Failed to compile shader:\n%s\n", src_with_lines.c_str()); exit(1); } return obj; } void print_3x3_matrix(const Eigen::Matrix3d& m) { printf("%6.4f %6.4f %6.4f\n", m(0,0), m(0,1), m(0,2)); printf("%6.4f %6.4f %6.4f\n", m(1,0), m(1,1), m(1,2)); printf("%6.4f %6.4f %6.4f\n", m(2,0), m(2,1), m(2,2)); printf("\n"); } string output_glsl_mat3(const string &name, const Eigen::Matrix3d &m) { // Use stringstream to be independent of the current locale in a thread-safe manner. stringstream ss; ss.imbue(locale("C")); ss.precision(8); ss << scientific; ss << "const mat3 " << name << " = mat3(\n"; ss << " " << m(0,0) << ", " << m(1,0) << ", " << m(2,0) << ",\n"; ss << " " << m(0,1) << ", " << m(1,1) << ", " << m(2,1) << ",\n"; ss << " " << m(0,2) << ", " << m(1,2) << ", " << m(2,2) << ");\n\n"; return ss.str(); } string output_glsl_float(const string &name, float x) { // Use stringstream to be independent of the current locale in a thread-safe manner. stringstream ss; ss.imbue(locale("C")); ss.precision(8); ss << scientific; ss << "const float " << name << " = " << x << ";\n"; return ss.str(); } string output_glsl_vec2(const string &name, float x, float y) { // Use stringstream to be independent of the current locale in a thread-safe manner. stringstream ss; ss.imbue(locale("C")); ss.precision(8); ss << scientific; ss << "const vec2 " << name << " = vec2(" << x << ", " << y << ");\n"; return ss.str(); } string output_glsl_vec3(const string &name, float x, float y, float z) { // Use stringstream to be independent of the current locale in a thread-safe manner. stringstream ss; ss.imbue(locale("C")); ss.precision(8); ss << scientific; ss << "const vec3 " << name << " = vec3(" << x << ", " << y << ", " << z << ");\n"; return ss.str(); } GLuint generate_vbo(GLint size, GLenum type, GLsizeiptr data_size, const GLvoid *data) { GLuint vbo; glGenBuffers(1, &vbo); check_error(); glBindBuffer(GL_ARRAY_BUFFER, vbo); check_error(); glBufferData(GL_ARRAY_BUFFER, data_size, data, GL_STATIC_DRAW); check_error(); glBindBuffer(GL_ARRAY_BUFFER, 0); check_error(); return vbo; } GLuint fill_vertex_attribute(GLuint glsl_program_num, const string &attribute_name, GLint size, GLenum type, GLsizeiptr data_size, const GLvoid *data) { int attrib = glGetAttribLocation(glsl_program_num, attribute_name.c_str()); if (attrib == -1) { return -1; } GLuint vbo = generate_vbo(size, type, data_size, data); glBindBuffer(GL_ARRAY_BUFFER, vbo); check_error(); glEnableVertexAttribArray(attrib); check_error(); glVertexAttribPointer(attrib, size, type, GL_FALSE, 0, BUFFER_OFFSET(0)); check_error(); glBindBuffer(GL_ARRAY_BUFFER, 0); check_error(); return vbo; } void cleanup_vertex_attribute(GLuint glsl_program_num, const string &attribute_name, GLuint vbo) { int attrib = glGetAttribLocation(glsl_program_num, attribute_name.c_str()); if (attrib == -1) { return; } glDisableVertexAttribArray(attrib); check_error(); glDeleteBuffers(1, &vbo); check_error(); } unsigned div_round_up(unsigned a, unsigned b) { return (a + b - 1) / b; } // Algorithm from http://graphics.stanford.edu/~seander/bithacks.html#RoundUpPowerOf2. unsigned next_power_of_two(unsigned v) { v--; v |= v >> 1; v |= v >> 2; v |= v >> 4; v |= v >> 8; v |= v >> 16; v++; return v; } void *get_gl_context_identifier() { #if defined(__APPLE__) return (void *)CGLGetCurrentContext(); #elif defined(WIN32) return (void *)wglGetCurrentContext(); #else void *ret = (void *)eglGetCurrentContext(); if (ret != nullptr) { return ret; } return (void *)glXGetCurrentContext(); #endif } void abort_gl_error(GLenum err, const char *filename, int line) { const char *err_text = "unknown"; // All errors listed in the glGetError(3G) man page. switch (err) { case GL_NO_ERROR: err_text = "GL_NO_ERROR"; // Should not happen. break; case GL_INVALID_ENUM: err_text = "GL_INVALID_ENUM"; break; case GL_INVALID_VALUE: err_text = "GL_INVALID_VALUE"; break; case GL_INVALID_OPERATION: err_text = "GL_INVALID_OPERATION"; break; case GL_INVALID_FRAMEBUFFER_OPERATION: err_text = "GL_INVALID_FRAMEBUFFER_OPERATION"; break; case GL_OUT_OF_MEMORY: err_text = "GL_OUT_OF_MEMORY"; break; case GL_STACK_UNDERFLOW: err_text = "GL_STACK_UNDERFLOW"; break; case GL_STACK_OVERFLOW: err_text = "GL_STACK_OVERFLOW"; break; } fprintf(stderr, "GL error 0x%x (%s) at %s:%d\n", err, err_text, filename, line); abort(); } } // namespace movit movit-1.7.1/effect.cpp0000644000175000017500000001313414462263704013656 0ustar sessesesse#include #include #include #include #include #include "effect.h" #include "effect_util.h" using namespace Eigen; using namespace std; namespace movit { bool Effect::set_int(const string &key, int value) { if (params_int.count(key) == 0) { return false; } *params_int[key] = value; return true; } bool Effect::set_ivec2(const string &key, const int *values) { if (params_ivec2.count(key) == 0) { return false; } memcpy(params_ivec2[key], values, sizeof(int) * 2); return true; } bool Effect::set_float(const string &key, float value) { if (params_float.count(key) == 0) { return false; } *params_float[key] = value; return true; } bool Effect::set_vec2(const string &key, const float *values) { if (params_vec2.count(key) == 0) { return false; } memcpy(params_vec2[key], values, sizeof(float) * 2); return true; } bool Effect::set_vec3(const string &key, const float *values) { if (params_vec3.count(key) == 0) { return false; } memcpy(params_vec3[key], values, sizeof(float) * 3); return true; } bool Effect::set_vec4(const string &key, const float *values) { if (params_vec4.count(key) == 0) { return false; } memcpy(params_vec4[key], values, sizeof(float) * 4); return true; } void Effect::register_int(const string &key, int *value) { assert(params_int.count(key) == 0); params_int[key] = value; register_uniform_int(key, value); } void Effect::register_ivec2(const string &key, int *values) { assert(params_ivec2.count(key) == 0); params_ivec2[key] = values; register_uniform_ivec2(key, values); } void Effect::register_float(const string &key, float *value) { assert(params_float.count(key) == 0); params_float[key] = value; register_uniform_float(key, value); } void Effect::register_vec2(const string &key, float *values) { assert(params_vec2.count(key) == 0); params_vec2[key] = values; register_uniform_vec2(key, values); } void Effect::register_vec3(const string &key, float *values) { assert(params_vec3.count(key) == 0); params_vec3[key] = values; register_uniform_vec3(key, values); } void Effect::register_vec4(const string &key, float *values) { assert(params_vec4.count(key) == 0); params_vec4[key] = values; register_uniform_vec4(key, values); } void Effect::set_gl_state(GLuint glsl_program_num, const string& prefix, unsigned *sampler_num) {} void Effect::clear_gl_state() {} void Effect::register_uniform_sampler2d(const std::string &key, const GLint *value) { Uniform uniform; uniform.name = key; uniform.value = value; uniform.num_values = 1; uniform.location = -1; uniforms_sampler2d.push_back(uniform); } void Effect::register_uniform_bool(const std::string &key, const bool *value) { Uniform uniform; uniform.name = key; uniform.value = value; uniform.num_values = 1; uniform.location = -1; uniforms_bool.push_back(uniform); } void Effect::register_uniform_int(const std::string &key, const int *value) { Uniform uniform; uniform.name = key; uniform.value = value; uniform.num_values = 1; uniform.location = -1; uniforms_int.push_back(uniform); } void Effect::register_uniform_ivec2(const std::string &key, const int *values) { Uniform uniform; uniform.name = key; uniform.value = values; uniform.num_values = 1; uniform.location = -1; uniforms_ivec2.push_back(uniform); } void Effect::register_uniform_float(const std::string &key, const float *value) { Uniform uniform; uniform.name = key; uniform.value = value; uniform.num_values = 1; uniform.location = -1; uniforms_float.push_back(uniform); } void Effect::register_uniform_vec2(const std::string &key, const float *values) { Uniform uniform; uniform.name = key; uniform.value = values; uniform.num_values = 1; uniform.location = -1; uniforms_vec2.push_back(uniform); } void Effect::register_uniform_vec3(const std::string &key, const float *values) { Uniform uniform; uniform.name = key; uniform.value = values; uniform.num_values = 1; uniform.location = -1; uniforms_vec3.push_back(uniform); } void Effect::register_uniform_vec4(const std::string &key, const float *values) { Uniform uniform; uniform.name = key; uniform.value = values; uniform.num_values = 1; uniform.location = -1; uniforms_vec4.push_back(uniform); } void Effect::register_uniform_float_array(const std::string &key, const float *values, size_t num_values) { Uniform uniform; uniform.name = key; uniform.value = values; uniform.num_values = num_values; uniform.location = -1; uniforms_float_array.push_back(uniform); } void Effect::register_uniform_vec2_array(const std::string &key, const float *values, size_t num_values) { Uniform uniform; uniform.name = key; uniform.value = values; uniform.num_values = num_values; uniform.location = -1; uniforms_vec2_array.push_back(uniform); } void Effect::register_uniform_vec3_array(const std::string &key, const float *values, size_t num_values) { Uniform uniform; uniform.name = key; uniform.value = values; uniform.num_values = num_values; uniform.location = -1; uniforms_vec3_array.push_back(uniform); } void Effect::register_uniform_vec4_array(const std::string &key, const float *values, size_t num_values) { Uniform uniform; uniform.name = key; uniform.value = values; uniform.num_values = num_values; uniform.location = -1; uniforms_vec4_array.push_back(uniform); } void Effect::register_uniform_mat3(const std::string &key, const Matrix3d *matrix) { Uniform uniform; uniform.name = key; uniform.value = matrix; uniform.num_values = 1; uniform.location = -1; uniforms_mat3.push_back(uniform); } } // namespace movit movit-1.7.1/effect_chain.cpp0000644000175000017500000024434214462263704015027 0ustar sessesesse#include #include #include #include #include #include #include #include #include #include #include #include #include #include "alpha_division_effect.h" #include "alpha_multiplication_effect.h" #include "colorspace_conversion_effect.h" #include "dither_effect.h" #include "effect.h" #include "effect_chain.h" #include "effect_util.h" #include "gamma_compression_effect.h" #include "gamma_expansion_effect.h" #include "init.h" #include "input.h" #include "resource_pool.h" #include "util.h" #include "ycbcr_conversion_effect.h" using namespace Eigen; using namespace std; namespace movit { namespace { // An effect whose only purpose is to sit in a phase on its own and take the // texture output from a compute shader and display it to the normal backbuffer // (or any FBO). That phase can be skipped when rendering using render_to_textures(). class ComputeShaderOutputDisplayEffect : public Effect { public: ComputeShaderOutputDisplayEffect() {} string effect_type_id() const override { return "ComputeShaderOutputDisplayEffect"; } string output_fragment_shader() override { return read_file("identity.frag"); } bool needs_texture_bounce() const override { return true; } }; } // namespace EffectChain::EffectChain(float aspect_nom, float aspect_denom, ResourcePool *resource_pool) : aspect_nom(aspect_nom), aspect_denom(aspect_denom), output_color_rgba(false), num_output_color_ycbcr(0), dither_effect(nullptr), ycbcr_conversion_effect_node(nullptr), intermediate_format(GL_RGBA16F), intermediate_transformation(NO_FRAMEBUFFER_TRANSFORMATION), num_dither_bits(0), output_origin(OUTPUT_ORIGIN_BOTTOM_LEFT), finalized(false), resource_pool(resource_pool), do_phase_timing(false) { if (resource_pool == nullptr) { this->resource_pool = new ResourcePool(); owns_resource_pool = true; } else { owns_resource_pool = false; } // Generate a VBO with some data in (shared position and texture coordinate data). float vertices[] = { 0.0f, 2.0f, 0.0f, 0.0f, 2.0f, 0.0f }; vbo = generate_vbo(2, GL_FLOAT, sizeof(vertices), vertices); } EffectChain::~EffectChain() { for (unsigned i = 0; i < nodes.size(); ++i) { delete nodes[i]->effect; delete nodes[i]; } for (unsigned i = 0; i < phases.size(); ++i) { resource_pool->release_glsl_program(phases[i]->glsl_program_num); delete phases[i]; } if (owns_resource_pool) { delete resource_pool; } glDeleteBuffers(1, &vbo); check_error(); } Input *EffectChain::add_input(Input *input) { assert(!finalized); inputs.push_back(input); add_node(input); return input; } void EffectChain::add_output(const ImageFormat &format, OutputAlphaFormat alpha_format) { assert(!finalized); assert(!output_color_rgba); output_format = format; output_alpha_format = alpha_format; output_color_rgba = true; } void EffectChain::add_ycbcr_output(const ImageFormat &format, OutputAlphaFormat alpha_format, const YCbCrFormat &ycbcr_format, YCbCrOutputSplitting output_splitting, GLenum output_type) { assert(!finalized); assert(num_output_color_ycbcr < 2); output_format = format; output_alpha_format = alpha_format; if (num_output_color_ycbcr == 1) { // Check that the format is the same. assert(output_ycbcr_format.luma_coefficients == ycbcr_format.luma_coefficients); assert(output_ycbcr_format.full_range == ycbcr_format.full_range); assert(output_ycbcr_format.num_levels == ycbcr_format.num_levels); assert(output_ycbcr_format.chroma_subsampling_x == 1); assert(output_ycbcr_format.chroma_subsampling_y == 1); assert(output_ycbcr_type == output_type); } else { output_ycbcr_format = ycbcr_format; output_ycbcr_type = output_type; } output_ycbcr_splitting[num_output_color_ycbcr++] = output_splitting; assert(ycbcr_format.chroma_subsampling_x == 1); assert(ycbcr_format.chroma_subsampling_y == 1); } void EffectChain::change_ycbcr_output_format(const YCbCrFormat &ycbcr_format) { assert(num_output_color_ycbcr > 0); assert(output_ycbcr_format.chroma_subsampling_x == 1); assert(output_ycbcr_format.chroma_subsampling_y == 1); output_ycbcr_format = ycbcr_format; if (finalized) { YCbCrConversionEffect *effect = (YCbCrConversionEffect *)(ycbcr_conversion_effect_node->effect); effect->change_output_format(ycbcr_format); } } Node *EffectChain::add_node(Effect *effect) { for (unsigned i = 0; i < nodes.size(); ++i) { assert(nodes[i]->effect != effect); } Node *node = new Node; node->effect = effect; node->disabled = false; node->output_color_space = COLORSPACE_INVALID; node->output_gamma_curve = GAMMA_INVALID; node->output_alpha_type = ALPHA_INVALID; node->needs_mipmaps = Effect::DOES_NOT_NEED_MIPMAPS; node->one_to_one_sampling = false; node->strong_one_to_one_sampling = false; nodes.push_back(node); node_map[effect] = node; effect->inform_added(this); return node; } void EffectChain::connect_nodes(Node *sender, Node *receiver) { sender->outgoing_links.push_back(receiver); receiver->incoming_links.push_back(sender); } void EffectChain::replace_receiver(Node *old_receiver, Node *new_receiver) { new_receiver->incoming_links = old_receiver->incoming_links; old_receiver->incoming_links.clear(); for (unsigned i = 0; i < new_receiver->incoming_links.size(); ++i) { Node *sender = new_receiver->incoming_links[i]; for (unsigned j = 0; j < sender->outgoing_links.size(); ++j) { if (sender->outgoing_links[j] == old_receiver) { sender->outgoing_links[j] = new_receiver; } } } } void EffectChain::replace_sender(Node *old_sender, Node *new_sender) { new_sender->outgoing_links = old_sender->outgoing_links; old_sender->outgoing_links.clear(); for (unsigned i = 0; i < new_sender->outgoing_links.size(); ++i) { Node *receiver = new_sender->outgoing_links[i]; for (unsigned j = 0; j < receiver->incoming_links.size(); ++j) { if (receiver->incoming_links[j] == old_sender) { receiver->incoming_links[j] = new_sender; } } } } void EffectChain::insert_node_between(Node *sender, Node *middle, Node *receiver) { for (unsigned i = 0; i < sender->outgoing_links.size(); ++i) { if (sender->outgoing_links[i] == receiver) { sender->outgoing_links[i] = middle; middle->incoming_links.push_back(sender); } } for (unsigned i = 0; i < receiver->incoming_links.size(); ++i) { if (receiver->incoming_links[i] == sender) { receiver->incoming_links[i] = middle; middle->outgoing_links.push_back(receiver); } } assert(middle->incoming_links.size() == middle->effect->num_inputs()); } GLenum EffectChain::get_input_sampler(Node *node, unsigned input_num) const { assert(node->effect->needs_texture_bounce()); assert(input_num < node->incoming_links.size()); assert(node->incoming_links[input_num]->bound_sampler_num >= 0); assert(node->incoming_links[input_num]->bound_sampler_num < 8); return GL_TEXTURE0 + node->incoming_links[input_num]->bound_sampler_num; } GLenum EffectChain::has_input_sampler(Node *node, unsigned input_num) const { assert(input_num < node->incoming_links.size()); return node->incoming_links[input_num]->bound_sampler_num >= 0 && node->incoming_links[input_num]->bound_sampler_num < 8; } void EffectChain::find_all_nonlinear_inputs(Node *node, vector *nonlinear_inputs) { if (node->output_gamma_curve == GAMMA_LINEAR && node->effect->effect_type_id() != "GammaCompressionEffect") { return; } if (node->effect->num_inputs() == 0) { nonlinear_inputs->push_back(node); } else { assert(node->effect->num_inputs() == node->incoming_links.size()); for (unsigned i = 0; i < node->incoming_links.size(); ++i) { find_all_nonlinear_inputs(node->incoming_links[i], nonlinear_inputs); } } } Effect *EffectChain::add_effect(Effect *effect, const vector &inputs) { assert(!finalized); assert(inputs.size() == effect->num_inputs()); Node *node = add_node(effect); for (unsigned i = 0; i < inputs.size(); ++i) { assert(node_map.count(inputs[i]) != 0); connect_nodes(node_map[inputs[i]], node); } return effect; } // ESSL doesn't support token pasting. Replace PREFIX(x) with _x. string replace_prefix(const string &text, const string &prefix) { string output; size_t start = 0; while (start < text.size()) { size_t pos = text.find("PREFIX(", start); if (pos == string::npos) { output.append(text.substr(start, string::npos)); break; } output.append(text.substr(start, pos - start)); output.append(prefix); output.append("_"); pos += strlen("PREFIX("); // Output stuff until we find the matching ), which we then eat. int depth = 1; size_t end_arg_pos = pos; while (end_arg_pos < text.size()) { if (text[end_arg_pos] == '(') { ++depth; } else if (text[end_arg_pos] == ')') { --depth; if (depth == 0) { break; } } ++end_arg_pos; } output.append(text.substr(pos, end_arg_pos - pos)); ++end_arg_pos; assert(depth == 0); start = end_arg_pos; } return output; } namespace { template void extract_uniform_declarations(const vector> &effect_uniforms, const string &type_specifier, const string &effect_id, vector> *phase_uniforms, string *glsl_string) { for (unsigned i = 0; i < effect_uniforms.size(); ++i) { phase_uniforms->push_back(effect_uniforms[i]); phase_uniforms->back().prefix = effect_id; *glsl_string += string("uniform ") + type_specifier + " " + effect_id + "_" + effect_uniforms[i].name + ";\n"; } } template void extract_uniform_array_declarations(const vector> &effect_uniforms, const string &type_specifier, const string &effect_id, vector> *phase_uniforms, string *glsl_string) { for (unsigned i = 0; i < effect_uniforms.size(); ++i) { phase_uniforms->push_back(effect_uniforms[i]); phase_uniforms->back().prefix = effect_id; char buf[256]; snprintf(buf, sizeof(buf), "uniform %s %s_%s[%d];\n", type_specifier.c_str(), effect_id.c_str(), effect_uniforms[i].name.c_str(), int(effect_uniforms[i].num_values)); *glsl_string += buf; } } template void collect_uniform_locations(GLuint glsl_program_num, vector> *phase_uniforms) { for (unsigned i = 0; i < phase_uniforms->size(); ++i) { Uniform &uniform = (*phase_uniforms)[i]; uniform.location = get_uniform_location(glsl_program_num, uniform.prefix, uniform.name); } } } // namespace void EffectChain::compile_glsl_program(Phase *phase) { string frag_shader_header; if (phase->is_compute_shader) { frag_shader_header = read_file("header.comp"); } else { frag_shader_header = read_version_dependent_file("header", "frag"); } string frag_shader = ""; // Create functions and uniforms for all the texture inputs that we need. for (unsigned i = 0; i < phase->inputs.size(); ++i) { Node *input = phase->inputs[i]->output_node; char effect_id[256]; sprintf(effect_id, "in%u", i); phase->effect_ids.insert(make_pair(make_pair(input, IN_ANOTHER_PHASE), effect_id)); frag_shader += string("uniform sampler2D tex_") + effect_id + ";\n"; frag_shader += string("vec4 ") + effect_id + "(vec2 tc) {\n"; frag_shader += "\tvec4 tmp = tex2D(tex_" + string(effect_id) + ", tc);\n"; if (intermediate_transformation == SQUARE_ROOT_FRAMEBUFFER_TRANSFORMATION && phase->inputs[i]->output_node->output_gamma_curve == GAMMA_LINEAR) { frag_shader += "\ttmp.rgb *= tmp.rgb;\n"; } frag_shader += "\treturn tmp;\n"; frag_shader += "}\n"; frag_shader += "\n"; Uniform uniform; uniform.name = effect_id; uniform.value = &phase->input_samplers[i]; uniform.prefix = "tex"; uniform.num_values = 1; uniform.location = -1; phase->uniforms_sampler2d.push_back(uniform); } // Give each effect in the phase its own ID. for (unsigned i = 0; i < phase->effects.size(); ++i) { Node *node = phase->effects[i]; char effect_id[256]; sprintf(effect_id, "eff%u", i); bool inserted = phase->effect_ids.insert(make_pair(make_pair(node, IN_SAME_PHASE), effect_id)).second; assert(inserted); } for (unsigned i = 0; i < phase->effects.size(); ++i) { Node *node = phase->effects[i]; const string effect_id = phase->effect_ids[make_pair(node, IN_SAME_PHASE)]; for (unsigned j = 0; j < node->incoming_links.size(); ++j) { if (node->incoming_links.size() == 1) { frag_shader += "#define INPUT"; } else { char buf[256]; sprintf(buf, "#define INPUT%d", j + 1); frag_shader += buf; } Node *input = node->incoming_links[j]; NodeLinkType link_type = node->incoming_link_type[j]; if (i != 0 && input->effect->is_compute_shader() && node->incoming_link_type[j] == IN_SAME_PHASE) { // First effect after the compute shader reads the value // that cs_output() wrote to a global variable, // ignoring the tc (since all such effects have to be // strong one-to-one). frag_shader += "(tc) CS_OUTPUT_VAL\n"; } else { assert(phase->effect_ids.count(make_pair(input, link_type))); frag_shader += string(" ") + phase->effect_ids[make_pair(input, link_type)] + "\n"; } } frag_shader += "\n"; frag_shader += string("#define FUNCNAME ") + effect_id + "\n"; if (node->effect->is_compute_shader()) { frag_shader += string("#define NORMALIZE_TEXTURE_COORDS(tc) ((tc) * ") + effect_id + "_inv_output_size + " + effect_id + "_output_texcoord_adjust)\n"; } frag_shader += replace_prefix(node->effect->output_fragment_shader(), effect_id); frag_shader += "#undef FUNCNAME\n"; if (node->incoming_links.size() == 1) { frag_shader += "#undef INPUT\n"; } else { for (unsigned j = 0; j < node->incoming_links.size(); ++j) { char buf[256]; sprintf(buf, "#undef INPUT%d\n", j + 1); frag_shader += buf; } } frag_shader += "\n"; } if (phase->is_compute_shader) { assert(phase->effect_ids.count(make_pair(phase->compute_shader_node, IN_SAME_PHASE))); frag_shader += string("#define INPUT ") + phase->effect_ids[make_pair(phase->compute_shader_node, IN_SAME_PHASE)] + "\n"; if (phase->compute_shader_node == phase->effects.back()) { // No postprocessing. frag_shader += "#define CS_POSTPROC(tc) CS_OUTPUT_VAL\n"; } else { frag_shader += string("#define CS_POSTPROC ") + phase->effect_ids[make_pair(phase->effects.back(), IN_SAME_PHASE)] + "\n"; } } else { assert(phase->effect_ids.count(make_pair(phase->effects.back(), IN_SAME_PHASE))); frag_shader += string("#define INPUT ") + phase->effect_ids[make_pair(phase->effects.back(), IN_SAME_PHASE)] + "\n"; } // If we're the last phase, add the right #defines for Y'CbCr multi-output as needed. vector frag_shader_outputs; // In order. if (phase->output_node->outgoing_links.empty() && num_output_color_ycbcr > 0) { switch (output_ycbcr_splitting[0]) { case YCBCR_OUTPUT_INTERLEAVED: // No #defines set. frag_shader_outputs.push_back("FragColor"); break; case YCBCR_OUTPUT_SPLIT_Y_AND_CBCR: frag_shader += "#define YCBCR_OUTPUT_SPLIT_Y_AND_CBCR 1\n"; frag_shader_outputs.push_back("Y"); frag_shader_outputs.push_back("Chroma"); break; case YCBCR_OUTPUT_PLANAR: frag_shader += "#define YCBCR_OUTPUT_PLANAR 1\n"; frag_shader_outputs.push_back("Y"); frag_shader_outputs.push_back("Cb"); frag_shader_outputs.push_back("Cr"); break; default: assert(false); } if (num_output_color_ycbcr > 1) { switch (output_ycbcr_splitting[1]) { case YCBCR_OUTPUT_INTERLEAVED: frag_shader += "#define SECOND_YCBCR_OUTPUT_INTERLEAVED 1\n"; frag_shader_outputs.push_back("YCbCr2"); break; case YCBCR_OUTPUT_SPLIT_Y_AND_CBCR: frag_shader += "#define SECOND_YCBCR_OUTPUT_SPLIT_Y_AND_CBCR 1\n"; frag_shader_outputs.push_back("Y2"); frag_shader_outputs.push_back("Chroma2"); break; case YCBCR_OUTPUT_PLANAR: frag_shader += "#define SECOND_YCBCR_OUTPUT_PLANAR 1\n"; frag_shader_outputs.push_back("Y2"); frag_shader_outputs.push_back("Cb2"); frag_shader_outputs.push_back("Cr2"); break; default: assert(false); } } if (output_color_rgba) { // Note: Needs to come in the header, because not only the // output needs to see it (YCbCrConversionEffect and DitherEffect // do, too). frag_shader_header += "#define YCBCR_ALSO_OUTPUT_RGBA 1\n"; frag_shader_outputs.push_back("RGBA"); } } // If we're bouncing to a temporary texture, signal transformation if desired. if (!phase->output_node->outgoing_links.empty()) { if (intermediate_transformation == SQUARE_ROOT_FRAMEBUFFER_TRANSFORMATION && phase->output_node->output_gamma_curve == GAMMA_LINEAR) { frag_shader += "#define SQUARE_ROOT_TRANSFORMATION 1\n"; } } if (phase->is_compute_shader) { frag_shader.append(read_file("footer.comp")); phase->compute_shader_node->effect->register_uniform_ivec2("output_size", phase->uniform_output_size); phase->compute_shader_node->effect->register_uniform_vec2("inv_output_size", (float *)&phase->inv_output_size); phase->compute_shader_node->effect->register_uniform_vec2("output_texcoord_adjust", (float *)&phase->output_texcoord_adjust); } else { frag_shader.append(read_file("footer.frag")); } // Collect uniforms from all effects and output them. Note that this needs // to happen after output_fragment_shader(), even though the uniforms come // before in the output source, since output_fragment_shader() is allowed // to register new uniforms (e.g. arrays that are of unknown length until // finalization time). // TODO: Make a uniform block for platforms that support it. string frag_shader_uniforms = ""; for (unsigned i = 0; i < phase->effects.size(); ++i) { Node *node = phase->effects[i]; Effect *effect = node->effect; const string effect_id = phase->effect_ids[make_pair(node, IN_SAME_PHASE)]; extract_uniform_declarations(effect->uniforms_image2d, "image2D", effect_id, &phase->uniforms_image2d, &frag_shader_uniforms); extract_uniform_declarations(effect->uniforms_sampler2d, "sampler2D", effect_id, &phase->uniforms_sampler2d, &frag_shader_uniforms); extract_uniform_declarations(effect->uniforms_bool, "bool", effect_id, &phase->uniforms_bool, &frag_shader_uniforms); extract_uniform_declarations(effect->uniforms_int, "int", effect_id, &phase->uniforms_int, &frag_shader_uniforms); extract_uniform_declarations(effect->uniforms_ivec2, "ivec2", effect_id, &phase->uniforms_ivec2, &frag_shader_uniforms); extract_uniform_declarations(effect->uniforms_float, "float", effect_id, &phase->uniforms_float, &frag_shader_uniforms); extract_uniform_declarations(effect->uniforms_vec2, "vec2", effect_id, &phase->uniforms_vec2, &frag_shader_uniforms); extract_uniform_declarations(effect->uniforms_vec3, "vec3", effect_id, &phase->uniforms_vec3, &frag_shader_uniforms); extract_uniform_declarations(effect->uniforms_vec4, "vec4", effect_id, &phase->uniforms_vec4, &frag_shader_uniforms); extract_uniform_array_declarations(effect->uniforms_float_array, "float", effect_id, &phase->uniforms_float, &frag_shader_uniforms); extract_uniform_array_declarations(effect->uniforms_vec2_array, "vec2", effect_id, &phase->uniforms_vec2, &frag_shader_uniforms); extract_uniform_array_declarations(effect->uniforms_vec3_array, "vec3", effect_id, &phase->uniforms_vec3, &frag_shader_uniforms); extract_uniform_array_declarations(effect->uniforms_vec4_array, "vec4", effect_id, &phase->uniforms_vec4, &frag_shader_uniforms); extract_uniform_declarations(effect->uniforms_mat3, "mat3", effect_id, &phase->uniforms_mat3, &frag_shader_uniforms); } string vert_shader = read_version_dependent_file("vs", "vert"); // If we're the last phase and need to flip the picture to compensate for // the origin, tell the vertex or compute shader so. bool is_last_phase; if (has_dummy_effect) { is_last_phase = (phase->output_node->outgoing_links.size() == 1 && phase->output_node->outgoing_links[0]->effect->effect_type_id() == "ComputeShaderOutputDisplayEffect"); } else { is_last_phase = phase->output_node->outgoing_links.empty(); } if (is_last_phase && output_origin == OUTPUT_ORIGIN_TOP_LEFT) { if (phase->is_compute_shader) { frag_shader_header += "#define FLIP_ORIGIN 1\n"; } else { const string needle = "#define FLIP_ORIGIN 0"; size_t pos = vert_shader.find(needle); assert(pos != string::npos); vert_shader[pos + needle.size() - 1] = '1'; } } frag_shader = frag_shader_header + frag_shader_uniforms + frag_shader; if (phase->is_compute_shader) { phase->glsl_program_num = resource_pool->compile_glsl_compute_program(frag_shader); Uniform uniform; uniform.name = "outbuf"; uniform.value = &phase->outbuf_image_unit; uniform.prefix = "tex"; uniform.num_values = 1; uniform.location = -1; phase->uniforms_image2d.push_back(uniform); } else { phase->glsl_program_num = resource_pool->compile_glsl_program(vert_shader, frag_shader, frag_shader_outputs); } GLint position_attribute_index = glGetAttribLocation(phase->glsl_program_num, "position"); GLint texcoord_attribute_index = glGetAttribLocation(phase->glsl_program_num, "texcoord"); if (position_attribute_index != -1) { phase->attribute_indexes.insert(position_attribute_index); } if (texcoord_attribute_index != -1) { phase->attribute_indexes.insert(texcoord_attribute_index); } // Collect the resulting location numbers for each uniform. collect_uniform_locations(phase->glsl_program_num, &phase->uniforms_image2d); collect_uniform_locations(phase->glsl_program_num, &phase->uniforms_sampler2d); collect_uniform_locations(phase->glsl_program_num, &phase->uniforms_bool); collect_uniform_locations(phase->glsl_program_num, &phase->uniforms_int); collect_uniform_locations(phase->glsl_program_num, &phase->uniforms_ivec2); collect_uniform_locations(phase->glsl_program_num, &phase->uniforms_float); collect_uniform_locations(phase->glsl_program_num, &phase->uniforms_vec2); collect_uniform_locations(phase->glsl_program_num, &phase->uniforms_vec3); collect_uniform_locations(phase->glsl_program_num, &phase->uniforms_vec4); collect_uniform_locations(phase->glsl_program_num, &phase->uniforms_mat3); } // Construct GLSL programs, starting at the given effect and following // the chain from there. We end a program every time we come to an effect // marked as "needs texture bounce", one that is used by multiple other // effects, every time we need to bounce due to output size change // (not all size changes require ending), and of course at the end. // // We follow a quite simple depth-first search from the output, although // without recursing explicitly within each phase. Phase *EffectChain::construct_phase(Node *output, map *completed_effects) { if (completed_effects->count(output)) { return (*completed_effects)[output]; } Phase *phase = new Phase; phase->output_node = output; phase->is_compute_shader = false; phase->compute_shader_node = nullptr; // If the output effect has one-to-one sampling, we try to trace this // status down through the dependency chain. This is important in case // we hit an effect that changes output size (and not sets a virtual // output size); if we have one-to-one sampling, we don't have to break // the phase. output->one_to_one_sampling = output->effect->one_to_one_sampling(); output->strong_one_to_one_sampling = output->effect->strong_one_to_one_sampling(); // Effects that we have yet to calculate, but that we know should // be in the current phase. stack effects_todo_this_phase; effects_todo_this_phase.push(output); while (!effects_todo_this_phase.empty()) { Node *node = effects_todo_this_phase.top(); effects_todo_this_phase.pop(); assert(node->effect->one_to_one_sampling() >= node->effect->strong_one_to_one_sampling()); if (node->effect->needs_mipmaps() != Effect::DOES_NOT_NEED_MIPMAPS) { // Can't have incompatible requirements imposed on us from a dependent effect; // if so, it should have started a new phase instead. assert(node->needs_mipmaps == Effect::DOES_NOT_NEED_MIPMAPS || node->needs_mipmaps == node->effect->needs_mipmaps()); node->needs_mipmaps = node->effect->needs_mipmaps(); } // This should currently only happen for effects that are inputs // (either true inputs or phase outputs). We special-case inputs, // and then deduplicate phase outputs below. if (node->effect->num_inputs() == 0) { if (find(phase->effects.begin(), phase->effects.end(), node) != phase->effects.end()) { continue; } } else { assert(completed_effects->count(node) == 0); } phase->effects.push_back(node); if (node->effect->is_compute_shader()) { assert(phase->compute_shader_node == nullptr || phase->compute_shader_node == node); phase->is_compute_shader = true; phase->compute_shader_node = node; } // Find all the dependencies of this effect, and add them to the stack. assert(node->effect->num_inputs() == node->incoming_links.size()); for (Node *dep : node->incoming_links) { bool start_new_phase = false; Effect::MipmapRequirements save_needs_mipmaps = dep->needs_mipmaps; if (node->effect->needs_texture_bounce() && !dep->effect->is_single_texture() && !dep->effect->override_disable_bounce()) { start_new_phase = true; } // Propagate information about needing mipmaps down the chain, // breaking the phase if we notice an incompatibility. // // Note that we cannot do this propagation as a normal pass, // because it needs information about where the phases end // (we should not propagate the flag across phases). if (node->needs_mipmaps != Effect::DOES_NOT_NEED_MIPMAPS) { // The node can have a value set (ie. not DOES_NOT_NEED_MIPMAPS) // if we have diamonds in the graph; if so, choose that. // If not, the effect on the node can also decide (this is the // more common case). Effect::MipmapRequirements dep_mipmaps = dep->needs_mipmaps; if (dep_mipmaps == Effect::DOES_NOT_NEED_MIPMAPS) { if (dep->effect->num_inputs() == 0) { Input *input = static_cast(dep->effect); dep_mipmaps = input->can_supply_mipmaps() ? Effect::DOES_NOT_NEED_MIPMAPS : Effect::CANNOT_ACCEPT_MIPMAPS; } else { dep_mipmaps = dep->effect->needs_mipmaps(); } } if (dep_mipmaps == Effect::DOES_NOT_NEED_MIPMAPS) { dep->needs_mipmaps = node->needs_mipmaps; } else if (dep_mipmaps != node->needs_mipmaps) { // The dependency cannot supply our mipmap demands // (either because it's an input that can't do mipmaps, // or because there's a conflict between mipmap-needing // and mipmap-refusing effects somewhere in the graph), // so they cannot be in the same phase. start_new_phase = true; } } if (dep->outgoing_links.size() > 1) { if (!dep->effect->is_single_texture()) { // More than one effect uses this as the input, // and it is not a texture itself. // The easiest thing to do (and probably also the safest // performance-wise in most cases) is to bounce it to a texture // and then let the next passes read from that. start_new_phase = true; } else { assert(dep->effect->num_inputs() == 0); // For textures, we try to be slightly more clever; // if none of our outputs need a bounce, we don't bounce // but instead simply use the effect many times. // // Strictly speaking, we could bounce it for some outputs // and use it directly for others, but the processing becomes // somewhat simpler if the effect is only used in one such way. for (unsigned j = 0; j < dep->outgoing_links.size(); ++j) { Node *rdep = dep->outgoing_links[j]; start_new_phase |= rdep->effect->needs_texture_bounce(); } } } if (dep->effect->is_compute_shader()) { if (phase->is_compute_shader) { // Only one compute shader per phase. start_new_phase = true; } else if (!node->strong_one_to_one_sampling) { // If all nodes so far are strong one-to-one, we can put them after // the compute shader (ie., process them on the output). start_new_phase = true; } else if (!start_new_phase) { phase->is_compute_shader = true; phase->compute_shader_node = dep; } } else if (dep->effect->sets_virtual_output_size()) { assert(dep->effect->changes_output_size()); // If the next effect sets a virtual size to rely on OpenGL's // bilinear sampling, we'll really need to break the phase here. start_new_phase = true; } else if (dep->effect->changes_output_size() && !node->one_to_one_sampling) { // If the next effect changes size and we don't have one-to-one sampling, // we also need to break here. start_new_phase = true; } if (start_new_phase) { // Since we're starting a new phase here, we don't need to impose any // new demands on this effect. Restore the status we had before we // started looking at it. dep->needs_mipmaps = save_needs_mipmaps; phase->inputs.push_back(construct_phase(dep, completed_effects)); } else { effects_todo_this_phase.push(dep); // Propagate the one-to-one status down through the dependency. dep->one_to_one_sampling = node->one_to_one_sampling && dep->effect->one_to_one_sampling(); dep->strong_one_to_one_sampling = node->strong_one_to_one_sampling && dep->effect->strong_one_to_one_sampling(); } node->incoming_link_type.push_back(start_new_phase ? IN_ANOTHER_PHASE : IN_SAME_PHASE); } } // No more effects to do this phase. Take all the ones we have, // and create a GLSL program for it. assert(!phase->effects.empty()); // Deduplicate the inputs, but don't change the ordering e.g. by sorting; // that would be nondeterministic and thus reduce cacheability. // TODO: Make this even more deterministic. vector dedup_inputs; set seen_inputs; for (size_t i = 0; i < phase->inputs.size(); ++i) { if (seen_inputs.insert(phase->inputs[i]).second) { dedup_inputs.push_back(phase->inputs[i]); } } swap(phase->inputs, dedup_inputs); // Allocate samplers for each input. phase->input_samplers.resize(phase->inputs.size()); // We added the effects from the output and back, but we need to output // them in topological sort order in the shader. phase->effects = topological_sort(phase->effects); // Figure out if we need mipmaps or not, and if so, tell the inputs that. // (RTT inputs have different logic, which is checked in execute_phase().) for (unsigned i = 0; i < phase->effects.size(); ++i) { Node *node = phase->effects[i]; if (node->effect->num_inputs() == 0) { Input *input = static_cast(node->effect); assert(node->needs_mipmaps != Effect::NEEDS_MIPMAPS || input->can_supply_mipmaps()); CHECK(input->set_int("needs_mipmaps", node->needs_mipmaps == Effect::NEEDS_MIPMAPS)); } } // Tell each node which phase it ended up in, so that the unit test // can check that the phases were split in the right place. // Note that this ignores that effects may be part of multiple phases; // if the unit tests need to test such cases, we'll reconsider. for (unsigned i = 0; i < phase->effects.size(); ++i) { phase->effects[i]->containing_phase = phase; } // Actually make the shader for this phase. compile_glsl_program(phase); // Initialize timers. if (movit_timer_queries_supported) { phase->time_elapsed_ns = 0; phase->num_measured_iterations = 0; } assert(completed_effects->count(output) == 0); completed_effects->insert(make_pair(output, phase)); phases.push_back(phase); return phase; } void EffectChain::output_dot(const char *filename) { if (movit_debug_level != MOVIT_DEBUG_ON) { return; } FILE *fp = fopen(filename, "w"); if (fp == nullptr) { perror(filename); exit(1); } fprintf(fp, "digraph G {\n"); fprintf(fp, " output [shape=box label=\"(output)\"];\n"); for (unsigned i = 0; i < nodes.size(); ++i) { // Find out which phase this event belongs to. vector in_phases; for (unsigned j = 0; j < phases.size(); ++j) { const Phase* p = phases[j]; if (find(p->effects.begin(), p->effects.end(), nodes[i]) != p->effects.end()) { in_phases.push_back(j); } } if (in_phases.empty()) { fprintf(fp, " n%ld [label=\"%s\"];\n", (long)nodes[i], nodes[i]->effect->effect_type_id().c_str()); } else if (in_phases.size() == 1) { fprintf(fp, " n%ld [label=\"%s\" style=\"filled\" fillcolor=\"/accent8/%d\"];\n", (long)nodes[i], nodes[i]->effect->effect_type_id().c_str(), (in_phases[0] % 8) + 1); } else { // If we had new enough Graphviz, style="wedged" would probably be ideal here. // But alas. fprintf(fp, " n%ld [label=\"%s [in multiple phases]\" style=\"filled\" fillcolor=\"/accent8/%d\"];\n", (long)nodes[i], nodes[i]->effect->effect_type_id().c_str(), (in_phases[0] % 8) + 1); } char from_node_id[256]; snprintf(from_node_id, 256, "n%ld", (long)nodes[i]); for (unsigned j = 0; j < nodes[i]->outgoing_links.size(); ++j) { char to_node_id[256]; snprintf(to_node_id, 256, "n%ld", (long)nodes[i]->outgoing_links[j]); vector labels = get_labels_for_edge(nodes[i], nodes[i]->outgoing_links[j]); output_dot_edge(fp, from_node_id, to_node_id, labels); } if (nodes[i]->outgoing_links.empty() && !nodes[i]->disabled) { // Output node. vector labels = get_labels_for_edge(nodes[i], nullptr); output_dot_edge(fp, from_node_id, "output", labels); } } fprintf(fp, "}\n"); fclose(fp); } vector EffectChain::get_labels_for_edge(const Node *from, const Node *to) { vector labels; if (to != nullptr && to->effect->needs_texture_bounce()) { labels.push_back("needs_bounce"); } if (from->effect->changes_output_size()) { labels.push_back("resize"); } switch (from->output_color_space) { case COLORSPACE_INVALID: labels.push_back("spc[invalid]"); break; case COLORSPACE_REC_601_525: labels.push_back("spc[rec601-525]"); break; case COLORSPACE_REC_601_625: labels.push_back("spc[rec601-625]"); break; default: break; } switch (from->output_gamma_curve) { case GAMMA_INVALID: labels.push_back("gamma[invalid]"); break; case GAMMA_sRGB: labels.push_back("gamma[sRGB]"); break; case GAMMA_REC_601: // and GAMMA_REC_709 labels.push_back("gamma[rec601/709]"); break; default: break; } switch (from->output_alpha_type) { case ALPHA_INVALID: labels.push_back("alpha[invalid]"); break; case ALPHA_BLANK: labels.push_back("alpha[blank]"); break; case ALPHA_POSTMULTIPLIED: labels.push_back("alpha[postmult]"); break; default: break; } return labels; } void EffectChain::output_dot_edge(FILE *fp, const string &from_node_id, const string &to_node_id, const vector &labels) { if (labels.empty()) { fprintf(fp, " %s -> %s;\n", from_node_id.c_str(), to_node_id.c_str()); } else { string label = labels[0]; for (unsigned k = 1; k < labels.size(); ++k) { label += ", " + labels[k]; } fprintf(fp, " %s -> %s [label=\"%s\"];\n", from_node_id.c_str(), to_node_id.c_str(), label.c_str()); } } void EffectChain::size_rectangle_to_fit(unsigned width, unsigned height, unsigned *output_width, unsigned *output_height) { unsigned scaled_width, scaled_height; if (float(width) * aspect_denom >= float(height) * aspect_nom) { // Same aspect, or W/H > aspect (image is wider than the frame). // In either case, keep width, and adjust height. scaled_width = width; scaled_height = lrintf(width * aspect_denom / aspect_nom); } else { // W/H < aspect (image is taller than the frame), so keep height, // and adjust width. scaled_width = lrintf(height * aspect_nom / aspect_denom); scaled_height = height; } // We should be consistently larger or smaller then the existing choice, // since we have the same aspect. assert(!(scaled_width < *output_width && scaled_height > *output_height)); assert(!(scaled_height < *output_height && scaled_width > *output_width)); if (scaled_width >= *output_width && scaled_height >= *output_height) { *output_width = scaled_width; *output_height = scaled_height; } } // Propagate input texture sizes throughout, and inform effects downstream. // (Like a lot of other code, we depend on effects being in topological order.) void EffectChain::inform_input_sizes(Phase *phase) { // All effects that have a defined size (inputs and RTT inputs) // get that. Reset all others. for (unsigned i = 0; i < phase->effects.size(); ++i) { Node *node = phase->effects[i]; if (node->effect->num_inputs() == 0) { Input *input = static_cast(node->effect); node->output_width = input->get_width(); node->output_height = input->get_height(); assert(node->output_width != 0); assert(node->output_height != 0); } else { node->output_width = node->output_height = 0; } } for (unsigned i = 0; i < phase->inputs.size(); ++i) { Phase *input = phase->inputs[i]; input->output_node->output_width = input->virtual_output_width; input->output_node->output_height = input->virtual_output_height; assert(input->output_node->output_width != 0); assert(input->output_node->output_height != 0); } // Now propagate from the inputs towards the end, and inform as we go. // The rules are simple: // // 1. Don't touch effects that already have given sizes (ie., inputs // or effects that change the output size). // 2. If all of your inputs have the same size, that will be your output size. // 3. Otherwise, your output size is 0x0. for (unsigned i = 0; i < phase->effects.size(); ++i) { Node *node = phase->effects[i]; if (node->effect->num_inputs() == 0) { continue; } unsigned this_output_width = 0; unsigned this_output_height = 0; for (unsigned j = 0; j < node->incoming_links.size(); ++j) { Node *input = node->incoming_links[j]; node->effect->inform_input_size(j, input->output_width, input->output_height); if (j == 0) { this_output_width = input->output_width; this_output_height = input->output_height; } else if (input->output_width != this_output_width || input->output_height != this_output_height) { // Inputs disagree. this_output_width = 0; this_output_height = 0; } } if (node->effect->changes_output_size()) { // We cannot call get_output_size() before we've done inform_input_size() // on all inputs. unsigned real_width, real_height; node->effect->get_output_size(&real_width, &real_height, &node->output_width, &node->output_height); assert(node->effect->sets_virtual_output_size() || (real_width == node->output_width && real_height == node->output_height)); } else { node->output_width = this_output_width; node->output_height = this_output_height; } } } // Note: You should call inform_input_sizes() before this, as the last effect's // desired output size might change based on the inputs. void EffectChain::find_output_size(Phase *phase) { Node *output_node = phase->is_compute_shader ? phase->compute_shader_node : phase->effects.back(); // If the last effect explicitly sets an output size, use that. if (output_node->effect->changes_output_size()) { output_node->effect->get_output_size(&phase->output_width, &phase->output_height, &phase->virtual_output_width, &phase->virtual_output_height); assert(output_node->effect->sets_virtual_output_size() || (phase->output_width == phase->virtual_output_width && phase->output_height == phase->virtual_output_height)); return; } // If all effects have the same size, use that. unsigned output_width = 0, output_height = 0; bool all_inputs_same_size = true; for (unsigned i = 0; i < phase->inputs.size(); ++i) { Phase *input = phase->inputs[i]; assert(input->output_width != 0); assert(input->output_height != 0); if (output_width == 0 && output_height == 0) { output_width = input->virtual_output_width; output_height = input->virtual_output_height; } else if (output_width != input->virtual_output_width || output_height != input->virtual_output_height) { all_inputs_same_size = false; } } for (unsigned i = 0; i < phase->effects.size(); ++i) { Effect *effect = phase->effects[i]->effect; if (effect->num_inputs() != 0) { continue; } Input *input = static_cast(effect); if (output_width == 0 && output_height == 0) { output_width = input->get_width(); output_height = input->get_height(); } else if (output_width != input->get_width() || output_height != input->get_height()) { all_inputs_same_size = false; } } if (all_inputs_same_size) { assert(output_width != 0); assert(output_height != 0); phase->virtual_output_width = phase->output_width = output_width; phase->virtual_output_height = phase->output_height = output_height; return; } // If not, fit all the inputs into the current aspect, and select the largest one. output_width = 0; output_height = 0; for (unsigned i = 0; i < phase->inputs.size(); ++i) { Phase *input = phase->inputs[i]; assert(input->output_width != 0); assert(input->output_height != 0); size_rectangle_to_fit(input->output_width, input->output_height, &output_width, &output_height); } for (unsigned i = 0; i < phase->effects.size(); ++i) { Effect *effect = phase->effects[i]->effect; if (effect->num_inputs() != 0) { continue; } Input *input = static_cast(effect); size_rectangle_to_fit(input->get_width(), input->get_height(), &output_width, &output_height); } assert(output_width != 0); assert(output_height != 0); phase->virtual_output_width = phase->output_width = output_width; phase->virtual_output_height = phase->output_height = output_height; } void EffectChain::sort_all_nodes_topologically() { nodes = topological_sort(nodes); } vector EffectChain::topological_sort(const vector &nodes) { set nodes_left_to_visit(nodes.begin(), nodes.end()); vector sorted_list; for (unsigned i = 0; i < nodes.size(); ++i) { topological_sort_visit_node(nodes[i], &nodes_left_to_visit, &sorted_list); } reverse(sorted_list.begin(), sorted_list.end()); return sorted_list; } void EffectChain::topological_sort_visit_node(Node *node, set *nodes_left_to_visit, vector *sorted_list) { if (nodes_left_to_visit->count(node) == 0) { return; } nodes_left_to_visit->erase(node); for (unsigned i = 0; i < node->outgoing_links.size(); ++i) { topological_sort_visit_node(node->outgoing_links[i], nodes_left_to_visit, sorted_list); } sorted_list->push_back(node); } void EffectChain::find_color_spaces_for_inputs() { for (unsigned i = 0; i < nodes.size(); ++i) { Node *node = nodes[i]; if (node->disabled) { continue; } if (node->incoming_links.size() == 0) { Input *input = static_cast(node->effect); node->output_color_space = input->get_color_space(); node->output_gamma_curve = input->get_gamma_curve(); Effect::AlphaHandling alpha_handling = input->alpha_handling(); switch (alpha_handling) { case Effect::OUTPUT_BLANK_ALPHA: node->output_alpha_type = ALPHA_BLANK; break; case Effect::INPUT_AND_OUTPUT_PREMULTIPLIED_ALPHA: node->output_alpha_type = ALPHA_PREMULTIPLIED; break; case Effect::OUTPUT_POSTMULTIPLIED_ALPHA: node->output_alpha_type = ALPHA_POSTMULTIPLIED; break; case Effect::INPUT_PREMULTIPLIED_ALPHA_KEEP_BLANK: case Effect::DONT_CARE_ALPHA_TYPE: default: assert(false); } if (node->output_alpha_type == ALPHA_PREMULTIPLIED) { assert(node->output_gamma_curve == GAMMA_LINEAR); } } } } // Propagate gamma and color space information as far as we can in the graph. // The rules are simple: Anything where all the inputs agree, get that as // output as well. Anything else keeps having *_INVALID. void EffectChain::propagate_gamma_and_color_space() { // We depend on going through the nodes in order. sort_all_nodes_topologically(); for (unsigned i = 0; i < nodes.size(); ++i) { Node *node = nodes[i]; if (node->disabled) { continue; } assert(node->incoming_links.size() == node->effect->num_inputs()); if (node->incoming_links.size() == 0) { assert(node->output_color_space != COLORSPACE_INVALID); assert(node->output_gamma_curve != GAMMA_INVALID); continue; } Colorspace color_space = node->incoming_links[0]->output_color_space; GammaCurve gamma_curve = node->incoming_links[0]->output_gamma_curve; for (unsigned j = 1; j < node->incoming_links.size(); ++j) { if (node->incoming_links[j]->output_color_space != color_space) { color_space = COLORSPACE_INVALID; } if (node->incoming_links[j]->output_gamma_curve != gamma_curve) { gamma_curve = GAMMA_INVALID; } } // The conversion effects already have their outputs set correctly, // so leave them alone. if (node->effect->effect_type_id() != "ColorspaceConversionEffect") { node->output_color_space = color_space; } if (node->effect->effect_type_id() != "GammaCompressionEffect" && node->effect->effect_type_id() != "GammaExpansionEffect") { node->output_gamma_curve = gamma_curve; } } } // Propagate alpha information as far as we can in the graph. // Similar to propagate_gamma_and_color_space(). void EffectChain::propagate_alpha() { // We depend on going through the nodes in order. sort_all_nodes_topologically(); for (unsigned i = 0; i < nodes.size(); ++i) { Node *node = nodes[i]; if (node->disabled) { continue; } assert(node->incoming_links.size() == node->effect->num_inputs()); if (node->incoming_links.size() == 0) { assert(node->output_alpha_type != ALPHA_INVALID); continue; } // The alpha multiplication/division effects are special cases. if (node->effect->effect_type_id() == "AlphaMultiplicationEffect") { assert(node->incoming_links.size() == 1); assert(node->incoming_links[0]->output_alpha_type == ALPHA_POSTMULTIPLIED); node->output_alpha_type = ALPHA_PREMULTIPLIED; continue; } if (node->effect->effect_type_id() == "AlphaDivisionEffect") { assert(node->incoming_links.size() == 1); assert(node->incoming_links[0]->output_alpha_type == ALPHA_PREMULTIPLIED); node->output_alpha_type = ALPHA_POSTMULTIPLIED; continue; } // GammaCompressionEffect and GammaExpansionEffect are also a special case, // because they are the only one that _need_ postmultiplied alpha. if (node->effect->effect_type_id() == "GammaCompressionEffect" || node->effect->effect_type_id() == "GammaExpansionEffect") { assert(node->incoming_links.size() == 1); if (node->incoming_links[0]->output_alpha_type == ALPHA_BLANK) { node->output_alpha_type = ALPHA_BLANK; } else if (node->incoming_links[0]->output_alpha_type == ALPHA_POSTMULTIPLIED) { node->output_alpha_type = ALPHA_POSTMULTIPLIED; } else { node->output_alpha_type = ALPHA_INVALID; } continue; } // Only inputs can have unconditional alpha output (OUTPUT_BLANK_ALPHA // or OUTPUT_POSTMULTIPLIED_ALPHA), and they have already been // taken care of above. Rationale: Even if you could imagine // e.g. an effect that took in an image and set alpha=1.0 // unconditionally, it wouldn't make any sense to have it as // e.g. OUTPUT_BLANK_ALPHA, since it wouldn't know whether it // got its input pre- or postmultiplied, so it wouldn't know // whether to divide away the old alpha or not. Effect::AlphaHandling alpha_handling = node->effect->alpha_handling(); assert(alpha_handling == Effect::INPUT_AND_OUTPUT_PREMULTIPLIED_ALPHA || alpha_handling == Effect::INPUT_PREMULTIPLIED_ALPHA_KEEP_BLANK || alpha_handling == Effect::DONT_CARE_ALPHA_TYPE); // If the node has multiple inputs, check that they are all valid and // the same. bool any_invalid = false; bool any_premultiplied = false; bool any_postmultiplied = false; for (unsigned j = 0; j < node->incoming_links.size(); ++j) { switch (node->incoming_links[j]->output_alpha_type) { case ALPHA_INVALID: any_invalid = true; break; case ALPHA_BLANK: // Blank is good as both pre- and postmultiplied alpha, // so just ignore it. break; case ALPHA_PREMULTIPLIED: any_premultiplied = true; break; case ALPHA_POSTMULTIPLIED: any_postmultiplied = true; break; default: assert(false); } } if (any_invalid) { node->output_alpha_type = ALPHA_INVALID; continue; } // Inputs must be of the same type. if (any_premultiplied && any_postmultiplied) { node->output_alpha_type = ALPHA_INVALID; continue; } if (alpha_handling == Effect::INPUT_AND_OUTPUT_PREMULTIPLIED_ALPHA || alpha_handling == Effect::INPUT_PREMULTIPLIED_ALPHA_KEEP_BLANK) { // This combination (requiring premultiplied alpha, but _not_ requiring // linear light) is illegal, since the combination of premultiplied alpha // and nonlinear inputs is meaningless. assert(node->effect->needs_linear_light()); // If the effect has asked for premultiplied alpha, check that it has got it. if (any_postmultiplied) { node->output_alpha_type = ALPHA_INVALID; } else if (!any_premultiplied && alpha_handling == Effect::INPUT_PREMULTIPLIED_ALPHA_KEEP_BLANK) { // Blank input alpha, and the effect preserves blank alpha. node->output_alpha_type = ALPHA_BLANK; } else { node->output_alpha_type = ALPHA_PREMULTIPLIED; } } else { // OK, all inputs are the same, and this effect is not going // to change it. assert(alpha_handling == Effect::DONT_CARE_ALPHA_TYPE); if (any_premultiplied) { node->output_alpha_type = ALPHA_PREMULTIPLIED; } else if (any_postmultiplied) { node->output_alpha_type = ALPHA_POSTMULTIPLIED; } else { node->output_alpha_type = ALPHA_BLANK; } } } } bool EffectChain::node_needs_colorspace_fix(Node *node) { if (node->disabled) { return false; } if (node->effect->num_inputs() == 0) { return false; } // propagate_gamma_and_color_space() has already set our output // to COLORSPACE_INVALID if the inputs differ, so we can rely on that. if (node->output_color_space == COLORSPACE_INVALID) { return true; } return (node->effect->needs_srgb_primaries() && node->output_color_space != COLORSPACE_sRGB); } // Fix up color spaces so that there are no COLORSPACE_INVALID nodes left in // the graph. Our strategy is not always optimal, but quite simple: // Find an effect that's as early as possible where the inputs are of // unacceptable colorspaces (that is, either different, or, if the effect only // wants sRGB, not sRGB.) Add appropriate conversions on all its inputs, // propagate the information anew, and repeat until there are no more such // effects. void EffectChain::fix_internal_color_spaces() { unsigned colorspace_propagation_pass = 0; bool found_any; do { found_any = false; for (unsigned i = 0; i < nodes.size(); ++i) { Node *node = nodes[i]; if (!node_needs_colorspace_fix(node)) { continue; } // Go through each input that is not sRGB, and insert // a colorspace conversion after it. for (unsigned j = 0; j < node->incoming_links.size(); ++j) { Node *input = node->incoming_links[j]; assert(input->output_color_space != COLORSPACE_INVALID); if (input->output_color_space == COLORSPACE_sRGB) { continue; } Node *conversion = add_node(new ColorspaceConversionEffect()); CHECK(conversion->effect->set_int("source_space", input->output_color_space)); CHECK(conversion->effect->set_int("destination_space", COLORSPACE_sRGB)); conversion->output_color_space = COLORSPACE_sRGB; replace_sender(input, conversion); connect_nodes(input, conversion); } // Re-sort topologically, and propagate the new information. propagate_gamma_and_color_space(); found_any = true; break; } char filename[256]; sprintf(filename, "step5-colorspacefix-iter%u.dot", ++colorspace_propagation_pass); output_dot(filename); assert(colorspace_propagation_pass < 100); } while (found_any); for (unsigned i = 0; i < nodes.size(); ++i) { Node *node = nodes[i]; if (node->disabled) { continue; } assert(node->output_color_space != COLORSPACE_INVALID); } } bool EffectChain::node_needs_alpha_fix(Node *node) { if (node->disabled) { return false; } // propagate_alpha() has already set our output to ALPHA_INVALID if the // inputs differ or we are otherwise in mismatch, so we can rely on that. return (node->output_alpha_type == ALPHA_INVALID); } // Fix up alpha so that there are no ALPHA_INVALID nodes left in // the graph. Similar to fix_internal_color_spaces(). void EffectChain::fix_internal_alpha(unsigned step) { unsigned alpha_propagation_pass = 0; bool found_any; do { found_any = false; for (unsigned i = 0; i < nodes.size(); ++i) { Node *node = nodes[i]; if (!node_needs_alpha_fix(node)) { continue; } // If we need to fix up GammaExpansionEffect, then clearly something // is wrong, since the combination of premultiplied alpha and nonlinear inputs // is meaningless. assert(node->effect->effect_type_id() != "GammaExpansionEffect"); AlphaType desired_type = ALPHA_PREMULTIPLIED; // GammaCompressionEffect is special; it needs postmultiplied alpha. if (node->effect->effect_type_id() == "GammaCompressionEffect") { assert(node->incoming_links.size() == 1); assert(node->incoming_links[0]->output_alpha_type == ALPHA_PREMULTIPLIED); desired_type = ALPHA_POSTMULTIPLIED; } // Go through each input that is not premultiplied alpha, and insert // a conversion before it. for (unsigned j = 0; j < node->incoming_links.size(); ++j) { Node *input = node->incoming_links[j]; assert(input->output_alpha_type != ALPHA_INVALID); if (input->output_alpha_type == desired_type || input->output_alpha_type == ALPHA_BLANK) { continue; } Node *conversion; if (desired_type == ALPHA_PREMULTIPLIED) { conversion = add_node(new AlphaMultiplicationEffect()); } else { conversion = add_node(new AlphaDivisionEffect()); } conversion->output_alpha_type = desired_type; replace_sender(input, conversion); connect_nodes(input, conversion); } // Re-sort topologically, and propagate the new information. propagate_gamma_and_color_space(); propagate_alpha(); found_any = true; break; } char filename[256]; sprintf(filename, "step%u-alphafix-iter%u.dot", step, ++alpha_propagation_pass); output_dot(filename); assert(alpha_propagation_pass < 100); } while (found_any); for (unsigned i = 0; i < nodes.size(); ++i) { Node *node = nodes[i]; if (node->disabled) { continue; } assert(node->output_alpha_type != ALPHA_INVALID); } } // Make so that the output is in the desired color space. void EffectChain::fix_output_color_space() { Node *output = find_output_node(); if (output->output_color_space != output_format.color_space) { Node *conversion = add_node(new ColorspaceConversionEffect()); CHECK(conversion->effect->set_int("source_space", output->output_color_space)); CHECK(conversion->effect->set_int("destination_space", output_format.color_space)); conversion->output_color_space = output_format.color_space; connect_nodes(output, conversion); propagate_alpha(); propagate_gamma_and_color_space(); } } // Make so that the output is in the desired pre-/postmultiplication alpha state. void EffectChain::fix_output_alpha() { Node *output = find_output_node(); assert(output->output_alpha_type != ALPHA_INVALID); if (output->output_alpha_type == ALPHA_BLANK) { // No alpha output, so we don't care. return; } if (output->output_alpha_type == ALPHA_PREMULTIPLIED && output_alpha_format == OUTPUT_ALPHA_FORMAT_POSTMULTIPLIED) { Node *conversion = add_node(new AlphaDivisionEffect()); connect_nodes(output, conversion); propagate_alpha(); propagate_gamma_and_color_space(); } if (output->output_alpha_type == ALPHA_POSTMULTIPLIED && output_alpha_format == OUTPUT_ALPHA_FORMAT_PREMULTIPLIED) { Node *conversion = add_node(new AlphaMultiplicationEffect()); connect_nodes(output, conversion); propagate_alpha(); propagate_gamma_and_color_space(); } } bool EffectChain::node_needs_gamma_fix(Node *node) { if (node->disabled) { return false; } // Small hack since the output is not an explicit node: // If we are the last node and our output is in the wrong // space compared to EffectChain's output, we need to fix it. // This will only take us to linear, but fix_output_gamma() // will come and take us to the desired output gamma // if it is needed. // // This needs to be before everything else, since it could // even apply to inputs (if they are the only effect). if (node->outgoing_links.empty() && node->output_gamma_curve != output_format.gamma_curve && node->output_gamma_curve != GAMMA_LINEAR) { return true; } if (node->effect->num_inputs() == 0) { return false; } // propagate_gamma_and_color_space() has already set our output // to GAMMA_INVALID if the inputs differ, so we can rely on that, // except for GammaCompressionEffect. if (node->output_gamma_curve == GAMMA_INVALID) { return true; } if (node->effect->effect_type_id() == "GammaCompressionEffect") { assert(node->incoming_links.size() == 1); return node->incoming_links[0]->output_gamma_curve != GAMMA_LINEAR; } return (node->effect->needs_linear_light() && node->output_gamma_curve != GAMMA_LINEAR); } // Very similar to fix_internal_color_spaces(), but for gamma. // There is one difference, though; before we start adding conversion nodes, // we see if we can get anything out of asking the sources to deliver // linear gamma directly. fix_internal_gamma_by_asking_inputs() // does that part, while fix_internal_gamma_by_inserting_nodes() // inserts nodes as needed afterwards. void EffectChain::fix_internal_gamma_by_asking_inputs(unsigned step) { unsigned gamma_propagation_pass = 0; bool found_any; do { found_any = false; for (unsigned i = 0; i < nodes.size(); ++i) { Node *node = nodes[i]; if (!node_needs_gamma_fix(node)) { continue; } // See if all inputs can give us linear gamma. If not, leave it. vector nonlinear_inputs; find_all_nonlinear_inputs(node, &nonlinear_inputs); assert(!nonlinear_inputs.empty()); bool all_ok = true; for (unsigned i = 0; i < nonlinear_inputs.size(); ++i) { Input *input = static_cast(nonlinear_inputs[i]->effect); all_ok &= input->can_output_linear_gamma(); } if (!all_ok) { continue; } for (unsigned i = 0; i < nonlinear_inputs.size(); ++i) { CHECK(nonlinear_inputs[i]->effect->set_int("output_linear_gamma", 1)); nonlinear_inputs[i]->output_gamma_curve = GAMMA_LINEAR; } // Re-sort topologically, and propagate the new information. propagate_gamma_and_color_space(); found_any = true; break; } char filename[256]; sprintf(filename, "step%u-gammafix-iter%u.dot", step, ++gamma_propagation_pass); output_dot(filename); assert(gamma_propagation_pass < 100); } while (found_any); } void EffectChain::fix_internal_gamma_by_inserting_nodes(unsigned step) { unsigned gamma_propagation_pass = 0; bool found_any; do { found_any = false; for (unsigned i = 0; i < nodes.size(); ++i) { Node *node = nodes[i]; if (!node_needs_gamma_fix(node)) { continue; } // Special case: We could be an input and still be asked to // fix our gamma; if so, we should be the only node // (as node_needs_gamma_fix() would only return true in // for an input in that case). That means we should insert // a conversion node _after_ ourselves. if (node->incoming_links.empty()) { assert(node->outgoing_links.empty()); Node *conversion = add_node(new GammaExpansionEffect()); CHECK(conversion->effect->set_int("source_curve", node->output_gamma_curve)); conversion->output_gamma_curve = GAMMA_LINEAR; connect_nodes(node, conversion); } // If not, go through each input that is not linear gamma, // and insert a gamma conversion after it. for (unsigned j = 0; j < node->incoming_links.size(); ++j) { Node *input = node->incoming_links[j]; assert(input->output_gamma_curve != GAMMA_INVALID); if (input->output_gamma_curve == GAMMA_LINEAR) { continue; } Node *conversion = add_node(new GammaExpansionEffect()); CHECK(conversion->effect->set_int("source_curve", input->output_gamma_curve)); conversion->output_gamma_curve = GAMMA_LINEAR; replace_sender(input, conversion); connect_nodes(input, conversion); } // Re-sort topologically, and propagate the new information. propagate_alpha(); propagate_gamma_and_color_space(); found_any = true; break; } char filename[256]; sprintf(filename, "step%u-gammafix-iter%u.dot", step, ++gamma_propagation_pass); output_dot(filename); assert(gamma_propagation_pass < 100); } while (found_any); for (unsigned i = 0; i < nodes.size(); ++i) { Node *node = nodes[i]; if (node->disabled) { continue; } assert(node->output_gamma_curve != GAMMA_INVALID); } } // Make so that the output is in the desired gamma. // Note that this assumes linear input gamma, so it might create the need // for another pass of fix_internal_gamma(). void EffectChain::fix_output_gamma() { Node *output = find_output_node(); if (output->output_gamma_curve != output_format.gamma_curve) { Node *conversion = add_node(new GammaCompressionEffect()); CHECK(conversion->effect->set_int("destination_curve", output_format.gamma_curve)); conversion->output_gamma_curve = output_format.gamma_curve; connect_nodes(output, conversion); } } // If the user has requested Y'CbCr output, we need to do this conversion // _after_ GammaCompressionEffect etc., but before dither (see below). // This is because Y'CbCr, with the exception of a special optional mode // in Rec. 2020 (which we currently don't support), is defined to work on // gamma-encoded data. void EffectChain::add_ycbcr_conversion_if_needed() { assert(output_color_rgba || num_output_color_ycbcr > 0); if (num_output_color_ycbcr == 0) { return; } Node *output = find_output_node(); ycbcr_conversion_effect_node = add_node(new YCbCrConversionEffect(output_ycbcr_format, output_ycbcr_type)); connect_nodes(output, ycbcr_conversion_effect_node); } // If the user has requested dither, add a DitherEffect right at the end // (after GammaCompressionEffect etc.). This needs to be done after everything else, // since dither is about the only effect that can _not_ be done in linear space. void EffectChain::add_dither_if_needed() { if (num_dither_bits == 0) { return; } Node *output = find_output_node(); Node *dither = add_node(new DitherEffect()); CHECK(dither->effect->set_int("num_bits", num_dither_bits)); connect_nodes(output, dither); dither_effect = dither->effect; } namespace { // Whether this effect will cause the phase it is in to become a compute shader phase. bool induces_compute_shader(Node *node) { if (node->effect->is_compute_shader()) { return true; } if (!node->effect->strong_one_to_one_sampling()) { // This effect can't be chained after a compute shader. return false; } // If at least one of the effects we depend on is a compute shader, // one of them will be put in the same phase as us (the other ones, // if any, will be bounced). for (Node *dep : node->incoming_links) { if (induces_compute_shader(dep)) { return true; } } return false; } } // namespace // Compute shaders can't output to the framebuffer, so if the last // phase ends in a compute shader, add a dummy phase at the end that // only blits directly from the temporary texture. void EffectChain::add_dummy_effect_if_needed() { Node *output = find_output_node(); if (induces_compute_shader(output)) { Node *dummy = add_node(new ComputeShaderOutputDisplayEffect()); connect_nodes(output, dummy); has_dummy_effect = true; } } // Find the output node. This is, simply, one that has no outgoing links. // If there are multiple ones, the graph is malformed (we do not support // multiple outputs right now). Node *EffectChain::find_output_node() { vector output_nodes; for (unsigned i = 0; i < nodes.size(); ++i) { Node *node = nodes[i]; if (node->disabled) { continue; } if (node->outgoing_links.empty()) { output_nodes.push_back(node); } } assert(output_nodes.size() == 1); return output_nodes[0]; } void EffectChain::finalize() { // Output the graph as it is before we do any conversions on it. output_dot("step0-start.dot"); // Give each effect in turn a chance to rewrite its own part of the graph. // Note that if more effects are added as part of this, they will be // picked up as part of the same for loop, since they are added at the end. for (unsigned i = 0; i < nodes.size(); ++i) { nodes[i]->effect->rewrite_graph(this, nodes[i]); } output_dot("step1-rewritten.dot"); find_color_spaces_for_inputs(); output_dot("step2-input-colorspace.dot"); propagate_alpha(); output_dot("step3-propagated-alpha.dot"); propagate_gamma_and_color_space(); output_dot("step4-propagated-all.dot"); fix_internal_color_spaces(); fix_internal_alpha(6); fix_output_color_space(); output_dot("step7-output-colorspacefix.dot"); fix_output_alpha(); output_dot("step8-output-alphafix.dot"); // Note that we need to fix gamma after colorspace conversion, // because colorspace conversions might create needs for gamma conversions. // Also, we need to run an extra pass of fix_internal_gamma() after // fixing the output gamma, as we only have conversions to/from linear, // and fix_internal_alpha() since GammaCompressionEffect needs // postmultiplied input. fix_internal_gamma_by_asking_inputs(9); fix_internal_gamma_by_inserting_nodes(10); fix_output_gamma(); output_dot("step11-output-gammafix.dot"); propagate_alpha(); output_dot("step12-output-alpha-propagated.dot"); fix_internal_alpha(13); output_dot("step14-output-alpha-fixed.dot"); fix_internal_gamma_by_asking_inputs(15); fix_internal_gamma_by_inserting_nodes(16); output_dot("step17-before-ycbcr.dot"); add_ycbcr_conversion_if_needed(); output_dot("step18-before-dither.dot"); add_dither_if_needed(); output_dot("step19-before-dummy-effect.dot"); add_dummy_effect_if_needed(); output_dot("step20-final.dot"); // Construct all needed GLSL programs, starting at the output. // We need to keep track of which effects have already been computed, // as an effect with multiple users could otherwise be calculated // multiple times. map completed_effects; construct_phase(find_output_node(), &completed_effects); output_dot("step21-split-to-phases.dot"); // There are some corner cases where we thought we needed to add a dummy // effect, but then it turned out later we didn't (e.g. induces_compute_shader() // didn't see a mipmap conflict coming, which would cause the compute shader // to be split off from the inal phase); if so, remove the extra phase // at the end, since it will give us some trouble during execution. // // TODO: Remove induces_compute_shader() and replace it with precise tracking. if (has_dummy_effect && !phases[phases.size() - 2]->is_compute_shader) { resource_pool->release_glsl_program(phases.back()->glsl_program_num); delete phases.back(); phases.pop_back(); has_dummy_effect = false; } output_dot("step22-dummy-phase-removal.dot"); assert(phases[0]->inputs.empty()); finalized = true; } void EffectChain::render_to_fbo(GLuint dest_fbo, unsigned width, unsigned height) { // Save original viewport. GLuint x = 0, y = 0; if (width == 0 && height == 0) { GLint viewport[4]; glGetIntegerv(GL_VIEWPORT, viewport); x = viewport[0]; y = viewport[1]; width = viewport[2]; height = viewport[3]; } render(dest_fbo, {}, x, y, width, height); } void EffectChain::render_to_texture(const vector &destinations, unsigned width, unsigned height) { assert(finalized); assert(!destinations.empty()); if (!has_dummy_effect) { // We don't end in a compute shader, so there's nothing specific for us to do. // Create an FBO for this set of textures, and just render to that. GLuint texnums[4] = { 0, 0, 0, 0 }; for (unsigned i = 0; i < destinations.size() && i < 4; ++i) { texnums[i] = destinations[i].texnum; } GLuint dest_fbo = resource_pool->create_fbo(texnums[0], texnums[1], texnums[2], texnums[3]); render(dest_fbo, {}, 0, 0, width, height); resource_pool->release_fbo(dest_fbo); } else { render((GLuint)-1, destinations, 0, 0, width, height); } } void EffectChain::render(GLuint dest_fbo, const vector &destinations, unsigned x, unsigned y, unsigned width, unsigned height) { assert(finalized); assert(destinations.size() <= 1); // This needs to be set anew, in case we are coming from a different context // from when we initialized. check_error(); glDisable(GL_DITHER); check_error(); const bool final_srgb = glIsEnabled(GL_FRAMEBUFFER_SRGB); check_error(); bool current_srgb = final_srgb; // Basic state. check_error(); glDisable(GL_BLEND); check_error(); glDisable(GL_DEPTH_TEST); check_error(); glDepthMask(GL_FALSE); check_error(); set generated_mipmaps; // We keep one texture per output, but only for as long as we actually have any // phases that need it as an input. (We don't make any effort to reorder phases // to minimize the number of textures in play, as register allocation can be // complicated and we rarely have much to gain, since our graphs are typically // pretty linear.) map output_textures; map ref_counts; for (Phase *phase : phases) { for (Phase *input : phase->inputs) { ++ref_counts[input]; } } size_t num_phases = phases.size(); if (destinations.empty()) { assert(dest_fbo != (GLuint)-1); } else { assert(has_dummy_effect); assert(x == 0); assert(y == 0); assert(num_phases >= 2); assert(!phases.back()->is_compute_shader); assert(phases[phases.size() - 2]->is_compute_shader); assert(phases.back()->effects.size() == 1); assert(phases.back()->effects[0]->effect->effect_type_id() == "ComputeShaderOutputDisplayEffect"); // We are rendering to a set of textures, so we can run the compute shader // directly and skip the dummy phase. --num_phases; } for (unsigned phase_num = 0; phase_num < num_phases; ++phase_num) { Phase *phase = phases[phase_num]; if (do_phase_timing) { GLuint timer_query_object; if (phase->timer_query_objects_free.empty()) { glGenQueries(1, &timer_query_object); } else { timer_query_object = phase->timer_query_objects_free.front(); phase->timer_query_objects_free.pop_front(); } glBeginQuery(GL_TIME_ELAPSED, timer_query_object); phase->timer_query_objects_running.push_back(timer_query_object); } bool last_phase = (phase_num == num_phases - 1); if (last_phase) { // Last phase goes to the output the user specified. if (!phase->is_compute_shader) { assert(dest_fbo != (GLuint)-1); glBindFramebuffer(GL_FRAMEBUFFER, dest_fbo); check_error(); GLenum status = glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT); assert(status == GL_FRAMEBUFFER_COMPLETE); glViewport(x, y, width, height); } if (dither_effect != nullptr) { CHECK(dither_effect->set_int("output_width", width)); CHECK(dither_effect->set_int("output_height", height)); } } // Enable sRGB rendering for intermediates in case we are // rendering to an sRGB format. // TODO: Support this for compute shaders. bool needs_srgb = last_phase ? final_srgb : true; if (needs_srgb && !current_srgb) { glEnable(GL_FRAMEBUFFER_SRGB); check_error(); current_srgb = true; } else if (!needs_srgb && current_srgb) { glDisable(GL_FRAMEBUFFER_SRGB); check_error(); current_srgb = true; } // Find a texture for this phase. inform_input_sizes(phase); find_output_size(phase); vector phase_destinations; if (!last_phase) { GLuint tex_num = resource_pool->create_2d_texture(intermediate_format, phase->output_width, phase->output_height); output_textures.insert(make_pair(phase, tex_num)); phase_destinations.push_back(DestinationTexture{ tex_num, intermediate_format }); // The output texture needs to have valid state to be written to by a compute shader. glActiveTexture(GL_TEXTURE0); check_error(); glBindTexture(GL_TEXTURE_2D, tex_num); check_error(); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); check_error(); } else if (phase->is_compute_shader) { assert(!destinations.empty()); phase_destinations = destinations; } execute_phase(phase, output_textures, phase_destinations, &generated_mipmaps); if (do_phase_timing) { glEndQuery(GL_TIME_ELAPSED); } // Drop any input textures we don't need anymore. for (Phase *input : phase->inputs) { assert(ref_counts[input] > 0); if (--ref_counts[input] == 0) { resource_pool->release_2d_texture(output_textures[input]); output_textures.erase(input); } } } for (const auto &phase_and_texnum : output_textures) { resource_pool->release_2d_texture(phase_and_texnum.second); } glBindFramebuffer(GL_FRAMEBUFFER, 0); check_error(); glUseProgram(0); check_error(); glBindBuffer(GL_ARRAY_BUFFER, 0); check_error(); glBindVertexArray(0); check_error(); if (do_phase_timing) { // Get back the timer queries. for (unsigned phase_num = 0; phase_num < phases.size(); ++phase_num) { Phase *phase = phases[phase_num]; for (auto timer_it = phase->timer_query_objects_running.cbegin(); timer_it != phase->timer_query_objects_running.cend(); ) { GLint timer_query_object = *timer_it; GLint available; glGetQueryObjectiv(timer_query_object, GL_QUERY_RESULT_AVAILABLE, &available); if (available) { GLuint64 time_elapsed; glGetQueryObjectui64v(timer_query_object, GL_QUERY_RESULT, &time_elapsed); phase->time_elapsed_ns += time_elapsed; ++phase->num_measured_iterations; phase->timer_query_objects_free.push_back(timer_query_object); phase->timer_query_objects_running.erase(timer_it++); } else { ++timer_it; } } } } } void EffectChain::enable_phase_timing(bool enable) { if (enable) { assert(movit_timer_queries_supported); } this->do_phase_timing = enable; } void EffectChain::reset_phase_timing() { for (unsigned phase_num = 0; phase_num < phases.size(); ++phase_num) { Phase *phase = phases[phase_num]; phase->time_elapsed_ns = 0; phase->num_measured_iterations = 0; } } void EffectChain::print_phase_timing() { double total_time_ms = 0.0; for (unsigned phase_num = 0; phase_num < phases.size(); ++phase_num) { Phase *phase = phases[phase_num]; double avg_time_ms = phase->time_elapsed_ns * 1e-6 / phase->num_measured_iterations; printf("Phase %d: %5.1f ms [", phase_num, avg_time_ms); for (unsigned effect_num = 0; effect_num < phase->effects.size(); ++effect_num) { if (effect_num != 0) { printf(", "); } printf("%s", phase->effects[effect_num]->effect->effect_type_id().c_str()); } printf("]\n"); total_time_ms += avg_time_ms; } printf("Total: %5.1f ms\n", total_time_ms); } void EffectChain::execute_phase(Phase *phase, const map &output_textures, const vector &destinations, set *generated_mipmaps) { // Set up RTT inputs for this phase. for (unsigned sampler = 0; sampler < phase->inputs.size(); ++sampler) { glActiveTexture(GL_TEXTURE0 + sampler); Phase *input = phase->inputs[sampler]; input->output_node->bound_sampler_num = sampler; const auto it = output_textures.find(input); assert(it != output_textures.end()); glBindTexture(GL_TEXTURE_2D, it->second); check_error(); // See if anything using this RTT input (in this phase) needs mipmaps. // TODO: It could be that we get conflicting logic here, if we have // multiple effects with incompatible mipmaps using the same // RTT input. However, that is obscure enough that we can deal // with it at some future point (preferably when we have // universal support for separate sampler objects!). For now, // an assert is good enough. See also the TODO at bound_sampler_num. bool any_needs_mipmaps = false, any_refuses_mipmaps = false; for (Node *node : phase->effects) { assert(node->incoming_links.size() == node->incoming_link_type.size()); for (size_t i = 0; i < node->incoming_links.size(); ++i) { if (node->incoming_links[i] == input->output_node && node->incoming_link_type[i] == IN_ANOTHER_PHASE) { if (node->needs_mipmaps == Effect::NEEDS_MIPMAPS) { any_needs_mipmaps = true; } else if (node->needs_mipmaps == Effect::CANNOT_ACCEPT_MIPMAPS) { any_refuses_mipmaps = true; } } } } assert(!(any_needs_mipmaps && any_refuses_mipmaps)); if (any_needs_mipmaps && generated_mipmaps->count(input) == 0) { glGenerateMipmap(GL_TEXTURE_2D); check_error(); generated_mipmaps->insert(input); } setup_rtt_sampler(sampler, any_needs_mipmaps); phase->input_samplers[sampler] = sampler; // Bind the sampler to the right uniform. } GLuint instance_program_num = resource_pool->use_glsl_program(phase->glsl_program_num); check_error(); // And now the output. GLuint fbo = 0; if (phase->is_compute_shader) { assert(!destinations.empty()); // This is currently the only place where we use image units, // so we can always start at 0. TODO: Support multiple destinations. phase->outbuf_image_unit = 0; glBindImageTexture(phase->outbuf_image_unit, destinations[0].texnum, 0, GL_FALSE, 0, GL_WRITE_ONLY, destinations[0].format); check_error(); phase->uniform_output_size[0] = phase->output_width; phase->uniform_output_size[1] = phase->output_height; phase->inv_output_size.x = 1.0f / phase->output_width; phase->inv_output_size.y = 1.0f / phase->output_height; phase->output_texcoord_adjust.x = 0.5f / phase->output_width; phase->output_texcoord_adjust.y = 0.5f / phase->output_height; } else if (!destinations.empty()) { assert(destinations.size() == 1); fbo = resource_pool->create_fbo(destinations[0].texnum); glBindFramebuffer(GL_FRAMEBUFFER, fbo); glViewport(0, 0, phase->output_width, phase->output_height); } // Give the required parameters to all the effects. unsigned sampler_num = phase->inputs.size(); for (unsigned i = 0; i < phase->effects.size(); ++i) { Node *node = phase->effects[i]; unsigned old_sampler_num = sampler_num; node->effect->set_gl_state(instance_program_num, phase->effect_ids[make_pair(node, IN_SAME_PHASE)], &sampler_num); check_error(); if (node->effect->is_single_texture()) { assert(sampler_num - old_sampler_num == 1); node->bound_sampler_num = old_sampler_num; } else { node->bound_sampler_num = -1; } } if (phase->is_compute_shader) { unsigned x, y, z; phase->compute_shader_node->effect->get_compute_dimensions(phase->output_width, phase->output_height, &x, &y, &z); // Uniforms need to come after set_gl_state() _and_ get_compute_dimensions(), // since they can be updated from there. setup_uniforms(phase); glDispatchCompute(x, y, z); check_error(); glMemoryBarrier(GL_TEXTURE_FETCH_BARRIER_BIT | GL_TEXTURE_UPDATE_BARRIER_BIT); check_error(); } else { // Uniforms need to come after set_gl_state(), since they can be updated // from there. setup_uniforms(phase); // Bind the vertex data. GLuint vao = resource_pool->create_vec2_vao(phase->attribute_indexes, vbo); glBindVertexArray(vao); glDrawArrays(GL_TRIANGLES, 0, 3); check_error(); resource_pool->release_vec2_vao(vao); } for (unsigned i = 0; i < phase->effects.size(); ++i) { Node *node = phase->effects[i]; node->effect->clear_gl_state(); } resource_pool->unuse_glsl_program(instance_program_num); if (fbo != 0) { resource_pool->release_fbo(fbo); } } void EffectChain::setup_uniforms(Phase *phase) { // TODO: Use UBO blocks. for (size_t i = 0; i < phase->uniforms_image2d.size(); ++i) { const Uniform &uniform = phase->uniforms_image2d[i]; if (uniform.location != -1) { glUniform1iv(uniform.location, uniform.num_values, uniform.value); } } for (size_t i = 0; i < phase->uniforms_sampler2d.size(); ++i) { const Uniform &uniform = phase->uniforms_sampler2d[i]; if (uniform.location != -1) { glUniform1iv(uniform.location, uniform.num_values, uniform.value); } } for (size_t i = 0; i < phase->uniforms_bool.size(); ++i) { const Uniform &uniform = phase->uniforms_bool[i]; assert(uniform.num_values == 1); if (uniform.location != -1) { glUniform1i(uniform.location, *uniform.value); } } for (size_t i = 0; i < phase->uniforms_int.size(); ++i) { const Uniform &uniform = phase->uniforms_int[i]; if (uniform.location != -1) { glUniform1iv(uniform.location, uniform.num_values, uniform.value); } } for (size_t i = 0; i < phase->uniforms_ivec2.size(); ++i) { const Uniform &uniform = phase->uniforms_ivec2[i]; if (uniform.location != -1) { glUniform2iv(uniform.location, uniform.num_values, uniform.value); } } for (size_t i = 0; i < phase->uniforms_float.size(); ++i) { const Uniform &uniform = phase->uniforms_float[i]; if (uniform.location != -1) { glUniform1fv(uniform.location, uniform.num_values, uniform.value); } } for (size_t i = 0; i < phase->uniforms_vec2.size(); ++i) { const Uniform &uniform = phase->uniforms_vec2[i]; if (uniform.location != -1) { glUniform2fv(uniform.location, uniform.num_values, uniform.value); } } for (size_t i = 0; i < phase->uniforms_vec3.size(); ++i) { const Uniform &uniform = phase->uniforms_vec3[i]; if (uniform.location != -1) { glUniform3fv(uniform.location, uniform.num_values, uniform.value); } } for (size_t i = 0; i < phase->uniforms_vec4.size(); ++i) { const Uniform &uniform = phase->uniforms_vec4[i]; if (uniform.location != -1) { glUniform4fv(uniform.location, uniform.num_values, uniform.value); } } for (size_t i = 0; i < phase->uniforms_mat3.size(); ++i) { const Uniform &uniform = phase->uniforms_mat3[i]; assert(uniform.num_values == 1); if (uniform.location != -1) { // Convert to float (GLSL has no double matrices). float matrixf[9]; for (unsigned y = 0; y < 3; ++y) { for (unsigned x = 0; x < 3; ++x) { matrixf[y + x * 3] = (*uniform.value)(y, x); } } glUniformMatrix3fv(uniform.location, 1, GL_FALSE, matrixf); } } } void EffectChain::setup_rtt_sampler(int sampler_num, bool use_mipmaps) { glActiveTexture(GL_TEXTURE0 + sampler_num); check_error(); if (use_mipmaps) { glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_NEAREST); check_error(); } else { glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); check_error(); } glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); check_error(); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); check_error(); } } // namespace movit movit-1.7.1/init.cpp0000644000175000017500000003047214462263704013371 0ustar sessesesse#include #include #include #include #include #include "init.h" #include "resource_pool.h" #include "util.h" using namespace std; namespace movit { bool movit_initialized = false; MovitDebugLevel movit_debug_level = MOVIT_DEBUG_ON; float movit_texel_subpixel_precision; bool movit_timer_queries_supported, movit_compute_shaders_supported; int movit_num_wrongly_rounded; MovitShaderModel movit_shader_model; // The rules for objects with nontrivial constructors in static scope // are somewhat convoluted, and easy to mess up. We simply have a // pointer instead (and never care to clean it up). string *movit_data_directory = nullptr; namespace { void measure_texel_subpixel_precision() { ResourcePool resource_pool; static const unsigned width = 4096; // Generate a destination texture to render to, and an FBO. GLuint dst_texnum, fbo; glGenTextures(1, &dst_texnum); check_error(); glBindTexture(GL_TEXTURE_2D, dst_texnum); check_error(); glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA16F, width, 1, 0, GL_RGBA, GL_FLOAT, nullptr); check_error(); glGenFramebuffers(1, &fbo); check_error(); glBindFramebuffer(GL_FRAMEBUFFER, fbo); check_error(); glFramebufferTexture2D( GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, dst_texnum, 0); check_error(); // Now generate a simple texture that's just [0,1]. GLuint src_texnum; float texdata[] = { 0, 1 }; glGenTextures(1, &src_texnum); check_error(); glBindTexture(GL_TEXTURE_2D, src_texnum); check_error(); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); check_error(); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); check_error(); glTexImage2D(GL_TEXTURE_2D, 0, GL_R16F, 2, 1, 0, GL_RED, GL_FLOAT, texdata); check_error(); // Basic state. glDisable(GL_BLEND); check_error(); glDisable(GL_DEPTH_TEST); check_error(); glDepthMask(GL_FALSE); check_error(); glViewport(0, 0, width, 1); vector frag_shader_outputs; GLuint glsl_program_num = resource_pool.compile_glsl_program( read_version_dependent_file("vs", "vert"), read_version_dependent_file("texture1d", "frag"), frag_shader_outputs); glUseProgram(glsl_program_num); check_error(); glUniform1i(glGetUniformLocation(glsl_program_num, "tex"), 0); // Bind the 2D sampler. check_error(); // Draw the texture stretched over a long quad, interpolating it out. // Note that since the texel center is in (0.5), we need to adjust the // texture coordinates in order not to get long stretches of (1,1,1,...) // at the start and (...,0,0,0) at the end. float vertices[] = { 0.0f, 1.0f, 0.0f, 0.0f, 1.0f, 1.0f, 1.0f, 0.0f }; float texcoords[] = { 0.25f, 0.0f, 0.25f, 0.0f, 0.75f, 0.0f, 0.75f, 0.0f }; GLuint vao; glGenVertexArrays(1, &vao); check_error(); glBindVertexArray(vao); check_error(); GLuint position_vbo = fill_vertex_attribute(glsl_program_num, "position", 2, GL_FLOAT, sizeof(vertices), vertices); GLuint texcoord_vbo = fill_vertex_attribute(glsl_program_num, "texcoord", 2, GL_FLOAT, sizeof(texcoords), texcoords); glDrawArrays(GL_TRIANGLE_STRIP, 0, 4); check_error(); cleanup_vertex_attribute(glsl_program_num, "position", position_vbo); cleanup_vertex_attribute(glsl_program_num, "texcoord", texcoord_vbo); glUseProgram(0); check_error(); // Now read the data back and see what the card did. // (We only look at the red channel; the others will surely be the same.) // We assume a linear ramp; anything else will give sort of odd results here. float out_data[width * 4]; glReadPixels(0, 0, width, 1, GL_RGBA, GL_FLOAT, out_data); check_error(); float biggest_jump = 0.0f; for (unsigned i = 1; i < width; ++i) { assert(out_data[i * 4] >= out_data[(i - 1) * 4]); biggest_jump = max(biggest_jump, out_data[i * 4] - out_data[(i - 1) * 4]); } assert(biggest_jump > 0.0); movit_texel_subpixel_precision = biggest_jump; // Clean up. glBindTexture(GL_TEXTURE_2D, 0); check_error(); glBindFramebuffer(GL_FRAMEBUFFER, 0); check_error(); glDeleteFramebuffers(1, &fbo); check_error(); glDeleteTextures(1, &dst_texnum); check_error(); glDeleteTextures(1, &src_texnum); check_error(); resource_pool.release_glsl_program(glsl_program_num); glDeleteVertexArrays(1, &vao); check_error(); } void measure_roundoff_problems() { ResourcePool resource_pool; // Generate a destination texture to render to, and an FBO. GLuint dst_texnum, fbo; glGenTextures(1, &dst_texnum); check_error(); glBindTexture(GL_TEXTURE_2D, dst_texnum); check_error(); glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, 512, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE, nullptr); check_error(); glGenFramebuffers(1, &fbo); check_error(); glBindFramebuffer(GL_FRAMEBUFFER, fbo); check_error(); glFramebufferTexture2D( GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, dst_texnum, 0); check_error(); // Now generate a texture where every value except the last should be // rounded up to the next one. However, there are cards (in highly // common use) that can't do this right, for unknown reasons. GLuint src_texnum; float texdata[512]; for (int i = 0; i < 256; ++i) { texdata[i * 2 + 0] = (i + 0.48) / 255.0; texdata[i * 2 + 1] = (i + 0.52) / 255.0; } glGenTextures(1, &src_texnum); check_error(); glBindTexture(GL_TEXTURE_2D, src_texnum); check_error(); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); check_error(); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); check_error(); glTexImage2D(GL_TEXTURE_2D, 0, GL_R32F, 512, 1, 0, GL_RED, GL_FLOAT, texdata); check_error(); // Basic state. glDisable(GL_BLEND); check_error(); glDisable(GL_DEPTH_TEST); check_error(); glDepthMask(GL_FALSE); check_error(); glViewport(0, 0, 512, 1); vector frag_shader_outputs; GLuint glsl_program_num = resource_pool.compile_glsl_program( read_version_dependent_file("vs", "vert"), read_version_dependent_file("texture1d", "frag"), frag_shader_outputs); glUseProgram(glsl_program_num); check_error(); glUniform1i(glGetUniformLocation(glsl_program_num, "tex"), 0); // Bind the 2D sampler. // Draw the texture stretched over a long quad, interpolating it out. float vertices[] = { 0.0f, 1.0f, 0.0f, 0.0f, 1.0f, 1.0f, 1.0f, 0.0f }; GLuint vao; glGenVertexArrays(1, &vao); check_error(); glBindVertexArray(vao); check_error(); GLuint position_vbo = fill_vertex_attribute(glsl_program_num, "position", 2, GL_FLOAT, sizeof(vertices), vertices); GLuint texcoord_vbo = fill_vertex_attribute(glsl_program_num, "texcoord", 2, GL_FLOAT, sizeof(vertices), vertices); // Same data. glDrawArrays(GL_TRIANGLE_STRIP, 0, 4); check_error(); cleanup_vertex_attribute(glsl_program_num, "position", position_vbo); cleanup_vertex_attribute(glsl_program_num, "texcoord", texcoord_vbo); glUseProgram(0); check_error(); // Now read the data back and see what the card did. (Ignore the last value.) // (We only look at the red channel; the others will surely be the same.) unsigned char out_data[512 * 4]; glReadPixels(0, 0, 512, 1, GL_RGBA, GL_UNSIGNED_BYTE, out_data); check_error(); int wrongly_rounded = 0; for (unsigned i = 0; i < 255; ++i) { if (out_data[(i * 2 + 0) * 4] != i) { ++wrongly_rounded; } if (out_data[(i * 2 + 1) * 4] != i + 1) { ++wrongly_rounded; } } movit_num_wrongly_rounded = wrongly_rounded; // Clean up. glBindTexture(GL_TEXTURE_2D, 0); check_error(); glBindFramebuffer(GL_FRAMEBUFFER, 0); check_error(); glDeleteFramebuffers(1, &fbo); check_error(); glDeleteTextures(1, &dst_texnum); check_error(); glDeleteTextures(1, &src_texnum); check_error(); resource_pool.release_glsl_program(glsl_program_num); glDeleteVertexArrays(1, &vao); check_error(); } bool check_extensions() { // GLES generally doesn't use extensions as actively as desktop OpenGL. // For now, we say that for GLES, we require GLES 3, which has everything // we need. if (!epoxy_is_desktop_gl()) { if (epoxy_gl_version() >= 30) { return true; } else { fprintf(stderr, "Movit system requirements: GLES version %.1f is too old (GLES 3.0 needed).\n", 0.1f * epoxy_gl_version()); fprintf(stderr, "Movit initialization failed.\n"); return false; } } if (epoxy_gl_version() < 30) { fprintf(stderr, "Movit system requirements: OpenGL version %.1f is too old (OpenGL 3.0 needed).\n", 0.1f * epoxy_gl_version()); fprintf(stderr, "Movit initialization failed.\n"); return false; } // The user can specify that they want a timing report for each // phase in an effect chain. However, that depends on this extension; // without it, we do cannot even create the query objects. movit_timer_queries_supported = (epoxy_gl_version() >= 33 || epoxy_has_gl_extension("GL_ARB_timer_query")); // Certain effects have compute shader implementations, which may be // more efficient than the normal fragment shader versions. // GLSL 3.10 supposedly also has compute shaders, but I haven't tested them, // so we require desktop OpenGL. movit_compute_shaders_supported = (epoxy_is_desktop_gl() && (epoxy_gl_version() >= 43 || (epoxy_has_gl_extension("GL_ARB_compute_shader") && epoxy_has_gl_extension("GL_ARB_shader_image_load_store") && epoxy_has_gl_extension("GL_ARB_shader_image_size")))); return true; } double get_glsl_version() { char *glsl_version_str = strdup((const char *)glGetString(GL_SHADING_LANGUAGE_VERSION)); // Skip past the first period. char *ptr = strchr(glsl_version_str, '.'); assert(ptr != nullptr); ++ptr; // Now cut the string off at the next period or space, whatever comes first // (unless the string ends first). while (*ptr && *ptr != '.' && *ptr != ' ') { ++ptr; } *ptr = '\0'; // Now we have something on the form X.YY. We convert it to a float, and hope // that if it's inexact (e.g. 1.30), atof() will round the same way the // compiler will. std::istringstream locale_convert(glsl_version_str); locale_convert.imbue(std::locale("C")); double glsl_version; locale_convert >> glsl_version; free(glsl_version_str); return glsl_version; } void APIENTRY debug_callback(GLenum source, GLenum type, GLuint id, GLenum severity, GLsizei length, const char *message, const void *userParam) #ifdef __GNUC__ __attribute__((unused)) #endif ; void APIENTRY debug_callback(GLenum source, GLenum type, GLuint id, GLenum severity, GLsizei length, const char *message, const void *userParam) { printf("Debug: %s\n", message); } } // namespace bool init_movit(const string& data_directory, MovitDebugLevel debug_level) { if (movit_initialized) { return true; } movit_data_directory = new string(data_directory); movit_debug_level = debug_level; // geez glPixelStorei(GL_PACK_ALIGNMENT, 1); glPixelStorei(GL_UNPACK_ALIGNMENT, 1); glDisable(GL_DITHER); // You can turn this on if you want detailed debug messages from the driver. // You should probably also ask for a debug context (see gtest_sdl_main.cpp), // or you might not get much data back. // glDebugMessageCallbackARB(callback, nullptr); // glDebugMessageControlARB(GL_DONT_CARE, GL_DONT_CARE, GL_DONT_CARE, 0, 0, GL_TRUE); if (!check_extensions()) { return false; } // Find out what shader model we should compile for. // We need at least 1.30, due to use of (among others) integers. if (epoxy_is_desktop_gl()) { if (get_glsl_version() < 1.30f) { fprintf(stderr, "Movit system requirements: Needs at least GLSL version 1.30 (has version %.1f)\n", get_glsl_version()); return false; } if (get_glsl_version() < 1.50f) { movit_shader_model = MOVIT_GLSL_130; } else { // Note: All of our 1.50 shaders are identical to our 1.30 shaders, // but OS X does not support 1.30; only 1.10 (which we don't support // anymore) and 1.50 (and then only with core contexts). So we keep // a second set of shaders around whose only difference is the different // #version declaration. movit_shader_model = MOVIT_GLSL_150; } } else { movit_shader_model = MOVIT_ESSL_300; } measure_texel_subpixel_precision(); measure_roundoff_problems(); movit_initialized = true; return true; } } // namespace movit movit-1.7.1/resource_pool.cpp0000644000175000017500000005531314462263704015307 0ustar sessesesse#include #include #include #include #include #include #include #include #include #include "init.h" #include "resource_pool.h" #include "util.h" using namespace std; namespace movit { ResourcePool::ResourcePool(size_t program_freelist_max_length, size_t texture_freelist_max_bytes, size_t fbo_freelist_max_length, size_t vao_freelist_max_length) : program_freelist_max_length(program_freelist_max_length), texture_freelist_max_bytes(texture_freelist_max_bytes), fbo_freelist_max_length(fbo_freelist_max_length), vao_freelist_max_length(vao_freelist_max_length), texture_freelist_bytes(0) { pthread_mutex_init(&lock, nullptr); } ResourcePool::~ResourcePool() { assert(program_refcount.empty()); for (GLuint program : program_freelist) { delete_program(program); } assert(programs.empty()); assert(program_shaders.empty()); for (GLuint free_texture_num : texture_freelist) { assert(texture_formats.count(free_texture_num) != 0); texture_freelist_bytes -= estimate_texture_size(texture_formats[free_texture_num]); glDeleteSync(texture_formats[free_texture_num].no_reuse_before); texture_formats.erase(free_texture_num); glDeleteTextures(1, &free_texture_num); check_error(); } assert(texture_formats.empty()); assert(texture_freelist_bytes == 0); void *context = get_gl_context_identifier(); cleanup_unlinked_fbos(context); for (const auto &context_and_fbos : fbo_freelist) { if (context_and_fbos.first != context) { // If this does not hold, the client should have called clean_context() earlier. assert(context_and_fbos.second.empty()); continue; } for (FBOFormatIterator fbo_it : context_and_fbos.second) { glDeleteFramebuffers(1, &fbo_it->second.fbo_num); check_error(); fbo_formats.erase(fbo_it); } } assert(fbo_formats.empty()); } void ResourcePool::delete_program(GLuint glsl_program_num) { bool found_program = false; for (map, GLuint>::iterator program_it = programs.begin(); program_it != programs.end(); ++program_it) { if (program_it->second == glsl_program_num) { programs.erase(program_it); found_program = true; break; } } for (map::iterator program_it = compute_programs.begin(); program_it != compute_programs.end(); ++program_it) { if (program_it->second == glsl_program_num) { compute_programs.erase(program_it); found_program = true; break; } } assert(found_program); map>::iterator instance_list_it = program_instances.find(glsl_program_num); assert(instance_list_it != program_instances.end()); while (!instance_list_it->second.empty()) { GLuint instance_program_num = instance_list_it->second.top(); instance_list_it->second.pop(); glDeleteProgram(instance_program_num); program_masters.erase(instance_program_num); } program_instances.erase(instance_list_it); map::iterator shader_it = program_shaders.find(glsl_program_num); if (shader_it == program_shaders.end()) { // Should be a compute shader. map::iterator compute_shader_it = compute_program_shaders.find(glsl_program_num); assert(compute_shader_it != compute_program_shaders.end()); glDeleteShader(compute_shader_it->second.cs_obj); compute_program_shaders.erase(compute_shader_it); } else { glDeleteShader(shader_it->second.vs_obj); glDeleteShader(shader_it->second.fs_obj); program_shaders.erase(shader_it); } } GLuint ResourcePool::compile_glsl_program(const string& vertex_shader, const string& fragment_shader, const vector& fragment_shader_outputs) { GLuint glsl_program_num; pthread_mutex_lock(&lock); // Augment the fragment shader program text with the outputs, so that they become // part of the key. Also potentially useful for debugging. string fragment_shader_processed = fragment_shader; for (unsigned output_index = 0; output_index < fragment_shader_outputs.size(); ++output_index) { char buf[256]; snprintf(buf, sizeof(buf), "// Bound output: %s\n", fragment_shader_outputs[output_index].c_str()); fragment_shader_processed += buf; } const pair key(vertex_shader, fragment_shader_processed); if (programs.count(key)) { // Already in the cache. glsl_program_num = programs[key]; increment_program_refcount(glsl_program_num); } else { // Not in the cache. Compile the shaders. GLuint vs_obj = compile_shader(vertex_shader, GL_VERTEX_SHADER); check_error(); GLuint fs_obj = compile_shader(fragment_shader_processed, GL_FRAGMENT_SHADER); check_error(); glsl_program_num = link_program(vs_obj, fs_obj, fragment_shader_outputs); output_debug_shader(fragment_shader_processed, "frag"); programs.insert(make_pair(key, glsl_program_num)); add_master_program(glsl_program_num); ShaderSpec spec; spec.vs_obj = vs_obj; spec.fs_obj = fs_obj; spec.fragment_shader_outputs = fragment_shader_outputs; program_shaders.insert(make_pair(glsl_program_num, spec)); } pthread_mutex_unlock(&lock); return glsl_program_num; } GLuint ResourcePool::link_program(GLuint vs_obj, GLuint fs_obj, const vector& fragment_shader_outputs) { GLuint glsl_program_num = glCreateProgram(); check_error(); glAttachShader(glsl_program_num, vs_obj); check_error(); glAttachShader(glsl_program_num, fs_obj); check_error(); // Bind the outputs, if we have multiple ones. if (fragment_shader_outputs.size() > 1) { for (unsigned output_index = 0; output_index < fragment_shader_outputs.size(); ++output_index) { glBindFragDataLocation(glsl_program_num, output_index, fragment_shader_outputs[output_index].c_str()); } } glLinkProgram(glsl_program_num); check_error(); GLint success; glGetProgramiv(glsl_program_num, GL_LINK_STATUS, &success); if (success == GL_FALSE) { GLchar error_log[1024] = {0}; glGetProgramInfoLog(glsl_program_num, 1024, nullptr, error_log); fprintf(stderr, "Error linking program: %s\n", error_log); exit(1); } return glsl_program_num; } void ResourcePool::release_glsl_program(GLuint glsl_program_num) { pthread_mutex_lock(&lock); map::iterator refcount_it = program_refcount.find(glsl_program_num); assert(refcount_it != program_refcount.end()); if (--refcount_it->second == 0) { program_refcount.erase(refcount_it); assert(find(program_freelist.begin(), program_freelist.end(), glsl_program_num) == program_freelist.end()); program_freelist.push_front(glsl_program_num); if (program_freelist.size() > program_freelist_max_length) { delete_program(program_freelist.back()); program_freelist.pop_back(); } } pthread_mutex_unlock(&lock); } GLuint ResourcePool::compile_glsl_compute_program(const string& compute_shader) { GLuint glsl_program_num; pthread_mutex_lock(&lock); const string &key = compute_shader; if (compute_programs.count(key)) { // Already in the cache. glsl_program_num = compute_programs[key]; increment_program_refcount(glsl_program_num); } else { // Not in the cache. Compile the shader. GLuint cs_obj = compile_shader(compute_shader, GL_COMPUTE_SHADER); check_error(); glsl_program_num = link_compute_program(cs_obj); output_debug_shader(compute_shader, "comp"); compute_programs.insert(make_pair(key, glsl_program_num)); add_master_program(glsl_program_num); ComputeShaderSpec spec; spec.cs_obj = cs_obj; compute_program_shaders.insert(make_pair(glsl_program_num, spec)); } pthread_mutex_unlock(&lock); return glsl_program_num; } GLuint ResourcePool::link_compute_program(GLuint cs_obj) { GLuint glsl_program_num = glCreateProgram(); check_error(); glAttachShader(glsl_program_num, cs_obj); check_error(); glLinkProgram(glsl_program_num); check_error(); GLint success; glGetProgramiv(glsl_program_num, GL_LINK_STATUS, &success); if (success == GL_FALSE) { GLchar error_log[1024] = {0}; glGetProgramInfoLog(glsl_program_num, 1024, nullptr, error_log); fprintf(stderr, "Error linking program: %s\n", error_log); exit(1); } return glsl_program_num; } GLuint ResourcePool::use_glsl_program(GLuint glsl_program_num) { pthread_mutex_lock(&lock); assert(program_instances.count(glsl_program_num)); stack &instances = program_instances[glsl_program_num]; GLuint instance_program_num; if (!instances.empty()) { // There's an unused instance of this program; just return it. instance_program_num = instances.top(); instances.pop(); } else { // We need to clone this program. (unuse_glsl_program() // will later put it onto the list.) map::iterator shader_it = program_shaders.find(glsl_program_num); if (shader_it == program_shaders.end()) { // Should be a compute shader. map::iterator compute_shader_it = compute_program_shaders.find(glsl_program_num); instance_program_num = link_compute_program( compute_shader_it->second.cs_obj); } else { // A regular fragment shader. instance_program_num = link_program( shader_it->second.vs_obj, shader_it->second.fs_obj, shader_it->second.fragment_shader_outputs); } program_masters.insert(make_pair(instance_program_num, glsl_program_num)); } pthread_mutex_unlock(&lock); glUseProgram(instance_program_num); return instance_program_num; } void ResourcePool::unuse_glsl_program(GLuint instance_program_num) { pthread_mutex_lock(&lock); auto master_it = program_masters.find(instance_program_num); assert(master_it != program_masters.end()); assert(program_instances.count(master_it->second)); stack &instances = program_instances[master_it->second]; instances.push(instance_program_num); pthread_mutex_unlock(&lock); } GLuint ResourcePool::create_2d_texture(GLint internal_format, GLsizei width, GLsizei height) { assert(width > 0); assert(height > 0); pthread_mutex_lock(&lock); // See if there's a texture on the freelist we can use. for (auto freelist_it = texture_freelist.begin(); freelist_it != texture_freelist.end(); ++freelist_it) { GLuint texture_num = *freelist_it; map::const_iterator format_it = texture_formats.find(texture_num); assert(format_it != texture_formats.end()); if (format_it->second.internal_format == internal_format && format_it->second.width == width && format_it->second.height == height) { texture_freelist_bytes -= estimate_texture_size(format_it->second); texture_freelist.erase(freelist_it); GLsync sync = format_it->second.no_reuse_before; pthread_mutex_unlock(&lock); glWaitSync(sync, 0, GL_TIMEOUT_IGNORED); glDeleteSync(sync); return texture_num; } } // Find any reasonable format given the internal format; OpenGL validates it // even though we give nullptr as pointer. GLenum format; switch (internal_format) { case GL_RGBA32F_ARB: case GL_RGBA16F_ARB: case GL_RGBA16: case GL_RGBA8: case GL_RGB10_A2: case GL_SRGB8_ALPHA8: format = GL_RGBA; break; case GL_RGB32F: case GL_RGB16F: case GL_RGB16: case GL_R11F_G11F_B10F: case GL_RGB8: case GL_RGB10: case GL_SRGB8: case GL_RGB565: case GL_RGB9_E5: format = GL_RGB; break; case GL_RG32F: case GL_RG16F: case GL_RG16: case GL_RG8: format = GL_RG; break; case GL_R32F: case GL_R16F: case GL_R16: case GL_R8: format = GL_RED; break; default: // TODO: Add more here as needed. assert(false); } // Same with type; GLES is stricter than desktop OpenGL here. GLenum type; switch (internal_format) { case GL_RGBA32F_ARB: case GL_RGBA16F_ARB: case GL_RGB32F: case GL_RGB16F: case GL_R11F_G11F_B10F: case GL_RGB9_E5: case GL_RG32F: case GL_RG16F: case GL_R32F: case GL_R16F: type = GL_FLOAT; break; case GL_RGBA16: case GL_RGB16: case GL_RG16: case GL_R16: type = GL_UNSIGNED_SHORT; break; case GL_SRGB8_ALPHA8: case GL_SRGB8: case GL_RGBA8: case GL_RGB8: case GL_RGB10_A2: case GL_RGB10: case GL_RG8: case GL_R8: type = GL_UNSIGNED_BYTE; break; case GL_RGB565: type = GL_UNSIGNED_SHORT_5_6_5; break; default: // TODO: Add more here as needed. assert(false); } GLuint texture_num; glGenTextures(1, &texture_num); check_error(); glBindTexture(GL_TEXTURE_2D, texture_num); check_error(); glTexImage2D(GL_TEXTURE_2D, 0, internal_format, width, height, 0, format, type, nullptr); check_error(); glBindTexture(GL_TEXTURE_2D, 0); check_error(); Texture2D texture_format; texture_format.internal_format = internal_format; texture_format.width = width; texture_format.height = height; assert(texture_formats.count(texture_num) == 0); texture_formats.insert(make_pair(texture_num, texture_format)); pthread_mutex_unlock(&lock); return texture_num; } void ResourcePool::release_2d_texture(GLuint texture_num) { pthread_mutex_lock(&lock); texture_freelist.push_front(texture_num); assert(texture_formats.count(texture_num) != 0); texture_freelist_bytes += estimate_texture_size(texture_formats[texture_num]); texture_formats[texture_num].no_reuse_before = glFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0); while (texture_freelist_bytes > texture_freelist_max_bytes) { GLuint free_texture_num = texture_freelist.back(); texture_freelist.pop_back(); assert(texture_formats.count(free_texture_num) != 0); texture_freelist_bytes -= estimate_texture_size(texture_formats[free_texture_num]); glDeleteSync(texture_formats[free_texture_num].no_reuse_before); texture_formats.erase(free_texture_num); glDeleteTextures(1, &free_texture_num); check_error(); // Unlink any lingering FBO related to this texture. We might // not be in the right context, so don't delete it right away; // the cleanup in release_fbo() (which calls cleanup_unlinked_fbos()) // will take care of actually doing that later. for (auto &key_and_fbo : fbo_formats) { for (unsigned i = 0; i < num_fbo_attachments; ++i) { if (key_and_fbo.second.texture_num[i] == free_texture_num) { key_and_fbo.second.texture_num[i] = GL_INVALID_INDEX; } } } } pthread_mutex_unlock(&lock); } GLuint ResourcePool::create_fbo(GLuint texture0_num, GLuint texture1_num, GLuint texture2_num, GLuint texture3_num) { void *context = get_gl_context_identifier(); // Make sure we are filled from the bottom. assert(texture0_num != 0); if (texture1_num == 0) { assert(texture2_num == 0); } if (texture2_num == 0) { assert(texture3_num == 0); } pthread_mutex_lock(&lock); if (fbo_freelist.count(context) != 0) { // See if there's an FBO on the freelist we can use. auto end = fbo_freelist[context].end(); for (auto freelist_it = fbo_freelist[context].begin(); freelist_it != end; ++freelist_it) { FBOFormatIterator fbo_it = *freelist_it; if (fbo_it->second.texture_num[0] == texture0_num && fbo_it->second.texture_num[1] == texture1_num && fbo_it->second.texture_num[2] == texture2_num && fbo_it->second.texture_num[3] == texture3_num) { fbo_freelist[context].erase(freelist_it); pthread_mutex_unlock(&lock); return fbo_it->second.fbo_num; } } } // Create a new one. FBO fbo_format; fbo_format.texture_num[0] = texture0_num; fbo_format.texture_num[1] = texture1_num; fbo_format.texture_num[2] = texture2_num; fbo_format.texture_num[3] = texture3_num; glGenFramebuffers(1, &fbo_format.fbo_num); check_error(); glBindFramebuffer(GL_FRAMEBUFFER, fbo_format.fbo_num); check_error(); GLenum bufs[num_fbo_attachments]; unsigned num_active_attachments = 0; for (unsigned i = 0; i < num_fbo_attachments; ++i, ++num_active_attachments) { if (fbo_format.texture_num[i] == 0) { break; } glFramebufferTexture2D( GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0 + i, GL_TEXTURE_2D, fbo_format.texture_num[i], 0); check_error(); bufs[i] = GL_COLOR_ATTACHMENT0 + i; } glDrawBuffers(num_active_attachments, bufs); check_error(); GLenum status = glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT); assert(status == GL_FRAMEBUFFER_COMPLETE); glBindFramebuffer(GL_FRAMEBUFFER, 0); check_error(); pair key(context, fbo_format.fbo_num); assert(fbo_formats.count(key) == 0); fbo_formats.insert(make_pair(key, fbo_format)); pthread_mutex_unlock(&lock); return fbo_format.fbo_num; } void ResourcePool::release_fbo(GLuint fbo_num) { void *context = get_gl_context_identifier(); pthread_mutex_lock(&lock); FBOFormatIterator fbo_it = fbo_formats.find(make_pair(context, fbo_num)); assert(fbo_it != fbo_formats.end()); fbo_freelist[context].push_front(fbo_it); // Now that we're in this context, free up any FBOs that are connected // to deleted textures (in release_2d_texture). cleanup_unlinked_fbos(context); shrink_fbo_freelist(context, fbo_freelist_max_length); pthread_mutex_unlock(&lock); } GLuint ResourcePool::create_vec2_vao(const set &attribute_indices, GLuint vbo_num) { void *context = get_gl_context_identifier(); pthread_mutex_lock(&lock); if (vao_freelist.count(context) != 0) { // See if there's a VAO the freelist we can use. auto end = vao_freelist[context].end(); for (auto freelist_it = vao_freelist[context].begin(); freelist_it != end; ++freelist_it) { VAOFormatIterator vao_it = *freelist_it; if (vao_it->second.vbo_num == vbo_num && vao_it->second.attribute_indices == attribute_indices) { vao_freelist[context].erase(freelist_it); pthread_mutex_unlock(&lock); return vao_it->second.vao_num; } } } // Create a new one. VAO vao_format; vao_format.attribute_indices = attribute_indices; vao_format.vbo_num = vbo_num; glGenVertexArrays(1, &vao_format.vao_num); check_error(); glBindVertexArray(vao_format.vao_num); check_error(); glBindBuffer(GL_ARRAY_BUFFER, vbo_num); check_error(); for (GLint attr : attribute_indices) { glEnableVertexAttribArray(attr); check_error(); glVertexAttribPointer(attr, 2, GL_FLOAT, GL_FALSE, 0, BUFFER_OFFSET(0)); check_error(); } glBindVertexArray(0); check_error(); glBindBuffer(GL_ARRAY_BUFFER, 0); check_error(); pair key(context, vao_format.vao_num); assert(vao_formats.count(key) == 0); vao_formats.insert(make_pair(key, vao_format)); pthread_mutex_unlock(&lock); return vao_format.vao_num; } void ResourcePool::release_vec2_vao(GLuint vao_num) { void *context = get_gl_context_identifier(); pthread_mutex_lock(&lock); VAOFormatIterator vao_it = vao_formats.find(make_pair(context, vao_num)); assert(vao_it != vao_formats.end()); vao_freelist[context].push_front(vao_it); shrink_vao_freelist(context, vao_freelist_max_length); pthread_mutex_unlock(&lock); } void ResourcePool::clean_context() { void *context = get_gl_context_identifier(); // Currently, we only need to worry about FBOs and VAOs, as they are the only // non-shareable resources we hold. shrink_fbo_freelist(context, 0); fbo_freelist.erase(context); shrink_vao_freelist(context, 0); vao_freelist.erase(context); } void ResourcePool::cleanup_unlinked_fbos(void *context) { auto end = fbo_freelist[context].end(); for (auto freelist_it = fbo_freelist[context].begin(); freelist_it != end; ) { FBOFormatIterator fbo_it = *freelist_it; bool all_unlinked = true; for (unsigned i = 0; i < num_fbo_attachments; ++i) { if (fbo_it->second.texture_num[i] != 0 && fbo_it->second.texture_num[i] != GL_INVALID_INDEX) { all_unlinked = false; break; } } if (all_unlinked) { glDeleteFramebuffers(1, &fbo_it->second.fbo_num); check_error(); fbo_formats.erase(fbo_it); fbo_freelist[context].erase(freelist_it++); } else { freelist_it++; } } } void ResourcePool::shrink_fbo_freelist(void *context, size_t max_length) { list &freelist = fbo_freelist[context]; while (freelist.size() > max_length) { FBOFormatIterator free_fbo_it = freelist.back(); glDeleteFramebuffers(1, &free_fbo_it->second.fbo_num); check_error(); fbo_formats.erase(free_fbo_it); freelist.pop_back(); } } void ResourcePool::shrink_vao_freelist(void *context, size_t max_length) { list &freelist = vao_freelist[context]; while (freelist.size() > max_length) { VAOFormatIterator free_vao_it = freelist.back(); glDeleteVertexArrays(1, &free_vao_it->second.vao_num); check_error(); vao_formats.erase(free_vao_it); freelist.pop_back(); } } void ResourcePool::increment_program_refcount(GLuint program_num) { map::iterator refcount_it = program_refcount.find(program_num); if (refcount_it != program_refcount.end()) { ++refcount_it->second; } else { list::iterator freelist_it = find(program_freelist.begin(), program_freelist.end(), program_num); assert(freelist_it != program_freelist.end()); program_freelist.erase(freelist_it); program_refcount.insert(make_pair(program_num, 1)); } } void ResourcePool::output_debug_shader(const string &shader_src, const string &suffix) { if (movit_debug_level == MOVIT_DEBUG_ON) { // Output shader to a temporary file, for easier debugging. static int compiled_shader_num = 0; char filename[256]; sprintf(filename, "chain-%03d.%s", compiled_shader_num++, suffix.c_str()); FILE *fp = fopen(filename, "w"); if (fp == nullptr) { perror(filename); exit(1); } fprintf(fp, "%s\n", shader_src.c_str()); fclose(fp); } } void ResourcePool::add_master_program(GLuint program_num) { program_refcount.insert(make_pair(program_num, 1)); stack instances; instances.push(program_num); program_instances.insert(make_pair(program_num, instances)); program_masters.insert(make_pair(program_num, program_num)); } size_t ResourcePool::estimate_texture_size(const Texture2D &texture_format) { size_t bytes_per_pixel; switch (texture_format.internal_format) { case GL_RGBA32F_ARB: bytes_per_pixel = 16; break; case GL_RGBA16F_ARB: bytes_per_pixel = 8; break; case GL_RGB32F_ARB: bytes_per_pixel = 12; break; case GL_RGB16F_ARB: bytes_per_pixel = 6; break; case GL_R11F_G11F_B10F: bytes_per_pixel = 4; break; case GL_RGB9_E5: bytes_per_pixel = 4; break; case GL_RGBA8: case GL_SRGB8_ALPHA8: case GL_RGB10_A2: case GL_RGB10: bytes_per_pixel = 4; break; case GL_RGB8: case GL_SRGB8: bytes_per_pixel = 3; break; case GL_RG32F: bytes_per_pixel = 8; break; case GL_RG16F: bytes_per_pixel = 4; break; case GL_R32F: bytes_per_pixel = 4; break; case GL_R16F: bytes_per_pixel = 2; break; case GL_RG8: bytes_per_pixel = 2; break; case GL_R8: bytes_per_pixel = 1; break; case GL_RGB565: bytes_per_pixel = 2; break; case GL_RGBA16: bytes_per_pixel = 8; break; case GL_RGB16: bytes_per_pixel = 6; break; case GL_RG16: bytes_per_pixel = 4; break; case GL_R16: bytes_per_pixel = 2; break; default: // TODO: Add more here as needed. assert(false); } return texture_format.width * texture_format.height * bytes_per_pixel; } } // namespace movit movit-1.7.1/ycbcr.cpp0000644000175000017500000001167014462263704013527 0ustar sessesesse// Note: These functions are tested in ycbcr_input_test.cpp; both through some // direct matrix tests, but most of all through YCbCrInput's unit tests. #include #include #include "ycbcr.h" using namespace Eigen; namespace movit { // OpenGL has texel center in (0.5, 0.5), but different formats have // chroma in various other places. If luma samples are X, the chroma // sample is *, and subsampling is 3x3, the situation with chroma // center in (0.5, 0.5) looks approximately like this: // // X X // * // X X // // If, on the other hand, chroma center is in (0.0, 0.5) (common // for e.g. MPEG-4), the figure changes to: // // X X // * // X X // // In other words, (0.0, 0.0) means that the chroma sample is exactly // co-sited on top of the top-left luma sample. Note, however, that // this is _not_ 0.5 texels to the left, since the OpenGL's texel center // is in (0.5, 0.5); it is in (0.25, 0.25). In a sense, the four luma samples // define a square where chroma position (0.0, 0.0) is in texel position // (0.25, 0.25) and chroma position (1.0, 1.0) is in texel position (0.75, 0.75) // (the outer border shows the borders of the texel itself, ie. from // (0, 0) to (1, 1)): // // --------- // | | // | X---X | // | | * | | // | X---X | // | | // --------- // // Also note that if we have no subsampling, the square will have zero // area and the chroma position does not matter at all. float compute_chroma_offset(float pos, unsigned subsampling_factor, unsigned resolution) { float local_chroma_pos = (0.5 + pos * (subsampling_factor - 1)) / subsampling_factor; if (fabs(local_chroma_pos - 0.5) < 1e-10) { // x + (-0) can be optimized away freely, as opposed to x + 0. return -0.0; } else { return (0.5 - local_chroma_pos) / resolution; } } // Given , compute the values needed to turn Y'CbCr into R'G'B'; // first subtract the returned offset, then left-multiply the returned matrix // (the scaling is already folded into it). void compute_ycbcr_matrix(YCbCrFormat ycbcr_format, float* offset, Matrix3d* ycbcr_to_rgb, GLenum type, double *scale_factor) { double coeff[3], scale[3]; switch (ycbcr_format.luma_coefficients) { case YCBCR_REC_601: // Rec. 601, page 2. coeff[0] = 0.299; coeff[1] = 0.587; coeff[2] = 0.114; break; case YCBCR_REC_709: // Rec. 709, page 19. coeff[0] = 0.2126; coeff[1] = 0.7152; coeff[2] = 0.0722; break; case YCBCR_REC_2020: // Rec. 2020, page 4. coeff[0] = 0.2627; coeff[1] = 0.6780; coeff[2] = 0.0593; break; default: assert(false); } int num_levels = ycbcr_format.num_levels; if (num_levels == 0) { // For the benefit of clients using old APIs, but still zeroing out the structure. num_levels = 256; } if (ycbcr_format.full_range) { offset[0] = 0.0 / (num_levels - 1); offset[1] = double(num_levels / 2) / (num_levels - 1); // E.g. 128/255. offset[2] = double(num_levels / 2) / (num_levels - 1); scale[0] = 1.0; scale[1] = 1.0; scale[2] = 1.0; } else { // Rec. 601, page 4; Rec. 709, page 19; Rec. 2020, page 5. // Rec. 2020 contains the most generic formulas, which we use here. const double s = num_levels / 256.0; // 2^(n-8) in Rec. 2020 parlance. offset[0] = (s * 16.0) / (num_levels - 1); offset[1] = (s * 128.0) / (num_levels - 1); offset[2] = (s * 128.0) / (num_levels - 1); scale[0] = double(num_levels - 1) / (s * 219.0); scale[1] = double(num_levels - 1) / (s * 224.0); scale[2] = double(num_levels - 1) / (s * 224.0); } // Matrix to convert RGB to YCbCr. See e.g. Rec. 601. Matrix3d rgb_to_ycbcr; rgb_to_ycbcr(0,0) = coeff[0]; rgb_to_ycbcr(0,1) = coeff[1]; rgb_to_ycbcr(0,2) = coeff[2]; float cb_fac = 1.0 / (coeff[0] + coeff[1] + 1.0f - coeff[2]); rgb_to_ycbcr(1,0) = -coeff[0] * cb_fac; rgb_to_ycbcr(1,1) = -coeff[1] * cb_fac; rgb_to_ycbcr(1,2) = (1.0f - coeff[2]) * cb_fac; float cr_fac = 1.0 / (1.0f - coeff[0] + coeff[1] + coeff[2]); rgb_to_ycbcr(2,0) = (1.0f - coeff[0]) * cr_fac; rgb_to_ycbcr(2,1) = -coeff[1] * cr_fac; rgb_to_ycbcr(2,2) = -coeff[2] * cr_fac; // Inverting the matrix gives us what we need to go from YCbCr back to RGB. *ycbcr_to_rgb = rgb_to_ycbcr.inverse(); // Fold in the scaling. *ycbcr_to_rgb *= Map(scale).asDiagonal(); if (type == GL_UNSIGNED_SHORT) { // For 10-bit or 12-bit packed into 16-bit, we need to scale the values // so that the max value goes from 1023 (or 4095) to 65535. We do this // by folding the scaling into the conversion matrix, so it comes essentially // for free. However, the offset is before the scaling (and thus assumes // correctly scaled values), so we need to adjust that the other way. double scale = 65535.0 / (ycbcr_format.num_levels - 1); offset[0] /= scale; offset[1] /= scale; offset[2] /= scale; *ycbcr_to_rgb *= scale; if (scale_factor != nullptr) { *scale_factor = scale; } } else if (scale_factor != nullptr) { *scale_factor = 1.0; } } } // namespace movit movit-1.7.1/bundled_shaders.cpp0000644000175000017500000014130614462263704015553 0ustar sessesesse// Autogenerated by make_bundled_shaders.cpp. Do not edit by hand! #include #include "bundled_shaders.h" namespace movit { BundledShader bundled_shaders[] = { { "vs.vert", 0, 575 }, { "vs.130.vert", 575, 571 }, { "vs.150.vert", 1146, 571 }, { "vs.300es.vert", 1717, 598 }, { "header.130.frag", 2315, 94 }, { "header.150.frag", 2409, 94 }, { "header.300es.frag", 2503, 121 }, { "header.comp", 2624, 617 }, { "footer.frag", 3241, 1952 }, { "identity.frag", 5193, 107 }, { "footer.comp", 5300, 1050 }, { "texture1d.130.frag", 6350, 154 }, { "texture1d.150.frag", 6504, 154 }, { "texture1d.300es.frag", 6658, 181 }, { "flat_input.frag", 6839, 536 }, { "ycbcr_input.frag", 7375, 1262 }, { "ycbcr_422interleaved_input.frag", 8637, 813 }, { "lift_gamma_gain_effect.frag", 9450, 632 }, { "white_balance_effect.frag", 10082, 177 }, { "gamma_expansion_effect.frag", 10259, 542 }, { "gamma_compression_effect.frag", 10801, 738 }, { "colorspace_conversion_effect.frag", 11539, 246 }, { "alpha_multiplication_effect.frag", 11785, 77 }, { "alpha_division_effect.frag", 11862, 262 }, { "saturation_effect.frag", 12124, 223 }, { "blur_effect.frag", 12347, 661 }, { "mix_effect.frag", 13008, 1772 }, { "overlay_effect.frag", 14780, 929 }, { "padding_effect.frag", 15709, 843 }, { "resample_effect.frag", 16552, 2429 }, { "dither_effect.frag", 18981, 1561 }, { "deconvolution_sharpen_effect.frag", 20542, 1457 }, { "fft_pass_effect.frag", 21999, 952 }, { "vignette_effect.frag", 22951, 627 }, { "slice_effect.frag", 23578, 1078 }, { "complex_modulate_effect.frag", 24656, 331 }, { "luma_mix_effect.frag", 24987, 1795 }, { "ycbcr_conversion_effect.frag", 26782, 932 }, { "deinterlace_effect.frag", 27714, 8274 }, { "sandbox_effect.frag", 35988, 148 }, { "mirror_effect.frag", 36136, 101 }, { "multiply_effect.frag", 36237, 63 }, { "deinterlace_effect.comp", 36300, 8645 }, { "highlight_cutoff_effect.frag", 44945, 79 }, { "overlay_matte_effect.frag", 45024, 235 }, { nullptr, 0, 0 } }; const char *shader_bundle = "attribute vec2 position;\nattribute vec2 texcoord;\nvarying vec2 tc;\n\n// Will be overridden by compile_glsl_program() if needed.\n// (It cannot just be prepended, as #version must be before everything.)\n#define FLIP_ORIGIN 0\n\nvoid main()\n{\n\t// The result of glOrtho(0.0, 1.0, 0.0, 1.0, 0.0, 1.0) is:\n\t//\n\t// 2.000 0.000 0.000 -1.000\n\t// 0.000 2.000 0.000 -1.000\n\t// 0.000 0.000 -2.000 -1.000\n\t// 0.000 0.000 0.000 1.000\n\tgl_Position = vec4(2.0 * position.x - 1.0, 2.0 * position.y - 1.0, -1.0, 1.0);\n\ttc = texcoord;\n#if FLIP_ORIGIN\n\ttc.y = 1.0f - tc.y;\n#endif\n}\n#version 130\n\nin vec2 position;\nin vec2 texcoord;\nout vec2 tc;\n\n// Will be overridden by compile_glsl_program() if needed.\n// (It cannot just be prepended, as #version must be before everything.)\n#define FLIP_ORIGIN 0\n\nvoid main()\n{\n\t// The result of glOrtho(0.0, 1.0, 0.0, 1.0, 0.0, 1.0) is:\n\t//\n\t// 2.000 0.000 0.000 -1.000\n\t// 0.000 2.000 0.000 -1.000\n\t// 0.000 0.000 -2.000 -1.000\n\t// 0.000 0.000 0.000 1.000\n\tgl_Position = vec4(2.0 * position.x - 1.0, 2.0 * position.y - 1.0, -1.0, 1.0);\n\ttc = texcoord;\n#if FLIP_ORIGIN\n\ttc.y = 1.0f - tc.y;\n#endif\n}\n#version 150\n\nin vec2 position;\nin vec2 texcoord;\nout vec2 tc;\n\n// Will be overridden by compile_glsl_program() if needed.\n// (It cannot just be prepended, as #version must be before everything.)\n#define FLIP_ORIGIN 0\n\nvoid main()\n{\n\t// The result of glOrtho(0.0, 1.0, 0.0, 1.0, 0.0, 1.0) is:\n\t//\n\t// 2.000 0.000 0.000 -1.000\n\t// 0.000 2.000 0.000 -1.000\n\t// 0.000 0.000 -2.000 -1.000\n\t// 0.000 0.000 0.000 1.000\n\tgl_Position = vec4(2.0 * position.x - 1.0, 2.0 * position.y - 1.0, -1.0, 1.0);\n\ttc = texcoord;\n#if FLIP_ORIGIN\n\ttc.y = 1.0f - tc.y;\n#endif\n}\n#version 300 es\n\nprecision highp float;\n\nin vec2 position;\nin vec2 texcoord;\nout vec2 tc;\n\n// Will be overridden by compile_glsl_program() if needed.\n// (It cannot just be prepended, as #version must be before everything.)\n#define FLIP_ORIGIN 0\n\nvoid main()\n{\n\t// The result of glOrtho(0.0, 1.0, 0.0, 1.0, 0.0, 1.0) is:\n\t//\n\t// 2.000 0.000 0.000 -1.000\n\t// 0.000 2.000 0.000 -1.000\n\t// 0.000 0.000 -2.000 -1.000\n\t// 0.000 0.000 0.000 1.000\n\tgl_Position = vec4(2.0 * position.x - 1.0, 2.0 * position.y - 1.0, -1.0, 1.0);\n\ttc = texcoord;\n#if FLIP_ORIGIN\n\ttc.y = 1.0f - tc.y;\n#endif\n}\n#version 130\n\nin vec2 tc;\n\nvec4 tex2D(sampler2D s, vec2 coord)\n{\n\treturn texture(s, coord);\n}\n#version 150\n\nin vec2 tc;\n\nvec4 tex2D(sampler2D s, vec2 coord)\n{\n\treturn texture(s, coord);\n}\n#version 300 es\n\nprecision highp float;\n\nin vec2 tc;\n\nvec4 tex2D(sampler2D s, vec2 coord)\n{\n\treturn texture(s, coord);\n}\n#version 150\n#extension GL_ARB_compute_shader : enable\n#extension GL_ARB_shader_image_load_store : enable\n#extension GL_ARB_shader_image_size : enable\n\n// The texture the compute shader is writing to.\nuniform restrict writeonly image2D tex_outbuf;\n\n// Defined in footer.comp.\nvec4 tex2D(sampler2D s, vec2 coord);\nvoid cs_output(uvec2 coord, vec4 val);\nvoid cs_output(ivec2 coord, vec4 val);\n\n// Used if there are any steps used to postprocess compute shader output.\n// Initialized due to https://bugs.freedesktop.org/show_bug.cgi?id=103895.\nvec4 CS_OUTPUT_VAL = vec4(0.0);\n\n#define OUTPUT(tc, val) cs_output(tc, val)\n// GLSL is pickier than the C++ preprocessor in if-testing for undefined\n// tokens; do some fixups here to keep it happy.\n\n#ifndef YCBCR_OUTPUT_PLANAR\n#define YCBCR_OUTPUT_PLANAR 0\n#endif\n\n#ifndef YCBCR_OUTPUT_SPLIT_Y_AND_CBCR\n#define YCBCR_OUTPUT_SPLIT_Y_AND_CBCR 0\n#endif\n\n#ifndef SECOND_YCBCR_OUTPUT_PLANAR\n#define SECOND_YCBCR_OUTPUT_PLANAR 0\n#endif\n\n#ifndef SECOND_YCBCR_OUTPUT_SPLIT_Y_AND_CBCR\n#define SECOND_YCBCR_OUTPUT_SPLIT_Y_AND_CBCR 0\n#endif\n\n#ifndef SECOND_YCBCR_OUTPUT_INTERLEAVED\n#define SECOND_YCBCR_OUTPUT_INTERLEAVED 0\n#endif\n\n#ifndef YCBCR_ALSO_OUTPUT_RGBA\n#define YCBCR_ALSO_OUTPUT_RGBA 0\n#endif\n\n#ifndef SQUARE_ROOT_TRANSFORMATION\n#define SQUARE_ROOT_TRANSFORMATION 0\n#endif\n\n#if YCBCR_OUTPUT_PLANAR\nout vec4 Y, Cb, Cr;\n#elif YCBCR_OUTPUT_SPLIT_Y_AND_CBCR\nout vec4 Y, Chroma;\n#else\nout vec4 FragColor; // Y'CbCr or RGBA.\n#endif\n\n#if SECOND_YCBCR_OUTPUT_PLANAR\nout vec4 Y2, Cb2, Cr2;\n#elif SECOND_YCBCR_OUTPUT_SPLIT_Y_AND_CBCR\nout vec4 Y2, Chroma2;\n#elif SECOND_YCBCR_OUTPUT_INTERLEAVED\nout vec4 YCbCr2;\n#endif\n\n#if YCBCR_ALSO_OUTPUT_RGBA\nout vec4 RGBA;\n#endif\n\nvoid main()\n{\n#if YCBCR_ALSO_OUTPUT_RGBA\n\tvec4 color[2] = INPUT(tc);\n\tvec4 color0 = color[0];\n\tvec4 color1 = color[1];\n#else\n\tvec4 color0 = INPUT(tc);\n#endif\n\n#if SQUARE_ROOT_TRANSFORMATION\n\t// Make sure we don't give negative values to sqrt.\n\tcolor0.rgb = sqrt(max(color0.rgb, 0.0));\n#endif\n\n#if YCBCR_OUTPUT_PLANAR\n\tY = color0.rrra;\n\tCb = color0.ggga;\n\tCr = color0.bbba;\n#elif YCBCR_OUTPUT_SPLIT_Y_AND_CBCR\n\tY = color0.rrra;\n\tChroma = color0.gbba;\n#else\n\tFragColor = color0;\n#endif\n\n\t// Exactly the same, just with other outputs.\n\t// (GLSL does not allow arrays of outputs.)\n#if SECOND_YCBCR_OUTPUT_PLANAR\n\tY2 = color0.rrra;\n\tCb2 = color0.ggga;\n\tCr2 = color0.bbba;\n#elif SECOND_YCBCR_OUTPUT_SPLIT_Y_AND_CBCR\n\tY2 = color0.rrra;\n\tChroma2 = color0.gbba;\n#elif SECOND_YCBCR_OUTPUT_INTERLEAVED\n\tYCbCr2 = color0;\n#endif\n\n#if YCBCR_ALSO_OUTPUT_RGBA\n\tRGBA = color1;\n#endif\n}\n// Identity transformation (sometimes useful to do nothing).\nvec4 FUNCNAME(vec2 tc)\n{\n\treturn INPUT(tc);\n}\n// GLSL is pickier than the C++ preprocessor in if-testing for undefined\n// tokens; do some fixups here to keep it happy.\n\n#ifndef SQUARE_ROOT_TRANSFORMATION\n#define SQUARE_ROOT_TRANSFORMATION 0\n#endif\n\n#ifndef FLIP_ORIGIN\n#define FLIP_ORIGIN 0\n#endif\n\nvoid main()\n{\n\tINPUT();\n}\n\nvec4 tex2D(sampler2D s, vec2 coord)\n{\n\treturn texture(s, coord);\n}\n\nvoid cs_output(uvec2 coord, vec4 val)\n{\n\tcs_output(ivec2(coord), val);\n}\n\nvoid cs_output(ivec2 coord, vec4 val)\n{\n\t// Run the value through any postprocessing steps we might have.\n\t// Note that we need to give in the actual coordinates, since the\n\t// effect could have multiple (non-compute) inputs, and would also\n\t// be allowed to make effects based on the texture coordinate alone.\n\tCS_OUTPUT_VAL = val;\n\tval = CS_POSTPROC(NORMALIZE_TEXTURE_COORDS(coord));\n\n#if SQUARE_ROOT_TRANSFORMATION\n\t// Make sure we don't give negative values to sqrt.\n\tval.rgb = sqrt(max(val.rgb, 0.0));\n#endif\n\n#if FLIP_ORIGIN\n\tcoord.y = imageSize(tex_outbuf).y - coord.y - 1;\n#endif\n\n\timageStore(tex_outbuf, coord, val);\n}\n#version 130\n\nuniform sampler2D tex;\nin vec2 tc;\n\nout vec4 FragColor;\n\nvoid main()\n{\n\tFragColor = texture(tex, tc); // Second component is irrelevant.\n}\n#version 150\n\nuniform sampler2D tex;\nin vec2 tc;\n\nout vec4 FragColor;\n\nvoid main()\n{\n\tFragColor = texture(tex, tc); // Second component is irrelevant.\n}\n#version 300 es\n\nprecision highp float;\n\nuniform sampler2D tex;\nin vec2 tc;\n\nout vec4 FragColor;\n\nvoid main()\n{\n\tFragColor = texture(tex, tc); // Second component is irrelevant.\n}\n// Implicit uniforms:\n// uniform sampler2D PREFIX(tex);\n\nvec4 FUNCNAME(vec2 tc) {\n\t// OpenGL's origin is bottom-left, but most graphics software assumes\n\t// a top-left origin. Thus, for inputs that come from the user,\n\t// we flip the y coordinate.\n\ttc.y = 1.0 - tc.y;\n\n\tvec4 pixel = tex2D(PREFIX(tex), tc);\n\n\t// These two are #defined to 0 or 1 in flat_input.cpp.\n#if FIXUP_SWAP_RB\n\tpixel.rb = pixel.br;\n#endif\n#if FIXUP_RED_TO_GRAYSCALE\n\tpixel.gb = pixel.rr;\n#endif\n\treturn pixel;\n}\n\n#undef FIXUP_SWAP_RB\n#undef FIXUP_RED_TO_GRAYSCALE\n// Implicit uniforms:\n// uniform sampler2D PREFIX(tex_y);\n// uniform sampler2D PREFIX(tex_cbcr); // If CB_CR_SAME_TEXTURE.\n// uniform sampler2D PREFIX(tex_cb); // If not CB_CR_SAME_TEXTURE.\n// uniform sampler2D PREFIX(tex_cr); // If not CB_CR_SAME_TEXTURE.\n// uniform mat3 PREFIX(ycbcr_matrix);\n// uniform vec3 PREFIX(offset);\n// uniform vec2 PREFIX(cb_offset);\n// uniform vec2 PREFIX(cr_offset);\n\nvec4 FUNCNAME(vec2 tc) {\n\t// OpenGL's origin is bottom-left, but most graphics software assumes\n\t// a top-left origin. Thus, for inputs that come from the user,\n\t// we flip the y coordinate.\n\ttc.y = 1.0 - tc.y;\n\n\tvec3 ycbcr;\n#if Y_CB_CR_SAME_TEXTURE\n\tycbcr = tex2D(PREFIX(tex_y), tc).xyz;\n#else\n\tycbcr.x = tex2D(PREFIX(tex_y), tc).x;\n #if CB_CR_SAME_TEXTURE\n #if CB_CR_OFFSETS_EQUAL\n\tycbcr.yz = tex2D(PREFIX(tex_cbcr), tc + PREFIX(cb_offset)).xy;\n #else\n\tycbcr.y = tex2D(PREFIX(tex_cbcr), tc + PREFIX(cb_offset)).x;\n\tycbcr.z = tex2D(PREFIX(tex_cbcr), tc + PREFIX(cr_offset)).x;\n #endif\n #else\n\tycbcr.y = tex2D(PREFIX(tex_cb), tc + PREFIX(cb_offset)).x;\n\tycbcr.z = tex2D(PREFIX(tex_cr), tc + PREFIX(cr_offset)).x;\n #endif\n#endif\n\n\tycbcr -= PREFIX(offset);\n\n\tvec4 rgba;\n\trgba.rgb = PREFIX(inv_ycbcr_matrix) * ycbcr;\n\trgba.a = 1.0;\n\treturn rgba;\n}\n// Implicit uniforms:\n// uniform sampler2D PREFIX(tex_y);\n// uniform sampler2D PREFIX(tex_cbcr);\n\nvec4 FUNCNAME(vec2 tc) {\n\t// OpenGL's origin is bottom-left, but most graphics software assumes\n\t// a top-left origin. Thus, for inputs that come from the user,\n\t// we flip the y coordinate.\n\ttc.y = 1.0 - tc.y;\n\n\tvec3 ycbcr;\n\tycbcr.x = tex2D(PREFIX(tex_y), tc).y;\n#if CB_CR_OFFSETS_EQUAL\n\tvec2 tc_cbcr = tc;\n\ttc_cbcr.x += PREFIX(cb_offset_x);\n\tycbcr.yz = tex2D(PREFIX(tex_cbcr), tc_cbcr).xz;\n#else\n\tvec2 tc_cb = tc;\n\ttc_cb.x += PREFIX(cb_offset_x);\n\tycbcr.y = tex2D(PREFIX(tex_cbcr), tc_cb).x;\n\n\tvec2 tc_cr = tc;\n\ttc_cr.x += PREFIX(cr_offset_x);\n\tycbcr.z = tex2D(PREFIX(tex_cbcr), tc_cr).z;\n#endif\n\n\tycbcr -= PREFIX(offset);\n\n\tvec4 rgba;\n\trgba.rgb = PREFIX(inv_ycbcr_matrix) * ycbcr;\n\trgba.a = 1.0;\n\treturn rgba;\n}\n// Implicit uniforms:\n//\n// These are calculated in the host code to save some arithmetic.\n// uniform vec3 PREFIX(gain_pow_inv_gamma); // gain^(1/gamma).\n// uniform vec3 PREFIX(inv_gamma_22); // 2.2 / gamma.\n\nvec4 FUNCNAME(vec2 tc) {\n\tvec4 x = INPUT(tc);\n\n\tx.rgb /= x.aaa;\n\n\t// pow() of negative numbers is undefined, so clip out-of-gamut values.\n\tx.rgb = max(x.rgb, 0.0);\n\n\tx.rgb = pow(x.rgb, vec3(1.0/2.2));\n\tx.rgb += PREFIX(lift) * (vec3(1) - x.rgb);\n\n\t// Clip out-of-gamut values again.\n\tx.rgb = max(x.rgb, 0.0);\n\n\tx.rgb = pow(x.rgb, PREFIX(inv_gamma_22));\n\tx.rgb *= PREFIX(gain_pow_inv_gamma);\n\tx.rgb *= x.aaa;\n\n\treturn x;\n}\n// Implicit uniforms:\n// uniform mat3 PREFIX(correction_matrix);\n\nvec4 FUNCNAME(vec2 tc) {\n\tvec4 ret = INPUT(tc);\n\tret.rgb = PREFIX(correction_matrix) * ret.rgb;\n\treturn ret;\n}\n// Expand gamma curve.\n\n// Implicit uniforms:\n// uniform float PREFIX(linear_scale);\n// uniform float PREFIX(c)[5];\n// uniform float PREFIX(beta);\n\nvec4 FUNCNAME(vec2 tc) {\n\tvec4 x = INPUT(tc);\n\n\tvec3 a = x.rgb * PREFIX(linear_scale);\n\n\t// Fourth-order polynomial approximation to pow(). See the .cpp file for details.\n\tvec3 b = PREFIX(c[0]) + (PREFIX(c[1]) + (PREFIX(c[2]) + (PREFIX(c[3]) + PREFIX(c[4]) * x.rgb) * x.rgb) * x.rgb) * x.rgb;\n\n\tvec3 f = vec3(greaterThan(x.rgb, vec3(PREFIX(beta))));\n\tx = vec4(mix(a, b, f), x.a);\n\n\treturn x;\n}\n// Compress gamma curve.\n\n// Implicit uniforms:\n// uniform float PREFIX(linear_scale);\n// uniform float PREFIX(c)[5];\n// uniform float PREFIX(beta);\n\nvec4 FUNCNAME(vec2 tc) {\n\tvec4 x = INPUT(tc);\n\n\t// We could reasonably get values outside (0.0, 1.0), but the formulas below\n\t// are not valid outside that range, so clamp before we do anything else.\n\tx.rgb = clamp(x.rgb, 0.0, 1.0);\n\n\tvec3 a = x.rgb * PREFIX(linear_scale);\n\n\t// Fourth-order polynomial approximation to pow(). See the .cpp file for details.\n\tvec3 s = sqrt(x.rgb);\n\tvec3 b = PREFIX(c)[0] + (PREFIX(c)[1] + (PREFIX(c)[2] + (PREFIX(c)[3] + PREFIX(c)[4] * s) * s) * s) * s;\n\n\tvec3 f = vec3(greaterThan(x.rgb, vec3(PREFIX(beta))));\n\tx = vec4(mix(a, b, f), x.a);\n\n\treturn x;\n}\n// Colorspace conversion (needs to be done in linear space).\n// The matrix is computed on the host and baked into the shader at compile time.\n\nvec4 FUNCNAME(vec2 tc) {\n\tvec4 x = INPUT(tc);\n\tx.rgb = PREFIX(conversion_matrix) * x.rgb;\n\treturn x;\n}\nvec4 FUNCNAME(vec2 tc) {\n\tvec4 x = INPUT(tc);\n\tx.rgb *= x.aaa;\t\n\treturn x;\n}\n// Note: Division by zero will give inf or nan, whose conversion to\n// integer types is implementation-defined. However, anything is fine for\n// alpha=0, since that's undefined anyway.\nvec4 FUNCNAME(vec2 tc) {\n\tvec4 x = INPUT(tc);\n\tx.rgb /= x.aaa;\t\n\treturn x;\n}\n// Saturate/desaturate (in linear space).\n\nvec4 FUNCNAME(vec2 tc) {\n\tvec4 x = INPUT(tc);\n\n\tfloat luminance = dot(x.rgb, vec3(0.2126, 0.7152, 0.0722));\n\tx.rgb = mix(vec3(luminance), x.rgb, PREFIX(saturation));\n\n\treturn x;\n}\n// A simple un.directional blur.\n// DIRECTION_VERTICAL will be #defined to 1 if we are doing a vertical blur,\n// 0 otherwise.\n\n// Implicit uniforms:\n// uniform vec2 PREFIX(samples)[NUM_TAPS / 2 + 1];\n\nvec4 FUNCNAME(vec2 tc) {\n\tvec4 sum = vec4(PREFIX(samples)[0].y) * INPUT(tc);\n\tfor (int i = 1; i < NUM_TAPS / 2 + 1; ++i) {\n\t\tvec2 sample = PREFIX(samples)[i];\n\t\tvec2 sample1_tc = tc, sample2_tc = tc;\n#if DIRECTION_VERTICAL\n\t\tsample1_tc.y -= sample.x;\n\t\tsample2_tc.y += sample.x;\n#else\n\t\tsample1_tc.x -= sample.x;\n\t\tsample2_tc.x += sample.x;\n#endif\n\t\tsum += vec4(sample.y) * (INPUT(sample1_tc) + INPUT(sample2_tc));\n\t}\n\treturn sum;\n}\n\n#undef DIRECTION_VERTICAL\nvec4 FUNCNAME(vec2 tc) {\n\tvec4 first = INPUT1(tc);\n\tvec4 second = INPUT2(tc);\n\tvec4 result = vec4(PREFIX(strength_first)) * first + vec4(PREFIX(strength_second)) * second;\n\n\t// Clamping alpha at some stage, either here or in AlphaDivisionEffect,\n\t// is actually very important for some use cases. Consider, for instance,\n\t// the case where we have additive blending (strength_first = strength_second = 1),\n\t// and add two 50% gray 100% opaque (0.5, 0.5, 0.5, 1.0) pixels. Without\n\t// alpha clamping, we'd get (1.0, 1.0, 1.0, 2.0), which would then in\n\t// conversion to postmultiplied be divided back to (0.5, 0.5, 0.5)!\n\t// Clamping alpha to 1.0 fixes the problem, and we get the expected result\n\t// of (1.0, 1.0, 1.0). Similarly, adding (0.5, 0.5, 0.5, 0.5) to itself\n\t// yields (1.0, 1.0, 1.0, 1.0) (100% white 100% opaque), which makes sense.\n\t//\n\t// The classic way of doing additive blending with premultiplied alpha\n\t// is to give the additive component alpha=0, but this also doesn't make\n\t// sense in a world where we could end up postmultiplied; just consider\n\t// the case where we have first=(0, 0, 0, 0) (ie., completely transparent)\n\t// and second=(0.5, 0.5, 0.5, 0.5) (ie., white at 50% opacity).\n\t// Zeroing out the alpha of second would yield (0.5, 0.5, 0.5, 0.0),\n\t// which has undefined RGB values in postmultiplied storage; certainly\n\t// e.g. (0, 0, 0, 0) would not be an expected output. Also, it would\n\t// break the expectation that A+B = B+A.\n\t//\n\t// Note that we do _not_ clamp RGB, since it might be useful to have\n\t// out-of-gamut colors. We could choose to do the alpha clamping in\n\t// AlphaDivisionEffect instead, though; I haven't thought a lot about\n\t// if that would be better or not.\n\tresult.a = clamp(result.a, 0.0, 1.0);\n\n\treturn result;\n}\n// It's actually (but surprisingly) not correct to do a mix() here;\n// it would be if we had postmultiplied alpha and didn't have to worry\n// about alpha in the bottom layer, but given that we use premultiplied\n// alpha all over, top shouldn't actually be multiplied by anything.\n//\n// These formulas come from Wikipedia:\n//\n// http://en.wikipedia.org/wiki/Alpha_compositing\n//\n// We use the associative version given. However, note that since we want\n// _output_ to be premultiplied, C_o from Wikipedia is not what we want,\n// but rather c_o (which is not explicitly given, but obviously is just\n// C_o without the division by alpha_o).\n\nvec4 FUNCNAME(vec2 tc) {\n// SWAP_INPUTS will be #defined to 1 if we want to swap the two inputs,\n#if SWAP_INPUTS\n\tvec4 bottom = INPUT2(tc);\n\tvec4 top = INPUT1(tc);\n#else\n\tvec4 bottom = INPUT1(tc);\n\tvec4 top = INPUT2(tc);\n#endif\n\treturn top + (1.0 - top.a) * bottom;\n}\n\n#undef SWAP_INPUTS\n// Implicit uniforms:\n// uniform vec2 PREFIX(offset);\n// uniform vec2 PREFIX(scale);\n//\n// uniform vec2 PREFIX(normalized_coords_to_texels);\n// uniform vec2 PREFIX(offset_bottomleft);\n// uniform vec2 PREFIX(offset_topright);\n\nvec4 FUNCNAME(vec2 tc) {\n\ttc -= PREFIX(offset);\n\ttc *= PREFIX(scale);\n\n\tvec2 tc_texels = tc * PREFIX(normalized_coords_to_texels);\n\tvec2 coverage_bottomleft = clamp(tc_texels + PREFIX(offset_bottomleft), 0.0f, 1.0f);\n\tvec2 coverage_topright = clamp(PREFIX(offset_topright) - tc_texels, 0.0f, 1.0f);\n\tvec2 coverage_both = coverage_bottomleft * coverage_topright;\n\tfloat coverage = coverage_both.x * coverage_both.y;\n\n\tif (coverage <= 0.0f) {\n\t\t// Short-circuit in case the underlying function is expensive to call.\n\t\treturn PREFIX(border_color);\n\t} else {\n\t\treturn mix(PREFIX(border_color), INPUT(tc), coverage);\n\t}\n}\n// DIRECTION_VERTICAL will be #defined to 1 if we are scaling vertically,\n// and 0 otherwise.\n\n// Implicit uniforms:\n// uniform sampler2D PREFIX(sample_tex);\n// uniform int PREFIX(num_samples);\n// uniform float PREFIX(num_loops);\n// uniform float PREFIX(sample_x_scale);\n// uniform float PREFIX(sample_x_offset);\n// uniform float PREFIX(slice_height);\n\n// We put the fractional part of the offset (-0.5 to 0.5 pixels) in the weights\n// because we have to (otherwise they'd do nothing). However, the support texture\n// has limited numerical precision; we'd need as much of it as we can for\n// getting the subpixel sampling right, and adding a large constant to each value\n// will reduce the precision further. Thus, the non-fractional part of the offset\n// is sent in through a uniform that we simply add in. (It should be said that\n// for high values of (dst_size/num_loop), we're pretty much hosed anyway wrt.\n// this accuracy.)\n//\n// Unfortunately, we cannot just do it at the beginning of the shader,\n// since the texcoord value is used to index into the support texture,\n// and if zoom != 1, the support texture will not wrap properly, causing\n// us to read the wrong texels. (Also remember that whole_pixel_offset is\n// measured in _input_ pixels and tc is in _output_ pixels, although we could\n// compensate for that.) However, the shader should be mostly bandwidth bound\n// and not ALU bound, so an extra add per sample shouldn't be too hopeless.\n//\n// Implicitly declared:\n// uniform float PREFIX(whole_pixel_offset);\n\n// Sample a single weight. First fetch information about where to sample\n// and the weight from sample_tex, and then read the pixel itself.\nvec4 PREFIX(do_sample)(vec2 tc, int i)\n{\n\tvec2 sample_tc;\n\tsample_tc.x = float(i) * PREFIX(sample_x_scale) + PREFIX(sample_x_offset);\n#if DIRECTION_VERTICAL\n\tsample_tc.y = tc.y * PREFIX(num_loops);\n#else\n\tsample_tc.y = tc.x * PREFIX(num_loops);\n#endif\n\tvec2 sample = tex2D(PREFIX(sample_tex), sample_tc).rg;\n\n#if DIRECTION_VERTICAL\n\ttc.y = sample.g + (floor(sample_tc.y) * PREFIX(slice_height) + PREFIX(whole_pixel_offset));\n#else\n\ttc.x = sample.g + (floor(sample_tc.y) * PREFIX(slice_height) + PREFIX(whole_pixel_offset));\n#endif\n\treturn vec4(sample.r) * INPUT(tc);\n}\n\nvec4 FUNCNAME(vec2 tc) {\n\tvec4 sum = PREFIX(do_sample)(tc, 0);\n\tfor (int i = 1; i < PREFIX(num_samples); ++i) {\n\t\tsum += PREFIX(do_sample)(tc, i);\n\t}\n\treturn sum;\n}\n\n#undef DIRECTION_VERTICAL\n// Implicit uniforms:\n// uniform sampler2D PREFIX(dither_tex);\n// uniform vec2 PREFIX(tc_scale);\n// uniform float PREFIX(round_fac), PREFIX(inv_round_fac);\n\n// See footer.frag for details about this if statement.\n#ifndef YCBCR_ALSO_OUTPUT_RGBA\n#define YCBCR_ALSO_OUTPUT_RGBA 0\n#endif\n\n#if YCBCR_ALSO_OUTPUT_RGBA\n\n// There are two values to dither; otherwise, exactly the same as the algorithm below\n// (so comments are not duplicated).\n\nvec4[2] FUNCNAME(vec2 tc) {\n\tvec4[2] result = INPUT(tc);\n\tfloat d = tex2D(PREFIX(dither_tex), tc * PREFIX(tc_scale)).x;\n\tresult[0].rgb += vec3(d);\n\tresult[1].rgb += vec3(d);\n\n#if NEED_EXPLICIT_ROUND\n\tresult[0] = round(result[0] * vec4(PREFIX(round_fac))) * vec4(PREFIX(inv_round_fac));\n\tresult[1] = round(result[1] * vec4(PREFIX(round_fac))) * vec4(PREFIX(inv_round_fac));\n#endif\n\n\treturn result;\n}\n\n#else\n\nvec4 FUNCNAME(vec2 tc) {\n\tvec4 result = INPUT(tc);\n\tfloat d = tex2D(PREFIX(dither_tex), tc * PREFIX(tc_scale)).x;\n\n\t// Don't dither alpha; the case of alpha=255 (1.0) is very important to us,\n\t// and if there's any inaccuracy earlier in the chain so that it becomes e.g.\n\t// 254.8, it's better to just get it rounded off than to dither and have it\n\t// possibly get down to 254. This is not the case for the color components.\n\tresult.rgb += vec3(d);\n\n\t// NEED_EXPLICIT_ROUND will be #defined to 1 if the GPU has inaccurate\n\t// fp32 -> int8 framebuffer rounding, and 0 otherwise.\n#if NEED_EXPLICIT_ROUND\n\tresult = round(result * vec4(PREFIX(round_fac))) * vec4(PREFIX(inv_round_fac));\n#endif\n\n\treturn result;\n}\n\n#endif\n// Implicit uniforms:\n// uniform vec4 PREFIX(samples)[(R + 1) * (R + 1)];\n\nvec4 FUNCNAME(vec2 tc) {\n\t// The full matrix has five different symmetry cases, that look like this:\n\t//\n\t// D D D C D D D\n\t// D D D C D D D\n\t// D D D C D D D\n\t// B B B A B B B\n\t// D D D C D D D\n\t// D D D C D D D\n\t// D D D C D D D\n\t//\n\t// We only store the lower-right part of the matrix:\n\t//\n\t// A B B B \n\t// C D D D\n\t// C D D D\n\t// C D D D\n\n\t// Case A: Top-left sample has no symmetry.\n\tvec4 sum = PREFIX(samples)[0].z * INPUT(tc);\n\n\t// Case B: Uppermost samples have left/right symmetry.\n\tfor (int x = 1; x <= R; ++x) {\n\t\tvec4 sample = PREFIX(samples)[x];\n\t\tsum += sample.z * (INPUT(tc - sample.xy) + INPUT(tc + sample.xy));\n\t}\n\n\t// Case C: Leftmost samples have top/bottom symmetry.\n\tfor (int y = 1; y <= R; ++y) {\n\t\tvec4 sample = PREFIX(samples)[y * (R + 1)];\n\t\tsum += sample.z * (INPUT(tc - sample.xy) + INPUT(tc + sample.xy));\n\t}\n\n\t// Case D: All other samples have four-way symmetry.\n\t// (Actually we have eight-way, but since we are using normalized\n\t// coordinates, we can't just flip x and y.)\n\tfor (int y = 1; y <= R; ++y) {\n\t\tfor (int x = 1; x <= R; ++x) {\n\t\t\tvec4 sample = PREFIX(samples)[y * (R + 1) + x];\n\t\t\tvec2 mirror_sample = vec2(sample.x, -sample.y);\n\n\t\t\tvec4 local_sum = INPUT(tc - sample.xy) + INPUT(tc + sample.xy);\n\t\t\tlocal_sum += INPUT(tc - mirror_sample.xy) + INPUT(tc + mirror_sample.xy);\n\t\t\tsum += sample.z * local_sum;\n\t\t}\n\t}\n\n\treturn sum;\n}\n\n#undef R\n// DIRECTION_VERTICAL will be #defined to 1 if we are doing a vertical FFT,\n// and 0 otherwise.\n\n// Implicit uniforms:\n// uniform float PREFIX(num_repeats);\n// uniform sampler2D PREFIX(support_tex);\n\nvec4 FUNCNAME(vec2 tc) {\n#if DIRECTION_VERTICAL\n\tvec4 support = tex2D(PREFIX(support_tex), vec2(tc.y * PREFIX(num_repeats), 0.0));\n vec4 c1 = INPUT(vec2(tc.x, tc.y + support.x));\n vec4 c2 = INPUT(vec2(tc.x, tc.y + support.y));\n#else\n\tvec4 support = tex2D(PREFIX(support_tex), vec2(tc.x * PREFIX(num_repeats), 0.0));\n vec4 c1 = INPUT(vec2(tc.x + support.x, tc.y));\n vec4 c2 = INPUT(vec2(tc.x + support.y, tc.y));\n#endif\n\t// Two complex additions and multiplications in parallel; essentially\n\t//\n\t// result.xy = c1.xy + twiddle * c2.xy\n\t// result.zw = c1.zw + twiddle * c2.zw\n\t//\n\t// where * is complex multiplication.\n\treturn c1 + support.z * c2 + support.w * vec4(-c2.y, c2.x, -c2.w, c2.z);\n}\n\n#undef DIRECTION_VERTICAL\n// A simple, circular vignette, with a cos\0302\0262 falloff.\n\n// Implicit uniforms:\n// uniform float PREFIX(pihalf_div_radius);\n//\n// uniform vec2 PREFIX(aspect_correction);\n// uniform vec2 PREFIX(flipped_center);\n\nvec4 FUNCNAME(vec2 tc) {\n\tvec4 x = INPUT(tc);\n\n\tconst float pihalf = 0.5 * 3.14159265358979324;\n\n\tvec2 normalized_pos = (tc - PREFIX(flipped_center)) * PREFIX(aspect_correction);\n\tfloat dist = (length(normalized_pos) - PREFIX(inner_radius)) * PREFIX(pihalf_div_radius);\n\tfloat linear_falloff = clamp(dist, 0.0, pihalf);\n\tfloat falloff = cos(linear_falloff) * cos(linear_falloff);\n\tx.rgb *= vec3(falloff);\n\n\treturn x;\n}\n// Implicit uniforms:\n// uniform float PREFIX(output_coord_to_slice_num);\n// uniform float PREFIX(slice_num_to_input_coord);\n// uniform float PREFIX(slice_offset_to_input_coord);\n// uniform float PREFIX(normalized_offset);\n \nvec4 FUNCNAME(vec2 tc) {\n\t// DIRECTION_VERTICAL will be #defined to 1 if we are expanding vertically,\n\t// and 0 otherwise.\n#if DIRECTION_VERTICAL\n\tfloat sliced_coord = 1.0 - tc.y;\n#else\n\tfloat sliced_coord = tc.x;\n#endif\n\n\t// Find out which slice we are in, and a 0..1 coordinate for the offset within that slice.\n\tfloat slice_num = floor(sliced_coord * PREFIX(output_coord_to_slice_num));\n\tfloat slice_offset = fract(sliced_coord * PREFIX(output_coord_to_slice_num));\n\n\t// Find out where this slice begins in the input data, and then offset from that.\n\tfloat input_coord = slice_num * PREFIX(slice_num_to_input_coord) + slice_offset * PREFIX(slice_offset_to_input_coord) + PREFIX(normalized_offset);\n\n#if DIRECTION_VERTICAL\n\treturn INPUT(vec2(tc.x, 1.0 - input_coord));\n#else\n\treturn INPUT(vec2(input_coord, tc.y));\n#endif\n}\n\n#undef DIRECTION_VERTICAL\n// Implicit uniforms:\n// uniform vec2 PREFIX(num_repeats);\n\nvec4 FUNCNAME(vec2 tc) {\n\tvec4 pixel = INPUT1(tc);\n\tvec2 pattern = INPUT2(tc * PREFIX(num_repeats)).xy;\n\n\t// Complex multiplication between each of (pixel.xy, pixel.zw) and pattern.xy.\n\treturn pattern.x * pixel + pattern.y * vec4(-pixel.y, pixel.x, -pixel.w, pixel.z);\n}\n// Implicit uniforms:\n// uniform float PREFIX(progress_mul_w_plus_one);\n// uniform bool PREFIX(bool_inverse);\n\nvec4 FUNCNAME(vec2 tc) {\n\tvec4 first = INPUT1(tc);\n\tvec4 second = INPUT2(tc);\n\n\t// We treat the luma as going from 0 to w, where w is the transition width\n\t// (wider means the boundary between transitioned and non-transitioned\n\t// will be harder, while w=0 is essentially just a straight fade).\n\t// We need to map this 0..w range in the luma image to a (clamped) 0..1\n\t// range for how far this pixel has come in a fade. At the very\n\t// beginning, we can visualize it like this, where every pixel is in\n\t// the state 0.0 (100% first image, 0% second image):\n\t//\n\t// 0 w\n\t// luma: |---------------------|\n\t// mix: |----|\n\t// 0 1\n\t//\n\t// Then as we progress, eventually the luma range should move to the right\n\t// so that more pixels start moving towards higher mix value:\n\t//\n\t// 0 w\n\t// luma: |---------------------|\n\t// mix: |----|\n\t// 0 1\n\t//\n\t// and at the very end, all pixels should be in the state 1.0 (0% first image,\n\t// 100% second image):\n\t//\n\t// 0 w\n\t// luma: |---------------------|\n\t// mix: |----|\n\t// 0 1\n\t//\n\t// So clearly, it should move (w+1) units to the right, and apart from that\n\t// just stay a simple mapping.\n\tfloat w = PREFIX(transition_width);\n\tfloat luma = INPUT3(tc).x;\n\tif (PREFIX(bool_inverse)) {\n\t\tluma = 1.0 - luma;\n\t}\n\tfloat m = clamp((luma * w - w) + PREFIX(progress_mul_w_plus_one), 0.0, 1.0);\n\n\treturn mix(first, second, m);\n}\n// See footer.frag for details about this if statement.\n#ifndef YCBCR_ALSO_OUTPUT_RGBA\n#define YCBCR_ALSO_OUTPUT_RGBA 0\n#endif\n\n#if YCBCR_ALSO_OUTPUT_RGBA\nvec4[2] FUNCNAME(vec2 tc) {\n#else\nvec4 FUNCNAME(vec2 tc) {\n#endif\n\tvec4 rgba = INPUT(tc);\n\tvec4 ycbcr_a;\n\n\tycbcr_a.rgb = PREFIX(ycbcr_matrix) * rgba.rgb + PREFIX(offset);\n\n\tif (PREFIX(clamp_range)) {\n\t\t// If we use limited-range Y'CbCr, the card's usual 0\0342\0200\0223255 clamping\n\t\t// won't be enough, so we need to clamp ourselves here.\n\t\t//\n\t\t// We clamp before dither, which is a bit unfortunate, since\n\t\t// it means dither can take us out of the clamped range again.\n\t\t// However, since DitherEffect never adds enough dither to change\n\t\t// the quantized levels, we will be fine in practice.\n\t\tycbcr_a.rgb = clamp(ycbcr_a.rgb, PREFIX(ycbcr_min), PREFIX(ycbcr_max));\n\t}\n\n\tycbcr_a.a = rgba.a;\n\n#if YCBCR_ALSO_OUTPUT_RGBA\n\treturn vec4[2](ycbcr_a, rgba);\n#else\n\treturn ycbcr_a;\n#endif\n}\n// Implicit uniforms:\n// uniform int PREFIX(current_field_position);\n// uniform float PREFIX(num_lines);\n// uniform float PREFIX(self_offset);\n// uniform float PREFIX(inv_width);\n// uniform float PREFIX(current_offset)[2];\n// uniform float PREFIX(other_offset)[3];\n\n// The best explanation of YADIF that I've seen is actually a pseudocode\n// reimplementation from the Doom9 forum:\n//\n// http://forum.doom9.org/showthread.php?p=980375#post980375\n//\n// We generally follow its terminology instead of the original C source\n// (which I'll refer to as \0342\0200\0234C YADIF\0342\0200\0235), although I've used the C source as a\n// reference to double-check at times. We're not bit-exact the same as\n// C YADIF; in particular, we work in linear light, and left/right edge\n// handling might also be a bit different (for top/bottom edge handling,\n// C YADIF repeats texels like we do). Also, C YADIF generally works on\n// Y', Cb and Cr planes separately, while we work on the entire RGBA triplet\n// and do our spatial interpolation decisions based on the pixel as a whole,\n// so our decision metric also naturally becomes different.\n\n#define DIFF(s1, s2) dot((s1) - (s2), (s1) - (s2))\n\nvec4 FUNCNAME(vec2 tc) {\n\tint yi = int(round(tc.y * PREFIX(num_lines) - 0.5f));\n\n\t// Figure out if we just want to keep the current line or if\n\t// we need to interpolate. This branch is obviously divergent,\n\t// but the very nature of deinterlacing would seem to require that.\n\t//\n\t// Note that since we have bottom-left origin, yi % 2 will return 0\n\t// for bottom and 1 for top.\n\tif ((yi % 2) != PREFIX(current_field_position)) {\n\t\treturn INPUT3(vec2(tc.x, tc.y + PREFIX(self_offset)));\n\t}\n\n\t// First, estimate the current pixel from the neighboring pixels in the\n\t// same field (spatial interpolation). We try first 0 degrees (straight\n\t// up/down), then \0302\026145 degrees and then finally \0302\026163 degrees. The best of\n\t// these, as determined by the \0342\0200\0234spatial score\0342\0200\0235 (basically sum of squared\n\t// differences in three neighboring pixels), is kept.\n\t//\n\t// The C version of YADIF goesn't check +63\0302\0260 unless +45\0302\0260 gave an improvement,\n\t// and similarly not -63\0302\0260 unless -45\0302\0260 did. The MMX version goes through pains\n\t// to simulate the same, but notes that it \0342\0200\0234hurts both quality and speed\0342\0200\0235.\n\t// We're not bit-exact the same as the C version anyway, and not sampling\n\t// \0302\026163\0302\0260 would probably be a rather divergent branch, so we just always do it.\n\n\t// a b c d e f g \0342\0206\0221 y\n\t// x |\n\t// h i j k l m n +--> x\n\n\tvec2 a_pos = vec2(tc.x - 3.0 * PREFIX(inv_width), tc.y + PREFIX(current_offset)[1]);\n\tvec2 b_pos = vec2(tc.x - 2.0 * PREFIX(inv_width), a_pos.y);\n\tvec2 c_pos = vec2(tc.x - PREFIX(inv_width), a_pos.y);\n\tvec2 d_pos = vec2(tc.x, a_pos.y);\n\tvec2 e_pos = vec2(tc.x + PREFIX(inv_width), a_pos.y);\n\tvec2 f_pos = vec2(tc.x + 2.0 * PREFIX(inv_width), a_pos.y);\n\tvec2 g_pos = vec2(tc.x + 3.0 * PREFIX(inv_width), a_pos.y);\n\n\tvec2 h_pos = vec2(tc.x - 3.0 * PREFIX(inv_width), tc.y + PREFIX(current_offset)[0]);\n\tvec2 i_pos = vec2(tc.x - 2.0 * PREFIX(inv_width), h_pos.y);\n\tvec2 j_pos = vec2(tc.x - PREFIX(inv_width), h_pos.y);\n\tvec2 k_pos = vec2(tc.x, h_pos.y);\n\tvec2 l_pos = vec2(tc.x + PREFIX(inv_width), h_pos.y);\n\tvec2 m_pos = vec2(tc.x + 2.0 * PREFIX(inv_width), h_pos.y);\n\tvec2 n_pos = vec2(tc.x + 3.0 * PREFIX(inv_width), h_pos.y);\n\n\tvec4 a = INPUT3(a_pos);\n\tvec4 b = INPUT3(b_pos);\n\tvec4 c = INPUT3(c_pos);\n\tvec4 d = INPUT3(d_pos);\n\tvec4 e = INPUT3(e_pos);\n\tvec4 f = INPUT3(f_pos);\n\tvec4 g = INPUT3(g_pos);\n\tvec4 h = INPUT3(h_pos);\n\tvec4 i = INPUT3(i_pos);\n\tvec4 j = INPUT3(j_pos);\n\tvec4 k = INPUT3(k_pos);\n\tvec4 l = INPUT3(l_pos);\n\tvec4 m = INPUT3(m_pos);\n\tvec4 n = INPUT3(n_pos);\n\n\t// 0 degrees. Note that pred is actually twice the real spatial prediction;\n\t// we halve it later to same some arithmetic. Also, our spatial score is not\n\t// the same as in C YADIF; we use the total squared sum over all four\n\t// channels instead of deinterlacing each channel separately.\n\t//\n\t// Note that there's a small, arbitrary bonus for this first alternative,\n\t// so that vertical interpolation wins if everything else is equal.\n\tvec4 pred = d + k;\n\tfloat score;\n\tfloat best_score = DIFF(c, j) + DIFF(d, k) + DIFF(e, l) - 1e-4;\n\n\t// -45 degrees.\n\tscore = DIFF(b, k) + DIFF(c, l) + DIFF(d, m);\n\tif (score < best_score) {\n\t\tpred = c + l;\n\t\tbest_score = score;\n\t}\n\n\t// -63 degrees.\n\tscore = DIFF(a, l) + DIFF(b, m) + DIFF(c, n);\n\tif (score < best_score) {\n\t\tpred = b + m;\n\t\tbest_score = score;\n\t}\n\n\t// +45 degrees.\n\tscore = DIFF(d, i) + DIFF(e, j) + DIFF(f, k);\n\tif (score < best_score) {\n\t\tpred = e + j;\n\t\tbest_score = score;\n\t}\n\n\t// +63 degrees.\n\tscore = DIFF(e, h) + DIFF(f, i) + DIFF(g, j);\n\tif (score < best_score) {\n\t\tpred = f + i;\n\t\t// best_score isn't used anymore.\n\t}\n\n\tpred *= 0.5f;\n\n\t// Now we do a temporal prediction (p2) of this pixel based on the previous\n\t// and next fields. The spatial prediction is clamped so that it is not\n\t// too far from this temporal prediction, where \0342\0200\0234too far\0342\0200\0235 is based on\n\t// the amount of local temporal change. (In other words, the temporal prediction\n\t// is the safe choice, and the question is how far away from that we'll let\n\t// our spatial choice run.) Note that here, our difference metric\n\t// _is_ the same as C YADIF, namely per-channel abs.\n\t//\n\t// The sample positions look like this; in order to avoid variable name conflicts\n\t// with the spatial interpolation, we use uppercase names. x is, again,\n\t// the current pixel we're trying to estimate.\n\t//\n\t// C H \0342\0206\0221 y\n\t// A F K |\n\t// D x I |\n\t// B G L |\n\t// E J +-----> time\n\t//\n\tvec2 AFK_pos = d_pos;\n\tvec2 BGL_pos = k_pos;\n\tvec4 A = INPUT1(AFK_pos);\n\tvec4 B = INPUT1(BGL_pos);\n\tvec4 F = d;\n\tvec4 G = k;\n\tvec4 K = INPUT5(AFK_pos);\n\tvec4 L = INPUT5(BGL_pos);\n\n\tvec2 CH_pos = vec2(tc.x, tc.y + PREFIX(other_offset)[2]);\n\tvec2 DI_pos = vec2(tc.x, tc.y + PREFIX(other_offset)[1]);\n\tvec2 EJ_pos = vec2(tc.x, tc.y + PREFIX(other_offset)[0]);\n\n\tvec4 C = INPUT2(CH_pos);\n\tvec4 D = INPUT2(DI_pos);\n\tvec4 E = INPUT2(EJ_pos);\n\n\tvec4 H = INPUT4(CH_pos);\n\tvec4 I = INPUT4(DI_pos);\n\tvec4 J = INPUT4(EJ_pos);\n\n\t// Find temporal differences around this line, using all five fields.\n\t// tdiff0 is around the current field, tdiff1 is around the previous one,\n\t// tdiff2 is around the next one.\n\tvec4 tdiff0 = abs(D - I);\n\tvec4 tdiff1 = abs(A - F) + abs(B - G); // Actually twice tdiff1.\n\tvec4 tdiff2 = abs(K - F) + abs(L - G); // Actually twice tdiff2.\n\tvec4 diff = max(tdiff0, 0.5f * max(tdiff1, tdiff2));\n\n\t// The following part is the spatial interlacing check, which loosens up the\n\t// allowable temporal change. (See also the comments in the .h file.)\n\t// It costs us four extra loads (C, E, H, J) and a few extra ALU ops;\n\t// we're already very load-heavy, so the extra ALU is effectively free.\n\t// It costs about 18% performance in some benchmarks, which squares\n\t// well with going from 20 to 24 loads (a 20% increase), although for\n\t// total overall performance in longer chains, the difference is nearly zero.\n\t//\n\t// The basic idea is seemingly to allow more change if there are large spatial\n\t// vertical changes, even if there are few temporal changes. These differences\n\t// are signed, though, which make it more tricky to follow, although they seem\n\t// to reduce into some sort of pseudo-abs. I will not claim to understand them\n\t// very well.\n\t//\n\t// We start by temporally interpolating the current vertical line (p0\0342\0200\0223p4):\n\t//\n\t// C p0 H \0342\0206\0221 y\n\t// A p1 K |\n\t// D p2 I |\n\t// B p3 L |\n\t// E p4 J +-----> time\n\t//\n\t// YADIF_ENABLE_SPATIAL_INTERLACING_CHECK will be #defined to 1\n\t// if the check is enabled. Otherwise, the compiler should\n\t// be able to remove the dependent code quite easily.\n\tvec4 p0 = 0.5f * (C + H);\n\tvec4 p1 = F;\n\tvec4 p2 = 0.5f * (D + I);\n\tvec4 p3 = G;\n\tvec4 p4 = 0.5f * (E + J);\n\n#if YADIF_ENABLE_SPATIAL_INTERLACING_CHECK\n\tvec4 max_ = max(max(p2 - p3, p2 - p1), min(p0 - p1, p4 - p3));\n\tvec4 min_ = min(min(p2 - p3, p2 - p1), max(p0 - p1, p4 - p3));\n\tdiff = max(diff, max(min_, -max_));\n#endif\n\n\treturn clamp(pred, p2 - diff, p2 + diff);\n}\n\n#undef DIFF\n#undef YADIF_ENABLE_SPATIAL_INTERLACING_CHECK\nvec4 FUNCNAME(vec2 tc) {\n\t// Your code goes here, obviously.\n\t// You can use PREFIX(parm) to access the parameter you gave in.\n\treturn INPUT(tc);\n}\n// Mirrors the image horizontally.\nvec4 FUNCNAME(vec2 tc)\n{\n\ttc.x = 1.0 - tc.x;\n\treturn INPUT(tc);\n}\nvec4 FUNCNAME(vec2 tc) {\n\treturn INPUT(tc) * PREFIX(factor);\n}\n// Implicit uniforms:\n// uniform int PREFIX(current_field_position);\n// uniform float PREFIX(inv_width);\n// uniform float PREFIX(inv_height);\n// uniform float PREFIX(current_field_vertical_offset);\n\n// Compute shader implementation of DeinterlaceEffect. See the fragment\n// shader implementation (deinterlace_effect.frag) for comments about the\n// algorithm; comments here will mainly be about issues specific to the\n// compute shader implementation.\n\n#define DIFF(s1, s2) dot((s1) - (s2), (s1) - (s2))\n\n// In input pixels (so output will be 8x32). Corresponds to get_compute_dimensions()\n// in the C++ code. It is illogical that 8x32 would be better than e.g. 32x8,\n// since we reuse more data horizontally, but especially Intel cards are much more\n// happy about this for whatever reason.\n#define GROUP_W 8\n#define GROUP_H 16\n\n// When sampling from the current field (spatial interpolation below), we have\n// a fringe of three pixels on the left and right sides, so we need to load\n// more. We also have one pixel above and below, although our destination pixel\n// is squeezed in the middle of them (they don't overlap), so we only need one\n// extra pixel.\n#define GROUP_W_FRINGE (GROUP_W + 6)\n#define GROUP_H_FRINGE (GROUP_H + 1)\n\nlayout(local_size_x = GROUP_W, local_size_y = GROUP_H) in;\n\n#if (GROUP_W_FRINGE * GROUP_H_FRINGE) > (GROUP_W * (GROUP_H + 2))\n#define TEMP_NUM_ELEM (GROUP_W_FRINGE * GROUP_H_FRINGE)\n#else\n#define TEMP_NUM_ELEM (GROUP_W * (GROUP_H + 2))\n#endif\n\nshared vec4 temp[TEMP_NUM_ELEM];\n\n#if TEMP_NUM_ELEM > (GROUP_W * GROUP_H * 2)\n#error Not enough threads to load all data in two loads\n#endif\n\n// Load a WxH block of samples. We need to do this in two phases,\n// since we have more input samples than we have output samples (threads);\n// in the second phase, some threads will be idle.\n#define LOAD_PIXEL_BLOCK(base_tc, block_width, block_height, func) \\\n{ \\\n\tmemoryBarrierShared(); \\\n\tbarrier(); \\\n\tint thread_id = int(gl_LocalInvocationID.y) * GROUP_W + int(gl_LocalInvocationID.x); \\\n\t{ \\\n\t\tint x = thread_id % (block_width); \\\n\t\tint y = thread_id / (block_width); \\\n\t\ttemp[thread_id] = func(vec2((base_tc).x + x * PREFIX(inv_width), \\\n\t\t (base_tc).y + y * PREFIX(inv_height))); \\\n\t} \\\n\tconst int num_threads = GROUP_W * GROUP_H; \\\n\tif (thread_id + num_threads < (block_width) * (block_height)) { \\\n\t\tint x = (thread_id + num_threads) % (block_width); \\\n\t\tint y = (thread_id + num_threads) / (block_width); \\\n\t\ttemp[thread_id + num_threads] = \\\n\t\t\tfunc(vec2((base_tc).x + x * PREFIX(inv_width), \\\n\t\t (base_tc).y + y * PREFIX(inv_height))); \\\n\t} \\\n\tmemoryBarrierShared(); \\\n\tbarrier(); \\\n}\n\nvoid FUNCNAME() {\n\t// The current thread is responsible for output of two pixels, namely (x,2y)\n\t// and (x,2y+1). One will be an unmodified one, the other one will be the\n\t// pixel we are trying to interpolate. If TFF (current_field_position==0),\n\t// the unmodified one is 2y+1 (remember OpenGL's bottom-left convention),\n\t// and if BFF, the unmodified one is 2y. So we need to invert current_field_position\n\t// to figure out which value to add.\n\tint yi = int(gl_GlobalInvocationID.y) * 2 + (PREFIX(current_field_position) ^ 1);\n\n\t// Load in data for the current field. current_offset signals where the block\n\t// starts vertically; see set_gl_state() in the C++ code.\n\tvec2 base_tc = vec2((gl_WorkGroupID.x * uint(GROUP_W) + (0.5f - 3.0f)) * PREFIX(inv_width),\n\t (gl_WorkGroupID.y * uint(GROUP_H) + 0.5f) * PREFIX(inv_height) + PREFIX(current_field_vertical_offset));\n\tLOAD_PIXEL_BLOCK(base_tc, GROUP_W_FRINGE, GROUP_H_FRINGE, INPUT3);\n\n\tint lx = int(gl_LocalInvocationID.x) + 3;\n\tint ly = int(gl_LocalInvocationID.y);\n\n\t// Output the unmodified pixel. For TFF (current_field_position == 0),\n\t// we have an extra pixel on the bottom that we're only using for interpolation\n\t// (it's being output by another workgroup), so we have to add 1.\n\tvec4 val = temp[(ly + (PREFIX(current_field_position) ^ 1)) * GROUP_W_FRINGE + lx];\n\tOUTPUT(ivec2(gl_GlobalInvocationID.x, yi), val);\n\n\t// a b c d e f g \0342\0206\0221 y\n\t// x |\n\t// h i j k l m n +--> x\n\n\tvec4 a = temp[(ly + 1) * GROUP_W_FRINGE + lx - 3];\n\tvec4 b = temp[(ly + 1) * GROUP_W_FRINGE + lx - 2];\n\tvec4 c = temp[(ly + 1) * GROUP_W_FRINGE + lx - 1];\n\tvec4 d = temp[(ly + 1) * GROUP_W_FRINGE + lx];\n\tvec4 e = temp[(ly + 1) * GROUP_W_FRINGE + lx + 1];\n\tvec4 f = temp[(ly + 1) * GROUP_W_FRINGE + lx + 2];\n\tvec4 g = temp[(ly + 1) * GROUP_W_FRINGE + lx + 3];\n\n\tvec4 h = temp[ly * GROUP_W_FRINGE + lx - 3];\n\tvec4 i = temp[ly * GROUP_W_FRINGE + lx - 2];\n\tvec4 j = temp[ly * GROUP_W_FRINGE + lx - 1];\n\tvec4 k = temp[ly * GROUP_W_FRINGE + lx];\n\tvec4 l = temp[ly * GROUP_W_FRINGE + lx + 1];\n\tvec4 m = temp[ly * GROUP_W_FRINGE + lx + 2];\n\tvec4 n = temp[ly * GROUP_W_FRINGE + lx + 3];\n\n\t// 0 degrees.\n\tvec4 pred = d + k;\n\tfloat score;\n\tfloat best_score = DIFF(c, j) + DIFF(d, k) + DIFF(e, l) - 1e-4;\n\n\t// -45 degrees.\n\tscore = DIFF(b, k) + DIFF(c, l) + DIFF(d, m);\n\tif (score < best_score) {\n\t\tpred = c + l;\n\t\tbest_score = score;\n\t}\n\n\t// -63 degrees.\n\tscore = DIFF(a, l) + DIFF(b, m) + DIFF(c, n);\n\tif (score < best_score) {\n\t\tpred = b + m;\n\t\tbest_score = score;\n\t}\n\n\t// +45 degrees.\n\tscore = DIFF(d, i) + DIFF(e, j) + DIFF(f, k);\n\tif (score < best_score) {\n\t\tpred = e + j;\n\t\tbest_score = score;\n\t}\n\n\t// +63 degrees.\n\tscore = DIFF(e, h) + DIFF(f, i) + DIFF(g, j);\n\tif (score < best_score) {\n\t\tpred = f + i;\n\t\t// best_score isn't used anymore.\n\t}\n\n\tpred *= 0.5f;\n\n\t// Temporal prediction (p2) of this pixel based on the previous and next fields.\n\t//\n\t// \0342\0206\0221 y\n\t// C H |\n\t// A F K |\n\t// D x I |\n\t// B G L |\n\t// E J |\n\t// +-----> time\n\t//\n\t// x is obviously aligned with D and I, so we don't need texcoord\n\t// adjustment for top/bottom field here, unlike earlier. However, we need\n\t// to start the block one pixel below since we need E/J, thus the -1 in\n\t// the y coordinate.\n\tbase_tc = vec2((gl_WorkGroupID.x * uint(GROUP_W) + 0.5f) * PREFIX(inv_width),\n\t (gl_WorkGroupID.y * uint(GROUP_H) + (0.5f - 1.0f)) * PREFIX(inv_height));\n\tlx = int(gl_LocalInvocationID.x);\n#if YADIF_ENABLE_SPATIAL_INTERLACING_CHECK\n\tLOAD_PIXEL_BLOCK(base_tc, GROUP_W, GROUP_H + 2, INPUT2);\n\tvec4 C = temp[(ly + 2) * GROUP_W + lx];\n\tvec4 D = temp[(ly + 1) * GROUP_W + lx];\n\tvec4 E = temp[ ly * GROUP_W + lx];\n\n\tLOAD_PIXEL_BLOCK(base_tc, GROUP_W, GROUP_H + 2, INPUT4);\n\tvec4 H = temp[(ly + 2) * GROUP_W + lx];\n\tvec4 I = temp[(ly + 1) * GROUP_W + lx];\n\tvec4 J = temp[ ly * GROUP_W + lx];\n#else\n\t// Since spatial interlacing check is not enabled, we only need D\n\t// and I from the previous and next fields; since they are not shared\n\t// between the neighboring pixels, they can be straight-up loads.\n\tvec2 DI_pos = vec2((gl_GlobalInvocationID.x + 0.5f) * PREFIX(inv_width),\n\t (gl_GlobalInvocationID.y + 0.5f) * PREFIX(inv_height));\n\tvec4 D = INPUT2(DI_pos);\n\tvec4 I = INPUT4(DI_pos);\n#endif\n\n\t// Load what we need from the previous field into shared memory,\n\t// since A/B can be reused between neighboring pixels. We need one\n\t// line above/below, but we don't need the horizontal fringe.\n\tLOAD_PIXEL_BLOCK(base_tc, GROUP_W, GROUP_H + 1, INPUT1);\n\tvec4 A = temp[(ly + 1) * GROUP_W + lx];\n\tvec4 B = temp[ ly * GROUP_W + lx];\n\n\t// What we need from the current field was loaded earlier.\n\tvec4 F = d;\n\tvec4 G = k;\n\n\t// Next field.\n\tLOAD_PIXEL_BLOCK(base_tc, GROUP_W, GROUP_H + 1, INPUT5);\n\tvec4 K = temp[(ly + 1) * GROUP_W + lx];\n\tvec4 L = temp[ ly * GROUP_W + lx];\n\n\t// Find temporal differences around this line.\n\tvec4 tdiff0 = abs(D - I);\n\tvec4 tdiff1 = abs(A - F) + abs(B - G); // Actually twice tdiff1.\n\tvec4 tdiff2 = abs(K - F) + abs(L - G); // Actually twice tdiff2.\n\tvec4 diff = max(tdiff0, 0.5f * max(tdiff1, tdiff2));\n\n#if YADIF_ENABLE_SPATIAL_INTERLACING_CHECK\n\t// Spatial interlacing check.\n\t// We start by temporally interpolating the current vertical line (p0\0342\0200\0223p4):\n\t//\n\t// C p0 H \0342\0206\0221 y\n\t// p1 |\n\t// D p2 I |\n\t// p3 |\n\t// E p4 J +-----> time\n\t//\n\tvec4 p0 = 0.5f * (C + H);\n\tvec4 p1 = F;\n\tvec4 p2 = 0.5f * (D + I);\n\tvec4 p3 = G;\n\tvec4 p4 = 0.5f * (E + J);\n\n\tvec4 max_ = max(max(p2 - p3, p2 - p1), min(p0 - p1, p4 - p3));\n\tvec4 min_ = min(min(p2 - p3, p2 - p1), max(p0 - p1, p4 - p3));\n\tdiff = max(diff, max(min_, -max_));\n#else\n\tvec4 p2 = 0.5f * (D + I);\n#endif\n\n\tval = clamp(pred, p2 - diff, p2 + diff);\n\tOUTPUT(ivec2(gl_GlobalInvocationID.x, yi ^ 1), val);\n}\n\n#undef LOAD_PIXEL_BLOCK\n#undef DIFF\n#undef YADIF_ENABLE_SPATIAL_INTERLACING_CHECK\nvec4 FUNCNAME(vec2 tc) {\n\treturn max(INPUT(tc) - vec4(PREFIX(cutoff)), 0.0);\n}\nvec4 FUNCNAME(vec2 tc) {\n\tvec4 orig = INPUT1(tc);\n\tvec4 blurred = INPUT2(tc);\n\tfloat luminance = clamp(dot(orig.rgb, vec3(0.2126, 0.7152, 0.0722)), 0.0, 1.0);\n\treturn mix(orig, blurred, luminance * vec4(PREFIX(blurred_mix_amount)));\n}\n"; } // namespace movit movit-1.7.1/flat_input.cpp0000644000175000017500000001273614462263704014576 0ustar sessesesse#include #include #include #include "effect_util.h" #include "flat_input.h" #include "resource_pool.h" #include "util.h" using namespace std; namespace movit { FlatInput::FlatInput(ImageFormat image_format, MovitPixelFormat pixel_format_in, GLenum type, unsigned width, unsigned height) : image_format(image_format), type(type), pbo(0), texture_num(0), output_linear_gamma(false), needs_mipmaps(false), width(width), height(height), pitch(width), owns_texture(false), pixel_data(nullptr), fixup_swap_rb(false), fixup_red_to_grayscale(false) { assert(type == GL_FLOAT || type == GL_HALF_FLOAT || type == GL_UNSIGNED_SHORT || type == GL_UNSIGNED_BYTE); register_int("output_linear_gamma", &output_linear_gamma); register_int("needs_mipmaps", &needs_mipmaps); register_uniform_sampler2d("tex", &uniform_tex); // Some types are not supported in all GL versions (e.g. GLES), // and will corrected into the right format in the shader. switch (pixel_format_in) { case FORMAT_BGRA_PREMULTIPLIED_ALPHA: pixel_format = FORMAT_RGBA_PREMULTIPLIED_ALPHA; fixup_swap_rb = true; break; case FORMAT_BGRA_POSTMULTIPLIED_ALPHA: pixel_format = FORMAT_RGBA_POSTMULTIPLIED_ALPHA; fixup_swap_rb = true; break; case FORMAT_BGR: pixel_format = FORMAT_RGB; fixup_swap_rb = true; break; case FORMAT_GRAYSCALE: pixel_format = FORMAT_R; fixup_red_to_grayscale = true; break; default: pixel_format = pixel_format_in; break; } } FlatInput::~FlatInput() { possibly_release_texture(); } void FlatInput::set_gl_state(GLuint glsl_program_num, const string& prefix, unsigned *sampler_num) { glActiveTexture(GL_TEXTURE0 + *sampler_num); check_error(); if (texture_num == 0 && (pbo != 0 || pixel_data != nullptr)) { // Translate the input format to OpenGL's enums. GLint internal_format; GLenum format; if (type == GL_FLOAT) { if (pixel_format == FORMAT_R) { internal_format = GL_R32F; } else if (pixel_format == FORMAT_RG) { internal_format = GL_RG32F; } else if (pixel_format == FORMAT_RGB) { internal_format = GL_RGB32F; } else { internal_format = GL_RGBA32F; } } else if (type == GL_HALF_FLOAT) { if (pixel_format == FORMAT_R) { internal_format = GL_R16F; } else if (pixel_format == FORMAT_RG) { internal_format = GL_RG16F; } else if (pixel_format == FORMAT_RGB) { internal_format = GL_RGB16F; } else { internal_format = GL_RGBA16F; } } else if (type == GL_UNSIGNED_SHORT) { if (pixel_format == FORMAT_R) { internal_format = GL_R16; } else if (pixel_format == FORMAT_RG) { internal_format = GL_RG16; } else if (pixel_format == FORMAT_RGB) { internal_format = GL_RGB16; } else { internal_format = GL_RGBA16; } } else if (output_linear_gamma) { assert(type == GL_UNSIGNED_BYTE); if (pixel_format == FORMAT_RGB) { internal_format = GL_SRGB8; } else if (pixel_format == FORMAT_RGBA_POSTMULTIPLIED_ALPHA) { internal_format = GL_SRGB8_ALPHA8; } else { assert(false); } } else { assert(type == GL_UNSIGNED_BYTE); if (pixel_format == FORMAT_R) { internal_format = GL_R8; } else if (pixel_format == FORMAT_RG) { internal_format = GL_RG8; } else if (pixel_format == FORMAT_RGB) { internal_format = GL_RGB8; } else { internal_format = GL_RGBA8; } } if (pixel_format == FORMAT_RGB) { format = GL_RGB; } else if (pixel_format == FORMAT_RGBA_PREMULTIPLIED_ALPHA || pixel_format == FORMAT_RGBA_POSTMULTIPLIED_ALPHA) { format = GL_RGBA; } else if (pixel_format == FORMAT_RG) { format = GL_RG; } else if (pixel_format == FORMAT_R) { format = GL_RED; } else { assert(false); } // (Re-)upload the texture. texture_num = resource_pool->create_2d_texture(internal_format, width, height); glBindTexture(GL_TEXTURE_2D, texture_num); check_error(); glBindBuffer(GL_PIXEL_UNPACK_BUFFER_ARB, pbo); check_error(); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, needs_mipmaps ? GL_LINEAR_MIPMAP_NEAREST : GL_LINEAR); check_error(); glPixelStorei(GL_UNPACK_ALIGNMENT, 1); check_error(); glPixelStorei(GL_UNPACK_ROW_LENGTH, pitch); check_error(); glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, width, height, format, type, pixel_data); check_error(); glPixelStorei(GL_UNPACK_ROW_LENGTH, 0); check_error(); if (needs_mipmaps) { glGenerateMipmap(GL_TEXTURE_2D); check_error(); } glPixelStorei(GL_UNPACK_ROW_LENGTH, 0); check_error(); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); check_error(); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); check_error(); glBindBuffer(GL_PIXEL_UNPACK_BUFFER_ARB, 0); check_error(); owns_texture = true; } else { glBindTexture(GL_TEXTURE_2D, texture_num); check_error(); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, needs_mipmaps ? GL_LINEAR_MIPMAP_NEAREST : GL_LINEAR); check_error(); } // Bind it to a sampler. uniform_tex = *sampler_num; ++*sampler_num; } string FlatInput::output_fragment_shader() { char buf[256]; sprintf(buf, "#define FIXUP_SWAP_RB %d\n#define FIXUP_RED_TO_GRAYSCALE %d\n", fixup_swap_rb, fixup_red_to_grayscale); return buf + read_file("flat_input.frag"); } void FlatInput::invalidate_pixel_data() { possibly_release_texture(); } void FlatInput::possibly_release_texture() { if (texture_num != 0 && owns_texture) { resource_pool->release_2d_texture(texture_num); texture_num = 0; owns_texture = false; } } } // namespace movit movit-1.7.1/ycbcr_input.cpp0000644000175000017500000001655714462263704014757 0ustar sessesesse#include #include #include #include #include #include #include "effect_util.h" #include "resource_pool.h" #include "util.h" #include "ycbcr.h" #include "ycbcr_input.h" using namespace Eigen; using namespace std; namespace movit { YCbCrInput::YCbCrInput(const ImageFormat &image_format, const YCbCrFormat &ycbcr_format, unsigned width, unsigned height, YCbCrInputSplitting ycbcr_input_splitting, GLenum type) : image_format(image_format), ycbcr_format(ycbcr_format), ycbcr_input_splitting(ycbcr_input_splitting), needs_mipmaps(false), type(type), width(width), height(height), resource_pool(nullptr) { pbos[0] = pbos[1] = pbos[2] = 0; texture_num[0] = texture_num[1] = texture_num[2] = 0; set_width(width); set_height(height); pixel_data[0] = pixel_data[1] = pixel_data[2] = nullptr; owns_texture[0] = owns_texture[1] = owns_texture[2] = false; register_uniform_sampler2d("tex_y", &uniform_tex_y); if (ycbcr_input_splitting == YCBCR_INPUT_INTERLEAVED) { num_channels = 1; assert(ycbcr_format.chroma_subsampling_x == 1); assert(ycbcr_format.chroma_subsampling_y == 1); } else if (ycbcr_input_splitting == YCBCR_INPUT_SPLIT_Y_AND_CBCR) { num_channels = 2; register_uniform_sampler2d("tex_cbcr", &uniform_tex_cb); } else { assert(ycbcr_input_splitting == YCBCR_INPUT_PLANAR); num_channels = 3; register_uniform_sampler2d("tex_cb", &uniform_tex_cb); register_uniform_sampler2d("tex_cr", &uniform_tex_cr); } register_int("needs_mipmaps", &needs_mipmaps); register_uniform_mat3("inv_ycbcr_matrix", &uniform_ycbcr_matrix); register_uniform_vec3("offset", uniform_offset); register_uniform_vec2("cb_offset", (float *)&uniform_cb_offset); register_uniform_vec2("cr_offset", (float *)&uniform_cr_offset); } YCbCrInput::~YCbCrInput() { for (unsigned channel = 0; channel < num_channels; ++channel) { possibly_release_texture(channel); } } void YCbCrInput::set_gl_state(GLuint glsl_program_num, const string& prefix, unsigned *sampler_num) { compute_ycbcr_matrix(ycbcr_format, uniform_offset, &uniform_ycbcr_matrix, type); uniform_cb_offset.x = compute_chroma_offset( ycbcr_format.cb_x_position, ycbcr_format.chroma_subsampling_x, widths[1]); uniform_cb_offset.y = compute_chroma_offset( ycbcr_format.cb_y_position, ycbcr_format.chroma_subsampling_y, heights[1]); uniform_cr_offset.x = compute_chroma_offset( ycbcr_format.cr_x_position, ycbcr_format.chroma_subsampling_x, widths[2]); uniform_cr_offset.y = compute_chroma_offset( ycbcr_format.cr_y_position, ycbcr_format.chroma_subsampling_y, heights[2]); for (unsigned channel = 0; channel < num_channels; ++channel) { glActiveTexture(GL_TEXTURE0 + *sampler_num + channel); check_error(); if (texture_num[channel] == 0 && (pbos[channel] != 0 || pixel_data[channel] != nullptr)) { GLenum format, internal_format; if (channel == 0 && ycbcr_input_splitting == YCBCR_INPUT_INTERLEAVED) { if (type == GL_UNSIGNED_INT_2_10_10_10_REV) { format = GL_RGBA; internal_format = GL_RGB10_A2; } else if (type == GL_UNSIGNED_SHORT) { format = GL_RGB; internal_format = GL_RGB16; } else { assert(type == GL_UNSIGNED_BYTE); format = GL_RGB; internal_format = GL_RGB8; } } else if (channel == 1 && ycbcr_input_splitting == YCBCR_INPUT_SPLIT_Y_AND_CBCR) { format = GL_RG; if (type == GL_UNSIGNED_SHORT) { internal_format = GL_RG16; } else { assert(type == GL_UNSIGNED_BYTE); internal_format = GL_RG8; } } else { format = GL_RED; if (type == GL_UNSIGNED_SHORT) { internal_format = GL_R16; } else { assert(type == GL_UNSIGNED_BYTE); internal_format = GL_R8; } } // (Re-)upload the texture. texture_num[channel] = resource_pool->create_2d_texture(internal_format, widths[channel], heights[channel]); glBindTexture(GL_TEXTURE_2D, texture_num[channel]); check_error(); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, needs_mipmaps ? GL_LINEAR_MIPMAP_NEAREST : GL_LINEAR); check_error(); glBindBuffer(GL_PIXEL_UNPACK_BUFFER_ARB, pbos[channel]); check_error(); glPixelStorei(GL_UNPACK_ALIGNMENT, 1); check_error(); glPixelStorei(GL_UNPACK_ROW_LENGTH, pitch[channel]); check_error(); glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, widths[channel], heights[channel], format, type, pixel_data[channel]); check_error(); glPixelStorei(GL_UNPACK_ROW_LENGTH, 0); check_error(); if (needs_mipmaps) { glGenerateMipmap(GL_TEXTURE_2D); check_error(); } glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); check_error(); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); check_error(); owns_texture[channel] = true; } else { glBindTexture(GL_TEXTURE_2D, texture_num[channel]); check_error(); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, needs_mipmaps ? GL_LINEAR_MIPMAP_NEAREST : GL_LINEAR); check_error(); } } glBindBuffer(GL_PIXEL_UNPACK_BUFFER_ARB, 0); check_error(); // Bind samplers. uniform_tex_y = *sampler_num + 0; if (ycbcr_input_splitting != YCBCR_INPUT_INTERLEAVED) { uniform_tex_cb = *sampler_num + 1; } if (ycbcr_input_splitting == YCBCR_INPUT_PLANAR) { uniform_tex_cr = *sampler_num + 2; } *sampler_num += num_channels; } string YCbCrInput::output_fragment_shader() { string frag_shader; if (ycbcr_input_splitting == YCBCR_INPUT_INTERLEAVED) { frag_shader += "#define Y_CB_CR_SAME_TEXTURE 1\n"; } else if (ycbcr_input_splitting == YCBCR_INPUT_SPLIT_Y_AND_CBCR) { cb_cr_offsets_equal = (fabs(ycbcr_format.cb_x_position - ycbcr_format.cr_x_position) < 1e-6) && (fabs(ycbcr_format.cb_y_position - ycbcr_format.cr_y_position) < 1e-6); char buf[256]; snprintf(buf, sizeof(buf), "#define Y_CB_CR_SAME_TEXTURE 0\n#define CB_CR_SAME_TEXTURE 1\n#define CB_CR_OFFSETS_EQUAL %d\n", cb_cr_offsets_equal); frag_shader += buf; } else { frag_shader += "#define Y_CB_CR_SAME_TEXTURE 0\n#define CB_CR_SAME_TEXTURE 0\n"; } frag_shader += read_file("ycbcr_input.frag"); frag_shader += "#undef CB_CR_SAME_TEXTURE\n#undef Y_CB_CR_SAME_TEXTURE\n"; return frag_shader; } void YCbCrInput::change_ycbcr_format(const YCbCrFormat &ycbcr_format) { if (ycbcr_input_splitting == YCBCR_INPUT_SPLIT_Y_AND_CBCR && cb_cr_offsets_equal) { assert((fabs(ycbcr_format.cb_x_position - ycbcr_format.cr_x_position) < 1e-6) && (fabs(ycbcr_format.cb_y_position - ycbcr_format.cr_y_position) < 1e-6)); } if (ycbcr_input_splitting == YCBCR_INPUT_INTERLEAVED) { assert(ycbcr_format.chroma_subsampling_x == 1); assert(ycbcr_format.chroma_subsampling_y == 1); } this->ycbcr_format = ycbcr_format; } void YCbCrInput::invalidate_pixel_data() { for (unsigned channel = 0; channel < 3; ++channel) { possibly_release_texture(channel); } } bool YCbCrInput::set_int(const std::string& key, int value) { if (key == "needs_mipmaps") { if (ycbcr_input_splitting != YCBCR_INPUT_INTERLEAVED && value != 0) { // We do not currently support this. return false; } } return Effect::set_int(key, value); } void YCbCrInput::possibly_release_texture(unsigned channel) { if (texture_num[channel] != 0 && owns_texture[channel]) { resource_pool->release_2d_texture(texture_num[channel]); texture_num[channel] = 0; owns_texture[channel] = false; } } } // namespace movit movit-1.7.1/ycbcr_422interleaved_input.cpp0000644000175000017500000001063214462263704017555 0ustar sessesesse#include #include #include #include #include "effect_util.h" #include "resource_pool.h" #include "util.h" #include "ycbcr.h" #include "ycbcr_422interleaved_input.h" using namespace Eigen; using namespace std; namespace movit { YCbCr422InterleavedInput::YCbCr422InterleavedInput(const ImageFormat &image_format, const YCbCrFormat &ycbcr_format, unsigned width, unsigned height) : image_format(image_format), ycbcr_format(ycbcr_format), width(width), height(height), resource_pool(nullptr) { pbo = 0; texture_num[0] = texture_num[1] = 0; assert(ycbcr_format.chroma_subsampling_x == 2); assert(ycbcr_format.chroma_subsampling_y == 1); assert(width % ycbcr_format.chroma_subsampling_x == 0); widths[CHANNEL_LUMA] = width; widths[CHANNEL_CHROMA] = width / ycbcr_format.chroma_subsampling_x; pitches[CHANNEL_LUMA] = width; pitches[CHANNEL_CHROMA] = width / ycbcr_format.chroma_subsampling_x; pixel_data = nullptr; register_uniform_sampler2d("tex_y", &uniform_tex_y); register_uniform_sampler2d("tex_cbcr", &uniform_tex_cbcr); } YCbCr422InterleavedInput::~YCbCr422InterleavedInput() { for (unsigned channel = 0; channel < 2; ++channel) { if (texture_num[channel] != 0) { resource_pool->release_2d_texture(texture_num[channel]); } } } void YCbCr422InterleavedInput::set_gl_state(GLuint glsl_program_num, const string& prefix, unsigned *sampler_num) { for (unsigned channel = 0; channel < 2; ++channel) { glActiveTexture(GL_TEXTURE0 + *sampler_num + channel); check_error(); if (texture_num[channel] == 0) { // (Re-)upload the texture. GLuint format, internal_format; if (channel == CHANNEL_LUMA) { format = GL_RG; internal_format = GL_RG8; } else { assert(channel == CHANNEL_CHROMA); format = GL_RGBA; internal_format = GL_RGBA8; } texture_num[channel] = resource_pool->create_2d_texture(internal_format, widths[channel], height); glBindTexture(GL_TEXTURE_2D, texture_num[channel]); check_error(); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); check_error(); glBindBuffer(GL_PIXEL_UNPACK_BUFFER_ARB, pbo); check_error(); glPixelStorei(GL_UNPACK_ALIGNMENT, 1); check_error(); glPixelStorei(GL_UNPACK_ROW_LENGTH, pitches[channel]); check_error(); glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, widths[channel], height, format, GL_UNSIGNED_BYTE, pixel_data); check_error(); glPixelStorei(GL_UNPACK_ROW_LENGTH, 0); check_error(); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); check_error(); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); check_error(); } else { glBindTexture(GL_TEXTURE_2D, texture_num[channel]); check_error(); } } glBindBuffer(GL_PIXEL_UNPACK_BUFFER_ARB, 0); check_error(); // Bind samplers. uniform_tex_y = *sampler_num + 0; uniform_tex_cbcr = *sampler_num + 1; *sampler_num += 2; } string YCbCr422InterleavedInput::output_fragment_shader() { float offset[3]; Matrix3d ycbcr_to_rgb; compute_ycbcr_matrix(ycbcr_format, offset, &ycbcr_to_rgb); string frag_shader; frag_shader = output_glsl_mat3("PREFIX(inv_ycbcr_matrix)", ycbcr_to_rgb); frag_shader += output_glsl_vec3("PREFIX(offset)", offset[0], offset[1], offset[2]); float cb_offset_x = compute_chroma_offset( ycbcr_format.cb_x_position, ycbcr_format.chroma_subsampling_x, widths[CHANNEL_CHROMA]); float cr_offset_x = compute_chroma_offset( ycbcr_format.cr_x_position, ycbcr_format.chroma_subsampling_x, widths[CHANNEL_CHROMA]); frag_shader += output_glsl_float("PREFIX(cb_offset_x)", cb_offset_x); frag_shader += output_glsl_float("PREFIX(cr_offset_x)", cr_offset_x); char buf[256]; sprintf(buf, "#define CB_CR_OFFSETS_EQUAL %d\n", (fabs(ycbcr_format.cb_x_position - ycbcr_format.cr_x_position) < 1e-6)); frag_shader += buf; frag_shader += read_file("ycbcr_422interleaved_input.frag"); return frag_shader; } void YCbCr422InterleavedInput::invalidate_pixel_data() { for (unsigned channel = 0; channel < 2; ++channel) { if (texture_num[channel] != 0) { resource_pool->release_2d_texture(texture_num[channel]); texture_num[channel] = 0; } } } bool YCbCr422InterleavedInput::set_int(const std::string& key, int value) { if (key == "needs_mipmaps") { // We currently do not support this. return (value == 0); } return Effect::set_int(key, value); } } // namespace movit movit-1.7.1/lift_gamma_gain_effect.cpp0000644000175000017500000000211614462263704017032 0ustar sessesesse#include #include #include "effect_util.h" #include "lift_gamma_gain_effect.h" #include "util.h" using namespace std; namespace movit { LiftGammaGainEffect::LiftGammaGainEffect() : lift(0.0f, 0.0f, 0.0f), gamma(1.0f, 1.0f, 1.0f), gain(1.0f, 1.0f, 1.0f) { register_vec3("lift", (float *)&lift); register_vec3("gamma", (float *)&gamma); register_vec3("gain", (float *)&gain); register_uniform_vec3("gain_pow_inv_gamma", (float *)&uniform_gain_pow_inv_gamma); register_uniform_vec3("inv_gamma_22", (float *)&uniform_inv_gamma22); } string LiftGammaGainEffect::output_fragment_shader() { return read_file("lift_gamma_gain_effect.frag"); } void LiftGammaGainEffect::set_gl_state(GLuint glsl_program_num, const string &prefix, unsigned *sampler_num) { Effect::set_gl_state(glsl_program_num, prefix, sampler_num); uniform_gain_pow_inv_gamma = RGBTriplet( pow(gain.r, 1.0f / gamma.r), pow(gain.g, 1.0f / gamma.g), pow(gain.b, 1.0f / gamma.b)); uniform_inv_gamma22 = RGBTriplet( 2.2f / gamma.r, 2.2f / gamma.g, 2.2f / gamma.b); } } // namespace movit movit-1.7.1/white_balance_effect.cpp0000644000175000017500000001340714462263704016526 0ustar sessesesse#include #include #include #include #include "colorspace_conversion_effect.h" #include "d65.h" #include "effect_util.h" #include "image_format.h" #include "util.h" #include "white_balance_effect.h" using namespace Eigen; using namespace std; namespace movit { namespace { // Temperature is in Kelvin. Formula from http://en.wikipedia.org/wiki/Planckian_locus#Approximation . Vector3d convert_color_temperature_to_xyz(float T) { double invT = 1.0 / T; double x, y; assert(T >= 1000.0f); assert(T <= 15000.0f); if (T <= 4000.0f) { x = ((-0.2661239e9 * invT - 0.2343589e6) * invT + 0.8776956e3) * invT + 0.179910; } else { x = ((-3.0258469e9 * invT + 2.1070379e6) * invT + 0.2226347e3) * invT + 0.240390; } if (T <= 2222.0f) { y = ((-1.1063814 * x - 1.34811020) * x + 2.18555832) * x - 0.20219683; } else if (T <= 4000.0f) { y = ((-0.9549476 * x - 1.37418593) * x + 2.09137015) * x - 0.16748867; } else { y = (( 3.0817580 * x - 5.87338670) * x + 3.75112997) * x - 0.37001483; } return Vector3d(x, y, 1.0 - x - y); } /* * There are several different perceptual color spaces with different intended * uses; for instance, CIECAM02 uses one space (CAT02) for purposes of computing * chromatic adaptation (the effect that the human eye perceives an object as * the same color even under differing illuminants), but a different space * (Hunt-Pointer-Estevez, or HPE) for the actual perception post-adaptation. * * CIECAM02 chromatic adaptation, while related to the transformation we want, * is a more complex phenomenon that depends on factors like the viewing conditions * (e.g. amount of surrounding light), and can no longer be implemented by just scaling * each component in LMS space. The simpler way out is to use the HPE matrix, * which is intended to be close to the actual cone response; this results in * the “von Kries transformation” when we couple it with normalization in LMS space. * * http://www.brucelindbloom.com/index.html?Eqn_ChromAdapt.html compares * von Kries transformation with using another matrix, the Bradford matrix, * and generally finds that the Bradford method gives a better result, * as in giving better matches with the true result (as calculated using * spectral matching) when converting between various CIE illuminants. * The actual perceptual differences were found to be minor, though. * We use the Bradford tranformation matrix from that page, and compute the * inverse ourselves. (The Bradford matrix is also used in CMCCAT97.) */ const double xyz_to_lms_matrix[9] = { 0.7328, -0.7036, 0.0030, 0.4296, 1.6975, 0.0136, -0.1624, 0.0061, 0.9834, }; /* * For a given reference color (given in XYZ space), compute scaling factors * for L, M and S. What we want at the output is turning the reference color * into a scaled version of the D65 illuminant (giving it R=G=B in sRGB), or * * (sL ref_L, sM ref_M, sS ref_S) = (s d65_L, s d65_M, s d65_S) * * This removes two degrees of freedom from our system, and we only need to find s. * A reasonable last constraint would be to preserve Y, approximately the brightness, * for the reference color. Thus, we choose our D65 illuminant's Y such that it is * equal to the reference color's Y, and the rest is easy. */ Vector3d compute_lms_scaling_factors(const Vector3d &ref_xyz) { Vector3d ref_lms = Map(xyz_to_lms_matrix) * ref_xyz; Vector3d d65_lms = Map(xyz_to_lms_matrix) * (ref_xyz[1] * Vector3d(d65_X, d65_Y, d65_Z)); // d65_Y = 1.0. double scale_l = d65_lms[0] / ref_lms[0]; double scale_m = d65_lms[1] / ref_lms[1]; double scale_s = d65_lms[2] / ref_lms[2]; return Vector3d(scale_l, scale_m, scale_s); } } // namespace WhiteBalanceEffect::WhiteBalanceEffect() : neutral_color(0.5f, 0.5f, 0.5f), output_color_temperature(6500.0f) { register_vec3("neutral_color", (float *)&neutral_color); register_float("output_color_temperature", &output_color_temperature); register_uniform_mat3("correction_matrix", &uniform_correction_matrix); } string WhiteBalanceEffect::output_fragment_shader() { return read_file("white_balance_effect.frag"); } void WhiteBalanceEffect::set_gl_state(GLuint glsl_program_num, const string &prefix, unsigned *sampler_num) { Matrix3d rgb_to_xyz_matrix = ColorspaceConversionEffect::get_xyz_matrix(COLORSPACE_sRGB); Vector3d rgb(neutral_color.r, neutral_color.g, neutral_color.b); Vector3d xyz = rgb_to_xyz_matrix * rgb; Vector3d lms_scale = compute_lms_scaling_factors(xyz); /* * Now apply the color balance. Simply put, we find the chromacity point * for the desired white temperature, see what LMS scaling factors they * would have given us, and then reverse that transform. For T=6500K, * the default, this gives us nearly an identity transform (but only nearly, * since the D65 illuminant does not exactly match the results of T=6500K); * we normalize so that T=6500K really is a no-op. */ Vector3d white_xyz = convert_color_temperature_to_xyz(output_color_temperature); Vector3d lms_scale_white = compute_lms_scaling_factors(white_xyz); Vector3d ref_xyz = convert_color_temperature_to_xyz(6500.0f); Vector3d lms_scale_ref = compute_lms_scaling_factors(ref_xyz); lms_scale[0] *= lms_scale_ref[0] / lms_scale_white[0]; lms_scale[1] *= lms_scale_ref[1] / lms_scale_white[1]; lms_scale[2] *= lms_scale_ref[2] / lms_scale_white[2]; /* * Concatenate all the different linear operations into a single 3x3 matrix. * Note that since we postmultiply our vectors, the order of the matrices * has to be the opposite of the execution order. */ uniform_correction_matrix = rgb_to_xyz_matrix.inverse() * Map(xyz_to_lms_matrix).inverse() * lms_scale.asDiagonal() * Map(xyz_to_lms_matrix) * rgb_to_xyz_matrix; } } // namespace movit movit-1.7.1/gamma_expansion_effect.cpp0000644000175000017500000001146414462263704017110 0ustar sessesesse#include #include "effect_util.h" #include "gamma_expansion_effect.h" #include "util.h" using namespace std; namespace movit { GammaExpansionEffect::GammaExpansionEffect() : source_curve(GAMMA_LINEAR) { register_int("source_curve", (int *)&source_curve); register_uniform_float("linear_scale", &uniform_linear_scale); register_uniform_float_array("c", uniform_c, 5); register_uniform_float("beta", &uniform_beta); } string GammaExpansionEffect::output_fragment_shader() { if (source_curve == GAMMA_LINEAR) { return read_file("identity.frag"); } if (source_curve == GAMMA_sRGB || source_curve == GAMMA_REC_709 || // Also includes Rec. 601, and 10-bit Rec. 2020. source_curve == GAMMA_REC_2020_12_BIT) { return read_file("gamma_expansion_effect.frag"); } assert(false); } void GammaExpansionEffect::set_gl_state(GLuint glsl_program_num, const string &prefix, unsigned *sampler_num) { Effect::set_gl_state(glsl_program_num, prefix, sampler_num); // All of these curves follow a continuous curve that's piecewise defined; // very low values (up to some β) are linear. Above β, we have a power curve // that looks like this: // // y = ((x + ɑ - 1) / ɑ)^ɣ // // However, pow() is relatively slow in GLSL, so we approximate this // part by a minimax polynomial, whose coefficients are precalculated // in Maple. (It is very hard to accurately model the curve as a whole // using minimax polynomials; both Maple and Mathematica generally // just error out if you ask them to optimize over 0..1 with a higher-degree // polynomial.) // // We put some extra weight on areas near β to keep a continuous curve, // and near 1.0, since we'd really like f(1.0) = 1.0, or approximately so. // The following Maple commands, using sRGB below as an example, will // compute the coefficients: // // > alpha := 1.055; // > beta := 0.04045; // > gamma_ := 2.4; // > w := x -> piecewise(x < beta + 0.001, 10, x > 0.999, 10, 1); // > numapprox[minimax](((x + alpha - 1) / alpha)^gamma_, x=beta..1, [4,0], w(x), 'maxerror'); // // The variable 'maxerror' will then contain the maximum absolute error // at any point of the curve, and we report this along with the absolute // error at beta and at 1.0. Keep in mind that along this curve, // the smallest minimum difference between any two 8-bit sRGB pixel levels // (in the exponential part of the curve) in linear light is that // between 11/255 and 12/255, which is about 0.00033 (or three to four // times of the sRGB maxerror below). The choice of a fourth-degree // polynomial was made with this in mind; we have not cared equally // much about 10- and 12-bit Rec. 2020. // // NOTE: The error at beta is compared to the _linear_ part of the curve. // Since the standards give these with only a few decimals, it means that // the linear and exponential parts will not match up exactly, and even // a perfect approximation will have error > 0 here; sometimes, even larger // than maxerror for the curve itself. if (source_curve == GAMMA_sRGB) { // From the Wikipedia article on sRGB; ɑ (called a+1 there) = 1.055, // β = 0.04045, ɣ = 2.4. // maxerror = 0.000094 // error at beta = 0.000012 // error at 1.0 = 0.000012 // // Note that the worst _relative_ error by far is just at the beginning // of the exponential curve, ie., just around β. uniform_linear_scale = 1.0 / 12.92; uniform_c[0] = 0.001324469581; uniform_c[1] = 0.02227416690; uniform_c[2] = 0.5917615253; uniform_c[3] = 0.4733532353; uniform_c[4] = -0.08880738120; uniform_beta = 0.04045; } if (source_curve == GAMMA_REC_709) { // Also includes Rec. 601, and 10-bit Rec. 2020. // Rec. 2020, page 3; ɑ = 1.099, β = 0.018 * 4.5, ɣ = 1/0.45. // maxerror = 0.000043 // error at beta = 0.000051 (see note above!) // error at 1.0 = 0.000004 // // Note that Rec. 2020 only gives the other direction, which is why // our beta and gamma are different from the numbers mentioned // (we've inverted the formula). uniform_linear_scale = 1.0 / 4.5; uniform_c[0] = 0.005137028744; uniform_c[1] = 0.09802596889; uniform_c[2] = 0.7255768864; uniform_c[3] = 0.2135067966; uniform_c[4] = -0.04225094667; uniform_beta = 0.018 * 4.5; } if (source_curve == GAMMA_REC_2020_12_BIT) { // Rec. 2020, page 3; ɑ = 1.0993, β = 0.0181 * 4.5, ɣ = 1/0.45. // maxerror = 0.000042 // error at beta = 0.000005 // error at 1.0 = 0.000004 // // Note that Rec. 2020 only gives the other direction, which is why // our beta and gamma are different from the numbers mentioned // (we've inverted the formula). uniform_linear_scale = 1.0 / 4.5; uniform_c[0] = 0.005167545928; uniform_c[1] = 0.09835585809; uniform_c[2] = 0.7254820139; uniform_c[3] = 0.2131291155; uniform_c[4] = -0.04213877222; uniform_beta = 0.0181 * 4.5; } } } // namespace movit movit-1.7.1/gamma_compression_effect.cpp0000644000175000017500000001065014462263704017441 0ustar sessesesse#include #include "effect_util.h" #include "gamma_compression_effect.h" #include "util.h" using namespace std; namespace movit { GammaCompressionEffect::GammaCompressionEffect() : destination_curve(GAMMA_LINEAR) { register_int("destination_curve", (int *)&destination_curve); register_uniform_float("linear_scale", &uniform_linear_scale); register_uniform_float_array("c", uniform_c, 5); register_uniform_float("beta", &uniform_beta); } string GammaCompressionEffect::output_fragment_shader() { if (destination_curve == GAMMA_LINEAR) { return read_file("identity.frag"); } if (destination_curve == GAMMA_sRGB || destination_curve == GAMMA_REC_709 || // Also includes Rec. 601, and 10-bit Rec. 2020. destination_curve == GAMMA_REC_2020_12_BIT) { return read_file("gamma_compression_effect.frag"); } assert(false); } void GammaCompressionEffect::set_gl_state(GLuint glsl_program_num, const string &prefix, unsigned *sampler_num) { Effect::set_gl_state(glsl_program_num, prefix, sampler_num); // See GammaExpansionEffect for more details about the approximations in use; // we will primarily deal with the differences here. // // Like in expansion, we have a piecewise curve that for very low values // (up to some β) are linear. Above β, we have a power curve that looks // like this: // // y = ɑ x^ɣ - (ɑ - 1) // // Like in expansion, we want to approximate this by some minimax polynomial // in the range β..1. However, in this case, ɣ is typically around 0.4, and // x^0.4 is actually very hard to approximate accurately in this range. // We do a little trick by instead asking for a polynomial of s=sqrt(x), // which means we instead need something like s^0.8, which is much easier. // This warps the input space a bit as seen by the minimax algorithm, // but since we are optimizing for _maximum_ error and not _average_, // we should not add any extra weighting factors. // // However, since we have problems reaching the desired accuracy (~25% // of a pixel level), especially for sRGB, we modify w(x) from // GammaExpansionEffect to remove the special handling of the area // around β; it is not really as useful when the next step is just a // dither and round anyway. We keep it around 1, though, since that // seems to hurt less. // // The Maple commands this time around become (again using sRGB as an example): // // > alpha := 1.055; // > beta := 0.0031308; // > gamma_ := 1.0/2.4; // > w := x -> piecewise(x > 0.999, 10, 1); // > numapprox[minimax](alpha * (x^2)^gamma_ - (alpha - 1), x=sqrt(beta)..1, [4,0], w(x^2), 'maxerror'); // // Since the error here is possible to interpret on a uniform scale, // we also show it as a value relative to a 8-, 10- or 12-bit pixel level, // as appropriate. if (destination_curve == GAMMA_sRGB) { // From the Wikipedia article on sRGB; ɑ (called a+1 there) = 1.055, // β = 0.0031308, ɣ = 1/2.4. // maxerror = 0.000785 = 0.200 * 255 // error at 1.0 = 0.000078 = 0.020 * 255 uniform_linear_scale = 12.92; uniform_c[0] = -0.03679675939; uniform_c[1] = 1.443803073; uniform_c[2] = -0.9239780987; uniform_c[3] = 0.8060491596; uniform_c[4] = -0.2891558568; uniform_beta = 0.0031308; } if (destination_curve == GAMMA_REC_709) { // Also includes Rec. 601, and 10-bit Rec. 2020. // Rec. 2020, page 3; ɑ = 1.099, β = 0.018, ɣ = 0.45. // maxerror = 0.000131 = 0.033 * 255 = 0.134 * 1023 // error at 1.0 = 0.000013 = 0.003 * 255 = 0.013 * 1023 uniform_linear_scale = 4.5; uniform_c[0] = -0.08541688528; uniform_c[1] = 1.292793370; uniform_c[2] = -0.4070417645; uniform_c[3] = 0.2923891828; uniform_c[4] = -0.09273699351; uniform_beta = 0.018; } if (destination_curve == GAMMA_REC_2020_12_BIT) { // Rec. 2020, page 3; ɑ = 1.0993, β = 0.0181, ɣ = 0.45. // maxerror = 0.000130 = 0.533 * 4095 // error at 1.0 = 0.000013 = 0.053 * 4095 // // Note that this error is above one half of a pixel level, // which means that a few values will actually be off in the lowest // bit. (Removing the constraint for x=1 will only take this down // from 0.553 to 0.501; adding a fifth order can get it down to // 0.167, although this assumes working in fp64 and not fp32.) uniform_linear_scale = 4.5; uniform_c[0] = -0.08569685663; uniform_c[1] = 1.293000900; uniform_c[2] = -0.4067291321; uniform_c[3] = 0.2919741179; uniform_c[4] = -0.09256205770; uniform_beta = 0.0181; } } } // namespace movit movit-1.7.1/colorspace_conversion_effect.cpp0000644000175000017500000001226414462263704020340 0ustar sessesesse#include #include #include #include "colorspace_conversion_effect.h" #include "d65.h" #include "util.h" using namespace Eigen; using namespace std; namespace movit { // Color coordinates from Rec. 709; sRGB uses the same primaries. static const double rec709_x_R = 0.640, rec709_x_G = 0.300, rec709_x_B = 0.150; static const double rec709_y_R = 0.330, rec709_y_G = 0.600, rec709_y_B = 0.060; // Color coordinates from Rec. 601. (Separate for 525- and 625-line systems.) static const double rec601_525_x_R = 0.630, rec601_525_x_G = 0.310, rec601_525_x_B = 0.155; static const double rec601_525_y_R = 0.340, rec601_525_y_G = 0.595, rec601_525_y_B = 0.070; static const double rec601_625_x_R = 0.640, rec601_625_x_G = 0.290, rec601_625_x_B = 0.150; static const double rec601_625_y_R = 0.330, rec601_625_y_G = 0.600, rec601_625_y_B = 0.060; // Color coordinates from Rec. 2020. static const double rec2020_x_R = 0.708, rec2020_x_G = 0.170, rec2020_x_B = 0.131; static const double rec2020_y_R = 0.292, rec2020_y_G = 0.797, rec2020_y_B = 0.046; ColorspaceConversionEffect::ColorspaceConversionEffect() : source_space(COLORSPACE_sRGB), destination_space(COLORSPACE_sRGB) { register_int("source_space", (int *)&source_space); register_int("destination_space", (int *)&destination_space); } Matrix3d ColorspaceConversionEffect::get_xyz_matrix(Colorspace space) { if (space == COLORSPACE_XYZ) { return Matrix3d::Identity(); } if (space == COLORSPACE_sRGB) { // sRGB is not defined by the color primaries, but by concrete // forward and inverse matrices that are rounded-off versions // of the Rec. 709 color space (see // https://photosauce.net/blog/post/what-makes-srgb-a-special-color-space). // We're not compliant with the inverse matrix, since we'd be // too accurate (sRGB is specified for 8-bit only); however, // results should be very close in practice (and even closer to // scRGB's inverse matrix, which is a higher-accuracy inversion of // the same forward matrix). return Matrix3d{ { 0.4124, 0.3576, 0.1805 }, { 0.2126, 0.7152, 0.0722 }, { 0.0193, 0.1192, 0.9505 } }; } double x_R, x_G, x_B; double y_R, y_G, y_B; switch (space) { case COLORSPACE_REC_709: x_R = rec709_x_R; x_G = rec709_x_G; x_B = rec709_x_B; y_R = rec709_y_R; y_G = rec709_y_G; y_B = rec709_y_B; break; case COLORSPACE_REC_601_525: x_R = rec601_525_x_R; x_G = rec601_525_x_G; x_B = rec601_525_x_B; y_R = rec601_525_y_R; y_G = rec601_525_y_G; y_B = rec601_525_y_B; break; case COLORSPACE_REC_601_625: x_R = rec601_625_x_R; x_G = rec601_625_x_G; x_B = rec601_625_x_B; y_R = rec601_625_y_R; y_G = rec601_625_y_G; y_B = rec601_625_y_B; break; case COLORSPACE_REC_2020: x_R = rec2020_x_R; x_G = rec2020_x_G; x_B = rec2020_x_B; y_R = rec2020_y_R; y_G = rec2020_y_G; y_B = rec2020_y_B; break; default: assert(false); } // Recover z = 1 - x - y. double z_R = 1.0 - x_R - y_R; double z_G = 1.0 - x_G - y_G; double z_B = 1.0 - x_B - y_B; // We have, for each primary (example is with red): // // X_R / (X_R + Y_R + Z_R) = x_R // Y_R / (X_R + Y_R + Z_R) = y_R // Z_R / (X_R + Y_R + Z_R) = z_R // // Some algebraic fiddling yields (unsurprisingly): // // X_R = (x_R / y_R) Y_R (so define k1 = x_R / y_R) // Z_R = (z_R / y_R) Y_R (so define k4 = z_R / y_R) // // We also know that since RGB=(1,1,1) should give us the // D65 illuminant, we must have // // X_R + X_G + X_B = D65_X // Y_R + Y_G + Y_B = D65_Y // Z_R + Z_G + Z_B = D65_Z // // But since we already know how to express X and Z by // some constant multiple of Y, this reduces to // // k1 Y_R + k2 Y_G + k3 Y_B = D65_X // Y_R + Y_G + Y_B = D65_Y // k4 Y_R + k5 Y_G + k6 Y_B = D65_Z // // Which we can solve for (Y_R, Y_G, Y_B) by inverting a 3x3 matrix. Matrix3d temp; temp(0,0) = x_R / y_R; temp(0,1) = x_G / y_G; temp(0,2) = x_B / y_B; temp(1,0) = 1.0; temp(1,1) = 1.0; temp(1,2) = 1.0; temp(2,0) = z_R / y_R; temp(2,1) = z_G / y_G; temp(2,2) = z_B / y_B; Vector3d d65_XYZ(d65_X, d65_Y, d65_Z); Vector3d Y_RGB = temp.inverse() * d65_XYZ; // Now convert xyY -> XYZ. double X_R = temp(0,0) * Y_RGB[0]; double Z_R = temp(2,0) * Y_RGB[0]; double X_G = temp(0,1) * Y_RGB[1]; double Z_G = temp(2,1) * Y_RGB[1]; double X_B = temp(0,2) * Y_RGB[2]; double Z_B = temp(2,2) * Y_RGB[2]; Matrix3d m; m(0,0) = X_R; m(0,1) = X_G; m(0,2) = X_B; m(1,0) = Y_RGB[0]; m(1,1) = Y_RGB[1]; m(1,2) = Y_RGB[2]; m(2,0) = Z_R; m(2,1) = Z_G; m(2,2) = Z_B; return m; } string ColorspaceConversionEffect::output_fragment_shader() { // Create a matrix to convert from source space -> XYZ, // another matrix to convert from XYZ -> destination space, // and then concatenate the two. // // Since we right-multiply the RGB column vector, the matrix // concatenation order needs to be the opposite of the operation order. Matrix3d source_space_to_xyz = get_xyz_matrix(source_space); Matrix3d xyz_to_destination_space = get_xyz_matrix(destination_space).inverse(); Matrix3d m = xyz_to_destination_space * source_space_to_xyz; return output_glsl_mat3("PREFIX(conversion_matrix)", m) + read_file("colorspace_conversion_effect.frag"); } } // namespace movit movit-1.7.1/alpha_multiplication_effect.cpp0000644000175000017500000000036214462263704020137 0ustar sessesesse#include "alpha_multiplication_effect.h" #include "util.h" using namespace std; namespace movit { string AlphaMultiplicationEffect::output_fragment_shader() { return read_file("alpha_multiplication_effect.frag"); } } // namespace movit movit-1.7.1/alpha_division_effect.cpp0000644000175000017500000000033214462263704016723 0ustar sessesesse#include "alpha_division_effect.h" #include "util.h" using namespace std; namespace movit { string AlphaDivisionEffect::output_fragment_shader() { return read_file("alpha_division_effect.frag"); } } // namespace movit-1.7.1/saturation_effect.cpp0000644000175000017500000000047714462263704016135 0ustar sessesesse#include "saturation_effect.h" #include "util.h" using namespace std; namespace movit { SaturationEffect::SaturationEffect() : saturation(1.0f) { register_float("saturation", &saturation); } string SaturationEffect::output_fragment_shader() { return read_file("saturation_effect.frag"); } } // namespace movit movit-1.7.1/blur_effect.cpp0000644000175000017500000001463014462263704014704 0ustar sessesesse#include #include #include #include #include "blur_effect.h" #include "effect_chain.h" #include "effect_util.h" #include "init.h" #include "util.h" using namespace std; namespace movit { BlurEffect::BlurEffect() : num_taps(16), radius(3.0f), input_width(1280), input_height(720) { // The first blur pass will forward resolution information to us. hpass = new SingleBlurPassEffect(this); CHECK(hpass->set_int("direction", SingleBlurPassEffect::HORIZONTAL)); vpass = new SingleBlurPassEffect(nullptr); CHECK(vpass->set_int("direction", SingleBlurPassEffect::VERTICAL)); update_radius(); } void BlurEffect::rewrite_graph(EffectChain *graph, Node *self) { Node *hpass_node = graph->add_node(hpass); Node *vpass_node = graph->add_node(vpass); graph->connect_nodes(hpass_node, vpass_node); graph->replace_receiver(self, hpass_node); graph->replace_sender(self, vpass_node); self->disabled = true; } // We get this information forwarded from the first blur pass, // since we are not part of the chain ourselves. void BlurEffect::inform_input_size(unsigned input_num, unsigned width, unsigned height) { assert(input_num == 0); assert(width != 0); assert(height != 0); input_width = width; input_height = height; update_radius(); } void BlurEffect::update_radius() { // We only have 16 taps to work with on each side, and we want that to // reach out to about 2.5*sigma. Bump up the mipmap levels (giving us // box blurs) until we have what we need. unsigned mipmap_width = input_width, mipmap_height = input_height; float adjusted_radius = radius; while ((mipmap_width > 1 || mipmap_height > 1) && adjusted_radius * 1.5f > num_taps / 2) { // Find the next mipmap size (round down, minimum 1 pixel). mipmap_width = max(mipmap_width / 2, 1u); mipmap_height = max(mipmap_height / 2, 1u); // Approximate when mipmap sizes are odd, but good enough. adjusted_radius = radius * float(mipmap_width) / float(input_width); } bool ok = hpass->set_float("radius", adjusted_radius); ok |= hpass->set_int("width", mipmap_width); ok |= hpass->set_int("height", mipmap_height); ok |= hpass->set_int("virtual_width", mipmap_width); ok |= hpass->set_int("virtual_height", mipmap_height); ok |= hpass->set_int("num_taps", num_taps); ok |= vpass->set_float("radius", adjusted_radius); ok |= vpass->set_int("width", mipmap_width); ok |= vpass->set_int("height", mipmap_height); ok |= vpass->set_int("virtual_width", input_width); ok |= vpass->set_int("virtual_height", input_height); ok |= vpass->set_int("num_taps", num_taps); assert(ok); } bool BlurEffect::set_float(const string &key, float value) { if (key == "radius") { radius = value; update_radius(); return true; } return false; } bool BlurEffect::set_int(const string &key, int value) { if (key == "num_taps") { if (value < 2 || value % 2 != 0) { return false; } num_taps = value; update_radius(); return true; } return false; } SingleBlurPassEffect::SingleBlurPassEffect(BlurEffect *parent) : parent(parent), num_taps(16), radius(3.0f), direction(HORIZONTAL), width(1280), height(720), uniform_samples(nullptr) { register_float("radius", &radius); register_int("direction", (int *)&direction); register_int("width", &width); register_int("height", &height); register_int("virtual_width", &virtual_width); register_int("virtual_height", &virtual_height); register_int("num_taps", &num_taps); } SingleBlurPassEffect::~SingleBlurPassEffect() { delete[] uniform_samples; } string SingleBlurPassEffect::output_fragment_shader() { char buf[256]; sprintf(buf, "#define DIRECTION_VERTICAL %d\n#define NUM_TAPS %d\n", (direction == VERTICAL), num_taps); uniform_samples = new float[2 * (num_taps / 2 + 1)]; register_uniform_vec2_array("samples", uniform_samples, num_taps / 2 + 1); return buf + read_file("blur_effect.frag"); } void SingleBlurPassEffect::set_gl_state(GLuint glsl_program_num, const string &prefix, unsigned *sampler_num) { Effect::set_gl_state(glsl_program_num, prefix, sampler_num); // Compute the weights; they will be symmetrical, so we only compute // the right side. float* weight = new float[num_taps + 1]; if (radius < 1e-3) { weight[0] = 1.0f; for (int i = 1; i < num_taps + 1; ++i) { weight[i] = 0.0f; } } else { float sum = 0.0f; for (int i = 0; i < num_taps + 1; ++i) { // Gaussian blur is a common, but maybe not the prettiest choice; // it can feel a bit too blurry in the fine detail and too little // long-tail. This is a simple logistic distribution, which has // a narrower peak but longer tails. // // We interpret the radius as sigma, similar to Gaussian blur. // Wikipedia says that sigma² = pi² s² / 3, which yields: const float s = (sqrt(3.0) / M_PI) * radius; float z = i / (2.0 * s); weight[i] = 1.0f / (cosh(z) * cosh(z)); if (i == 0) { sum += weight[i]; } else { sum += 2.0f * weight[i]; } } for (int i = 0; i < num_taps + 1; ++i) { weight[i] /= sum; } } // Since the GPU gives us bilinear sampling for free, we can get two // samples for the price of one (for every but the center sample, // in which case this trick doesn't buy us anything). Simply sample // between the two pixel centers, and we can do with fewer weights. // (This is right even in the vertical pass where we don't actually // sample between the pixels, because we have linear interpolation // there too.) // // We pack the parameters into a float4: The relative sample coordinates // in (x,y), and the weight in z. w is unused. // Center sample. uniform_samples[2 * 0 + 0] = 0.0f; uniform_samples[2 * 0 + 1] = weight[0]; int size; if (direction == HORIZONTAL) { size = width; } else if (direction == VERTICAL) { size = height; } else { assert(false); } float num_subtexels = size / movit_texel_subpixel_precision; float inv_num_subtexels = movit_texel_subpixel_precision / size; // All other samples. for (int i = 1; i < num_taps / 2 + 1; ++i) { unsigned base_pos = i * 2 - 1; float w1 = weight[base_pos]; float w2 = weight[base_pos + 1]; float pos1 = base_pos / (float)size; float pos, total_weight; combine_two_samples(w1, w2, pos1, 1.0 / (float)size, size, num_subtexels, inv_num_subtexels, &pos, &total_weight, nullptr); uniform_samples[2 * i + 0] = pos; uniform_samples[2 * i + 1] = total_weight; } delete[] weight; } void SingleBlurPassEffect::clear_gl_state() { } } // namespace movit movit-1.7.1/diffusion_effect.cpp0000644000175000017500000000253514462263704015727 0ustar sessesesse#include #include #include "blur_effect.h" #include "diffusion_effect.h" #include "effect_chain.h" #include "util.h" using namespace std; namespace movit { DiffusionEffect::DiffusionEffect() : blur(new BlurEffect), overlay_matte(new OverlayMatteEffect), owns_overlay_matte(true) { } DiffusionEffect::~DiffusionEffect() { if (owns_overlay_matte) { delete overlay_matte; } } void DiffusionEffect::rewrite_graph(EffectChain *graph, Node *self) { assert(self->incoming_links.size() == 1); Node *input = self->incoming_links[0]; Node *blur_node = graph->add_node(blur); Node *overlay_matte_node = graph->add_node(overlay_matte); owns_overlay_matte = false; graph->replace_receiver(self, overlay_matte_node); graph->connect_nodes(input, blur_node); graph->connect_nodes(blur_node, overlay_matte_node); graph->replace_sender(self, overlay_matte_node); self->disabled = true; } bool DiffusionEffect::set_float(const string &key, float value) { if (key == "blurred_mix_amount") { return overlay_matte->set_float(key, value); } return blur->set_float(key, value); } OverlayMatteEffect::OverlayMatteEffect() : blurred_mix_amount(0.3f) { register_float("blurred_mix_amount", &blurred_mix_amount); } string OverlayMatteEffect::output_fragment_shader() { return read_file("overlay_matte_effect.frag"); } } // namespace movit movit-1.7.1/glow_effect.cpp0000644000175000017500000000276714462263704014720 0ustar sessesesse#include #include #include "blur_effect.h" #include "effect_chain.h" #include "glow_effect.h" #include "mix_effect.h" #include "util.h" using namespace std; namespace movit { GlowEffect::GlowEffect() : blur(new BlurEffect), cutoff(new HighlightCutoffEffect), mix(new MixEffect) { CHECK(blur->set_float("radius", 20.0f)); CHECK(mix->set_float("strength_first", 1.0f)); CHECK(mix->set_float("strength_second", 1.0f)); CHECK(cutoff->set_float("cutoff", 0.2f)); } void GlowEffect::rewrite_graph(EffectChain *graph, Node *self) { assert(self->incoming_links.size() == 1); Node *input = self->incoming_links[0]; Node *blur_node = graph->add_node(blur); Node *mix_node = graph->add_node(mix); Node *cutoff_node = graph->add_node(cutoff); graph->replace_receiver(self, mix_node); graph->connect_nodes(input, cutoff_node); graph->connect_nodes(cutoff_node, blur_node); graph->connect_nodes(blur_node, mix_node); graph->replace_sender(self, mix_node); self->disabled = true; } bool GlowEffect::set_float(const string &key, float value) { if (key == "blurred_mix_amount") { return mix->set_float("strength_second", value); } if (key == "highlight_cutoff") { return cutoff->set_float("cutoff", value); } return blur->set_float(key, value); } HighlightCutoffEffect::HighlightCutoffEffect() : cutoff(0.0f) { register_float("cutoff", &cutoff); } string HighlightCutoffEffect::output_fragment_shader() { return read_file("highlight_cutoff_effect.frag"); } } // namespace movit movit-1.7.1/unsharp_mask_effect.cpp0000644000175000017500000000212014462263704016422 0ustar sessesesse#include #include #include "blur_effect.h" #include "effect_chain.h" #include "mix_effect.h" #include "unsharp_mask_effect.h" #include "util.h" using namespace std; namespace movit { UnsharpMaskEffect::UnsharpMaskEffect() : blur(new BlurEffect), mix(new MixEffect) { CHECK(mix->set_float("strength_first", 1.0f)); CHECK(mix->set_float("strength_second", -0.3f)); } void UnsharpMaskEffect::rewrite_graph(EffectChain *graph, Node *self) { assert(self->incoming_links.size() == 1); Node *input = self->incoming_links[0]; Node *blur_node = graph->add_node(blur); Node *mix_node = graph->add_node(mix); graph->replace_receiver(self, mix_node); graph->connect_nodes(input, blur_node); graph->connect_nodes(blur_node, mix_node); graph->replace_sender(self, mix_node); self->disabled = true; } bool UnsharpMaskEffect::set_float(const string &key, float value) { if (key == "amount") { bool ok = mix->set_float("strength_first", 1.0f + value); return ok && mix->set_float("strength_second", -value); } return blur->set_float(key, value); } } // namespace movit movit-1.7.1/mix_effect.cpp0000644000175000017500000000056514462263704014537 0ustar sessesesse#include "mix_effect.h" #include "util.h" using namespace std; namespace movit { MixEffect::MixEffect() : strength_first(0.5f), strength_second(0.5f) { register_float("strength_first", &strength_first); register_float("strength_second", &strength_second); } string MixEffect::output_fragment_shader() { return read_file("mix_effect.frag"); } } // namespace movit movit-1.7.1/overlay_effect.cpp0000644000175000017500000000062514462263704015420 0ustar sessesesse#include "overlay_effect.h" #include "util.h" using namespace std; namespace movit { OverlayEffect::OverlayEffect() : swap_inputs(false) { register_int("swap_inputs", (int *)&swap_inputs); } string OverlayEffect::output_fragment_shader() { char buf[256]; snprintf(buf, sizeof(buf), "#define SWAP_INPUTS %d\n", swap_inputs); return buf + read_file("overlay_effect.frag"); } } // namespace movit movit-1.7.1/padding_effect.cpp0000644000175000017500000001177314462263704015353 0ustar sessesesse#include #include #include "effect_util.h" #include "padding_effect.h" #include "util.h" using namespace std; namespace movit { PaddingEffect::PaddingEffect() : border_color(0.0f, 0.0f, 0.0f, 0.0f), output_width(1280), output_height(720), top(0), left(0), border_offset_top(0.0f), border_offset_left(0.0f), border_offset_bottom(0.0f), border_offset_right(0.0f) { register_vec4("border_color", (float *)&border_color); register_int("width", &output_width); register_int("height", &output_height); register_float("top", &top); register_float("left", &left); register_float("border_offset_top", &border_offset_top); register_float("border_offset_left", &border_offset_left); register_float("border_offset_bottom", &border_offset_bottom); register_float("border_offset_right", &border_offset_right); register_uniform_vec2("offset", uniform_offset); register_uniform_vec2("scale", uniform_scale); register_uniform_vec2("normalized_coords_to_texels", uniform_normalized_coords_to_texels); register_uniform_vec2("offset_bottomleft", uniform_offset_bottomleft); register_uniform_vec2("offset_topright", uniform_offset_topright); } string PaddingEffect::output_fragment_shader() { return read_file("padding_effect.frag"); } void PaddingEffect::set_gl_state(GLuint glsl_program_num, const string &prefix, unsigned *sampler_num) { Effect::set_gl_state(glsl_program_num, prefix, sampler_num); uniform_offset[0] = left / output_width; uniform_offset[1] = (output_height - input_height - top) / output_height; uniform_scale[0] = float(output_width) / input_width; uniform_scale[1] = float(output_height) / input_height; uniform_normalized_coords_to_texels[0] = float(input_width); uniform_normalized_coords_to_texels[1] = float(input_height); // Texels -0.5..0.5 should map to light level 0..1 (and then we // clamp the rest). uniform_offset_bottomleft[0] = 0.5f - border_offset_left; uniform_offset_bottomleft[1] = 0.5f + border_offset_bottom; // Texels size-0.5..size+0.5 should map to light level 1..0 (and then clamp). uniform_offset_topright[0] = input_width + 0.5f + border_offset_right; uniform_offset_topright[1] = input_height + 0.5f - border_offset_top; } // We don't change the pixels of the image itself, so the only thing that // can make us less flexible is if the border color can be interpreted // differently in different modes. // 0.0 and 1.0 are interpreted the same, no matter the gamma ramp. // Alpha is not affected by gamma per se, but the combination of // premultiplied alpha and non-linear gamma curve does not make sense, // so if could possibly be converting blank alpha to non-blank // (ie., premultiplied), we need our output to be in linear light. bool PaddingEffect::needs_linear_light() const { if ((border_color.r == 0.0 || border_color.r == 1.0) && (border_color.g == 0.0 || border_color.g == 1.0) && (border_color.b == 0.0 || border_color.b == 1.0) && border_color.a == 1.0) { return false; } return true; } // The white point is the same (D65) in all the color spaces we currently support, // so any gray would be okay, but we don't really have a guarantee for that. // Stay safe and say that only pure black and pure white is okay. // Alpha is not affected by color space. bool PaddingEffect::needs_srgb_primaries() const { if (border_color.r == 0.0 && border_color.g == 0.0 && border_color.b == 0.0) { return false; } if (border_color.r == 1.0 && border_color.g == 1.0 && border_color.b == 1.0) { return false; } return true; } Effect::AlphaHandling PaddingEffect::alpha_handling() const { // If the border color is solid, it doesn't matter if we're pre- or postmultiplied. if (border_color.a == 1.0) { return DONT_CARE_ALPHA_TYPE; } // Otherwise, we're going to output our border color in premultiplied alpha, // so the other pixels better be premultiplied as well. // Note that for non-solid black (i.e. alpha < 1.0), we're equally fine with // pre- and postmultiplied, but we are _not_ fine with blank being passed through, // and we don't have a way to specify that. return INPUT_AND_OUTPUT_PREMULTIPLIED_ALPHA; } void PaddingEffect::get_output_size(unsigned *width, unsigned *height, unsigned *virtual_width, unsigned *virtual_height) const { *virtual_width = *width = output_width; *virtual_height = *height = output_height; } void PaddingEffect::inform_input_size(unsigned input_num, unsigned width, unsigned height) { assert(input_num == 0); input_width = width; input_height = height; } IntegralPaddingEffect::IntegralPaddingEffect() {} bool IntegralPaddingEffect::set_int(const std::string &key, int value) { if (key == "top" || key == "left") { return PaddingEffect::set_float(key, value); } else { return PaddingEffect::set_int(key, value); } } bool IntegralPaddingEffect::set_float(const std::string &key, float value) { if (key == "top" || key == "left") { // These are removed as float parameters from this version. return false; } else { return PaddingEffect::set_float(key, value); } } } // namespace movit movit-1.7.1/resample_effect.cpp0000644000175000017500000006412614462263704015555 0ustar sessesesse// Three-lobed Lanczos, the most common choice. // Note that if you change this, the accuracy for LANCZOS_TABLE_SIZE // needs to be recomputed. #define LANCZOS_RADIUS 3.0f #include #include #include #include #include #include #include #include #include #include #include "effect_chain.h" #include "effect_util.h" #include "fp16.h" #include "init.h" #include "resample_effect.h" #include "util.h" using namespace Eigen; using namespace std; namespace movit { namespace { float sinc(float x) { if (fabs(x) < 1e-6) { return 1.0f - fabs(x); } else { return sin(x) / x; } } float lanczos_weight(float x) { if (fabs(x) > LANCZOS_RADIUS) { return 0.0f; } else { return sinc(M_PI * x) * sinc((M_PI / LANCZOS_RADIUS) * x); } } // The weight function can be expensive to compute over and over again // (which will happen during e.g. a zoom), but it is also easy to interpolate // linearly. We compute the right half of the function (in the range of // 0..LANCZOS_RADIUS), with two guard elements for easier interpolation, and // linearly interpolate to get our function. // // We want to scale the table so that the maximum error is always smaller // than 1e-6. As per http://www-solar.mcs.st-andrews.ac.uk/~clare/Lectures/num-analysis/Numan_chap3.pdf, // the error for interpolating a function linearly between points [a,b] is // // e = 1/2 (x-a)(x-b) f''(u_x) // // for some point u_x in [a,b] (where f(x) is our Lanczos function; we're // assuming LANCZOS_RADIUS=3 from here on). Obviously this is bounded by // f''(x) over the entire range. Numeric optimization shows the maximum of // |f''(x)| to be in x=1.09369819474562880, with the value 2.40067758733152381. // So if the steps between consecutive values are called d, we get // // |e| <= 1/2 (d/2)^2 2.4007 // |e| <= 0.1367 d^2 // // Solve for e = 1e-6 yields a step size of 0.0027, which to cover the range // 0..3 needs 1109 steps. We round up to the next power of two, just to be sure. // // You need to call lanczos_table_init_done before the first call to // lanczos_weight_cached. #define LANCZOS_TABLE_SIZE 2048 static once_flag lanczos_table_init_done; float lanczos_table[LANCZOS_TABLE_SIZE + 2]; void init_lanczos_table() { for (unsigned i = 0; i < LANCZOS_TABLE_SIZE + 2; ++i) { lanczos_table[i] = lanczos_weight(float(i) * (LANCZOS_RADIUS / LANCZOS_TABLE_SIZE)); } } float lanczos_weight_cached(float x) { x = fabs(x); if (x > LANCZOS_RADIUS) { return 0.0f; } float table_pos = x * (LANCZOS_TABLE_SIZE / LANCZOS_RADIUS); unsigned table_pos_int = int(table_pos); // Truncate towards zero. float table_pos_frac = table_pos - table_pos_int; assert(table_pos < LANCZOS_TABLE_SIZE + 2); return lanczos_table[table_pos_int] + table_pos_frac * (lanczos_table[table_pos_int + 1] - lanczos_table[table_pos_int]); } // Euclid's algorithm, from Wikipedia. unsigned gcd(unsigned a, unsigned b) { while (b != 0) { unsigned t = b; b = a % b; a = t; } return a; } template unsigned combine_samples(const Tap *src, Tap *dst, float num_subtexels, float inv_num_subtexels, unsigned num_src_samples, unsigned max_samples_saved, float pos1_pos2_diff, float inv_pos1_pos2_diff) { // Cut off near-zero values at both sides. unsigned num_samples_saved = 0; while (num_samples_saved < max_samples_saved && num_src_samples > 0 && fabs(src[0].weight) < 1e-6) { ++src; --num_src_samples; ++num_samples_saved; } while (num_samples_saved < max_samples_saved && num_src_samples > 0 && fabs(src[num_src_samples - 1].weight) < 1e-6) { --num_src_samples; ++num_samples_saved; } for (unsigned i = 0, j = 0; i < num_src_samples; ++i, ++j) { // Copy the sample directly; it will be overwritten later if we can combine. if (dst != nullptr) { dst[j].weight = convert_float(src[i].weight); dst[j].pos = convert_float(src[i].pos); } if (i == num_src_samples - 1) { // Last sample; cannot combine. continue; } assert(num_samples_saved <= max_samples_saved); if (num_samples_saved == max_samples_saved) { // We could maybe save more here, but other rows can't, so don't bother. continue; } float w1 = src[i].weight; float w2 = src[i + 1].weight; if (w1 * w2 < 0.0f) { // Differing signs; cannot combine. continue; } float pos1 = src[i].pos; float pos2 = src[i + 1].pos; assert(pos2 > pos1); DestFloat pos, total_weight; float sum_sq_error; combine_two_samples(w1, w2, pos1, pos1_pos2_diff, inv_pos1_pos2_diff, num_subtexels, inv_num_subtexels, &pos, &total_weight, &sum_sq_error); // If the interpolation error is larger than that of about sqrt(2) of // a level at 8-bit precision, don't combine. (You'd think 1.0 was enough, // but since the artifacts are not really random, they can get quite // visible. On the other hand, going to 0.25f, I can see no change at // all with 8-bit output, so it would not seem to be worth it.) if (sum_sq_error > 0.5f / (255.0f * 255.0f)) { continue; } // OK, we can combine this and the next sample. if (dst != nullptr) { dst[j].weight = total_weight; dst[j].pos = pos; } ++i; // Skip the next sample. ++num_samples_saved; } return num_samples_saved; } // Normalize so that the sum becomes one. Note that we do it twice; // this sometimes helps a tiny little bit when we have many samples. template void normalize_sum(Tap* vals, unsigned num) { for (int normalize_pass = 0; normalize_pass < 2; ++normalize_pass) { float sum = 0.0; for (unsigned i = 0; i < num; ++i) { sum += to_fp32(vals[i].weight); } float inv_sum = 1.0 / sum; for (unsigned i = 0; i < num; ++i) { vals[i].weight = from_fp32(to_fp32(vals[i].weight) * inv_sum); } } } // Make use of the bilinear filtering in the GPU to reduce the number of samples // we need to make. This is a bit more complex than BlurEffect since we cannot combine // two neighboring samples if their weights have differing signs, so we first need to // figure out the maximum number of samples. Then, we downconvert all the weights to // that number -- we could have gone for a variable-length system, but this is simpler, // and the gains would probably be offset by the extra cost of checking when to stop. // // The greedy strategy for combining samples is optimal. template unsigned combine_many_samples(const Tap *weights, unsigned src_size, unsigned src_samples, unsigned dst_samples, unique_ptr[]> *bilinear_weights) { float num_subtexels = src_size / movit_texel_subpixel_precision; float inv_num_subtexels = movit_texel_subpixel_precision / src_size; float pos1_pos2_diff = 1.0f / src_size; float inv_pos1_pos2_diff = src_size; unsigned max_samples_saved = UINT_MAX; for (unsigned y = 0; y < dst_samples && max_samples_saved > 0; ++y) { unsigned num_samples_saved = combine_samples(weights + y * src_samples, nullptr, num_subtexels, inv_num_subtexels, src_samples, max_samples_saved, pos1_pos2_diff, inv_pos1_pos2_diff); max_samples_saved = min(max_samples_saved, num_samples_saved); } // Now that we know the right width, actually combine the samples. unsigned src_bilinear_samples = src_samples - max_samples_saved; bilinear_weights->reset(new Tap[dst_samples * src_bilinear_samples]); for (unsigned y = 0; y < dst_samples; ++y) { Tap *bilinear_weights_ptr = bilinear_weights->get() + y * src_bilinear_samples; unsigned num_samples_saved = combine_samples( weights + y * src_samples, bilinear_weights_ptr, num_subtexels, inv_num_subtexels, src_samples, max_samples_saved, pos1_pos2_diff, inv_pos1_pos2_diff); assert(num_samples_saved == max_samples_saved); normalize_sum(bilinear_weights_ptr, src_bilinear_samples); } return src_bilinear_samples; } // Compute the sum of squared errors between the ideal weights (which are // assumed to fall exactly on pixel centers) and the weights that result // from sampling at . The primary reason for the difference // is inaccuracy in the sampling positions, both due to limited precision // in storing them (already inherent in sending them in as fp16_int_t) // and in subtexel sampling precision (which we calculate in this function). template double compute_sum_sq_error(const Tap* weights, unsigned num_weights, const Tap* bilinear_weights, unsigned num_bilinear_weights, unsigned size) { // Find the effective range of the bilinear-optimized kernel. // Due to rounding of the positions, this is not necessarily the same // as the intended range (ie., the range of the original weights). int lower_pos = int(floor(to_fp32(bilinear_weights[0].pos) * size - 0.5f)); int upper_pos = int(ceil(to_fp32(bilinear_weights[num_bilinear_weights - 1].pos) * size - 0.5f)) + 2; lower_pos = min(lower_pos, lrintf(weights[0].pos * size - 0.5f)); upper_pos = max(upper_pos, lrintf(weights[num_weights - 1].pos * size - 0.5f) + 1); float* effective_weights = new float[upper_pos - lower_pos]; for (int i = 0; i < upper_pos - lower_pos; ++i) { effective_weights[i] = 0.0f; } // Now find the effective weights that result from this sampling. for (unsigned i = 0; i < num_bilinear_weights; ++i) { const float pixel_pos = to_fp32(bilinear_weights[i].pos) * size - 0.5f; const int x0 = int(floor(pixel_pos)) - lower_pos; const int x1 = x0 + 1; const float f = lrintf((pixel_pos - (x0 + lower_pos)) / movit_texel_subpixel_precision) * movit_texel_subpixel_precision; assert(x0 >= 0); assert(x1 >= 0); assert(x0 < upper_pos - lower_pos); assert(x1 < upper_pos - lower_pos); effective_weights[x0] += to_fp32(bilinear_weights[i].weight) * (1.0f - f); effective_weights[x1] += to_fp32(bilinear_weights[i].weight) * f; } // Subtract the desired weights to get the error. for (unsigned i = 0; i < num_weights; ++i) { const int x = lrintf(weights[i].pos * size - 0.5f) - lower_pos; assert(x >= 0); assert(x < upper_pos - lower_pos); effective_weights[x] -= weights[i].weight; } double sum_sq_error = 0.0; for (unsigned i = 0; i < num_weights; ++i) { sum_sq_error += effective_weights[i] * effective_weights[i]; } delete[] effective_weights; return sum_sq_error; } } // namespace ResampleEffect::ResampleEffect() : input_width(1280), input_height(720), offset_x(0.0f), offset_y(0.0f), zoom_x(1.0f), zoom_y(1.0f), zoom_center_x(0.5f), zoom_center_y(0.5f) { register_int("width", &output_width); register_int("height", &output_height); // The first blur pass will forward resolution information to us. hpass_owner.reset(new SingleResamplePassEffect(this)); hpass = hpass_owner.get(); CHECK(hpass->set_int("direction", SingleResamplePassEffect::HORIZONTAL)); vpass_owner.reset(new SingleResamplePassEffect(this)); vpass = vpass_owner.get(); CHECK(vpass->set_int("direction", SingleResamplePassEffect::VERTICAL)); update_size(); } ResampleEffect::~ResampleEffect() { } void ResampleEffect::rewrite_graph(EffectChain *graph, Node *self) { Node *hpass_node = graph->add_node(hpass_owner.release()); Node *vpass_node = graph->add_node(vpass_owner.release()); graph->connect_nodes(hpass_node, vpass_node); graph->replace_receiver(self, hpass_node); graph->replace_sender(self, vpass_node); self->disabled = true; } // We get this information forwarded from the first blur pass, // since we are not part of the chain ourselves. void ResampleEffect::inform_input_size(unsigned input_num, unsigned width, unsigned height) { assert(input_num == 0); assert(width != 0); assert(height != 0); input_width = width; input_height = height; update_size(); } void ResampleEffect::update_size() { bool ok = true; ok |= hpass->set_int("input_width", input_width); ok |= hpass->set_int("input_height", input_height); ok |= hpass->set_int("output_width", output_width); ok |= hpass->set_int("output_height", input_height); ok |= vpass->set_int("input_width", output_width); ok |= vpass->set_int("input_height", input_height); ok |= vpass->set_int("output_width", output_width); ok |= vpass->set_int("output_height", output_height); assert(ok); // The offset added due to zoom may have changed with the size. update_offset_and_zoom(); } void ResampleEffect::update_offset_and_zoom() { bool ok = true; // Zoom from the right origin. (zoom_center is given in normalized coordinates, // i.e. 0..1.) float extra_offset_x = zoom_center_x * (1.0f - 1.0f / zoom_x) * input_width; float extra_offset_y = (1.0f - zoom_center_y) * (1.0f - 1.0f / zoom_y) * input_height; ok |= hpass->set_float("offset", extra_offset_x + offset_x); ok |= vpass->set_float("offset", extra_offset_y - offset_y); // Compensate for the bottom-left origin. ok |= hpass->set_float("zoom", zoom_x); ok |= vpass->set_float("zoom", zoom_y); assert(ok); } bool ResampleEffect::set_float(const string &key, float value) { if (key == "width") { output_width = value; update_size(); return true; } if (key == "height") { output_height = value; update_size(); return true; } if (key == "top") { offset_y = value; update_offset_and_zoom(); return true; } if (key == "left") { offset_x = value; update_offset_and_zoom(); return true; } if (key == "zoom_x") { if (value <= 0.0f) { return false; } zoom_x = value; update_offset_and_zoom(); return true; } if (key == "zoom_y") { if (value <= 0.0f) { return false; } zoom_y = value; update_offset_and_zoom(); return true; } if (key == "zoom_center_x") { zoom_center_x = value; update_offset_and_zoom(); return true; } if (key == "zoom_center_y") { zoom_center_y = value; update_offset_and_zoom(); return true; } return false; } SingleResamplePassEffect::SingleResamplePassEffect(ResampleEffect *parent) : parent(parent), direction(HORIZONTAL), input_width(1280), input_height(720), offset(0.0), zoom(1.0), last_input_width(-1), last_input_height(-1), last_output_width(-1), last_output_height(-1), last_offset(0.0 / 0.0), // NaN. last_zoom(0.0 / 0.0) // NaN. { register_int("direction", (int *)&direction); register_int("input_width", &input_width); register_int("input_height", &input_height); register_int("output_width", &output_width); register_int("output_height", &output_height); register_float("offset", &offset); register_float("zoom", &zoom); register_uniform_sampler2d("sample_tex", &uniform_sample_tex); register_uniform_int("num_samples", &uniform_num_samples); register_uniform_float("num_loops", &uniform_num_loops); register_uniform_float("slice_height", &uniform_slice_height); register_uniform_float("sample_x_scale", &uniform_sample_x_scale); register_uniform_float("sample_x_offset", &uniform_sample_x_offset); register_uniform_float("whole_pixel_offset", &uniform_whole_pixel_offset); call_once(lanczos_table_init_done, init_lanczos_table); } SingleResamplePassEffect::~SingleResamplePassEffect() { } string SingleResamplePassEffect::output_fragment_shader() { char buf[256]; sprintf(buf, "#define DIRECTION_VERTICAL %d\n", (direction == VERTICAL)); return buf + read_file("resample_effect.frag"); } // Using vertical scaling as an example: // // Generally out[y] = w0 * in[yi] + w1 * in[yi + 1] + w2 * in[yi + 2] + ... // // Obviously, yi will depend on y (in a not-quite-linear way), but so will // the weights w0, w1, w2, etc.. The easiest way of doing this is to encode, // for each sample, the weight and the yi value, e.g. , , // and so on. For each y, we encode these along the x-axis (since that is spare), // so out[0] will read from parameters = <0,0>, <1,0>, <2,0> and so on. // // For horizontal scaling, we fill in the exact same texture; // the shader just interprets it differently. void SingleResamplePassEffect::update_texture(GLuint glsl_program_num, const string &prefix, unsigned *sampler_num) { unsigned src_size, dst_size; if (direction == SingleResamplePassEffect::HORIZONTAL) { assert(input_height == output_height); src_size = input_width; dst_size = output_width; } else if (direction == SingleResamplePassEffect::VERTICAL) { assert(input_width == output_width); src_size = input_height; dst_size = output_height; } else { assert(false); } ScalingWeights weights = calculate_bilinear_scaling_weights(src_size, dst_size, zoom, offset); src_bilinear_samples = weights.src_bilinear_samples; num_loops = weights.num_loops; slice_height = 1.0f / weights.num_loops; // Encode as a two-component texture. Note the GL_REPEAT. glActiveTexture(GL_TEXTURE0 + *sampler_num); check_error(); glBindTexture(GL_TEXTURE_2D, tex.get_texnum()); check_error(); GLenum type, internal_format; void *pixels; assert((weights.bilinear_weights_fp16 == nullptr) != (weights.bilinear_weights_fp32 == nullptr)); if (weights.bilinear_weights_fp32 != nullptr) { type = GL_FLOAT; internal_format = GL_RG32F; pixels = weights.bilinear_weights_fp32.get(); } else { type = GL_HALF_FLOAT; internal_format = GL_RG16F; pixels = weights.bilinear_weights_fp16.get(); } tex.update(weights.src_bilinear_samples, weights.dst_samples, internal_format, GL_RG, type, pixels); } namespace { ScalingWeights calculate_scaling_weights(unsigned src_size, unsigned dst_size, float zoom, float offset) { // Only needed if run from outside ResampleEffect. call_once(lanczos_table_init_done, init_lanczos_table); // For many resamplings (e.g. 640 -> 1280), we will end up with the same // set of samples over and over again in a loop. Thus, we can compute only // the first such loop, and then ask the card to repeat the texture for us. // This is both easier on the texture cache and lowers our CPU cost for // generating the kernel somewhat. float scaling_factor; int num_loops; if (fabs(zoom - 1.0f) < 1e-6) { num_loops = gcd(src_size, dst_size); scaling_factor = float(dst_size) / float(src_size); } else { // If zooming is enabled (ie., zoom != 1), we turn off the looping. // We _could_ perhaps do it for rational zoom levels (especially // things like 2:1), but it doesn't seem to be worth it, given that // the most common use case would seem to be varying the zoom // from frame to frame. num_loops = 1; scaling_factor = zoom * float(dst_size) / float(src_size); } unsigned dst_samples = dst_size / num_loops; // Sample the kernel in the right place. A diagram with a triangular kernel // (corresponding to linear filtering, and obviously with radius 1) // for easier ASCII art drawing: // // * // / \ | // / \ | // / \ | // x---x---x x x---x---x---x // // Scaling up (in this case, 2x) means sampling more densely: // // * // / \ | // / \ | // / \ | // x-x-x-x-x-x x x x-x-x-x-x-x-x-x // // When scaling up, any destination pixel will only be influenced by a few // (in this case, two) neighboring pixels, and more importantly, the number // will not be influenced by the scaling factor. (Note, however, that the // pixel centers have moved, due to OpenGL's center-pixel convention.) // The only thing that changes is the weights themselves, as the sampling // points are at different distances from the original pixels. // // Scaling down is a different story: // // * // / \ | // / \ | // / \ | // --x------ x --x-------x-- // // Again, the pixel centers have moved in a maybe unintuitive fashion, // although when you consider that there are multiple source pixels around, // it's not so bad as at first look: // // * * * * // / \ / \ / \ / \ | // / X X X \ | // / / \ / \ / \ \ | // --x-------x-------x-------x-- // // As you can see, the new pixels become averages of the two neighboring old // ones (the situation for Lanczos is of course more complex). // // Anyhow, in this case we clearly need to look at more source pixels // to compute the destination pixel, and how many depend on the scaling factor. // Thus, the kernel width will vary with how much we scale. float radius_scaling_factor = min(scaling_factor, 1.0f); const int int_radius = lrintf(LANCZOS_RADIUS / radius_scaling_factor); const int src_samples = int_radius * 2 + 1; unique_ptr[]> weights(new Tap[dst_samples * src_samples]); float subpixel_offset = offset - lrintf(offset); // The part not covered by whole_pixel_offset. assert(subpixel_offset >= -0.5f && subpixel_offset <= 0.5f); float inv_scaling_factor = 1.0f / scaling_factor; for (unsigned y = 0; y < dst_samples; ++y) { // Find the point around which we want to sample the source image, // compensating for differing pixel centers as the scale changes. float center_src_y = (y + 0.5f) * inv_scaling_factor - 0.5f; int base_src_y = lrintf(center_src_y); // Now sample pixels on each side around that point. float inv_src_size = 1.0 / float(src_size); for (int i = 0; i < src_samples; ++i) { int src_y = base_src_y + i - int_radius; float weight = lanczos_weight_cached(radius_scaling_factor * (src_y - center_src_y - subpixel_offset)); weights[y * src_samples + i].weight = weight * radius_scaling_factor; weights[y * src_samples + i].pos = (src_y + 0.5f) * inv_src_size; } } ScalingWeights ret; ret.src_bilinear_samples = src_samples; ret.dst_samples = dst_samples; ret.num_loops = num_loops; ret.bilinear_weights_fp16 = nullptr; ret.bilinear_weights_fp32 = move(weights); return ret; } } // namespace ScalingWeights calculate_bilinear_scaling_weights(unsigned src_size, unsigned dst_size, float zoom, float offset) { ScalingWeights ret = calculate_scaling_weights(src_size, dst_size, zoom, offset); unique_ptr[]> weights = move(ret.bilinear_weights_fp32); const int src_samples = ret.src_bilinear_samples; // Now make use of the bilinear filtering in the GPU to reduce the number of samples // we need to make. Try fp16 first; if it's not accurate enough, we go to fp32. // Our tolerance level for total error is a bit higher than the one for invididual // samples, since one would assume overall errors in the shape don't matter as much. const float max_error = 2.0f / (255.0f * 255.0f); unique_ptr[]> bilinear_weights_fp16; int src_bilinear_samples = combine_many_samples(weights.get(), src_size, src_samples, ret.dst_samples, &bilinear_weights_fp16); unique_ptr[]> bilinear_weights_fp32 = nullptr; double max_sum_sq_error_fp16 = 0.0; for (unsigned y = 0; y < ret.dst_samples; ++y) { double sum_sq_error_fp16 = compute_sum_sq_error( weights.get() + y * src_samples, src_samples, bilinear_weights_fp16.get() + y * src_bilinear_samples, src_bilinear_samples, src_size); max_sum_sq_error_fp16 = std::max(max_sum_sq_error_fp16, sum_sq_error_fp16); if (max_sum_sq_error_fp16 > max_error) { break; } } if (max_sum_sq_error_fp16 > max_error) { bilinear_weights_fp16.reset(); src_bilinear_samples = combine_many_samples(weights.get(), src_size, src_samples, ret.dst_samples, &bilinear_weights_fp32); } ret.src_bilinear_samples = src_bilinear_samples; ret.bilinear_weights_fp16 = move(bilinear_weights_fp16); ret.bilinear_weights_fp32 = move(bilinear_weights_fp32); return ret; } void SingleResamplePassEffect::set_gl_state(GLuint glsl_program_num, const string &prefix, unsigned *sampler_num) { Effect::set_gl_state(glsl_program_num, prefix, sampler_num); assert(input_width > 0); assert(input_height > 0); assert(output_width > 0); assert(output_height > 0); if (input_width != last_input_width || input_height != last_input_height || output_width != last_output_width || output_height != last_output_height || offset != last_offset || zoom != last_zoom) { update_texture(glsl_program_num, prefix, sampler_num); last_input_width = input_width; last_input_height = input_height; last_output_width = output_width; last_output_height = output_height; last_offset = offset; last_zoom = zoom; } glActiveTexture(GL_TEXTURE0 + *sampler_num); check_error(); glBindTexture(GL_TEXTURE_2D, tex.get_texnum()); check_error(); uniform_sample_tex = *sampler_num; ++*sampler_num; uniform_num_samples = src_bilinear_samples; uniform_num_loops = num_loops; uniform_slice_height = slice_height; // Instructions for how to convert integer sample numbers to positions in the weight texture. uniform_sample_x_scale = 1.0f / src_bilinear_samples; uniform_sample_x_offset = 0.5f / src_bilinear_samples; if (direction == SingleResamplePassEffect::VERTICAL) { uniform_whole_pixel_offset = lrintf(offset) / float(input_height); } else { uniform_whole_pixel_offset = lrintf(offset) / float(input_width); } } Support2DTexture::Support2DTexture() { glGenTextures(1, &texnum); check_error(); glBindTexture(GL_TEXTURE_2D, texnum); check_error(); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); check_error(); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT); check_error(); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT); check_error(); } Support2DTexture::~Support2DTexture() { glDeleteTextures(1, &texnum); check_error(); } void Support2DTexture::update(GLint width, GLint height, GLenum internal_format, GLenum format, GLenum type, const GLvoid * data) { glBindTexture(GL_TEXTURE_2D, texnum); check_error(); if (width == last_texture_width && height == last_texture_height && internal_format == last_texture_internal_format) { // Texture dimensions and type are unchanged; it is more efficient // to just update it rather than making an entirely new texture. glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, width, height, format, type, data); check_error(); } else { glTexImage2D(GL_TEXTURE_2D, 0, internal_format, width, height, 0, format, type, data); check_error(); last_texture_width = width; last_texture_height = height; last_texture_internal_format = internal_format; } } } // namespace movit movit-1.7.1/dither_effect.cpp0000644000175000017500000001013114462263704015207 0ustar sessesesse#include #include #include #include #include "dither_effect.h" #include "effect_util.h" #include "init.h" #include "util.h" using namespace std; namespace movit { namespace { // A simple LCG (linear congruental generator) random generator. // We implement our own so we can be deterministic from frame to frame // and run to run; we don't have special needs for speed or quality, // as long as the period is reasonably long. The output is in range // [0, 2^31>. // // This comes from http://en.wikipedia.org/wiki/Linear_congruential_generator. unsigned lcg_rand(unsigned x) { return (x * 1103515245U + 12345U) & ((1U << 31) - 1); } } // namespace DitherEffect::DitherEffect() : width(1280), height(720), num_bits(8), last_width(-1), last_height(-1), last_num_bits(-1) { register_int("output_width", &width); register_int("output_height", &height); register_int("num_bits", &num_bits); register_uniform_float("round_fac", &uniform_round_fac); register_uniform_float("inv_round_fac", &uniform_inv_round_fac); register_uniform_vec2("tc_scale", uniform_tc_scale); register_uniform_sampler2d("dither_tex", &uniform_dither_tex); glGenTextures(1, &texnum); } DitherEffect::~DitherEffect() { glDeleteTextures(1, &texnum); } string DitherEffect::output_fragment_shader() { char buf[256]; sprintf(buf, "#define NEED_EXPLICIT_ROUND %d\n", (movit_num_wrongly_rounded > 0)); return buf + read_file("dither_effect.frag"); } void DitherEffect::update_texture(GLuint glsl_program_num, const string &prefix, unsigned *sampler_num) { float *dither_noise = new float[width * height]; float dither_double_amplitude = 1.0f / (1 << num_bits); // We don't need a strictly nonrepeating dither; reducing the resolution // to max 128x128 saves a lot of texture bandwidth, without causing any // noticeable harm to the dither's performance. texture_width = min(width, 128); texture_height = min(height, 128); // Using the resolution as a seed gives us a consistent dither from frame to frame. // It also gives a different dither for e.g. different aspect ratios, which _feels_ // good, but probably shouldn't matter. unsigned seed = (width << 16) ^ height; for (int i = 0; i < texture_width * texture_height; ++i) { seed = lcg_rand(seed); float normalized_rand = seed * (1.0f / (1U << 31)) - 0.5; // [-0.5, 0.5> dither_noise[i] = dither_double_amplitude * normalized_rand; } glActiveTexture(GL_TEXTURE0 + *sampler_num); check_error(); glBindTexture(GL_TEXTURE_2D, texnum); check_error(); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); check_error(); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); check_error(); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT); check_error(); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT); check_error(); glTexImage2D(GL_TEXTURE_2D, 0, GL_R16F, texture_width, texture_height, 0, GL_RED, GL_FLOAT, dither_noise); check_error(); delete[] dither_noise; } void DitherEffect::set_gl_state(GLuint glsl_program_num, const string &prefix, unsigned *sampler_num) { Effect::set_gl_state(glsl_program_num, prefix, sampler_num); assert(width > 0); assert(height > 0); assert(num_bits > 0); if (width != last_width || height != last_height || num_bits != last_num_bits) { update_texture(glsl_program_num, prefix, sampler_num); last_width = width; last_height = height; last_num_bits = num_bits; } glActiveTexture(GL_TEXTURE0 + *sampler_num); check_error(); glBindTexture(GL_TEXTURE_2D, texnum); check_error(); uniform_dither_tex = *sampler_num; ++*sampler_num; // In theory, we should adjust for the texel centers that have moved here as well, // but since we use GL_NEAREST and we don't really care a lot what texel we sample, // we don't have to worry about it. uniform_tc_scale[0] = float(width) / float(texture_width); uniform_tc_scale[1] = float(height) / float(texture_height); // Used if the shader needs to do explicit rounding. int round_fac = (1 << num_bits) - 1; uniform_round_fac = round_fac; uniform_inv_round_fac = 1.0f / round_fac; } } // namespace movit movit-1.7.1/deconvolution_sharpen_effect.cpp0000644000175000017500000003424114462263704020350 0ustar sessesesse// NOTE: Throughout, we use the symbol ⊙ for convolution. // Since all of our signals are symmetrical, discrete correlation and convolution // is the same operation, and so we won't make a difference in notation. #include #include #include #include #include #include #include #include #include #include "deconvolution_sharpen_effect.h" #include "effect_util.h" #include "util.h" using namespace Eigen; using namespace std; namespace movit { DeconvolutionSharpenEffect::DeconvolutionSharpenEffect() : R(5), circle_radius(2.0f), gaussian_radius(0.0f), correlation(0.95f), noise(0.01f), last_R(-1), last_circle_radius(-1.0f), last_gaussian_radius(-1.0f), last_correlation(-1.0f), last_noise(-1.0f), uniform_samples(nullptr) { register_int("matrix_size", &R); register_float("circle_radius", &circle_radius); register_float("gaussian_radius", &gaussian_radius); register_float("correlation", &correlation); register_float("noise", &noise); } DeconvolutionSharpenEffect::~DeconvolutionSharpenEffect() { delete[] uniform_samples; } string DeconvolutionSharpenEffect::output_fragment_shader() { char buf[256]; sprintf(buf, "#define R %u\n", R); assert(R >= 1); assert(R <= 25); // Same limit as Refocus. uniform_samples = new float[4 * (R + 1) * (R + 1)]; register_uniform_vec4_array("samples", uniform_samples, (R + 1) * (R + 1)); last_R = R; return buf + read_file("deconvolution_sharpen_effect.frag"); } namespace { // Integral of sqrt(r² - x²) dx over x=0..a. float circle_integral(float a, float r) { assert(a >= 0.0f); if (a <= 0.0f) { return 0.0f; } if (a >= r) { return 0.25f * M_PI * r * r; } return 0.5f * (a * sqrt(r*r - a*a) + r*r * asin(a / r)); } // Yields the impulse response of a circular blur with radius r. // We basically look at each element as a square centered around (x,y), // and figure out how much of its area is covered by the circle. float circle_impulse_response(int x, int y, float r) { if (r < 1e-3) { // Degenerate case: radius = 0 yields the impulse response. return (x == 0 && y == 0) ? 1.0f : 0.0f; } // Find the extents of this cell. Due to symmetry, we can cheat a bit // and pretend we're always in the upper-right quadrant, except when // we're right at an axis crossing (x = 0 or y = 0), in which case we // simply use the evenness of the function; shrink the cell, make // the calculation, and down below we'll normalize by the cell's area. float min_x, max_x, min_y, max_y; if (x == 0) { min_x = 0.0f; max_x = 0.5f; } else { min_x = abs(x) - 0.5f; max_x = abs(x) + 0.5f; } if (y == 0) { min_y = 0.0f; max_y = 0.5f; } else { min_y = abs(y) - 0.5f; max_y = abs(y) + 0.5f; } assert(min_x >= 0.0f && max_x >= 0.0f); assert(min_y >= 0.0f && max_y >= 0.0f); float cell_height = max_y - min_y; float cell_width = max_x - min_x; if (min_x * min_x + min_y * min_y > r * r) { // Lower-left corner is outside the circle, so the entire cell is. return 0.0f; } if (max_x * max_x + max_y * max_y < r * r) { // Upper-right corner is inside the circle, so the entire cell is. return 1.0f; } // OK, so now we know the cell is partially covered by the circle: // // \ . // ------------- // |####|#\ | // |####|##| | // ------------- // A ###| // ###| // // The edge of the circle is defined by x² + y² = r², // or x = sqrt(r² - y²) (since x is nonnegative). // Find out where the curve crosses our given y values. float mid_x1 = (max_y >= r) ? min_x : sqrt(r * r - max_y * max_y); float mid_x2 = sqrt(r * r - min_y * min_y); if (mid_x1 < min_x) { mid_x1 = min_x; } if (mid_x2 > max_x) { mid_x2 = max_x; } assert(mid_x1 >= min_x); assert(mid_x2 >= mid_x1); assert(max_x >= mid_x2); // The area marked A in the figure above. float covered_area = cell_height * (mid_x1 - min_x); // The area marked B in the figure above. Note that the integral gives the entire // shaded space down to zero, so we need to subtract the rectangle that does not // belong to our cell. covered_area += circle_integral(mid_x2, r) - circle_integral(mid_x1, r); covered_area -= min_y * (mid_x2 - mid_x1); assert(covered_area <= cell_width * cell_height); return covered_area / (cell_width * cell_height); } // Compute a ⊙ b. Note that we compute the “full” convolution, // ie., our matrix will be big enough to hold every nonzero element of the result. MatrixXf convolve(const MatrixXf &a, const MatrixXf &b) { MatrixXf result(a.rows() + b.rows() - 1, a.cols() + b.cols() - 1); for (int yr = 0; yr < result.rows(); ++yr) { for (int xr = 0; xr < result.cols(); ++xr) { float sum = 0.0f; // Given that x_b = x_r - x_a, find the values of x_a where // x_a is in [0, a_cols> and x_b is in [0, b_cols>. (y is similar.) // // The second demand gives: // // 0 <= x_r - x_a < b_cols // 0 >= x_a - x_r > -b_cols // x_r >= x_a > x_r - b_cols int ya_min = yr - b.rows() + 1; int ya_max = yr; int xa_min = xr - b.rows() + 1; int xa_max = xr; // Now fit to the first demand. ya_min = max(ya_min, 0); ya_max = min(ya_max, a.rows() - 1); xa_min = max(xa_min, 0); xa_max = min(xa_max, a.cols() - 1); assert(ya_max >= ya_min); assert(xa_max >= xa_min); for (int ya = ya_min; ya <= ya_max; ++ya) { for (int xa = xa_min; xa <= xa_max; ++xa) { sum += a(ya, xa) * b(yr - ya, xr - xa); } } result(yr, xr) = sum; } } return result; } // Similar to convolve(), but instead of assuming every element outside // of b is zero, we make no such assumption and instead return only the // elements where we know the right answer. (This is the only difference // between the two.) // This is the same as conv2(a, b, 'valid') in Octave. // // a must be the larger matrix of the two. MatrixXf central_convolve(const MatrixXf &a, const MatrixXf &b) { assert(a.rows() >= b.rows()); assert(a.cols() >= b.cols()); MatrixXf result(a.rows() - b.rows() + 1, a.cols() - b.cols() + 1); for (int yr = b.rows() - 1; yr < result.rows() + b.rows() - 1; ++yr) { for (int xr = b.cols() - 1; xr < result.cols() + b.cols() - 1; ++xr) { float sum = 0.0f; // Given that x_b = x_r - x_a, find the values of x_a where // x_a is in [0, a_cols> and x_b is in [0, b_cols>. (y is similar.) // // The second demand gives: // // 0 <= x_r - x_a < b_cols // 0 >= x_a - x_r > -b_cols // x_r >= x_a > x_r - b_cols int ya_min = yr - b.rows() + 1; int ya_max = yr; int xa_min = xr - b.rows() + 1; int xa_max = xr; // Now fit to the first demand. ya_min = max(ya_min, 0); ya_max = min(ya_max, a.rows() - 1); xa_min = max(xa_min, 0); xa_max = min(xa_max, a.cols() - 1); assert(ya_max >= ya_min); assert(xa_max >= xa_min); for (int ya = ya_min; ya <= ya_max; ++ya) { for (int xa = xa_min; xa <= xa_max; ++xa) { sum += a(ya, xa) * b(yr - ya, xr - xa); } } result(yr - b.rows() + 1, xr - b.cols() + 1) = sum; } } return result; } } // namespace void DeconvolutionSharpenEffect::update_deconvolution_kernel() { // Figure out the impulse response for the circular part of the blur. MatrixXf circ_h(2 * R + 1, 2 * R + 1); for (int y = -R; y <= R; ++y) { for (int x = -R; x <= R; ++x) { circ_h(y + R, x + R) = circle_impulse_response(x, y, circle_radius); } } // Same, for the Gaussian part of the blur. We make this a lot larger // since we're going to convolve with it soon, and it has infinite support // (see comments for central_convolve()). MatrixXf gaussian_h(4 * R + 1, 4 * R + 1); for (int y = -2 * R; y <= 2 * R; ++y) { for (int x = -2 * R; x <= 2 * R; ++x) { float val; if (gaussian_radius < 1e-3) { val = (x == 0 && y == 0) ? 1.0f : 0.0f; } else { val = exp(-(x*x + y*y) / (2.0 * gaussian_radius * gaussian_radius)); } gaussian_h(y + 2 * R, x + 2 * R) = val; } } // h, the (assumed) impulse response that we're trying to invert. MatrixXf h = central_convolve(gaussian_h, circ_h); assert(h.rows() == 2 * R + 1); assert(h.cols() == 2 * R + 1); // Normalize the impulse response. float sum = 0.0f; for (int y = 0; y < 2 * R + 1; ++y) { for (int x = 0; x < 2 * R + 1; ++x) { sum += h(y, x); } } for (int y = 0; y < 2 * R + 1; ++y) { for (int x = 0; x < 2 * R + 1; ++x) { h(y, x) /= sum; } } // r_uu, the (estimated/assumed) autocorrelation of the input signal (u). // The signal is modelled a standard autoregressive process with the // given correlation coefficient. // // We have to take a bit of care with the size of this matrix. // The pow() function naturally has an infinite support (except for the // degenerate case of correlation=0), but we have to chop it off // somewhere. Since we convolve it with a 4*R+1 large matrix below, // we need to make it twice as big as that, so that we have enough // data to make r_vv valid. (central_convolve() effectively enforces // that we get at least the right size.) MatrixXf r_uu(8 * R + 1, 8 * R + 1); for (int y = -4 * R; y <= 4 * R; ++y) { for (int x = -4 * R; x <= 4 * R; ++x) { r_uu(x + 4 * R, y + 4 * R) = pow(double(correlation), hypot(x, y)); } } // Estimate r_vv, the autocorrelation of the output signal v. // Since we know that v = h ⊙ u and both are symmetrical, // convolution and correlation are the same, and // r_vv = v ⊙ v = (h ⊙ u) ⊙ (h ⊙ u) = (h ⊙ h) ⊙ r_uu. MatrixXf r_vv = central_convolve(r_uu, convolve(h, h)); assert(r_vv.rows() == 4 * R + 1); assert(r_vv.cols() == 4 * R + 1); // Similarly, r_uv = u ⊙ v = u ⊙ (h ⊙ u) = h ⊙ r_uu. MatrixXf r_uu_center = r_uu.block(2 * R, 2 * R, 4 * R + 1, 4 * R + 1); MatrixXf r_uv = central_convolve(r_uu_center, h); assert(r_uv.rows() == 2 * R + 1); assert(r_uv.cols() == 2 * R + 1); // Add the noise term (we assume the noise is uncorrelated, // so it only affects the central element). r_vv(2 * R, 2 * R) += noise; // Now solve the Wiener-Hopf equations to find the deconvolution kernel g. // Most texts show this only for the simpler 1D case: // // [ r_vv(0) r_vv(1) r_vv(2) ... ] [ g(0) ] [ r_uv(0) ] // [ r_vv(-1) r_vv(0) ... ] [ g(1) ] = [ r_uv(1) ] // [ r_vv(-2) ... ] [ g(2) ] [ r_uv(2) ] // [ ... ] [ g(3) ] [ r_uv(3) ] // // (Since r_vv is symmetrical, we can drop the minus signs.) // // Generally, row i of the matrix contains (dropping _vv for brevity): // // [ r(0-i) r(1-i) r(2-i) ... ] // // However, we have the 2D case. We flatten the vectors out to // 1D quantities; this means we must think of the row number // as a pair instead of as a scalar. Row (i,j) then contains: // // [ r(0-i,0-j) r(1-i,0-j) r(2-i,0-j) ... r(0-i,1-j) r_(1-i,1-j) r(2-i,1-j) ... ] // // g and r_uv are flattened in the same fashion. // // Note that even though this matrix is block Toeplitz, it is _not_ Toeplitz, // and thus can not be inverted through the standard Levinson-Durbin method. // There exists a block Levinson-Durbin method, which we may or may not // want to use later. (Eigen's solvers are fast enough that for big matrices, // the convolution operation and not the matrix solving is the bottleneck.) // // One thing we definitely want to use, though, is the symmetry properties. // Since we know that g(i, j) = g(|i|, |j|), we can reduce the amount of // unknowns to about 1/4th of the total size. The method is quite simple, // as can be seen from the following toy equation system: // // A x0 + B x1 + C x2 = y0 // D x0 + E x1 + F x2 = y1 // G x0 + H x1 + I x2 = y2 // // If we now know that e.g. x0=x1 and y0=y1, we can rewrite this to // // (A+B+D+E) x0 + (C+F) x2 = 2 y0 // (G+H) x0 + I x2 = y2 // // This both increases accuracy and provides us with a very nice speed // boost. MatrixXf M(MatrixXf::Zero((R + 1) * (R + 1), (R + 1) * (R + 1))); MatrixXf r_uv_flattened(MatrixXf::Zero((R + 1) * (R + 1), 1)); for (int outer_i = 0; outer_i < 2 * R + 1; ++outer_i) { int folded_outer_i = abs(outer_i - R); for (int outer_j = 0; outer_j < 2 * R + 1; ++outer_j) { int folded_outer_j = abs(outer_j - R); int row = folded_outer_i * (R + 1) + folded_outer_j; for (int inner_i = 0; inner_i < 2 * R + 1; ++inner_i) { int folded_inner_i = abs(inner_i - R); for (int inner_j = 0; inner_j < 2 * R + 1; ++inner_j) { int folded_inner_j = abs(inner_j - R); int col = folded_inner_i * (R + 1) + folded_inner_j; M(row, col) += r_vv((inner_i - R) - (outer_i - R) + 2 * R, (inner_j - R) - (outer_j - R) + 2 * R); } } r_uv_flattened(row) += r_uv(outer_i, outer_j); } } LLT llt(M); MatrixXf g_flattened = llt.solve(r_uv_flattened); assert(g_flattened.rows() == (R + 1) * (R + 1)), assert(g_flattened.cols() == 1); // Normalize and de-flatten the deconvolution matrix. g = MatrixXf(R + 1, R + 1); sum = 0.0f; for (int i = 0; i < g_flattened.rows(); ++i) { int y = i / (R + 1); int x = i % (R + 1); if (y == 0 && x == 0) { sum += g_flattened(i); } else if (y == 0 || x == 0) { sum += 2.0f * g_flattened(i); } else { sum += 4.0f * g_flattened(i); } } for (int i = 0; i < g_flattened.rows(); ++i) { int y = i / (R + 1); int x = i % (R + 1); g(y, x) = g_flattened(i) / sum; } last_circle_radius = circle_radius; last_gaussian_radius = gaussian_radius; last_correlation = correlation; last_noise = noise; } void DeconvolutionSharpenEffect::set_gl_state(GLuint glsl_program_num, const string &prefix, unsigned *sampler_num) { Effect::set_gl_state(glsl_program_num, prefix, sampler_num); assert(R == last_R); if (fabs(circle_radius - last_circle_radius) > 1e-3 || fabs(gaussian_radius - last_gaussian_radius) > 1e-3 || fabs(correlation - last_correlation) > 1e-3 || fabs(noise - last_noise) > 1e-3) { update_deconvolution_kernel(); } // Now encode it as uniforms, and pass it on to the shader. for (int y = 0; y <= R; ++y) { for (int x = 0; x <= R; ++x) { int i = y * (R + 1) + x; uniform_samples[i * 4 + 0] = x / float(width); uniform_samples[i * 4 + 1] = y / float(height); uniform_samples[i * 4 + 2] = g(y, x); uniform_samples[i * 4 + 3] = 0.0f; } } } } // namespace movit movit-1.7.1/fft_pass_effect.cpp0000644000175000017500000001635514462263704015553 0ustar sessesesse#include #include #include "effect_chain.h" #include "effect_util.h" #include "fp16.h" #include "fft_pass_effect.h" #include "util.h" using namespace std; namespace movit { FFTPassEffect::FFTPassEffect() : input_width(1280), input_height(720), direction(HORIZONTAL), last_fft_size(-1), last_direction(INVALID), last_pass_number(-1), last_inverse(-1), last_input_size(-1) { register_int("fft_size", &fft_size); register_int("direction", (int *)&direction); register_int("pass_number", &pass_number); register_int("inverse", &inverse); register_uniform_float("num_repeats", &uniform_num_repeats); register_uniform_sampler2d("support_tex", &uniform_support_tex); glGenTextures(1, &tex); } FFTPassEffect::~FFTPassEffect() { glDeleteTextures(1, &tex); } string FFTPassEffect::output_fragment_shader() { char buf[256]; sprintf(buf, "#define DIRECTION_VERTICAL %d\n", (direction == VERTICAL)); return buf + read_file("fft_pass_effect.frag"); } void FFTPassEffect::set_gl_state(GLuint glsl_program_num, const string &prefix, unsigned *sampler_num) { Effect::set_gl_state(glsl_program_num, prefix, sampler_num); // This is needed because it counteracts the precision issues we get // because we sample the input texture with normalized coordinates // (especially when the repeat count along the axis is not a power of // two); we very rapidly end up in narrowly missing a texel center, // which causes precision loss to propagate throughout the FFT. Node *self = chain->find_node_for_effect(this); glActiveTexture(chain->get_input_sampler(self, 0)); check_error(); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); check_error(); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); check_error(); // Because of the memory layout (see below) and because we use offsets, // the support texture values for many consecutive values will be // the same. Thus, we can store a smaller texture (giving a small // performance boost) and just sample it with NEAREST. Also, this // counteracts any precision issues we might get from linear // interpolation. glActiveTexture(GL_TEXTURE0 + *sampler_num); check_error(); glBindTexture(GL_TEXTURE_2D, tex); check_error(); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); check_error(); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); check_error(); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT); check_error(); int input_size = (direction == VERTICAL) ? input_height : input_width; if (last_fft_size != fft_size || last_direction != direction || last_pass_number != pass_number || last_inverse != inverse || last_input_size != input_size) { generate_support_texture(); } uniform_support_tex = *sampler_num; ++*sampler_num; assert(input_size % fft_size == 0); uniform_num_repeats = input_size / fft_size; } void FFTPassEffect::generate_support_texture() { int input_size = (direction == VERTICAL) ? input_height : input_width; // The memory layout follows figure 5.2 on page 25 of // http://gpuwave.sesse.net/gpuwave.pdf -- it can be a bit confusing // at first, but is classically explained more or less as follows: // // The classic Cooley-Tukey decimation-in-time FFT algorithm works // by first splitting input data into odd and even elements // (e.g. bit-wise xxxxx0 and xxxxx1 for a size-32 FFT), then FFTing // them separately and combining them using twiddle factors. // So the outer pass (done _last_) looks only at the last bit, // and does one such merge pass of sub-size N/2 (FFT size N). // // FFT of the first part must then necessarily be split into xxxx00 and // xxxx10, and similarly xxxx01 and xxxx11 for the other part. Since // these two FFTs are handled identically, it means we split into xxxx0x // and xxxx1x, so that the second-outer pass (done second-to-last) // looks only at the second last bit, and so on. We do two such merge // passes of sub-size N/4 (sub-FFT size N/2). // // Thus, the inner, Nth pass (done first) splits at the first bit, // so 0 is paired with 16, 1 with 17 and so on, doing N/2 such merge // passes of sub-size 1 (sub-FFT size 2). We say that the stride is 16. // The second-inner, (N-1)th pass (done second) splits at the second // bit, so the stride is 8, and so on. assert((fft_size & (fft_size - 1)) == 0); // Must be power of two. int subfft_size = 1 << pass_number; fp16_int_t *tmp = new fp16_int_t[subfft_size * 4]; double mulfac; if (inverse) { mulfac = 2.0 * M_PI; } else { mulfac = -2.0 * M_PI; } assert((fft_size & (fft_size - 1)) == 0); // Must be power of two. assert(fft_size % subfft_size == 0); int stride = fft_size / subfft_size; for (int i = 0; i < subfft_size; i++) { int k = i; double twiddle_real, twiddle_imag; if (k < subfft_size / 2) { twiddle_real = cos(mulfac * (k / double(subfft_size))); twiddle_imag = sin(mulfac * (k / double(subfft_size))); } else { // This is mathematically equivalent to the twiddle factor calculations // in the other branch of the if, but not numerically; the range // reductions on x87 are not all that precise, and this keeps us within // [0,pi>. k -= subfft_size / 2; twiddle_real = -cos(mulfac * (k / double(subfft_size))); twiddle_imag = -sin(mulfac * (k / double(subfft_size))); } // The support texture contains everything we need for the FFT: // Obviously, the twiddle factor (in the Z and W components), but also // which two samples to fetch. These are stored as normalized // X coordinate offsets (Y coordinate for a vertical FFT); the reason // for using offsets and not direct coordinates as in GPUwave // is that we can have multiple FFTs along the same line, // and want to reuse the support texture by repeating it. int base = k * stride * 2; int support_texture_index = i; int src1 = base; int src2 = base + stride; double sign = 1.0; if (direction == FFTPassEffect::VERTICAL) { // Compensate for OpenGL's bottom-left convention. support_texture_index = subfft_size - support_texture_index - 1; sign = -1.0; } tmp[support_texture_index * 4 + 0] = fp32_to_fp16(sign * (src1 - i * stride) / double(input_size)); tmp[support_texture_index * 4 + 1] = fp32_to_fp16(sign * (src2 - i * stride) / double(input_size)); tmp[support_texture_index * 4 + 2] = fp32_to_fp16(twiddle_real); tmp[support_texture_index * 4 + 3] = fp32_to_fp16(twiddle_imag); } // Supposedly FFTs are very sensitive to inaccuracies in the twiddle factors, // at least according to a paper by Schatzman (see gpuwave.pdf reference [30] // for the full reference); however, practical testing indicates that it's // not a problem to keep the twiddle factors at 16-bit, at least as long as // we round them properly--it would seem that Schatzman were mainly talking // about poor sin()/cos() approximations. Thus, we store them in 16-bit, // which gives a nice speed boost. // // Note that the source coordinates become somewhat less accurate too, though. glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA16F, subfft_size, 1, 0, GL_RGBA, GL_HALF_FLOAT, tmp); check_error(); delete[] tmp; last_fft_size = fft_size; last_direction = direction; last_pass_number = pass_number; last_inverse = inverse; last_input_size = input_size; } } // namespace movit movit-1.7.1/vignette_effect.cpp0000644000175000017500000000264514462263704015570 0ustar sessesesse#include #include #include #include "effect_util.h" #include "util.h" #include "vignette_effect.h" using namespace std; namespace movit { VignetteEffect::VignetteEffect() : center(0.5f, 0.5f), uniform_aspect_correction(1.0f, 1.0f), uniform_flipped_center(0.5f, 0.5f), radius(0.3f), inner_radius(0.3f) { register_vec2("center", (float *)¢er); register_float("radius", (float *)&radius); register_float("inner_radius", (float *)&inner_radius); register_uniform_float("pihalf_div_radius", &uniform_pihalf_div_radius); register_uniform_vec2("aspect_correction", (float *)&uniform_aspect_correction); register_uniform_vec2("flipped_center", (float *)&uniform_flipped_center); } string VignetteEffect::output_fragment_shader() { return read_file("vignette_effect.frag"); } void VignetteEffect::inform_input_size(unsigned input_num, unsigned width, unsigned height) { assert(input_num == 0); if (width >= height) { uniform_aspect_correction = Point2D(float(width) / float(height), 1.0f); } else { uniform_aspect_correction = Point2D(1.0f, float(height) / float(width)); } } void VignetteEffect::set_gl_state(GLuint glsl_program_num, const string &prefix, unsigned *sampler_num) { Effect::set_gl_state(glsl_program_num, prefix, sampler_num); uniform_pihalf_div_radius = 0.5 * M_PI / radius; uniform_flipped_center = Point2D(center.x, 1.0f - center.y); } } // namespace movit movit-1.7.1/slice_effect.cpp0000644000175000017500000000571214462263704015040 0ustar sessesesse#include #include "effect_chain.h" #include "slice_effect.h" #include "effect_util.h" #include "util.h" using namespace std; namespace movit { SliceEffect::SliceEffect() : input_slice_size(1), output_slice_size(1), offset(0), direction(VERTICAL) { register_int("input_slice_size", &input_slice_size); register_int("output_slice_size", &output_slice_size); register_int("offset", &offset); register_int("direction", (int *)&direction); register_uniform_float("output_coord_to_slice_num", &uniform_output_coord_to_slice_num); register_uniform_float("slice_num_to_input_coord", &uniform_slice_num_to_input_coord); register_uniform_float("slice_offset_to_input_coord", &uniform_slice_offset_to_input_coord); register_uniform_float("normalized_offset", &uniform_offset); } string SliceEffect::output_fragment_shader() { char buf[256]; sprintf(buf, "#define DIRECTION_VERTICAL %d\n", (direction == VERTICAL)); return buf + read_file("slice_effect.frag"); } void SliceEffect::inform_input_size(unsigned input_num, unsigned width, unsigned height) { assert(input_num == 0); input_width = width; input_height = height; } void SliceEffect::get_output_size(unsigned *width, unsigned *height, unsigned *virtual_width, unsigned *virtual_height) const { if (direction == HORIZONTAL) { *width = div_round_up(input_width, input_slice_size) * output_slice_size; *height = input_height; } else { *width = input_width; *height = div_round_up(input_height, input_slice_size) * output_slice_size; } *virtual_width = *width; *virtual_height = *height; } void SliceEffect::set_gl_state(GLuint glsl_program_num, const string &prefix, unsigned *sampler_num) { Effect::set_gl_state(glsl_program_num, prefix, sampler_num); unsigned output_width, output_height; get_output_size(&output_width, &output_height, &output_width, &output_height); if (direction == HORIZONTAL) { uniform_output_coord_to_slice_num = float(output_width) / float(output_slice_size); uniform_slice_num_to_input_coord = float(input_slice_size) / float(input_width); uniform_slice_offset_to_input_coord = float(output_slice_size) / float(input_width); uniform_offset = float(offset) / float(input_width); } else { uniform_output_coord_to_slice_num = float(output_height) / float(output_slice_size); uniform_slice_num_to_input_coord = float(input_slice_size) / float(input_height); uniform_slice_offset_to_input_coord = float(output_slice_size) / float(input_height); uniform_offset = float(offset) / float(input_height); } // Normalized coordinates could potentially cause blurring of the image. // It isn't critical, but still good practice. Node *self = chain->find_node_for_effect(this); glActiveTexture(chain->get_input_sampler(self, 0)); check_error(); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); check_error(); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); check_error(); } } // namespace movit movit-1.7.1/complex_modulate_effect.cpp0000644000175000017500000000342314462263704017277 0ustar sessesesse#include #include "complex_modulate_effect.h" #include "effect_chain.h" #include "effect_util.h" #include "util.h" using namespace std; namespace movit { ComplexModulateEffect::ComplexModulateEffect() : num_repeats_x(1), num_repeats_y(1) { register_int("num_repeats_x", &num_repeats_x); register_int("num_repeats_y", &num_repeats_y); register_vec2("num_repeats", uniform_num_repeats); } string ComplexModulateEffect::output_fragment_shader() { return read_file("complex_modulate_effect.frag"); } void ComplexModulateEffect::set_gl_state(GLuint glsl_program_num, const string &prefix, unsigned *sampler_num) { Effect::set_gl_state(glsl_program_num, prefix, sampler_num); uniform_num_repeats[0] = float(num_repeats_x); uniform_num_repeats[1] = float(num_repeats_y); // Set the secondary input to repeat (and nearest while we're at it). Node *self = chain->find_node_for_effect(this); glActiveTexture(chain->get_input_sampler(self, 1)); check_error(); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); check_error(); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); check_error(); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT); check_error(); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT); check_error(); } void ComplexModulateEffect::inform_input_size(unsigned input_num, unsigned width, unsigned height) { if (input_num == 0) { primary_input_width = width; primary_input_height = height; } } void ComplexModulateEffect::get_output_size(unsigned *width, unsigned *height, unsigned *virtual_width, unsigned *virtual_height) const { *width = *virtual_width = primary_input_width; *height = *virtual_height = primary_input_height; } } // namespace movit movit-1.7.1/luma_mix_effect.cpp0000644000175000017500000000154314462263704015552 0ustar sessesesse#include "luma_mix_effect.h" #include "effect_util.h" #include "util.h" using namespace std; namespace movit { LumaMixEffect::LumaMixEffect() : transition_width(1.0f), progress(0.5f), inverse(0) { register_float("transition_width", &transition_width); register_float("progress", &progress); register_int("inverse", &inverse); register_uniform_bool("bool_inverse", &uniform_inverse); register_uniform_float("progress_mul_w_plus_one", &uniform_progress_mul_w_plus_one); } string LumaMixEffect::output_fragment_shader() { return read_file("luma_mix_effect.frag"); } void LumaMixEffect::set_gl_state(GLuint glsl_program_num, const string &prefix, unsigned *sampler_num) { Effect::set_gl_state(glsl_program_num, prefix, sampler_num); uniform_progress_mul_w_plus_one = progress * (transition_width + 1.0); uniform_inverse = inverse; } } // namespace movit movit-1.7.1/fft_convolution_effect.cpp0000644000175000017500000002273714462263704017165 0ustar sessesesse#include #include #include "complex_modulate_effect.h" #include "effect_chain.h" #include "fft_convolution_effect.h" #include "fft_input.h" #include "fft_pass_effect.h" #include "multiply_effect.h" #include "padding_effect.h" #include "slice_effect.h" #include "util.h" using namespace std; namespace movit { FFTConvolutionEffect::FFTConvolutionEffect(int input_width, int input_height, int convolve_width, int convolve_height) : input_width(input_width), input_height(input_height), convolve_width(convolve_width), convolve_height(convolve_height), fft_input(new FFTInput(convolve_width, convolve_height)), crop_effect(new PaddingEffect()), owns_effects(true) { CHECK(crop_effect->set_int("width", input_width)); CHECK(crop_effect->set_int("height", input_height)); CHECK(crop_effect->set_float("top", 0)); CHECK(crop_effect->set_float("left", 0)); } FFTConvolutionEffect::~FFTConvolutionEffect() { if (owns_effects) { delete fft_input; delete crop_effect; } } namespace { // Returns the last Effect in the new chain. Effect *add_overlap_and_fft(EffectChain *chain, Effect *last_effect, int fft_size, int pad_size, FFTPassEffect::Direction direction) { // Overlap. { Effect *overlap_effect = chain->add_effect(new SliceEffect(), last_effect); CHECK(overlap_effect->set_int("input_slice_size", fft_size - pad_size)); CHECK(overlap_effect->set_int("output_slice_size", fft_size)); CHECK(overlap_effect->set_int("offset", -pad_size)); if (direction == FFTPassEffect::HORIZONTAL) { CHECK(overlap_effect->set_int("direction", SliceEffect::HORIZONTAL)); } else { assert(direction == FFTPassEffect::VERTICAL); CHECK(overlap_effect->set_int("direction", SliceEffect::VERTICAL)); } last_effect = overlap_effect; } // FFT. int num_passes = ffs(fft_size) - 1; for (int i = 1; i <= num_passes; ++i) { Effect *fft_effect = chain->add_effect(new FFTPassEffect(), last_effect); CHECK(fft_effect->set_int("pass_number", i)); CHECK(fft_effect->set_int("fft_size", fft_size)); CHECK(fft_effect->set_int("direction", direction)); CHECK(fft_effect->set_int("inverse", 0)); last_effect = fft_effect; } return last_effect; } // Returns the last Effect in the new chain. Effect *add_ifft_and_discard(EffectChain *chain, Effect *last_effect, int fft_size, int pad_size, FFTPassEffect::Direction direction) { // IFFT. int num_passes = ffs(fft_size) - 1; for (int i = 1; i <= num_passes; ++i) { Effect *fft_effect = chain->add_effect(new FFTPassEffect(), last_effect); CHECK(fft_effect->set_int("pass_number", i)); CHECK(fft_effect->set_int("fft_size", fft_size)); CHECK(fft_effect->set_int("direction", direction)); CHECK(fft_effect->set_int("inverse", 1)); last_effect = fft_effect; } // Discard. { Effect *discard_effect = chain->add_effect(new SliceEffect(), last_effect); CHECK(discard_effect->set_int("input_slice_size", fft_size)); CHECK(discard_effect->set_int("output_slice_size", fft_size - pad_size)); if (direction == FFTPassEffect::HORIZONTAL) { CHECK(discard_effect->set_int("direction", SliceEffect::HORIZONTAL)); } else { assert(direction == FFTPassEffect::VERTICAL); CHECK(discard_effect->set_int("direction", SliceEffect::VERTICAL)); } CHECK(discard_effect->set_int("offset", pad_size)); last_effect = discard_effect; } return last_effect; } } // namespace void FFTConvolutionEffect::rewrite_graph(EffectChain *chain, Node *self) { int pad_width = convolve_width - 1; int pad_height = convolve_height - 1; // Try all possible FFT widths and heights to see which one is the // cheapest. As a proxy for real performance, we use number of texel // fetches; this isn't perfect by any means, but it's easy to work with // and should be approximately correct. int min_x = next_power_of_two(1 + pad_width); int min_y = next_power_of_two(1 + pad_height); int max_y = next_power_of_two(input_height + pad_width); int max_x = next_power_of_two(input_width + pad_height); size_t best_cost = numeric_limits::max(); int best_x = -1, best_y = -1, best_x_before_y_fft = -1, best_x_before_y_ifft = -1; // Try both // // overlap(X), FFT(X), overlap(Y), FFT(Y), modulate, IFFT(Y), discard(Y), IFFT(X), discard(X) and // overlap(Y), FFT(Y), overlap(X), FFT(X), modulate, IFFT(X), discard(X), IFFT(Y), discard(Y) // // For simplicity, call them the XY-YX and YX-XY orders. In theory, we // could have XY-XY and YX-YX orders as well, and I haven't found a // convincing argument that they will never be optimal (although it // sounds odd and should be rare), so we test all four possible ones. // // We assume that the kernel FFT is for free, since it is typically done // only once and per frame. for (int x_before_y_fft = 0; x_before_y_fft <= 1; ++x_before_y_fft) { for (int x_before_y_ifft = 0; x_before_y_ifft <= 1; ++x_before_y_ifft) { for (int y = min_y; y <= max_y; y *= 2) { int y_pixels_per_block = y - pad_height; int num_vertical_blocks = div_round_up(input_height, y_pixels_per_block); size_t output_height = y * num_vertical_blocks; for (int x = min_x; x <= max_x; x *= 2) { int x_pixels_per_block = x - pad_width; int num_horizontal_blocks = div_round_up(input_width, x_pixels_per_block); size_t output_width = x * num_horizontal_blocks; size_t cost = 0; if (x_before_y_fft) { // First, the cost of the horizontal padding. cost = output_width * input_height; // log(X) FFT passes. Each pass reads two inputs per pixel, // plus the support texture. cost += (ffs(x) - 1) * 3 * output_width * input_height; // Now, horizontal padding. cost += output_width * output_height; // log(Y) FFT passes, now at full resolution. cost += (ffs(y) - 1) * 3 * output_width * output_height; } else { // First, the cost of the vertical padding. cost = input_width * output_height; // log(Y) FFT passes. Each pass reads two inputs per pixel, // plus the support texture. cost += (ffs(y) - 1) * 3 * input_width * output_height; // Now, horizontal padding. cost += output_width * output_height; // log(X) FFT passes, now at full resolution. cost += (ffs(x) - 1) * 3 * output_width * output_height; } // The actual modulation. Reads one pixel each from two textures. cost += 2 * output_width * output_height; if (x_before_y_ifft) { // log(X) IFFT passes. cost += (ffs(x) - 1) * 3 * output_width * output_height; // Discard horizontally. cost += input_width * output_height; // log(Y) IFFT passes. cost += (ffs(y) - 1) * 3 * input_width * output_height; // Discard horizontally. cost += input_width * input_height; } else { // log(Y) IFFT passes. cost += (ffs(y) - 1) * 3 * output_width * output_height; // Discard vertically. cost += output_width * input_height; // log(X) IFFT passes. cost += (ffs(x) - 1) * 3 * output_width * input_height; // Discard horizontally. cost += input_width * input_height; } if (cost < best_cost) { best_x = x; best_y = y; best_x_before_y_fft = x_before_y_fft; best_x_before_y_ifft = x_before_y_ifft; best_cost = cost; } } } } } const int fft_width = best_x, fft_height = best_y; assert(self->incoming_links.size() == 1); Node *last_node = self->incoming_links[0]; self->incoming_links.clear(); last_node->outgoing_links.clear(); // Do FFT. Effect *last_effect = last_node->effect; if (best_x_before_y_fft) { last_effect = add_overlap_and_fft(chain, last_effect, fft_width, pad_width, FFTPassEffect::HORIZONTAL); last_effect = add_overlap_and_fft(chain, last_effect, fft_height, pad_height, FFTPassEffect::VERTICAL); } else { last_effect = add_overlap_and_fft(chain, last_effect, fft_height, pad_height, FFTPassEffect::VERTICAL); last_effect = add_overlap_and_fft(chain, last_effect, fft_width, pad_width, FFTPassEffect::HORIZONTAL); } // Normalizer. Effect *multiply_effect; float fft_size = fft_width * fft_height; float factor[4] = { 1.0f / fft_size, 1.0f / fft_size, 1.0f / fft_size, 1.0f / fft_size }; last_effect = multiply_effect = chain->add_effect(new MultiplyEffect(), last_effect); CHECK(multiply_effect->set_vec4("factor", factor)); // Multiply by the FFT of the convolution kernel. CHECK(fft_input->set_int("fft_width", fft_width)); CHECK(fft_input->set_int("fft_height", fft_height)); chain->add_input(fft_input); owns_effects = false; Effect *modulate_effect = chain->add_effect(new ComplexModulateEffect(), multiply_effect, fft_input); CHECK(modulate_effect->set_int("num_repeats_x", div_round_up(input_width, fft_width - pad_width))); CHECK(modulate_effect->set_int("num_repeats_y", div_round_up(input_height, fft_height - pad_height))); last_effect = modulate_effect; // Finally, do IFFT. if (best_x_before_y_ifft) { last_effect = add_ifft_and_discard(chain, last_effect, fft_width, pad_width, FFTPassEffect::HORIZONTAL); last_effect = add_ifft_and_discard(chain, last_effect, fft_height, pad_height, FFTPassEffect::VERTICAL); } else { last_effect = add_ifft_and_discard(chain, last_effect, fft_height, pad_height, FFTPassEffect::VERTICAL); last_effect = add_ifft_and_discard(chain, last_effect, fft_width, pad_width, FFTPassEffect::HORIZONTAL); } // ...and crop away any extra padding we have have added. last_effect = chain->add_effect(crop_effect); chain->replace_sender(self, chain->find_node_for_effect(last_effect)); self->disabled = true; } } // namespace movit movit-1.7.1/ycbcr_conversion_effect.cpp0000644000175000017500000000510414462263704017303 0ustar sessesesse#include #include #include #include #include #include #include "ycbcr_conversion_effect.h" #include "effect_util.h" #include "util.h" #include "ycbcr.h" using namespace std; using namespace Eigen; namespace movit { YCbCrConversionEffect::YCbCrConversionEffect(const YCbCrFormat &ycbcr_format, GLenum type) : ycbcr_format(ycbcr_format), type(type) { register_uniform_mat3("ycbcr_matrix", &uniform_ycbcr_matrix); register_uniform_vec3("offset", uniform_offset); register_uniform_bool("clamp_range", &uniform_clamp_range); // Only used when clamp_range is true. register_uniform_vec3("ycbcr_min", uniform_ycbcr_min); register_uniform_vec3("ycbcr_max", uniform_ycbcr_max); } string YCbCrConversionEffect::output_fragment_shader() { return read_file("ycbcr_conversion_effect.frag"); } void YCbCrConversionEffect::set_gl_state(GLuint glsl_program_num, const string &prefix, unsigned *sampler_num) { Effect::set_gl_state(glsl_program_num, prefix, sampler_num); Matrix3d ycbcr_to_rgb; double scale_factor; compute_ycbcr_matrix(ycbcr_format, uniform_offset, &ycbcr_to_rgb, type, &scale_factor); uniform_ycbcr_matrix = ycbcr_to_rgb.inverse(); if (ycbcr_format.full_range) { // The card will clamp for us later. uniform_clamp_range = false; } else { uniform_clamp_range = true; if (ycbcr_format.num_levels == 0 || ycbcr_format.num_levels == 256) { // 8-bit. // These limits come from BT.601 page 8, or BT.709, page 5. uniform_ycbcr_min[0] = 16.0 / 255.0; uniform_ycbcr_min[1] = 16.0 / 255.0; uniform_ycbcr_min[2] = 16.0 / 255.0; uniform_ycbcr_max[0] = 235.0 / 255.0; uniform_ycbcr_max[1] = 240.0 / 255.0; uniform_ycbcr_max[2] = 240.0 / 255.0; } else if (ycbcr_format.num_levels == 1024) { // 10-bit. // BT.709, page 5, or BT.2020, page 6. uniform_ycbcr_min[0] = 64.0 / 1023.0; uniform_ycbcr_min[1] = 64.0 / 1023.0; uniform_ycbcr_min[2] = 64.0 / 1023.0; uniform_ycbcr_max[0] = 940.0 / 1023.0; uniform_ycbcr_max[1] = 960.0 / 1023.0; uniform_ycbcr_max[2] = 960.0 / 1023.0; } else if (ycbcr_format.num_levels == 4096) { // 12-bit. // BT.2020, page 6. uniform_ycbcr_min[0] = 256.0 / 4095.0; uniform_ycbcr_min[1] = 256.0 / 4095.0; uniform_ycbcr_min[2] = 256.0 / 4095.0; uniform_ycbcr_max[0] = 3760.0 / 4095.0; uniform_ycbcr_max[1] = 3840.0 / 4095.0; uniform_ycbcr_max[2] = 3840.0 / 4095.0; } else { assert(false); } uniform_ycbcr_min[0] /= scale_factor; uniform_ycbcr_min[1] /= scale_factor; uniform_ycbcr_min[2] /= scale_factor; } } } // namespace movit movit-1.7.1/deinterlace_effect.cpp0000644000175000017500000001776014462263704016226 0ustar sessesesse#include #include "deinterlace_effect.h" #include "effect_chain.h" #include "init.h" #include "util.h" using namespace std; namespace movit { DeinterlaceEffect::DeinterlaceEffect() : enable_spatial_interlacing_check(true), current_field_position(TOP), num_lines(1080) { if (movit_compute_shaders_supported) { compute_effect_owner.reset(new DeinterlaceComputeEffect); compute_effect = compute_effect_owner.get(); } else { register_int("enable_spatial_interlacing_check", (int *)&enable_spatial_interlacing_check); register_int("current_field_position", (int *)¤t_field_position); register_uniform_float("num_lines", &num_lines); register_uniform_float("inv_width", &inv_width); register_uniform_float("self_offset", &self_offset); register_uniform_float_array("current_offset", current_offset, 2); register_uniform_float_array("other_offset", other_offset, 3); } } string DeinterlaceEffect::output_fragment_shader() { char buf[256]; snprintf(buf, sizeof(buf), "#define YADIF_ENABLE_SPATIAL_INTERLACING_CHECK %d\n", enable_spatial_interlacing_check); string frag_shader = buf; frag_shader += read_file("deinterlace_effect.frag"); return frag_shader; } void DeinterlaceEffect::rewrite_graph(EffectChain *graph, Node *self) { if (compute_effect != nullptr) { Node *compute_node = graph->add_node(compute_effect_owner.release()); graph->replace_receiver(self, compute_node); graph->replace_sender(self, compute_node); self->disabled = true; } } bool DeinterlaceEffect::set_int(const std::string &key, int value) { if (compute_effect != nullptr) { return compute_effect->set_int(key, value); } else { return Effect::set_int(key, value); } } void DeinterlaceEffect::inform_input_size(unsigned input_num, unsigned width, unsigned height) { assert(input_num >= 0 && input_num < 5); widths[input_num] = width; heights[input_num] = height; num_lines = height * 2; } void DeinterlaceEffect::get_output_size(unsigned *width, unsigned *height, unsigned *virtual_width, unsigned *virtual_height) const { assert(widths[0] == widths[1]); assert(widths[1] == widths[2]); assert(widths[2] == widths[3]); assert(widths[3] == widths[4]); assert(heights[0] == heights[1]); assert(heights[1] == heights[2]); assert(heights[2] == heights[3]); assert(heights[3] == heights[4]); *width = *virtual_width = widths[0]; *height = *virtual_height = heights[0] * 2; } void DeinterlaceEffect::set_gl_state(GLuint glsl_program_num, const string &prefix, unsigned *sampler_num) { Effect::set_gl_state(glsl_program_num, prefix, sampler_num); inv_width = 1.0 / widths[0]; // Texel centers: t = output texel center for top field, b = for bottom field, // x = the input texel. (The same area is two pixels for output, one for input; // thus the stippled line in the middle.) // // +---------+ // | | // | t | // | | // | - -x- - | // | | // | b | // | | // +---------+ // // Note as usual OpenGL's bottom-left convention. if (current_field_position == 0) { // Top. self_offset = -0.5 / num_lines; } else { // Bottom. assert(current_field_position == 1); self_offset = 0.5 / num_lines; } // Having now established where the texels lie for the uninterpolated samples, // we can use that to figure out where to sample for the interpolation. Drawing // the fields as what lines they represent, here for three-pixel high fields // with current_field_position == 0 (plus an “o” to mark the pixel we're trying // to interpolate, and “c” for corresponding texel in the other field): // // Prev Cur Next // x // x x // x // c o c // x // x x // // Obviously, for sampling in the current field, we are one half-texel off // compared to , so sampling in the current field is easy: current_offset[0] = self_offset - 0.5 / heights[0]; current_offset[1] = self_offset + 0.5 / heights[0]; // Now to find the texel in the other fields corresponding to the pixel // we're trying to interpolate, let's realign the diagram above: // // Prev Cur Next // x x x // // c x c // o // x x x // // So obviously for this case, we need to center on the same place as // current_offset[1] (the texel directly above the o; note again the // bottom-left convention). For the case of current_field_position == 1, // the shift in the alignment goes the other way, and what we want // is current_offset[0] (the texel directly below the o). float center_offset = current_offset[1 - current_field_position]; other_offset[0] = center_offset - 1.0 / heights[0]; other_offset[1] = center_offset; other_offset[2] = center_offset + 1.0 / heights[0]; } // Implementation of DeinterlaceComputeEffect. DeinterlaceComputeEffect::DeinterlaceComputeEffect() : enable_spatial_interlacing_check(true), current_field_position(TOP) { register_int("enable_spatial_interlacing_check", (int *)&enable_spatial_interlacing_check); register_int("current_field_position", (int *)¤t_field_position); register_uniform_float("inv_width", &inv_width); register_uniform_float("inv_height", &inv_height); register_uniform_float("current_field_vertical_offset", ¤t_field_vertical_offset); } string DeinterlaceComputeEffect::output_fragment_shader() { char buf[256]; snprintf(buf, sizeof(buf), "#define YADIF_ENABLE_SPATIAL_INTERLACING_CHECK %d\n", enable_spatial_interlacing_check); string frag_shader = buf; frag_shader += read_file("deinterlace_effect.comp"); return frag_shader; } void DeinterlaceComputeEffect::inform_input_size(unsigned input_num, unsigned width, unsigned height) { assert(input_num >= 0 && input_num < 5); widths[input_num] = width; heights[input_num] = height; } void DeinterlaceComputeEffect::get_output_size(unsigned *width, unsigned *height, unsigned *virtual_width, unsigned *virtual_height) const { assert(widths[0] == widths[1]); assert(widths[1] == widths[2]); assert(widths[2] == widths[3]); assert(widths[3] == widths[4]); assert(heights[0] == heights[1]); assert(heights[1] == heights[2]); assert(heights[2] == heights[3]); assert(heights[3] == heights[4]); *width = *virtual_width = widths[0]; *height = *virtual_height = heights[0] * 2; } void DeinterlaceComputeEffect::set_gl_state(GLuint glsl_program_num, const string &prefix, unsigned *sampler_num) { Effect::set_gl_state(glsl_program_num, prefix, sampler_num); inv_width = 1.0 / widths[0]; inv_height = 1.0 / heights[0]; // For the compute shader, we need to load a block of pixels. Marking off the // ones we are supposed to interpolate (looking only at one column): // // field_pos==0 field_pos==1 // // 6 x ↑ 6 . ↑ // 6 . | 6 x | // 5 x | 5 . | // 5 . | 5 x | // 4 x | 4 . | // 4 . | 4 x | // 3 x | y 3 o | y // 3 o | 3 x | // 2 x | 2 o | // 2 o | 2 x | // 1 x | 1 . | // 1 . | 1 x | // 0 x | 0 . | // 0 . | 0 x | // // So if we are to compute e.g. output samples [2,4), we load input samples // [1,3] for TFF and samples [2,4] for BFF. if (current_field_position == 0) { current_field_vertical_offset = -1.0 / heights[0]; } else { current_field_vertical_offset = 0.0 / heights[0]; } } void DeinterlaceComputeEffect::get_compute_dimensions(unsigned output_width, unsigned output_height, unsigned *x, unsigned *y, unsigned *z) const { // Each workgroup outputs 8x32 pixels (see GROUP_W and GROUP_H in the shader), // so figure out the number of groups by simply rounding up. *x = (output_width + 7) / 8; *y = (output_height + 31) / 32; *z = 1; } } // namespace movit movit-1.7.1/sandbox_effect.cpp0000644000175000017500000000102714462263704015372 0ustar sessesesse#include #include "sandbox_effect.h" #include "util.h" using namespace std; namespace movit { SandboxEffect::SandboxEffect() : parm(0.0f) { register_float("parm", &parm); } string SandboxEffect::output_fragment_shader() { return read_file("sandbox_effect.frag"); } void SandboxEffect::set_gl_state(GLuint glsl_program_num, const string &prefix, unsigned *sampler_num) { Effect::set_gl_state(glsl_program_num, prefix, sampler_num); // Any OpenGL state you might want to set, goes here. } } // namespace movit movit-1.7.1/mirror_effect.cpp0000644000175000017500000000035314462263704015247 0ustar sessesesse#include "mirror_effect.h" #include "util.h" using namespace std; namespace movit { MirrorEffect::MirrorEffect() { } string MirrorEffect::output_fragment_shader() { return read_file("mirror_effect.frag"); } } // namespace movit movit-1.7.1/resize_effect.cpp0000644000175000017500000000103314462263704015232 0ustar sessesesse#include "resize_effect.h" #include "util.h" using namespace std; namespace movit { ResizeEffect::ResizeEffect() : width(1280), height(720) { register_int("width", &width); register_int("height", &height); } string ResizeEffect::output_fragment_shader() { return read_file("identity.frag"); } void ResizeEffect::get_output_size(unsigned *width, unsigned *height, unsigned *virtual_width, unsigned *virtual_height) const { *virtual_width = *width = this->width; *virtual_height = *height = this->height; } } // namespace movit movit-1.7.1/multiply_effect.cpp0000644000175000017500000000050314462263704015611 0ustar sessesesse#include "multiply_effect.h" #include "util.h" using namespace std; namespace movit { MultiplyEffect::MultiplyEffect() : factor(1.0f, 1.0f, 1.0f, 1.0f) { register_vec4("factor", (float *)&factor); } string MultiplyEffect::output_fragment_shader() { return read_file("multiply_effect.frag"); } } // namespace movit movit-1.7.1/fft_input.cpp0000644000175000017500000000722714462263704014426 0ustar sessesesse#include #include #include #include #include "effect_util.h" #include "fp16.h" #include "fft_input.h" #include "resource_pool.h" #include "util.h" using namespace std; namespace movit { FFTInput::FFTInput(unsigned width, unsigned height) : texture_num(0), fft_width(width), fft_height(height), convolve_width(width), convolve_height(height), pixel_data(nullptr) { register_int("fft_width", &fft_width); register_int("fft_height", &fft_height); register_uniform_sampler2d("tex", &uniform_tex); } FFTInput::~FFTInput() { if (texture_num != 0) { resource_pool->release_2d_texture(texture_num); } } void FFTInput::set_gl_state(GLuint glsl_program_num, const string& prefix, unsigned *sampler_num) { glActiveTexture(GL_TEXTURE0 + *sampler_num); check_error(); if (texture_num == 0) { assert(pixel_data != nullptr); // Do the FFT. Our FFTs should typically be small enough and // the data changed often enough that FFTW_ESTIMATE should be // quite OK. Otherwise, we'd need to worry about caching these // plans (possibly including FFTW wisdom). fftw_complex *in = (fftw_complex *)fftw_malloc(sizeof(fftw_complex) * fft_width * fft_height); fftw_complex *out = (fftw_complex *)fftw_malloc(sizeof(fftw_complex) * fft_width * fft_height); fftw_plan p = fftw_plan_dft_2d(fft_height, fft_width, in, out, FFTW_FORWARD, FFTW_ESTIMATE); // Zero pad. for (int i = 0; i < fft_height * fft_width; ++i) { in[i][0] = 0.0; in[i][1] = 0.0; } for (unsigned y = 0; y < convolve_height; ++y) { for (unsigned x = 0; x < convolve_width; ++x) { int i = y * fft_width + x; in[i][0] = pixel_data[y * convolve_width + x]; in[i][1] = 0.0; } } fftw_execute(p); // Convert to fp16. fp16_int_t *kernel = new fp16_int_t[fft_width * fft_height * 2]; for (int i = 0; i < fft_width * fft_height; ++i) { kernel[i * 2 + 0] = fp32_to_fp16(out[i][0]); kernel[i * 2 + 1] = fp32_to_fp16(out[i][1]); } // (Re-)upload the texture. texture_num = resource_pool->create_2d_texture(GL_RG16F, fft_width, fft_height); glBindTexture(GL_TEXTURE_2D, texture_num); check_error(); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); check_error(); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); check_error(); glPixelStorei(GL_UNPACK_ALIGNMENT, 1); check_error(); glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, fft_width, fft_height, GL_RG, GL_HALF_FLOAT, kernel); check_error(); glPixelStorei(GL_UNPACK_ROW_LENGTH, 0); check_error(); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT); check_error(); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT); check_error(); fftw_free(in); fftw_free(out); delete[] kernel; } else { glBindTexture(GL_TEXTURE_2D, texture_num); check_error(); } // Bind it to a sampler. uniform_tex = *sampler_num; ++*sampler_num; } string FFTInput::output_fragment_shader() { return string("#define FIXUP_SWAP_RB 0\n#define FIXUP_RED_TO_GRAYSCALE 0\n") + read_file("flat_input.frag"); } void FFTInput::invalidate_pixel_data() { if (texture_num != 0) { resource_pool->release_2d_texture(texture_num); texture_num = 0; } } bool FFTInput::set_int(const std::string& key, int value) { if (key == "needs_mipmaps") { // We cannot supply mipmaps; it would not make any sense for FFT data. return (value == 0); } if (key == "fft_width") { if (value < int(convolve_width)) { return false; } invalidate_pixel_data(); } if (key == "fft_height") { if (value < int(convolve_height)) { return false; } invalidate_pixel_data(); } return Effect::set_int(key, value); } } // namespace movit movit-1.7.1/gtest_sdl_main.cpp0000644000175000017500000000320014462263704015407 0ustar sessesesse#define GTEST_HAS_EXCEPTIONS 0 #include #include #include #ifdef HAVE_BENCHMARK #include #endif #include #include #include "gtest/gtest.h" int main(int argc, char **argv) { // Set up an OpenGL context using SDL. if (SDL_Init(SDL_INIT_VIDEO) == -1) { fprintf(stderr, "SDL_Init failed: %s\n", SDL_GetError()); exit(1); } SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 0); SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE, 0); SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1); // Use a core context, because Mesa only allows certain OpenGL versions in core. SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE); SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3); SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 2); // See also init.cpp for how to enable debugging. // SDL_GL_SetAttribute(SDL_GL_CONTEXT_FLAGS, SDL_GL_CONTEXT_DEBUG_FLAG); SDL_Window *window = SDL_CreateWindow("OpenGL window for unit test", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, 32, 32, SDL_WINDOW_OPENGL); SDL_GLContext context = SDL_GL_CreateContext(window); assert(context != nullptr); int err; if (argc >= 2 && strcmp(argv[1], "--benchmark") == 0) { #ifdef HAVE_BENCHMARK --argc; ::benchmark::Initialize(&argc, argv + 1); if (::benchmark::ReportUnrecognizedArguments(argc, argv)) return 1; ::benchmark::RunSpecifiedBenchmarks(); err = 0; #else fprintf(stderr, "No support for microbenchmarks compiled in.\n"); err = 1; #endif } else { testing::InitGoogleTest(&argc, argv); err = RUN_ALL_TESTS(); } SDL_Quit(); return err; } movit-1.7.1/test_util.cpp0000644000175000017500000004040714462263704014441 0ustar sessesesse#include #include #include #include #include #include #include #include "flat_input.h" #include "init.h" #include "resource_pool.h" #include "test_util.h" #include "util.h" using namespace std; namespace movit { class Input; namespace { // Not thread-safe, but this isn't a big problem for testing. ResourcePool *get_static_pool() { static ResourcePool *resource_pool = nullptr; if (!resource_pool) { resource_pool = new ResourcePool(); } return resource_pool; } // Flip upside-down to compensate for different origin. template void vertical_flip(T *data, unsigned width, unsigned height) { for (unsigned y = 0; y < height / 2; ++y) { unsigned flip_y = height - y - 1; for (unsigned x = 0; x < width; ++x) { swap(data[y * width + x], data[flip_y * width + x]); } } } void init_movit_for_test() { CHECK(init_movit(".", MOVIT_DEBUG_OFF)); } } // namespace EffectChainTester::EffectChainTester(const float *data, unsigned width, unsigned height, MovitPixelFormat pixel_format, Colorspace color_space, GammaCurve gamma_curve, GLenum framebuffer_format) : chain(width, height, get_static_pool()), width(width), height(height), framebuffer_format(framebuffer_format), output_added(false), finalized(false) { init_movit_for_test(); if (data != nullptr) { add_input(data, pixel_format, color_space, gamma_curve); } } EffectChainTester::~EffectChainTester() { } Input *EffectChainTester::add_input(const float *data, MovitPixelFormat pixel_format, Colorspace color_space, GammaCurve gamma_curve, int input_width, int input_height) { ImageFormat format; format.color_space = color_space; format.gamma_curve = gamma_curve; if (input_width == -1) { input_width = width; } if (input_height == -1) { input_height = height; } FlatInput *input = new FlatInput(format, pixel_format, GL_FLOAT, input_width, input_height); input->set_pixel_data(data); chain.add_input(input); return input; } Input *EffectChainTester::add_input(const fp16_int_t *data, MovitPixelFormat pixel_format, Colorspace color_space, GammaCurve gamma_curve, int input_width, int input_height) { ImageFormat format; format.color_space = color_space; format.gamma_curve = gamma_curve; if (input_width == -1) { input_width = width; } if (input_height == -1) { input_height = height; } FlatInput *input = new FlatInput(format, pixel_format, GL_HALF_FLOAT, input_width, input_height); input->set_pixel_data_fp16(data); chain.add_input(input); return input; } Input *EffectChainTester::add_input(const unsigned char *data, MovitPixelFormat pixel_format, Colorspace color_space, GammaCurve gamma_curve, int input_width, int input_height) { ImageFormat format; format.color_space = color_space; format.gamma_curve = gamma_curve; if (input_width == -1) { input_width = width; } if (input_height == -1) { input_height = height; } FlatInput *input = new FlatInput(format, pixel_format, GL_UNSIGNED_BYTE, input_width, input_height); input->set_pixel_data(data); chain.add_input(input); return input; } void EffectChainTester::run(float *out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format) { internal_run({out_data}, format, color_space, gamma_curve, alpha_format); } void EffectChainTester::run(const std::vector &out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format) { internal_run(out_data, format, color_space, gamma_curve, alpha_format); } void EffectChainTester::run(unsigned char *out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format) { internal_run({out_data}, format, color_space, gamma_curve, alpha_format); } void EffectChainTester::run(const std::vector &out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format) { internal_run(out_data, format, color_space, gamma_curve, alpha_format); } void EffectChainTester::run(uint16_t *out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format) { internal_run({out_data}, format, color_space, gamma_curve, alpha_format); } void EffectChainTester::run_10_10_10_2(uint32_t *out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format) { internal_run({out_data}, format, color_space, gamma_curve, alpha_format); } #ifdef HAVE_BENCHMARK void EffectChainTester::benchmark(benchmark::State &state, float *out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format) { internal_run({out_data}, format, color_space, gamma_curve, alpha_format, &state); } void EffectChainTester::benchmark(benchmark::State &state, const std::vector &out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format) { internal_run(out_data, format, color_space, gamma_curve, alpha_format, &state); } void EffectChainTester::benchmark(benchmark::State &state, fp16_int_t *out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format) { internal_run({out_data}, format, color_space, gamma_curve, alpha_format, &state); } void EffectChainTester::benchmark(benchmark::State &state, const std::vector &out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format) { internal_run(out_data, format, color_space, gamma_curve, alpha_format, &state); } void EffectChainTester::benchmark(benchmark::State &state, unsigned char *out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format) { internal_run({out_data}, format, color_space, gamma_curve, alpha_format, &state); } void EffectChainTester::benchmark(benchmark::State &state, const std::vector &out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format) { internal_run(out_data, format, color_space, gamma_curve, alpha_format, &state); } void EffectChainTester::benchmark(benchmark::State &state, uint16_t *out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format) { internal_run({out_data}, format, color_space, gamma_curve, alpha_format, &state); } void EffectChainTester::benchmark_10_10_10_2(benchmark::State &state, uint32_t *out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format) { internal_run({out_data}, format, color_space, gamma_curve, alpha_format, &state); } #endif template void EffectChainTester::internal_run(const std::vector &out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format #ifdef HAVE_BENCHMARK , benchmark::State *benchmark_state #endif ) { if (!finalized) { finalize_chain(color_space, gamma_curve, alpha_format); } GLuint type; if (framebuffer_format == GL_RGBA8) { type = GL_UNSIGNED_BYTE; } else if (framebuffer_format == GL_RGBA16) { type = GL_UNSIGNED_SHORT; } else if (framebuffer_format == GL_RGBA16F && sizeof(T) == 2) { type = GL_HALF_FLOAT; } else if (framebuffer_format == GL_RGBA16F || framebuffer_format == GL_RGBA32F) { type = GL_FLOAT; } else if (framebuffer_format == GL_RGB10_A2) { type = GL_UNSIGNED_INT_2_10_10_10_REV; } else { // Add more here as needed. assert(false); } glActiveTexture(GL_TEXTURE0); check_error(); vector textures; for (unsigned i = 0; i < out_data.size(); ++i) { GLuint texnum = chain.get_resource_pool()->create_2d_texture(framebuffer_format, width, height); textures.push_back(EffectChain::DestinationTexture{texnum, framebuffer_format}); // The output texture needs to have valid state to be written to by a compute shader. glBindTexture(GL_TEXTURE_2D, texnum); check_error(); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); check_error(); } chain.render_to_texture(textures, width, height); #ifdef HAVE_BENCHMARK // If running benchmarks: Now we've warmed up everything, so let's run the // actual benchmark loop. if (benchmark_state != nullptr) { glFinish(); size_t iters = benchmark_state->max_iterations; for (auto _ : *benchmark_state) { chain.render_to_texture(textures, width, height); if (--iters == 0) { glFinish(); } } benchmark_state->SetItemsProcessed(benchmark_state->iterations() * width * height); } #endif for (unsigned i = 0; i < out_data.size(); ++i) { T *ptr = out_data[i]; glBindTexture(GL_TEXTURE_2D, textures[i].texnum); check_error(); if (!epoxy_is_desktop_gl() && (format == GL_RED || format == GL_BLUE || format == GL_ALPHA)) { // GLES will only read GL_RGBA. std::unique_ptr temp(new T[width * height * 4]); glGetTexImage(GL_TEXTURE_2D, 0, GL_RGBA, type, temp.get()); check_error(); if (format == GL_ALPHA) { for (unsigned j = 0; j < width * height; ++j) { ptr[j] = temp[j * 4 + 3]; } } else if (format == GL_BLUE) { for (unsigned j = 0; j < width * height; ++j) { ptr[j] = temp[j * 4 + 2]; } } else { for (unsigned j = 0; j < width * height; ++j) { ptr[j] = temp[j * 4]; } } } else { glGetTexImage(GL_TEXTURE_2D, 0, format, type, ptr); check_error(); } if (format == GL_RGBA && (type == GL_UNSIGNED_BYTE || type == GL_UNSIGNED_SHORT || type == GL_FLOAT)) { vertical_flip(ptr, width * 4, height); } else { vertical_flip(ptr, width, height); } } for (unsigned i = 0; i < out_data.size(); ++i) { chain.get_resource_pool()->release_2d_texture(textures[i].texnum); } } void EffectChainTester::add_output(const ImageFormat &format, OutputAlphaFormat alpha_format) { chain.add_output(format, alpha_format); output_added = true; } void EffectChainTester::add_ycbcr_output(const ImageFormat &format, OutputAlphaFormat alpha_format, const YCbCrFormat &ycbcr_format, YCbCrOutputSplitting output_splitting, GLenum type) { chain.add_ycbcr_output(format, alpha_format, ycbcr_format, output_splitting, type); output_added = true; } void EffectChainTester::finalize_chain(Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format) { assert(!finalized); if (!output_added) { ImageFormat image_format; image_format.color_space = color_space; image_format.gamma_curve = gamma_curve; chain.add_output(image_format, alpha_format); output_added = true; } chain.finalize(); finalized = true; } void expect_equal(const float *ref, const float *result, unsigned width, unsigned height, float largest_difference_limit, float rms_limit) { float largest_difference = -1.0f; float squared_difference = 0.0f; int largest_diff_x = -1, largest_diff_y = -1; for (unsigned y = 0; y < height; ++y) { for (unsigned x = 0; x < width; ++x) { float diff = ref[y * width + x] - result[y * width + x]; if (fabs(diff) > largest_difference) { largest_difference = fabs(diff); largest_diff_x = x; largest_diff_y = y; } squared_difference += diff * diff; } } EXPECT_LT(largest_difference, largest_difference_limit) << "Largest difference is in x=" << largest_diff_x << ", y=" << largest_diff_y << ":\n" << "Reference: " << ref[largest_diff_y * width + largest_diff_x] << "\n" << "Result: " << result[largest_diff_y * width + largest_diff_x]; float rms = sqrt(squared_difference) / (width * height); EXPECT_LT(rms, rms_limit); if (largest_difference >= largest_difference_limit || isnan(rms) || rms >= rms_limit) { fprintf(stderr, "Dumping matrices for easier debugging, since at least one test failed.\n"); fprintf(stderr, "Reference:\n"); for (unsigned y = 0; y < height; ++y) { for (unsigned x = 0; x < width; ++x) { fprintf(stderr, "%7.4f ", ref[y * width + x]); } fprintf(stderr, "\n"); } fprintf(stderr, "\nResult:\n"); for (unsigned y = 0; y < height; ++y) { for (unsigned x = 0; x < width; ++x) { fprintf(stderr, "%7.4f ", result[y * width + x]); } fprintf(stderr, "\n"); } } } void expect_equal(const unsigned char *ref, const unsigned char *result, unsigned width, unsigned height, unsigned largest_difference_limit, float rms_limit) { assert(width > 0); assert(height > 0); float *ref_float = new float[width * height]; float *result_float = new float[width * height]; for (unsigned y = 0; y < height; ++y) { for (unsigned x = 0; x < width; ++x) { ref_float[y * width + x] = ref[y * width + x]; result_float[y * width + x] = result[y * width + x]; } } expect_equal(ref_float, result_float, width, height, largest_difference_limit, rms_limit); delete[] ref_float; delete[] result_float; } void expect_equal(const uint16_t *ref, const uint16_t *result, unsigned width, unsigned height, unsigned largest_difference_limit, float rms_limit) { assert(width > 0); assert(height > 0); float *ref_float = new float[width * height]; float *result_float = new float[width * height]; for (unsigned y = 0; y < height; ++y) { for (unsigned x = 0; x < width; ++x) { ref_float[y * width + x] = ref[y * width + x]; result_float[y * width + x] = result[y * width + x]; } } expect_equal(ref_float, result_float, width, height, largest_difference_limit, rms_limit); delete[] ref_float; delete[] result_float; } void expect_equal(const int *ref, const int *result, unsigned width, unsigned height, unsigned largest_difference_limit, float rms_limit) { assert(width > 0); assert(height > 0); float *ref_float = new float[width * height]; float *result_float = new float[width * height]; for (unsigned y = 0; y < height; ++y) { for (unsigned x = 0; x < width; ++x) { ref_float[y * width + x] = ref[y * width + x]; result_float[y * width + x] = result[y * width + x]; } } expect_equal(ref_float, result_float, width, height, largest_difference_limit, rms_limit); delete[] ref_float; delete[] result_float; } void test_accuracy(const float *expected, const float *result, unsigned num_values, double absolute_error_limit, double relative_error_limit, double local_relative_error_limit, double rms_limit) { double squared_difference = 0.0; for (unsigned i = 0; i < num_values; ++i) { double absolute_error = fabs(expected[i] - result[i]); squared_difference += absolute_error * absolute_error; EXPECT_LT(absolute_error, absolute_error_limit); if (expected[i] > 0.0) { double relative_error = fabs(absolute_error / expected[i]); EXPECT_LT(relative_error, relative_error_limit); } if (i < num_values - 1) { double delta = expected[i + 1] - expected[i]; double local_relative_error = fabs(absolute_error / delta); EXPECT_LT(local_relative_error, local_relative_error_limit); } } double rms = sqrt(squared_difference) / num_values; EXPECT_LT(rms, rms_limit); } double srgb_to_linear(double x) { // From the Wikipedia article on sRGB. if (x < 0.04045) { return x / 12.92; } else { return pow((x + 0.055) / 1.055, 2.4); } } double linear_to_srgb(double x) { // From the Wikipedia article on sRGB. if (x < 0.0031308) { return 12.92 * x; } else { return 1.055 * pow(x, 1.0 / 2.4) - 0.055; } } DisableComputeShadersTemporarily::DisableComputeShadersTemporarily(bool disable_compute_shaders) : disable_compute_shaders(disable_compute_shaders) { init_movit_for_test(); saved_compute_shaders_supported = movit_compute_shaders_supported; if (disable_compute_shaders) { movit_compute_shaders_supported = false; } } DisableComputeShadersTemporarily::~DisableComputeShadersTemporarily() { movit_compute_shaders_supported = saved_compute_shaders_supported; } bool DisableComputeShadersTemporarily::should_skip() { if (disable_compute_shaders) { return false; } if (!movit_compute_shaders_supported) { fprintf(stderr, "Compute shaders not supported; skipping.\n"); return true; } return false; } #ifdef HAVE_BENCHMARK bool DisableComputeShadersTemporarily::should_skip(benchmark::State *benchmark_state) { if (disable_compute_shaders) { return false; } if (!movit_compute_shaders_supported) { benchmark_state->SkipWithError("Compute shaders not supported"); return true; } return false; } #endif } // namespace movit movit-1.7.1/effect_chain_test.cpp0000644000175000017500000020703714462263704016066 0ustar sessesesse// Unit tests for EffectChain. // // Note that this also contains the tests for some of the simpler effects. #include #include #include #include #include #include "effect.h" #include "effect_chain.h" #include "flat_input.h" #include "gtest/gtest.h" #include "init.h" #include "input.h" #include "mirror_effect.h" #include "multiply_effect.h" #include "resize_effect.h" #include "resource_pool.h" #include "test_util.h" #include "util.h" using namespace std; namespace movit { TEST(EffectChainTest, EmptyChain) { float data[] = { 0.0f, 0.25f, 0.3f, 0.75f, 1.0f, 1.0f, }; float out_data[6]; EffectChainTester tester(data, 3, 2, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(data, out_data, 3, 2); } // An effect that does nothing. class IdentityEffect : public Effect { public: IdentityEffect() {} string effect_type_id() const override { return "IdentityEffect"; } string output_fragment_shader() override { return read_file("identity.frag"); } }; TEST(EffectChainTest, Identity) { float data[] = { 0.0f, 0.25f, 0.3f, 0.75f, 1.0f, 1.0f, }; float out_data[6]; EffectChainTester tester(data, 3, 2, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR); tester.get_chain()->add_effect(new IdentityEffect()); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(data, out_data, 3, 2); } // An effect that does nothing, but requests texture bounce. class BouncingIdentityEffect : public Effect { public: BouncingIdentityEffect() {} string effect_type_id() const override { return "IdentityEffect"; } string output_fragment_shader() override { return read_file("identity.frag"); } bool needs_texture_bounce() const override { return true; } AlphaHandling alpha_handling() const override { return DONT_CARE_ALPHA_TYPE; } }; TEST(EffectChainTest, TextureBouncePreservesIdentity) { float data[] = { 0.0f, 0.25f, 0.3f, 0.75f, 1.0f, 1.0f, }; float out_data[6]; EffectChainTester tester(data, 3, 2, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR); tester.get_chain()->add_effect(new BouncingIdentityEffect()); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(data, out_data, 3, 2); } TEST(MirrorTest, BasicTest) { float data[] = { 0.0f, 0.25f, 0.3f, 0.75f, 1.0f, 1.0f, }; float expected_data[6] = { 0.3f, 0.25f, 0.0f, 1.0f, 1.0f, 0.75f, }; float out_data[6]; EffectChainTester tester(data, 3, 2, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR); tester.get_chain()->add_effect(new MirrorEffect()); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(expected_data, out_data, 3, 2); } class WithAndWithoutComputeShaderTest : public testing::TestWithParam { }; INSTANTIATE_TEST_CASE_P(WithAndWithoutComputeShaderTest, WithAndWithoutComputeShaderTest, testing::Values("fragment", "compute")); // An effect that does nothing, but as a compute shader. class IdentityComputeEffect : public Effect { public: IdentityComputeEffect() {} virtual string effect_type_id() const { return "IdentityComputeEffect"; } virtual bool is_compute_shader() const { return true; } string output_fragment_shader() { return read_file("identity.comp"); } }; TEST_P(WithAndWithoutComputeShaderTest, TopLeftOrigin) { float data[] = { 0.0f, 0.25f, 0.3f, 0.75f, 1.0f, 1.0f, }; // Note that EffectChainTester assumes bottom-left origin, so by setting // top-left, we will get flipped data back. float expected_data[6] = { 0.75f, 1.0f, 1.0f, 0.0f, 0.25f, 0.3f, }; float out_data[6]; EffectChainTester tester(data, 3, 2, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR); tester.get_chain()->set_output_origin(OUTPUT_ORIGIN_TOP_LEFT); if (GetParam() == "compute") { if (!movit_compute_shaders_supported) { fprintf(stderr, "Skipping test; no support for compile shaders.\n"); return; } tester.get_chain()->add_effect(new IdentityComputeEffect()); } tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(expected_data, out_data, 3, 2); } // A dummy effect that inverts its input. class InvertEffect : public Effect { public: InvertEffect() {} string effect_type_id() const override { return "InvertEffect"; } string output_fragment_shader() override { return read_file("invert_effect.frag"); } // A real invert would actually care about its alpha, // but in this unit test, it only complicates things. AlphaHandling alpha_handling() const override { return DONT_CARE_ALPHA_TYPE; } }; // Like IdentityEffect, but rewrites itself out of the loop, // splicing in a different effect instead. Also stores the new node, // so we later can check whatever properties we'd like about the graph. template class RewritingEffect : public Effect { public: template RewritingEffect(Args &&... args) : effect(new T(std::forward(args)...)), replaced_node(nullptr) {} string effect_type_id() const override { return "RewritingEffect[" + effect->effect_type_id() + "]"; } string output_fragment_shader() override { EXPECT_TRUE(false); return read_file("identity.frag"); } void rewrite_graph(EffectChain *graph, Node *self) override { replaced_node = graph->add_node(effect); graph->replace_receiver(self, replaced_node); graph->replace_sender(self, replaced_node); self->disabled = true; } T *effect; Node *replaced_node; }; TEST(EffectChainTest, RewritingWorksAndGammaConversionsAreInserted) { float data[] = { 0.0f, 0.25f, 0.3f, 0.75f, 1.0f, 1.0f, }; float expected_data[6] = { 1.0f, 0.9771f, 0.9673f, 0.7192f, 0.0f, 0.0f, }; float out_data[6]; EffectChainTester tester(data, 3, 2, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_sRGB); RewritingEffect *effect = new RewritingEffect(); tester.get_chain()->add_effect(effect); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_sRGB); Node *node = effect->replaced_node; ASSERT_EQ(1u, node->incoming_links.size()); ASSERT_EQ(1u, node->outgoing_links.size()); EXPECT_EQ("GammaExpansionEffect", node->incoming_links[0]->effect->effect_type_id()); EXPECT_EQ("GammaCompressionEffect", node->outgoing_links[0]->effect->effect_type_id()); expect_equal(expected_data, out_data, 3, 2); } TEST(EffectChainTest, RewritingWorksAndTexturesAreAskedForsRGB) { unsigned char data[] = { 0, 0, 0, 255, 64, 64, 64, 255, 128, 128, 128, 255, 255, 255, 255, 255, }; float expected_data[] = { 1.0000f, 1.0000f, 1.0000f, 1.0000f, 0.9771f, 0.9771f, 0.9771f, 1.0000f, 0.8983f, 0.8983f, 0.8983f, 1.0000f, 0.0000f, 0.0000f, 0.0000f, 1.0000f }; float out_data[4 * 4]; EffectChainTester tester(nullptr, 1, 4); tester.add_input(data, FORMAT_RGBA_POSTMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_sRGB); RewritingEffect *effect = new RewritingEffect(); tester.get_chain()->add_effect(effect); tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_sRGB); Node *node = effect->replaced_node; ASSERT_EQ(1u, node->incoming_links.size()); ASSERT_EQ(1u, node->outgoing_links.size()); EXPECT_EQ("FlatInput", node->incoming_links[0]->effect->effect_type_id()); EXPECT_EQ("GammaCompressionEffect", node->outgoing_links[0]->effect->effect_type_id()); expect_equal(expected_data, out_data, 4, 4); } TEST(EffectChainTest, RewritingWorksAndColorspaceConversionsAreInserted) { float data[] = { 0.0f, 0.25f, 0.3f, 0.75f, 1.0f, 1.0f, }; float expected_data[6] = { 1.0f, 0.75f, 0.7f, 0.25f, 0.0f, 0.0f, }; float out_data[6]; EffectChainTester tester(data, 3, 2, FORMAT_GRAYSCALE, COLORSPACE_REC_601_525, GAMMA_LINEAR); RewritingEffect *effect = new RewritingEffect(); tester.get_chain()->add_effect(effect); tester.run(out_data, GL_RED, COLORSPACE_REC_601_525, GAMMA_LINEAR); Node *node = effect->replaced_node; ASSERT_EQ(1u, node->incoming_links.size()); ASSERT_EQ(1u, node->outgoing_links.size()); EXPECT_EQ("ColorspaceConversionEffect", node->incoming_links[0]->effect->effect_type_id()); EXPECT_EQ("ColorspaceConversionEffect", node->outgoing_links[0]->effect->effect_type_id()); expect_equal(expected_data, out_data, 3, 2); } // A fake input that can change its output colorspace and gamma between instantiation // and finalize. class UnknownColorspaceInput : public FlatInput { public: UnknownColorspaceInput(ImageFormat format, MovitPixelFormat pixel_format, GLenum type, unsigned width, unsigned height) : FlatInput(format, pixel_format, type, width, height), overridden_color_space(format.color_space), overridden_gamma_curve(format.gamma_curve) {} string effect_type_id() const override { return "UnknownColorspaceInput"; } void set_color_space(Colorspace colorspace) { overridden_color_space = colorspace; } void set_gamma_curve(GammaCurve gamma_curve) { overridden_gamma_curve = gamma_curve; } Colorspace get_color_space() const override { return overridden_color_space; } GammaCurve get_gamma_curve() const override { return overridden_gamma_curve; } private: Colorspace overridden_color_space; GammaCurve overridden_gamma_curve; }; TEST(EffectChainTest, HandlesInputChangingColorspace) { const int size = 4; float data[size] = { 0.0, 0.5, 0.7, 1.0, }; float out_data[size]; EffectChainTester tester(nullptr, 4, 1, FORMAT_GRAYSCALE); // First say that we have sRGB, linear input. ImageFormat format; format.color_space = COLORSPACE_sRGB; format.gamma_curve = GAMMA_LINEAR; UnknownColorspaceInput *input = new UnknownColorspaceInput(format, FORMAT_GRAYSCALE, GL_FLOAT, 4, 1); input->set_pixel_data(data); tester.get_chain()->add_input(input); // Now we change to Rec. 601 input. input->set_color_space(COLORSPACE_REC_601_625); input->set_gamma_curve(GAMMA_REC_601); // Now ask for Rec. 601 output. Thus, our chain should now be a no-op. tester.run(out_data, GL_RED, COLORSPACE_REC_601_625, GAMMA_REC_601); expect_equal(data, out_data, 4, 1); } TEST(EffectChainTest, NoGammaConversionsWhenLinearLightNotNeeded) { float data[] = { 0.0f, 0.25f, 0.3f, 0.75f, 1.0f, 1.0f, }; float expected_data[6] = { 0.3f, 0.25f, 0.0f, 1.0f, 1.0f, 0.75f, }; float out_data[6]; EffectChainTester tester(data, 3, 2, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_sRGB); RewritingEffect *effect = new RewritingEffect(); tester.get_chain()->add_effect(effect); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_sRGB); Node *node = effect->replaced_node; ASSERT_EQ(1u, node->incoming_links.size()); EXPECT_EQ(0u, node->outgoing_links.size()); EXPECT_EQ("FlatInput", node->incoming_links[0]->effect->effect_type_id()); expect_equal(expected_data, out_data, 3, 2); } TEST(EffectChainTest, NoColorspaceConversionsWhensRGBPrimariesNotNeeded) { float data[] = { 0.0f, 0.25f, 0.3f, 0.75f, 1.0f, 1.0f, }; float expected_data[6] = { 0.3f, 0.25f, 0.0f, 1.0f, 1.0f, 0.75f, }; float out_data[6]; EffectChainTester tester(data, 3, 2, FORMAT_GRAYSCALE, COLORSPACE_REC_601_525, GAMMA_LINEAR); RewritingEffect *effect = new RewritingEffect(); tester.get_chain()->add_effect(effect); tester.run(out_data, GL_RED, COLORSPACE_REC_601_525, GAMMA_LINEAR); Node *node = effect->replaced_node; ASSERT_EQ(1u, node->incoming_links.size()); EXPECT_EQ(0u, node->outgoing_links.size()); EXPECT_EQ("FlatInput", node->incoming_links[0]->effect->effect_type_id()); expect_equal(expected_data, out_data, 3, 2); } // The identity effect needs linear light, and thus will get conversions on both sides. // Verify that sRGB data is properly converted to and from linear light for the entire ramp. TEST(EffectChainTest, IdentityThroughsRGBConversions) { float data[256]; for (unsigned i = 0; i < 256; ++i) { data[i] = i / 255.0; }; float out_data[256]; EffectChainTester tester(data, 256, 1, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_sRGB); tester.get_chain()->add_effect(new IdentityEffect()); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_sRGB); expect_equal(data, out_data, 256, 1); } // Same, but uses the forward sRGB table from the GPU. TEST(EffectChainTest, IdentityThroughGPUsRGBConversions) { unsigned char data[256]; float expected_data[256]; for (unsigned i = 0; i < 256; ++i) { data[i] = i; expected_data[i] = i / 255.0; }; float out_data[256]; EffectChainTester tester(nullptr, 256, 1); tester.add_input(data, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_sRGB); tester.get_chain()->add_effect(new IdentityEffect()); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_sRGB); expect_equal(expected_data, out_data, 256, 1); } // Same, for the Rec. 601/709 gamma curve. TEST(EffectChainTest, IdentityThroughRec709) { float data[256]; for (unsigned i = 0; i < 256; ++i) { data[i] = i / 255.0; }; float out_data[256]; EffectChainTester tester(data, 256, 1, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_REC_709); tester.get_chain()->add_effect(new IdentityEffect()); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_REC_709); expect_equal(data, out_data, 256, 1); } // The identity effect needs premultiplied alpha, and thus will get conversions on both sides. TEST(EffectChainTest, IdentityThroughAlphaConversions) { const int size = 3; float data[4 * size] = { 0.8f, 0.0f, 0.0f, 0.5f, 0.0f, 0.2f, 0.2f, 0.3f, 0.1f, 0.0f, 1.0f, 1.0f, }; float out_data[4 * size]; EffectChainTester tester(data, size, 1, FORMAT_RGBA_POSTMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_LINEAR); tester.get_chain()->add_effect(new IdentityEffect()); tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(data, out_data, 4, size); } TEST(EffectChainTest, NoAlphaConversionsWhenPremultipliedAlphaNotNeeded) { const int size = 3; float data[4 * size] = { 0.8f, 0.0f, 0.0f, 0.5f, 0.0f, 0.2f, 0.2f, 0.3f, 0.1f, 0.0f, 1.0f, 1.0f, }; float expected_data[4 * size] = { 0.1f, 0.0f, 1.0f, 1.0f, 0.0f, 0.2f, 0.2f, 0.3f, 0.8f, 0.0f, 0.0f, 0.5f, }; float out_data[4 * size]; EffectChainTester tester(data, size, 1, FORMAT_RGBA_POSTMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_LINEAR); RewritingEffect *effect = new RewritingEffect(); tester.get_chain()->add_effect(effect); tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR); Node *node = effect->replaced_node; ASSERT_EQ(1u, node->incoming_links.size()); EXPECT_EQ(0u, node->outgoing_links.size()); EXPECT_EQ("FlatInput", node->incoming_links[0]->effect->effect_type_id()); expect_equal(expected_data, out_data, 4, size); } // An input that outputs only blue, which has blank alpha. class BlueInput : public Input { public: BlueInput() { register_int("needs_mipmaps", &needs_mipmaps); } string effect_type_id() const override { return "IdentityEffect"; } string output_fragment_shader() override { return read_file("blue.frag"); } AlphaHandling alpha_handling() const override { return OUTPUT_BLANK_ALPHA; } bool can_output_linear_gamma() const override { return true; } unsigned get_width() const override { return 1; } unsigned get_height() const override { return 1; } Colorspace get_color_space() const override { return COLORSPACE_sRGB; } GammaCurve get_gamma_curve() const override { return GAMMA_LINEAR; } private: int needs_mipmaps; }; // Like RewritingEffect, but splicing in a BlueInput instead, // which outputs blank alpha. class RewritingToBlueInput : public Input { public: RewritingToBlueInput() : blue_node(nullptr) { register_int("needs_mipmaps", &needs_mipmaps); } string effect_type_id() const override { return "RewritingToBlueInput"; } string output_fragment_shader() override { EXPECT_TRUE(false); return read_file("identity.frag"); } void rewrite_graph(EffectChain *graph, Node *self) override { Node *blue_node = graph->add_node(new BlueInput()); graph->replace_receiver(self, blue_node); graph->replace_sender(self, blue_node); self->disabled = true; this->blue_node = blue_node; } // Dummy values that we need to implement because we inherit from Input. // Same as BlueInput. AlphaHandling alpha_handling() const override { return OUTPUT_BLANK_ALPHA; } bool can_output_linear_gamma() const override { return true; } unsigned get_width() const override { return 1; } unsigned get_height() const override { return 1; } Colorspace get_color_space() const override { return COLORSPACE_sRGB; } GammaCurve get_gamma_curve() const override { return GAMMA_LINEAR; } Node *blue_node; private: int needs_mipmaps; }; TEST(EffectChainTest, NoAlphaConversionsWithBlankAlpha) { const int size = 3; float data[4 * size] = { 0.0f, 0.0f, 1.0f, 1.0f, 0.0f, 0.0f, 1.0f, 1.0f, 0.0f, 0.0f, 1.0f, 1.0f, }; float out_data[4 * size]; EffectChainTester tester(nullptr, size, 1); RewritingToBlueInput *input = new RewritingToBlueInput(); tester.get_chain()->add_input(input); tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR, OUTPUT_ALPHA_FORMAT_PREMULTIPLIED); Node *node = input->blue_node; EXPECT_EQ(0u, node->incoming_links.size()); EXPECT_EQ(0u, node->outgoing_links.size()); expect_equal(data, out_data, 4, size); } // An effect that does nothing, and specifies that it preserves blank alpha. class BlankAlphaPreservingEffect : public Effect { public: BlankAlphaPreservingEffect() {} string effect_type_id() const override { return "BlankAlphaPreservingEffect"; } string output_fragment_shader() override { return read_file("identity.frag"); } AlphaHandling alpha_handling() const override { return INPUT_PREMULTIPLIED_ALPHA_KEEP_BLANK; } }; TEST(EffectChainTest, NoAlphaConversionsWithBlankAlphaPreservingEffect) { const int size = 3; float data[4 * size] = { 0.0f, 0.0f, 1.0f, 1.0f, 0.0f, 0.0f, 1.0f, 1.0f, 0.0f, 0.0f, 1.0f, 1.0f, }; float out_data[4 * size]; EffectChainTester tester(nullptr, size, 1); tester.get_chain()->add_input(new BlueInput()); tester.get_chain()->add_effect(new BlankAlphaPreservingEffect()); RewritingEffect *effect = new RewritingEffect(); tester.get_chain()->add_effect(effect); tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR, OUTPUT_ALPHA_FORMAT_POSTMULTIPLIED); Node *node = effect->replaced_node; EXPECT_EQ(1u, node->incoming_links.size()); EXPECT_EQ(0u, node->outgoing_links.size()); expect_equal(data, out_data, 4, size); } // This is the counter-test to NoAlphaConversionsWithBlankAlphaPreservingEffect; // just to be sure that with a normal INPUT_AND_OUTPUT_PREMULTIPLIED_ALPHA effect, // an alpha conversion _should_ be inserted at the very end. (There is some overlap // with other tests.) TEST(EffectChainTest, AlphaConversionsWithNonBlankAlphaPreservingEffect) { const int size = 3; float data[4 * size] = { 0.0f, 0.0f, 1.0f, 1.0f, 0.0f, 0.0f, 1.0f, 1.0f, 0.0f, 0.0f, 1.0f, 1.0f, }; float out_data[4 * size]; EffectChainTester tester(nullptr, size, 1); tester.get_chain()->add_input(new BlueInput()); tester.get_chain()->add_effect(new IdentityEffect()); // Not BlankAlphaPreservingEffect. RewritingEffect *effect = new RewritingEffect(); tester.get_chain()->add_effect(effect); tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR, OUTPUT_ALPHA_FORMAT_POSTMULTIPLIED); Node *node = effect->replaced_node; EXPECT_EQ(1u, node->incoming_links.size()); EXPECT_EQ(1u, node->outgoing_links.size()); EXPECT_EQ("AlphaDivisionEffect", node->outgoing_links[0]->effect->effect_type_id()); expect_equal(data, out_data, 4, size); } // Effectively scales down its input linearly by 4x (and repeating it), // which is not attainable without mipmaps. class MipmapNeedingEffect : public Effect { public: MipmapNeedingEffect() {} MipmapRequirements needs_mipmaps() const override { return NEEDS_MIPMAPS; } // To be allowed to mess with the sampler state. bool needs_texture_bounce() const override { return true; } string effect_type_id() const override { return "MipmapNeedingEffect"; } string output_fragment_shader() override { return read_file("mipmap_needing_effect.frag"); } void inform_added(EffectChain *chain) override { this->chain = chain; } void set_gl_state(GLuint glsl_program_num, const string& prefix, unsigned *sampler_num) override { Node *self = chain->find_node_for_effect(this); glActiveTexture(chain->get_input_sampler(self, 0)); check_error(); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT); check_error(); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT); check_error(); } private: EffectChain *chain; }; TEST(EffectChainTest, MipmapGenerationWorks) { float data[] = { // In 4x4 blocks. 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.5f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, 1.0f, 0.0f, 0.0f, 1.0f, 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, }; float expected_data[] = { // Repeated four times each way. 0.125f, 0.125f, 0.125f, 0.125f, 0.09375f, 0.09375f, 0.09375f, 0.09375f, 1.0f, 1.0f, 1.0f, 1.0f, 0.25f, 0.25f, 0.25f, 0.25f, 0.125f, 0.125f, 0.125f, 0.125f, 0.09375f, 0.09375f, 0.09375f, 0.09375f, 1.0f, 1.0f, 1.0f, 1.0f, 0.25f, 0.25f, 0.25f, 0.25f, 0.125f, 0.125f, 0.125f, 0.125f, 0.09375f, 0.09375f, 0.09375f, 0.09375f, 1.0f, 1.0f, 1.0f, 1.0f, 0.25f, 0.25f, 0.25f, 0.25f, 0.125f, 0.125f, 0.125f, 0.125f, 0.09375f, 0.09375f, 0.09375f, 0.09375f, 1.0f, 1.0f, 1.0f, 1.0f, 0.25f, 0.25f, 0.25f, 0.25f, }; float out_data[4 * 16]; EffectChainTester tester(data, 4, 16, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR); tester.get_chain()->add_effect(new MipmapNeedingEffect()); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(expected_data, out_data, 4, 16); } class NonMipmapCapableInput : public FlatInput { public: NonMipmapCapableInput(ImageFormat format, MovitPixelFormat pixel_format, GLenum type, unsigned width, unsigned height) : FlatInput(format, pixel_format, type, width, height) {} bool can_supply_mipmaps() const override { return false; } bool set_int(const std::string& key, int value) override { if (key == "needs_mipmaps") { assert(value == 0); } return FlatInput::set_int(key, value); } }; // The same test as MipmapGenerationWorks, but with an input that refuses // to supply mipmaps. TEST(EffectChainTest, MipmapsWithNonMipmapCapableInput) { float data[] = { // In 4x4 blocks. 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.5f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, 1.0f, 0.0f, 0.0f, 1.0f, 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, }; float expected_data[] = { // Repeated four times each way. 0.125f, 0.125f, 0.125f, 0.125f, 0.09375f, 0.09375f, 0.09375f, 0.09375f, 1.0f, 1.0f, 1.0f, 1.0f, 0.25f, 0.25f, 0.25f, 0.25f, 0.125f, 0.125f, 0.125f, 0.125f, 0.09375f, 0.09375f, 0.09375f, 0.09375f, 1.0f, 1.0f, 1.0f, 1.0f, 0.25f, 0.25f, 0.25f, 0.25f, 0.125f, 0.125f, 0.125f, 0.125f, 0.09375f, 0.09375f, 0.09375f, 0.09375f, 1.0f, 1.0f, 1.0f, 1.0f, 0.25f, 0.25f, 0.25f, 0.25f, 0.125f, 0.125f, 0.125f, 0.125f, 0.09375f, 0.09375f, 0.09375f, 0.09375f, 1.0f, 1.0f, 1.0f, 1.0f, 0.25f, 0.25f, 0.25f, 0.25f, }; float out_data[4 * 16]; EffectChainTester tester(nullptr, 4, 16, FORMAT_GRAYSCALE); ImageFormat format; format.color_space = COLORSPACE_sRGB; format.gamma_curve = GAMMA_LINEAR; NonMipmapCapableInput *input = new NonMipmapCapableInput(format, FORMAT_GRAYSCALE, GL_FLOAT, 4, 16); input->set_pixel_data(data); tester.get_chain()->add_input(input); tester.get_chain()->add_effect(new MipmapNeedingEffect()); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(expected_data, out_data, 4, 16); } TEST(EffectChainTest, ResizeDownByFourThenUpByFour) { float data[] = { // In 4x4 blocks. 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.5f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, 1.0f, 0.0f, 0.0f, 1.0f, 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, }; float expected_data[] = { // Repeated four times horizontaly, interpolated vertically. 0.1250f, 0.1250f, 0.1250f, 0.1250f, 0.1250f, 0.1250f, 0.1250f, 0.1250f, 0.1211f, 0.1211f, 0.1211f, 0.1211f, 0.1133f, 0.1133f, 0.1133f, 0.1133f, 0.1055f, 0.1055f, 0.1055f, 0.1055f, 0.0977f, 0.0977f, 0.0977f, 0.0977f, 0.2070f, 0.2070f, 0.2070f, 0.2070f, 0.4336f, 0.4336f, 0.4336f, 0.4336f, 0.6602f, 0.6602f, 0.6602f, 0.6602f, 0.8867f, 0.8867f, 0.8867f, 0.8867f, 0.9062f, 0.9062f, 0.9062f, 0.9062f, 0.7188f, 0.7188f, 0.7188f, 0.7188f, 0.5312f, 0.5312f, 0.5312f, 0.5312f, 0.3438f, 0.3438f, 0.3438f, 0.3438f, 0.2500f, 0.2500f, 0.2500f, 0.2500f, 0.2500f, 0.2500f, 0.2500f, 0.2500f, }; float out_data[4 * 16]; ResizeEffect *downscale = new ResizeEffect(); ASSERT_TRUE(downscale->set_int("width", 1)); ASSERT_TRUE(downscale->set_int("height", 4)); ResizeEffect *upscale = new ResizeEffect(); ASSERT_TRUE(upscale->set_int("width", 4)); ASSERT_TRUE(upscale->set_int("height", 16)); EffectChainTester tester(data, 4, 16, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR); tester.get_chain()->add_effect(downscale); tester.get_chain()->add_effect(upscale); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(expected_data, out_data, 4, 16); } // An effect to verify that you can turn off mipmaps; it downscales by two, // which gives blur with mipmaps and aliasing (picks out every other pixel) // without. class Downscale2xEffect : public Effect { public: explicit Downscale2xEffect(MipmapRequirements mipmap_requirements) : mipmap_requirements(mipmap_requirements) { register_vec2("offset", offset); } MipmapRequirements needs_mipmaps() const override { return mipmap_requirements; } string effect_type_id() const override { return "Downscale2xEffect"; } string output_fragment_shader() override { return read_file("downscale2x.frag"); } private: const MipmapRequirements mipmap_requirements; float offset[2] { 0.0f, 0.0f }; }; TEST(EffectChainTest, MipmapChainGetsSplit) { float data[] = { 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f, 0.0f, }; // The intermediate result after the first step looks like this, // assuming there are no mipmaps (the zeros are due to border behavior): // // 0 0 0 0 // 0 0 0 0 // 1 1 0 0 // 1 1 0 0 // // so another 2x downscale towards the bottom left will give // // 0 0 // 1 0 // // with yet more zeros coming in on the top and the right from the border. float expected_data[] = { 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, 0.0f, }; float out_data[4 * 4]; float offset[] = { -0.5f / 4.0f, -0.5f / 4.0f }; RewritingEffect *pick_out_bottom_left = new RewritingEffect(Effect::CANNOT_ACCEPT_MIPMAPS); ASSERT_TRUE(pick_out_bottom_left->effect->set_vec2("offset", offset)); RewritingEffect *downscale2x = new RewritingEffect(Effect::NEEDS_MIPMAPS); EffectChainTester tester(data, 4, 4, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR); tester.get_chain()->add_effect(pick_out_bottom_left); tester.get_chain()->add_effect(downscale2x); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); EXPECT_NE(pick_out_bottom_left->replaced_node->containing_phase, downscale2x->replaced_node->containing_phase); expect_equal(expected_data, out_data, 4, 4); } // An effect that adds its two inputs together. Used below. class AddEffect : public Effect { public: AddEffect() {} string effect_type_id() const override { return "AddEffect"; } string output_fragment_shader() override { return read_file("add.frag"); } unsigned num_inputs() const override { return 2; } AlphaHandling alpha_handling() const override { return DONT_CARE_ALPHA_TYPE; } }; // Constructs the graph // // FlatInput | // / \ | // MultiplyEffect MultiplyEffect | // \ / | // AddEffect | // // and verifies that it gives the correct output. TEST(EffectChainTest, DiamondGraph) { float data[] = { 1.0f, 1.0f, 1.0f, 0.0f, }; float expected_data[] = { 2.5f, 2.5f, 2.5f, 0.0f, }; float out_data[2 * 2]; const float half[] = { 0.5f, 0.5f, 0.5f, 0.5f }; const float two[] = { 2.0f, 2.0f, 2.0f, 0.5f }; MultiplyEffect *mul_half = new MultiplyEffect(); ASSERT_TRUE(mul_half->set_vec4("factor", half)); MultiplyEffect *mul_two = new MultiplyEffect(); ASSERT_TRUE(mul_two->set_vec4("factor", two)); EffectChainTester tester(nullptr, 2, 2); ImageFormat format; format.color_space = COLORSPACE_sRGB; format.gamma_curve = GAMMA_LINEAR; FlatInput *input = new FlatInput(format, FORMAT_GRAYSCALE, GL_FLOAT, 2, 2); input->set_pixel_data(data); tester.get_chain()->add_input(input); tester.get_chain()->add_effect(mul_half, input); tester.get_chain()->add_effect(mul_two, input); tester.get_chain()->add_effect(new AddEffect(), mul_half, mul_two); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(expected_data, out_data, 2, 2); } // Constructs the graph // // FlatInput | // / \ | // MultiplyEffect MultiplyEffect | // \ | | // \ BouncingIdentityEffect | // \ / | // AddEffect | // // and verifies that it gives the correct output. TEST(EffectChainTest, DiamondGraphWithOneInputUsedInTwoPhases) { float data[] = { 1.0f, 1.0f, 1.0f, 0.0f, }; float expected_data[] = { 2.5f, 2.5f, 2.5f, 0.0f, }; float out_data[2 * 2]; const float half[] = { 0.5f, 0.5f, 0.5f, 0.5f }; const float two[] = { 2.0f, 2.0f, 2.0f, 0.5f }; MultiplyEffect *mul_half = new MultiplyEffect(); ASSERT_TRUE(mul_half->set_vec4("factor", half)); MultiplyEffect *mul_two = new MultiplyEffect(); ASSERT_TRUE(mul_two->set_vec4("factor", two)); BouncingIdentityEffect *bounce = new BouncingIdentityEffect(); EffectChainTester tester(nullptr, 2, 2); ImageFormat format; format.color_space = COLORSPACE_sRGB; format.gamma_curve = GAMMA_LINEAR; FlatInput *input = new FlatInput(format, FORMAT_GRAYSCALE, GL_FLOAT, 2, 2); input->set_pixel_data(data); tester.get_chain()->add_input(input); tester.get_chain()->add_effect(mul_half, input); tester.get_chain()->add_effect(mul_two, input); tester.get_chain()->add_effect(bounce, mul_two); tester.get_chain()->add_effect(new AddEffect(), mul_half, bounce); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(expected_data, out_data, 2, 2); } // Constructs the graph // // FlatInput | // / \ | // Downscale2xEffect (mipmaps) Downscale2xEffect (no mipmaps) | // | | | // Downscale2xEffect (mipmaps) Downscale2xEffect (no mipmaps) | // \ / | // AddEffect | // // and verifies that it gives the correct output. Due to the conflicting // mipmap demands, EffectChain needs to make two phases; exactly where it's // split is less important, though (this is a fairly obscure situation that // is unlikely to happen in practice). TEST(EffectChainTest, DiamondGraphWithConflictingMipmaps) { float data[] = { 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f, 0.0f, }; // Same situation as MipmapChainGetsSplit. The output of the two // downscales with no mipmaps looks like this: // // 0 0 0 0 // 0 0 0 0 // 0 0 0 0 // 1 0 0 0 // // and the one with mipmaps is 0.25 everywhere. Due to postmultiplied // alpha, we get the average even though we are using AddEffect. float expected_data[] = { 0.125f, 0.125f, 0.125f, 0.125f, 0.125f, 0.125f, 0.125f, 0.125f, 0.125f, 0.125f, 0.125f, 0.125f, 0.625f, 0.125f, 0.125f, 0.125f, }; float out_data[4 * 4]; float offset[] = { -0.5f / 4.0f, -0.5f / 4.0f }; Downscale2xEffect *nomipmap1 = new Downscale2xEffect(Effect::CANNOT_ACCEPT_MIPMAPS); Downscale2xEffect *nomipmap2 = new Downscale2xEffect(Effect::CANNOT_ACCEPT_MIPMAPS); ASSERT_TRUE(nomipmap1->set_vec2("offset", offset)); ASSERT_TRUE(nomipmap2->set_vec2("offset", offset)); Downscale2xEffect *mipmap1 = new Downscale2xEffect(Effect::NEEDS_MIPMAPS); Downscale2xEffect *mipmap2 = new Downscale2xEffect(Effect::NEEDS_MIPMAPS); EffectChainTester tester(nullptr, 4, 4); ImageFormat format; format.color_space = COLORSPACE_sRGB; format.gamma_curve = GAMMA_LINEAR; FlatInput *input = new FlatInput(format, FORMAT_GRAYSCALE, GL_FLOAT, 4, 4); input->set_pixel_data(data); tester.get_chain()->add_input(input); tester.get_chain()->add_effect(nomipmap1, input); tester.get_chain()->add_effect(nomipmap2, nomipmap1); tester.get_chain()->add_effect(mipmap1, input); tester.get_chain()->add_effect(mipmap2, mipmap1); tester.get_chain()->add_effect(new AddEffect(), nomipmap2, mipmap2); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(expected_data, out_data, 4, 4); } TEST(EffectChainTest, EffectUsedTwiceOnlyGetsOneGammaConversion) { float data[] = { 0.735f, 0.0f, 0.735f, 0.0f, }; float expected_data[] = { 0.0f, 0.5f, // 0.5 and not 1.0, since AddEffect doesn't clamp alpha properly. 0.0f, 0.5f, }; float out_data[2 * 2]; EffectChainTester tester(nullptr, 2, 2); tester.add_input(data, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_sRGB); // MirrorEffect does not get linear light, so the conversions will be // inserted after it, not before. RewritingEffect *effect = new RewritingEffect(); tester.get_chain()->add_effect(effect); Effect *identity1 = tester.get_chain()->add_effect(new IdentityEffect(), effect); Effect *identity2 = tester.get_chain()->add_effect(new IdentityEffect(), effect); tester.get_chain()->add_effect(new AddEffect(), identity1, identity2); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(expected_data, out_data, 2, 2); Node *node = effect->replaced_node; ASSERT_EQ(1u, node->incoming_links.size()); ASSERT_EQ(1u, node->outgoing_links.size()); EXPECT_EQ("FlatInput", node->incoming_links[0]->effect->effect_type_id()); EXPECT_EQ("GammaExpansionEffect", node->outgoing_links[0]->effect->effect_type_id()); } TEST(EffectChainTest, EffectUsedTwiceOnlyGetsOneColorspaceConversion) { float data[] = { 0.5f, 0.0f, 0.5f, 0.0f, }; float expected_data[] = { 0.0f, 0.5f, // 0.5 and not 1.0, since AddEffect doesn't clamp alpha properly. 0.0f, 0.5f, }; float out_data[2 * 2]; EffectChainTester tester(nullptr, 2, 2); tester.add_input(data, FORMAT_GRAYSCALE, COLORSPACE_REC_601_625, GAMMA_LINEAR); // MirrorEffect does not get linear light, so the conversions will be // inserted after it, not before. RewritingEffect *effect = new RewritingEffect(); tester.get_chain()->add_effect(effect); Effect *identity1 = tester.get_chain()->add_effect(new IdentityEffect(), effect); Effect *identity2 = tester.get_chain()->add_effect(new IdentityEffect(), effect); tester.get_chain()->add_effect(new AddEffect(), identity1, identity2); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(expected_data, out_data, 2, 2); Node *node = effect->replaced_node; ASSERT_EQ(1u, node->incoming_links.size()); ASSERT_EQ(1u, node->outgoing_links.size()); EXPECT_EQ("FlatInput", node->incoming_links[0]->effect->effect_type_id()); EXPECT_EQ("ColorspaceConversionEffect", node->outgoing_links[0]->effect->effect_type_id()); } // An effect that does nothing, but requests texture bounce and stores // its input size. class SizeStoringEffect : public BouncingIdentityEffect { public: SizeStoringEffect() : input_width(-1), input_height(-1) {} void inform_input_size(unsigned input_num, unsigned width, unsigned height) override { assert(input_num == 0); input_width = width; input_height = height; } string effect_type_id() const override { return "SizeStoringEffect"; } int input_width, input_height; }; TEST(EffectChainTest, SameInputsGiveSameOutputs) { float data[2 * 2] = { 0.0f, 0.0f, 0.0f, 0.0f, }; float out_data[4 * 3]; EffectChainTester tester(nullptr, 4, 3); // Note non-square aspect. ImageFormat format; format.color_space = COLORSPACE_sRGB; format.gamma_curve = GAMMA_LINEAR; FlatInput *input1 = new FlatInput(format, FORMAT_GRAYSCALE, GL_FLOAT, 2, 2); input1->set_pixel_data(data); FlatInput *input2 = new FlatInput(format, FORMAT_GRAYSCALE, GL_FLOAT, 2, 2); input2->set_pixel_data(data); SizeStoringEffect *input_store = new SizeStoringEffect(); tester.get_chain()->add_input(input1); tester.get_chain()->add_input(input2); tester.get_chain()->add_effect(new AddEffect(), input1, input2); tester.get_chain()->add_effect(input_store); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); EXPECT_EQ(2, input_store->input_width); EXPECT_EQ(2, input_store->input_height); } TEST(EffectChainTest, AspectRatioConversion) { float data1[4 * 3] = { 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, }; float data2[7 * 7] = { 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, }; // The right conversion here is that the 7x7 image decides the size, // since it is the biggest, so everything is scaled up to 9x7 // (keep the height, round the width 9.333 to 9). float out_data[9 * 7]; EffectChainTester tester(nullptr, 4, 3); ImageFormat format; format.color_space = COLORSPACE_sRGB; format.gamma_curve = GAMMA_LINEAR; FlatInput *input1 = new FlatInput(format, FORMAT_GRAYSCALE, GL_FLOAT, 4, 3); input1->set_pixel_data(data1); FlatInput *input2 = new FlatInput(format, FORMAT_GRAYSCALE, GL_FLOAT, 7, 7); input2->set_pixel_data(data2); SizeStoringEffect *input_store = new SizeStoringEffect(); tester.get_chain()->add_input(input1); tester.get_chain()->add_input(input2); tester.get_chain()->add_effect(new AddEffect(), input1, input2); tester.get_chain()->add_effect(input_store); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); EXPECT_EQ(9, input_store->input_width); EXPECT_EQ(7, input_store->input_height); } // Tests that putting a BlueInput (constant color) into its own pass, // which creates a phase that doesn't need texture coordinates, // doesn't mess up a second phase that actually does. TEST(EffectChainTest, FirstPhaseWithNoTextureCoordinates) { const int size = 2; float data[] = { 1.0f, 0.0f, }; float expected_data[] = { 1.0f, 1.0f, 2.0f, 2.0f, 0.0f, 0.0f, 1.0f, 2.0f, }; float out_data[size * 4]; // First say that we have sRGB, linear input. ImageFormat format; format.color_space = COLORSPACE_sRGB; format.gamma_curve = GAMMA_LINEAR; FlatInput *input = new FlatInput(format, FORMAT_GRAYSCALE, GL_FLOAT, 1, size); input->set_pixel_data(data); EffectChainTester tester(nullptr, 1, size); tester.get_chain()->add_input(new BlueInput()); Effect *phase1_end = tester.get_chain()->add_effect(new BouncingIdentityEffect()); tester.get_chain()->add_input(input); tester.get_chain()->add_effect(new AddEffect(), phase1_end, input); tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR, OUTPUT_ALPHA_FORMAT_POSTMULTIPLIED); expect_equal(expected_data, out_data, 4, size); } // An effect that does nothing except changing its output sizes. class VirtualResizeEffect : public Effect { public: VirtualResizeEffect(int width, int height, int virtual_width, int virtual_height) : width(width), height(height), virtual_width(virtual_width), virtual_height(virtual_height) {} string effect_type_id() const override { return "VirtualResizeEffect"; } string output_fragment_shader() override { return read_file("identity.frag"); } bool changes_output_size() const override { return true; } void get_output_size(unsigned *width, unsigned *height, unsigned *virtual_width, unsigned *virtual_height) const override { *width = this->width; *height = this->height; *virtual_width = this->virtual_width; *virtual_height = this->virtual_height; } private: int width, height, virtual_width, virtual_height; }; TEST(EffectChainTest, VirtualSizeIsSentOnToInputs) { const int size = 2, bigger_size = 3; float data[size * size] = { 1.0f, 0.0f, 0.0f, 1.0f, }; float out_data[size * size]; EffectChainTester tester(data, size, size, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR); SizeStoringEffect *size_store = new SizeStoringEffect(); tester.get_chain()->add_effect(new VirtualResizeEffect(size, size, bigger_size, bigger_size)); tester.get_chain()->add_effect(size_store); tester.get_chain()->add_effect(new VirtualResizeEffect(size, size, size, size)); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); EXPECT_EQ(bigger_size, size_store->input_width); EXPECT_EQ(bigger_size, size_store->input_height); // If the resize is implemented as non-virtual, we'll fail here, // since bilinear scaling from 2x2 → 3x3 → 2x2 is not very exact. expect_equal(data, out_data, size, size); } // An effect that is like VirtualResizeEffect, but always has virtual and real // sizes the same (and promises this). class NonVirtualResizeEffect : public VirtualResizeEffect { public: NonVirtualResizeEffect(int width, int height) : VirtualResizeEffect(width, height, width, height) {} string effect_type_id() const override { return "NonVirtualResizeEffect"; } bool sets_virtual_output_size() const override { return false; } }; // An effect that promises one-to-one sampling (unlike IdentityEffect). class OneToOneEffect : public Effect { public: OneToOneEffect() {} string effect_type_id() const override { return "OneToOneEffect"; } string output_fragment_shader() override { return read_file("identity.frag"); } bool strong_one_to_one_sampling() const override { return true; } }; TEST_P(WithAndWithoutComputeShaderTest, NoBounceWithOneToOneSampling) { const int size = 2; float data[size * size] = { 1.0f, 0.0f, 0.0f, 1.0f, }; float out_data[size * size]; EffectChainTester tester(data, size, size, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR); RewritingEffect *effect1 = new RewritingEffect(); RewritingEffect *effect2 = new RewritingEffect(); if (GetParam() == "compute") { if (!movit_compute_shaders_supported) { fprintf(stderr, "Skipping test; no support for compile shaders.\n"); return; } tester.get_chain()->add_effect(new IdentityComputeEffect()); } else { tester.get_chain()->add_effect(new NonVirtualResizeEffect(size, size)); } tester.get_chain()->add_effect(effect1); tester.get_chain()->add_effect(effect2); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(data, out_data, size, size); // The first OneToOneEffect should be in the same phase as its input. ASSERT_EQ(1u, effect1->replaced_node->incoming_links.size()); EXPECT_EQ(effect1->replaced_node->incoming_links[0]->containing_phase, effect1->replaced_node->containing_phase); // The second OneToOneEffect, too. EXPECT_EQ(effect1->replaced_node->containing_phase, effect2->replaced_node->containing_phase); } TEST(EffectChainTest, BounceWhenOneToOneIsBroken) { const int size = 2; float data[size * size] = { 1.0f, 0.0f, 0.0f, 1.0f, }; float out_data[size * size]; EffectChainTester tester(data, size, size, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR); RewritingEffect *effect1 = new RewritingEffect(); RewritingEffect *effect2 = new RewritingEffect(); RewritingEffect *effect3 = new RewritingEffect(); RewritingEffect *effect4 = new RewritingEffect(); tester.get_chain()->add_effect(new NonVirtualResizeEffect(size, size)); tester.get_chain()->add_effect(effect1); tester.get_chain()->add_effect(effect2); tester.get_chain()->add_effect(effect3); tester.get_chain()->add_effect(effect4); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(data, out_data, size, size); // The NonVirtualResizeEffect should be in a different phase from // the IdentityEffect (since the latter is not one-to-one), // ie., the chain should be broken somewhere between them, but exactly // where doesn't matter. ASSERT_EQ(1u, effect1->replaced_node->incoming_links.size()); EXPECT_NE(effect1->replaced_node->incoming_links[0]->containing_phase, effect3->replaced_node->containing_phase); // The last OneToOneEffect should also be in the same phase as the // IdentityEffect (the phase was already broken). EXPECT_EQ(effect3->replaced_node->containing_phase, effect4->replaced_node->containing_phase); } // Does not use EffectChainTest, so that it can construct an EffectChain without // a shared ResourcePool (which is also properly destroyed afterwards). // Also turns on debugging to test that code path. TEST(EffectChainTest, IdentityWithOwnPool) { const int width = 3, height = 2; float data[] = { 0.0f, 0.25f, 0.3f, 0.75f, 1.0f, 1.0f, }; const float expected_data[] = { 0.75f, 1.0f, 1.0f, 0.0f, 0.25f, 0.3f, }; float out_data[6], temp[6 * 4]; EffectChain chain(width, height); MovitDebugLevel old_movit_debug_level = movit_debug_level; movit_debug_level = MOVIT_DEBUG_ON; ImageFormat format; format.color_space = COLORSPACE_sRGB; format.gamma_curve = GAMMA_LINEAR; FlatInput *input = new FlatInput(format, FORMAT_GRAYSCALE, GL_FLOAT, width, height); input->set_pixel_data(data); chain.add_input(input); chain.add_output(format, OUTPUT_ALPHA_FORMAT_POSTMULTIPLIED); GLuint texnum, fbo; glGenTextures(1, &texnum); check_error(); glBindTexture(GL_TEXTURE_2D, texnum); check_error(); glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA32F, width, height, 0, GL_RGBA, GL_FLOAT, nullptr); check_error(); glGenFramebuffers(1, &fbo); check_error(); glBindFramebuffer(GL_FRAMEBUFFER, fbo); check_error(); glFramebufferTexture2D( GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, texnum, 0); check_error(); glBindFramebuffer(GL_FRAMEBUFFER, 0); check_error(); chain.finalize(); chain.render_to_fbo(fbo, width, height); glBindFramebuffer(GL_FRAMEBUFFER, fbo); check_error(); glReadPixels(0, 0, width, height, GL_RGBA, GL_FLOAT, temp); check_error(); for (unsigned i = 0; i < 6; ++i) { out_data[i] = temp[i * 4]; } expect_equal(expected_data, out_data, width, height); // Reset the debug status again. movit_debug_level = old_movit_debug_level; } // A dummy effect whose only purpose is to test sprintf decimal behavior. class PrintfingBlueEffect : public Effect { public: PrintfingBlueEffect() {} string effect_type_id() const override { return "PrintfingBlueEffect"; } string output_fragment_shader() override { stringstream ss; ss.imbue(locale("C")); ss.precision(8); ss << "vec4 FUNCNAME(vec2 tc) { return vec4(" << 0.0f << ", " << 0.0f << ", " << 0.5f << ", " << 1.0f << "); }\n"; return ss.str(); } }; TEST(EffectChainTest, StringStreamLocalesWork) { // An example of a locale with comma instead of period as decimal separator. // Obviously, if you run on a machine without this locale available, // the test will always succeed. Note that the OpenGL driver might call // setlocale() behind-the-scenes, and that might corrupt the returned // pointer, so we need to take our own copy of it here. char *saved_locale = setlocale(LC_ALL, "nb_NO.UTF_8"); if (saved_locale == nullptr) { // The locale wasn't available. return; } saved_locale = strdup(saved_locale); float data[] = { 0.0f, 0.0f, 0.0f, 0.0f, }; float expected_data[] = { 0.0f, 0.0f, 0.5f, 1.0f, }; float out_data[4]; EffectChainTester tester(data, 1, 1, FORMAT_RGBA_PREMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_LINEAR); tester.get_chain()->add_effect(new PrintfingBlueEffect()); tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(expected_data, out_data, 4, 1); setlocale(LC_ALL, saved_locale); free(saved_locale); } TEST(EffectChainTest, sRGBIntermediate) { float data[] = { 0.0f, 0.5f, 0.0f, 1.0f, }; float out_data[4]; EffectChainTester tester(data, 1, 1, FORMAT_RGBA_PREMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_LINEAR); tester.get_chain()->set_intermediate_format(GL_SRGB8); tester.get_chain()->add_effect(new IdentityEffect()); tester.get_chain()->add_effect(new BouncingIdentityEffect()); tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR); EXPECT_GE(fabs(out_data[1] - data[1]), 1e-3) << "Expected sRGB not to be able to represent 0.5 exactly (got " << out_data[1] << ")"; EXPECT_LT(fabs(out_data[1] - data[1]), 0.1f) << "Expected sRGB to be able to represent 0.5 approximately (got " << out_data[1] << ")"; // This state should have been preserved. EXPECT_FALSE(glIsEnabled(GL_FRAMEBUFFER_SRGB)); } // An effect that is like IdentityEffect, but also does not require linear light. class PassThroughEffect : public IdentityEffect { public: PassThroughEffect() {} string effect_type_id() const override { return "PassThroughEffect"; } bool needs_linear_light() const override { return false; } AlphaHandling alpha_handling() const override { return DONT_CARE_ALPHA_TYPE; } }; // Same, just also bouncing. class BouncingPassThroughEffect : public BouncingIdentityEffect { public: BouncingPassThroughEffect() {} string effect_type_id() const override { return "BouncingPassThroughEffect"; } bool needs_linear_light() const override { return false; } bool needs_texture_bounce() const override { return true; } AlphaHandling alpha_handling() const override { return DONT_CARE_ALPHA_TYPE; } }; TEST(EffectChainTest, Linear10bitIntermediateAccuracy) { // Note that we do the comparison in sRGB space, which is what we // typically would want; however, we do the sRGB conversion ourself // to avoid compounding errors from shader conversions into the // analysis. const int size = 4096; // 12-bit. float linear_data[size], data[size], out_data[size]; for (int i = 0; i < size; ++i) { linear_data[i] = i / double(size - 1); data[i] = srgb_to_linear(linear_data[i]); } EffectChainTester tester(data, size, 1, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR, GL_RGBA32F); tester.get_chain()->set_intermediate_format(GL_RGB10_A2); tester.get_chain()->add_effect(new IdentityEffect()); tester.get_chain()->add_effect(new BouncingIdentityEffect()); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); for (int i = 0; i < size; ++i) { out_data[i] = linear_to_srgb(out_data[i]); } // This maximum error is pretty bad; about 6.5 levels of a 10-bit sRGB // framebuffer. (Slightly more on NVIDIA cards.) expect_equal(linear_data, out_data, size, 1, 7.5e-3, 2e-5); } TEST_P(WithAndWithoutComputeShaderTest, SquareRoot10bitIntermediateAccuracy) { // Note that we do the comparison in sRGB space, which is what we // typically would want; however, we do the sRGB conversion ourself // to avoid compounding errors from shader conversions into the // analysis. const int size = 4096; // 12-bit. float linear_data[size], data[size], out_data[size]; for (int i = 0; i < size; ++i) { linear_data[i] = i / double(size - 1); data[i] = srgb_to_linear(linear_data[i]); } EffectChainTester tester(data, size, 1, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR, GL_RGBA32F); tester.get_chain()->set_intermediate_format(GL_RGB10_A2, SQUARE_ROOT_FRAMEBUFFER_TRANSFORMATION); if (GetParam() == "compute") { if (!movit_compute_shaders_supported) { fprintf(stderr, "Skipping test; no support for compile shaders.\n"); return; } tester.get_chain()->add_effect(new IdentityComputeEffect()); } else { tester.get_chain()->add_effect(new IdentityEffect()); } tester.get_chain()->add_effect(new BouncingIdentityEffect()); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); for (int i = 0; i < size; ++i) { out_data[i] = linear_to_srgb(out_data[i]); } // This maximum error is much better; about 0.7 levels of a 10-bit sRGB // framebuffer (ideal would be 0.5). That is an order of magnitude better // than in the linear test above. The RMS error is much better, too. expect_equal(linear_data, out_data, size, 1, 7.5e-4, 5e-6); } TEST(EffectChainTest, SquareRootIntermediateIsTurnedOffForNonLinearData) { const int size = 256; // 8-bit. float data[size], out_data[size]; for (int i = 0; i < size; ++i) { data[i] = i / double(size - 1); } EffectChainTester tester(data, size, 1, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_REC_601, GL_RGBA32F); tester.get_chain()->set_intermediate_format(GL_RGB8, SQUARE_ROOT_FRAMEBUFFER_TRANSFORMATION); tester.get_chain()->add_effect(new PassThroughEffect()); tester.get_chain()->add_effect(new BouncingPassThroughEffect()); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_REC_601); // The data should be passed through nearly exactly, since there is no effect // on the path that requires linear light. (Actually, it _is_ exact modulo // fp32 errors, but the error bounds is strictly _less than_, not zero.) expect_equal(data, out_data, size, 1, 1e-6, 1e-6); } // An effect that stores which program number was last run under. class RecordingIdentityEffect : public Effect { public: RecordingIdentityEffect() {} string effect_type_id() const override { return "RecordingIdentityEffect"; } string output_fragment_shader() override { return read_file("identity.frag"); } GLuint last_glsl_program_num; void set_gl_state(GLuint glsl_program_num, const std::string& prefix, unsigned *sampler_num) override { last_glsl_program_num = glsl_program_num; } }; TEST(EffectChainTest, ProgramsAreClonedForMultipleThreads) { float data[] = { 0.0f, 0.25f, 0.3f, 0.75f, 1.0f, 1.0f, }; float out_data[6]; EffectChainTester tester(data, 3, 2, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR); RecordingIdentityEffect *effect = new RecordingIdentityEffect(); tester.get_chain()->add_effect(effect); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(data, out_data, 3, 2); ASSERT_NE(0u, effect->last_glsl_program_num); // Now pretend some other effect is using this program number; // ResourcePool will then need to clone it. ResourcePool *resource_pool = tester.get_chain()->get_resource_pool(); GLuint master_program_num = resource_pool->use_glsl_program(effect->last_glsl_program_num); EXPECT_EQ(effect->last_glsl_program_num, master_program_num); // Re-run should still give the correct data, but it should have run // with a different program. tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(data, out_data, 3, 2); EXPECT_NE(effect->last_glsl_program_num, master_program_num); // Release the program, and check one final time. resource_pool->unuse_glsl_program(master_program_num); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(data, out_data, 3, 2); } TEST(ComputeShaderTest, Identity) { float data[] = { 0.0f, 0.25f, 0.3f, 0.75f, 1.0f, 1.0f, }; float out_data[6]; EffectChainTester tester(data, 3, 2, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR); if (!movit_compute_shaders_supported) { fprintf(stderr, "Skipping test; no support for compile shaders.\n"); return; } tester.get_chain()->add_effect(new IdentityComputeEffect()); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(data, out_data, 3, 2); } // Like IdentityComputeEffect, but due to the alpha handling, this will be // the very last effect in the chain, which means we can't output it directly // to the screen. class IdentityAlphaComputeEffect : public IdentityComputeEffect { AlphaHandling alpha_handling() const { return DONT_CARE_ALPHA_TYPE; } }; TEST(ComputeShaderTest, LastEffectInChain) { float data[] = { 0.0f, 0.25f, 0.3f, 0.75f, 1.0f, 1.0f, }; float out_data[6]; EffectChainTester tester(data, 3, 2, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR); if (!movit_compute_shaders_supported) { fprintf(stderr, "Skipping test; no support for compile shaders.\n"); return; } tester.get_chain()->add_effect(new IdentityAlphaComputeEffect()); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(data, out_data, 3, 2); } TEST(ComputeShaderTest, Render8BitTo8Bit) { uint8_t data[] = { 14, 200, 80, 90, 100, 110, }; uint8_t out_data[6]; EffectChainTester tester(nullptr, 3, 2, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR, GL_RGBA8); if (!movit_compute_shaders_supported) { fprintf(stderr, "Skipping test; no support for compile shaders.\n"); return; } tester.add_input(data, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR, 3, 2); tester.get_chain()->add_effect(new IdentityAlphaComputeEffect()); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(data, out_data, 3, 2); } // A compute shader to mirror the inputs, in 2x2 blocks. class MirrorComputeEffect : public Effect { public: MirrorComputeEffect() {} string effect_type_id() const override { return "MirrorComputeEffect"; } bool is_compute_shader() const override { return true; } string output_fragment_shader() override { return read_file("mirror.comp"); } void get_compute_dimensions(unsigned output_width, unsigned output_height, unsigned *x, unsigned *y, unsigned *z) const override { *x = output_width / 2; *y = output_height / 2; *z = 1; } }; TEST(ComputeShaderTest, ComputeThenOneToOne) { float data[] = { 0.0f, 0.25f, 0.3f, 0.8f, 0.75f, 1.0f, 1.0f, 0.2f, }; float expected_data[] = { 0.8f, 0.3f, 0.25f, 0.0f, 0.2f, 1.0f, 1.0f, 0.75f, }; float out_data[8]; EffectChainTester tester(data, 4, 2, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR); if (!movit_compute_shaders_supported) { fprintf(stderr, "Skipping test; no support for compile shaders.\n"); return; } tester.get_chain()->add_effect(new MirrorComputeEffect()); tester.get_chain()->add_effect(new OneToOneEffect()); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(expected_data, out_data, 4, 2); } // A compute shader that also resizes its input, taking the upper-left pixel // of every 2x2 group. (The shader is hard-coded to 4x2 input for simplicity.) class Downscale2xComputeEffect : public Effect { public: Downscale2xComputeEffect() {} string effect_type_id() const override { return "Downscale2xComputeEffect"; } bool is_compute_shader() const override { return true; } string output_fragment_shader() override { return read_file("downscale2x.comp"); } bool changes_output_size() const override { return true; } void inform_input_size(unsigned input_num, unsigned width, unsigned height) override { this->width = width; this->height = height; } void get_output_size(unsigned *width, unsigned *height, unsigned *virtual_width, unsigned *virtual_height) const override { *width = *virtual_width = this->width / 2; *height = *virtual_height = this->height / 2; } private: unsigned width, height; }; // Even if the compute shader is not the last effect, it's the one that should decide // the output size of the phase. TEST(ComputeShaderTest, ResizingComputeThenOneToOne) { float data[] = { 0.0f, 0.25f, 0.3f, 0.8f, 0.75f, 1.0f, 1.0f, 0.2f, }; float expected_data[] = { 0.0f, 0.3f, }; float out_data[2]; EffectChainTester tester(nullptr, 2, 1); if (!movit_compute_shaders_supported) { fprintf(stderr, "Skipping test; no support for compile shaders.\n"); return; } tester.add_input(data, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR, 4, 2); RewritingEffect *downscale_effect = new RewritingEffect(); tester.get_chain()->add_effect(downscale_effect); tester.get_chain()->add_effect(new OneToOneEffect()); tester.get_chain()->add_effect(new BouncingIdentityEffect()); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(expected_data, out_data, 2, 1); Phase *phase = downscale_effect->replaced_node->containing_phase; EXPECT_EQ(2u, phase->output_width); EXPECT_EQ(1u, phase->output_height); } class StrongOneToOneAddEffect : public AddEffect { public: StrongOneToOneAddEffect() {} string effect_type_id() const override { return "StrongOneToOneAddEffect"; } bool strong_one_to_one_sampling() const override { return true; } }; TEST(ComputeShaderTest, NoTwoComputeInSamePhase) { float data[] = { 0.0f, 0.25f, 0.3f, 0.8f, 0.75f, 1.0f, 1.0f, 0.2f, }; float expected_data[] = { 0.0f, 0.3f, }; float out_data[2]; ImageFormat format; format.color_space = COLORSPACE_sRGB; format.gamma_curve = GAMMA_LINEAR; EffectChainTester tester(nullptr, 2, 1); if (!movit_compute_shaders_supported) { fprintf(stderr, "Skipping test; no support for compile shaders.\n"); return; } FlatInput *input1 = new FlatInput(format, FORMAT_GRAYSCALE, GL_FLOAT, 4, 2); input1->set_pixel_data(data); tester.get_chain()->add_input(input1); Effect *downscale1 = tester.get_chain()->add_effect(new Downscale2xComputeEffect()); FlatInput *input2 = new FlatInput(format, FORMAT_GRAYSCALE, GL_FLOAT, 4, 2); input2->set_pixel_data(data); tester.get_chain()->add_input(input2); Effect *downscale2 = tester.get_chain()->add_effect(new Downscale2xComputeEffect()); tester.get_chain()->add_effect(new StrongOneToOneAddEffect(), downscale1, downscale2); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(expected_data, out_data, 2, 1); } // Like the previous test, but the adder effect is not directly connected // to the compute shaders (so the status has to be propagated through those effects). TEST(ComputeShaderTest, NoTwoComputeInSamePhaseIndirect) { float data[] = { 0.0f, 0.25f, 0.3f, 0.8f, 0.75f, 1.0f, 1.0f, 0.2f, }; float expected_data[] = { 0.0f, 0.3f, }; float out_data[2]; ImageFormat format; format.color_space = COLORSPACE_sRGB; format.gamma_curve = GAMMA_LINEAR; EffectChainTester tester(nullptr, 2, 1); if (!movit_compute_shaders_supported) { fprintf(stderr, "Skipping test; no support for compile shaders.\n"); return; } FlatInput *input1 = new FlatInput(format, FORMAT_GRAYSCALE, GL_FLOAT, 4, 2); input1->set_pixel_data(data); tester.get_chain()->add_input(input1); tester.get_chain()->add_effect(new Downscale2xComputeEffect()); Effect *identity1 = tester.get_chain()->add_effect(new OneToOneEffect()); FlatInput *input2 = new FlatInput(format, FORMAT_GRAYSCALE, GL_FLOAT, 4, 2); input2->set_pixel_data(data); tester.get_chain()->add_input(input2); tester.get_chain()->add_effect(new Downscale2xComputeEffect()); Effect *identity2 = tester.get_chain()->add_effect(new OneToOneEffect()); tester.get_chain()->add_effect(new StrongOneToOneAddEffect(), identity1, identity2); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(expected_data, out_data, 2, 1); } // Like the previous test, but the adder is not strong one-to-one // (so there are two different compute shader inputs, but none of them // are in the same phase). TEST(ComputeShaderTest, BounceTextureFromTwoComputeShaders) { float data[] = { 0.0f, 0.25f, 0.3f, 0.8f, 0.75f, 1.0f, 1.0f, 0.2f, }; float expected_data[] = { 0.0f, 0.3f, }; float out_data[2]; ImageFormat format; format.color_space = COLORSPACE_sRGB; format.gamma_curve = GAMMA_LINEAR; EffectChainTester tester(nullptr, 2, 1); if (!movit_compute_shaders_supported) { fprintf(stderr, "Skipping test; no support for compile shaders.\n"); return; } FlatInput *input1 = new FlatInput(format, FORMAT_GRAYSCALE, GL_FLOAT, 4, 2); input1->set_pixel_data(data); tester.get_chain()->add_input(input1); tester.get_chain()->add_effect(new Downscale2xComputeEffect()); Effect *identity1 = tester.get_chain()->add_effect(new OneToOneEffect()); FlatInput *input2 = new FlatInput(format, FORMAT_GRAYSCALE, GL_FLOAT, 4, 2); input2->set_pixel_data(data); tester.get_chain()->add_input(input2); tester.get_chain()->add_effect(new Downscale2xComputeEffect()); Effect *identity2 = tester.get_chain()->add_effect(new OneToOneEffect()); tester.get_chain()->add_effect(new AddEffect(), identity1, identity2); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(expected_data, out_data, 2, 1); } // Requires mipmaps, but is otherwise like IdentityEffect. class MipmapNeedingIdentityEffect : public IdentityEffect { public: MipmapNeedingIdentityEffect() {} MipmapRequirements needs_mipmaps() const override { return NEEDS_MIPMAPS; } string effect_type_id() const override { return "MipmapNeedingIdentityEffect"; } bool strong_one_to_one_sampling() const override { return true; } }; TEST(ComputeShaderTest, StrongOneToOneButStillNotChained) { float data[] = { 0.0f, 0.25f, 0.3f, 0.8f, 0.75f, 1.0f, 1.0f, 0.2f, }; float out_data[8]; ImageFormat format; format.color_space = COLORSPACE_sRGB; format.gamma_curve = GAMMA_LINEAR; EffectChainTester tester(nullptr, 4, 2); if (!movit_compute_shaders_supported) { fprintf(stderr, "Skipping test; no support for compile shaders.\n"); return; } FlatInput *input1 = new FlatInput(format, FORMAT_GRAYSCALE, GL_FLOAT, 4, 2); input1->set_pixel_data(data); tester.get_chain()->add_input(input1); Effect *compute_effect = tester.get_chain()->add_effect(new IdentityComputeEffect()); FlatInput *input2 = new FlatInput(format, FORMAT_GRAYSCALE, GL_FLOAT, 4, 2); input2->set_pixel_data(data); tester.get_chain()->add_input(input2); // Not chained with the compute shader because MipmapNeedingIdentityEffect comes in // the same phase, and compute shaders cannot supply mipmaps. tester.get_chain()->add_effect(new StrongOneToOneAddEffect(), compute_effect, input2); tester.get_chain()->add_effect(new MipmapNeedingIdentityEffect()); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(data, out_data, 4, 2); } TEST(EffectChainTest, BounceResetsMipmapNeeds) { float data[] = { 0.0f, 0.25f, 0.75f, 1.0f, }; float out_data[1]; ImageFormat format; format.color_space = COLORSPACE_sRGB; format.gamma_curve = GAMMA_LINEAR; NonMipmapCapableInput *input = new NonMipmapCapableInput(format, FORMAT_GRAYSCALE, GL_FLOAT, 2, 2); input->set_pixel_data(data); RewritingEffect *identity = new RewritingEffect(); RewritingEffect *downscale = new RewritingEffect(); // Needs mipmaps. ASSERT_TRUE(downscale->effect->set_int("width", 1)); ASSERT_TRUE(downscale->effect->set_int("height", 1)); EffectChainTester tester(nullptr, 1, 1); tester.get_chain()->add_input(input); tester.get_chain()->add_effect(identity); tester.get_chain()->add_effect(downscale); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); Node *input_node = identity->replaced_node->incoming_links[0]; // The ResizeEffect needs mipmaps. Normally, that would mean that it should // propagate this tatus down through the IdentityEffect. However, since we // bounce (due to the resize), the dependency breaks there, and we don't // need to bounce again between the input and the IdentityEffect. EXPECT_EQ(input_node->containing_phase, identity->replaced_node->containing_phase); EXPECT_NE(identity->replaced_node->containing_phase, downscale->replaced_node->containing_phase); } } // namespace movit movit-1.7.1/fp16_test.cpp0000644000175000017500000000536014462263704014237 0ustar sessesesse#include "fp16.h" #include #include namespace movit { namespace { fp16_int_t make_fp16(unsigned short x) { fp16_int_t ret; ret.val = x; return ret; } } // namespace TEST(FP16Test, Simple) { EXPECT_EQ(0x0000, fp32_to_fp16(0.0).val); EXPECT_DOUBLE_EQ(0.0, fp16_to_fp32(make_fp16(0x0000))); EXPECT_EQ(0x3c00, fp32_to_fp16(1.0).val); EXPECT_DOUBLE_EQ(1.0, fp16_to_fp32(make_fp16(0x3c00))); EXPECT_EQ(0x3555, fp32_to_fp16(1.0 / 3.0).val); EXPECT_DOUBLE_EQ(0.333251953125, fp16_to_fp32(make_fp16(0x3555))); } TEST(FP16Test, RoundToNearestEven) { ASSERT_DOUBLE_EQ(1.0, fp16_to_fp32(make_fp16(0x3c00))); double x0 = fp16_to_fp32(make_fp16(0x3c00)); double x1 = fp16_to_fp32(make_fp16(0x3c01)); double x2 = fp16_to_fp32(make_fp16(0x3c02)); double x3 = fp16_to_fp32(make_fp16(0x3c03)); double x4 = fp16_to_fp32(make_fp16(0x3c04)); EXPECT_EQ(0x3c00, fp32_to_fp16(0.5 * (x0 + x1)).val); EXPECT_EQ(0x3c02, fp32_to_fp16(0.5 * (x1 + x2)).val); EXPECT_EQ(0x3c02, fp32_to_fp16(0.5 * (x2 + x3)).val); EXPECT_EQ(0x3c04, fp32_to_fp16(0.5 * (x3 + x4)).val); } union fp64 { double f; unsigned long long ll; }; #ifdef __F16C__ union fp32 { float f; unsigned int u; }; #endif TEST(FP16Test, NaN) { // Ignore the sign bit. EXPECT_EQ(0x7e00, fp32_to_fp16(0.0 / 0.0).val & 0x7fff); EXPECT_TRUE(std::isnan(fp16_to_fp32(make_fp16(0xfe00)))); fp32 borderline_inf; borderline_inf.u = 0x7f800000ull; fp32 borderline_nan; borderline_nan.u = 0x7f800001ull; ASSERT_FALSE(std::isfinite(borderline_inf.f)); ASSERT_FALSE(std::isnan(borderline_inf.f)); ASSERT_FALSE(std::isfinite(borderline_nan.f)); ASSERT_TRUE(std::isnan(borderline_nan.f)); double borderline_inf_roundtrip = fp16_to_fp32(fp32_to_fp16(borderline_inf.f)); double borderline_nan_roundtrip = fp16_to_fp32(fp32_to_fp16(borderline_nan.f)); EXPECT_FALSE(std::isfinite(borderline_inf_roundtrip)); EXPECT_FALSE(std::isnan(borderline_inf_roundtrip)); EXPECT_FALSE(std::isfinite(borderline_nan_roundtrip)); EXPECT_TRUE(std::isnan(borderline_nan_roundtrip)); } TEST(FP16Test, Denormals) { const double smallest_fp16_denormal = 5.9604644775390625e-08; EXPECT_EQ(0x0001, fp32_to_fp16(smallest_fp16_denormal).val); EXPECT_EQ(0x0000, fp32_to_fp16(0.5 * smallest_fp16_denormal).val); // Round-to-even. EXPECT_EQ(0x0001, fp32_to_fp16(0.51 * smallest_fp16_denormal).val); EXPECT_EQ(0x0002, fp32_to_fp16(1.5 * smallest_fp16_denormal).val); const double smallest_fp16_non_denormal = 6.103515625e-05; EXPECT_EQ(0x0400, fp32_to_fp16(smallest_fp16_non_denormal).val); EXPECT_EQ(0x0400, fp32_to_fp16(smallest_fp16_non_denormal - 0.5 * smallest_fp16_denormal).val); // Round-to-even. EXPECT_EQ(0x03ff, fp32_to_fp16(smallest_fp16_non_denormal - smallest_fp16_denormal).val); } } // namespace movit movit-1.7.1/flat_input_test.cpp0000644000175000017500000002470614462263704015635 0ustar sessesesse// Unit tests for FlatInput. #include #include #include "effect_chain.h" #include "flat_input.h" #include "gtest/gtest.h" #include "resource_pool.h" #include "test_util.h" #include "util.h" using namespace std; namespace movit { TEST(FlatInput, SimpleGrayscale) { const int size = 4; float data[size] = { 0.0, 0.5, 0.7, 1.0, }; float expected_data[4 * size] = { 0.0, 0.0, 0.0, 1.0, 0.5, 0.5, 0.5, 1.0, 0.7, 0.7, 0.7, 1.0, 1.0, 1.0, 1.0, 1.0, }; float out_data[4 * size]; EffectChainTester tester(data, 1, size, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR); tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(expected_data, out_data, 4, size); } TEST(FlatInput, RGB) { const int size = 5; float data[3 * size] = { 0.0, 0.0, 0.0, 0.5, 0.0, 0.0, 0.0, 0.5, 0.0, 0.0, 0.0, 0.7, 0.0, 0.3, 0.7, }; float expected_data[4 * size] = { 0.0, 0.0, 0.0, 1.0, 0.5, 0.0, 0.0, 1.0, 0.0, 0.5, 0.0, 1.0, 0.0, 0.0, 0.7, 1.0, 0.0, 0.3, 0.7, 1.0, }; float out_data[4 * size]; EffectChainTester tester(data, 1, size, FORMAT_RGB, COLORSPACE_sRGB, GAMMA_LINEAR); tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(expected_data, out_data, 4, size); } TEST(FlatInput, RGBA) { const int size = 5; float data[4 * size] = { 0.0, 0.0, 0.0, 1.0, 0.5, 0.0, 0.0, 0.3, 0.0, 0.5, 0.0, 0.7, 0.0, 0.0, 0.7, 1.0, 0.0, 0.3, 0.7, 0.2, }; float expected_data[4 * size] = { 0.0, 0.0, 0.0, 1.0, 0.5, 0.0, 0.0, 0.3, 0.0, 0.5, 0.0, 0.7, 0.0, 0.0, 0.7, 1.0, 0.0, 0.3, 0.7, 0.2, }; float out_data[4 * size]; EffectChainTester tester(data, 1, size, FORMAT_RGBA_POSTMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_LINEAR); tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(expected_data, out_data, 4, size); } // Note: The sRGB conversion itself is tested in EffectChainTester, // since it also wants to test the chain building itself. // Here, we merely test that alpha is left alone; the test will usually // run using the sRGB OpenGL extension, but might be run with a // GammaExpansionEffect if the card/driver happens not to support that. TEST(FlatInput, AlphaIsNotModifiedBySRGBConversion) { const int size = 5; unsigned char data[4 * size] = { 0, 0, 0, 0, 0, 0, 0, 63, 0, 0, 0, 127, 0, 0, 0, 191, 0, 0, 0, 255, }; float expected_data[4 * size] = { 0, 0, 0, 0.0 / 255.0, 0, 0, 0, 63.0 / 255.0, 0, 0, 0, 127.0 / 255.0, 0, 0, 0, 191.0 / 255.0, 0, 0, 0, 255.0 / 255.0, }; float out_data[4 * size]; EffectChainTester tester(nullptr, 1, size); tester.add_input(data, FORMAT_RGBA_POSTMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_sRGB); tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(expected_data, out_data, 4, size); } TEST(FlatInput, BGR) { const int size = 5; float data[3 * size] = { 0.0, 0.0, 0.0, 0.5, 0.0, 0.0, 0.0, 0.5, 0.0, 0.0, 0.0, 0.7, 0.0, 0.3, 0.7, }; float expected_data[4 * size] = { 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.5, 1.0, 0.0, 0.5, 0.0, 1.0, 0.7, 0.0, 0.0, 1.0, 0.7, 0.3, 0.0, 1.0, }; float out_data[4 * size]; EffectChainTester tester(data, 1, size, FORMAT_BGR, COLORSPACE_sRGB, GAMMA_LINEAR); tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(expected_data, out_data, 4, size); } TEST(FlatInput, BGRA) { const int size = 5; float data[4 * size] = { 0.0, 0.0, 0.0, 1.0, 0.5, 0.0, 0.0, 0.3, 0.0, 0.5, 0.0, 0.7, 0.0, 0.0, 0.7, 1.0, 0.0, 0.3, 0.7, 0.2, }; float expected_data[4 * size] = { 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.5, 0.3, 0.0, 0.5, 0.0, 0.7, 0.7, 0.0, 0.0, 1.0, 0.7, 0.3, 0.0, 0.2, }; float out_data[4 * size]; EffectChainTester tester(data, 1, size, FORMAT_BGRA_POSTMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_LINEAR); tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(expected_data, out_data, 4, size); } TEST(FlatInput, Pitch) { const int pitch = 3; const int width = 2; const int height = 4; float data[pitch * height] = { 0.0, 1.0, 999.0f, 0.5, 0.5, 999.0f, 0.7, 0.2, 999.0f, 1.0, 0.6, 999.0f, }; float expected_data[4 * width * height] = { 0.0, 0.0, 0.0, 1.0, 1.0, 1.0, 1.0, 1.0, 0.5, 0.5, 0.5, 1.0, 0.5, 0.5, 0.5, 1.0, 0.7, 0.7, 0.7, 1.0, 0.2, 0.2, 0.2, 1.0, 1.0, 1.0, 1.0, 1.0, 0.6, 0.6, 0.6, 1.0, }; float out_data[4 * width * height]; EffectChainTester tester(nullptr, width, height); ImageFormat format; format.color_space = COLORSPACE_sRGB; format.gamma_curve = GAMMA_LINEAR; FlatInput *input = new FlatInput(format, FORMAT_GRAYSCALE, GL_FLOAT, width, height); input->set_pitch(pitch); input->set_pixel_data(data); tester.get_chain()->add_input(input); tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(expected_data, out_data, 4 * width, height); } TEST(FlatInput, UpdatedData) { const int width = 2; const int height = 4; float data[width * height] = { 0.0, 1.0, 0.5, 0.5, 0.7, 0.2, 1.0, 0.6, }; float out_data[width * height]; EffectChainTester tester(nullptr, width, height); ImageFormat format; format.color_space = COLORSPACE_sRGB; format.gamma_curve = GAMMA_LINEAR; FlatInput *input = new FlatInput(format, FORMAT_GRAYSCALE, GL_FLOAT, width, height); input->set_pixel_data(data); tester.get_chain()->add_input(input); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(data, out_data, width, height); data[6] = 0.3; input->invalidate_pixel_data(); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(data, out_data, width, height); } TEST(FlatInput, PBO) { const int width = 3; const int height = 2; float data[width * height] = { 0.0, 1.0, 0.5, 0.5, 0.5, 0.2, }; float expected_data[4 * width * height] = { 0.0, 0.0, 0.0, 1.0, 1.0, 1.0, 1.0, 1.0, 0.5, 0.5, 0.5, 1.0, 0.5, 0.5, 0.5, 1.0, 0.5, 0.5, 0.5, 1.0, 0.2, 0.2, 0.2, 1.0, }; float out_data[4 * width * height]; GLuint pbo; glGenBuffers(1, &pbo); glBindBuffer(GL_PIXEL_UNPACK_BUFFER_ARB, pbo); glBufferData(GL_PIXEL_UNPACK_BUFFER_ARB, width * height * sizeof(float), data, GL_STREAM_DRAW); glBindBuffer(GL_PIXEL_UNPACK_BUFFER_ARB, 0); EffectChainTester tester(nullptr, width, height); ImageFormat format; format.color_space = COLORSPACE_sRGB; format.gamma_curve = GAMMA_LINEAR; FlatInput *input = new FlatInput(format, FORMAT_GRAYSCALE, GL_FLOAT, width, height); input->set_pixel_data((float *)BUFFER_OFFSET(0), pbo); tester.get_chain()->add_input(input); tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(expected_data, out_data, 4 * width, height); glDeleteBuffers(1, &pbo); } TEST(FlatInput, ExternalTexture) { const int size = 5; float data[3 * size] = { 0.0, 0.0, 0.0, 0.5, 0.0, 0.0, 0.0, 0.5, 0.0, 0.0, 0.0, 0.7, 0.0, 0.3, 0.7, }; float expected_data[4 * size] = { 0.0, 0.0, 0.0, 1.0, 0.5, 0.0, 0.0, 1.0, 0.0, 0.5, 0.0, 1.0, 0.0, 0.0, 0.7, 1.0, 0.0, 0.3, 0.7, 1.0, }; float out_data[4 * size]; EffectChainTester tester(nullptr, 1, size, FORMAT_RGB, COLORSPACE_sRGB, GAMMA_LINEAR); ImageFormat format; format.color_space = COLORSPACE_sRGB; format.gamma_curve = GAMMA_LINEAR; ResourcePool pool; GLuint tex = pool.create_2d_texture(GL_RGB8, 1, size); check_error(); glBindTexture(GL_TEXTURE_2D, tex); check_error(); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); check_error(); glPixelStorei(GL_UNPACK_ALIGNMENT, 1); check_error(); glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 1, size, GL_RGB, GL_FLOAT, data); check_error(); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); check_error(); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); check_error(); FlatInput *input = new FlatInput(format, FORMAT_RGB, GL_FLOAT, 1, size); input->set_texture_num(tex); tester.get_chain()->add_input(input); tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR); pool.release_2d_texture(tex); expect_equal(expected_data, out_data, 4, size); } // Just an IdentityEffect, but marks as needing mipmaps, so that we can use it // for downscaling to verify mipmaps were used. class MipmapNeedingEffect : public Effect { public: MipmapNeedingEffect() {} MipmapRequirements needs_mipmaps() const override { return NEEDS_MIPMAPS; } string effect_type_id() const override { return "MipmapNeedingEffect"; } string output_fragment_shader() override { return read_file("identity.frag"); } }; TEST(FlatInput, ExternalTextureMipmapState) { const int width = 4; const int height = 4; float data[width * height] = { 1.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, }; float expected_data[] = { 0.0625, }; float out_data[1]; EffectChainTester tester(nullptr, 1, 1, FORMAT_RGB, COLORSPACE_sRGB, GAMMA_LINEAR); ImageFormat format; format.color_space = COLORSPACE_sRGB; format.gamma_curve = GAMMA_LINEAR; ResourcePool pool; GLuint tex = pool.create_2d_texture(GL_R8, width, height); check_error(); glBindTexture(GL_TEXTURE_2D, tex); check_error(); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_NEAREST); check_error(); glPixelStorei(GL_UNPACK_ALIGNMENT, 1); check_error(); glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, width, height, GL_RED, GL_FLOAT, data); check_error(); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); check_error(); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); check_error(); glGenerateMipmap(GL_TEXTURE_2D); check_error(); // Turn off mipmaps, so that we verify that Movit turns it back on. glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); check_error(); FlatInput *input = new FlatInput(format, FORMAT_GRAYSCALE, GL_FLOAT, width, height); input->set_texture_num(tex); tester.get_chain()->add_input(input); tester.get_chain()->add_effect(new MipmapNeedingEffect); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); pool.release_2d_texture(tex); expect_equal(expected_data, out_data, 1, 1); } TEST(FlatInput, NoData) { const int width = 2; const int height = 4; float out_data[width * height]; EffectChainTester tester(nullptr, width, height); ImageFormat format; format.color_space = COLORSPACE_sRGB; format.gamma_curve = GAMMA_LINEAR; FlatInput *input = new FlatInput(format, FORMAT_GRAYSCALE, GL_FLOAT, width, height); tester.get_chain()->add_input(input); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); // Don't care what the output was, just that it does not crash. } } // namespace movit movit-1.7.1/ycbcr_input_test.cpp0000644000175000017500000010226114462263704016002 0ustar sessesesse// Unit tests for YCbCrInput. Also tests the matrix functions in ycbcr.cpp directly. #include #include #include #include #include "effect_chain.h" #include "gtest/gtest.h" #include "test_util.h" #include "util.h" #include "resource_pool.h" #include "ycbcr_input.h" using namespace std; namespace movit { TEST(YCbCrInputTest, Simple444) { const int width = 1; const int height = 5; // Pure-color test inputs, calculated with the formulas in Rec. 601 // section 2.5.4. unsigned char y[width * height] = { 16, 235, 81, 145, 41, }; unsigned char cb[width * height] = { 128, 128, 90, 54, 240, }; unsigned char cr[width * height] = { 128, 128, 240, 34, 110, }; float expected_data[4 * width * height] = { 0.0, 0.0, 0.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 0.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 0.0, 1.0, 1.0, }; float out_data[4 * width * height]; EffectChainTester tester(nullptr, width, height); ImageFormat format; format.color_space = COLORSPACE_sRGB; format.gamma_curve = GAMMA_sRGB; YCbCrFormat ycbcr_format; ycbcr_format.luma_coefficients = YCBCR_REC_601; ycbcr_format.full_range = false; ycbcr_format.num_levels = 256; ycbcr_format.chroma_subsampling_x = 1; ycbcr_format.chroma_subsampling_y = 1; ycbcr_format.cb_x_position = 0.5f; ycbcr_format.cb_y_position = 0.5f; ycbcr_format.cr_x_position = 0.5f; ycbcr_format.cr_y_position = 0.5f; YCbCrInput *input = new YCbCrInput(format, ycbcr_format, width, height); input->set_pixel_data(0, y); input->set_pixel_data(1, cb); input->set_pixel_data(2, cr); tester.get_chain()->add_input(input); tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_sRGB); // Y'CbCr isn't 100% accurate (the input values are rounded), // so we need some leeway. expect_equal(expected_data, out_data, 4 * width, height, 0.025, 0.002); } TEST(YCbCrInputTest, Interleaved444) { const int width = 1; const int height = 5; // Same data as Simple444, just rearranged. unsigned char data[width * height * 3] = { 16, 128, 128, 235, 128, 128, 81, 90, 240, 145, 54, 34, 41, 240, 110, }; float expected_data[4 * width * height] = { 0.0, 0.0, 0.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 0.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 0.0, 1.0, 1.0, }; float out_data[4 * width * height]; EffectChainTester tester(nullptr, width, height); ImageFormat format; format.color_space = COLORSPACE_sRGB; format.gamma_curve = GAMMA_sRGB; YCbCrFormat ycbcr_format; ycbcr_format.luma_coefficients = YCBCR_REC_601; ycbcr_format.full_range = false; ycbcr_format.num_levels = 256; ycbcr_format.chroma_subsampling_x = 1; ycbcr_format.chroma_subsampling_y = 1; ycbcr_format.cb_x_position = 0.5f; ycbcr_format.cb_y_position = 0.5f; ycbcr_format.cr_x_position = 0.5f; ycbcr_format.cr_y_position = 0.5f; YCbCrInput *input = new YCbCrInput(format, ycbcr_format, width, height, YCBCR_INPUT_INTERLEAVED); input->set_pixel_data(0, data); tester.get_chain()->add_input(input); tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_sRGB); // Y'CbCr isn't 100% accurate (the input values are rounded), // so we need some leeway. expect_equal(expected_data, out_data, 4 * width, height, 0.025, 0.002); } TEST(YCbCrInputTest, FullRangeRec601) { const int width = 1; const int height = 5; // Pure-color test inputs, calculated with the formulas in Rec. 601 // section 2.5.4 but without the scaling factors applied // (so both R, G, B, Y, Cb and R vary from 0 to 255). unsigned char y[width * height] = { 0, 255, 76, 150, 29, }; unsigned char cb[width * height] = { 128, 128, 85, 44, 255, }; unsigned char cr[width * height] = { 128, 128, 255, 21, 107, }; float expected_data[4 * width * height] = { 0.0, 0.0, 0.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 0.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 0.0, 1.0, 1.0, }; float out_data[4 * width * height]; EffectChainTester tester(nullptr, width, height); ImageFormat format; format.color_space = COLORSPACE_sRGB; format.gamma_curve = GAMMA_sRGB; YCbCrFormat ycbcr_format; ycbcr_format.luma_coefficients = YCBCR_REC_601; ycbcr_format.full_range = true; ycbcr_format.num_levels = 256; ycbcr_format.chroma_subsampling_x = 1; ycbcr_format.chroma_subsampling_y = 1; ycbcr_format.cb_x_position = 0.5f; ycbcr_format.cb_y_position = 0.5f; ycbcr_format.cr_x_position = 0.5f; ycbcr_format.cr_y_position = 0.5f; YCbCrInput *input = new YCbCrInput(format, ycbcr_format, width, height); input->set_pixel_data(0, y); input->set_pixel_data(1, cb); input->set_pixel_data(2, cr); tester.get_chain()->add_input(input); tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_sRGB); // Y'CbCr isn't 100% accurate (the input values are rounded), // so we need some leeway. expect_equal(expected_data, out_data, 4 * width, height, 0.025, 0.002); } TEST(YCbCrInputTest, Rec709) { const int width = 1; const int height = 5; // Pure-color test inputs, calculated with the formulas in Rec. 709 // page 19, items 3.4 and 3.5. unsigned char y[width * height] = { 16, 235, 63, 173, 32, }; unsigned char cb[width * height] = { 128, 128, 102, 42, 240, }; unsigned char cr[width * height] = { 128, 128, 240, 26, 118, }; float expected_data[4 * width * height] = { 0.0, 0.0, 0.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 0.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 0.0, 1.0, 1.0, }; float out_data[4 * width * height]; EffectChainTester tester(nullptr, width, height); ImageFormat format; format.color_space = COLORSPACE_sRGB; format.gamma_curve = GAMMA_sRGB; YCbCrFormat ycbcr_format; ycbcr_format.luma_coefficients = YCBCR_REC_709; ycbcr_format.full_range = false; ycbcr_format.num_levels = 256; ycbcr_format.chroma_subsampling_x = 1; ycbcr_format.chroma_subsampling_y = 1; ycbcr_format.cb_x_position = 0.5f; ycbcr_format.cb_y_position = 0.5f; ycbcr_format.cr_x_position = 0.5f; ycbcr_format.cr_y_position = 0.5f; YCbCrInput *input = new YCbCrInput(format, ycbcr_format, width, height); input->set_pixel_data(0, y); input->set_pixel_data(1, cb); input->set_pixel_data(2, cr); tester.get_chain()->add_input(input); tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_sRGB); // Y'CbCr isn't 100% accurate (the input values are rounded), // so we need some leeway. expect_equal(expected_data, out_data, 4 * width, height, 0.025, 0.002); } TEST(YCbCrInputTest, Rec2020) { const int width = 1; const int height = 5; // Pure-color test inputs, calculated with the formulas in Rec. 2020 // page 4, tables 4 and 5 (for conventional non-constant luminance). // Note that we still use 8-bit inputs, even though Rec. 2020 is only // defined for 10- and 12-bit. unsigned char y[width * height] = { 16, 235, 74, 164, 29, }; unsigned char cb[width * height] = { 128, 128, 97, 47, 240, }; unsigned char cr[width * height] = { 128, 128, 240, 25, 119, }; float expected_data[4 * width * height] = { 0.0, 0.0, 0.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 0.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 0.0, 1.0, 1.0, }; float out_data[4 * width * height]; EffectChainTester tester(nullptr, width, height); ImageFormat format; format.color_space = COLORSPACE_sRGB; format.gamma_curve = GAMMA_sRGB; YCbCrFormat ycbcr_format; ycbcr_format.luma_coefficients = YCBCR_REC_2020; ycbcr_format.full_range = false; ycbcr_format.num_levels = 256; ycbcr_format.chroma_subsampling_x = 1; ycbcr_format.chroma_subsampling_y = 1; ycbcr_format.cb_x_position = 0.5f; ycbcr_format.cb_y_position = 0.5f; ycbcr_format.cr_x_position = 0.5f; ycbcr_format.cr_y_position = 0.5f; YCbCrInput *input = new YCbCrInput(format, ycbcr_format, width, height); input->set_pixel_data(0, y); input->set_pixel_data(1, cb); input->set_pixel_data(2, cr); tester.get_chain()->add_input(input); tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_sRGB); // Y'CbCr isn't 100% accurate (the input values are rounded), // so we need some leeway. expect_equal(expected_data, out_data, 4 * width, height, 0.025, 0.002); } // Very similar to Rec709. TEST(YCbCrInputTest, ChangeFormat) { const int width = 1; const int height = 5; // Pure-color test inputs, calculated with the formulas in Rec. 709 // page 19, items 3.4 and 3.5. unsigned char y[width * height] = { 16, 235, 63, 173, 32, }; unsigned char cb[width * height] = { 128, 128, 102, 42, 240, }; unsigned char cr[width * height] = { 128, 128, 240, 26, 118, }; float expected_data[4 * width * height] = { 0.0, 0.0, 0.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 0.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 0.0, 1.0, 1.0, }; float out_data[4 * width * height]; EffectChainTester tester(nullptr, width, height); ImageFormat format; format.color_space = COLORSPACE_sRGB; format.gamma_curve = GAMMA_sRGB; // Basically all of these values will be changed after finalize. YCbCrFormat initial_ycbcr_format; initial_ycbcr_format.luma_coefficients = YCBCR_REC_601; initial_ycbcr_format.full_range = true; initial_ycbcr_format.num_levels = 1024; initial_ycbcr_format.chroma_subsampling_x = 1; initial_ycbcr_format.chroma_subsampling_y = 5; initial_ycbcr_format.cb_x_position = 0.0f; initial_ycbcr_format.cb_y_position = 0.5f; initial_ycbcr_format.cr_x_position = 0.0f; initial_ycbcr_format.cr_y_position = 0.5f; YCbCrInput *input = new YCbCrInput(format, initial_ycbcr_format, width, height); input->set_pixel_data(0, y); input->set_pixel_data(1, cb); input->set_pixel_data(2, cr); tester.get_chain()->add_input(input); tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_sRGB); // Rerun with the right format. YCbCrFormat ycbcr_format; ycbcr_format.luma_coefficients = YCBCR_REC_709; ycbcr_format.full_range = false; ycbcr_format.num_levels = 256; ycbcr_format.chroma_subsampling_x = 1; ycbcr_format.chroma_subsampling_y = 1; ycbcr_format.cb_x_position = 0.5f; ycbcr_format.cb_y_position = 0.5f; ycbcr_format.cr_x_position = 0.5f; ycbcr_format.cr_y_position = 0.5f; input->change_ycbcr_format(ycbcr_format); input->set_width(width); input->set_height(height); tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_sRGB); // Y'CbCr isn't 100% accurate (the input values are rounded), // so we need some leeway. expect_equal(expected_data, out_data, 4 * width, height, 0.025, 0.002); } TEST(YCbCrInputTest, Subsampling420) { const int width = 4; const int height = 4; unsigned char y[width * height] = { 126, 126, 126, 126, 126, 126, 126, 126, 126, 126, 126, 126, 126, 126, 126, 126, }; unsigned char cb[(width/2) * (height/2)] = { 64, 128, 128, 192, }; unsigned char cr[(width/2) * (height/2)] = { 128, 128, 128, 128, }; // Note: This is only the blue channel. The chroma samples (with associated // values for blue) are marked off in comments. float expected_data[width * height] = { 0.000, 0.125, 0.375, 0.500, /* 0.0 */ /* 0.5 */ 0.125, 0.250, 0.500, 0.625, 0.375, 0.500, 0.750, 0.875, /* 0.5 */ /* 1.0 */ 0.500, 0.625, 0.875, 1.000, }; float out_data[width * height]; EffectChainTester tester(nullptr, width, height); ImageFormat format; format.color_space = COLORSPACE_sRGB; format.gamma_curve = GAMMA_sRGB; YCbCrFormat ycbcr_format; ycbcr_format.luma_coefficients = YCBCR_REC_601; ycbcr_format.full_range = false; ycbcr_format.num_levels = 256; ycbcr_format.chroma_subsampling_x = 2; ycbcr_format.chroma_subsampling_y = 2; ycbcr_format.cb_x_position = 0.5f; ycbcr_format.cb_y_position = 0.5f; ycbcr_format.cr_x_position = 0.5f; ycbcr_format.cr_y_position = 0.5f; YCbCrInput *input = new YCbCrInput(format, ycbcr_format, width, height); input->set_pixel_data(0, y); input->set_pixel_data(1, cb); input->set_pixel_data(2, cr); tester.get_chain()->add_input(input); tester.run(out_data, GL_BLUE, COLORSPACE_sRGB, GAMMA_sRGB); // Y'CbCr isn't 100% accurate (the input values are rounded), // so we need some leeway. expect_equal(expected_data, out_data, width, height, 0.01, 0.001); } TEST(YCbCrInputTest, Subsampling420WithNonCenteredSamples) { const int width = 4; const int height = 4; unsigned char y[width * height] = { 126, 126, 126, 126, 126, 126, 126, 126, 126, 126, 126, 126, 126, 126, 126, 126, }; unsigned char cb[(width/2) * (height/2)] = { 64, 128, 128, 192, }; unsigned char cr[(width/2) * (height/2)] = { 128, 128, 128, 128, }; // Note: This is only the blue channel. The chroma samples (with associated // values for blue) are marked off in comments. float expected_data[width * height] = { 0.000, 0.250, 0.500, 0.500, /* 0.0 */ /* 0.5 */ 0.125, 0.375, 0.625, 0.625, 0.375, 0.625, 0.875, 0.875, /* 0.5 */ /* 1.0 */ 0.500, 0.750, 1.000, 1.000, }; float out_data[width * height]; EffectChainTester tester(nullptr, width, height); ImageFormat format; format.color_space = COLORSPACE_sRGB; format.gamma_curve = GAMMA_sRGB; YCbCrFormat ycbcr_format; ycbcr_format.luma_coefficients = YCBCR_REC_601; ycbcr_format.full_range = false; ycbcr_format.num_levels = 256; ycbcr_format.chroma_subsampling_x = 2; ycbcr_format.chroma_subsampling_y = 2; ycbcr_format.cb_x_position = 0.0f; ycbcr_format.cb_y_position = 0.5f; ycbcr_format.cr_x_position = 0.0f; ycbcr_format.cr_y_position = 0.5f; YCbCrInput *input = new YCbCrInput(format, ycbcr_format, width, height); input->set_pixel_data(0, y); input->set_pixel_data(1, cb); input->set_pixel_data(2, cr); tester.get_chain()->add_input(input); tester.run(out_data, GL_BLUE, COLORSPACE_sRGB, GAMMA_sRGB); // Y'CbCr isn't 100% accurate (the input values are rounded), // so we need some leeway. expect_equal(expected_data, out_data, width, height, 0.01, 0.0012); } // Yes, some 4:2:2 formats actually have this craziness. TEST(YCbCrInputTest, DifferentCbAndCrPositioning) { const int width = 4; const int height = 4; unsigned char y[width * height] = { 126, 126, 126, 126, 126, 126, 126, 126, 126, 126, 126, 126, 126, 126, 126, 126, }; unsigned char cb[(width/2) * height] = { 64, 128, 128, 192, 128, 128, 128, 128, }; unsigned char cr[(width/2) * height] = { 48, 128, 128, 208, 128, 128, 128, 128, }; // Chroma samples in this csae are always co-sited with a luma sample; // their associated color values and position are marked off in comments. float expected_data_blue[width * height] = { 0.000 /* 0.0 */, 0.250, 0.500 /* 0.5 */, 0.500, 0.500 /* 0.5 */, 0.750, 1.000 /* 1.0 */, 1.000, 0.500 /* 0.5 */, 0.500, 0.500 /* 0.5 */, 0.500, 0.500 /* 0.5 */, 0.500, 0.500 /* 0.5 */, 0.500, }; float expected_data_red[width * height] = { 0.000, 0.000 /* 0.0 */, 0.250, 0.500 /* 0.5 */, 0.500, 0.500 /* 0.5 */, 0.750, 1.000 /* 1.0 */, 0.500, 0.500 /* 0.5 */, 0.500, 0.500 /* 0.5 */, 0.500, 0.500 /* 0.5 */, 0.500, 0.500 /* 0.5 */, }; float out_data[width * height]; EffectChainTester tester(nullptr, width, height); ImageFormat format; format.color_space = COLORSPACE_sRGB; format.gamma_curve = GAMMA_sRGB; YCbCrFormat ycbcr_format; ycbcr_format.luma_coefficients = YCBCR_REC_601; ycbcr_format.full_range = false; ycbcr_format.num_levels = 256; ycbcr_format.chroma_subsampling_x = 2; ycbcr_format.chroma_subsampling_y = 1; ycbcr_format.cb_x_position = 0.0f; ycbcr_format.cb_y_position = 0.5f; ycbcr_format.cr_x_position = 1.0f; ycbcr_format.cr_y_position = 0.5f; YCbCrInput *input = new YCbCrInput(format, ycbcr_format, width, height); input->set_pixel_data(0, y); input->set_pixel_data(1, cb); input->set_pixel_data(2, cr); tester.get_chain()->add_input(input); // Y'CbCr isn't 100% accurate (the input values are rounded), // so we need some leeway. tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_sRGB); expect_equal(expected_data_red, out_data, width, height, 0.02, 0.002); tester.run(out_data, GL_BLUE, COLORSPACE_sRGB, GAMMA_sRGB); expect_equal(expected_data_blue, out_data, width, height, 0.01, 0.001); } TEST(YCbCrInputTest, PBO) { const int width = 1; const int height = 5; // Pure-color test inputs, calculated with the formulas in Rec. 601 // section 2.5.4. unsigned char data[width * height * 3] = { 16, 235, 81, 145, 41, 128, 128, 90, 54, 240, 128, 128, 240, 34, 110, }; float expected_data[4 * width * height] = { 0.0, 0.0, 0.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 0.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 0.0, 1.0, 1.0, }; float out_data[4 * width * height]; GLuint pbo; glGenBuffers(1, &pbo); glBindBuffer(GL_PIXEL_UNPACK_BUFFER_ARB, pbo); glBufferData(GL_PIXEL_UNPACK_BUFFER_ARB, width * height * 3, data, GL_STREAM_DRAW); glBindBuffer(GL_PIXEL_UNPACK_BUFFER_ARB, 0); EffectChainTester tester(nullptr, width, height); ImageFormat format; format.color_space = COLORSPACE_sRGB; format.gamma_curve = GAMMA_sRGB; YCbCrFormat ycbcr_format; ycbcr_format.luma_coefficients = YCBCR_REC_601; ycbcr_format.full_range = false; ycbcr_format.num_levels = 256; ycbcr_format.chroma_subsampling_x = 1; ycbcr_format.chroma_subsampling_y = 1; ycbcr_format.cb_x_position = 0.5f; ycbcr_format.cb_y_position = 0.5f; ycbcr_format.cr_x_position = 0.5f; ycbcr_format.cr_y_position = 0.5f; YCbCrInput *input = new YCbCrInput(format, ycbcr_format, width, height); input->set_pixel_data(0, (unsigned char *)BUFFER_OFFSET(0), pbo); input->set_pixel_data(1, (unsigned char *)BUFFER_OFFSET(width * height), pbo); input->set_pixel_data(2, (unsigned char *)BUFFER_OFFSET(width * height * 2), pbo); tester.get_chain()->add_input(input); tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_sRGB); // Y'CbCr isn't 100% accurate (the input values are rounded), // so we need some leeway. expect_equal(expected_data, out_data, 4 * width, height, 0.025, 0.002); glDeleteBuffers(1, &pbo); } TEST(YCbCrInputTest, CombinedCbAndCr) { const int width = 1; const int height = 5; // Pure-color test inputs, calculated with the formulas in Rec. 601 // section 2.5.4. unsigned char y[width * height] = { 16, 235, 81, 145, 41, }; unsigned char cb_cr[width * height * 2] = { 128, 128, 128, 128, 90, 240, 54, 34, 240, 110, }; float expected_data[4 * width * height] = { 0.0, 0.0, 0.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 0.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 0.0, 1.0, 1.0, }; float out_data[4 * width * height]; EffectChainTester tester(nullptr, width, height); ImageFormat format; format.color_space = COLORSPACE_sRGB; format.gamma_curve = GAMMA_sRGB; YCbCrFormat ycbcr_format; ycbcr_format.luma_coefficients = YCBCR_REC_601; ycbcr_format.full_range = false; ycbcr_format.num_levels = 256; ycbcr_format.chroma_subsampling_x = 1; ycbcr_format.chroma_subsampling_y = 1; ycbcr_format.cb_x_position = 0.5f; ycbcr_format.cb_y_position = 0.5f; ycbcr_format.cr_x_position = 0.5f; ycbcr_format.cr_y_position = 0.5f; YCbCrInput *input = new YCbCrInput(format, ycbcr_format, width, height, YCBCR_INPUT_SPLIT_Y_AND_CBCR); input->set_pixel_data(0, y); input->set_pixel_data(1, cb_cr); tester.get_chain()->add_input(input); tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_sRGB); // Y'CbCr isn't 100% accurate (the input values are rounded), // so we need some leeway. expect_equal(expected_data, out_data, 4 * width, height, 0.025, 0.002); } TEST(YCbCrInputTest, ExternalTexture) { const int width = 1; const int height = 5; // Pure-color test inputs, calculated with the formulas in Rec. 601 // section 2.5.4. unsigned char y[width * height] = { 16, 235, 81, 145, 41, }; unsigned char cb[width * height] = { 128, 128, 90, 54, 240, }; unsigned char cr[width * height] = { 128, 128, 240, 34, 110, }; float expected_data[4 * width * height] = { 0.0, 0.0, 0.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 0.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 0.0, 1.0, 1.0, }; float out_data[4 * width * height]; EffectChainTester tester(nullptr, width, height); ImageFormat format; format.color_space = COLORSPACE_sRGB; format.gamma_curve = GAMMA_sRGB; YCbCrFormat ycbcr_format; ycbcr_format.luma_coefficients = YCBCR_REC_601; ycbcr_format.full_range = false; ycbcr_format.num_levels = 256; ycbcr_format.chroma_subsampling_x = 1; ycbcr_format.chroma_subsampling_y = 1; ycbcr_format.cb_x_position = 0.5f; ycbcr_format.cb_y_position = 0.5f; ycbcr_format.cr_x_position = 0.5f; ycbcr_format.cr_y_position = 0.5f; // Make a texture for the Cb data; keep the others as regular uploads. ResourcePool pool; GLuint cb_tex = pool.create_2d_texture(GL_R8, width, height); check_error(); glBindTexture(GL_TEXTURE_2D, cb_tex); check_error(); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); check_error(); glPixelStorei(GL_UNPACK_ALIGNMENT, 1); check_error(); glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, width, height, GL_RED, GL_UNSIGNED_BYTE, cb); check_error(); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); check_error(); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); check_error(); YCbCrInput *input = new YCbCrInput(format, ycbcr_format, width, height); input->set_pixel_data(0, y); input->set_texture_num(1, cb_tex); input->set_pixel_data(2, cr); tester.get_chain()->add_input(input); tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_sRGB); pool.release_2d_texture(cb_tex); // Y'CbCr isn't 100% accurate (the input values are rounded), // so we need some leeway. expect_equal(expected_data, out_data, 4 * width, height, 0.025, 0.002); } TEST(YCbCrTest, WikipediaRec601ForwardMatrix) { YCbCrFormat ycbcr_format; ycbcr_format.luma_coefficients = YCBCR_REC_601; ycbcr_format.full_range = false; ycbcr_format.num_levels = 256; float offset[3]; Eigen::Matrix3d ycbcr_to_rgb; compute_ycbcr_matrix(ycbcr_format, offset, &ycbcr_to_rgb); Eigen::Matrix3d rgb_to_ycbcr = ycbcr_to_rgb.inverse() * 255.0; // Values from https://en.wikipedia.org/wiki/YCbCr#ITU-R_BT.601_conversion. EXPECT_NEAR( 65.481, rgb_to_ycbcr(0,0), 1e-3); EXPECT_NEAR( 128.553, rgb_to_ycbcr(0,1), 1e-3); EXPECT_NEAR( 24.966, rgb_to_ycbcr(0,2), 1e-3); EXPECT_NEAR( -37.797, rgb_to_ycbcr(1,0), 1e-3); EXPECT_NEAR( -74.203, rgb_to_ycbcr(1,1), 1e-3); EXPECT_NEAR( 112.000, rgb_to_ycbcr(1,2), 1e-3); EXPECT_NEAR( 112.000, rgb_to_ycbcr(2,0), 1e-3); EXPECT_NEAR( -93.786, rgb_to_ycbcr(2,1), 1e-3); EXPECT_NEAR( -18.214, rgb_to_ycbcr(2,2), 1e-3); EXPECT_NEAR( 16.0, offset[0] * 255.0, 1e-3); EXPECT_NEAR(128.0, offset[1] * 255.0, 1e-3); EXPECT_NEAR(128.0, offset[2] * 255.0, 1e-3); } TEST(YCbCrTest, WikipediaJPEGMatrices) { YCbCrFormat ycbcr_format; ycbcr_format.luma_coefficients = YCBCR_REC_601; ycbcr_format.full_range = true; ycbcr_format.num_levels = 256; float offset[3]; Eigen::Matrix3d ycbcr_to_rgb; compute_ycbcr_matrix(ycbcr_format, offset, &ycbcr_to_rgb); // Values from https://en.wikipedia.org/wiki/YCbCr#JPEG_conversion. EXPECT_NEAR( 1.00000, ycbcr_to_rgb(0,0), 1e-5); EXPECT_NEAR( 0.00000, ycbcr_to_rgb(0,1), 1e-5); EXPECT_NEAR( 1.40200, ycbcr_to_rgb(0,2), 1e-5); EXPECT_NEAR( 1.00000, ycbcr_to_rgb(1,0), 1e-5); EXPECT_NEAR(-0.34414, ycbcr_to_rgb(1,1), 1e-5); EXPECT_NEAR(-0.71414, ycbcr_to_rgb(1,2), 1e-5); EXPECT_NEAR( 1.00000, ycbcr_to_rgb(2,0), 1e-5); EXPECT_NEAR( 1.77200, ycbcr_to_rgb(2,1), 1e-5); EXPECT_NEAR( 0.00000, ycbcr_to_rgb(2,2), 1e-5); Eigen::Matrix3d rgb_to_ycbcr = ycbcr_to_rgb.inverse(); // Same. EXPECT_NEAR( 0.299000, rgb_to_ycbcr(0,0), 1e-6); EXPECT_NEAR( 0.587000, rgb_to_ycbcr(0,1), 1e-6); EXPECT_NEAR( 0.114000, rgb_to_ycbcr(0,2), 1e-6); EXPECT_NEAR(-0.168736, rgb_to_ycbcr(1,0), 1e-6); EXPECT_NEAR(-0.331264, rgb_to_ycbcr(1,1), 1e-6); EXPECT_NEAR( 0.500000, rgb_to_ycbcr(1,2), 1e-6); EXPECT_NEAR( 0.500000, rgb_to_ycbcr(2,0), 1e-6); EXPECT_NEAR(-0.418688, rgb_to_ycbcr(2,1), 1e-6); EXPECT_NEAR(-0.081312, rgb_to_ycbcr(2,2), 1e-6); EXPECT_NEAR( 0.0, offset[0] * 255.0, 1e-3); EXPECT_NEAR(128.0, offset[1] * 255.0, 1e-3); EXPECT_NEAR(128.0, offset[2] * 255.0, 1e-3); } TEST(YCbCrTest, BlackmagicForwardMatrix) { YCbCrFormat ycbcr_format; ycbcr_format.luma_coefficients = YCBCR_REC_709; ycbcr_format.full_range = false; ycbcr_format.num_levels = 256; float offset[3]; Eigen::Matrix3d ycbcr_to_rgb; compute_ycbcr_matrix(ycbcr_format, offset, &ycbcr_to_rgb); Eigen::Matrix3d rgb_to_ycbcr = ycbcr_to_rgb.inverse(); // Values from DeckLink SDK documentation. EXPECT_NEAR( 0.183, rgb_to_ycbcr(0,0), 1e-3); EXPECT_NEAR( 0.614, rgb_to_ycbcr(0,1), 1e-3); EXPECT_NEAR( 0.062, rgb_to_ycbcr(0,2), 1e-3); EXPECT_NEAR(-0.101, rgb_to_ycbcr(1,0), 1e-3); EXPECT_NEAR(-0.338, rgb_to_ycbcr(1,1), 1e-3); EXPECT_NEAR( 0.439, rgb_to_ycbcr(1,2), 1e-3); EXPECT_NEAR( 0.439, rgb_to_ycbcr(2,0), 1e-3); EXPECT_NEAR(-0.399, rgb_to_ycbcr(2,1), 1e-3); EXPECT_NEAR(-0.040, rgb_to_ycbcr(2,2), 1e-3); EXPECT_NEAR( 16.0, offset[0] * 255.0, 1e-3); EXPECT_NEAR(128.0, offset[1] * 255.0, 1e-3); EXPECT_NEAR(128.0, offset[2] * 255.0, 1e-3); } TEST(YCbCrInputTest, NoData) { const int width = 1; const int height = 5; float out_data[4 * width * height]; EffectChainTester tester(nullptr, width, height); ImageFormat format; format.color_space = COLORSPACE_sRGB; format.gamma_curve = GAMMA_sRGB; YCbCrFormat ycbcr_format; ycbcr_format.luma_coefficients = YCBCR_REC_601; ycbcr_format.full_range = false; ycbcr_format.num_levels = 256; ycbcr_format.chroma_subsampling_x = 1; ycbcr_format.chroma_subsampling_y = 1; ycbcr_format.cb_x_position = 0.5f; ycbcr_format.cb_y_position = 0.5f; ycbcr_format.cr_x_position = 0.5f; ycbcr_format.cr_y_position = 0.5f; YCbCrInput *input = new YCbCrInput(format, ycbcr_format, width, height); tester.get_chain()->add_input(input); tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_sRGB); // Don't care what the output was, just that it does not crash. } TEST(YCbCrInputTest, TenBitInterleaved) { const int width = 1; const int height = 5; // Pure-color inputs, calculated using formulas 3.2, 3.3 and 3.4 from // Rec. 709. (Except the first two, which are obvious given the 64–940 // range of luminance.) unsigned expanded_data[width * height * 3] = { 64, 512, 512, 940, 512, 512, 250, 409, 960, 691, 167, 105, 127, 960, 471, }; float expected_data[4 * width * height] = { 0.0, 0.0, 0.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 0.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 0.0, 1.0, 1.0, }; float out_data[4 * width * height]; // Pack 32:32:32 to 10:10:10:2. uint32_t data[width * height]; for (unsigned i = 0; i < width * height; ++i) { data[i] = expanded_data[i * 3 + 0] | (expanded_data[i * 3 + 1] << 10) | (expanded_data[i * 3 + 2] << 20); } EffectChainTester tester(nullptr, width, height); ImageFormat format; format.color_space = COLORSPACE_sRGB; format.gamma_curve = GAMMA_sRGB; YCbCrFormat ycbcr_format; ycbcr_format.luma_coefficients = YCBCR_REC_709; ycbcr_format.full_range = false; ycbcr_format.num_levels = 1024; // 10-bit. ycbcr_format.chroma_subsampling_x = 1; ycbcr_format.chroma_subsampling_y = 1; ycbcr_format.cb_x_position = 0.5f; ycbcr_format.cb_y_position = 0.5f; ycbcr_format.cr_x_position = 0.5f; ycbcr_format.cr_y_position = 0.5f; YCbCrInput *input = new YCbCrInput(format, ycbcr_format, width, height, YCBCR_INPUT_INTERLEAVED, GL_UNSIGNED_INT_2_10_10_10_REV); input->set_pixel_data(0, data); tester.get_chain()->add_input(input); tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_sRGB); // We can set much tighter limits on this than 8-bit Y'CbCr; // even tighter than the default limits. expect_equal(expected_data, out_data, 4 * width, height, 0.002, 0.0003); } TEST(YCbCrInputTest, TenBitPlanar) { const int width = 1; const int height = 5; // The same data as TenBitInterleaved, but split. uint16_t y[width * height] = { 64, 940, 250, 691, 127, }; uint16_t cb[width * height] = { 512, 512, 409, 167, 960, }; uint16_t cr[width * height] = { 512, 512, 960, 105, 471, }; float expected_data[4 * width * height] = { 0.0, 0.0, 0.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 0.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 0.0, 1.0, 1.0, }; float out_data[4 * width * height]; EffectChainTester tester(nullptr, width, height); ImageFormat format; format.color_space = COLORSPACE_sRGB; format.gamma_curve = GAMMA_sRGB; YCbCrFormat ycbcr_format; ycbcr_format.luma_coefficients = YCBCR_REC_709; ycbcr_format.full_range = false; ycbcr_format.num_levels = 1024; // 10-bit. ycbcr_format.chroma_subsampling_x = 1; ycbcr_format.chroma_subsampling_y = 1; ycbcr_format.cb_x_position = 0.5f; ycbcr_format.cb_y_position = 0.5f; ycbcr_format.cr_x_position = 0.5f; ycbcr_format.cr_y_position = 0.5f; YCbCrInput *input = new YCbCrInput(format, ycbcr_format, width, height, YCBCR_INPUT_PLANAR, GL_UNSIGNED_SHORT); input->set_pixel_data(0, y); input->set_pixel_data(1, cb); input->set_pixel_data(2, cr); tester.get_chain()->add_input(input); tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_sRGB); // We can set much tighter limits on this than 8-bit Y'CbCr; // even tighter than the default limits. expect_equal(expected_data, out_data, 4 * width, height, 0.002, 0.0003); } // Effectively scales down its input linearly by 4x (and repeating it), // which is not attainable without mipmaps. class MipmapNeedingEffect : public Effect { public: MipmapNeedingEffect() {} MipmapRequirements needs_mipmaps() const override { return NEEDS_MIPMAPS; } // To be allowed to mess with the sampler state. bool needs_texture_bounce() const override { return true; } string effect_type_id() const override { return "MipmapNeedingEffect"; } string output_fragment_shader() override { return read_file("mipmap_needing_effect.frag"); } void inform_added(EffectChain *chain) override { this->chain = chain; } void set_gl_state(GLuint glsl_program_num, const string& prefix, unsigned *sampler_num) override { Node *self = chain->find_node_for_effect(this); glActiveTexture(chain->get_input_sampler(self, 0)); check_error(); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT); check_error(); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT); check_error(); } private: EffectChain *chain; }; // Basically the same test as EffectChainTest_MipmapGenerationWorks, // just with the data converted to Y'CbCr (as red only). TEST(EffectChainTest, MipmapGenerationWorks) { const unsigned width = 4; const unsigned height = 16; float red_data[width * height] = { // In 4x4 blocks. 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.5f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, 1.0f, 0.0f, 0.0f, 1.0f, 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, }; float expected_data[width * height] = { // Repeated four times each way. 0.125f, 0.125f, 0.125f, 0.125f, 0.09375f, 0.09375f, 0.09375f, 0.09375f, 1.0f, 1.0f, 1.0f, 1.0f, 0.25f, 0.25f, 0.25f, 0.25f, 0.125f, 0.125f, 0.125f, 0.125f, 0.09375f, 0.09375f, 0.09375f, 0.09375f, 1.0f, 1.0f, 1.0f, 1.0f, 0.25f, 0.25f, 0.25f, 0.25f, 0.125f, 0.125f, 0.125f, 0.125f, 0.09375f, 0.09375f, 0.09375f, 0.09375f, 1.0f, 1.0f, 1.0f, 1.0f, 0.25f, 0.25f, 0.25f, 0.25f, 0.125f, 0.125f, 0.125f, 0.125f, 0.09375f, 0.09375f, 0.09375f, 0.09375f, 1.0f, 1.0f, 1.0f, 1.0f, 0.25f, 0.25f, 0.25f, 0.25f, }; float expected_data_rgba[width * height * 4]; unsigned char ycbcr_data[width * height * 3]; // Convert to Y'CbCr. YCbCrFormat ycbcr_format; ycbcr_format.luma_coefficients = YCBCR_REC_709; ycbcr_format.full_range = false; ycbcr_format.num_levels = 256; ycbcr_format.chroma_subsampling_x = 1; ycbcr_format.chroma_subsampling_y = 1; ycbcr_format.cb_x_position = 0.5f; ycbcr_format.cb_y_position = 0.5f; ycbcr_format.cr_x_position = 0.5f; ycbcr_format.cr_y_position = 0.5f; float offset[3]; Eigen::Matrix3d ycbcr_to_rgb; compute_ycbcr_matrix(ycbcr_format, offset, &ycbcr_to_rgb); Eigen::Matrix3d rgb_to_ycbcr = ycbcr_to_rgb.inverse(); for (unsigned i = 0; i < 64; ++i) { Eigen::Vector3d rgb(red_data[i], 0.0, 0.0); Eigen::Vector3d ycbcr = rgb_to_ycbcr * rgb; ycbcr(0) += offset[0]; ycbcr(1) += offset[1]; ycbcr(2) += offset[2]; ycbcr_data[i * 3 + 0] = lrintf(ycbcr(0) * 255.0); ycbcr_data[i * 3 + 1] = lrintf(ycbcr(1) * 255.0); ycbcr_data[i * 3 + 2] = lrintf(ycbcr(2) * 255.0); } // Expand expected_data to RGBA. for (unsigned i = 0; i < 64; ++i) { expected_data_rgba[i * 4 + 0] = expected_data[i]; expected_data_rgba[i * 4 + 1] = 0.0f; expected_data_rgba[i * 4 + 2] = 0.0f; expected_data_rgba[i * 4 + 3] = 1.0f; } ImageFormat format; format.color_space = COLORSPACE_sRGB; format.gamma_curve = GAMMA_sRGB; float out_data[width * height * 4]; EffectChainTester tester(nullptr, width, height); YCbCrInput *input = new YCbCrInput(format, ycbcr_format, width, height, YCBCR_INPUT_INTERLEAVED); input->set_pixel_data(0, ycbcr_data); tester.get_chain()->add_input(input); tester.get_chain()->add_effect(new MipmapNeedingEffect()); tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR); // The usual pretty loose limits. expect_equal(expected_data_rgba, out_data, width * 4, height, 0.025, 0.002); } } // namespace movit movit-1.7.1/ycbcr_422interleaved_input_test.cpp0000644000175000017500000002155614462263704020623 0ustar sessesesse// Unit tests for YCbCr422InterleavedInput. #include #include #include #include "effect_chain.h" #include "gtest/gtest.h" #include "test_util.h" #include "util.h" #include "resize_effect.h" #include "ycbcr_422interleaved_input.h" using namespace std; namespace movit { // Adapted from the Simple444 test from YCbCrInputTest. TEST(YCbCr422InterleavedInputTest, Simple422) { const int width = 2; const int height = 5; // Pure-color test inputs, calculated with the formulas in Rec. 601 // section 2.5.4. unsigned char uyvy[width * height * 2] = { /*U=*/128, /*Y=*/ 16, /*V=*/128, /*Y=*/ 16, /*U=*/128, /*Y=*/235, /*V=*/128, /*Y=*/235, /*U=*/ 90, /*Y=*/ 81, /*V=*/240, /*Y=*/ 81, /*U=*/ 54, /*Y=*/145, /*V=*/ 34, /*Y=*/145, /*U=*/240, /*Y=*/ 41, /*V=*/110, /*Y=*/ 41, }; float expected_data[4 * width * height] = { 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 0.0, 0.0, 1.0, 1.0, 0.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 0.0, 1.0, 1.0, 0.0, 0.0, 1.0, 1.0, }; float out_data[4 * width * height]; EffectChainTester tester(nullptr, width, height); ImageFormat format; format.color_space = COLORSPACE_sRGB; format.gamma_curve = GAMMA_sRGB; YCbCrFormat ycbcr_format; ycbcr_format.luma_coefficients = YCBCR_REC_601; ycbcr_format.full_range = false; ycbcr_format.num_levels = 256; ycbcr_format.chroma_subsampling_x = 2; ycbcr_format.chroma_subsampling_y = 1; ycbcr_format.cb_x_position = 0.0f; // Doesn't really matter here, since Y is constant. ycbcr_format.cb_y_position = 0.5f; ycbcr_format.cr_x_position = 0.0f; ycbcr_format.cr_y_position = 0.5f; YCbCr422InterleavedInput *input = new YCbCr422InterleavedInput(format, ycbcr_format, width, height); input->set_pixel_data(uyvy); tester.get_chain()->add_input(input); tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_sRGB); // Y'CbCr isn't 100% accurate (the input values are rounded), // so we need some leeway. expect_equal(expected_data, out_data, 4 * width, height, 0.025, 0.002); } // An effect that does nothing except changing its output sizes. class VirtualResizeEffect : public Effect { public: VirtualResizeEffect(int width, int height, int virtual_width, int virtual_height) : width(width), height(height), virtual_width(virtual_width), virtual_height(virtual_height) {} string effect_type_id() const override { return "VirtualResizeEffect"; } string output_fragment_shader() override { return read_file("identity.frag"); } bool changes_output_size() const override { return true; } void get_output_size(unsigned *width, unsigned *height, unsigned *virtual_width, unsigned *virtual_height) const override { *width = this->width; *height = this->height; *virtual_width = this->virtual_width; *virtual_height = this->virtual_height; } private: int width, height, virtual_width, virtual_height; }; TEST(YCbCr422InterleavedInputTest, LumaLinearInterpolation) { const int width = 4; const int height = 1; const int out_width = width * 3; // Black, white, black and then gray. unsigned char uyvy[width * height * 2] = { /*U=*/128, /*Y=*/ 16, /*V=*/128, /*Y=*/235, /*U=*/128, /*Y=*/ 16, /*V=*/128, /*Y=*/128, }; float expected_data[out_width * height] = { 0.0, /**/0.0, 0.333, 0.667, /**/1.0, 0.667, 0.333, /**/0.0, 0.167, 0.333, /**/0.5, 0.5 }; float out_data[out_width * height]; EffectChainTester tester(nullptr, out_width, height); ImageFormat format; format.color_space = COLORSPACE_sRGB; format.gamma_curve = GAMMA_sRGB; YCbCrFormat ycbcr_format; ycbcr_format.luma_coefficients = YCBCR_REC_601; ycbcr_format.full_range = false; ycbcr_format.num_levels = 256; ycbcr_format.chroma_subsampling_x = 2; ycbcr_format.chroma_subsampling_y = 1; ycbcr_format.cb_x_position = 0.0f; // Doesn't really matter here, since U/V are constant. ycbcr_format.cb_y_position = 0.5f; ycbcr_format.cr_x_position = 0.0f; ycbcr_format.cr_y_position = 0.5f; YCbCr422InterleavedInput *input = new YCbCr422InterleavedInput(format, ycbcr_format, width, height); input->set_pixel_data(uyvy); tester.get_chain()->add_input(input); tester.get_chain()->add_effect(new VirtualResizeEffect(out_width, height, out_width, height)); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_sRGB); // Y'CbCr isn't 100% accurate (the input values are rounded), // so we need some leeway. expect_equal(expected_data, out_data, out_width, height, 0.025, 0.002); } // Adapted from the YCbCrInput test of the same name. TEST(YCbCr422InterleavedInputTest, DifferentCbAndCrPositioning) { const int width = 4; const int height = 4; unsigned char uyvy[width * height * 2] = { /*U=*/ 64, /*Y=*/126, /*V=*/ 48, /*Y=*/126, /*U=*/128, /*Y=*/126, /*V=*/128, /*Y=*/126, /*U=*/128, /*Y=*/126, /*V=*/128, /*Y=*/126, /*U=*/192, /*Y=*/126, /*V=*/208, /*Y=*/126, /*U=*/128, /*Y=*/126, /*V=*/128, /*Y=*/126, /*U=*/128, /*Y=*/126, /*V=*/128, /*Y=*/126, /*U=*/128, /*Y=*/126, /*V=*/128, /*Y=*/126, /*U=*/128, /*Y=*/126, /*V=*/128, /*Y=*/126, }; // Chroma samples in this case are always co-sited with a luma sample; // their associated color values and position are marked off in comments. float expected_data_blue[width * height] = { 0.000 /* 0.0 */, 0.250, 0.500 /* 0.5 */, 0.500, 0.500 /* 0.5 */, 0.750, 1.000 /* 1.0 */, 1.000, 0.500 /* 0.5 */, 0.500, 0.500 /* 0.5 */, 0.500, 0.500 /* 0.5 */, 0.500, 0.500 /* 0.5 */, 0.500, }; float expected_data_red[width * height] = { 0.000, 0.000 /* 0.0 */, 0.250, 0.500 /* 0.5 */, 0.500, 0.500 /* 0.5 */, 0.750, 1.000 /* 1.0 */, 0.500, 0.500 /* 0.5 */, 0.500, 0.500 /* 0.5 */, 0.500, 0.500 /* 0.5 */, 0.500, 0.500 /* 0.5 */, }; float out_data[width * height]; EffectChainTester tester(nullptr, width, height); ImageFormat format; format.color_space = COLORSPACE_sRGB; format.gamma_curve = GAMMA_sRGB; YCbCrFormat ycbcr_format; ycbcr_format.luma_coefficients = YCBCR_REC_601; ycbcr_format.full_range = false; ycbcr_format.num_levels = 256; ycbcr_format.chroma_subsampling_x = 2; ycbcr_format.chroma_subsampling_y = 1; ycbcr_format.cb_x_position = 0.0f; ycbcr_format.cb_y_position = 0.5f; ycbcr_format.cr_x_position = 1.0f; ycbcr_format.cr_y_position = 0.5f; YCbCr422InterleavedInput *input = new YCbCr422InterleavedInput(format, ycbcr_format, width, height); input->set_pixel_data(uyvy); tester.get_chain()->add_input(input); // Y'CbCr isn't 100% accurate (the input values are rounded), // so we need some leeway. tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_sRGB); expect_equal(expected_data_red, out_data, width, height, 0.02, 0.002); tester.run(out_data, GL_BLUE, COLORSPACE_sRGB, GAMMA_sRGB); expect_equal(expected_data_blue, out_data, width, height, 0.01, 0.001); } TEST(YCbCr422InterleavedInputTest, PBO) { const int width = 2; const int height = 5; // Pure-color test inputs, calculated with the formulas in Rec. 601 // section 2.5.4. unsigned char uyvy[width * height * 2] = { /*U=*/128, /*Y=*/ 16, /*V=*/128, /*Y=*/ 16, /*U=*/128, /*Y=*/235, /*V=*/128, /*Y=*/235, /*U=*/ 90, /*Y=*/ 81, /*V=*/240, /*Y=*/ 81, /*U=*/ 54, /*Y=*/145, /*V=*/ 34, /*Y=*/145, /*U=*/240, /*Y=*/ 41, /*V=*/110, /*Y=*/ 41, }; float expected_data[4 * width * height] = { 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 0.0, 0.0, 1.0, 1.0, 0.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 0.0, 1.0, 1.0, 0.0, 0.0, 1.0, 1.0, }; float out_data[4 * width * height]; GLuint pbo; glGenBuffers(1, &pbo); glBindBuffer(GL_PIXEL_UNPACK_BUFFER_ARB, pbo); glBufferData(GL_PIXEL_UNPACK_BUFFER_ARB, width * height * 2, uyvy, GL_STREAM_DRAW); glBindBuffer(GL_PIXEL_UNPACK_BUFFER_ARB, 0); EffectChainTester tester(nullptr, width, height); ImageFormat format; format.color_space = COLORSPACE_sRGB; format.gamma_curve = GAMMA_sRGB; YCbCrFormat ycbcr_format; ycbcr_format.luma_coefficients = YCBCR_REC_601; ycbcr_format.full_range = false; ycbcr_format.num_levels = 256; ycbcr_format.chroma_subsampling_x = 2; ycbcr_format.chroma_subsampling_y = 1; ycbcr_format.cb_x_position = 0.0f; // Doesn't really matter here, since Y is constant. ycbcr_format.cb_y_position = 0.5f; ycbcr_format.cr_x_position = 0.0f; ycbcr_format.cr_y_position = 0.5f; YCbCr422InterleavedInput *input = new YCbCr422InterleavedInput(format, ycbcr_format, width, height); input->set_pixel_data((unsigned char *)BUFFER_OFFSET(0), pbo); tester.get_chain()->add_input(input); tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_sRGB); // Y'CbCr isn't 100% accurate (the input values are rounded), // so we need some leeway. expect_equal(expected_data, out_data, 4 * width, height, 0.025, 0.002); glDeleteBuffers(1, &pbo); } } // namespace movit movit-1.7.1/lift_gamma_gain_effect_test.cpp0000644000175000017500000001062414462263704020074 0ustar sessesesse// Unit tests for LiftGammaGainEffect. #include #include "effect_chain.h" #include "gtest/gtest.h" #include "image_format.h" #include "lift_gamma_gain_effect.h" #include "test_util.h" namespace movit { TEST(LiftGammaGainEffectTest, DefaultIsNoop) { float data[] = { 0.0f, 0.0f, 0.0f, 1.0f, 0.5f, 0.5f, 0.5f, 0.3f, 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f, 0.0f, 0.7f, 0.0f, 0.0f, 1.0f, 1.0f, }; float out_data[5 * 4]; EffectChainTester tester(data, 1, 5, FORMAT_RGBA_POSTMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_LINEAR); tester.get_chain()->add_effect(new LiftGammaGainEffect()); tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(data, out_data, 4, 5); } TEST(LiftGammaGainEffectTest, Gain) { float data[] = { 0.0f, 0.0f, 0.0f, 1.0f, 0.5f, 0.5f, 0.5f, 0.3f, 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f, 0.0f, 0.7f, 0.0f, 0.0f, 1.0f, 1.0f, }; float gain[3] = { 0.8f, 1.0f, 1.2f }; float expected_data[] = { 0.0f, 0.0f, 0.0f, 1.0f, 0.4f, 0.5f, 0.6f, 0.3f, 0.8f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f, 0.0f, 0.7f, 0.0f, 0.0f, 1.2f, 1.0f, }; float out_data[5 * 4]; EffectChainTester tester(data, 1, 5, FORMAT_RGBA_POSTMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_LINEAR); Effect *lgg_effect = tester.get_chain()->add_effect(new LiftGammaGainEffect()); ASSERT_TRUE(lgg_effect->set_vec3("gain", gain)); tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(expected_data, out_data, 4, 5); } TEST(LiftGammaGainEffectTest, LiftIsDoneInApproximatelysRGB) { float data[] = { 0.0f, 0.0f, 0.0f, 1.0f, 0.5f, 0.5f, 0.5f, 0.3f, 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f, 0.0f, 0.7f, 0.0f, 0.0f, 1.0f, 1.0f, }; float lift[3] = { 0.0f, 0.1f, 0.2f }; float expected_data[] = { 0.0f, 0.1f , 0.2f, 1.0f, 0.5f, 0.55f, 0.6f, 0.3f, 1.0f, 0.1f, 0.2f, 1.0f, 0.0f, 1.0f, 0.2f, 0.7f, 0.0f, 0.1f, 1.0f, 1.0f, }; float out_data[5 * 4]; EffectChainTester tester(data, 1, 5, FORMAT_RGBA_POSTMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_sRGB); Effect *lgg_effect = tester.get_chain()->add_effect(new LiftGammaGainEffect()); ASSERT_TRUE(lgg_effect->set_vec3("lift", lift)); tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_sRGB); // sRGB is only approximately gamma-2.2, so loosen up the limits a bit. expect_equal(expected_data, out_data, 4, 5, 0.03, 0.003); } TEST(LiftGammaGainEffectTest, Gamma22IsApproximatelysRGB) { float data[] = { 0.0f, 0.0f, 0.0f, 1.0f, 0.5f, 0.5f, 0.5f, 0.3f, 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f, 0.0f, 0.7f, 0.0f, 0.0f, 1.0f, 1.0f, }; float gamma[3] = { 2.2f, 2.2f, 2.2f }; float out_data[5 * 4]; EffectChainTester tester(data, 1, 5, FORMAT_RGBA_POSTMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_sRGB); Effect *lgg_effect = tester.get_chain()->add_effect(new LiftGammaGainEffect()); ASSERT_TRUE(lgg_effect->set_vec3("gamma", gamma)); tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(data, out_data, 4, 5); } TEST(LiftGammaGainEffectTest, OutOfGamutColorsAreClipped) { float data[] = { -0.5f, 0.3f, 0.0f, 1.0f, 0.5f, 0.0f, 0.0f, 1.0f, 0.0f, 1.5f, 0.5f, 0.3f, }; float expected_data[] = { 0.0f, 0.3f, 0.0f, 1.0f, // Clipped to zero. 0.5f, 0.0f, 0.0f, 1.0f, 0.0f, 1.5f, 0.5f, 0.3f, }; float out_data[3 * 4]; EffectChainTester tester(data, 1, 3, FORMAT_RGBA_POSTMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_LINEAR); tester.get_chain()->add_effect(new LiftGammaGainEffect()); tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(expected_data, out_data, 4, 3); } TEST(LiftGammaGainEffectTest, NegativeLiftIsClamped) { float data[] = { 0.0f, 0.0f, 0.0f, 1.0f, 0.5f, 0.5f, 0.5f, 0.3f, 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f, 0.0f, 0.7f, 0.0f, 0.0f, 1.0f, 1.0f, }; float lift[3] = { 0.0f, -0.1f, -0.2f }; float expected_data[] = { 0.0f, 0.0f , 0.0f, 1.0f, // Note: Clamped below zero. 0.5f, 0.45f, 0.4f, 0.3f, 1.0f, 0.0f, 0.0f, 1.0f, // Unaffected. 0.0f, 1.0f, 0.0f, 0.7f, 0.0f, 0.0f, 1.0f, 1.0f, }; float out_data[5 * 4]; EffectChainTester tester(data, 1, 5, FORMAT_RGBA_POSTMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_sRGB); Effect *lgg_effect = tester.get_chain()->add_effect(new LiftGammaGainEffect()); ASSERT_TRUE(lgg_effect->set_vec3("lift", lift)); tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_sRGB); // sRGB is only approximately gamma-2.2, so loosen up the limits a bit. expect_equal(expected_data, out_data, 4, 5, 0.03, 0.003); } } // namespace movit movit-1.7.1/white_balance_effect_test.cpp0000644000175000017500000000717314462263704017570 0ustar sessesesse// Unit tests for WhiteBalanceEffect. #include #include "effect_chain.h" #include "gtest/gtest.h" #include "image_format.h" #include "test_util.h" #include "white_balance_effect.h" namespace movit { TEST(WhiteBalanceEffectTest, GrayNeutralDoesNothing) { float data[] = { 0.0f, 0.0f, 0.0f, 1.0f, 0.5f, 0.5f, 0.5f, 0.3f, 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f, 0.0f, 0.7f, 0.0f, 0.0f, 1.0f, 1.0f, }; float neutral[] = { 0.5f, 0.5f, 0.5f }; float out_data[5 * 4]; EffectChainTester tester(data, 1, 5, FORMAT_RGBA_POSTMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_LINEAR); Effect *white_balance_effect = tester.get_chain()->add_effect(new WhiteBalanceEffect()); ASSERT_TRUE(white_balance_effect->set_vec3("neutral_color", neutral)); tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(data, out_data, 4, 5); } TEST(WhiteBalanceEffectTest, SettingReddishNeutralColorNeutralizesReddishColor) { float data[] = { 0.0f, 0.0f, 0.0f, 1.0f, 0.6f, 0.5f, 0.5f, 1.0f, 0.5f, 0.5f, 0.5f, 1.0f, }; float neutral[] = { 0.6f, 0.5f, 0.5f }; float out_data[3 * 4]; EffectChainTester tester(data, 1, 3, FORMAT_RGBA_POSTMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_LINEAR); Effect *white_balance_effect = tester.get_chain()->add_effect(new WhiteBalanceEffect()); ASSERT_TRUE(white_balance_effect->set_vec3("neutral_color", neutral)); tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR); // Black should stay black. EXPECT_FLOAT_EQ(0.0f, out_data[4 * 0 + 0]); EXPECT_FLOAT_EQ(0.0f, out_data[4 * 0 + 1]); EXPECT_FLOAT_EQ(0.0f, out_data[4 * 0 + 2]); EXPECT_FLOAT_EQ(1.0f, out_data[4 * 0 + 3]); // The neutral color should now have R=G=B. EXPECT_NEAR(out_data[4 * 1 + 0], out_data[4 * 1 + 1], 0.001); EXPECT_NEAR(out_data[4 * 1 + 0], out_data[4 * 1 + 2], 0.001); EXPECT_FLOAT_EQ(1.0f, out_data[4 * 1 + 3]); // It should also have kept its luminance. float old_luminance = 0.2126 * data[4 * 1 + 0] + 0.7152 * data[4 * 1 + 1] + 0.0722 * data[4 * 1 + 2]; float new_luminance = 0.2126 * out_data[4 * 1 + 0] + 0.7152 * out_data[4 * 1 + 1] + 0.0722 * out_data[4 * 1 + 2]; EXPECT_NEAR(old_luminance, new_luminance, 0.001); // Finally, the old gray should now have significantly less red than green and blue. EXPECT_GT(out_data[4 * 2 + 1] - out_data[4 * 2 + 0], 0.05); EXPECT_GT(out_data[4 * 2 + 2] - out_data[4 * 2 + 0], 0.05); } TEST(WhiteBalanceEffectTest, HigherColorTemperatureIncreasesBlue) { float data[] = { 0.0f, 0.0f, 0.0f, 1.0f, 0.5f, 0.5f, 0.5f, 1.0f, }; float out_data[2 * 4]; EffectChainTester tester(data, 1, 2, FORMAT_RGBA_POSTMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_LINEAR); Effect *white_balance_effect = tester.get_chain()->add_effect(new WhiteBalanceEffect()); ASSERT_TRUE(white_balance_effect->set_float("output_color_temperature", 10000.0f)); tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR); // Black should stay black. EXPECT_FLOAT_EQ(0.0f, out_data[4 * 0 + 0]); EXPECT_FLOAT_EQ(0.0f, out_data[4 * 0 + 1]); EXPECT_FLOAT_EQ(0.0f, out_data[4 * 0 + 2]); EXPECT_FLOAT_EQ(1.0f, out_data[4 * 0 + 3]); // The neutral color should have kept its luminance. float old_luminance = 0.2126 * data[4 * 1 + 0] + 0.7152 * data[4 * 1 + 1] + 0.0722 * data[4 * 1 + 2]; float new_luminance = 0.2126 * out_data[4 * 1 + 0] + 0.7152 * out_data[4 * 1 + 1] + 0.0722 * out_data[4 * 1 + 2]; EXPECT_NEAR(old_luminance, new_luminance, 0.001); // It should also have significantly more blue then green, // and significantly less red than green. EXPECT_GT(out_data[4 * 1 + 2] - out_data[4 * 1 + 1], 0.05); EXPECT_GT(out_data[4 * 1 + 1] - out_data[4 * 1 + 0], 0.05); } } // namespace movit movit-1.7.1/gamma_expansion_effect_test.cpp0000644000175000017500000002017414462263704020145 0ustar sessesesse// Unit tests for GammaExpansionEffect. #include #include #include "gamma_expansion_effect.h" #include "gtest/gtest.h" #include "gtest/gtest-message.h" #include "test_util.h" namespace movit { TEST(GammaExpansionEffectTest, sRGB_KeyValues) { float data[] = { 0.0f, 1.0f, 0.040f, 0.041f, // On either side of the discontinuity. }; float expected_data[] = { 0.0f, 1.0f, 0.00309f, 0.00317f, }; float out_data[4]; EffectChainTester tester(data, 2, 2, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_sRGB); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(expected_data, out_data, 2, 2); } TEST(GammaExpansionEffectTest, sRGB_RampAlwaysIncreases) { float data[256], out_data[256]; for (unsigned i = 0; i < 256; ++i) { data[i] = i / 255.0f; } EffectChainTester tester(data, 256, 1, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_sRGB); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); for (unsigned i = 1; i < 256; ++i) { EXPECT_GT(out_data[i], out_data[i - 1]) << "No increase between " << i-1 << " and " << i; } } TEST(GammaExpansionEffectTest, sRGB_AlphaIsUnchanged) { float data[] = { 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.25f, 0.0f, 0.0f, 0.0f, 0.5f, 0.0f, 0.0f, 0.0f, 0.75f, 0.0f, 0.0f, 0.0f, 1.0f, }; float out_data[5 * 4]; EffectChainTester tester(data, 5, 1, FORMAT_RGBA_POSTMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_sRGB); tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(data, out_data, 5, 1); } TEST(GammaExpansionEffectTest, sRGB_Accuracy) { float data[256], expected_data[256], out_data[256]; for (int i = 0; i < 256; ++i) { double x = i / 255.0; data[i] = x; expected_data[i] = srgb_to_linear(x); } EffectChainTester tester(data, 256, 1, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_sRGB, GL_RGBA32F); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); // Accuracy limits; for comparison, limits for a straightforward ALU solution // (using a branch and pow()) in parenthesis, used as a “high anchor” to // indicate limitations of float arithmetic etc.: // // Maximum absolute error: 0.1% of max energy (0.051%) // Maximum relative error: 2.5% of correct answer (0.093%) // 25% of difference to next pixel level (6.18%) // Allowed RMS error: 0.0001 (0.000010) // test_accuracy(expected_data, out_data, 256, 1e-3, 0.025, 0.25, 1e-4); } TEST(GammaExpansionEffectTest, Rec709_KeyValues) { float data[] = { 0.0f, 1.0f, 0.080f, 0.082f, // On either side of the discontinuity. }; float expected_data[] = { 0.0f, 1.0f, 0.017778f, 0.018167f, }; float out_data[4]; EffectChainTester tester(data, 2, 2, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_REC_709); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(expected_data, out_data, 2, 2); } TEST(GammaExpansionEffectTest, Rec709_RampAlwaysIncreases) { float data[256], out_data[256]; for (unsigned i = 0; i < 256; ++i) { data[i] = i / 255.0f; } EffectChainTester tester(data, 256, 1, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_REC_709); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); for (unsigned i = 1; i < 256; ++i) { EXPECT_GT(out_data[i], out_data[i - 1]) << "No increase between " << i-1 << " and " << i; } } TEST(GammaExpansionEffectTest, Rec709_AlphaIsUnchanged) { float data[] = { 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.25f, 0.0f, 0.0f, 0.0f, 0.5f, 0.0f, 0.0f, 0.0f, 0.75f, 0.0f, 0.0f, 0.0f, 1.0f, }; float out_data[5 * 4]; EffectChainTester tester(data, 5, 1, FORMAT_RGBA_POSTMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_REC_709); tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(data, out_data, 5, 1); } TEST(GammaExpansionEffectTest, Rec709_Accuracy) { float data[256], expected_data[256], out_data[256]; for (int i = 0; i < 256; ++i) { double x = i / 255.0; data[i] = x; // Rec. 2020, page 3. if (x < 0.018 * 4.5) { expected_data[i] = x / 4.5; } else { expected_data[i] = pow((x + 0.099) / 1.099, 1.0 / 0.45); } } EffectChainTester tester(data, 256, 1, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_REC_709, GL_RGBA32F); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); // Accuracy limits; for comparison, limits for a straightforward ALU solution // (using a branch and pow()) in parenthesis, used as a “high anchor” to // indicate limitations of float arithmetic etc.: // // Maximum absolute error: 0.1% of max energy (0.046%) // Maximum relative error: 1.0% of correct answer (0.080%) // 10% of difference to next pixel level (6.19%) // Allowed RMS error: 0.0001 (0.000010) // test_accuracy(expected_data, out_data, 256, 1e-3, 0.01, 0.1, 1e-4); } // This test tests the same gamma ramp as Rec709_Accuracy, but with 10-bit // input range and somewhat looser error bounds. (One could claim that this is // already on the limit of what we can reasonably do with fp16 input, if you // look at the local relative error.) TEST(GammaExpansionEffectTest, Rec2020_10Bit_Accuracy) { float data[1024], expected_data[1024], out_data[1024]; for (int i = 0; i < 1024; ++i) { double x = i / 1023.0; data[i] = x; // Rec. 2020, page 3. if (x < 0.018 * 4.5) { expected_data[i] = x / 4.5; } else { expected_data[i] = pow((x + 0.099) / 1.099, 1.0 / 0.45); } } EffectChainTester tester(data, 1024, 1, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_REC_2020_10_BIT, GL_RGBA32F); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); // Accuracy limits; for comparison, limits for a straightforward ALU solution // (using a branch and pow()) in parenthesis, used as a “high anchor” to // indicate limitations of float arithmetic etc.: // // Maximum absolute error: 0.1% of max energy (0.036%) // Maximum relative error: 1.0% of correct answer (0.064%) // 30% of difference to next pixel level (24.9%) // Allowed RMS error: 0.0001 (0.000005) // test_accuracy(expected_data, out_data, 1024, 1e-3, 0.01, 0.30, 1e-4); } TEST(GammaExpansionEffectTest, Rec2020_12BitIsVeryCloseToRec709) { float data[256]; for (unsigned i = 0; i < 256; ++i) { data[i] = i / 255.0f; } float out_data_709[256]; float out_data_2020[256]; EffectChainTester tester(data, 256, 1, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_REC_709); tester.run(out_data_709, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); EffectChainTester tester2(data, 256, 1, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_REC_2020_12_BIT); tester2.run(out_data_2020, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); double sqdiff = 0.0; for (unsigned i = 0; i < 256; ++i) { EXPECT_NEAR(out_data_709[i], out_data_2020[i], 1e-3); sqdiff += (out_data_709[i] - out_data_2020[i]) * (out_data_709[i] - out_data_2020[i]); } EXPECT_GT(sqdiff, 1e-6); } // The fp16 _input_ provided by FlatInput is not enough to distinguish between // all of the possible 12-bit input values (every other level translates to the // same value). Thus, this test has extremely loose bounds; if we ever decide // to start supporting fp32, we should re-run this and tighten them a lot. TEST(GammaExpansionEffectTest, Rec2020_12Bit_Inaccuracy) { float data[4096], expected_data[4096], out_data[4096]; for (int i = 0; i < 4096; ++i) { double x = i / 4095.0; data[i] = x; // Rec. 2020, page 3. if (x < 0.0181 * 4.5) { expected_data[i] = x / 4.5; } else { expected_data[i] = pow((x + 0.0993) / 1.0993, 1.0/0.45); } } EffectChainTester tester(data, 4096, 1, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_REC_2020_12_BIT, GL_RGBA32F); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); // Accuracy limits; for comparison, limits for a straightforward ALU solution // (using a branch and pow()) in parenthesis, used as a “high anchor” to // indicate limitations of float arithmetic etc.: // // Maximum absolute error: 0.1% of max energy (0.050%) // Maximum relative error: 1.0% of correct answer (0.050%) // 250% of difference to next pixel level (100.00%) // Allowed RMS error: 0.0001 (0.000003) // test_accuracy(expected_data, out_data, 4096, 1e-3, 0.01, 2.50, 1e-4); } } // namespace movit movit-1.7.1/gamma_compression_effect_test.cpp0000644000175000017500000001611614462263704020503 0ustar sessesesse// Unit tests for GammaCompressionEffect. // // Pretty much the inverse of the GammaExpansionEffect tests; // EffectChainTest tests that they are actually inverses. // However, the accuracy tests are somewhat simpler, since we // only need to care about absolute errors and not relative. #include #include #include "gtest/gtest.h" #include "gtest/gtest-message.h" #include "image_format.h" #include "test_util.h" namespace movit { TEST(GammaCompressionEffectTest, sRGB_KeyValues) { float data[] = { 0.0f, 1.0f, 0.00309f, 0.00317f, // On either side of the discontinuity. -0.5f, 1.5f, // To check clamping. }; float expected_data[] = { 0.0f, 1.0f, 0.040f, 0.041f, 0.0f, 1.0f, }; float out_data[6]; EffectChainTester tester(data, 2, 3, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_sRGB); expect_equal(expected_data, out_data, 2, 3); } TEST(GammaCompressionEffectTest, sRGB_RampAlwaysIncreases) { float data[256], out_data[256]; for (unsigned i = 0; i < 256; ++i) { data[i] = i / 255.0f; } EffectChainTester tester(data, 256, 1, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_sRGB); for (unsigned i = 1; i < 256; ++i) { EXPECT_GT(out_data[i], out_data[i - 1]) << "No increase between " << i-1 << " and " << i; } } TEST(GammaCompressionEffectTest, sRGB_Accuracy) { float data[256], expected_data[256], out_data[256]; for (int i = 0; i < 256; ++i) { double x = i / 255.0; expected_data[i] = x; data[i] = srgb_to_linear(x); } EffectChainTester tester(data, 256, 1, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR, GL_RGBA32F); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_sRGB); // Maximum absolute error is 25% of one pixel level. For comparison, // a straightforward ALU solution (using a branch and pow()), used as a // “high anchor” to indicate limitations of float arithmetic etc., // reaches maximum absolute error of 3.7% of one pixel level // and rms of 3.2e-6. expect_equal(expected_data, out_data, 256, 1, 0.25 / 255.0, 1e-4); } TEST(GammaCompressionEffectTest, Rec709_KeyValues) { float data[] = { 0.0f, 1.0f, 0.017778f, 0.018167f, // On either side of the discontinuity. }; float expected_data[] = { 0.0f, 1.0f, 0.080f, 0.082f, }; float out_data[4]; EffectChainTester tester(data, 2, 2, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_REC_709); expect_equal(expected_data, out_data, 2, 2); } TEST(GammaCompressionEffectTest, Rec709_RampAlwaysIncreases) { float data[256], out_data[256]; for (unsigned i = 0; i < 256; ++i) { data[i] = i / 255.0f; } EffectChainTester tester(data, 256, 1, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_REC_709); for (unsigned i = 1; i < 256; ++i) { EXPECT_GT(out_data[i], out_data[i - 1]) << "No increase between " << i-1 << " and " << i; } } TEST(GammaCompressionEffectTest, Rec709_Accuracy) { float data[256], expected_data[256], out_data[256]; for (int i = 0; i < 256; ++i) { double x = i / 255.0; expected_data[i] = x; // Rec. 2020, page 3. if (x < 0.018 * 4.5) { data[i] = x / 4.5; } else { data[i] = pow((x + 0.099) / 1.099, 1.0 / 0.45); } } EffectChainTester tester(data, 256, 1, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR, GL_RGBA32F); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_REC_709); // Maximum absolute error is 25% of one pixel level. For comparison, // a straightforward ALU solution (using a branch and pow()), used as a // “high anchor” to indicate limitations of float arithmetic etc., // reaches maximum absolute error of 3.7% of one pixel level // and rms of 3.5e-6. expect_equal(expected_data, out_data, 256, 1, 0.25 / 255.0, 1e-5); } // This test tests the same gamma ramp as Rec709_Accuracy, but with 10-bit // input range and somewhat looser error bounds. (One could claim that this is // already on the limit of what we can reasonably do with fp16 input, if you // look at the local relative error.) TEST(GammaCompressionEffectTest, Rec2020_10Bit_Accuracy) { float data[1024], expected_data[1024], out_data[1024]; for (int i = 0; i < 1024; ++i) { double x = i / 1023.0; expected_data[i] = x; // Rec. 2020, page 3. if (x < 0.018 * 4.5) { data[i] = x / 4.5; } else { data[i] = pow((x + 0.099) / 1.099, 1.0 / 0.45); } } EffectChainTester tester(data, 1024, 1, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR, GL_RGBA32F); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_REC_2020_10_BIT); // Maximum absolute error is 30% of one pixel level. For comparison, // a straightforward ALU solution (using a branch and pow()), used as a // “high anchor” to indicate limitations of float arithmetic etc., // reaches maximum absolute error of 25.2% of one pixel level // and rms of 1.8e-6, so this is probably mostly related to input precision. expect_equal(expected_data, out_data, 1024, 1, 0.30 / 1023.0, 1e-5); } TEST(GammaCompressionEffectTest, Rec2020_12BitIsVeryCloseToRec709) { float data[4096]; for (unsigned i = 0; i < 4096; ++i) { data[i] = i / 4095.0f; } float out_data_709[4096]; float out_data_2020[4096]; EffectChainTester tester(data, 4096, 1, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR); tester.run(out_data_709, GL_RED, COLORSPACE_sRGB, GAMMA_REC_709); EffectChainTester tester2(data, 4096, 1, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR); tester2.run(out_data_2020, GL_RED, COLORSPACE_sRGB, GAMMA_REC_2020_12_BIT); double sqdiff = 0.0; for (unsigned i = 0; i < 4096; ++i) { EXPECT_NEAR(out_data_709[i], out_data_2020[i], 0.001); sqdiff += (out_data_709[i] - out_data_2020[i]) * (out_data_709[i] - out_data_2020[i]); } EXPECT_GT(sqdiff, 1e-6); } // The fp16 _input_ provided by FlatInput is not enough to distinguish between // all of the possible 12-bit input values (every other level translates to the // same value). Thus, this test has extremely loose bounds; if we ever decide // to start supporting fp32, we should re-run this and tighten them a lot. TEST(GammaCompressionEffectTest, Rec2020_12Bit_Inaccuracy) { float data[4096], expected_data[4096], out_data[4096]; for (int i = 0; i < 4096; ++i) { double x = i / 4095.0; expected_data[i] = x; // Rec. 2020, page 3. if (x < 0.0181 * 4.5) { data[i] = x / 4.5; } else { data[i] = pow((x + 0.0993) / 1.0993, 1.0 / 0.45); } } EffectChainTester tester(data, 4096, 1, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR, GL_RGBA32F); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_REC_2020_12_BIT); // Maximum absolute error is 120% of one pixel level. For comparison, // a straightforward ALU solution (using a branch and pow()), used as a // “high anchor” to indicate limitations of float arithmetic etc., // reaches maximum absolute error of 71.1% of one pixel level // and rms of 0.9e-6, so this is probably a combination of input // precision and inaccuracies in the polynomial approximation. expect_equal(expected_data, out_data, 4096, 1, 1.2 / 4095.0, 1e-5); } } // namespace movit movit-1.7.1/colorspace_conversion_effect_test.cpp0000644000175000017500000002517014462263704021377 0ustar sessesesse// Unit tests for ColorspaceConversionEffect. #include #include "colorspace_conversion_effect.h" #include "gtest/gtest.h" #include "test_util.h" namespace movit { TEST(ColorspaceConversionEffectTest, Reversible) { float data[] = { 0.0f, 0.0f, 0.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f, 0.0f, 1.0f, 0.0f, 0.0f, 1.0f, 1.0f, 0.0f, 1.0f, 1.0f, 0.5f, }; float temp_data[4 * 6], out_data[4 * 6]; { EffectChainTester tester(data, 1, 6, FORMAT_RGBA_POSTMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_LINEAR); tester.run(temp_data, GL_RGBA, COLORSPACE_REC_601_525, GAMMA_LINEAR); } { EffectChainTester tester(temp_data, 1, 6, FORMAT_RGBA_POSTMULTIPLIED_ALPHA, COLORSPACE_REC_601_525, GAMMA_LINEAR); tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR); } expect_equal(data, out_data, 4, 6); } TEST(ColorspaceConversionEffectTest, sRGB_Primaries) { float data[] = { 0.0f, 0.0f, 0.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f, 0.0f, 1.0f, 0.0f, 0.0f, 1.0f, 1.0f, }; float out_data[4 * 5]; EffectChainTester tester(data, 1, 5, FORMAT_RGBA_POSTMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_LINEAR, GL_RGBA32F); tester.run(out_data, GL_RGBA, COLORSPACE_XYZ, GAMMA_LINEAR); // Black should stay black. EXPECT_FLOAT_EQ(0.0f, out_data[0 * 4 + 0]); EXPECT_FLOAT_EQ(0.0f, out_data[0 * 4 + 1]); EXPECT_FLOAT_EQ(0.0f, out_data[0 * 4 + 2]); EXPECT_FLOAT_EQ(1.0f, out_data[0 * 4 + 3]); // White point should be D65. // XYZ values from http://en.wikipedia.org/wiki/CIE_Standard_Illuminant_D65. EXPECT_NEAR(0.9505, out_data[1 * 4 + 0], 1e-3); EXPECT_NEAR(1.0000, out_data[1 * 4 + 1], 1e-3); EXPECT_NEAR(1.0889, out_data[1 * 4 + 2], 1e-3); EXPECT_FLOAT_EQ(1.0f, out_data[1 * 4 + 3]); float white_xyz_sum = out_data[1 * 4 + 0] + out_data[1 * 4 + 1] + out_data[1 * 4 + 2]; float white_x = out_data[1 * 4 + 0] / white_xyz_sum; float white_y = out_data[1 * 4 + 1] / white_xyz_sum; EXPECT_NEAR(0.3127, white_x, 1e-3); EXPECT_NEAR(0.3290, white_y, 1e-3); EXPECT_FLOAT_EQ(1.0f, out_data[1 * 4 + 3]); // Convert the primaries from XYZ to xyz, and compare to the references // given by Rec. 709 (which are shared with sRGB). float red_xyz_sum = out_data[2 * 4 + 0] + out_data[2 * 4 + 1] + out_data[2 * 4 + 2]; float red_x = out_data[2 * 4 + 0] / red_xyz_sum; float red_y = out_data[2 * 4 + 1] / red_xyz_sum; EXPECT_NEAR(0.640, red_x, 1e-3); EXPECT_NEAR(0.330, red_y, 1e-3); EXPECT_FLOAT_EQ(1.0f, out_data[2 * 4 + 3]); float green_xyz_sum = out_data[3 * 4 + 0] + out_data[3 * 4 + 1] + out_data[3 * 4 + 2]; float green_x = out_data[3 * 4 + 0] / green_xyz_sum; float green_y = out_data[3 * 4 + 1] / green_xyz_sum; EXPECT_NEAR(0.300, green_x, 1e-3); EXPECT_NEAR(0.600, green_y, 1e-3); EXPECT_FLOAT_EQ(1.0f, out_data[3 * 4 + 3]); float blue_xyz_sum = out_data[4 * 4 + 0] + out_data[4 * 4 + 1] + out_data[4 * 4 + 2]; float blue_x = out_data[4 * 4 + 0] / blue_xyz_sum; float blue_y = out_data[4 * 4 + 1] / blue_xyz_sum; EXPECT_NEAR(0.150, blue_x, 1e-3); EXPECT_NEAR(0.060, blue_y, 1e-3); EXPECT_FLOAT_EQ(1.0f, out_data[4 * 4 + 3]); // The forward matrix should be exactly as specified in the standard, // up to floating-point precision. (We're not compliant with the // inverse matrix, but we should be very close.) EXPECT_FLOAT_EQ(0.4124f, out_data[2 * 4 + 0]); EXPECT_FLOAT_EQ(0.2126f, out_data[2 * 4 + 1]); EXPECT_FLOAT_EQ(0.0193f, out_data[2 * 4 + 2]); EXPECT_FLOAT_EQ(0.3576f, out_data[3 * 4 + 0]); EXPECT_FLOAT_EQ(0.7152f, out_data[3 * 4 + 1]); EXPECT_FLOAT_EQ(0.1192f, out_data[3 * 4 + 2]); EXPECT_FLOAT_EQ(0.1805f, out_data[4 * 4 + 0]); EXPECT_FLOAT_EQ(0.0722f, out_data[4 * 4 + 1]); EXPECT_FLOAT_EQ(0.9505f, out_data[4 * 4 + 2]); } TEST(ColorspaceConversionEffectTest, Rec601_525_Primaries) { float data[] = { 0.0f, 0.0f, 0.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f, 0.0f, 1.0f, 0.0f, 0.0f, 1.0f, 1.0f, }; float out_data[4 * 5]; EffectChainTester tester(data, 1, 5, FORMAT_RGBA_POSTMULTIPLIED_ALPHA, COLORSPACE_REC_601_525, GAMMA_LINEAR); tester.run(out_data, GL_RGBA, COLORSPACE_XYZ, GAMMA_LINEAR); // Black should stay black. EXPECT_FLOAT_EQ(0.0f, out_data[0 * 4 + 0]); EXPECT_FLOAT_EQ(0.0f, out_data[0 * 4 + 1]); EXPECT_FLOAT_EQ(0.0f, out_data[0 * 4 + 2]); EXPECT_FLOAT_EQ(1.0f, out_data[0 * 4 + 3]); // Convert the primaries from XYZ to xyz, and compare to the references // given by Rec. 601. float white_xyz_sum = out_data[1 * 4 + 0] + out_data[1 * 4 + 1] + out_data[1 * 4 + 2]; float white_x = out_data[1 * 4 + 0] / white_xyz_sum; float white_y = out_data[1 * 4 + 1] / white_xyz_sum; EXPECT_NEAR(0.3127, white_x, 1e-3); EXPECT_NEAR(0.3290, white_y, 1e-3); EXPECT_FLOAT_EQ(1.0f, out_data[1 * 4 + 3]); float red_xyz_sum = out_data[2 * 4 + 0] + out_data[2 * 4 + 1] + out_data[2 * 4 + 2]; float red_x = out_data[2 * 4 + 0] / red_xyz_sum; float red_y = out_data[2 * 4 + 1] / red_xyz_sum; EXPECT_NEAR(0.630, red_x, 1e-3); EXPECT_NEAR(0.340, red_y, 1e-3); EXPECT_FLOAT_EQ(1.0f, out_data[2 * 4 + 3]); float green_xyz_sum = out_data[3 * 4 + 0] + out_data[3 * 4 + 1] + out_data[3 * 4 + 2]; float green_x = out_data[3 * 4 + 0] / green_xyz_sum; float green_y = out_data[3 * 4 + 1] / green_xyz_sum; EXPECT_NEAR(0.310, green_x, 1e-3); EXPECT_NEAR(0.595, green_y, 1e-3); EXPECT_FLOAT_EQ(1.0f, out_data[3 * 4 + 3]); float blue_xyz_sum = out_data[4 * 4 + 0] + out_data[4 * 4 + 1] + out_data[4 * 4 + 2]; float blue_x = out_data[4 * 4 + 0] / blue_xyz_sum; float blue_y = out_data[4 * 4 + 1] / blue_xyz_sum; EXPECT_NEAR(0.155, blue_x, 1e-3); EXPECT_NEAR(0.070, blue_y, 1e-3); EXPECT_FLOAT_EQ(1.0f, out_data[4 * 4 + 3]); } TEST(ColorspaceConversionEffectTest, Rec601_625_Primaries) { float data[] = { 0.0f, 0.0f, 0.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f, 0.0f, 1.0f, 0.0f, 0.0f, 1.0f, 1.0f, }; float out_data[4 * 5]; EffectChainTester tester(data, 1, 5, FORMAT_RGBA_POSTMULTIPLIED_ALPHA, COLORSPACE_REC_601_625, GAMMA_LINEAR); tester.run(out_data, GL_RGBA, COLORSPACE_XYZ, GAMMA_LINEAR); // Black should stay black. EXPECT_FLOAT_EQ(0.0f, out_data[0 * 4 + 0]); EXPECT_FLOAT_EQ(0.0f, out_data[0 * 4 + 1]); EXPECT_FLOAT_EQ(0.0f, out_data[0 * 4 + 2]); EXPECT_FLOAT_EQ(1.0f, out_data[0 * 4 + 3]); // Convert the primaries from XYZ to xyz, and compare to the references // given by Rec. 601. float white_xyz_sum = out_data[1 * 4 + 0] + out_data[1 * 4 + 1] + out_data[1 * 4 + 2]; float white_x = out_data[1 * 4 + 0] / white_xyz_sum; float white_y = out_data[1 * 4 + 1] / white_xyz_sum; EXPECT_NEAR(0.3127, white_x, 1e-3); EXPECT_NEAR(0.3290, white_y, 1e-3); EXPECT_FLOAT_EQ(1.0f, out_data[1 * 4 + 3]); float red_xyz_sum = out_data[2 * 4 + 0] + out_data[2 * 4 + 1] + out_data[2 * 4 + 2]; float red_x = out_data[2 * 4 + 0] / red_xyz_sum; float red_y = out_data[2 * 4 + 1] / red_xyz_sum; EXPECT_NEAR(0.640, red_x, 1e-3); EXPECT_NEAR(0.330, red_y, 1e-3); EXPECT_FLOAT_EQ(1.0f, out_data[2 * 4 + 3]); float green_xyz_sum = out_data[3 * 4 + 0] + out_data[3 * 4 + 1] + out_data[3 * 4 + 2]; float green_x = out_data[3 * 4 + 0] / green_xyz_sum; float green_y = out_data[3 * 4 + 1] / green_xyz_sum; EXPECT_NEAR(0.290, green_x, 1e-3); EXPECT_NEAR(0.600, green_y, 1e-3); EXPECT_FLOAT_EQ(1.0f, out_data[3 * 4 + 3]); float blue_xyz_sum = out_data[4 * 4 + 0] + out_data[4 * 4 + 1] + out_data[4 * 4 + 2]; float blue_x = out_data[4 * 4 + 0] / blue_xyz_sum; float blue_y = out_data[4 * 4 + 1] / blue_xyz_sum; EXPECT_NEAR(0.150, blue_x, 1e-3); EXPECT_NEAR(0.060, blue_y, 1e-3); EXPECT_FLOAT_EQ(1.0f, out_data[4 * 4 + 3]); } TEST(ColorspaceConversionEffectTest, Rec2020_Primaries) { float data[] = { 0.0f, 0.0f, 0.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f, 0.0f, 1.0f, 0.0f, 0.0f, 1.0f, 1.0f, }; float out_data[4 * 5]; EffectChainTester tester(data, 1, 5, FORMAT_RGBA_POSTMULTIPLIED_ALPHA, COLORSPACE_REC_2020, GAMMA_LINEAR); tester.run(out_data, GL_RGBA, COLORSPACE_XYZ, GAMMA_LINEAR); // Black should stay black. EXPECT_FLOAT_EQ(0.0f, out_data[0 * 4 + 0]); EXPECT_FLOAT_EQ(0.0f, out_data[0 * 4 + 1]); EXPECT_FLOAT_EQ(0.0f, out_data[0 * 4 + 2]); EXPECT_FLOAT_EQ(1.0f, out_data[0 * 4 + 3]); // Convert the primaries from XYZ to xyz, and compare to the references // given by Rec. 2020. float white_xyz_sum = out_data[1 * 4 + 0] + out_data[1 * 4 + 1] + out_data[1 * 4 + 2]; float white_x = out_data[1 * 4 + 0] / white_xyz_sum; float white_y = out_data[1 * 4 + 1] / white_xyz_sum; EXPECT_NEAR(0.3127, white_x, 1e-3); EXPECT_NEAR(0.3290, white_y, 1e-3); EXPECT_FLOAT_EQ(1.0f, out_data[1 * 4 + 3]); float red_xyz_sum = out_data[2 * 4 + 0] + out_data[2 * 4 + 1] + out_data[2 * 4 + 2]; float red_x = out_data[2 * 4 + 0] / red_xyz_sum; float red_y = out_data[2 * 4 + 1] / red_xyz_sum; EXPECT_NEAR(0.708, red_x, 1e-3); EXPECT_NEAR(0.292, red_y, 1e-3); EXPECT_FLOAT_EQ(1.0f, out_data[2 * 4 + 3]); float green_xyz_sum = out_data[3 * 4 + 0] + out_data[3 * 4 + 1] + out_data[3 * 4 + 2]; float green_x = out_data[3 * 4 + 0] / green_xyz_sum; float green_y = out_data[3 * 4 + 1] / green_xyz_sum; EXPECT_NEAR(0.170, green_x, 1e-3); EXPECT_NEAR(0.797, green_y, 1e-3); EXPECT_FLOAT_EQ(1.0f, out_data[3 * 4 + 3]); float blue_xyz_sum = out_data[4 * 4 + 0] + out_data[4 * 4 + 1] + out_data[4 * 4 + 2]; float blue_x = out_data[4 * 4 + 0] / blue_xyz_sum; float blue_y = out_data[4 * 4 + 1] / blue_xyz_sum; EXPECT_NEAR(0.131, blue_x, 1e-3); EXPECT_NEAR(0.046, blue_y, 1e-3); EXPECT_FLOAT_EQ(1.0f, out_data[4 * 4 + 3]); } TEST(ColorspaceConversionEffectTest, sRGBToRec601_525) { float data[] = { 0.0f, 0.0f, 0.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f, 0.0f, 1.0f, 0.0f, 0.0f, 1.0f, 1.0f, 0.0f, 1.0f, 1.0f, 0.5f, }; // I have to admit that most of these come from the code itself; // however, they do make sense if you look at the two gamuts // in xy space. float expected_data[] = { // Black should stay black. 0.0f, 0.0f, 0.0f, 1.0f, // White should stay white (both use the D65 white point). 1.0f, 1.0f, 1.0f, 1.0f, // sRGB red is slightly out-of-gamut for Rec. 601/525. 1.064f, -0.020f, 0.0f, 1.0f, // Green too. -0.055f, 1.036f, 0.004f, 1.0f, // The blues are much closer; it _is_ still out-of-gamut, // but not actually more saturated (farther from the // white point). -0.010f, -0.017f, 0.994f, 1.0f, // Cyan is a mix of green and blue. Note: The alpha is kept. -0.065f, 1.0195f, 0.998f, 0.5f, }; float out_data[4 * 6]; EffectChainTester tester(data, 1, 6, FORMAT_RGBA_POSTMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_LINEAR); tester.run(out_data, GL_RGBA, COLORSPACE_REC_601_525, GAMMA_LINEAR); expect_equal(expected_data, out_data, 4, 6); } } // namespace movit movit-1.7.1/alpha_multiplication_effect_test.cpp0000644000175000017500000000143014462263704021173 0ustar sessesesse// Unit tests for AlphaMultiplicationEffect. #include #include "effect_chain.h" #include "gtest/gtest.h" #include "image_format.h" #include "test_util.h" namespace movit { TEST(AlphaMultiplicationEffectTest, SimpleTest) { const int size = 3; float data[4 * size] = { 1.0f, 0.2f, 0.2f, 0.0f, 0.2f, 1.0f, 0.2f, 0.5f, 0.2f, 0.2f, 1.0f, 1.0f, }; float expected_data[4 * size] = { 0.0f, 0.0f, 0.0f, 0.0f, 0.1f, 0.5f, 0.1f, 0.5f, 0.2f, 0.2f, 1.0f, 1.0f, }; float out_data[4 * size]; EffectChainTester tester(data, 1, size, FORMAT_RGBA_POSTMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_LINEAR); tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR, OUTPUT_ALPHA_FORMAT_PREMULTIPLIED); expect_equal(expected_data, out_data, 4, size); } } // namespace movit movit-1.7.1/alpha_division_effect_test.cpp0000644000175000017500000000207414462263704017767 0ustar sessesesse// Unit tests for AlphaDivisionEffect. #include #include "gtest/gtest.h" #include "image_format.h" #include "test_util.h" namespace movit { TEST(AlphaDivisionEffectTest, SimpleTest) { const int size = 2; float data[4 * size] = { 0.1f, 0.5f, 0.1f, 0.5f, 0.2f, 0.2f, 1.0f, 1.0f, }; float expected_data[4 * size] = { 0.2f, 1.0f, 0.2f, 0.5f, 0.2f, 0.2f, 1.0f, 1.0f, }; float out_data[4 * size]; EffectChainTester tester(data, 1, size, FORMAT_RGBA_PREMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_LINEAR); tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(expected_data, out_data, 4, size); } TEST(AlphaDivisionEffectTest, ZeroAlphaIsPreserved) { const int size = 2; float data[4 * size] = { 0.1f, 0.5f, 0.1f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, }; float out_data[4 * size]; EffectChainTester tester(data, 1, size, FORMAT_RGBA_PREMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_LINEAR); tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR); EXPECT_EQ(0.0f, out_data[3]); EXPECT_EQ(0.0f, out_data[7]); } } // namespace movit movit-1.7.1/saturation_effect_test.cpp0000644000175000017500000000420114462263704017161 0ustar sessesesse// Unit tests for SaturationEffect. #include #include "effect_chain.h" #include "gtest/gtest.h" #include "image_format.h" #include "saturation_effect.h" #include "test_util.h" namespace movit { TEST(SaturationEffectTest, SaturationOneIsPassThrough) { float data[] = { 1.0f, 0.5f, 0.75f, 0.6f, }; float out_data[4]; EffectChainTester tester(data, 1, 1, FORMAT_RGBA_POSTMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_LINEAR); Effect *saturation_effect = tester.get_chain()->add_effect(new SaturationEffect()); ASSERT_TRUE(saturation_effect->set_float("saturation", 1.0f)); tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(data, out_data, 1, 1); } TEST(SaturationEffectTest, SaturationZeroRemovesColorButPreservesAlpha) { float data[] = { 0.0f, 0.0f, 0.0f, 1.0f, 0.5f, 0.5f, 0.5f, 0.3f, 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f, 0.0f, 0.7f, 0.0f, 0.0f, 1.0f, 1.0f, }; float expected_data[] = { 0.0f, 0.0f, 0.0f, 1.0f, 0.5f, 0.5f, 0.5f, 0.3f, 0.2126f, 0.2126f, 0.2126f, 1.0f, 0.7152f, 0.7152f, 0.7152f, 0.7f, 0.0722f, 0.0722f, 0.0722f, 1.0f, }; float out_data[5 * 4]; EffectChainTester tester(data, 5, 1, FORMAT_RGBA_POSTMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_LINEAR); Effect *saturation_effect = tester.get_chain()->add_effect(new SaturationEffect()); ASSERT_TRUE(saturation_effect->set_float("saturation", 0.0f)); tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(expected_data, out_data, 4, 5); } TEST(SaturationEffectTest, DoubleSaturation) { float data[] = { 0.0f, 0.0f, 0.0f, 1.0f, 0.5f, 0.5f, 0.5f, 0.3f, 0.3f, 0.1f, 0.1f, 1.0f, }; float expected_data[] = { 0.0f, 0.0f, 0.0f, 1.0f, 0.5f, 0.5f, 0.5f, 0.3f, 0.4570f, 0.0575f, 0.0575f, 1.0f, }; float out_data[3 * 4]; EffectChainTester tester(data, 3, 1, FORMAT_RGBA_POSTMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_LINEAR); Effect *saturation_effect = tester.get_chain()->add_effect(new SaturationEffect()); ASSERT_TRUE(saturation_effect->set_float("saturation", 2.0f)); tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(expected_data, out_data, 4, 3); } } // namespace movit movit-1.7.1/blur_effect_test.cpp0000644000175000017500000001046214462263704015742 0ustar sessesesse// Unit tests for BlurEffect. #include #include #include #include "blur_effect.h" #include "effect_chain.h" #include "gtest/gtest.h" #include "image_format.h" #include "test_util.h" namespace movit { TEST(BlurEffectTest, IdentityTransformDoesNothing) { const int size = 4; float data[size * size] = { 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 1.0, 0.0, 0.0, 0.5, 1.0, 0.5, 0.0, 0.0, 0.0, 0.0, }; float out_data[size * size]; for (int num_taps = 2; num_taps < 20; num_taps += 2) { EffectChainTester tester(data, size, size, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR); Effect *blur_effect = tester.get_chain()->add_effect(new BlurEffect()); ASSERT_TRUE(blur_effect->set_float("radius", 0.0f)); ASSERT_TRUE(blur_effect->set_int("num_taps", num_taps)); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(data, out_data, size, size); } } namespace { void add_blurred_point(float *out, int size, int x0, int y0, float strength, float sigma) { // From http://en.wikipedia.org/wiki/Logistic_distribution#Alternative_parameterization. const float c1 = M_PI / (sigma * 4 * sqrt(3.0f)); const float c2 = M_PI / (sigma * 2.0 * sqrt(3.0f)); for (int y = 0; y < size; ++y) { for (int x = 0; x < size; ++x) { float xd = c2 * (x - x0); float yd = c2 * (y - y0); out[y * size + x] += (strength * c1 * c1) / (cosh(xd) * cosh(xd) * cosh(yd) * cosh(yd)); } } } } // namespace TEST(BlurEffectTest, BlurTwoDotsSmallRadius) { const float sigma = 3.0f; const int size = 32; const int x1 = 8; const int y1 = 8; const int x2 = 20; const int y2 = 10; float data[size * size], out_data[size * size], expected_data[size * size]; memset(data, 0, sizeof(data)); memset(expected_data, 0, sizeof(expected_data)); data[y1 * size + x1] = 1.0f; data[y2 * size + x2] = 1.0f; add_blurred_point(expected_data, size, x1, y1, 1.0f, sigma); add_blurred_point(expected_data, size, x2, y2, 1.0f, sigma); EffectChainTester tester(data, size, size, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR); Effect *blur_effect = tester.get_chain()->add_effect(new BlurEffect()); ASSERT_TRUE(blur_effect->set_float("radius", sigma)); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); // Set the limits a bit tighter than usual, since there is so little energy in here. expect_equal(expected_data, out_data, size, size, 1e-3, 1e-5); } TEST(BlurEffectTest, BlurTwoDotsLargeRadius) { const float sigma = 20.0f; // Large enough that we will begin scaling. const int size = 256; const int x1 = 64; const int y1 = 64; const int x2 = 160; const int y2 = 120; static float data[size * size], out_data[size * size], expected_data[size * size]; memset(data, 0, sizeof(data)); memset(expected_data, 0, sizeof(expected_data)); data[y1 * size + x1] = 128.0f; data[y2 * size + x2] = 128.0f; add_blurred_point(expected_data, size, x1, y1, 128.0f, sigma); add_blurred_point(expected_data, size, x2, y2, 128.0f, sigma); EffectChainTester tester(data, size, size, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR); Effect *blur_effect = tester.get_chain()->add_effect(new BlurEffect()); ASSERT_TRUE(blur_effect->set_float("radius", sigma)); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(expected_data, out_data, size, size, 0.1f, 1e-3); } TEST(BlurEffectTest, BlurTwoDotsSmallRadiusFewerTaps) { const float sigma = 3.0f; const int size = 32; const int x1 = 8; const int y1 = 8; const int x2 = 20; const int y2 = 10; float data[size * size], out_data[size * size], expected_data[size * size]; memset(data, 0, sizeof(data)); memset(expected_data, 0, sizeof(expected_data)); data[y1 * size + x1] = 1.0f; data[y2 * size + x2] = 1.0f; add_blurred_point(expected_data, size, x1, y1, 1.0f, sigma); add_blurred_point(expected_data, size, x2, y2, 1.0f, sigma); EffectChainTester tester(data, size, size, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR); Effect *blur_effect = tester.get_chain()->add_effect(new BlurEffect()); ASSERT_TRUE(blur_effect->set_float("radius", sigma)); ASSERT_TRUE(blur_effect->set_int("num_taps", 10)); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); // Set the limits a bit tighter than usual, since there is so little energy in here. expect_equal(expected_data, out_data, size, size, 1e-3, 1e-5); } } // namespace movit movit-1.7.1/diffusion_effect_test.cpp0000644000175000017500000000434214462263704016764 0ustar sessesesse// Unit tests for DiffusionEffect. #include #include "diffusion_effect.h" #include "effect_chain.h" #include "gtest/gtest.h" #include "image_format.h" #include "test_util.h" namespace movit { TEST(DiffusionEffectTest, IdentityTransformDoesNothing) { const int size = 4; float data[size * size] = { 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 1.0, 0.0, 0.0, 0.5, 1.0, 0.5, 0.0, 0.0, 0.0, 0.0, }; float out_data[size * size]; EffectChainTester tester(data, size, size, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR); Effect *diffusion_effect = tester.get_chain()->add_effect(new DiffusionEffect()); ASSERT_TRUE(diffusion_effect->set_float("radius", 0.0f)); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(data, out_data, size, size); } TEST(DiffusionEffectTest, FlattensOutWhitePyramid) { const int size = 9; float data[size * size] = { 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.5, 0.5, 0.5, 0.5, 0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.7, 0.7, 0.7, 0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.7, 1.0, 0.7, 0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.7, 0.7, 0.7, 0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.5, 0.5, 0.5, 0.5, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, }; float expected_data[size * size] = { 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.4, 0.4, 0.4, 0.4, 0.4, 0.0, 0.0, 0.0, 0.0, 0.4, 0.5, 0.5, 0.5, 0.4, 0.0, 0.0, 0.0, 0.0, 0.4, 0.5, 0.6, 0.5, 0.4, 0.0, 0.0, 0.0, 0.0, 0.4, 0.5, 0.5, 0.5, 0.4, 0.0, 0.0, 0.0, 0.0, 0.4, 0.4, 0.4, 0.4, 0.4, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, }; float out_data[size * size]; EffectChainTester tester(data, size, size, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR); Effect *diffusion_effect = tester.get_chain()->add_effect(new DiffusionEffect()); ASSERT_TRUE(diffusion_effect->set_float("radius", 2.0f)); ASSERT_TRUE(diffusion_effect->set_float("blurred_mix_amount", 0.7f)); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(expected_data, out_data, size, size, 0.05f, 0.002); } } // namespace movit movit-1.7.1/glow_effect_test.cpp0000644000175000017500000000745114462263704015752 0ustar sessesesse// Unit tests for GlowEffect. #include #include #include "effect_chain.h" #include "glow_effect.h" #include "gtest/gtest.h" #include "image_format.h" #include "test_util.h" namespace movit { TEST(GlowEffectTest, NoAmountDoesNothing) { const int size = 4; float data[size * size] = { 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 1.0, 0.0, 0.0, 0.5, 1.0, 0.5, 0.0, 0.0, 0.0, 0.0, }; float out_data[size * size]; EffectChainTester tester(data, size, size, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR); Effect *glow_effect = tester.get_chain()->add_effect(new GlowEffect()); ASSERT_TRUE(glow_effect->set_float("radius", 2.0f)); ASSERT_TRUE(glow_effect->set_float("blurred_mix_amount", 0.0f)); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(data, out_data, size, size); } TEST(GlowEffectTest, SingleDot) { const int size = 13; const float sigma = 0.5f; const float amount = 0.2f; float data[] = { // One single dot in the middle. 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, }; float expected_data[size * size], out_data[size * size]; // The output should be equal to the input, plus approximately a logistic blob. // From http://en.wikipedia.org/wiki/Logistic_distribution#Alternative_parameterization. const float c1 = M_PI / (sigma * 4 * sqrt(3.0f)); const float c2 = M_PI / (sigma * 2.0 * sqrt(3.0f)); for (int y = 0; y < size; ++y) { for (int x = 0; x < size; ++x) { float xd = c2 * (x - 6); float yd = c2 * (y - 6); expected_data[y * size + x] = data[y * size + x] + (amount * c1 * c1) / (cosh(xd) * cosh(xd) * cosh(yd) * cosh(yd)); } } EffectChainTester tester(data, size, size, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR); Effect *glow_effect = tester.get_chain()->add_effect(new GlowEffect()); ASSERT_TRUE(glow_effect->set_float("radius", sigma)); ASSERT_TRUE(glow_effect->set_float("blurred_mix_amount", amount)); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(expected_data, out_data, size, size, 0.1f, 1e-3); } TEST(GlowEffectTest, GlowsOntoZeroAlpha) { const int size = 7; const float sigma = 1.0f; const float amount = 1.0f; float data[4 * size] = { 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.5, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, }; float expected_data[4 * size] = { 0.0, 1.0, 0.0, 0.002, 0.0, 1.0, 0.0, 0.014, 0.0, 1.0, 0.0, 0.065, 0.0, 1.0, 0.0, 0.635, 0.0, 1.0, 0.0, 0.065, 0.0, 1.0, 0.0, 0.014, 0.0, 1.0, 0.0, 0.002, }; float out_data[4 * size]; EffectChainTester tester(data, 1, size, FORMAT_RGBA_POSTMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_LINEAR); Effect *glow_effect = tester.get_chain()->add_effect(new GlowEffect()); ASSERT_TRUE(glow_effect->set_float("radius", sigma)); ASSERT_TRUE(glow_effect->set_float("blurred_mix_amount", amount)); tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(expected_data, out_data, 4, size); } } // namespace movit movit-1.7.1/unsharp_mask_effect_test.cpp0000644000175000017500000000566014462263704017475 0ustar sessesesse// Unit tests for UnsharpMaskEffect. #include #include #include "effect_chain.h" #include "gtest/gtest.h" #include "image_format.h" #include "test_util.h" #include "unsharp_mask_effect.h" namespace movit { TEST(UnsharpMaskEffectTest, NoAmountDoesNothing) { const int size = 4; float data[size * size] = { 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 1.0, 0.0, 0.0, 0.5, 1.0, 0.5, 0.0, 0.0, 0.0, 0.0, }; float out_data[size * size]; EffectChainTester tester(data, size, size, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR); Effect *unsharp_mask_effect = tester.get_chain()->add_effect(new UnsharpMaskEffect()); ASSERT_TRUE(unsharp_mask_effect->set_float("radius", 2.0f)); ASSERT_TRUE(unsharp_mask_effect->set_float("amount", 0.0f)); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(data, out_data, size, size); } TEST(UnsharpMaskEffectTest, UnblursGaussianBlur) { const int size = 13; const float sigma = 0.5f; float data[size * size], out_data[size * size]; float expected_data[] = { // One single dot in the middle. 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, }; // Create a Gaussian input. (Note that our blur is not Gaussian.) for (int y = 0; y < size; ++y) { for (int x = 0; x < size; ++x) { float z = hypot(x - 6, y - 6); data[y * size + x] = exp(-z*z / (2.0 * sigma * sigma)) / (2.0 * M_PI * sigma * sigma); } } EffectChainTester tester(data, size, size, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR); Effect *unsharp_mask_effect = tester.get_chain()->add_effect(new UnsharpMaskEffect()); ASSERT_TRUE(unsharp_mask_effect->set_float("radius", sigma)); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); // Check the center sample separately; it's bound to be the sample with the largest // single error, and we know we can't get it perfect anyway. int center = size / 2; EXPECT_GT(out_data[center * size + center], 0.45f); out_data[center * size + center] = 1.0f; // Add some leeway for the rest; unsharp masking is not expected to be extremely good. expect_equal(expected_data, out_data, size, size, 0.1, 0.001); } } // namespace movit movit-1.7.1/mix_effect_test.cpp0000644000175000017500000001067214462263704015576 0ustar sessesesse// Unit tests for MixEffect. #include #include "effect_chain.h" #include "gtest/gtest.h" #include "image_format.h" #include "input.h" #include "mix_effect.h" #include "test_util.h" namespace movit { TEST(MixEffectTest, FiftyFiftyMix) { float data_a[] = { 0.0f, 0.25f, 0.75f, 1.0f, }; float data_b[] = { 1.0f, 0.5f, 0.75f, 0.6f, }; float expected_data[] = { 0.5f, 0.375f, 0.75f, 0.8f, }; float out_data[4]; EffectChainTester tester(data_a, 2, 2, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR); Effect *input1 = tester.get_chain()->last_added_effect(); Effect *input2 = tester.add_input(data_b, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR); Effect *mix_effect = tester.get_chain()->add_effect(new MixEffect(), input1, input2); ASSERT_TRUE(mix_effect->set_float("strength_first", 0.5f)); ASSERT_TRUE(mix_effect->set_float("strength_second", 0.5f)); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(expected_data, out_data, 2, 2); } TEST(MixEffectTest, OnlyA) { float data_a[] = { 0.0f, 0.25f, 0.75f, 1.0f, }; float data_b[] = { 1.0f, 0.5f, 0.75f, 0.6f, }; float out_data[4]; EffectChainTester tester(data_a, 2, 2, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR); Effect *input1 = tester.get_chain()->last_added_effect(); Effect *input2 = tester.add_input(data_b, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR); Effect *mix_effect = tester.get_chain()->add_effect(new MixEffect(), input1, input2); ASSERT_TRUE(mix_effect->set_float("strength_first", 1.0f)); ASSERT_TRUE(mix_effect->set_float("strength_second", 0.0f)); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(data_a, out_data, 2, 2); } TEST(MixEffectTest, DoesNotSumToOne) { float data_a[] = { 1.0f, 0.5f, 0.75f, 0.333f, }; float data_b[] = { 1.0f, 0.25f, 0.15f, 0.333f, }; // The fact that the RGB values don't sum but get averaged here might // actually be a surprising result, but when you think of it, // it does make physical sense. float expected_data[] = { 1.0f, 0.375f, 0.45f, 0.666f, }; float out_data[4]; EffectChainTester tester(data_a, 1, 1, FORMAT_RGBA_POSTMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_LINEAR); Effect *input1 = tester.get_chain()->last_added_effect(); Effect *input2 = tester.add_input(data_b, FORMAT_RGBA_POSTMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_LINEAR); Effect *mix_effect = tester.get_chain()->add_effect(new MixEffect(), input1, input2); ASSERT_TRUE(mix_effect->set_float("strength_first", 1.0f)); ASSERT_TRUE(mix_effect->set_float("strength_second", 1.0f)); tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(expected_data, out_data, 4, 1); } TEST(MixEffectTest, AdditiveBlendingWorksForBothTotallyOpaqueAndPartiallyTranslucent) { float data_a[] = { 0.0f, 0.5f, 0.75f, 1.0f, 1.0f, 1.0f, 1.0f, 0.2f, }; float data_b[] = { 1.0f, 0.25f, 0.15f, 1.0f, 1.0f, 1.0f, 1.0f, 0.5f, }; float expected_data[] = { 1.0f, 0.75f, 0.9f, 1.0f, 1.0f, 1.0f, 1.0f, 0.7f, }; float out_data[8]; EffectChainTester tester(data_a, 1, 2, FORMAT_RGBA_POSTMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_LINEAR); Effect *input1 = tester.get_chain()->last_added_effect(); Effect *input2 = tester.add_input(data_b, FORMAT_RGBA_POSTMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_LINEAR); Effect *mix_effect = tester.get_chain()->add_effect(new MixEffect(), input1, input2); ASSERT_TRUE(mix_effect->set_float("strength_first", 1.0f)); ASSERT_TRUE(mix_effect->set_float("strength_second", 1.0f)); tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(expected_data, out_data, 4, 2); } TEST(MixEffectTest, MixesLinearlyDespitesRGBInputsAndOutputs) { float data_a[] = { 0.0f, 0.25f, 0.75f, 1.0f, }; float data_b[] = { 0.0f, 0.0f, 0.0f, 0.0f, }; float expected_data[] = { // sRGB(0.5 * inv_sRGB(a)). 0.00000f, 0.17349f, 0.54807f, 0.73536f, }; float out_data[4]; EffectChainTester tester(data_a, 2, 2, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_sRGB); Effect *input1 = tester.get_chain()->last_added_effect(); Effect *input2 = tester.add_input(data_b, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_sRGB); Effect *mix_effect = tester.get_chain()->add_effect(new MixEffect(), input1, input2); ASSERT_TRUE(mix_effect->set_float("strength_first", 0.5f)); ASSERT_TRUE(mix_effect->set_float("strength_second", 0.5f)); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_sRGB); expect_equal(expected_data, out_data, 2, 2); } } // namespace movit movit-1.7.1/overlay_effect_test.cpp0000644000175000017500000000644614462263704016466 0ustar sessesesse// Unit tests for OverlayEffect. #include #include "effect_chain.h" #include "gtest/gtest.h" #include "image_format.h" #include "input.h" #include "overlay_effect.h" #include "test_util.h" #include "util.h" namespace movit { TEST(OverlayEffectTest, TopDominatesBottomWhenNoAlpha) { for (int swap_inputs = 0; swap_inputs < 2; ++swap_inputs) { // false, true. float data_a[] = { 0.0f, 0.25f, 0.75f, 1.0f, }; float data_b[] = { 1.0f, 0.5f, 0.75f, 0.6f, }; float out_data[4]; EffectChainTester tester(data_a, 2, 2, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR); Effect *input1 = tester.get_chain()->last_added_effect(); Effect *input2 = tester.add_input(data_b, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR); OverlayEffect *effect = new OverlayEffect(); CHECK(effect->set_int("swap_inputs", swap_inputs)); tester.get_chain()->add_effect(effect, input1, input2); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); if (swap_inputs) { expect_equal(data_a, out_data, 2, 2); } else { expect_equal(data_b, out_data, 2, 2); } } } TEST(OverlayEffectTest, BottomDominatesTopWhenTopIsTransparent) { float data_a[] = { 1.0f, 0.0f, 0.0f, 0.5f, }; float data_b[] = { 0.5f, 0.5f, 0.5f, 0.0f, }; float out_data[4]; EffectChainTester tester(data_a, 1, 1, FORMAT_RGBA_POSTMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_LINEAR); Effect *input1 = tester.get_chain()->last_added_effect(); Effect *input2 = tester.add_input(data_b, FORMAT_RGBA_POSTMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_LINEAR); tester.get_chain()->add_effect(new OverlayEffect(), input1, input2); tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(data_a, out_data, 4, 1); } TEST(OverlayEffectTest, ZeroAlphaRemainsZeroAlpha) { float data_a[] = { 0.0f, 0.25f, 0.5f, 0.0f }; float data_b[] = { 1.0f, 1.0f, 1.0f, 0.0f }; float expected_data[] = { 0.0f, 0.0f, 0.0f, 0.0f }; float out_data[4]; EffectChainTester tester(data_a, 1, 1, FORMAT_RGBA_POSTMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_LINEAR); Effect *input1 = tester.get_chain()->last_added_effect(); Effect *input2 = tester.add_input(data_b, FORMAT_RGBA_POSTMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_LINEAR); tester.get_chain()->add_effect(new OverlayEffect(), input1, input2); tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR); EXPECT_FLOAT_EQ(0.0f, expected_data[3]); } // This is tested against what Photoshop does: (255,0,128, 0.25) over (128,255,0, 0.5) // becomes (179,153,51, 0.63). (Actually we fudge 0.63 to 0.625, because that's // what it should be.) TEST(OverlayEffectTest, PhotoshopReferenceTest) { float data_a[] = { 128.0f/255.0f, 1.0f, 0.0f, 0.5f }; float data_b[] = { 1.0f, 0.0f, 128.0f/255.0f, 0.25f }; float expected_data[] = { 179.0f/255.0f, 153.0f/255.0f, 51.0f/255.0f, 0.625f }; float out_data[4]; EffectChainTester tester(data_a, 1, 1, FORMAT_RGBA_POSTMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_LINEAR); Effect *input1 = tester.get_chain()->last_added_effect(); Effect *input2 = tester.add_input(data_b, FORMAT_RGBA_POSTMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_LINEAR); tester.get_chain()->add_effect(new OverlayEffect(), input1, input2); tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(expected_data, out_data, 4, 1); } } // namespace movit movit-1.7.1/padding_effect_test.cpp0000644000175000017500000002406414462263704016407 0ustar sessesesse// Unit tests for PaddingEffect. #include #include #include "effect_chain.h" #include "flat_input.h" #include "gtest/gtest.h" #include "image_format.h" #include "padding_effect.h" #include "test_util.h" #include "util.h" namespace movit { TEST(PaddingEffectTest, SimpleCenter) { float data[2 * 2] = { 1.0f, 0.5f, 0.8f, 0.3f, }; float expected_data[4 * 4] = { 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, 0.5f, 0.0f, 0.0f, 0.8f, 0.3f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, }; float out_data[4 * 4]; EffectChainTester tester(nullptr, 4, 4); ImageFormat format; format.color_space = COLORSPACE_sRGB; format.gamma_curve = GAMMA_LINEAR; FlatInput *input = new FlatInput(format, FORMAT_GRAYSCALE, GL_FLOAT, 2, 2); input->set_pixel_data(data); tester.get_chain()->add_input(input); Effect *effect = tester.get_chain()->add_effect(new PaddingEffect()); CHECK(effect->set_int("width", 4)); CHECK(effect->set_int("height", 4)); CHECK(effect->set_float("left", 1.0f)); CHECK(effect->set_float("top", 1.0f)); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR, OUTPUT_ALPHA_FORMAT_PREMULTIPLIED); expect_equal(expected_data, out_data, 4, 4); } TEST(PaddingEffectTest, WhiteBorderColor) { float data[2 * 2] = { 1.0f, 0.5f, 0.8f, 0.3f, }; float expected_data[4 * 4] = { 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 0.5f, 1.0f, 1.0f, 0.8f, 0.3f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, }; float out_data[4 * 4]; EffectChainTester tester(nullptr, 4, 4); ImageFormat format; format.color_space = COLORSPACE_sRGB; format.gamma_curve = GAMMA_LINEAR; FlatInput *input = new FlatInput(format, FORMAT_GRAYSCALE, GL_FLOAT, 2, 2); input->set_pixel_data(data); tester.get_chain()->add_input(input); Effect *effect = tester.get_chain()->add_effect(new PaddingEffect()); CHECK(effect->set_int("width", 4)); CHECK(effect->set_int("height", 4)); CHECK(effect->set_float("left", 1.0f)); CHECK(effect->set_float("top", 1.0f)); RGBATuple border_color(1.0f, 1.0f, 1.0f, 1.0f); CHECK(effect->set_vec4("border_color", (float *)&border_color)); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR, OUTPUT_ALPHA_FORMAT_PREMULTIPLIED); expect_equal(expected_data, out_data, 4, 4); } TEST(PaddingEffectTest, BorderColorIsInLinearGamma) { float data[4 * 1] = { 0.2f, 0.4f, 0.6f, 0.8f, }; float expected_data[4 * 2] = { 0.5005, 0.7051, 0.8677, 0.7998, // Pixel from data[]. 0.5005, 0.7051, 0.8677, 0.7998, // Pixel from the border color. }; float out_data[4 * 2]; EffectChainTester tester(nullptr, 1, 2); ImageFormat format; format.color_space = COLORSPACE_sRGB; format.gamma_curve = GAMMA_LINEAR; FlatInput *input = new FlatInput(format, FORMAT_RGBA_PREMULTIPLIED_ALPHA, GL_FLOAT, 1, 1); input->set_pixel_data(data); tester.get_chain()->add_input(input); Effect *effect = tester.get_chain()->add_effect(new PaddingEffect()); CHECK(effect->set_int("width", 1)); CHECK(effect->set_int("height", 2)); CHECK(effect->set_float("left", 0.0f)); CHECK(effect->set_float("top", 0.0f)); RGBATuple border_color(0.2f, 0.4f, 0.6f, 0.8f); // Same as the pixel in data[]. CHECK(effect->set_vec4("border_color", (float *)&border_color)); tester.run(out_data, GL_RGBA, COLORSPACE_REC_601_625, GAMMA_REC_601, OUTPUT_ALPHA_FORMAT_POSTMULTIPLIED); expect_equal(expected_data, out_data, 4, 2); } TEST(PaddingEffectTest, DifferentXAndYOffset) { float data[1 * 1] = { 1.0f }; float expected_data[3 * 3] = { 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, 0.0f, }; float out_data[3 * 3]; EffectChainTester tester(nullptr, 3, 3); ImageFormat format; format.color_space = COLORSPACE_sRGB; format.gamma_curve = GAMMA_LINEAR; FlatInput *input = new FlatInput(format, FORMAT_GRAYSCALE, GL_FLOAT, 1, 1); input->set_pixel_data(data); tester.get_chain()->add_input(input); Effect *effect = tester.get_chain()->add_effect(new PaddingEffect()); CHECK(effect->set_int("width", 3)); CHECK(effect->set_int("height", 3)); CHECK(effect->set_float("left", 2.0f)); CHECK(effect->set_float("top", 1.0f)); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR, OUTPUT_ALPHA_FORMAT_PREMULTIPLIED); expect_equal(expected_data, out_data, 3, 3); } TEST(PaddingEffectTest, NonIntegerOffset) { float data[4 * 1] = { 0.25f, 0.50f, 0.75f, 1.0f, }; float expected_data[5 * 2] = { 0.1875f, 0.4375f, 0.6875f, 0.9375f, 0.25f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, }; float out_data[5 * 2]; EffectChainTester tester(nullptr, 5, 2); ImageFormat format; format.color_space = COLORSPACE_sRGB; format.gamma_curve = GAMMA_LINEAR; FlatInput *input = new FlatInput(format, FORMAT_GRAYSCALE, GL_FLOAT, 4, 1); input->set_pixel_data(data); tester.get_chain()->add_input(input); Effect *effect = tester.get_chain()->add_effect(new PaddingEffect()); CHECK(effect->set_int("width", 5)); CHECK(effect->set_int("height", 2)); CHECK(effect->set_float("left", 0.25f)); CHECK(effect->set_float("top", 0.0f)); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR, OUTPUT_ALPHA_FORMAT_PREMULTIPLIED); expect_equal(expected_data, out_data, 5, 2); } TEST(PaddingEffectTest, Crop) { float data[2 * 2] = { 1.0f, 0.5f, 0.8f, 0.3f, }; float expected_data[1 * 1] = { 0.3f, }; float out_data[1 * 1]; EffectChainTester tester(nullptr, 1, 1); ImageFormat format; format.color_space = COLORSPACE_sRGB; format.gamma_curve = GAMMA_LINEAR; FlatInput *input = new FlatInput(format, FORMAT_GRAYSCALE, GL_FLOAT, 2, 2); input->set_pixel_data(data); tester.get_chain()->add_input(input); Effect *effect = tester.get_chain()->add_effect(new PaddingEffect()); CHECK(effect->set_int("width", 1)); CHECK(effect->set_int("height", 1)); CHECK(effect->set_float("left", -1.0f)); CHECK(effect->set_float("top", -1.0f)); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR, OUTPUT_ALPHA_FORMAT_PREMULTIPLIED); expect_equal(expected_data, out_data, 1, 1); } TEST(PaddingEffectTest, AlphaIsCorrectEvenWithNonLinearInputsAndOutputs) { float data[2 * 1] = { 1.0f, 0.8f, }; float expected_data[4 * 4] = { 1.0f, 1.0f, 1.0f, 0.5f, 1.0f, 1.0f, 1.0f, 1.0f, 0.8f, 0.8f, 0.8f, 1.0f, 1.0f, 1.0f, 1.0f, 0.5f, }; float out_data[4 * 4]; EffectChainTester tester(nullptr, 1, 4); ImageFormat format; format.color_space = COLORSPACE_REC_601_625; format.gamma_curve = GAMMA_REC_709; FlatInput *input = new FlatInput(format, FORMAT_GRAYSCALE, GL_FLOAT, 1, 2); input->set_pixel_data(data); tester.get_chain()->add_input(input); Effect *effect = tester.get_chain()->add_effect(new PaddingEffect()); CHECK(effect->set_int("width", 1)); CHECK(effect->set_int("height", 4)); CHECK(effect->set_float("left", 0.0f)); CHECK(effect->set_float("top", 1.0f)); RGBATuple border_color(1.0f, 1.0f, 1.0f, 0.5f); CHECK(effect->set_vec4("border_color", (float *)&border_color)); tester.run(out_data, GL_RGBA, COLORSPACE_REC_601_625, GAMMA_REC_709, OUTPUT_ALPHA_FORMAT_POSTMULTIPLIED); expect_equal(expected_data, out_data, 4, 4); } TEST(PaddingEffectTest, RedBorder) { // Not black nor white, but still a saturated primary. float data[2 * 1] = { 1.0f, 0.8f, }; float expected_data[4 * 4] = { 1.0f, 0.0f, 0.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 0.8f, 0.8f, 0.8f, 1.0f, 1.0f, 0.0f, 0.0f, 1.0f, }; float out_data[4 * 4]; EffectChainTester tester(nullptr, 1, 4); ImageFormat format; format.color_space = COLORSPACE_REC_601_625; format.gamma_curve = GAMMA_REC_709; FlatInput *input = new FlatInput(format, FORMAT_GRAYSCALE, GL_FLOAT, 1, 2); input->set_pixel_data(data); tester.get_chain()->add_input(input); Effect *effect = tester.get_chain()->add_effect(new PaddingEffect()); CHECK(effect->set_int("width", 1)); CHECK(effect->set_int("height", 4)); CHECK(effect->set_float("left", 0.0f)); CHECK(effect->set_float("top", 1.0f)); RGBATuple border_color(1.0f, 0.0f, 0.0f, 1.0f); CHECK(effect->set_vec4("border_color", (float *)&border_color)); tester.run(out_data, GL_RGBA, COLORSPACE_REC_709, GAMMA_REC_709, OUTPUT_ALPHA_FORMAT_POSTMULTIPLIED); expect_equal(expected_data, out_data, 4, 4); } TEST(PaddingEffectTest, BorderOffsetTopAndBottom) { float data[2 * 2] = { 1.0f, 0.5f, 0.8f, 0.3f, }; float expected_data[4 * 4] = { 0.0f, 0.000f, 0.000f, 0.0f, 0.0f, 0.750f, 0.375f, 0.0f, 0.0f, 0.800f, 0.300f, 0.0f, 0.0f, 0.200f, 0.075f, 0.0f, // Repeated pixels, 25% opacity. }; float out_data[4 * 4]; EffectChainTester tester(nullptr, 4, 4); ImageFormat format; format.color_space = COLORSPACE_sRGB; format.gamma_curve = GAMMA_LINEAR; FlatInput *input = new FlatInput(format, FORMAT_GRAYSCALE, GL_FLOAT, 2, 2); input->set_pixel_data(data); tester.get_chain()->add_input(input); Effect *effect = tester.get_chain()->add_effect(new PaddingEffect()); CHECK(effect->set_int("width", 4)); CHECK(effect->set_int("height", 4)); CHECK(effect->set_float("left", 1.0f)); CHECK(effect->set_float("top", 1.0f)); CHECK(effect->set_float("border_offset_top", 0.25f)); CHECK(effect->set_float("border_offset_bottom", 0.25f)); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR, OUTPUT_ALPHA_FORMAT_PREMULTIPLIED); expect_equal(expected_data, out_data, 4, 4); } TEST(PaddingEffectTest, BorderOffsetLeftAndRight) { float data[3 * 2] = { 1.0f, 0.5f, 0.6f, 0.8f, 0.3f, 0.2f, }; float expected_data[4 * 2] = { 0.750f, 0.5f, 0.3f, 0.0f, 0.600f, 0.3f, 0.1f, 0.0f }; float out_data[4 * 2]; EffectChainTester tester(nullptr, 4, 2); ImageFormat format; format.color_space = COLORSPACE_sRGB; format.gamma_curve = GAMMA_LINEAR; FlatInput *input = new FlatInput(format, FORMAT_GRAYSCALE, GL_FLOAT, 3, 2); input->set_pixel_data(data); tester.get_chain()->add_input(input); Effect *effect = tester.get_chain()->add_effect(new PaddingEffect()); CHECK(effect->set_int("width", 4)); CHECK(effect->set_int("height", 2)); CHECK(effect->set_float("left", 0.0f)); CHECK(effect->set_float("top", 0.0f)); CHECK(effect->set_float("border_offset_left", 0.25f)); CHECK(effect->set_float("border_offset_right", -0.5f)); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR, OUTPUT_ALPHA_FORMAT_PREMULTIPLIED); expect_equal(expected_data, out_data, 4, 2); } } // namespace movit movit-1.7.1/resample_effect_test.cpp0000644000175000017500000004274314462263704016615 0ustar sessesesse// Unit tests for ResampleEffect. #include #include #include #include #include "effect_chain.h" #include "flat_input.h" #include "fp16.h" #include "image_format.h" #include "init.h" #include "resample_effect.h" #include "test_util.h" using namespace std; namespace movit { namespace { float sinc(float x) { return sin(M_PI * x) / (M_PI * x); } float lanczos(float x, float a) { if (fabs(x) >= a) { return 0.0f; } else { return sinc(x) * sinc(x / a); } } } // namespace TEST(ResampleEffectTest, IdentityTransformDoesNothing) { const int size = 4; float data[size * size] = { 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 1.0, 0.0, 0.0, 0.5, 1.0, 0.5, 0.0, 0.0, 0.0, 0.0, }; float out_data[size * size]; EffectChainTester tester(data, size, size, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR); Effect *resample_effect = tester.get_chain()->add_effect(new ResampleEffect()); ASSERT_TRUE(resample_effect->set_int("width", 4)); ASSERT_TRUE(resample_effect->set_int("height", 4)); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(data, out_data, size, size); } TEST(ResampleEffectTest, UpscaleByTwoGetsCorrectPixelCenters) { const int size = 5; float data[size * size] = { 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, }; float expected_data[size * size * 4], out_data[size * size * 4]; for (int y = 0; y < size * 2; ++y) { for (int x = 0; x < size * 2; ++x) { float weight = lanczos((x - size + 0.5f) * 0.5f, 3.0f); weight *= lanczos((y - size + 0.5f) * 0.5f, 3.0f); expected_data[y * (size * 2) + x] = weight; } } EffectChainTester tester(nullptr, size * 2, size * 2, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR); ImageFormat format; format.color_space = COLORSPACE_sRGB; format.gamma_curve = GAMMA_LINEAR; FlatInput *input = new FlatInput(format, FORMAT_GRAYSCALE, GL_FLOAT, size, size); input->set_pixel_data(data); tester.get_chain()->add_input(input); Effect *resample_effect = tester.get_chain()->add_effect(new ResampleEffect()); ASSERT_TRUE(resample_effect->set_int("width", size * 2)); ASSERT_TRUE(resample_effect->set_int("height", size * 2)); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(expected_data, out_data, size * 2, size * 2); } TEST(ResampleEffectTest, DownscaleByTwoGetsCorrectPixelCenters) { const int size = 5; // This isn't a perfect dot, since the Lanczos filter has a slight // sharpening effect; the most important thing is that we have kept // the texel center right (everything is nicely symmetric). // The approximate magnitudes have been checked against ImageMagick. float expected_data[size * size] = { 0.0045, -0.0067, -0.0599, -0.0067, 0.0045, -0.0067, 0.0100, 0.0892, 0.0100, -0.0067, -0.0599, 0.0890, 0.7925, 0.0892, -0.0599, -0.0067, 0.0100, 0.0890, 0.0100, -0.0067, 0.0045, -0.0067, -0.0599, -0.0067, 0.0045, }; float data[size * size * 4], out_data[size * size]; for (int y = 0; y < size * 2; ++y) { for (int x = 0; x < size * 2; ++x) { float weight = lanczos((x - size + 0.5f) * 0.5f, 3.0f); weight *= lanczos((y - size + 0.5f) * 0.5f, 3.0f); data[y * (size * 2) + x] = weight; } } EffectChainTester tester(nullptr, size, size, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR); ImageFormat format; format.color_space = COLORSPACE_sRGB; format.gamma_curve = GAMMA_LINEAR; FlatInput *input = new FlatInput(format, FORMAT_GRAYSCALE, GL_FLOAT, size * 2, size * 2); input->set_pixel_data(data); tester.get_chain()->add_input(input); Effect *resample_effect = tester.get_chain()->add_effect(new ResampleEffect()); ASSERT_TRUE(resample_effect->set_int("width", size)); ASSERT_TRUE(resample_effect->set_int("height", size)); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(expected_data, out_data, size, size); } TEST(ResampleEffectTest, UpscaleByThreeGetsCorrectPixelCenters) { const int size = 5; float data[size * size] = { 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, }; float out_data[size * size * 9]; EffectChainTester tester(nullptr, size * 3, size * 3, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR); ImageFormat format; format.color_space = COLORSPACE_sRGB; format.gamma_curve = GAMMA_LINEAR; FlatInput *input = new FlatInput(format, FORMAT_GRAYSCALE, GL_FLOAT, size, size); input->set_pixel_data(data); tester.get_chain()->add_input(input); Effect *resample_effect = tester.get_chain()->add_effect(new ResampleEffect()); ASSERT_TRUE(resample_effect->set_int("width", size * 3)); ASSERT_TRUE(resample_effect->set_int("height", size * 3)); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); // We only bother checking that the middle pixel is still correct, // and that symmetry holds. Note that the middle weight in practice // becomes something like 0.99999 due to the normalization // (some supposedly zero weights become 1e-6 or so), and then after // squaring, the error compounds. Ironically, less texture precision // here will give a more accurate result, since the weight can get // rounded towards 1.0. EXPECT_NEAR(1.0, out_data[7 * (size * 3) + 7], 1e-3); for (unsigned y = 0; y < size * 3; ++y) { for (unsigned x = 0; x < size * 3; ++x) { EXPECT_NEAR(out_data[y * (size * 3) + x], out_data[(size * 3 - y - 1) * (size * 3) + x], 1e-6); EXPECT_NEAR(out_data[y * (size * 3) + x], out_data[y * (size * 3) + (size * 3 - x - 1)], 1e-6); } } } TEST(ResampleEffectTest, HeavyResampleGetsSumRight) { // Do only one resample pass, more specifically the last one, which goes to // our fp32 output. This allows us to analyze the precision without intermediate // fp16 rounding. const int swidth = 1, sheight = 1280; const int dwidth = 1, dheight = 64; float data[swidth * sheight], out_data[dwidth * dheight], expected_data[dwidth * dheight]; for (int y = 0; y < sheight; ++y) { for (int x = 0; x < swidth; ++x) { data[y * swidth + x] = 1.0f; } } for (int y = 0; y < dheight; ++y) { for (int x = 0; x < dwidth; ++x) { expected_data[y * dwidth + x] = 1.0f; } } EffectChainTester tester(nullptr, dwidth, dheight, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR, GL_RGBA32F); ImageFormat format; format.color_space = COLORSPACE_sRGB; format.gamma_curve = GAMMA_LINEAR; FlatInput *input = new FlatInput(format, FORMAT_GRAYSCALE, GL_FLOAT, swidth, sheight); input->set_pixel_data(data); tester.get_chain()->add_input(input); Effect *resample_effect = tester.get_chain()->add_effect(new ResampleEffect()); ASSERT_TRUE(resample_effect->set_int("width", dwidth)); ASSERT_TRUE(resample_effect->set_int("height", dheight)); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); // Require that we are within 10-bit accuracy. Note that this limit is for // one pass only, but the limit is tight enough that it should be good enough // for 10-bit accuracy even after two passes. expect_equal(expected_data, out_data, dwidth, dheight, 0.12 / 1023.0); } TEST(ResampleEffectTest, ReadWholePixelFromLeft) { const int size = 5; float data[size * size] = { 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, }; float expected_data[size * size] = { 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, }; float out_data[size * size]; EffectChainTester tester(data, size, size, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR); Effect *resample_effect = tester.get_chain()->add_effect(new ResampleEffect()); ASSERT_TRUE(resample_effect->set_int("width", size)); ASSERT_TRUE(resample_effect->set_int("height", size)); ASSERT_TRUE(resample_effect->set_float("left", 1.0f)); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(expected_data, out_data, size, size); } TEST(ResampleEffectTest, ReadQuarterPixelFromLeft) { const int size = 5; float data[size * size] = { 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, }; float expected_data[size * size] = { 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, // sin(x*pi)/(x*pi) * sin(x*pi/3)/(x*pi/3) for // x = -1.75, -0.75, 0.25, 1.25, 2.25. // Note that the weight is mostly on the left side. -0.06779, 0.27019, 0.89007, -0.13287, 0.03002, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, }; float out_data[size * size]; EffectChainTester tester(data, size, size, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR); Effect *resample_effect = tester.get_chain()->add_effect(new ResampleEffect()); ASSERT_TRUE(resample_effect->set_int("width", size)); ASSERT_TRUE(resample_effect->set_int("height", size)); ASSERT_TRUE(resample_effect->set_float("left", 0.25f)); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(expected_data, out_data, size, size); } TEST(ResampleEffectTest, ReadQuarterPixelFromTop) { const int width = 3; const int height = 5; float data[width * height] = { 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, }; // See ReadQuarterPixelFromLeft for explanation of the data. float expected_data[width * height] = { -0.06779, 0.0, 0.0, 0.27019, 0.0, 0.0, 0.89007, 0.0, 0.0, -0.13287, 0.0, 0.0, 0.03002, 0.0, 0.0, }; float out_data[width * height]; EffectChainTester tester(data, width, height, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR); Effect *resample_effect = tester.get_chain()->add_effect(new ResampleEffect()); ASSERT_TRUE(resample_effect->set_int("width", width)); ASSERT_TRUE(resample_effect->set_int("height", height)); ASSERT_TRUE(resample_effect->set_float("top", 0.25f)); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(expected_data, out_data, width, height); } TEST(ResampleEffectTest, ReadHalfPixelFromLeftAndScale) { const int src_width = 4; const int dst_width = 8; float data[src_width * 1] = { 1.0, 2.0, 3.0, 4.0, }; float expected_data[dst_width * 1] = { // Empirical; the real test is that we are the same for 0.499 and 0.501. 1.1553, 1.7158, 2.2500, 2.7461, 3.2812, 3.8418, 4.0703, 4.0508 }; float out_data[dst_width * 1]; EffectChainTester tester(nullptr, dst_width, 1, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR); ImageFormat format; format.color_space = COLORSPACE_sRGB; format.gamma_curve = GAMMA_LINEAR; FlatInput *input = new FlatInput(format, FORMAT_GRAYSCALE, GL_FLOAT, src_width, 1); input->set_pixel_data(data); tester.get_chain()->add_input(input); Effect *resample_effect = tester.get_chain()->add_effect(new ResampleEffect()); ASSERT_TRUE(resample_effect->set_int("width", dst_width)); ASSERT_TRUE(resample_effect->set_int("height", 1)); // Check that we are (almost) the same no matter the rounding. ASSERT_TRUE(resample_effect->set_float("left", 0.499f)); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(expected_data, out_data, dst_width, 1, 1.5f / 255.0f, 0.4f / 255.0f); ASSERT_TRUE(resample_effect->set_float("left", 0.501f)); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(expected_data, out_data, dst_width, 1, 1.5f / 255.0f, 0.4f / 255.0f); } TEST(ResampleEffectTest, Zoom) { const int width = 5; const int height = 3; float data[width * height] = { 0.0, 0.0, 0.0, 0.0, 0.0, 0.2, 0.4, 0.6, 0.4, 0.2, 0.0, 0.0, 0.0, 0.0, 0.0, }; float expected_data[width * height] = { 0.0, 0.0, 0.0, 0.0, 0.0, 0.4, 0.5396, 0.6, 0.5396, 0.4, 0.0, 0.0, 0.0, 0.0, 0.0, }; float out_data[width * height]; EffectChainTester tester(data, width, height, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR); Effect *resample_effect = tester.get_chain()->add_effect(new ResampleEffect()); ASSERT_TRUE(resample_effect->set_int("width", width)); ASSERT_TRUE(resample_effect->set_int("height", height)); ASSERT_TRUE(resample_effect->set_float("zoom_x", 2.0f)); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(expected_data, out_data, width, height); } TEST(ResampleEffectTest, VerticalZoomFromTop) { const int width = 5; const int height = 5; float data[width * height] = { 0.2, 0.4, 0.6, 0.4, 0.2, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, }; // Largely empirical data; the main point is that the top line // is unchanged, since that's our zooming point. float expected_data[width * height] = { 0.2000, 0.4000, 0.6000, 0.4000, 0.2000, 0.1389, 0.2778, 0.4167, 0.2778, 0.1389, 0.0600, 0.1199, 0.1798, 0.1199, 0.0600, 0.0000, 0.0000, 0.0000, 0.0000, 0.0000, -0.0229, -0.0459, -0.0688, -0.0459, -0.0229, }; float out_data[width * height]; EffectChainTester tester(data, width, height, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR); Effect *resample_effect = tester.get_chain()->add_effect(new ResampleEffect()); ASSERT_TRUE(resample_effect->set_int("width", width)); ASSERT_TRUE(resample_effect->set_int("height", height)); ASSERT_TRUE(resample_effect->set_float("zoom_y", 3.0f)); ASSERT_TRUE(resample_effect->set_float("zoom_center_y", 0.5f / height)); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(expected_data, out_data, width, height); } TEST(ResampleEffectTest, Precision) { const int size = 1920; // Difficult non-power-of-two size. const int offset = 5; // Deliberately put the data of interest very close to the right, // where texture coordinates are farther from 0 and thus less precise. float data[size * 2] = {0}; data[size - offset] = 1.0f; float expected_data[size * 2] = {0}; for (int x = 0; x < size * 2; ++x) { expected_data[x] = lanczos((x - (size - 2 * offset + 1) + 0.5f) * 0.5f, 3.0f); } float out_data[size * 2]; EffectChainTester tester(data, size * 2, 1, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR); Effect *resample_effect = tester.get_chain()->add_effect(new ResampleEffect()); ASSERT_TRUE(resample_effect->set_int("width", size * 2)); ASSERT_TRUE(resample_effect->set_int("height", 1)); ASSERT_TRUE(resample_effect->set_float("zoom_x", 2.0f)); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(expected_data, out_data, size, 1); } #ifdef HAVE_BENCHMARK template<> inline uint8_t from_fp32(float x) { return lrintf(x * 255.0f); } template void BM_ResampleEffect(benchmark::State &state, GammaCurve gamma_curve, GLenum output_format, const std::string &shader_type) { DisableComputeShadersTemporarily disabler(shader_type == "fragment"); if (disabler.should_skip(&state)) return; unsigned in_width = state.range(0), in_height = state.range(1); unsigned out_width = state.range(2), out_height = state.range(3); unique_ptr data(new T[in_width * in_height * 4]); unique_ptr out_data(new T[out_width * out_height * 4]); for (unsigned i = 0; i < in_width * in_height * 4; ++i) { data[i] = from_fp32(rand() / (RAND_MAX + 1.0)); } EffectChainTester tester(nullptr, out_width, out_height, FORMAT_BGRA_POSTMULTIPLIED_ALPHA, COLORSPACE_sRGB, gamma_curve, output_format); tester.add_input(data.get(), FORMAT_BGRA_POSTMULTIPLIED_ALPHA, COLORSPACE_sRGB, gamma_curve, in_width, in_height); Effect *resample_effect = tester.get_chain()->add_effect(new ResampleEffect()); ASSERT_TRUE(resample_effect->set_int("width", out_width)); ASSERT_TRUE(resample_effect->set_int("height", out_height)); tester.benchmark(state, out_data.get(), GL_BGRA, COLORSPACE_sRGB, gamma_curve, OUTPUT_ALPHA_FORMAT_PREMULTIPLIED); } void BM_ResampleEffectHalf(benchmark::State &state, GammaCurve gamma_curve, const std::string &shader_type) { BM_ResampleEffect(state, gamma_curve, GL_RGBA16F, shader_type); } void BM_ResampleEffectInt8(benchmark::State &state, GammaCurve gamma_curve, const std::string &shader_type) { BM_ResampleEffect(state, gamma_curve, GL_RGBA8, shader_type); } BENCHMARK_CAPTURE(BM_ResampleEffectInt8, Int8Upscale, GAMMA_REC_709, "fragment")->Args({640, 360, 1280, 720})->Args({320, 180, 1280, 720})->Args({321, 181, 1280, 720})->UseRealTime()->Unit(benchmark::kMicrosecond); BENCHMARK_CAPTURE(BM_ResampleEffectHalf, Float16Upscale, GAMMA_LINEAR, "fragment")->Args({640, 360, 1280, 720})->Args({320, 180, 1280, 720})->Args({321, 181, 1280, 720})->UseRealTime()->Unit(benchmark::kMicrosecond); BENCHMARK_CAPTURE(BM_ResampleEffectInt8, Int8Downscale, GAMMA_REC_709, "fragment")->Args({1280, 720, 640, 360})->Args({1280, 720, 320, 180})->Args({1280, 720, 321, 181})->UseRealTime()->Unit(benchmark::kMicrosecond); BENCHMARK_CAPTURE(BM_ResampleEffectHalf, Float16Downscale, GAMMA_LINEAR, "fragment")->Args({1280, 720, 640, 360})->Args({1280, 720, 320, 180})->Args({1280, 720, 321, 181})->UseRealTime()->Unit(benchmark::kMicrosecond); void BM_ComputeBilinearScalingWeights(benchmark::State &state) { constexpr unsigned src_size = 1280; constexpr unsigned dst_size = 35; int old_precision = movit_texel_subpixel_precision; movit_texel_subpixel_precision = 64; // To get consistent results across GPUs; this is a CPU test. // One iteration warmup to make sure the Lanczos table is computed. calculate_bilinear_scaling_weights(src_size, dst_size, 0.999f, 0.0f); for (auto _ : state) { ScalingWeights weights = calculate_bilinear_scaling_weights(src_size, dst_size, 0.999f, 0.0f); } movit_texel_subpixel_precision = old_precision; } BENCHMARK(BM_ComputeBilinearScalingWeights)->Unit(benchmark::kMicrosecond); #endif } // namespace movit movit-1.7.1/dither_effect_test.cpp0000644000175000017500000000345114462263704016255 0ustar sessesesse// Unit tests for DitherEffect. // // Note: Dithering of multiple outputs is tested (somewhat weakly) // in YCbCrConversionEffectTest. #include #include #include "effect_chain.h" #include "gtest/gtest.h" #include "image_format.h" #include "test_util.h" #include "util.h" namespace movit { TEST(DitherEffectTest, NoDitherOnExactValues) { const int size = 4; float data[size * size] = { 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 1.0, 0.0, 0.0, 0.2, 1.0, 0.2, 0.0, 0.0, 0.0, 0.0, }; unsigned char expected_data[size * size] = { 0, 255, 0, 255, 0, 255, 255, 0, 0, 51, 255, 51, 0, 0, 0, 0, }; unsigned char out_data[size * size]; EffectChainTester tester(data, size, size, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR, GL_RGBA8); check_error(); tester.get_chain()->set_dither_bits(8); check_error(); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); check_error(); expect_equal(expected_data, out_data, size, size); } TEST(DitherEffectTest, SinusoidBelowOneLevelComesThrough) { const float frequency = 0.3f * M_PI; const unsigned size = 2048; const float amplitude = 0.25f / 255.0f; // 6 dB below what can be represented without dithering. float data[size]; for (unsigned i = 0; i < size; ++i) { data[i] = 0.2 + amplitude * sin(i * frequency); } unsigned char out_data[size]; EffectChainTester tester(data, size, 1, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR, GL_RGBA8); tester.get_chain()->set_dither_bits(8); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); // Measure how strong the given sinusoid is in the output. float sum = 0.0f; for (unsigned i = 0; i < size; ++i) { sum += 2.0 * (int(out_data[i]) - 0.2*255.0) * sin(i * frequency); } EXPECT_NEAR(amplitude, sum / (size * 255.0f), 1.1e-5); } } // namespace movit movit-1.7.1/deconvolution_sharpen_effect_test.cpp0000644000175000017500000002661614462263704021416 0ustar sessesesse// Unit tests for DeconvolutionSharpenEffect. #include #include #include #include "deconvolution_sharpen_effect.h" #include "effect_chain.h" #include "gtest/gtest.h" #include "image_format.h" #include "test_util.h" namespace movit { TEST(DeconvolutionSharpenEffectTest, IdentityTransformDoesNothing) { const int size = 4; float data[size * size] = { 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 1.0, 0.0, 0.0, 0.5, 1.0, 0.5, 0.0, 0.0, 0.0, 0.0, }; float out_data[size * size]; EffectChainTester tester(data, size, size, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR); Effect *deconvolution_effect = tester.get_chain()->add_effect(new DeconvolutionSharpenEffect()); ASSERT_TRUE(deconvolution_effect->set_int("matrix_size", 5)); ASSERT_TRUE(deconvolution_effect->set_float("circle_radius", 0.0f)); ASSERT_TRUE(deconvolution_effect->set_float("gaussian_radius", 0.0f)); ASSERT_TRUE(deconvolution_effect->set_float("correlation", 0.0001f)); ASSERT_TRUE(deconvolution_effect->set_float("noise", 0.0f)); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(data, out_data, size, size); } TEST(DeconvolutionSharpenEffectTest, DeconvolvesCircularBlur) { const int size = 13; // Matches exactly a circular blur kernel with radius 2.0. float data[size * size] = { 0.0, 0.0, 0.0, 0.0, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.000000, 0.017016, 0.038115, 0.017016, 0.000000, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.017016, 0.078381, 0.079577, 0.078381, 0.017016, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.038115, 0.079577, 0.079577, 0.079577, 0.038115, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.017016, 0.078381, 0.079577, 0.078381, 0.017016, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.000000, 0.017016, 0.038115, 0.017016, 0.000000, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.0, 0.0, 0.0, 0.0, }; float expected_data[size * size] = { 0.0, 0.0, 0.0, 0.0, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.000000, 0.000000, 1.000000, 0.000000, 0.000000, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.0, 0.0, 0.0, 0.0, }; float out_data[size * size]; EffectChainTester tester(data, size, size, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR); Effect *deconvolution_effect = tester.get_chain()->add_effect(new DeconvolutionSharpenEffect()); ASSERT_TRUE(deconvolution_effect->set_int("matrix_size", 5)); ASSERT_TRUE(deconvolution_effect->set_float("circle_radius", 2.0f)); ASSERT_TRUE(deconvolution_effect->set_float("gaussian_radius", 0.0f)); ASSERT_TRUE(deconvolution_effect->set_float("correlation", 0.0001f)); ASSERT_TRUE(deconvolution_effect->set_float("noise", 0.0f)); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); // The limits have to be quite lax; deconvolution is not an exact operation. expect_equal(expected_data, out_data, size, size, 0.15f, 0.005f); } TEST(DeconvolutionSharpenEffectTest, DeconvolvesGaussianBlur) { const int size = 13; const float sigma = 0.5f; float data[size * size], out_data[size * size]; float expected_data[] = { 0.0, 0.0, 0.0, 0.0, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.000000, 0.000000, 1.000000, 0.000000, 0.000000, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.0, 0.0, 0.0, 0.0, }; float sum = 0.0f; for (int y = 0; y < size; ++y) { for (int x = 0; x < size; ++x) { float z = hypot(x - 6, y - 6); data[y * size + x] = exp(-z*z / (2.0 * sigma * sigma)) / (2.0 * M_PI * sigma * sigma); sum += data[y * size + x]; } } for (int y = 0; y < size; ++y) { for (int x = 0; x < size; ++x) { data[y * size + x] /= sum; } } EffectChainTester tester(data, size, size, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR); Effect *deconvolution_effect = tester.get_chain()->add_effect(new DeconvolutionSharpenEffect()); ASSERT_TRUE(deconvolution_effect->set_int("matrix_size", 5)); ASSERT_TRUE(deconvolution_effect->set_float("circle_radius", 0.0f)); ASSERT_TRUE(deconvolution_effect->set_float("gaussian_radius", sigma)); ASSERT_TRUE(deconvolution_effect->set_float("correlation", 0.0001f)); ASSERT_TRUE(deconvolution_effect->set_float("noise", 0.0f)); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); // We don't actually need to adjust the limits here; deconvolution of // this kernel is pretty much exact. expect_equal(expected_data, out_data, size, size); } TEST(DeconvolutionSharpenEffectTest, NoiseAndCorrelationControlsReduceNoiseBoosting) { const int size = 13; const float sigma = 0.5f; float data[size * size], out_data[size * size]; float expected_data[size * size] = { 0.0, 0.0, 0.0, 0.0, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.000000, 0.000000, 1.000000, 0.000000, 0.000000, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.0, 0.0, 0.0, 0.0, }; // Gaussian kernel. float sum = 0.0f; for (int y = 0; y < size; ++y) { for (int x = 0; x < size; ++x) { float z = hypot(x - 6, y - 6); data[y * size + x] = exp(-z*z / (2.0 * sigma * sigma)) / (2.0 * M_PI * sigma * sigma); sum += data[y * size + x]; } } for (int y = 0; y < size; ++y) { for (int x = 0; x < size; ++x) { data[y * size + x] /= sum; } } // Corrupt with some uniform noise. srand(1234); for (int i = 0; i < size * size; ++i) { data[i] += 0.1 * ((float)rand() / RAND_MAX - 0.5); } EffectChainTester tester(data, size, size, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR); Effect *deconvolution_effect = tester.get_chain()->add_effect(new DeconvolutionSharpenEffect()); ASSERT_TRUE(deconvolution_effect->set_int("matrix_size", 5)); ASSERT_TRUE(deconvolution_effect->set_float("circle_radius", 0.0f)); ASSERT_TRUE(deconvolution_effect->set_float("gaussian_radius", 0.5f)); ASSERT_TRUE(deconvolution_effect->set_float("correlation", 0.5f)); ASSERT_TRUE(deconvolution_effect->set_float("noise", 0.1f)); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); float sumsq_in = 0.0f, sumsq_out = 0.0f; for (int i = 0; i < size * size; ++i) { sumsq_in += data[i] * data[i]; sumsq_out += out_data[i] * out_data[i]; } // The limits have to be quite lax; deconvolution is not an exact operation. // We special-case the center sample since it's the one with the largest error // almost no matter what we do, so we don't want that to be the dominating // factor in the outlier tests. int center = size / 2; EXPECT_GT(out_data[center * size + center], 0.5f); out_data[center * size + center] = 1.0f; expect_equal(expected_data, out_data, size, size, 0.20f, 0.005f); // Check that we didn't boost total energy (which in this case means the noise) more than 10%. EXPECT_LT(sumsq_out, sumsq_in * 1.1f); } TEST(DeconvolutionSharpenEffectTest, CircularDeconvolutionKeepsAlpha) { // Somewhat bigger, to make sure we are much bigger than the matrix size. const int size = 32; float data[size * size * 4]; float out_data[size * size]; float expected_alpha[size * size]; // Checkerbox pattern. for (int y = 0; y < size; ++y) { for (int x = 0; x < size; ++x) { int c = (y ^ x) & 1; data[(y * size + x) * 4 + 0] = c; data[(y * size + x) * 4 + 1] = c; data[(y * size + x) * 4 + 2] = c; data[(y * size + x) * 4 + 3] = 1.0; expected_alpha[y * size + x] = 1.0; } } EffectChainTester tester(data, size, size, FORMAT_RGBA_POSTMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_LINEAR); Effect *deconvolution_effect = tester.get_chain()->add_effect(new DeconvolutionSharpenEffect()); ASSERT_TRUE(deconvolution_effect->set_int("matrix_size", 5)); ASSERT_TRUE(deconvolution_effect->set_float("circle_radius", 2.0f)); ASSERT_TRUE(deconvolution_effect->set_float("gaussian_radius", 0.0f)); ASSERT_TRUE(deconvolution_effect->set_float("correlation", 0.0001f)); ASSERT_TRUE(deconvolution_effect->set_float("noise", 0.0f)); tester.run(out_data, GL_ALPHA, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(expected_alpha, out_data, size, size); } } // namespace movit movit-1.7.1/fft_pass_effect_test.cpp0000644000175000017500000002771514462263704016614 0ustar sessesesse// Unit tests for FFTPassEffect. #include #include #include #include #include #include "effect_chain.h" #include "fft_pass_effect.h" #include "image_format.h" #include "multiply_effect.h" #include "test_util.h" namespace movit { namespace { // Generate a random number uniformly distributed between [-1.0, 1.0]. float uniform_random() { return 2.0 * ((float)rand() / RAND_MAX - 0.5); } void setup_fft(EffectChain *chain, int fft_size, bool inverse, bool add_normalizer = false, FFTPassEffect::Direction direction = FFTPassEffect::HORIZONTAL) { assert((fft_size & (fft_size - 1)) == 0); // Must be power of two. for (int i = 1, subsize = 2; subsize <= fft_size; ++i, subsize *= 2) { Effect *fft_effect = chain->add_effect(new FFTPassEffect()); bool ok = fft_effect->set_int("fft_size", fft_size); ok |= fft_effect->set_int("pass_number", i); ok |= fft_effect->set_int("inverse", inverse); ok |= fft_effect->set_int("direction", direction); assert(ok); } if (add_normalizer) { float factor[4] = { 1.0f / fft_size, 1.0f / fft_size, 1.0f / fft_size, 1.0f / fft_size }; Effect *multiply_effect = chain->add_effect(new MultiplyEffect()); bool ok = multiply_effect->set_vec4("factor", factor); assert(ok); } } void run_fft(const float *in, float *out, int fft_size, bool inverse, bool add_normalizer = false, FFTPassEffect::Direction direction = FFTPassEffect::HORIZONTAL) { int width, height; if (direction == FFTPassEffect::HORIZONTAL) { width = fft_size; height = 1; } else { width = 1; height = fft_size; } EffectChainTester tester(in, width, height, FORMAT_RGBA_PREMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_LINEAR); setup_fft(tester.get_chain(), fft_size, inverse, add_normalizer, direction); tester.run(out, GL_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR, OUTPUT_ALPHA_FORMAT_PREMULTIPLIED); } } // namespace TEST(FFTPassEffectTest, ZeroStaysZero) { const int fft_size = 64; float data[fft_size * 4] = { 0 }; float out_data[fft_size * 4]; run_fft(data, out_data, fft_size, false); expect_equal(data, out_data, 4, fft_size); run_fft(data, out_data, fft_size, true); expect_equal(data, out_data, 4, fft_size); } TEST(FFTPassEffectTest, Impulse) { const int fft_size = 64; float data[fft_size * 4] = { 0 }; float expected_data[fft_size * 4], out_data[fft_size * 4]; data[0] = 1.0; data[1] = 1.2; data[2] = 1.4; data[3] = 3.0; for (int i = 0; i < fft_size; ++i) { expected_data[i * 4 + 0] = data[0]; expected_data[i * 4 + 1] = data[1]; expected_data[i * 4 + 2] = data[2]; expected_data[i * 4 + 3] = data[3]; } run_fft(data, out_data, fft_size, false); expect_equal(expected_data, out_data, 4, fft_size); run_fft(data, out_data, fft_size, true); expect_equal(expected_data, out_data, 4, fft_size); } TEST(FFTPassEffectTest, SingleFrequency) { const int fft_size = 16; float data[fft_size * 4] = { 0 }; float expected_data[fft_size * 4], out_data[fft_size * 4]; for (int i = 0; i < fft_size; ++i) { data[i * 4 + 0] = sin(2.0 * M_PI * (4.0 * i) / fft_size); data[i * 4 + 1] = 0.0; data[i * 4 + 2] = 0.0; data[i * 4 + 3] = 0.0; } for (int i = 0; i < fft_size; ++i) { expected_data[i * 4 + 0] = 0.0; expected_data[i * 4 + 1] = 0.0; expected_data[i * 4 + 2] = 0.0; expected_data[i * 4 + 3] = 0.0; } expected_data[4 * 4 + 1] = -8.0; expected_data[12 * 4 + 1] = 8.0; run_fft(data, out_data, fft_size, false, false, FFTPassEffect::HORIZONTAL); expect_equal(expected_data, out_data, 4, fft_size); run_fft(data, out_data, fft_size, false, false, FFTPassEffect::VERTICAL); expect_equal(expected_data, out_data, 4, fft_size); } TEST(FFTPassEffectTest, Repeat) { srand(12345); for (int fft_size = 2; fft_size <= 128; fft_size *= 2) { const int num_repeats = 31; // Prime, to make things more challenging. float data[num_repeats * fft_size * 4]; float expected_data[num_repeats * fft_size * 4], out_data[num_repeats * fft_size * 4]; for (int i = 0; i < num_repeats * fft_size * 4; ++i) { data[i] = uniform_random(); } for (int i = 0; i < num_repeats; ++i) { run_fft(data + i * fft_size * 4, expected_data + i * fft_size * 4, fft_size, false); } { // Horizontal. EffectChainTester tester(data, num_repeats * fft_size, 1, FORMAT_RGBA_PREMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_LINEAR); setup_fft(tester.get_chain(), fft_size, false); tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR, OUTPUT_ALPHA_FORMAT_PREMULTIPLIED); expect_equal(expected_data, out_data, 4, num_repeats * fft_size); } { // Vertical. EffectChainTester tester(data, 1, num_repeats * fft_size, FORMAT_RGBA_PREMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_LINEAR); setup_fft(tester.get_chain(), fft_size, false, false, FFTPassEffect::VERTICAL); tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR, OUTPUT_ALPHA_FORMAT_PREMULTIPLIED); expect_equal(expected_data, out_data, 4, num_repeats * fft_size); } } } TEST(FFTPassEffectTest, TwoDimensional) { // Implicitly tests vertical. srand(1234); const int fft_size = 16; float in[fft_size * fft_size * 4], out[fft_size * fft_size * 4], expected_out[fft_size * fft_size * 4]; for (int y = 0; y < fft_size; ++y) { for (int x = 0; x < fft_size; ++x) { in[(y * fft_size + x) * 4 + 0] = sin(2.0 * M_PI * (2 * x + 3 * y) / fft_size); in[(y * fft_size + x) * 4 + 1] = 0.0; in[(y * fft_size + x) * 4 + 2] = 0.0; in[(y * fft_size + x) * 4 + 3] = 0.0; } } memset(expected_out, 0, sizeof(expected_out)); // This result has been verified using the fft2() function in Octave, // which uses FFTW. expected_out[(3 * fft_size + 2) * 4 + 1] = -128.0; expected_out[(13 * fft_size + 14) * 4 + 1] = 128.0; EffectChainTester tester(in, fft_size, fft_size, FORMAT_RGBA_PREMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_LINEAR); setup_fft(tester.get_chain(), fft_size, false, false, FFTPassEffect::HORIZONTAL); setup_fft(tester.get_chain(), fft_size, false, false, FFTPassEffect::VERTICAL); tester.run(out, GL_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR, OUTPUT_ALPHA_FORMAT_PREMULTIPLIED); expect_equal(expected_out, out, 4 * fft_size, fft_size, 0.25, 0.0005); } // The classic paper for FFT correctness testing is Funda Ergün: // “Testing Multivariate Linear Functions: Overcoming the Generator Bottleneck” // (http://www.cs.sfu.ca/~funda/PUBLICATIONS/stoc95.ps), which proves that // testing three basic properties of FFTs guarantees that the function is // correct (at least under the assumption that errors are random). // // We don't follow the paper directly, though, for a few reasons: First, // Ergün's paper really considers _self-correcting_ systems, which may // be stochastically faulty, and thus uses various relatively complicated // bounds and tests we don't really need. Second, the FFTs it considers // are all about polynomials over finite fields, which means that results // are exact and thus easy to test; we work with floats (half-floats!), // and thus need some error tolerance. // // So instead, we follow the implementation of FFTW, which is really the // gold standard when it comes to FFTs these days. They hard-code 20 // testing rounds as opposed to the more complicated bounds in the paper, // and have a simpler version of the third test. // // The error bounds are set somewhat empirically, but remember that these // inputs will give frequency values as large as ~16, where 0.025 is // within the 9th bit (of 11 total mantissa bits in fp16). const int ergun_rounds = 20; // Test 1: Test that FFT(a + b) = FFT(a) + FFT(b). TEST(FFTPassEffectTest, ErgunLinearityTest) { srand(1234); const int max_fft_size = 64; float a[max_fft_size * 4], b[max_fft_size * 4], sum[max_fft_size * 4]; float a_out[max_fft_size * 4], b_out[max_fft_size * 4], sum_out[max_fft_size * 4], expected_sum_out[max_fft_size * 4]; for (int fft_size = 2; fft_size <= max_fft_size; fft_size *= 2) { for (int inverse = 0; inverse <= 1; ++inverse) { for (int i = 0; i < ergun_rounds; ++i) { for (int j = 0; j < fft_size * 4; ++j) { a[j] = uniform_random(); b[j] = uniform_random(); } run_fft(a, a_out, fft_size, inverse); run_fft(b, b_out, fft_size, inverse); for (int j = 0; j < fft_size * 4; ++j) { sum[j] = a[j] + b[j]; expected_sum_out[j] = a_out[j] + b_out[j]; } run_fft(sum, sum_out, fft_size, inverse); expect_equal(expected_sum_out, sum_out, 4, fft_size, 0.03, 0.0005); } } } } // Test 2: Test that FFT(delta(i)) = 1 (where delta(i) = [1 0 0 0 ...]), // or more specifically, test that FFT(a + delta(i)) - FFT(a) = 1. TEST(FFTPassEffectTest, ErgunImpulseTransform) { srand(1235); const int max_fft_size = 64; float a[max_fft_size * 4], b[max_fft_size * 4]; float a_out[max_fft_size * 4], b_out[max_fft_size * 4], sum_out[max_fft_size * 4], expected_sum_out[max_fft_size * 4]; for (int fft_size = 2; fft_size <= max_fft_size; fft_size *= 2) { for (int inverse = 0; inverse <= 1; ++inverse) { for (int i = 0; i < ergun_rounds; ++i) { for (int j = 0; j < fft_size * 4; ++j) { a[j] = uniform_random(); // Compute delta(j) - a. if (j < 4) { b[j] = 1.0 - a[j]; } else { b[j] = -a[j]; } } run_fft(a, a_out, fft_size, inverse); run_fft(b, b_out, fft_size, inverse); for (int j = 0; j < fft_size * 4; ++j) { sum_out[j] = a_out[j] + b_out[j]; expected_sum_out[j] = 1.0; } expect_equal(expected_sum_out, sum_out, 4, fft_size, 0.025, 0.0005); } } } } // Test 3: Test the time-shift property of the FFT, in that a circular left-shift // multiplies the result by e^(j 2pi k/N) (linear phase adjustment). // As fftw_test.c says, “The paper performs more tests, but this code should be // fine too”. TEST(FFTPassEffectTest, ErgunShiftProperty) { srand(1236); const int max_fft_size = 64; float a[max_fft_size * 4], b[max_fft_size * 4]; float a_out[max_fft_size * 4], b_out[max_fft_size * 4], expected_a_out[max_fft_size * 4]; for (int fft_size = 2; fft_size <= max_fft_size; fft_size *= 2) { for (int inverse = 0; inverse <= 1; ++inverse) { for (int direction = 0; direction <= 1; ++direction) { for (int i = 0; i < ergun_rounds; ++i) { for (int j = 0; j < fft_size * 4; ++j) { a[j] = uniform_random(); } // Circular shift left by one step. for (int j = 0; j < fft_size * 4; ++j) { b[j] = a[(j + 4) % (fft_size * 4)]; } run_fft(a, a_out, fft_size, inverse, false, FFTPassEffect::Direction(direction)); run_fft(b, b_out, fft_size, inverse, false, FFTPassEffect::Direction(direction)); for (int j = 0; j < fft_size; ++j) { double s = -sin(j * 2.0 * M_PI / fft_size); double c = cos(j * 2.0 * M_PI / fft_size); if (inverse) { s = -s; } expected_a_out[j * 4 + 0] = b_out[j * 4 + 0] * c - b_out[j * 4 + 1] * s; expected_a_out[j * 4 + 1] = b_out[j * 4 + 0] * s + b_out[j * 4 + 1] * c; expected_a_out[j * 4 + 2] = b_out[j * 4 + 2] * c - b_out[j * 4 + 3] * s; expected_a_out[j * 4 + 3] = b_out[j * 4 + 2] * s + b_out[j * 4 + 3] * c; } expect_equal(expected_a_out, a_out, 4, fft_size, 0.025, 0.0005); } } } } } TEST(FFTPassEffectTest, BigFFTAccuracy) { srand(1234); const int max_fft_size = 2048; float in[max_fft_size * 4], out[max_fft_size * 4], out2[max_fft_size * 4]; for (int fft_size = 2; fft_size <= max_fft_size; fft_size *= 2) { for (int j = 0; j < fft_size * 4; ++j) { in[j] = uniform_random(); } run_fft(in, out, fft_size, false, true); // Forward, with normalization. run_fft(out, out2, fft_size, true); // Reverse. // These error bounds come from // http://en.wikipedia.org/wiki/Fast_Fourier_transform#Accuracy_and_approximations, // with empirically estimated epsilons. Note that the calculated // rms in expect_equal() is divided by sqrt(N), so we compensate // similarly here. double max_error = 0.0009 * log2(fft_size); double rms_limit = 0.0007 * sqrt(log2(fft_size)) / sqrt(fft_size); expect_equal(in, out2, 4, fft_size, max_error, rms_limit); } } } // namespace movit movit-1.7.1/vignette_effect_test.cpp0000644000175000017500000000565514462263704016633 0ustar sessesesse// Unit tests for VignetteEffect. #include #include #include "effect_chain.h" #include "gtest/gtest.h" #include "image_format.h" #include "test_util.h" #include "vignette_effect.h" namespace movit { TEST(VignetteEffectTest, HugeInnerRadiusDoesNothing) { const int size = 4; float data[size * size] = { 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 1.0, 0.0, 0.0, 0.5, 1.0, 0.5, 0.0, 0.0, 0.0, 0.0, }; float out_data[size * size]; EffectChainTester tester(data, size, size, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR); Effect *vignette_effect = tester.get_chain()->add_effect(new VignetteEffect()); ASSERT_TRUE(vignette_effect->set_float("inner_radius", 10.0f)); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(data, out_data, size, size); } TEST(VignetteEffectTest, HardCircle) { const int size = 16; float data[size * size], out_data[size * size], expected_data[size * size]; for (int y = 0; y < size; ++y) { for (int x = 0; x < size; ++x) { data[y * size + x] = 1.0f; } } for (int y = 0; y < size; ++y) { const float yf = (y + 0.5f) / size; for (int x = 0; x < size; ++x) { const float xf = (x + 0.5f) / size; if (hypot(xf - 0.5, yf - 0.5) < 0.3) { expected_data[y * size + x] = 1.0f; } else { expected_data[y * size + x] = 0.0f; } } } EffectChainTester tester(data, size, size, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR); Effect *vignette_effect = tester.get_chain()->add_effect(new VignetteEffect()); ASSERT_TRUE(vignette_effect->set_float("radius", 0.0f)); ASSERT_TRUE(vignette_effect->set_float("inner_radius", 0.3f)); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(expected_data, out_data, size, size); } TEST(VignetteEffectTest, BurstFromUpperLeftCorner) { const int width = 16, height = 24; float radius = 0.5f; float data[width * height], out_data[width * height], expected_data[width * height]; for (int y = 0; y < height; ++y) { for (int x = 0; x < width; ++x) { data[y * width + x] = 1.0f; } } for (int y = 0; y < height; ++y) { const float yf = (y + 0.5f) / width; // Note: Division by width. for (int x = 0; x < width; ++x) { const float xf = (x + 0.5f) / width; const float d = hypot(xf, yf) / radius; if (d >= 1.0f) { expected_data[y * width + x] = 0.0f; } else { expected_data[y * width + x] = cos(d * 0.5 * M_PI) * cos(d * 0.5 * M_PI); } } } EffectChainTester tester(data, width, height, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR); Effect *vignette_effect = tester.get_chain()->add_effect(new VignetteEffect()); float center[] = { 0.0f, 0.0f }; ASSERT_TRUE(vignette_effect->set_vec2("center", center)); ASSERT_TRUE(vignette_effect->set_float("radius", radius)); ASSERT_TRUE(vignette_effect->set_float("inner_radius", 0.0f)); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(expected_data, out_data, width, height); } } // namespace movit movit-1.7.1/slice_effect_test.cpp0000644000175000017500000001262314462263704016076 0ustar sessesesse// Unit tests for SliceEffect. #include #include "effect_chain.h" #include "flat_input.h" #include "gtest/gtest.h" #include "image_format.h" #include "input.h" #include "slice_effect.h" #include "test_util.h" namespace movit { TEST(SliceEffectTest, Identity) { const int size = 3, output_size = 4; float data[size * size] = { 0.0f, 0.1f, 0.2f, 0.4f, 0.3f, 0.8f, 0.5f, 0.2f, 0.1f, }; float expected_data[output_size * size] = { 0.0f, 0.1f, 0.2f, 0.2f, 0.4f, 0.3f, 0.8f, 0.8f, 0.5f, 0.2f, 0.1f, 0.1f, }; float out_data[output_size * size]; EffectChainTester tester(nullptr, output_size, size, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR); tester.add_input(data, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR, size, size); Effect *slice_effect = tester.get_chain()->add_effect(new SliceEffect()); ASSERT_TRUE(slice_effect->set_int("input_slice_size", 2)); ASSERT_TRUE(slice_effect->set_int("output_slice_size", 2)); ASSERT_TRUE(slice_effect->set_int("direction", SliceEffect::HORIZONTAL)); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(expected_data, out_data, output_size, size); } TEST(SliceEffectTest, HorizontalOverlap) { float data[5 * 2] = { 0.0f, 0.1f, 0.2f, 0.3f, 0.4f, 0.4f, 0.3f, 0.2f, 0.1f, 0.0f, }; float expected_data[9 * 2] = { 0.0f, 0.1f, 0.2f, 0.2f, 0.3f, 0.4f, 0.4f, 0.4f, 0.4f, 0.4f, 0.3f, 0.2f, 0.2f, 0.1f, 0.0f, 0.0f, 0.0f, 0.0f, }; float out_data[9 * 2]; EffectChainTester tester(nullptr, 9, 2, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR); tester.add_input(data, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR, 5, 2); Effect *slice_effect = tester.get_chain()->add_effect(new SliceEffect()); ASSERT_TRUE(slice_effect->set_int("input_slice_size", 2)); ASSERT_TRUE(slice_effect->set_int("output_slice_size", 3)); ASSERT_TRUE(slice_effect->set_int("direction", SliceEffect::HORIZONTAL)); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(expected_data, out_data, 9, 2); } TEST(SliceEffectTest, HorizontalDiscard) { float data[6 * 2] = { 0.0f, 0.1f, 0.2f, 0.2f, 0.3f, 0.4f, 0.4f, 0.3f, 0.2f, 0.2f, 0.1f, 0.0f, }; float expected_data[4 * 2] = { 0.0f, 0.1f, 0.2f, 0.3f, 0.4f, 0.3f, 0.2f, 0.1f, }; float out_data[4 * 2]; EffectChainTester tester(nullptr, 4, 2, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR); tester.add_input(data, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR, 6, 2); Effect *slice_effect = tester.get_chain()->add_effect(new SliceEffect()); ASSERT_TRUE(slice_effect->set_int("input_slice_size", 3)); ASSERT_TRUE(slice_effect->set_int("output_slice_size", 2)); ASSERT_TRUE(slice_effect->set_int("direction", SliceEffect::HORIZONTAL)); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(expected_data, out_data, 4, 2); } TEST(SliceEffectTest, HorizontalOverlapWithOffset) { float data[5 * 2] = { /* 0.0f, */ 0.0f, 0.1f, 0.2f, 0.3f, 0.4f, /* 0.4f, */ 0.4f, 0.3f, 0.2f, 0.1f, 0.0f, }; float expected_data[9 * 2] = { 0.0f, 0.0f, 0.1f, 0.1f, 0.2f, 0.3f, 0.3f, 0.4f, 0.4f, 0.4f, 0.4f, 0.3f, 0.3f, 0.2f, 0.1f, 0.1f, 0.0f, 0.0f, }; float out_data[9 * 2]; EffectChainTester tester(nullptr, 9, 2, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR); tester.add_input(data, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR, 5, 2); Effect *slice_effect = tester.get_chain()->add_effect(new SliceEffect()); ASSERT_TRUE(slice_effect->set_int("input_slice_size", 2)); ASSERT_TRUE(slice_effect->set_int("output_slice_size", 3)); ASSERT_TRUE(slice_effect->set_int("offset", -1)); ASSERT_TRUE(slice_effect->set_int("direction", SliceEffect::HORIZONTAL)); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(expected_data, out_data, 9, 2); } TEST(SliceEffectTest, VerticalOverlapSlicesFromTop) { float data[2 * 3] = { 0.0f, 0.1f, 0.4f, 0.3f, 0.6f, 0.2f, }; float expected_data[2 * 6] = { 0.0f, 0.1f, 0.4f, 0.3f, 0.6f, 0.2f, 0.6f, 0.2f, 0.6f, 0.2f, 0.6f, 0.2f, }; float out_data[2 * 6]; EffectChainTester tester(nullptr, 2, 6, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR); tester.add_input(data, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR, 2, 3); Effect *slice_effect = tester.get_chain()->add_effect(new SliceEffect()); ASSERT_TRUE(slice_effect->set_int("input_slice_size", 2)); ASSERT_TRUE(slice_effect->set_int("output_slice_size", 3)); ASSERT_TRUE(slice_effect->set_int("direction", SliceEffect::VERTICAL)); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(expected_data, out_data, 2, 6); } TEST(SliceEffectTest, VerticalOverlapOffsetsFromTop) { float data[2 * 3] = { 0.0f, 0.1f, 0.4f, 0.3f, 0.6f, 0.2f, }; float expected_data[2 * 6] = { 0.4f, 0.3f, 0.6f, 0.2f, 0.6f, 0.2f, 0.6f, 0.2f, 0.6f, 0.2f, 0.6f, 0.2f, }; float out_data[2 * 6]; EffectChainTester tester(nullptr, 2, 6, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR); tester.add_input(data, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR, 2, 3); Effect *slice_effect = tester.get_chain()->add_effect(new SliceEffect()); ASSERT_TRUE(slice_effect->set_int("input_slice_size", 2)); ASSERT_TRUE(slice_effect->set_int("output_slice_size", 3)); ASSERT_TRUE(slice_effect->set_int("offset", 1)); ASSERT_TRUE(slice_effect->set_int("direction", SliceEffect::VERTICAL)); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(expected_data, out_data, 2, 6); } } // namespace movit movit-1.7.1/complex_modulate_effect_test.cpp0000644000175000017500000000572614462263704020346 0ustar sessesesse// Unit tests for ComplexModulateEffect. #include #include "effect_chain.h" #include "gtest/gtest.h" #include "complex_modulate_effect.h" #include "image_format.h" #include "input.h" #include "test_util.h" namespace movit { TEST(ComplexModulateEffectTest, Identity) { const int size = 3; float data_a[size * 4] = { 0.0f, 0.1f, 0.2f, 0.1f, 0.4f, 0.3f, 0.8f, 2.0f, 0.5f, 0.2f, 0.1f, 0.0f, }; float data_b[size * 2] = { 1.0f, 0.0f, 1.0f, 0.0f, 1.0f, 0.0f, }; float out_data[size * 4]; EffectChainTester tester(data_a, 1, size, FORMAT_RGBA_PREMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_LINEAR); Effect *input1 = tester.get_chain()->last_added_effect(); Effect *input2 = tester.add_input(data_b, FORMAT_RG, COLORSPACE_sRGB, GAMMA_LINEAR); tester.get_chain()->add_effect(new ComplexModulateEffect(), input1, input2); tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR, OUTPUT_ALPHA_FORMAT_PREMULTIPLIED); expect_equal(data_a, out_data, 4, size); } TEST(ComplexModulateEffectTest, ComplexMultiplication) { const int size = 2; float data_a[size * 4] = { 0.0f, 0.1f, 0.2f, 0.1f, 0.4f, 0.3f, 0.8f, 2.0f, }; float data_b[size * 2] = { 0.0f, 1.0f, 0.5f, -0.8f, }; float expected_data[size * 4] = { -0.1f, 0.0f, -0.1f, 0.2f, 0.44f, -0.17f, 2.0f, 0.36f, }; float out_data[size * 4]; EffectChainTester tester(data_a, 1, size, FORMAT_RGBA_PREMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_LINEAR); Effect *input1 = tester.get_chain()->last_added_effect(); Effect *input2 = tester.add_input(data_b, FORMAT_RG, COLORSPACE_sRGB, GAMMA_LINEAR); tester.get_chain()->add_effect(new ComplexModulateEffect(), input1, input2); tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR, OUTPUT_ALPHA_FORMAT_PREMULTIPLIED); expect_equal(expected_data, out_data, 4, size); } TEST(ComplexModulateEffectTest, Repeat) { const int size = 2, repeats = 3; float data_a[size * repeats * 4] = { 0.0f, 0.1f, 0.2f, 0.3f, 1.0f, 1.1f, 1.2f, 1.3f, 2.0f, 2.1f, 2.2f, 2.3f, 3.0f, 3.1f, 3.2f, 3.3f, 4.0f, 4.1f, 4.2f, 4.3f, 5.0f, 5.1f, 5.2f, 5.3f, }; float data_b[size * 2] = { 1.0f, 0.0f, 0.0f, -1.0f, }; float expected_data[size * repeats * 4] = { 0.0f, 0.1f, 0.2f, 0.3f, 1.1f, -1.0f, 1.3f, -1.2f, 2.0f, 2.1f, 2.2f, 2.3f, 3.1f, -3.0f, 3.3f, -3.2f, 4.0f, 4.1f, 4.2f, 4.3f, 5.1f, -5.0f, 5.3f, -5.2f, }; float out_data[size * repeats * 4]; EffectChainTester tester(data_a, 1, repeats * size, FORMAT_RGBA_PREMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_LINEAR); Effect *input1 = tester.get_chain()->last_added_effect(); Effect *input2 = tester.add_input(data_b, FORMAT_RG, COLORSPACE_sRGB, GAMMA_LINEAR, 1, size); Effect *effect = tester.get_chain()->add_effect(new ComplexModulateEffect(), input1, input2); ASSERT_TRUE(effect->set_int("num_repeats_y", repeats)); tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR, OUTPUT_ALPHA_FORMAT_PREMULTIPLIED); expect_equal(expected_data, out_data, 4, size * repeats); } } // namespace movit movit-1.7.1/luma_mix_effect_test.cpp0000644000175000017500000001064114462263704016610 0ustar sessesesse// Unit tests for LumaMixEffect. #include #include "effect_chain.h" #include "gtest/gtest.h" #include "image_format.h" #include "input.h" #include "luma_mix_effect.h" #include "test_util.h" namespace movit { TEST(LumaMixEffectTest, HardWipe) { float data_a[] = { 0.0f, 0.25f, 0.75f, 1.0f, }; float data_b[] = { 1.0f, 0.5f, 0.65f, 0.6f, }; float data_luma[] = { 0.0f, 0.25f, 0.5f, 0.75f, }; EffectChainTester tester(data_a, 2, 2, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR); Effect *input1 = tester.get_chain()->last_added_effect(); Effect *input2 = tester.add_input(data_b, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR); Effect *input3 = tester.add_input(data_luma, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR); Effect *luma_mix_effect = tester.get_chain()->add_effect(new LumaMixEffect(), input1, input2, input3); ASSERT_TRUE(luma_mix_effect->set_float("transition_width", 100000.0f)); float out_data[4]; ASSERT_TRUE(luma_mix_effect->set_float("progress", 0.0f)); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(data_a, out_data, 2, 2); // Lower right from B, the rest from A. float expected_data_049[] = { 0.0f, 0.25f, 0.75f, 0.6f, }; ASSERT_TRUE(luma_mix_effect->set_float("progress", 0.49f)); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(expected_data_049, out_data, 2, 2); // Lower two from B, the rest from A. float expected_data_051[] = { 0.0f, 0.25f, 0.65f, 0.6f, }; ASSERT_TRUE(luma_mix_effect->set_float("progress", 0.51f)); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(expected_data_051, out_data, 2, 2); ASSERT_TRUE(luma_mix_effect->set_float("progress", 1.0f)); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(data_b, out_data, 2, 2); } TEST(LumaMixEffectTest, SoftWipeHalfWayThrough) { float data_a[] = { 0.0f, 0.25f, 0.75f, 1.0f, }; float data_b[] = { 1.0f, 0.5f, 0.65f, 0.6f, }; float data_luma[] = { 0.0f, 0.25f, 0.5f, 0.75f, }; // At this point, the luma range and the mix range should exactly line up, // so we get a straight-up fade by luma. float expected_data[] = { data_a[0] + (data_b[0] - data_a[0]) * data_luma[0], data_a[1] + (data_b[1] - data_a[1]) * data_luma[1], data_a[2] + (data_b[2] - data_a[2]) * data_luma[2], data_a[3] + (data_b[3] - data_a[3]) * data_luma[3], }; float out_data[4]; EffectChainTester tester(data_a, 2, 2, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR); Effect *input1 = tester.get_chain()->last_added_effect(); Effect *input2 = tester.add_input(data_b, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR); Effect *input3 = tester.add_input(data_luma, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR); Effect *luma_mix_effect = tester.get_chain()->add_effect(new LumaMixEffect(), input1, input2, input3); ASSERT_TRUE(luma_mix_effect->set_float("transition_width", 1.0f)); ASSERT_TRUE(luma_mix_effect->set_float("progress", 0.5f)); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(expected_data, out_data, 2, 2); } TEST(LumaMixEffectTest, Inverse) { float data_a[] = { 0.0f, 0.25f, 0.75f, 1.0f, }; float data_b[] = { 1.0f, 0.5f, 0.65f, 0.6f, }; float data_luma[] = { 0.0f, 0.25f, 0.5f, 0.75f, }; EffectChainTester tester(data_a, 2, 2, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR); Effect *input1 = tester.get_chain()->last_added_effect(); Effect *input2 = tester.add_input(data_b, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR); Effect *input3 = tester.add_input(data_luma, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR); Effect *luma_mix_effect = tester.get_chain()->add_effect(new LumaMixEffect(), input1, input2, input3); ASSERT_TRUE(luma_mix_effect->set_float("transition_width", 100000.0f)); ASSERT_TRUE(luma_mix_effect->set_int("inverse", 1)); // Inverse is not the same as reverse, so progress=0 should behave identically // as HardWipe, ie. everything should be from A. float out_data[4]; ASSERT_TRUE(luma_mix_effect->set_float("progress", 0.0f)); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(data_a, out_data, 2, 2); // Lower two from A, the rest from B. float expected_data_049[] = { 1.0f, 0.5f, 0.75f, 1.0f, }; ASSERT_TRUE(luma_mix_effect->set_float("progress", 0.49f)); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(expected_data_049, out_data, 2, 2); } } // namespace movit movit-1.7.1/fft_convolution_effect_test.cpp0000644000175000017500000001533314462263704020216 0ustar sessesesse// Unit tests for FFTConvolutionEffect. #include #include #include "effect_chain.h" #include "gtest/gtest.h" #include "image_format.h" #include "test_util.h" #include "fft_convolution_effect.h" namespace movit { TEST(FFTConvolutionEffectTest, Identity) { const int size = 4; float data[size * size] = { 0.1, 1.1, 2.1, 3.1, 0.2, 1.2, 2.2, 3.2, 0.3, 1.3, 2.3, 3.3, 0.4, 1.4, 2.4, 3.4, }; float out_data[size * size]; for (int convolve_size = 1; convolve_size < 10; ++convolve_size) { float kernel[convolve_size * convolve_size]; for (int i = 0; i < convolve_size * convolve_size; ++i) { kernel[i] = 0.0f; } kernel[0] = 1.0f; EffectChainTester tester(nullptr, size, size, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR); tester.add_input(data, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR, size, size); FFTConvolutionEffect *fft_effect = new FFTConvolutionEffect(size, size, convolve_size, convolve_size); tester.get_chain()->add_effect(fft_effect); fft_effect->set_convolution_kernel(kernel); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR, OUTPUT_ALPHA_FORMAT_PREMULTIPLIED); expect_equal(data, out_data, size, size, 0.02, 0.003); } } TEST(FFTConvolutionEffectTest, Constant) { const int size = 4, convolve_size = 17; const float f = 7.0f; float data[size * size] = { 0.1, 1.1, 2.1, 3.1, 0.2, 1.2, 2.2, 3.2, 0.3, 1.3, 2.3, 3.3, 0.4, 1.4, 2.4, 3.4, }; float expected_data[size * size] = { f * 0.1f, f * 1.1f, f * 2.1f, f * 3.1f, f * 0.2f, f * 1.2f, f * 2.2f, f * 3.2f, f * 0.3f, f * 1.3f, f * 2.3f, f * 3.3f, f * 0.4f, f * 1.4f, f * 2.4f, f * 3.4f, }; float out_data[size * size]; float kernel[convolve_size * convolve_size]; for (int i = 0; i < convolve_size * convolve_size; ++i) { kernel[i] = 0.0f; } kernel[0] = f; EffectChainTester tester(nullptr, size, size, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR); tester.add_input(data, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR, size, size); FFTConvolutionEffect *fft_effect = new FFTConvolutionEffect(size, size, convolve_size, convolve_size); tester.get_chain()->add_effect(fft_effect); fft_effect->set_convolution_kernel(kernel); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR, OUTPUT_ALPHA_FORMAT_PREMULTIPLIED); // Somewhat looser bounds due to the higher magnitude. expect_equal(expected_data, out_data, size, size, f * 0.03, f * 0.004); } TEST(FFTConvolutionEffectTest, MoveRight) { const int size = 4, convolve_size = 3; float data[size * size] = { 0.1, 1.1, 2.1, 3.1, 0.2, 1.2, 2.2, 3.2, 0.3, 1.3, 2.3, 3.3, 0.4, 1.4, 2.4, 3.4, }; float kernel[convolve_size * convolve_size] = { 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, }; float expected_data[size * size] = { 0.1, 0.1, 1.1, 2.1, 0.2, 0.2, 1.2, 2.2, 0.3, 0.3, 1.3, 2.3, 0.4, 0.4, 1.4, 2.4, }; float out_data[size * size]; EffectChainTester tester(nullptr, size, size, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR); tester.add_input(data, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR, size, size); FFTConvolutionEffect *fft_effect = new FFTConvolutionEffect(size, size, convolve_size, convolve_size); tester.get_chain()->add_effect(fft_effect); fft_effect->set_convolution_kernel(kernel); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR, OUTPUT_ALPHA_FORMAT_PREMULTIPLIED); expect_equal(expected_data, out_data, size, size, 0.02, 0.003); } TEST(FFTConvolutionEffectTest, MoveDown) { const int size = 4, convolve_size = 3; float data[size * size] = { 0.1, 1.1, 2.1, 3.1, 0.2, 1.2, 2.2, 3.2, 0.3, 1.3, 2.3, 3.3, 0.4, 1.4, 2.4, 3.4, }; float kernel[convolve_size * convolve_size] = { 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, 0.0, }; float expected_data[size * size] = { 0.1, 1.1, 2.1, 3.1, 0.1, 1.1, 2.1, 3.1, 0.2, 1.2, 2.2, 3.2, 0.3, 1.3, 2.3, 3.3, }; float out_data[size * size]; EffectChainTester tester(nullptr, size, size, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR); tester.add_input(data, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR, size, size); FFTConvolutionEffect *fft_effect = new FFTConvolutionEffect(size, size, convolve_size, convolve_size); tester.get_chain()->add_effect(fft_effect); fft_effect->set_convolution_kernel(kernel); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR, OUTPUT_ALPHA_FORMAT_PREMULTIPLIED); expect_equal(expected_data, out_data, size, size, 0.02, 0.003); } TEST(FFTConvolutionEffectTest, MergeWithLeft) { const int size = 4, convolve_size = 3; float data[size * size] = { 0.1, 1.1, 2.1, 3.1, 0.2, 1.2, 2.2, 3.2, 0.3, 1.3, 2.3, 3.3, 0.4, 1.4, 2.4, 3.4, }; float kernel[convolve_size * convolve_size] = { 1.0, 1.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, }; float expected_data[size * size] = { 0.1 + 0.1, 0.1 + 1.1, 1.1 + 2.1, 2.1 + 3.1, 0.2 + 0.2, 0.2 + 1.2, 1.2 + 2.2, 2.2 + 3.2, 0.3 + 0.3, 0.3 + 1.3, 1.3 + 2.3, 2.3 + 3.3, 0.4 + 0.4, 0.4 + 1.4, 1.4 + 2.4, 2.4 + 3.4, }; float out_data[size * size]; EffectChainTester tester(nullptr, size, size, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR); tester.add_input(data, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR, size, size); FFTConvolutionEffect *fft_effect = new FFTConvolutionEffect(size, size, convolve_size, convolve_size); tester.get_chain()->add_effect(fft_effect); fft_effect->set_convolution_kernel(kernel); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR, OUTPUT_ALPHA_FORMAT_PREMULTIPLIED); expect_equal(expected_data, out_data, size, size, 0.02, 0.003); } TEST(FFTConvolutionEffectTest, NegativeCoefficients) { const int size = 4; const int convolve_width = 3, convolve_height = 2; float data[size * size] = { 0.1, 1.1, 2.1, 3.1, 0.2, 1.2, 2.2, 3.2, 0.3, 1.3, 2.3, 3.3, 0.4, 1.4, 2.4, 3.4, }; float kernel[convolve_width * convolve_height] = { 1.0, 0.0, 0.0, 0.0, 0.0, -0.5, }; float expected_data[size * size] = { 0.1 - 0.5 * 0.1, 1.1 - 0.5 * 0.1, 2.1 - 0.5 * 0.1, 3.1 - 0.5 * 1.1, 0.2 - 0.5 * 0.1, 1.2 - 0.5 * 0.1, 2.2 - 0.5 * 0.1, 3.2 - 0.5 * 1.1, 0.3 - 0.5 * 0.2, 1.3 - 0.5 * 0.2, 2.3 - 0.5 * 0.2, 3.3 - 0.5 * 1.2, 0.4 - 0.5 * 0.3, 1.4 - 0.5 * 0.3, 2.4 - 0.5 * 0.3, 3.4 - 0.5 * 1.3, }; float out_data[size * size]; EffectChainTester tester(nullptr, size, size, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR); tester.add_input(data, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR, size, size); FFTConvolutionEffect *fft_effect = new FFTConvolutionEffect(size, size, convolve_width, convolve_height); tester.get_chain()->add_effect(fft_effect); fft_effect->set_convolution_kernel(kernel); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR, OUTPUT_ALPHA_FORMAT_PREMULTIPLIED); expect_equal(expected_data, out_data, size, size, 0.02, 0.003); } } // namespace movit movit-1.7.1/ycbcr_conversion_effect_test.cpp0000644000175000017500000004751414462263704020355 0ustar sessesesse// Unit tests for YCbCrConversionEffect. Mostly done by leveraging // YCbCrInput and seeing that the right thing comes out at the // other end. #include #include #include "effect_chain.h" #include "gtest/gtest.h" #include "image_format.h" #include "test_util.h" #include "util.h" #include "ycbcr_input.h" namespace movit { TEST(YCbCrConversionEffectTest, BasicInOut) { const int width = 1; const int height = 5; // Pure-color test inputs, calculated with the formulas in Rec. 601 // section 2.5.4. unsigned char y[width * height] = { 16, 235, 81, 145, 41, }; unsigned char cb[width * height] = { 128, 128, 90, 54, 240, }; unsigned char cr[width * height] = { 128, 128, 240, 34, 110, }; unsigned char expected_data[width * height * 4] = { // The same data, just rearranged. 16, 128, 128, 255, 235, 128, 128, 255, 81, 90, 240, 255, 145, 54, 34, 255, 41, 240, 110, 255 }; unsigned char out_data[width * height * 4]; EffectChainTester tester(nullptr, width, height, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR, GL_RGBA8); ImageFormat format; format.color_space = COLORSPACE_sRGB; format.gamma_curve = GAMMA_sRGB; YCbCrFormat ycbcr_format; ycbcr_format.luma_coefficients = YCBCR_REC_601; ycbcr_format.full_range = false; ycbcr_format.num_levels = 256; ycbcr_format.chroma_subsampling_x = 1; ycbcr_format.chroma_subsampling_y = 1; ycbcr_format.cb_x_position = 0.5f; ycbcr_format.cb_y_position = 0.5f; ycbcr_format.cr_x_position = 0.5f; ycbcr_format.cr_y_position = 0.5f; tester.add_ycbcr_output(format, OUTPUT_ALPHA_FORMAT_POSTMULTIPLIED, ycbcr_format); YCbCrInput *input = new YCbCrInput(format, ycbcr_format, width, height); input->set_pixel_data(0, y); input->set_pixel_data(1, cb); input->set_pixel_data(2, cr); tester.get_chain()->add_input(input); tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_sRGB); expect_equal(expected_data, out_data, 4 * width, height); } TEST(YCbCrConversionEffectTest, ClampToValidRange) { const int width = 1; const int height = 6; // Some out-of-range of at-range values. // Y should be clamped to 16-235 and Cb/Cr to 16-240. // (Alpha should still be 255.) unsigned char y[width * height] = { 0, 10, 16, 235, 240, 255 }; unsigned char cb[width * height] = { 0, 10, 16, 235, 240, 255, }; unsigned char cr[width * height] = { 255, 240, 235, 16, 10, 0, }; unsigned char expected_data[width * height * 4] = { 16, 16, 240, 255, 16, 16, 240, 255, 16, 16, 235, 255, 235, 235, 16, 255, 235, 240, 16, 255, 235, 240, 16, 255, }; unsigned char out_data[width * height * 4]; EffectChainTester tester(nullptr, width, height, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR, GL_RGBA8); ImageFormat format; format.color_space = COLORSPACE_sRGB; format.gamma_curve = GAMMA_sRGB; YCbCrFormat ycbcr_format; ycbcr_format.luma_coefficients = YCBCR_REC_601; ycbcr_format.full_range = false; ycbcr_format.num_levels = 256; ycbcr_format.chroma_subsampling_x = 1; ycbcr_format.chroma_subsampling_y = 1; ycbcr_format.cb_x_position = 0.5f; ycbcr_format.cb_y_position = 0.5f; ycbcr_format.cr_x_position = 0.5f; ycbcr_format.cr_y_position = 0.5f; tester.add_ycbcr_output(format, OUTPUT_ALPHA_FORMAT_POSTMULTIPLIED, ycbcr_format); YCbCrInput *input = new YCbCrInput(format, ycbcr_format, width, height); input->set_pixel_data(0, y); input->set_pixel_data(1, cb); input->set_pixel_data(2, cr); tester.get_chain()->add_input(input); tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_sRGB); expect_equal(expected_data, out_data, 4 * width, height); } TEST(YCbCrConversionEffectTest, LimitedRangeToFullRange) { const int width = 1; const int height = 5; // Pure-color test inputs, calculated with the formulas in Rec. 601 // section 2.5.4. unsigned char y[width * height] = { 16, 235, 81, 145, 41, }; unsigned char cb[width * height] = { 128, 128, 90, 54, 240, }; unsigned char cr[width * height] = { 128, 128, 240, 34, 110, }; unsigned char expected_data[width * height * 4] = { // Range now from 0-255 for all components, and values in-between // also adjusted a bit. 0, 128, 128, 255, 255, 128, 128, 255, 76, 85, 255, 255, 150, 44, 21, 255, 29, 255, 108, 255 }; unsigned char out_data[width * height * 4]; EffectChainTester tester(nullptr, width, height, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR, GL_RGBA8); ImageFormat format; format.color_space = COLORSPACE_sRGB; format.gamma_curve = GAMMA_sRGB; YCbCrFormat ycbcr_format; ycbcr_format.luma_coefficients = YCBCR_REC_601; ycbcr_format.full_range = true; ycbcr_format.num_levels = 256; ycbcr_format.chroma_subsampling_x = 1; ycbcr_format.chroma_subsampling_y = 1; ycbcr_format.cb_x_position = 0.5f; ycbcr_format.cb_y_position = 0.5f; ycbcr_format.cr_x_position = 0.5f; ycbcr_format.cr_y_position = 0.5f; tester.add_ycbcr_output(format, OUTPUT_ALPHA_FORMAT_POSTMULTIPLIED, ycbcr_format); ycbcr_format.full_range = false; YCbCrInput *input = new YCbCrInput(format, ycbcr_format, width, height); input->set_pixel_data(0, y); input->set_pixel_data(1, cb); input->set_pixel_data(2, cr); tester.get_chain()->add_input(input); tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_sRGB); // This specific data element has the correct value (110-128)*(255/224) + 128 = 107.509, // which rounds the wrong way on some cards. In normal use, we detect this and round off // in DitherEffect instead (so it's not a problem in pratice), but in unit tests like this, // we don't run with dither, so we simply fudge this one value instead. if (out_data[18] == 107) { out_data[18] = 108; } expect_equal(expected_data, out_data, 4 * width, height); } TEST(YCbCrConversionEffectTest, PlanarOutput) { const int width = 1; const int height = 5; // Pure-color test inputs, calculated with the formulas in Rec. 601 // section 2.5.4. unsigned char y[width * height] = { 16, 235, 81, 145, 41, }; unsigned char cb[width * height] = { 128, 128, 90, 54, 240, }; unsigned char cr[width * height] = { 128, 128, 240, 34, 110, }; unsigned char out_y[width * height], out_cb[width * height], out_cr[width * height]; EffectChainTester tester(nullptr, width, height, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR, GL_RGBA8); ImageFormat format; format.color_space = COLORSPACE_sRGB; format.gamma_curve = GAMMA_sRGB; YCbCrFormat ycbcr_format; ycbcr_format.luma_coefficients = YCBCR_REC_601; ycbcr_format.full_range = false; ycbcr_format.num_levels = 256; ycbcr_format.chroma_subsampling_x = 1; ycbcr_format.chroma_subsampling_y = 1; ycbcr_format.cb_x_position = 0.5f; ycbcr_format.cb_y_position = 0.5f; ycbcr_format.cr_x_position = 0.5f; ycbcr_format.cr_y_position = 0.5f; tester.add_ycbcr_output(format, OUTPUT_ALPHA_FORMAT_POSTMULTIPLIED, ycbcr_format, YCBCR_OUTPUT_PLANAR); YCbCrInput *input = new YCbCrInput(format, ycbcr_format, width, height); input->set_pixel_data(0, y); input->set_pixel_data(1, cb); input->set_pixel_data(2, cr); tester.get_chain()->add_input(input); tester.run({out_y, out_cb, out_cr}, GL_RED, COLORSPACE_sRGB, GAMMA_sRGB); expect_equal(y, out_y, width, height); expect_equal(cb, out_cb, width, height); expect_equal(cr, out_cr, width, height); } TEST(YCbCrConversionEffectTest, SplitLumaAndChroma) { const int width = 1; const int height = 5; // Pure-color test inputs, calculated with the formulas in Rec. 601 // section 2.5.4. unsigned char y[width * height] = { 16, 235, 81, 145, 41, }; unsigned char cb[width * height] = { 128, 128, 90, 54, 240, }; unsigned char cr[width * height] = { 128, 128, 240, 34, 110, }; // The R and A data, rearranged. Note: The G and B channels // (the middle columns) are undefined. If we change the behavior, // the test will need to be updated, but a failure is expected. unsigned char expected_y[width * height * 4] = { 16, /*undefined:*/ 16, /*undefined:*/ 16, 255, 235, /*undefined:*/ 235, /*undefined:*/ 235, 255, 81, /*undefined:*/ 81, /*undefined:*/ 81, 255, 145, /*undefined:*/ 145, /*undefined:*/ 145, 255, 41, /*undefined:*/ 41, /*undefined:*/ 41, 255, }; // Just the Cb and Cr data, rearranged. The B and A channels // are undefined, as below. unsigned char expected_cbcr[width * height * 4] = { 128, 128, /*undefined:*/ 128, /*undefined:*/ 255, 128, 128, /*undefined:*/ 128, /*undefined:*/ 255, 90, 240, /*undefined:*/ 240, /*undefined:*/ 255, 54, 34, /*undefined:*/ 34, /*undefined:*/ 255, 240, 110, /*undefined:*/ 110, /*undefined:*/ 255, }; unsigned char out_y[width * height * 4], out_cbcr[width * height * 4]; EffectChainTester tester(nullptr, width, height, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR, GL_RGBA8); ImageFormat format; format.color_space = COLORSPACE_sRGB; format.gamma_curve = GAMMA_sRGB; YCbCrFormat ycbcr_format; ycbcr_format.luma_coefficients = YCBCR_REC_601; ycbcr_format.full_range = false; ycbcr_format.num_levels = 256; ycbcr_format.chroma_subsampling_x = 1; ycbcr_format.chroma_subsampling_y = 1; ycbcr_format.cb_x_position = 0.5f; ycbcr_format.cb_y_position = 0.5f; ycbcr_format.cr_x_position = 0.5f; ycbcr_format.cr_y_position = 0.5f; tester.add_ycbcr_output(format, OUTPUT_ALPHA_FORMAT_POSTMULTIPLIED, ycbcr_format, YCBCR_OUTPUT_SPLIT_Y_AND_CBCR); YCbCrInput *input = new YCbCrInput(format, ycbcr_format, width, height); input->set_pixel_data(0, y); input->set_pixel_data(1, cb); input->set_pixel_data(2, cr); tester.get_chain()->add_input(input); tester.run(std::vector{out_y, out_cbcr}, GL_RGBA, COLORSPACE_sRGB, GAMMA_sRGB); expect_equal(expected_y, out_y, width * 4, height); expect_equal(expected_cbcr, out_cbcr, width * 4, height); } TEST(YCbCrConversionEffectTest, OutputChunkyAndRGBA) { const int width = 1; const int height = 5; // Pure-color test inputs, calculated with the formulas in Rec. 601 // section 2.5.4. unsigned char y[width * height] = { 16, 235, 81, 145, 41, }; unsigned char cb[width * height] = { 128, 128, 90, 54, 240, }; unsigned char cr[width * height] = { 128, 128, 240, 34, 110, }; unsigned char expected_ycbcr[width * height * 4] = { // The same data, just rearranged. 16, 128, 128, 255, 235, 128, 128, 255, 81, 90, 240, 255, 145, 54, 34, 255, 41, 240, 110, 255 }; unsigned char expected_rgba[width * height * 4] = { 0, 0, 0, 255, 255, 255, 255, 255, 255, 0, 0, 255, 0, 255, 0, 255, 0, 0, 255, 255, }; unsigned char out_ycbcr[width * height * 4]; unsigned char out_rgba[width * height * 4]; EffectChainTester tester(nullptr, width, height, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR, GL_RGBA8); ImageFormat format; format.color_space = COLORSPACE_sRGB; format.gamma_curve = GAMMA_sRGB; YCbCrFormat ycbcr_format; ycbcr_format.luma_coefficients = YCBCR_REC_601; ycbcr_format.full_range = false; ycbcr_format.num_levels = 256; ycbcr_format.chroma_subsampling_x = 1; ycbcr_format.chroma_subsampling_y = 1; ycbcr_format.cb_x_position = 0.5f; ycbcr_format.cb_y_position = 0.5f; ycbcr_format.cr_x_position = 0.5f; ycbcr_format.cr_y_position = 0.5f; tester.add_output(format, OUTPUT_ALPHA_FORMAT_POSTMULTIPLIED); tester.add_ycbcr_output(format, OUTPUT_ALPHA_FORMAT_POSTMULTIPLIED, ycbcr_format); YCbCrInput *input = new YCbCrInput(format, ycbcr_format, width, height); input->set_pixel_data(0, y); input->set_pixel_data(1, cb); input->set_pixel_data(2, cr); tester.get_chain()->add_input(input); // Note: We don't test that the values actually get dithered, // just that the shader compiles and doesn't mess up badly. tester.get_chain()->set_dither_bits(8); tester.run(std::vector{out_ycbcr, out_rgba}, GL_RGBA, COLORSPACE_sRGB, GAMMA_sRGB); expect_equal(expected_ycbcr, out_ycbcr, width * 4, height); // Y'CbCr isn't 100% accurate (the input values are rounded), // so we need some leeway. expect_equal(expected_rgba, out_rgba, 4 * width, height, 7, 255 * 0.002); } TEST(YCbCrConversionEffectTest, MultipleOutputsAndRGBA) { const int width = 1; const int height = 5; // Pure-color test inputs, calculated with the formulas in Rec. 601 // section 2.5.4. unsigned char y[width * height] = { 16, 235, 81, 145, 41, }; unsigned char cb[width * height] = { 128, 128, 90, 54, 240, }; unsigned char cr[width * height] = { 128, 128, 240, 34, 110, }; unsigned char expected_ycbcr[width * height * 4] = { // The same data, just rearranged. 16, 128, 128, 255, 235, 128, 128, 255, 81, 90, 240, 255, 145, 54, 34, 255, 41, 240, 110, 255 }; unsigned char expected_rgba[width * height * 4] = { 0, 0, 0, 255, 255, 255, 255, 255, 255, 0, 0, 255, 0, 255, 0, 255, 0, 0, 255, 255, }; unsigned char out_ycbcr[width * height * 4]; unsigned char out_y[width * height * 4]; unsigned char out_cbcr[width * height * 4]; unsigned char out_rgba[width * height * 4]; EffectChainTester tester(nullptr, width, height, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR, GL_RGBA8); ImageFormat format; format.color_space = COLORSPACE_sRGB; format.gamma_curve = GAMMA_sRGB; YCbCrFormat ycbcr_format; ycbcr_format.luma_coefficients = YCBCR_REC_601; ycbcr_format.full_range = false; ycbcr_format.num_levels = 256; ycbcr_format.chroma_subsampling_x = 1; ycbcr_format.chroma_subsampling_y = 1; ycbcr_format.cb_x_position = 0.5f; ycbcr_format.cb_y_position = 0.5f; ycbcr_format.cr_x_position = 0.5f; ycbcr_format.cr_y_position = 0.5f; tester.add_output(format, OUTPUT_ALPHA_FORMAT_POSTMULTIPLIED); tester.add_ycbcr_output(format, OUTPUT_ALPHA_FORMAT_POSTMULTIPLIED, ycbcr_format); tester.add_ycbcr_output(format, OUTPUT_ALPHA_FORMAT_POSTMULTIPLIED, ycbcr_format, YCBCR_OUTPUT_SPLIT_Y_AND_CBCR); YCbCrInput *input = new YCbCrInput(format, ycbcr_format, width, height); input->set_pixel_data(0, y); input->set_pixel_data(1, cb); input->set_pixel_data(2, cr); tester.get_chain()->add_input(input); // Note: We don't test that the values actually get dithered, // just that the shader compiles and doesn't mess up badly. tester.get_chain()->set_dither_bits(8); tester.run({out_ycbcr, out_y, out_cbcr, out_rgba}, GL_RGBA, COLORSPACE_sRGB, GAMMA_sRGB); expect_equal(expected_ycbcr, out_ycbcr, width * 4, height); // Check that the extra Y' and CbCr outputs also are fine. for (unsigned i = 0; i < width * height; ++i) { out_ycbcr[i * 4] = out_y[i * 4]; out_ycbcr[i * 4 + 1] = out_cbcr[i * 4 + 0]; out_ycbcr[i * 4 + 2] = out_cbcr[i * 4 + 1]; } expect_equal(expected_ycbcr, out_ycbcr, width * 4, height); // Y'CbCr isn't 100% accurate (the input values are rounded), // so we need some leeway. expect_equal(expected_rgba, out_rgba, 4 * width, height, 7, 255 * 0.002); } // Very similar to PlanarOutput. TEST(YCbCrConversionEffectTest, ChangeOutputFormat) { const int width = 1; const int height = 5; // Pure-color test inputs, calculated with the formulas in Rec. 601 // section 2.5.4. unsigned char y[width * height] = { 16, 235, 81, 145, 41, }; unsigned char cb[width * height] = { 128, 128, 90, 54, 240, }; unsigned char cr[width * height] = { 128, 128, 240, 34, 110, }; unsigned char out_y[width * height], out_cb[width * height], out_cr[width * height]; EffectChainTester tester(nullptr, width, height, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR, GL_RGBA8); ImageFormat format; format.color_space = COLORSPACE_sRGB; format.gamma_curve = GAMMA_sRGB; YCbCrFormat ycbcr_format; ycbcr_format.luma_coefficients = YCBCR_REC_709; // Deliberately wrong at first. ycbcr_format.full_range = false; ycbcr_format.num_levels = 256; ycbcr_format.chroma_subsampling_x = 1; ycbcr_format.chroma_subsampling_y = 1; ycbcr_format.cb_x_position = 0.5f; ycbcr_format.cb_y_position = 0.5f; ycbcr_format.cr_x_position = 0.5f; ycbcr_format.cr_y_position = 0.5f; tester.add_ycbcr_output(format, OUTPUT_ALPHA_FORMAT_POSTMULTIPLIED, ycbcr_format, YCBCR_OUTPUT_PLANAR); ycbcr_format.luma_coefficients = YCBCR_REC_601; YCbCrInput *input = new YCbCrInput(format, ycbcr_format, width, height); input->set_pixel_data(0, y); input->set_pixel_data(1, cb); input->set_pixel_data(2, cr); tester.get_chain()->add_input(input); tester.run({out_y, out_cb, out_cr}, GL_RED, COLORSPACE_sRGB, GAMMA_sRGB); // Now change the output format to match what we gave the input, and re-run. tester.get_chain()->change_ycbcr_output_format(ycbcr_format); tester.run({out_y, out_cb, out_cr}, GL_RED, COLORSPACE_sRGB, GAMMA_sRGB); expect_equal(y, out_y, width, height); expect_equal(cb, out_cb, width, height); expect_equal(cr, out_cr, width, height); } TEST(YCbCrConversionEffectTest, TenBitOutput) { const int width = 1; const int height = 5; // Pure-color test inputs. float data[width * height * 4] = { 0.0f, 0.0f, 0.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f, 0.0f, 1.0f, 0.0f, 0.0f, 1.0f, 1.0f, }; uint32_t out_data[width * height]; int expanded_out_data[width * height * 4]; int expected_data[width * height * 4] = { // Expected results, calculated using formulas 3.2, 3.3 and 3.4 // from Rec. 709. (Except the first two, which are obvious // given the 64–940 range of luminance.) 64, 512, 512, 3, 940, 512, 512, 3, 250, 409, 960, 3, 691, 167, 105, 3, 127, 960, 471, 3, }; EffectChainTester tester(nullptr, width, height, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR, GL_RGB10_A2); tester.add_input(data, FORMAT_RGBA_POSTMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_sRGB); ImageFormat format; format.color_space = COLORSPACE_sRGB; format.gamma_curve = GAMMA_sRGB; YCbCrFormat ycbcr_format; ycbcr_format.luma_coefficients = YCBCR_REC_709; ycbcr_format.full_range = false; ycbcr_format.num_levels = 1024; ycbcr_format.chroma_subsampling_x = 1; ycbcr_format.chroma_subsampling_y = 1; ycbcr_format.cb_x_position = 0.5f; ycbcr_format.cb_y_position = 0.5f; ycbcr_format.cr_x_position = 0.5f; ycbcr_format.cr_y_position = 0.5f; tester.add_ycbcr_output(format, OUTPUT_ALPHA_FORMAT_POSTMULTIPLIED, ycbcr_format); tester.run_10_10_10_2(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_sRGB); // Unpack 10:10:10:2 to 32:32:32:32. for (unsigned i = 0; i < width * height; ++i) { expanded_out_data[i * 4 + 0] = out_data[i] & 0x3ff; expanded_out_data[i * 4 + 1] = (out_data[i] >> 10) & 0x3ff; expanded_out_data[i * 4 + 2] = (out_data[i] >> 20) & 0x3ff; expanded_out_data[i * 4 + 3] = (out_data[i] >> 30); } expect_equal(expected_data, expanded_out_data, 4 * width, height); } TEST(YCbCrConversionEffectTest, TenBitOutputInSixteen) { const int width = 1; const int height = 5; // Same test inputs and outputs as TenBitOutput, except that alpha // is 16 bits instead of two. float data[width * height * 4] = { 0.0f, 0.0f, 0.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f, 0.0f, 1.0f, 0.0f, 0.0f, 1.0f, 1.0f, }; uint16_t out_data[width * height * 4]; uint16_t expected_data[width * height * 4] = { 64, 512, 512, 65535, 940, 512, 512, 65535, 250, 409, 960, 65535, 691, 167, 105, 65535, 127, 960, 471, 65535, }; EffectChainTester tester(nullptr, width, height, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR, GL_RGBA16); tester.add_input(data, FORMAT_RGBA_POSTMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_sRGB); ImageFormat format; format.color_space = COLORSPACE_sRGB; format.gamma_curve = GAMMA_sRGB; YCbCrFormat ycbcr_format; ycbcr_format.luma_coefficients = YCBCR_REC_709; ycbcr_format.full_range = false; ycbcr_format.num_levels = 1024; ycbcr_format.chroma_subsampling_x = 1; ycbcr_format.chroma_subsampling_y = 1; ycbcr_format.cb_x_position = 0.5f; ycbcr_format.cb_y_position = 0.5f; ycbcr_format.cr_x_position = 0.5f; ycbcr_format.cr_y_position = 0.5f; tester.add_ycbcr_output(format, OUTPUT_ALPHA_FORMAT_POSTMULTIPLIED, ycbcr_format, YCBCR_OUTPUT_INTERLEAVED, GL_UNSIGNED_SHORT); tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_sRGB); // Add some slight leeway for the benefit of cards that don't // round correctly (would be fixed by DitherEffect if we had dither). expect_equal(expected_data, out_data, 4 * width, height, 2); } } // namespace movit movit-1.7.1/deinterlace_effect_test.cpp0000644000175000017500000003220614462263704017255 0ustar sessesesse// Unit tests for DeinterlaceEffect. #ifdef HAVE_BENCHMARK #include #endif #include #include #include #include "effect_chain.h" #include "gtest/gtest.h" #include "image_format.h" #include "input.h" #include "deinterlace_effect.h" #include "test_util.h" using namespace std; namespace movit { class DeinterlaceTest : public testing::TestWithParam { protected: DeinterlaceTest() : disabler(GetParam() == "fragment") {} bool should_skip() { return disabler.should_skip(); } private: DisableComputeShadersTemporarily disabler; }; TEST_P(DeinterlaceTest, ConstantColor) { if (should_skip()) return; float data[] = { 0.3f, 0.3f, 0.3f, 0.3f, 0.3f, 0.3f, }; float expected_data[] = { 0.3f, 0.3f, 0.3f, 0.3f, 0.3f, 0.3f, 0.3f, 0.3f, 0.3f, 0.3f, 0.3f, 0.3f, }; float out_data[12]; EffectChainTester tester(nullptr, 2, 6); Effect *input1 = tester.add_input(data, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR, 2, 3); Effect *input2 = tester.add_input(data, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR, 2, 3); Effect *input3 = tester.add_input(data, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR, 2, 3); Effect *input4 = tester.add_input(data, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR, 2, 3); Effect *input5 = tester.add_input(data, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR, 2, 3); Effect *deinterlace_effect = tester.get_chain()->add_effect(new DeinterlaceEffect(), input1, input2, input3, input4, input5); ASSERT_TRUE(deinterlace_effect->set_int("current_field_position", 0)); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(expected_data, out_data, 2, 6); ASSERT_TRUE(deinterlace_effect->set_int("current_field_position", 1)); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(expected_data, out_data, 2, 6); } // Also tests that top/bottom change works like expected. TEST_P(DeinterlaceTest, VerticalInterpolation) { if (should_skip()) return; const int width = 11; const int height = 2; float data[width * height] = { 0.0f, 0.0f, 0.0f, 0.4f, 0.6f, 0.2f, 0.6f, 0.8f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.4f, 0.6f, 0.4f, 0.6f, 0.8f, 0.0f, 0.0f, 0.0f, // Differs from previous. }; float expected_data_top[width * height * 2] = { 0.0f, 0.0f, 0.0f, 0.4f, 0.6f, 0.2f, 0.6f, 0.8f, 0.0f, 0.0f, 0.0f, // Unchanged. 0.0f, 0.0f, 0.0f, 0.4f, 0.6f, 0.3f, 0.6f, 0.8f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.4f, 0.6f, 0.4f, 0.6f, 0.8f, 0.0f, 0.0f, 0.0f, // Unchanged. 0.0f, 0.0f, 0.0f, 0.4f, 0.6f, 0.4f, 0.6f, 0.8f, 0.0f, 0.0f, 0.0f, // Repeated. }; float expected_data_bottom[width * height * 2] = { 0.0f, 0.0f, 0.0f, 0.4f, 0.6f, 0.2f, 0.6f, 0.8f, 0.0f, 0.0f, 0.0f, // Repeated 0.0f, 0.0f, 0.0f, 0.4f, 0.6f, 0.2f, 0.6f, 0.8f, 0.0f, 0.0f, 0.0f, // Unchanged. 0.0f, 0.0f, 0.0f, 0.4f, 0.6f, 0.3f, 0.6f, 0.8f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.4f, 0.6f, 0.4f, 0.6f, 0.8f, 0.0f, 0.0f, 0.0f, // Unchanged. }; float neg_blowout_data[width * height]; float pos_blowout_data[width * height]; float out_data[width * height * 2]; // Set previous and next fields to something so big that all the temporal checks // are effectively turned off. fill(neg_blowout_data, neg_blowout_data + width * height, -100.0f); fill(pos_blowout_data, pos_blowout_data + width * height, 100.0f); EffectChainTester tester(nullptr, width, height * 2); Effect *input1 = tester.add_input(neg_blowout_data, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR, width, height); Effect *input2 = tester.add_input(neg_blowout_data, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR, width, height); Effect *input3 = tester.add_input(data, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR, width, height); Effect *input4 = tester.add_input(pos_blowout_data, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR, width, height); Effect *input5 = tester.add_input(pos_blowout_data, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR, width, height); Effect *deinterlace_effect = tester.get_chain()->add_effect(new DeinterlaceEffect(), input1, input2, input3, input4, input5); ASSERT_TRUE(deinterlace_effect->set_int("current_field_position", 0)); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(expected_data_top, out_data, width, height * 2); ASSERT_TRUE(deinterlace_effect->set_int("current_field_position", 1)); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR); expect_equal(expected_data_bottom, out_data, width, height * 2); } TEST_P(DeinterlaceTest, DiagonalInterpolation) { if (should_skip()) return; const int width = 11; const int height = 3; float data[width * height] = { 0.0f, 0.0f, 0.0f, 0.0f, 0.4f, 0.6f, 0.2f, 0.6f, 0.8f, 0.0f, 0.0f, 0.0f, 0.0f, 0.4f, 0.6f, 0.4f, 0.6f, 0.8f, 0.0f, 0.0f, 0.0f, 0.0f, // Offset two pixels, one value modified. 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.4f, 0.6f, 0.4f, 0.6f, 0.8f, // Offset four the other way. }; // Expected degrees are marked in comments. Mostly we want +45 for the second line // and -63 for the fourth, but due to the score being over three neighboring pixels, // sometimes it doesn't work ideally like that. float expected_data_top[width * height * 2] = { 0.0f, 0.0f, 0.0f, 0.0f, 0.4f, 0.6f, 0.2f, 0.6f, 0.8f, 0.0f, 0.0f, // Unchanged. // | / / / / / / / / / | // 0 +45 +45 +45 +45 +45 +45 +45 +45 +45 0 0.0f, 0.0f, 0.0f, 0.4f, 0.6f, 0.3f, 0.6f, 0.8f, 0.0f, 0.0f, 0.0f, // | / / / / / / / / / | 0.0f, 0.0f, 0.4f, 0.6f, 0.4f, 0.6f, 0.8f, 0.0f, 0.0f, 0.0f, 0.0f, // Unchanged. // 0 -45 -63 -63 -63 -63 -63 -63 +63! +63! +63! 0.0f, 0.0f, 0.0f, 0.0f, 0.4f, 0.6f, 0.4f, 0.6f, 0.2f, 0.3f, 0.2f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.4f, 0.6f, 0.4f, 0.6f, 0.8f, // Unchanged. 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.4f, 0.6f, 0.4f, 0.6f, 0.8f, // Repeated. }; float neg_blowout_data[width * height]; float pos_blowout_data[width * height]; float out_data[width * height * 2]; // Set previous and next fields to something so big that all the temporal checks // are effectively turned off. fill(neg_blowout_data, neg_blowout_data + width * height, -100.0f); fill(pos_blowout_data, pos_blowout_data + width * height, 100.0f); EffectChainTester tester(nullptr, width, height * 2); Effect *input1 = tester.add_input(neg_blowout_data, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR, width, height); Effect *input2 = tester.add_input(neg_blowout_data, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR, width, height); Effect *input3 = tester.add_input(data, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR, width, height); Effect *input4 = tester.add_input(pos_blowout_data, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR, width, height); Effect *input5 = tester.add_input(pos_blowout_data, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR, width, height); Effect *deinterlace_effect = tester.get_chain()->add_effect(new DeinterlaceEffect(), input1, input2, input3, input4, input5); ASSERT_TRUE(deinterlace_effect->set_int("current_field_position", 0)); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR, OUTPUT_ALPHA_FORMAT_PREMULTIPLIED); expect_equal(expected_data_top, out_data, width, height * 2); } TEST_P(DeinterlaceTest, FlickerBox) { if (should_skip()) return; const int width = 4; const int height = 4; float white_data[width * height] = { 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, }; float black_data[width * height] = { 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, }; float striped_data[width * height * 2] = { 1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, }; float out_data[width * height * 2]; { EffectChainTester tester(nullptr, width, height * 2); Effect *white_input = tester.add_input(white_data, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR, width, height); Effect *black_input = tester.add_input(black_data, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR, width, height); Effect *deinterlace_effect = tester.get_chain()->add_effect(new DeinterlaceEffect(), white_input, black_input, white_input, black_input, white_input); ASSERT_TRUE(deinterlace_effect->set_int("current_field_position", 0)); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR, OUTPUT_ALPHA_FORMAT_PREMULTIPLIED); expect_equal(white_data, out_data, width, height); expect_equal(white_data, out_data + width * height, width, height); } { EffectChainTester tester(nullptr, width, height * 2); Effect *white_input = tester.add_input(white_data, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR, width, height); Effect *black_input = tester.add_input(black_data, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR, width, height); Effect *deinterlace_effect = tester.get_chain()->add_effect(new DeinterlaceEffect(), white_input, black_input, white_input, black_input, white_input); ASSERT_TRUE(deinterlace_effect->set_int("enable_spatial_interlacing_check", 0)); ASSERT_TRUE(deinterlace_effect->set_int("current_field_position", 0)); tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR, OUTPUT_ALPHA_FORMAT_PREMULTIPLIED); expect_equal(striped_data, out_data, width, height * 2); } } INSTANTIATE_TEST_CASE_P(DeinterlaceTest, DeinterlaceTest, testing::Values("fragment", "compute")); #ifdef HAVE_BENCHMARK namespace { struct TestFormat { MovitPixelFormat input_format; GLenum output_format; size_t bytes_per_pixel; }; TestFormat gray_format = { FORMAT_GRAYSCALE, GL_RED, 1 }; TestFormat bgra_format = { FORMAT_BGRA_PREMULTIPLIED_ALPHA, GL_BGRA, 4 }; } // namespace void BM_DeinterlaceEffect(benchmark::State &state, TestFormat format, bool spatial_interlacing_check, const std::string &shader_type) { DisableComputeShadersTemporarily disabler(shader_type == "fragment"); if (disabler.should_skip(&state)) return; unsigned width = state.range(0), height = state.range(1); unsigned field_height = height / 2; unique_ptr field1(new float[width * field_height * format.bytes_per_pixel]); unique_ptr field2(new float[width * field_height * format.bytes_per_pixel]); unique_ptr field3(new float[width * field_height * format.bytes_per_pixel]); unique_ptr field4(new float[width * field_height * format.bytes_per_pixel]); unique_ptr field5(new float[width * field_height * format.bytes_per_pixel]); unique_ptr out_data(new float[width * height * format.bytes_per_pixel]); for (unsigned i = 0; i < width * field_height * format.bytes_per_pixel; ++i) { field1[i] = rand() / (RAND_MAX + 1.0); field2[i] = rand() / (RAND_MAX + 1.0); field3[i] = rand() / (RAND_MAX + 1.0); field4[i] = rand() / (RAND_MAX + 1.0); field5[i] = rand() / (RAND_MAX + 1.0); } EffectChainTester tester(nullptr, width, height); Effect *input1 = tester.add_input(field1.get(), format.input_format, COLORSPACE_sRGB, GAMMA_LINEAR, width, field_height); Effect *input2 = tester.add_input(field2.get(), format.input_format, COLORSPACE_sRGB, GAMMA_LINEAR, width, field_height); Effect *input3 = tester.add_input(field3.get(), format.input_format, COLORSPACE_sRGB, GAMMA_LINEAR, width, field_height); Effect *input4 = tester.add_input(field4.get(), format.input_format, COLORSPACE_sRGB, GAMMA_LINEAR, width, field_height); Effect *input5 = tester.add_input(field5.get(), format.input_format, COLORSPACE_sRGB, GAMMA_LINEAR, width, field_height); Effect *deinterlace_effect = tester.get_chain()->add_effect(new DeinterlaceEffect(), input1, input2, input3, input4, input5); ASSERT_TRUE(deinterlace_effect->set_int("current_field_position", 0)); ASSERT_TRUE(deinterlace_effect->set_int("enable_spatial_interlacing_check", spatial_interlacing_check)); tester.benchmark(state, out_data.get(), format.output_format, COLORSPACE_sRGB, GAMMA_LINEAR, OUTPUT_ALPHA_FORMAT_PREMULTIPLIED); } BENCHMARK_CAPTURE(BM_DeinterlaceEffect, Gray, gray_format, true, "fragment")->Args({720, 576})->Args({1280, 720})->Args({1920, 1080})->UseRealTime()->Unit(benchmark::kMicrosecond); BENCHMARK_CAPTURE(BM_DeinterlaceEffect, BGRA, bgra_format, true, "fragment")->Args({720, 576})->Args({1280, 720})->Args({1920, 1080})->UseRealTime()->Unit(benchmark::kMicrosecond); BENCHMARK_CAPTURE(BM_DeinterlaceEffect, BGRANoSpatialCheck, bgra_format, false, "fragment")->Args({720, 576})->Args({1280, 720})->Args({1920, 1080})->UseRealTime()->Unit(benchmark::kMicrosecond); BENCHMARK_CAPTURE(BM_DeinterlaceEffect, GrayCompute, gray_format, true, "compute")->Args({720, 576})->Args({1280, 720})->Args({1920, 1080})->UseRealTime()->Unit(benchmark::kMicrosecond); BENCHMARK_CAPTURE(BM_DeinterlaceEffect, BGRACompute, bgra_format, true, "compute")->Args({720, 576})->Args({1280, 720})->Args({1920, 1080})->UseRealTime()->Unit(benchmark::kMicrosecond); BENCHMARK_CAPTURE(BM_DeinterlaceEffect, BGRANoSpatialCheckCompute, bgra_format, false, "compute")->Args({720, 576})->Args({1280, 720})->Args({1920, 1080})->UseRealTime()->Unit(benchmark::kMicrosecond); #endif } // namespace movit movit-1.7.1/make_bundled_shaders.cpp0000644000175000017500000000307614462263704016551 0ustar sessesesse#include #include #include #include "util.h" #include "bundled_shaders.h" using namespace std; using namespace movit; namespace movit { // We need a fake (empty) list of shaders, since we reuse read_file(). BundledShader bundled_shaders[] = { { nullptr, 0, 0 } }; const char *shader_bundle = ""; extern string *movit_data_directory; } // namespace movit int main(int argc, char **argv) { std::vector shaders; std::string bundle; movit_data_directory = new string("."); for (int i = 1; i < argc; ++i) { string contents = read_file(argv[i]); shaders.push_back(BundledShader{ argv[i], /*offset=*/bundle.size(), /*length=*/contents.size() }); bundle += contents; } printf("// Autogenerated by make_bundled_shaders.cpp. Do not edit by hand!\n"); printf("#include \n"); printf("#include \"bundled_shaders.h\"\n"); printf("\n"); printf("namespace movit {\n"); printf("\n"); printf("BundledShader bundled_shaders[] = {\n"); for (const BundledShader &shader : shaders) { printf("\t{ \"%s\", %zu, %zu },\n", shader.filename, shader.offset, shader.length); } printf("\t{ nullptr, 0, 0 }\n"); printf("};\n"); printf("const char *shader_bundle = \""); for (unsigned char ch : bundle) { if (ch == '\n') { printf("\\n"); } else if (ch == '\t') { printf("\\t"); } else if (ch == '"') { printf("\\\""); } else if (ch == '\\') { printf("\\\\"); } else if (!isprint(ch)) { printf("\\%o", ch); } else { printf("%c", ch); } } printf("\";\n"); printf("\n"); printf("} // namespace movit\n"); } movit-1.7.1/effect_chain.h0000644000175000017500000006206014462263704014467 0ustar sessesesse#ifndef _MOVIT_EFFECT_CHAIN_H #define _MOVIT_EFFECT_CHAIN_H 1 // An EffectChain is the largest basic entity in Movit; it contains everything // needed to connects a series of effects, from inputs to outputs, and render // them. Generally you set up your effect chain once and then call its render // functions once per frame; setting one up can be relatively expensive, // but rendering is fast. // // Threading considerations: EffectChain is “thread-compatible”; you can use // different EffectChains in multiple threads at the same time (assuming the // threads do not use the same OpenGL context, but this is a good idea anyway), // but you may not use one EffectChain from multiple threads simultaneously. // You _are_ allowed to use one EffectChain from multiple threads as long as // you only use it from one at a time (possibly by doing your own locking), // but if so, the threads' contexts need to be set up to share resources, since // the EffectChain holds textures and other OpenGL objects that are tied to the // context. // // Memory management (only relevant if you use multiple contexts): // See corresponding comment in resource_pool.h. This holds even if you don't // allocate your own ResourcePool, but let EffectChain hold its own. #include #include #include #include #include #include #include #include #include "effect.h" #include "image_format.h" #include "ycbcr.h" namespace movit { class Effect; class Input; struct Phase; class ResourcePool; // For internal use within Node. enum AlphaType { ALPHA_INVALID = -1, ALPHA_BLANK, ALPHA_PREMULTIPLIED, ALPHA_POSTMULTIPLIED, }; // Whether you want pre- or postmultiplied alpha in the output // (see effect.h for a discussion of pre- versus postmultiplied alpha). enum OutputAlphaFormat { OUTPUT_ALPHA_FORMAT_PREMULTIPLIED, OUTPUT_ALPHA_FORMAT_POSTMULTIPLIED, }; // RGBA output is nearly always packed; Y'CbCr, however, is often planar // due to chroma subsampling. This enum controls how add_ycbcr_output() // distributes the color channels between the fragment shader outputs. // Obviously, anything except YCBCR_OUTPUT_INTERLEAVED will be meaningless // unless you use render_to_fbo() and have an FBO with multiple render // targets attached (the other outputs will be discarded). enum YCbCrOutputSplitting { // Only one output: Store Y'CbCr into the first three output channels, // respectively, plus alpha. This is also called “chunked” or // ”packed” mode. YCBCR_OUTPUT_INTERLEAVED, // Store Y' and alpha into the first output (in the red and alpha // channels; effect to the others is undefined), and Cb and Cr into // the first two channels of the second output. This is particularly // useful if you want to end up in a format like NV12, where all the // Y' samples come first and then Cb and Cr come interlevaed afterwards. // You will still need to do the chroma subsampling yourself to actually // get down to NV12, though. YCBCR_OUTPUT_SPLIT_Y_AND_CBCR, // Store Y' and alpha into the first output, Cb into the first channel // of the second output and Cr into the first channel of the third output. // (Effect on the other channels is undefined.) Essentially gives you // 4:4:4 planar, or ”yuv444p”. YCBCR_OUTPUT_PLANAR, }; // Where (0,0) is taken to be in the output. If you want to render to an // OpenGL screen, you should keep the default of bottom-left, as that is // OpenGL's natural coordinate system. However, there are cases, such as if you // render to an FBO and read the pixels back into some other system, where // you'd want a top-left origin; if so, an additional flip step will be added // at the very end (but done in a vertex shader, so it will have zero extra // cost). // // Note that Movit's coordinate system in general consistently puts (0,0) in // the top left for _input_, no matter what you set as output origin. enum OutputOrigin { OUTPUT_ORIGIN_BOTTOM_LEFT, OUTPUT_ORIGIN_TOP_LEFT, }; // Transformation to apply (if any) to pixel data in temporary buffers. // See set_intermediate_format() below for more information. enum FramebufferTransformation { // The default; just store the value. This is what you usually want. NO_FRAMEBUFFER_TRANSFORMATION, // If the values are in linear light, store sqrt(x) to the framebuffer // instead of x itself, of course undoing it with x² on read. Useful as // a rough approximation to the sRGB curve. (If the values are not in // linear light, just store them as-is.) SQUARE_ROOT_FRAMEBUFFER_TRANSFORMATION, }; // Whether a link is into another phase or not; see Node::incoming_link_type. enum NodeLinkType { IN_ANOTHER_PHASE, IN_SAME_PHASE }; // A node in the graph; basically an effect and some associated information. class Node { public: Effect *effect; bool disabled; // Edges in the graph (forward and backward). std::vector outgoing_links; std::vector incoming_links; // For unit tests only. Do not use from other code. // Will contain an arbitrary choice if the node is in multiple phases. Phase *containing_phase; private: // Logical size of the output of this effect, ie. the resolution // you would get if you sampled it as a texture. If it is undefined // (since the inputs differ in resolution), it will be 0x0. // If both this and output_texture_{width,height} are set, // they will be equal. unsigned output_width, output_height; // If the effect has is_single_texture(), or if the output went to RTT // and that texture has been bound to a sampler, the sampler number // will be stored here. // // TODO: Can an RTT texture be used as inputs to multiple effects // within the same phase? If so, we have a problem with modifying // sampler state here. int bound_sampler_num; // For each node in incoming_links, whether it comes from another phase // or not. This is required because in some rather obscure cases, // it is possible to have an input twice in the same phase; both by // itself and as a bounced input. // // TODO: It is possible that we might even need to bounce multiple // times and thus disambiguate also between different external phases, // but we'll deal with that when we need to care about it, if ever. std::vector incoming_link_type; // Used during the building of the effect chain. Colorspace output_color_space; GammaCurve output_gamma_curve; AlphaType output_alpha_type; Effect::MipmapRequirements needs_mipmaps; // Directly or indirectly. // Set if this effect, and all effects consuming output from this node // (in the same phase) have one_to_one_sampling() set. bool one_to_one_sampling; // Same, for strong_one_to_one_sampling(). bool strong_one_to_one_sampling; friend class EffectChain; }; // A rendering phase; a single GLSL program rendering a single quad. struct Phase { Node *output_node; GLuint glsl_program_num; // Owned by the resource_pool. // Position and texcoord attribute indexes, although it doesn't matter // which is which, because they contain the same data. std::set attribute_indexes; // Inputs are only inputs from other phases (ie., those that come from RTT); // input textures are counted as part of . std::vector inputs; // Bound sampler numbers for each input. Redundant in a sense // (it always corresponds to the index), but we need somewhere // to hold the value for the uniform. std::vector input_samplers; std::vector effects; // In order. unsigned output_width, output_height, virtual_output_width, virtual_output_height; // Whether this phase is compiled as a compute shader, ie., the last effect is // marked as one. bool is_compute_shader; Node *compute_shader_node; // If , which image unit the output buffer is bound to. // This is used as source for a Uniform below. int outbuf_image_unit; // These are used in transforming from unnormalized to normalized coordinates // in compute shaders. int uniform_output_size[2]; Point2D inv_output_size, output_texcoord_adjust; // Identifier used to create unique variables in GLSL. // Unique per-phase to increase cacheability of compiled shaders. std::map, std::string> effect_ids; // Uniforms for this phase; combined from all the effects. std::vector> uniforms_image2d; std::vector> uniforms_sampler2d; std::vector> uniforms_bool; std::vector> uniforms_int; std::vector> uniforms_ivec2; std::vector> uniforms_float; std::vector> uniforms_vec2; std::vector> uniforms_vec3; std::vector> uniforms_vec4; std::vector> uniforms_mat3; // For measurement of GPU time used. std::list timer_query_objects_running; std::list timer_query_objects_free; uint64_t time_elapsed_ns; uint64_t num_measured_iterations; }; class EffectChain { public: // Aspect: e.g. 16.0f, 9.0f for 16:9. // resource_pool is a pointer to a ResourcePool with which to share shaders // and other resources (see resource_pool.h). If nullptr (the default), // will create its own that is not shared with anything else. Does not take // ownership of the passed-in ResourcePool, but will naturally take ownership // of its own internal one if created. EffectChain(float aspect_nom, float aspect_denom, ResourcePool *resource_pool = nullptr); ~EffectChain(); // User API: // input, effects, output, finalize need to come in that specific order. // EffectChain takes ownership of the given input. // input is returned back for convenience. Input *add_input(Input *input); // EffectChain takes ownership of the given effect. // effect is returned back for convenience. Effect *add_effect(Effect *effect) { return add_effect(effect, last_added_effect()); } Effect *add_effect(Effect *effect, Effect *input) { std::vector inputs; inputs.push_back(input); return add_effect(effect, inputs); } Effect *add_effect(Effect *effect, Effect *input1, Effect *input2) { std::vector inputs; inputs.push_back(input1); inputs.push_back(input2); return add_effect(effect, inputs); } Effect *add_effect(Effect *effect, Effect *input1, Effect *input2, Effect *input3) { std::vector inputs; inputs.push_back(input1); inputs.push_back(input2); inputs.push_back(input3); return add_effect(effect, inputs); } Effect *add_effect(Effect *effect, Effect *input1, Effect *input2, Effect *input3, Effect *input4) { std::vector inputs; inputs.push_back(input1); inputs.push_back(input2); inputs.push_back(input3); inputs.push_back(input4); return add_effect(effect, inputs); } Effect *add_effect(Effect *effect, Effect *input1, Effect *input2, Effect *input3, Effect *input4, Effect *input5) { std::vector inputs; inputs.push_back(input1); inputs.push_back(input2); inputs.push_back(input3); inputs.push_back(input4); inputs.push_back(input5); return add_effect(effect, inputs); } Effect *add_effect(Effect *effect, const std::vector &inputs); // Adds an RGBA output. Note that you can have at most one RGBA output and two // Y'CbCr outputs (see below for details). void add_output(const ImageFormat &format, OutputAlphaFormat alpha_format); // Adds an YCbCr output. Note that you can only have at most two Y'CbCr // outputs, and they must have the same and . // (This limitation may be lifted in the future, to allow e.g. simultaneous // 8- and 10-bit output. Currently, multiple Y'CbCr outputs are only // useful in some very limited circumstances, like if one texture goes // to some place you cannot easily read from later.) // // Only 4:4:4 output is supported due to fragment shader limitations, // so chroma_subsampling_x and chroma_subsampling_y must both be 1. // should match the data type of the FBO you are rendering to, // so that if you use 16-bit output (GL_UNSIGNED_SHORT), you will get // 8-, 10- or 12-bit output correctly as determined by . // Using e.g. ycbcr_format.num_levels == 1024 with GL_UNSIGNED_BYTE is // nonsensical and invokes undefined behavior. // // If you have both RGBA and Y'CbCr output(s), the RGBA output will come // in the last draw buffer. Also, and must be // identical between the two. void add_ycbcr_output(const ImageFormat &format, OutputAlphaFormat alpha_format, const YCbCrFormat &ycbcr_format, YCbCrOutputSplitting output_splitting = YCBCR_OUTPUT_INTERLEAVED, GLenum output_type = GL_UNSIGNED_BYTE); // Change Y'CbCr output format. (This can be done also after finalize()). // Note that you are not allowed to change subsampling parameters; // however, you can change the color space parameters, ie., // luma_coefficients, full_range and num_levels. void change_ycbcr_output_format(const YCbCrFormat &ycbcr_format); // Set number of output bits, to scale the dither. // 8 is the right value for most outputs. // // Special note for 10- and 12-bit Y'CbCr packed into GL_UNSIGNED_SHORT: // This is relative to the actual output, not the logical one, so you should // specify 16 here, not 10 or 12. // // The default, 0, is a special value that means no dither. void set_dither_bits(unsigned num_bits) { this->num_dither_bits = num_bits; } // Set where (0,0) is taken to be in the output. The default is // OUTPUT_ORIGIN_BOTTOM_LEFT, which is usually what you want // (see OutputOrigin above for more details). void set_output_origin(OutputOrigin output_origin) { this->output_origin = output_origin; } // Set intermediate format for framebuffers used when we need to bounce // to a temporary texture. The default, GL_RGBA16F, is good for most uses; // it is precise, has good range, and is relatively efficient. However, // if you need even more speed and your chain can do with some loss of // accuracy, you can change the format here (before calling finalize). // Calculations between bounce buffers are still in 32-bit floating-point // no matter what you specify. // // Of special interest is GL_SRGB8_ALPHA8, which stores sRGB-encoded RGB // and linear alpha; this is half the memory bandwidth of GL_RGBA16F, // while retaining reasonable precision for typical image data. It will, // however, cause some gamut clipping if your colorspace is far from sRGB, // as it cannot represent values outside [0,1]. NOTE: If you construct // a chain where you end up bouncing pixels in non-linear light // (gamma different from GAMMA_LINEAR), this will be the wrong thing. // However, it's hard to see how this could happen in a non-contrived // chain; few effects ever need texture bounce or resizing without also // combining multiple pixels, which really needs linear light and thus // triggers a conversion before the bounce. // // If you don't need alpha (or can do with very little of it), GL_RGB10_A2 // is even better, as it has two more bits for each color component. There // is no GL_SRGB10, unfortunately, so on its own, it is somewhat worse than // GL_SRGB8, but you can set to SQUARE_ROOT_FRAMEBUFFER_TRANSFORMATION, // and sqrt(x) will be stored instead of x. This is a rough approximation to // the sRGB curve, and reduces maximum error (in sRGB distance) by almost an // order of magnitude, well below what you can get from 8-bit true sRGB. // (Note that this strategy avoids the problem with bounced non-linear data // above, since the square root is turned off in that case.) However, texture // filtering will happen on the transformed values, so if you have heavy // downscaling or the likes (e.g. mipmaps), you could get subtly bad results. // You'll need to see which of the two that works the best for you in practice. void set_intermediate_format( GLenum intermediate_format, FramebufferTransformation transformation = NO_FRAMEBUFFER_TRANSFORMATION) { this->intermediate_format = intermediate_format; this->intermediate_transformation = transformation; } void finalize(); // Measure the GPU time used for each actual phase during rendering. // Note that this is only available if GL_ARB_timer_query // (or, equivalently, OpenGL 3.3) is available. Also note that measurement // will incur a performance cost, as we wait for the measurements to // complete at the end of rendering. void enable_phase_timing(bool enable); void reset_phase_timing(); void print_phase_timing(); // Note: If you already know the width and height of the viewport, // calling render_to_fbo() directly will be slightly more efficient, // as it saves it from getting it from OpenGL. void render_to_screen() { render_to_fbo(0, 0, 0); } // Render the effect chain to the given FBO. If width=height=0, keeps // the current viewport. void render_to_fbo(GLuint fbo, unsigned width, unsigned height); // Render the effect chain to the given set of textures. This is equivalent // to render_to_fbo() with a freshly created FBO bound to the given textures, // except that it is more efficient if the last phase contains a compute shader. // Thus, prefer this to render_to_fbo() where possible. // // Only one destination texture is supported. This restriction will be lifted // in the future. // // All destination textures must be exactly of size x , // and must either come from the same ResourcePool the effect uses, or outlive // the EffectChain (otherwise, we could be allocating FBOs that end up being // stale). Textures must also have valid state; in particular, they must either // be mipmap complete or have a non-mipmapped minification mode. // // width and height can not be zero. struct DestinationTexture { GLuint texnum; GLenum format; }; void render_to_texture(const std::vector &destinations, unsigned width, unsigned height); Effect *last_added_effect() { if (nodes.empty()) { return nullptr; } else { return nodes.back()->effect; } } // API for manipulating the graph directly. Intended to be used from // effects and by EffectChain itself. // // Note that for nodes with multiple inputs, the order of calls to // connect_nodes() will matter. Node *add_node(Effect *effect); void connect_nodes(Node *sender, Node *receiver); void replace_receiver(Node *old_receiver, Node *new_receiver); void replace_sender(Node *new_sender, Node *receiver); void insert_node_between(Node *sender, Node *middle, Node *receiver); Node *find_node_for_effect(Effect *effect) { return node_map[effect]; } // Get the OpenGL sampler (GL_TEXTURE0, GL_TEXTURE1, etc.) for the // input of the given node, so that one can modify the sampler state // directly. Only valid to call during set_gl_state(). // // Also, for this to be allowed, 's effect must have // needs_texture_bounce() set, so that it samples directly from a // single-sampler input, or from an RTT texture. GLenum get_input_sampler(Node *node, unsigned input_num) const; // Whether input of corresponds to a single sampler // (see get_input_sampler()). Normally, you should not need to call this; // however, if the input Effect has set override_texture_bounce(), // this will return false, and you could be flexible and check it first // if you want. GLenum has_input_sampler(Node *node, unsigned input_num) const; // Get the current resource pool assigned to this EffectChain. // Primarily to let effects allocate textures as needed. // Any resources you get from the pool must be returned to the pool // no later than in the Effect's destructor. ResourcePool *get_resource_pool() { return resource_pool; } private: // Make sure the output rectangle is at least large enough to hold // the given input rectangle in both dimensions, and is of the // current aspect ratio (aspect_nom/aspect_denom). void size_rectangle_to_fit(unsigned width, unsigned height, unsigned *output_width, unsigned *output_height); // Compute the input sizes for all inputs for all effects in a given phase, // and inform the effects about the results. void inform_input_sizes(Phase *phase); // Determine the preferred output size of a given phase. // Requires that all input phases (if any) already have output sizes set. void find_output_size(Phase *phase); // Find all inputs eventually feeding into this effect that have // output gamma different from GAMMA_LINEAR. void find_all_nonlinear_inputs(Node *effect, std::vector *nonlinear_inputs); // Create a GLSL program computing the effects for this phase in order. void compile_glsl_program(Phase *phase); // Create all GLSL programs needed to compute the given effect, and all outputs // that depend on it (whenever possible). Returns the phase that has // as the last effect. Also pushes all phases in order onto . Phase *construct_phase(Node *output, std::map *completed_effects); // Do the actual rendering of the chain. If is not (GLuint)-1, // renders to that FBO. If is non-empty, render to that set // of textures (last phase, save for the dummy phase, must be a compute shader), // with x/y ignored. Having both set is an error. void render(GLuint dest_fbo, const std::vector &destinations, unsigned x, unsigned y, unsigned width, unsigned height); // Execute one phase, ie. set up all inputs, effects and outputs, and render the quad. // If is empty, uses whatever output is current (and the phase must not be // a compute shader). void execute_phase(Phase *phase, const std::map &output_textures, const std::vector &destinations, std::set *generated_mipmaps); // Set up uniforms for one phase. The program must already be bound. void setup_uniforms(Phase *phase); // Set up the given sampler number for sampling from an RTT texture. void setup_rtt_sampler(int sampler_num, bool use_mipmaps); // Output the current graph to the given file in a Graphviz-compatible format; // only useful for debugging. void output_dot(const char *filename); std::vector get_labels_for_edge(const Node *from, const Node *to); void output_dot_edge(FILE *fp, const std::string &from_node_id, const std::string &to_node_id, const std::vector &labels); // Some of the graph algorithms assume that the nodes array is sorted // topologically (inputs are always before outputs), but some operations // (like graph rewriting) can change that. This function restores that order. void sort_all_nodes_topologically(); // Do the actual topological sort. must be a connected, acyclic subgraph; // links that go to nodes not in the set will be ignored. std::vector topological_sort(const std::vector &nodes); // Utility function used by topological_sort() to do a depth-first search. // The reason why we store nodes left to visit instead of a more conventional // list of nodes to visit is that we want to be able to limit ourselves to // a subgraph instead of all nodes. The set thus serves a dual purpose. void topological_sort_visit_node(Node *node, std::set *nodes_left_to_visit, std::vector *sorted_list); // Used during finalize(). void find_color_spaces_for_inputs(); void propagate_alpha(); void propagate_gamma_and_color_space(); Node *find_output_node(); bool node_needs_colorspace_fix(Node *node); void fix_internal_color_spaces(); void fix_output_color_space(); bool node_needs_alpha_fix(Node *node); void fix_internal_alpha(unsigned step); void fix_output_alpha(); bool node_needs_gamma_fix(Node *node); void fix_internal_gamma_by_asking_inputs(unsigned step); void fix_internal_gamma_by_inserting_nodes(unsigned step); void fix_output_gamma(); void add_ycbcr_conversion_if_needed(); void add_dither_if_needed(); void add_dummy_effect_if_needed(); float aspect_nom, aspect_denom; ImageFormat output_format; OutputAlphaFormat output_alpha_format; bool output_color_rgba; int num_output_color_ycbcr; // Max 2. YCbCrFormat output_ycbcr_format; // If num_output_color_ycbcr is > 0. GLenum output_ycbcr_type; // If num_output_color_ycbcr is > 0. YCbCrOutputSplitting output_ycbcr_splitting[2]; // If num_output_color_ycbcr is > N. std::vector nodes; std::map node_map; Effect *dither_effect; Node *ycbcr_conversion_effect_node; std::vector inputs; // Also contained in nodes. std::vector phases; GLenum intermediate_format; FramebufferTransformation intermediate_transformation; unsigned num_dither_bits; OutputOrigin output_origin; bool finalized; GLuint vbo; // Contains vertex and texture coordinate data. // Whether the last effect (which will then be in a phase all by itself) // is a dummy effect that is only added because the last phase uses a compute // shader, which cannot output directly to the backbuffer. This means that // the phase can be skipped if we are _not_ rendering to the backbuffer. bool has_dummy_effect = false; ResourcePool *resource_pool; bool owns_resource_pool; bool do_phase_timing; }; } // namespace movit #endif // !defined(_MOVIT_EFFECT_CHAIN_H) movit-1.7.1/effect_util.h0000644000175000017500000000330614462263704014360 0ustar sessesesse#ifndef _MOVIT_EFFECT_UTIL_H #define _MOVIT_EFFECT_UTIL_H 1 // Utilities that are often useful for implementing Effect instances, // but don't need to be included from effect.h. #include #include #include #include #include #include #include #include "util.h" namespace movit { class EffectChain; class Node; // Convenience functions that deal with prepending the prefix. // Note that using EffectChain::register_uniform_*() is more efficient // than calling these from set_gl_state(). GLint get_uniform_location(GLuint glsl_program_num, const std::string &prefix, const std::string &key); void set_uniform_int(GLuint glsl_program_num, const std::string &prefix, const std::string &key, int value); void set_uniform_float(GLuint glsl_program_num, const std::string &prefix, const std::string &key, float value); void set_uniform_vec2(GLuint glsl_program_num, const std::string &prefix, const std::string &key, const float *values); void set_uniform_vec3(GLuint glsl_program_num, const std::string &prefix, const std::string &key, const float *values); void set_uniform_vec4(GLuint glsl_program_num, const std::string &prefix, const std::string &key, const float *values); void set_uniform_vec2_array(GLuint glsl_program_num, const std::string &prefix, const std::string &key, const float *values, size_t num_values); void set_uniform_vec4_array(GLuint glsl_program_num, const std::string &prefix, const std::string &key, const float *values, size_t num_values); void set_uniform_mat3(GLuint glsl_program_num, const std::string &prefix, const std::string &key, const Eigen::Matrix3d &matrix); } // namespace movit #endif // !defined(_MOVIT_EFFECT_UTIL_H) movit-1.7.1/effect.h0000644000175000017500000005225014462263704013325 0ustar sessesesse#ifndef _MOVIT_EFFECT_H #define _MOVIT_EFFECT_H 1 // Effect is the base class for every effect. It basically represents a single // GLSL function, with an optional set of user-settable parameters. // // A note on naming: Since all effects run in the same GLSL namespace, // you can't use any name you want for global variables (e.g. uniforms). // The framework assigns a prefix to you which will be unique for each // effect instance; use the macro PREFIX() around your identifiers to // automatically prepend that prefix. #include #include #include #include #include #include #include #include "defs.h" namespace movit { class EffectChain; class Node; // Can alias on a float[2]. struct Point2D { Point2D() {} Point2D(float x, float y) : x(x), y(y) {} float x, y; }; // Can alias on a float[3]. struct RGBTriplet { RGBTriplet() {} RGBTriplet(float r, float g, float b) : r(r), g(g), b(b) {} float r, g, b; }; // Can alias on a float[4]. struct RGBATuple { RGBATuple() {} RGBATuple(float r, float g, float b, float a) : r(r), g(g), b(b), a(a) {} float r, g, b, a; }; // Represents a registered uniform. template struct Uniform { std::string name; // Without prefix. const T *value; // Owner by the effect. size_t num_values; // Number of elements; for arrays only. _Not_ the vector length. std::string prefix; // Filled in only after phases have been constructed. GLint location; // Filled in only after phases have been constructed. -1 if no location. }; class Effect { public: virtual ~Effect() {} // An identifier for this type of effect, mostly used for debug output // (but some special names, like "ColorspaceConversionEffect", holds special // meaning). Same as the class name is fine. virtual std::string effect_type_id() const = 0; // Whether this effects expects its input (and output) to be in // linear gamma, ie. without an applied gamma curve. Most effects // will want this, although the ones that never actually look at // the pixels, e.g. mirror, won't need to care, and can set this // to false. If so, the input gamma will be undefined. // // Also see the note on needs_texture_bounce(), below. virtual bool needs_linear_light() const { return true; } // Whether this effect expects its input to be in the sRGB // color space, ie. use the sRGB/Rec. 709 RGB primaries. // (If not, it would typically come in as some slightly different // set of RGB primaries; you would currently not get YCbCr // or something similar). // // Again, most effects will want this, but you can set it to false // if you process each channel independently, equally _and_ // in a linear fashion. virtual bool needs_srgb_primaries() const { return true; } // How this effect handles alpha, ie. what it outputs in its // alpha channel. The choices are basically blank (alpha is always 1.0), // premultiplied and postmultiplied. // // Premultiplied alpha is when the alpha value has been be multiplied // into the three color components, so e.g. 100% red at 50% alpha // would be (0.5, 0.0, 0.0, 0.5) instead of (1.0, 0.0, 0.0, 0.5) // as it is stored in most image formats (postmultiplied alpha). // The multiplication is taken to have happened in linear light. // This is the most natural format for processing, and the default in // most of Movit (just like linear light is). // // If you set INPUT_AND_OUTPUT_PREMULTIPLIED_ALPHA or // INPUT_PREMULTIPLIED_ALPHA_KEEP_BLANK, all of your inputs // (if any) are guaranteed to also be in premultiplied alpha. // Otherwise, you can get postmultiplied or premultiplied alpha; // you won't know. If you have multiple inputs, you will get the same // (pre- or postmultiplied) for all inputs, although most likely, // you will want to combine them in a premultiplied fashion anyway // in that case. enum AlphaHandling { // Always outputs blank alpha (ie. alpha=1.0). Only appropriate // for inputs that do not output an alpha channel. // Blank alpha is special in that it can be treated as both // pre- and postmultiplied. OUTPUT_BLANK_ALPHA, // Always outputs postmultiplied alpha. Only appropriate for inputs. OUTPUT_POSTMULTIPLIED_ALPHA, // Always outputs premultiplied alpha. As noted above, // you will then also get all inputs in premultiplied alpha. // If you set this, you should also set needs_linear_light(). INPUT_AND_OUTPUT_PREMULTIPLIED_ALPHA, // Like INPUT_AND_OUTPUT_PREMULTIPLIED_ALPHA, but also guarantees // that if you get blank alpha in, you also keep blank alpha out. // This is a somewhat weaker guarantee than DONT_CARE_ALPHA_TYPE, // but is still useful in many situations, and appropriate when // e.g. you don't touch alpha at all. // // Does not make sense for inputs. INPUT_PREMULTIPLIED_ALPHA_KEEP_BLANK, // Keeps the type of alpha (premultiplied, postmultiplied, blank) // unchanged from input to output. Usually appropriate if you // process all color channels in a linear fashion, do not change // alpha, and do not produce any new pixels that have alpha != 1.0. // // Does not make sense for inputs. DONT_CARE_ALPHA_TYPE, }; virtual AlphaHandling alpha_handling() const { return INPUT_AND_OUTPUT_PREMULTIPLIED_ALPHA; } // Whether this effect expects its input to come directly from // a texture. If this is true, the framework will not chain the // input from other effects, but will store the results of the // chain to a temporary (RGBA fp16) texture and let this effect // sample directly from that. // // There are two good reasons why you might want to set this: // // 1. You are sampling more than once from the input, // in which case computing all the previous steps might // be more expensive than going to a memory intermediate. // 2. You rely on previous effects, possibly including gamma // expansion, to happen pre-filtering instead of post-filtering. // (This is only relevant if you actually need the filtering; if // you sample 1:1 between pixels and texels, it makes no difference.) // // Note that in some cases, you might get post-filtered gamma expansion // even when setting this option. More specifically, if you are the // first effect in the chain, and the GPU is doing sRGB gamma // expansion, it is undefined (from OpenGL's side) whether expansion // happens pre- or post-filtering. For most uses, however, // either will be fine. virtual bool needs_texture_bounce() const { return false; } // Whether this effect expects mipmaps or not. enum MipmapRequirements { // If chosen, you will be sampling with bilinear filtering, // ie. the closest mipmap will be chosen, and then there will be // bilinear interpolation inside it (GL_LINEAR_MIPMAP_NEAREST). NEEDS_MIPMAPS, // Whether the effect doesn't really care whether input textures // are with or without mipmaps. You could get the same effect // as NEEDS_MIPMAPS or CANNOT_ACCEPT_MIPMAPS; normally, you won't // get them, but if a different effect in the same phase needs mipmaps, // you will also get them. DOES_NOT_NEED_MIPMAPS, // The opposite of NEEDS_MIPMAPS; you will always be sampling from // the most detailed mip level (GL_LINEAR). Effects with NEEDS_MIPMAPS // and CANNOT_ACCEPT_MIPMAPS can not coexist within the same phase; // such phases will be split. // // This is the only choice that makes sense for a compute shader, // given that it doesn't have screen-space derivatives and thus // always will sample the most detailed mip level. CANNOT_ACCEPT_MIPMAPS, }; virtual MipmapRequirements needs_mipmaps() const { if (is_compute_shader()) { return CANNOT_ACCEPT_MIPMAPS; } else { return DOES_NOT_NEED_MIPMAPS; } } // Whether there is a direct correspondence between input and output // texels. Specifically, the effect must not: // // 1. Try to sample in the border (ie., outside the 0.0 to 1.0 area). // 2. Try to sample between texels. // 3. Sample with an x- or y-derivative different from -1 or 1. // (This also means needs_mipmaps() and one_to_one_sampling() // together would make no sense.) // // The most common case for this would be an effect that has an exact // 1:1-correspondence between input and output texels, e.g. SaturationEffect. // However, more creative things, like mirroring/flipping or padding, // would also be allowed. // // The primary gain from setting this is that you can sample directly // from an effect that changes output size (see changes_output_size() below), // without going through a bounce texture. It won't work for effects that // set sets_virtual_output_size(), though. // // Does not make a lot of sense together with needs_texture_bounce(). // Cannot be set for compute shaders. virtual bool one_to_one_sampling() const { return strong_one_to_one_sampling(); } // Similar in use to one_to_one_sampling(), but even stricter: // The effect must not modify texture coordinate in any way when // calling its input(s). This allows it to also be used after // a compute shader, in the same phase. // // An effect that it strong one-to-one must also be one-to-one. virtual bool strong_one_to_one_sampling() const { return false; } // Whether this effect wants to output to a different size than // its input(s) (see inform_input_size(), below). See also // sets_virtual_output_size() below. virtual bool changes_output_size() const { return false; } // Whether your get_output_size() function (see below) intends to ever set // virtual_width different from width, or similar for height. // It does not make sense to set this to true if changes_output_size() is false. virtual bool sets_virtual_output_size() const { return changes_output_size(); } // Whether this effect is effectively sampling from a a single texture. // If so, it will override needs_texture_bounce(); however, there are also // two demands it needs to fulfill: // // 1. It needs to be an Input, ie. num_inputs() == 0. // 2. It needs to allocate exactly one sampler in set_gl_state(), // and allow dependent effects to change that sampler state. virtual bool is_single_texture() const { return false; } // If set, this effect should never be bounced to an output, even if a // dependent effect demands texture bounce. // // Note that setting this can invoke undefined behavior, up to and including crashing, // so you should only use it if you have deep understanding of your entire chain // and Movit's processing of it. The most likely use case is if you have an input // that's cheap to compute but not a single texture (e.g. YCbCrInput), and want // to run a ResampleEffect directly from it. Normally, this would require a bounce, // but it's faster not to. (However, also note that in this case, effective texel // subpixel precision will be too optimistic, since chroma is already subsampled.) // // Has no effect if is_single_texture() is set. virtual bool override_disable_bounce() const { return false; } // If changes_output_size() is true, you must implement this to tell // the framework what output size you want. Also, you can set a // virtual width/height, which is the size the next effect (if any) // will _think_ your data is in. This is primarily useful if you are // relying on getting OpenGL's bilinear resizing for free; otherwise, // your virtual_width/virtual_height should be the same as width/height. // // Note that it is explicitly allowed to change width and height // from frame to frame; EffectChain will reallocate textures as needed. virtual void get_output_size(unsigned *width, unsigned *height, unsigned *virtual_width, unsigned *virtual_height) const { assert(false); } // Whether this effect uses a compute shader instead of a regular fragment shader. // Compute shaders are more flexible in that they can have multiple outputs // for each invocation and also communicate between instances (by using shared // memory within each group), but are not universally supported. The typical // pattern would be to check movit_compute_shaders_supported and rewrite the // graph to use a compute shader effect instead of a regular effect if it is // available, in order to get better performance. Since compute shaders can reuse // loads (again typically through shared memory), using needs_texture_bounce() // is usually not needed, although it is allowed; the best candidates for compute // shaders are typically those that sample many times from their input // but can reuse those loads across neighboring instances. // // Compute shaders commonly work with unnormalized texture coordinates // (where coordinates are integers [0..W) and [0..H)), whereas the rest // of Movit, including any inputs you may want to sample from, works // with normalized coordinates ([0..1)). Movit gives you uniforms // PREFIX(inv_output_size) and PREFIX(output_texcoord_adjust) that you // can use to transform unnormalized to normalized, as well as a macro // NORMALIZE_TEXTURE_COORDS(vec2) that does it for you. // // Since compute shaders have flexible output, it is difficult to chain other // effects after them in the same phase, and thus, they will always be last. // (This limitation may be lifted for the special case of one-to-one effects // in the future.) Furthermore, they cannot write to the framebuffer, just to // textures, so Movit may have to insert an extra phase just to do the output // from a texture to the screen in some cases. However, this is transparent // to both the effect and the user. virtual bool is_compute_shader() const { return false; } // For a compute shader (see the previous member function), what dimensions // it should be invoked over. Called every frame, before uniforms are set // (so you are allowed to update uniforms based from this call). virtual void get_compute_dimensions(unsigned output_width, unsigned output_height, unsigned *x, unsigned *y, unsigned *z) const { *x = output_width; *y = output_height; *z = 1; } // Tells the effect the resolution of each of its input. // This will be called every frame, and always before get_output_size(), // so you can change your output size based on the input if so desired. // // Note that in some cases, an input might not have a single well-defined // resolution (for instance if you fade between two inputs with // different resolutions). In this case, you will get width=0 and height=0 // for that input. If you cannot handle that, you will need to set // needs_texture_bounce() to true, which will force a render to a single // given resolution before you get the input. virtual void inform_input_size(unsigned input_num, unsigned width, unsigned height) {} // How many inputs this effect will take (a fixed number). // If you have only one input, it will be called INPUT() in GLSL; // if you have several, they will be INPUT1(), INPUT2(), and so on. virtual unsigned num_inputs() const { return 1; } // Inform the effect that it has been just added to the EffectChain. // The primary use for this is to store the ResourcePool uesd by // the chain; for modifications to it, rewrite_graph() below // is probably a better fit. virtual void inform_added(EffectChain *chain) {} // Let the effect rewrite the effect chain as it sees fit. // Most effects won't need to do this, but this is very useful // if you have an effect that consists of multiple sub-effects // (for instance, two passes). The effect is given to its own // pointer, and it can add new ones (by using add_node() // and connect_node()) as it sees fit. This is called at // EffectChain::finalize() time, when the entire graph is known, // in the order that the effects were originally added. // // Note that if the effect wants to take itself entirely out // of the chain, it must set “disabled” to true and then disconnect // itself from all other effects. virtual void rewrite_graph(EffectChain *graph, Node *self) {} // Returns the GLSL fragment shader string for this effect. virtual std::string output_fragment_shader() = 0; // Set all OpenGL state that this effect needs before rendering. // The default implementation sets one uniform per registered parameter, // but no other state. // // is the first free texture sampler. If you want to use // textures, you can bind a texture to GL_TEXTURE0 + , // and then increment the number (so that the next effect in the chain // will use a different sampler). virtual void set_gl_state(GLuint glsl_program_num, const std::string& prefix, unsigned *sampler_num); // If you set any special OpenGL state in set_gl_state(), you can clear it // after rendering here. The default implementation does nothing. virtual void clear_gl_state(); // Set a parameter; intended to be called from user code. // Neither of these take ownership of the pointer. virtual bool set_int(const std::string &key, int value) MUST_CHECK_RESULT; virtual bool set_ivec2(const std::string &key, const int *values) MUST_CHECK_RESULT; virtual bool set_float(const std::string &key, float value) MUST_CHECK_RESULT; virtual bool set_vec2(const std::string &key, const float *values) MUST_CHECK_RESULT; virtual bool set_vec3(const std::string &key, const float *values) MUST_CHECK_RESULT; virtual bool set_vec4(const std::string &key, const float *values) MUST_CHECK_RESULT; protected: // Register a parameter. Whenever set_*() is called with the same key, // it will update the value in the given pointer (typically a pointer // to some private member variable in your effect). It will also // register a uniform of the same name (plus an arbitrary prefix // which you can access using the PREFIX macro) that you can access. // // Neither of these take ownership of the pointer. // These correspond directly to int/float/vec2/vec3/vec4 in GLSL. void register_int(const std::string &key, int *value); void register_ivec2(const std::string &key, int *values); void register_float(const std::string &key, float *value); void register_vec2(const std::string &key, float *values); void register_vec3(const std::string &key, float *values); void register_vec4(const std::string &key, float *values); // Register uniforms, such that they will automatically be set // before the shader runs. This is more efficient than set_uniform_* // in effect_util.h, because it doesn't need to do name lookups // every time. Also, in the future, it will use uniform buffer objects // (UBOs) if available to reduce the number of calls into the driver. // // May not be called after output_fragment_shader() has returned. // The pointer must be valid for the entire lifetime of the Effect, // since the value is pulled from it each execution. The value is // guaranteed to be read after set_gl_state() for the effect has // returned, so you can safely update its value from there. // // Note that this will also declare the uniform in the shader for you, // so you should not do that yourself. (This is so it can be part of // the right uniform block.) However, it is probably a good idea to // have a commented-out declaration so that it is easier to see the // type and thus understand the shader on its own. // // Calling register_* will automatically imply register_uniform_*, // except for register_int as noted above. void register_uniform_sampler2d(const std::string &key, const int *value); void register_uniform_bool(const std::string &key, const bool *value); void register_uniform_int(const std::string &key, const int *value); void register_uniform_ivec2(const std::string &key, const int *values); void register_uniform_float(const std::string &key, const float *value); void register_uniform_vec2(const std::string &key, const float *values); void register_uniform_vec3(const std::string &key, const float *values); void register_uniform_vec4(const std::string &key, const float *values); void register_uniform_float_array(const std::string &key, const float *values, size_t num_values); void register_uniform_vec2_array(const std::string &key, const float *values, size_t num_values); void register_uniform_vec3_array(const std::string &key, const float *values, size_t num_values); void register_uniform_vec4_array(const std::string &key, const float *values, size_t num_values); void register_uniform_mat3(const std::string &key, const Eigen::Matrix3d *matrix); private: std::map params_int; std::map params_ivec2; std::map params_float; std::map params_vec2; std::map params_vec3; std::map params_vec4; // Picked out by EffectChain during finalization. std::vector> uniforms_image2d; std::vector> uniforms_sampler2d; std::vector> uniforms_bool; std::vector> uniforms_int; std::vector> uniforms_ivec2; std::vector> uniforms_float; std::vector> uniforms_vec2; std::vector> uniforms_vec3; std::vector> uniforms_vec4; std::vector> uniforms_float_array; std::vector> uniforms_vec2_array; std::vector> uniforms_vec3_array; std::vector> uniforms_vec4_array; std::vector> uniforms_mat3; friend class EffectChain; }; } // namespace movit #endif // !defined(_MOVIT_EFFECT_H) movit-1.7.1/input.h0000644000175000017500000000241014462263704013221 0ustar sessesesse#ifndef _MOVIT_INPUT_H #define _MOVIT_INPUT_H 1 #include #include "effect.h" #include "image_format.h" namespace movit { // An input is a degenerate case of an effect; it represents the picture data // that comes from the user. As such, it has zero “inputs” itself. // // An input is, like any other effect, required to be able to output a GLSL // fragment giving a RGBA value (although that GLSL fragment will have zero // inputs itself), and set the required OpenGL state on set_gl_state(), // including possibly uploading the texture if so required. class Input : public Effect { public: unsigned num_inputs() const override { return 0; } // Whether this input can deliver linear gamma directly if it's // asked to. (If so, set the parameter “output_linear_gamma” // to activate it.) virtual bool can_output_linear_gamma() const = 0; // Whether this input can supply mipmaps if asked to (by setting // the "needs_mipmaps" integer parameter set to 1). virtual bool can_supply_mipmaps() const { return true; } virtual unsigned get_width() const = 0; virtual unsigned get_height() const = 0; virtual Colorspace get_color_space() const = 0; virtual GammaCurve get_gamma_curve() const = 0; }; } // namespace movit #endif // !defined(_MOVIT_INPUT_H) movit-1.7.1/image_format.h0000644000175000017500000000306114462263704014517 0ustar sessesesse#ifndef _MOVIT_IMAGE_FORMAT_H #define _MOVIT_IMAGE_FORMAT_H 1 // Note: Movit's internal processing formats do not have enough // accuracy to support 12-bit input, so if you want to use Rec. 2020, // you should probably stick to 10-bit, or accept somewhat reduced // accuracy for 12-bit. Input depths above 8 bits are also generally // less tested. // // We also only support “conventional non-constant luminance” for Rec. 2020, // where Y' is derived from R'G'B' instead of RGB, since this is the same // system as used in Rec. 601 and 709. namespace movit { enum MovitPixelFormat { FORMAT_RGB, FORMAT_RGBA_PREMULTIPLIED_ALPHA, FORMAT_RGBA_POSTMULTIPLIED_ALPHA, FORMAT_BGR, FORMAT_BGRA_PREMULTIPLIED_ALPHA, FORMAT_BGRA_POSTMULTIPLIED_ALPHA, FORMAT_GRAYSCALE, FORMAT_RG, FORMAT_R }; enum Colorspace { COLORSPACE_INVALID = -1, // For internal use. COLORSPACE_REC_709 = 0, COLORSPACE_REC_601_525 = 1, COLORSPACE_REC_601_625 = 2, COLORSPACE_XYZ = 3, // Mostly useful for testing and debugging. COLORSPACE_REC_2020 = 4, COLORSPACE_sRGB = 5, // Used to be same as COLORSPACE_REC_709. }; enum GammaCurve { GAMMA_INVALID = -1, // For internal use. GAMMA_LINEAR = 0, GAMMA_sRGB = 1, GAMMA_REC_601 = 2, GAMMA_REC_709 = 2, // Same as Rec. 601. GAMMA_REC_2020_10_BIT = 2, // Same as Rec. 601. GAMMA_REC_2020_12_BIT = 3, }; enum YCbCrLumaCoefficients { YCBCR_REC_601 = 0, YCBCR_REC_709 = 1, YCBCR_REC_2020 = 2, }; struct ImageFormat { Colorspace color_space; GammaCurve gamma_curve; }; } // namespace movit #endif // !defined(_MOVIT_IMAGE_FORMAT_H) movit-1.7.1/init.h0000644000175000017500000000665214462263704013041 0ustar sessesesse#ifndef _MOVIT_INIT_H #define _MOVIT_INIT_H #include "defs.h" #include namespace movit { enum MovitDebugLevel { MOVIT_DEBUG_OFF = 0, MOVIT_DEBUG_ON = 1, }; // Initialize the library; in particular, will query the GPU for information // that is needed by various components. For instance, it verifies that // we have all the OpenGL extensions we need. Returns true if initialization // succeeded. // // The first parameter gives which directory to read .frag files from. // If you use "", or the file isn't found, a compiled-in version will // be used instead (if it exists). Most users should probably use "" // unless you need backwards compatibility with Movit 1.6.3 or older. // // The second parameter specifies whether debugging is on or off. // If it is on, Movit will write intermediate graphs and the final // generated shaders to the current directory. // // If you call init_movit() twice with different parameters, // only the first will count, and the second will always return true. bool init_movit(const std::string& data_directory, MovitDebugLevel debug_level) MUST_CHECK_RESULT; // GPU features. These are not intended for end-user use. // Whether init_movit() has been called. extern bool movit_initialized; // The current debug level. extern MovitDebugLevel movit_debug_level; // An estimate on the smallest values the linear texture interpolation // of the GPU can distinguish between, i.e., for a GPU with N-bit // texture subpixel precision, this value will be 2^-N. // // From reading the little specs that exist and through practical tests, // the broad picture seems to be that Intel cards have 6-bit precision, // nVidia cards have 8-bit, and Radeon cards have 6-bit before R6xx // (at least when not using trilinear sampling), but can reach // 8-bit precision on R6xx or newer in some (unspecified) cases. // // We currently don't bother to test for more than 1024 levels. extern float movit_texel_subpixel_precision; // Some GPUs use very inaccurate fixed-function circuits for rounding // floating-point values to 8-bit outputs, leading to absurdities like // the roundoff point between 128 and 129 being 128.62 instead of 128.5. // We test, for every integer, x+0.48 and x+0.52 and check that they // round the right way (giving some leeway, but not a lot); the number // of errors are stored here. // // If this value is above 0, we will round off explicitly at the very end // of the shader. Note the following limitations: // // - The measurement is done on linear 8-bit, not any sRGB format, // 10-bit output, or the likes. // - This only covers the final pass; intermediates are not covered // (only relevant if you use e.g. GL_SRGB8 intermediates). extern int movit_num_wrongly_rounded; // Whether the OpenGL driver (or GPU) in use supports GL_ARB_timer_query. extern bool movit_timer_queries_supported; // Whether the OpenGL driver (or GPU) in use supports compute shaders. // Note that certain OpenGL implementations might only allow this in core mode. extern bool movit_compute_shaders_supported; // What shader model we are compiling for. This only affects the choice // of a few files (like header.frag); most of the shaders are the same. enum MovitShaderModel { MOVIT_GLSL_110, // No longer in use, but kept until next ABI break in order not to change the enums. MOVIT_GLSL_130, MOVIT_ESSL_300, MOVIT_GLSL_150, }; extern MovitShaderModel movit_shader_model; } // namespace movit #endif // !defined(_MOVIT_INIT_H) movit-1.7.1/util.h0000644000175000017500000001447014462263704013050 0ustar sessesesse#ifndef _MOVIT_UTIL_H #define _MOVIT_UTIL_H 1 // Various utilities. #include #include #include #include #include #include "defs.h" #include "fp16.h" #define BUFFER_OFFSET(i) ((char *)nullptr + (i)) namespace movit { // Converts a HSV color to RGB. Assumes h in [0, 2pi> or [-pi, pi> void hsv2rgb(float h, float s, float v, float *r, float *g, float *b); // Converts a HSV color to RGB, but keeps luminance constant // (ie. color luminance is as if S=0). void hsv2rgb_normalized(float h, float s, float v, float *r, float *g, float *b); // Read a file from disk and return its contents. // Dies if the file does not exist. std::string read_file(const std::string &filename); // Reads ., .130. or .300es. and // returns its contents, depending on . std::string read_version_dependent_file(const std::string &base, const std::string &extension); // Compile the given GLSL shader (typically a vertex or fragment shader) // and return the object number. GLuint compile_shader(const std::string &shader_src, GLenum type); // Print a 3x3 matrix to standard output. Useful for debugging. void print_3x3_matrix(const Eigen::Matrix3d &m); // Output a GLSL 3x3 matrix declaration. std::string output_glsl_mat3(const std::string &name, const Eigen::Matrix3d &m); // Output GLSL scalar, 2-length and 3-length vector declarations. std::string output_glsl_float(const std::string &name, float x); std::string output_glsl_vec2(const std::string &name, float x, float y); std::string output_glsl_vec3(const std::string &name, float x, float y, float z); // Calculate a / b, rounding up. Does not handle overflow correctly. unsigned div_round_up(unsigned a, unsigned b); enum CombineRoundingBehavior { COMBINE_DO_NOT_ROUND = 0, COMBINE_ROUND_TO_FP16 = 1, }; // Calculate where to sample, and with what weight, if one wants to use // the GPU's bilinear hardware to sample w1 * x[pos1] + w2 * x[pos2], // where pos1 and pos2 must be normalized coordinates describing neighboring // texels in the mipmap level at which you sample. is the // number of distinct accessible subtexels in the given mipmap level, // calculated by num_texels / movit_texel_subpixel_precision. It is a float // for performance reasons, even though it is expected to be a whole number. // is simply its inverse (1/x). is // (pos2-pos1) and is 1/(pos2-pos1). // // Note that since the GPU might have limited precision in its linear // interpolation, the effective weights might be different from the ones you // asked for. sum_sq_error, if not nullptr, will contain the sum of the // (estimated) squared errors of the two weights. // // The answer, in "offset", comes as a normalized coordinate, // so if e.g. w2 = 0, you have simply offset = pos1. If // is COMBINE_ROUND_TO_FP16, the coordinate is assumed to be stored as a // rounded fp16 value. This enables more precise calculation of total_weight // and sum_sq_error. template void combine_two_samples(float w1, float w2, float pos1, float pos1_pos2_diff, float inv_pos1_pos2_diff, float num_subtexels, float inv_num_subtexels, DestFloat *offset, DestFloat *total_weight, float *sum_sq_error) { assert(w1 * w2 >= 0.0f); // Should not have differing signs. float z; // Normalized 0..1 between pos1 and pos2. if (fabs(w1 + w2) < 1e-6) { z = 0.5f; } else { z = w2 / (w1 + w2); } // Round to the desired precision. Note that this might take z outside the 0..1 range. *offset = from_fp32(pos1 + z * pos1_pos2_diff); z = (to_fp32(*offset) - pos1) * inv_pos1_pos2_diff; // Round to the minimum number of bits we have measured earlier. // The card will do this for us anyway, but if we know what the real z // is, we can pick a better total_weight below. z = lrintf(z * num_subtexels) * inv_num_subtexels; // Choose total weight w so that we minimize total squared error // for the effective weights: // // e = (w(1-z) - a)² + (wz - b)² // // Differentiating by w and setting equal to zero: // // 2(w(1-z) - a)(1-z) + 2(wz - b)z = 0 // w(1-z)² - a(1-z) + wz² - bz = 0 // w((1-z)² + z²) = a(1-z) + bz // w = (a(1-z) + bz) / ((1-z)² + z²) // // If z had infinite precision, this would simply reduce to w = w1 + w2. *total_weight = from_fp32((w1 + z * (w2 - w1)) / (z * z + (1 - z) * (1 - z))); if (sum_sq_error != nullptr) { float err1 = to_fp32(*total_weight) * (1 - z) - w1; float err2 = to_fp32(*total_weight) * z - w2; *sum_sq_error = err1 * err1 + err2 * err2; } } // Create a VBO with the given data. Returns the VBO number. GLuint generate_vbo(GLint size, GLenum type, GLsizeiptr data_size, const GLvoid *data); // Create a VBO with the given data, and bind it to the vertex attribute // with name . Returns the VBO number. GLuint fill_vertex_attribute(GLuint glsl_program_num, const std::string &attribute_name, GLint size, GLenum type, GLsizeiptr data_size, const GLvoid *data); // Clean up after fill_vertex_attribute(). void cleanup_vertex_attribute(GLuint glsl_program_num, const std::string &attribute_name, GLuint vbo); // If v is not already a power of two, return the first higher power of two. unsigned next_power_of_two(unsigned v); // Get a pointer that represents the current OpenGL context, in a cross-platform way. // This is not intended for anything but identification (ie., so you can associate // different FBOs with different contexts); you should probably not try to cast it // back into anything you intend to pass into OpenGL. void *get_gl_context_identifier(); // Used in the check_error() macro, below. void abort_gl_error(GLenum err, const char *filename, int line) DOES_NOT_RETURN; } // namespace movit #ifdef NDEBUG #define check_error() #else #define check_error() { GLenum err = glGetError(); if (err != GL_NO_ERROR) { movit::abort_gl_error(err, __FILE__, __LINE__); } } #endif // CHECK() is like assert(), but retains any side effects no matter the compilation mode. #ifdef NDEBUG #define CHECK(x) (void)(x) #else #define CHECK(x) do { bool ok = x; if (!ok) { fprintf(stderr, "%s:%d: %s: Assertion `%s' failed.\n", __FILE__, __LINE__, __PRETTY_FUNCTION__, #x); abort(); } } while (false) #endif #endif // !defined(_MOVIT_UTIL_H) movit-1.7.1/defs.h0000644000175000017500000000051514462263704013007 0ustar sessesesse#ifndef _MOVIT_DEFS_H #define _MOVIT_DEFS_H // Utility macros that are useful from other header files. #ifdef __GNUC__ #define MUST_CHECK_RESULT __attribute__((warn_unused_result)) #define DOES_NOT_RETURN __attribute__((noreturn)) #else #define MUST_CHECK_RESULT #define DOES_NOT_RETURN #endif #endif // !defined(_MOVIT_DEFS_H) movit-1.7.1/resource_pool.h0000644000175000017500000002734014462263704014753 0ustar sessesesse#ifndef _MOVIT_RESOURCE_POOL_H #define _MOVIT_RESOURCE_POOL_H 1 // A ResourcePool governs resources that are shared between multiple EffectChains; // in particular, resources that might be expensive to acquire or hold. Thus, // if you have many EffectChains, hooking them up to the same ResourcePool is // probably a good idea. // // However, hooking an EffectChain to a ResourcePool extends the OpenGL context // demands (see effect_chain.h) to that of the ResourcePool; all chains must then // only be used in OpenGL contexts sharing resources with each other. This is // the reason why there isn't just one global ResourcePool singleton (although // most practical users will just want one). // // Thread-safety: All functions except the constructor and destructor can be // safely called from multiple threads at the same time, provided they have // separate (but sharing) OpenGL contexts. // // Memory management (only relevant if you use multiple contexts): Some objects, // like FBOs, are not shareable across contexts, and can only be deleted from // the context they were created in. Thus, you will need to tell the // ResourcePool explicitly if you delete a context, or they will leak (and the // ResourcePool destructor will assert-fail). See clean_context(). #include #include #include #include #include #include #include #include #include #include namespace movit { class ResourcePool { public: // program_freelist_max_length is how many compiled programs that are unused to keep // around after they are no longer in use (in case another EffectChain // wants that exact program later). Shaders are expensive to compile and do not // need a lot of resources to keep around, so this should be a reasonable number. // // texture_freelist_max_bytes is how many bytes of unused textures to keep around // after they are no longer in use (in case a new texture of the same dimensions // and format is needed). Note that the size estimate is very coarse; it does not // take into account padding, metadata, and most importantly mipmapping. // This means you should be prepared for actual memory usage of the freelist being // twice this estimate or more. ResourcePool(size_t program_freelist_max_length = 100, size_t texture_freelist_max_bytes = 100 << 20, // 100 MB. size_t fbo_freelist_max_length = 100, // Per context. size_t vao_freelist_max_length = 100); // Per context. ~ResourcePool(); // All remaining functions are intended for calls from EffectChain only. // Compile the given vertex+fragment shader pair, or fetch an already // compiled program from the cache if possible. Keeps ownership of the // program; you must call release_glsl_program() instead of deleting it // when you no longer want it. // // If contains more than one value, the given // outputs will be bound to fragment shader output colors in the order // they appear in the vector. Otherwise, output order is undefined and // determined by the OpenGL driver. GLuint compile_glsl_program(const std::string& vertex_shader, const std::string& fragment_shader, const std::vector& frag_shader_outputs); void release_glsl_program(GLuint glsl_program_num); // Same as the previous, but for compile shaders instead. There is currently // no support for binding multiple outputs. GLuint compile_glsl_compute_program(const std::string& compile_shader); void release_glsl_compute_program(GLuint glsl_program_num); // Since uniforms belong to the program and not to the context, // a given GLSL program number can't be used by more than one thread // at a time. Thus, if two threads want to use the same program // (usually because two EffectChains share them via caching), // we will need to make a clone. use_glsl_program() makes such // a clone if needed, calls glUseProgram(), and returns the real // program number that was used; this must be given to // unuse_glsl_program() to release it. unuse_glsl_program() does not // actually change any OpenGL state, though. GLuint use_glsl_program(GLuint glsl_program_num); void unuse_glsl_program(GLuint instance_program_num); // Allocate a 2D texture of the given internal format and dimensions, // or fetch a previous used if possible. Unbinds GL_TEXTURE_2D afterwards. // Keeps ownership of the texture; you must call release_2d_texture() instead // of deleting it when you no longer want it. GLuint create_2d_texture(GLint internal_format, GLsizei width, GLsizei height); void release_2d_texture(GLuint texture_num); // Allocate an FBO with the the given texture(s) bound as framebuffer attachment(s), // or fetch a previous used if possible. Unbinds GL_FRAMEBUFFER afterwards. // Keeps ownership of the FBO; you must call release_fbo() of deleting // it when you no longer want it. // // NOTE: In principle, the FBO doesn't have a resolution or pixel format; // you can bind almost whatever texture you want to it. However, changing // textures can have an adverse effect on performance due to validation, // in particular on NVidia cards. Also, keep in mind that FBOs are not // shareable across contexts, so you must have the context that's supposed // to own the FBO current when you create or release it. GLuint create_fbo(GLuint texture0_num, GLuint texture1_num = 0, GLuint texture2_num = 0, GLuint texture3_num = 0); void release_fbo(GLuint fbo_num); // Create a VAO of a very specific form: All the given attribute indices // are bound to start of the given VBO and contain two-component floats. // Keeps ownership of the VAO; you must call release_vec2_vao() of deleting // it when you no longer want it. VAOs are not sharable across contexts. // // These are not cached primarily for performance, but rather to work // around an NVIDIA driver bug where glVertexAttribPointer() is thread-hostile // (ie., simultaneous GL work in unrelated contexts can cause the driver // to free() memory that was never malloc()-ed). GLuint create_vec2_vao(const std::set &attribute_indices, GLuint vbo_num); void release_vec2_vao(const GLuint vao_num); // Informs the ResourcePool that the current context is going away soon, // and that any resources held for it in the freelist should be deleted. // // You do not need to do this for the last context; the regular destructor // will take care of that. This means that if you only ever use one // thread/context, you never need to call this function. void clean_context(); private: // Delete the given program and both its shaders. void delete_program(GLuint program_num); // Deletes all FBOs for the given context that belong to deleted textures. void cleanup_unlinked_fbos(void *context); // Remove FBOs off the end of the freelist for , until it // is no more than elements long. void shrink_fbo_freelist(void *context, size_t max_length); // Same, for VAOs. void shrink_vao_freelist(void *context, size_t max_length); // Increment the refcount, or take it off the freelist if it's zero. void increment_program_refcount(GLuint program_num); // If debugging is on, output shader to a temporary file, for easier debugging. void output_debug_shader(const std::string &shader_src, const std::string &suffix); // For a new program that's not a clone of anything, insert it into the right // structures: Give it a refcount, and set up the program_masters / program_instances lists. void add_master_program(GLuint program_num); // Link the given vertex and fragment shaders into a full GLSL program. // See compile_glsl_program() for explanation of . static GLuint link_program(GLuint vs_obj, GLuint fs_obj, const std::vector& fragment_shader_outputs); static GLuint link_compute_program(GLuint cs_obj); // Protects all the other elements in the class. pthread_mutex_t lock; size_t program_freelist_max_length, texture_freelist_max_bytes, fbo_freelist_max_length, vao_freelist_max_length; // A mapping from vertex/fragment shader source strings to compiled program number. std::map, GLuint> programs; // A mapping from compute shader source string to compiled program number. std::map compute_programs; // A mapping from compiled program number to number of current users. // Once this reaches zero, the program is taken out of this map and instead // put on the freelist (after which it may be deleted). std::map program_refcount; // A mapping from program number to vertex and fragment shaders. // Contains everything needed to re-link the program. struct ShaderSpec { GLuint vs_obj, fs_obj; std::vector fragment_shader_outputs; }; std::map program_shaders; struct ComputeShaderSpec { GLuint cs_obj; }; std::map compute_program_shaders; // For each program, a list of other programs that are exactly like it. // By default, will only contain the program itself, but due to cloning // (see use_glsl_program()), may grow. Programs are taken off this list // while they are in use (by use_glsl_program()). std::map> program_instances; // For each program, the master program that created it // (inverse of program_instances). std::map program_masters; // A list of programs that are no longer in use, most recently freed first. // Once this reaches , the last element // will be deleted. std::list program_freelist; struct Texture2D { GLint internal_format; GLsizei width, height; GLsync no_reuse_before = nullptr; }; // A mapping from texture number to format details. This is filled if the // texture is given out to a client or on the freelist, but not if it is // deleted from the freelist. std::map texture_formats; // A list of all textures that are release but not freed (most recently freed // first), and an estimate of their current memory usage. Once // goes above , // elements are deleted off the end of the list until we are under the limit // again. std::list texture_freelist; size_t texture_freelist_bytes; static const unsigned num_fbo_attachments = 4; struct FBO { GLuint fbo_num; // GL_INVALID_INDEX means associated to a texture that has since been deleted. // 0 means the output isn't bound. GLuint texture_num[num_fbo_attachments]; }; // For each context, a mapping from FBO number to format details. This is // filled if the FBO is given out to a client or on the freelist, but // not if it is deleted from the freelist. std::map, FBO> fbo_formats; typedef std::map, FBO>::iterator FBOFormatIterator; // For each context, a list of all FBOs that are released but not freed // (most recently freed first). Once this reaches , // the last element will be deleted. // // We store iterators directly into for efficiency. std::map> fbo_freelist; // Very similar, for VAOs. struct VAO { GLuint vao_num; std::set attribute_indices; GLuint vbo_num; }; std::map, VAO> vao_formats; typedef std::map, VAO>::iterator VAOFormatIterator; std::map> vao_freelist; // See the caveats at the constructor. static size_t estimate_texture_size(const Texture2D &texture_format); }; } // namespace movit #endif // !defined(_MOVIT_RESOURCE_POOL_H) movit-1.7.1/fp16.h0000644000175000017500000000756114462263704012652 0ustar sessesesse#ifndef _MOVIT_FP16_H #define _MOVIT_FP16_H 1 #ifdef __F16C__ #include #endif // Code for converting to and from fp16 (from fp64), without any particular // machine support, with proper IEEE round-to-even behavior (and correct // handling of NaNs and infinities). This is needed because some OpenGL // drivers don't properly round off when asked to convert data themselves. // // These routines are originally written by Fabian Giesen, and released by // him into the public domain; // see https://fgiesen.wordpress.com/2012/03/28/half-to-float-done-quic/. // They are quite fast, and can be vectorized if need be; of course, using // the f16c instructions (see below) will be faster still. namespace movit { // structs instead of ints, so that they are not implicitly convertible. struct fp32_int_t { unsigned int val; }; struct fp16_int_t { unsigned short val; }; #ifdef __F16C__ // Use the f16c instructions from Haswell if available (and we know that they // are at compile time). static inline float fp16_to_fp32(fp16_int_t x) { return _cvtsh_ss(x.val); } static inline fp16_int_t fp32_to_fp16(float x) { fp16_int_t ret; ret.val = _cvtss_sh(x, 0); return ret; } #else union fp32 { float f; unsigned int u; }; static inline float fp16_to_fp32(fp16_int_t h) { fp32 magic; magic.u = 113 << 23; unsigned int shifted_exp = 0x7c00 << 13; // exponent mask after shift fp32 o; // mantissa+exponent unsigned int shifted = (h.val & 0x7fff) << 13; unsigned int exponent = shifted & shifted_exp; // exponent cases o.u = shifted; if (exponent == 0) { // Zero / Denormal o.u += magic.u; o.f -= magic.f; } else if (exponent == shifted_exp) { // Inf/NaN o.u += (255 - 31) << 23; } else { o.u += (127 - 15) << 23; } o.u |= (h.val & 0x8000) << 16; // copy sign bit return o.f; } static inline fp16_int_t fp32_to_fp16(float x) { fp32 f; f.f = x; unsigned int f32infty = 255 << 23; unsigned int f16max = (127 + 16) << 23; fp32 denorm_magic; denorm_magic.u = ((127 - 15) + (23 - 10) + 1) << 23; unsigned int sign_mask = 0x80000000u; fp16_int_t o = { 0 }; unsigned int sign = f.u & sign_mask; f.u ^= sign; // NOTE all the integer compares in this function can be safely // compiled into signed compares since all operands are below // 0x80000000. Important if you want fast straight SSE2 code // (since there's no unsigned PCMPGTD). if (f.u >= f16max) { // result is Inf or NaN (all exponent bits set) o.val = (f.u > f32infty) ? 0x7e00 : 0x7c00; // NaN->qNaN and Inf->Inf } else { // (De)normalized number or zero if (f.u < (113 << 23)) { // resulting FP16 is subnormal or zero // use a magic value to align our 10 mantissa bits at the bottom of // the float. as long as FP addition is round-to-nearest-even this // just works. f.f += denorm_magic.f; // and one integer subtract of the bias later, we have our final float! o.val = f.u - denorm_magic.u; } else { unsigned int mant_odd = (f.u >> 13) & 1; // resulting mantissa is odd // update exponent, rounding bias part 1 f.u += (unsigned(15 - 127) << 23) + 0xfff; // rounding bias part 2 f.u += mant_odd; // take the bits! o.val = f.u >> 13; } } o.val |= sign >> 16; return o; } #endif // Overloads for use in templates. static inline float to_fp32(double x) { return x; } static inline float to_fp32(float x) { return x; } static inline float to_fp32(fp16_int_t x) { return fp16_to_fp32(x); } template inline T from_fp32(float x); template<> inline double from_fp32(float x) { return x; } template<> inline float from_fp32(float x) { return x; } template<> inline fp16_int_t from_fp32(float x) { return fp32_to_fp16(x); } template inline To convert_float(From x) { return from_fp32(to_fp32(x)); } template inline Same convert_float(Same x) { return x; } } // namespace movit #endif // _MOVIT_FP16_H movit-1.7.1/ycbcr.h0000644000175000017500000000771514462263704013201 0ustar sessesesse#ifndef _MOVIT_YCBCR_H #define _MOVIT_YCBCR_H 1 // Shared utility functions between YCbCrInput, YCbCr422InterleavedInput // and YCbCrConversionEffect. // // Conversion from integer to floating-point representation in case of // Y'CbCr is seemingly tricky: // // BT.601 page 8 has a table that says that for luma, black is at 16.00_d and // white is at 235.00_d. _d seemingly means “on a floating-point scale from 0 // to 255.75”, see §2.4. The .75 is because BT.601 wants to support 10-bit, // but all values are scaled for 8-bit since that's the most common; it is // specified that conversion from 8-bit to 10-bit is done by inserting two // binary zeroes at the end (not repeating bits as one would often do // otherwise). It would seem that BT.601 lives in a world where the idealized // range is really [0,256), not [0,255]. // // However, GPUs (and by extension Movit) don't work this way. For them, // typically 1.0 maps to the largest possible representable value in the // framebuffer, ie., the range [0.0,1.0] maps to [0,255] for 8-bit // and to [0,1023] (or [0_d,255.75_d] in BT.601 parlance) for 10-bit. // // BT.709 (page 5) seems to agree with BT.601; it specifies range 16–235 for // 8-bit luma, and 64–940 for 10-bit luma. This would indicate, for a GPU, // that that for 8-bit mode, the range would be 16/255 to 235/255 // (0.06275 to 0.92157), while for 10-bit, it should be 64/1023 to 940/1023 // (0.06256 to 0.91887). There's no good compromise here; if you select 8-bit // range, 10-bit goes out of range (white gets to 942), while if you select // 10-bit range, 8-bit gets only to 234, making true white impossible. // // Thus, you will need to specify the actual precision of the Y'CbCr source // (or destination); the num_levels field is the right place. Most people // will want to simply set this to 256, as 8-bit Y'CbCr is the most common, // but the right value will naturally depend on your input. // // We could use unsigned formats (e.g. GL_R8UI), which in a sense would // solve all of this, but then we'd lose filtering. #include "image_format.h" #include #include namespace movit { struct YCbCrFormat { // Which formula for Y' to use. YCbCrLumaCoefficients luma_coefficients; // If true, assume Y'CbCr coefficients are full-range, ie. go from 0 to 255 // instead of the limited 220/225 steps in classic MPEG. For instance, // JPEG uses the Rec. 601 luma coefficients, but full range. bool full_range; // Set to 2^n for n-bit Y'CbCr (e.g. 256 for 8-bit Y'CbCr). // See file-level comment. int num_levels; // Sampling factors for chroma components. For no subsampling (4:4:4), // set both to 1. unsigned chroma_subsampling_x, chroma_subsampling_y; // Positioning of the chroma samples. MPEG-1 and JPEG is (0.5, 0.5); // MPEG-2 and newer typically are (0.0, 0.5). float cb_x_position, cb_y_position; float cr_x_position, cr_y_position; }; // Convert texel sampling offset for the given chroma channel, given that // chroma position is (0..1), we are downsampling this chroma channel // by a factor of and the texture we are sampling from // is pixels wide/high. float compute_chroma_offset(float pos, unsigned subsampling_factor, unsigned resolution); // Given , compute the values needed to turn Y'CbCr into R'G'B'; // first subtract the returned offset, then left-multiply the returned matrix // (the scaling is already folded into it). // // is the data type you're rendering from; normally, it would should match // , but for the special case of 10- and 12-bit Y'CbCr, // we support storing it in 16-bit formats, which incurs extra scaling factors. // You can get that scaling factor in if you want. void compute_ycbcr_matrix(YCbCrFormat ycbcr_format, float *offset, Eigen::Matrix3d *ycbcr_to_rgb, GLenum type = GL_UNSIGNED_BYTE, double *scale_factor = nullptr); } // namespace movit #endif // !defined(_MOVIT_YCBCR_INPUT_H) movit-1.7.1/version.h0000644000175000017500000000046014462263704013552 0ustar sessesesse#ifndef _MOVIT_VERSION_H #define _MOVIT_VERSION_H 1 // A number that will increase every time the visible user API // changes, even within git versions. There is no specific version // documentation outside the regular changelogs, though. #define MOVIT_VERSION 39 #endif // !defined(_MOVIT_VERSION_H) movit-1.7.1/flat_input.h0000644000175000017500000001315614462263704014240 0ustar sessesesse#ifndef _MOVIT_FLAT_INPUT_H #define _MOVIT_FLAT_INPUT_H 1 #include #include #include #include "effect.h" #include "effect_chain.h" #include "fp16.h" #include "image_format.h" #include "input.h" namespace movit { class ResourcePool; // A FlatInput is the normal, “classic” case of an input, where everything // comes from a single 2D array with chunky pixels. class FlatInput : public Input { public: FlatInput(ImageFormat format, MovitPixelFormat pixel_format, GLenum type, unsigned width, unsigned height); ~FlatInput(); std::string effect_type_id() const override { return "FlatInput"; } bool can_output_linear_gamma() const override { // On desktop OpenGL, there's also GL_SLUMINANCE8 which could give us // support for single-channel sRGB decoding, but it's not supported // on GLES, and we're already actively rewriting single-channel inputs // to GL_RED (even on desktop), so we stick to 3- and 4-channel inputs. return (type == GL_UNSIGNED_BYTE && (pixel_format == FORMAT_RGB || pixel_format == FORMAT_RGBA_POSTMULTIPLIED_ALPHA) && (image_format.gamma_curve == GAMMA_LINEAR || image_format.gamma_curve == GAMMA_sRGB)); } AlphaHandling alpha_handling() const override { switch (pixel_format) { case FORMAT_RGBA_PREMULTIPLIED_ALPHA: return INPUT_AND_OUTPUT_PREMULTIPLIED_ALPHA; case FORMAT_RGBA_POSTMULTIPLIED_ALPHA: return OUTPUT_POSTMULTIPLIED_ALPHA; case FORMAT_R: case FORMAT_RG: case FORMAT_RGB: return OUTPUT_BLANK_ALPHA; default: assert(false); } } std::string output_fragment_shader() override; // Uploads the texture if it has changed since last time. void set_gl_state(GLuint glsl_program_num, const std::string& prefix, unsigned *sampler_num) override; unsigned get_width() const override { return width; } unsigned get_height() const override { return height; } Colorspace get_color_space() const override { return image_format.color_space; } GammaCurve get_gamma_curve() const override { return image_format.gamma_curve; } bool is_single_texture() const override { return true; } // Tells the input where to fetch the actual pixel data. Note that if you change // this data, you must either call set_pixel_data() again (using the same pointer // is fine), or invalidate_pixel_data(). Otherwise, the texture won't be re-uploaded // on subsequent frames. // // The data can either be a regular pointer (if pbo==0), or a byte offset // into a PBO. The latter will allow you to start uploading the texture data // asynchronously to the GPU, if you have any CPU-intensive work between the // call to set_pixel_data() and the actual rendering. In either case, // the pointer (and PBO, if set) has to be valid at the time of the render call. void set_pixel_data(const unsigned char *pixel_data, GLuint pbo = 0) { assert(this->type == GL_UNSIGNED_BYTE); this->pixel_data = pixel_data; this->pbo = pbo; invalidate_pixel_data(); } void set_pixel_data(const unsigned short *pixel_data, GLuint pbo = 0) { assert(this->type == GL_UNSIGNED_SHORT); this->pixel_data = pixel_data; this->pbo = pbo; invalidate_pixel_data(); } void set_pixel_data_fp16(const fp16_int_t *pixel_data, GLuint pbo = 0) { assert(this->type == GL_HALF_FLOAT); this->pixel_data = pixel_data; this->pbo = pbo; invalidate_pixel_data(); } void set_pixel_data(const float *pixel_data, GLuint pbo = 0) { assert(this->type == GL_FLOAT); this->pixel_data = pixel_data; this->pbo = pbo; invalidate_pixel_data(); } void invalidate_pixel_data(); // Note: Sets pitch to width, so even if your pitch is unchanged, // you will need to re-set it after this call. void set_width(unsigned width) { assert(width != 0); this->pitch = this->width = width; invalidate_pixel_data(); } void set_height(unsigned height) { assert(height != 0); this->height = height; invalidate_pixel_data(); } void set_pitch(unsigned pitch) { assert(pitch != 0); this->pitch = pitch; invalidate_pixel_data(); } // Tells the input to use the specific OpenGL texture as pixel data. // This is useful if you want to share the same texture between multiple // EffectChain instances, or if you somehow can get the data into a texture more // efficiently than through a normal upload (e.g. a video codec decoding straight // into a texture). Note that you are responsible for setting the right sampler // parameters (e.g. clamp-to-edge) yourself, as well as generate any mipmaps // if they are needed. // // NOTE: The input does not take ownership of this texture; you are responsible // for releasing it yourself. In particular, if you call invalidate_pixel_data() // or anything calling it, the texture will silently be removed from the input. // // NOTE: Doing this in a situation where can_output_linear_gamma() is true // can yield unexpected results, as the downstream effect can expect the texture // to be uploaded with the sRGB flag on. void set_texture_num(GLuint texture_num) { possibly_release_texture(); this->texture_num = texture_num; this->owns_texture = false; } void inform_added(EffectChain *chain) override { resource_pool = chain->get_resource_pool(); } private: // Release the texture if we have any, and it is owned by us. void possibly_release_texture(); ImageFormat image_format; MovitPixelFormat pixel_format; GLenum type; GLuint pbo, texture_num; int output_linear_gamma, needs_mipmaps; unsigned width, height, pitch; bool owns_texture; const void *pixel_data; ResourcePool *resource_pool; bool fixup_swap_rb, fixup_red_to_grayscale; GLint uniform_tex; }; } // namespace movit #endif // !defined(_MOVIT_FLAT_INPUT_H) movit-1.7.1/ycbcr_input.h0000644000175000017500000001713514462263704014415 0ustar sessesesse#ifndef _MOVIT_YCBCR_INPUT_H #define _MOVIT_YCBCR_INPUT_H 1 // YCbCrInput is for handling Y'CbCr (also sometimes, usually rather // imprecisely, called “YUV”), which is typically what you get from a video // decoder. It supports these formats: // // * 8-bit planar Y'CbCr, possibly subsampled (e.g. 4:2:0). // * 8-bit semiplanar Y'CbCr (Y' in one plane, CbCr in another), // possibly subsampled. // * 8-bit interleaved (chunked) Y'CbCr, no subsampling (4:4:4 only). // * All of the above in 10- and 12-bit versions, where each sample is // stored in a 16-bit int (so the 6 or 4 top bits are wasted). // * 10-bit interleaved (chunked) Y'CbCr packed into 32-bit words // (10:10:10:2), no subsampling (4:4:4 only). // // For the planar and semiplanar cases, it upsamples planes as needed, using // the default linear upsampling OpenGL gives you. Note that YCbCr422InterleavedInput // supports the important special case of 8-bit 4:2:2 interleaved. #include #include #include #include "effect.h" #include "effect_chain.h" #include "image_format.h" #include "input.h" #include "ycbcr.h" namespace movit { class ResourcePool; // Whether the data is planar (Y', Cb and Cr in one texture each) or not. enum YCbCrInputSplitting { // The standard, default case; Y', Cb and Cr in one texture each. YCBCR_INPUT_PLANAR, // Y' in one texture, and then Cb and Cr interleaved in one texture. // In particular, this is a superset of the relatively popular NV12 mode. // If you specify this mode, the “Cr” pointer texture will be unused // (the ”Cb” texture contains both). YCBCR_INPUT_SPLIT_Y_AND_CBCR, // Y', Cb and Cr interleaved in the same texture (the “Y” texture; // “Cb” and “Cr” are unused). This means you cannot have any subsampling; // 4:4:4 only. YCBCR_INPUT_INTERLEAVED, }; class YCbCrInput : public Input { public: // Type can be GL_UNSIGNED_BYTE for 8-bit, GL_UNSIGNED_SHORT for 10- or 12-bit // (or 8-bit, although that's a bit useless), or GL_UNSIGNED_INT_2_10_10_10_REV // for 10-bit (YCBCR_INPUT_INTERLEAVED only). YCbCrInput(const ImageFormat &image_format, const YCbCrFormat &ycbcr_format, unsigned width, unsigned height, YCbCrInputSplitting ycbcr_input_splitting = YCBCR_INPUT_PLANAR, GLenum type = GL_UNSIGNED_BYTE); ~YCbCrInput(); std::string effect_type_id() const override { return "YCbCrInput"; } bool can_output_linear_gamma() const override { return false; } AlphaHandling alpha_handling() const override { return OUTPUT_BLANK_ALPHA; } std::string output_fragment_shader() override; // Uploads the texture if it has changed since last time. void set_gl_state(GLuint glsl_program_num, const std::string& prefix, unsigned *sampler_num) override; unsigned get_width() const override { return width; } unsigned get_height() const override { return height; } Colorspace get_color_space() const override { return image_format.color_space; } GammaCurve get_gamma_curve() const override { return image_format.gamma_curve; } bool can_supply_mipmaps() const override { return ycbcr_input_splitting == YCBCR_INPUT_INTERLEAVED; } bool is_single_texture() const override { return ycbcr_input_splitting == YCBCR_INPUT_INTERLEAVED; } // Tells the input where to fetch the actual pixel data. Note that if you change // this data, you must either call set_pixel_data() again (using the same pointer // is fine), or invalidate_pixel_data(). Otherwise, the texture won't be re-uploaded // on subsequent frames. // // The data can either be a regular pointer (if pbo==0), or a byte offset // into a PBO. The latter will allow you to start uploading the texture data // asynchronously to the GPU, if you have any CPU-intensive work between the // call to set_pixel_data() and the actual rendering. In either case, // the pointer (and PBO, if set) has to be valid at the time of the render call. void set_pixel_data(unsigned channel, const unsigned char *pixel_data, GLuint pbo = 0) { assert(type == GL_UNSIGNED_BYTE || type == GL_UNSIGNED_INT_2_10_10_10_REV); assert(channel >= 0 && channel < num_channels); this->pixel_data[channel] = pixel_data; this->pbos[channel] = pbo; invalidate_pixel_data(); } void set_pixel_data(unsigned channel, const uint16_t *pixel_data, GLuint pbo = 0) { assert(type == GL_UNSIGNED_SHORT); assert(channel >= 0 && channel < num_channels); this->pixel_data[channel] = reinterpret_cast(pixel_data); this->pbos[channel] = pbo; invalidate_pixel_data(); } void set_pixel_data(unsigned channel, const uint32_t *pixel_data, GLuint pbo = 0) { assert(type == GL_UNSIGNED_INT_2_10_10_10_REV); assert(channel == 0); this->pixel_data[channel] = reinterpret_cast(pixel_data); this->pbos[channel] = pbo; invalidate_pixel_data(); } void invalidate_pixel_data(); // Note: Sets pitch to width, so even if your pitch is unchanged, // you will need to re-set it after this call. void set_width(unsigned width) { assert(width != 0); this->width = width; assert(width % ycbcr_format.chroma_subsampling_x == 0); pitch[0] = widths[0] = width; pitch[1] = widths[1] = width / ycbcr_format.chroma_subsampling_x; pitch[2] = widths[2] = width / ycbcr_format.chroma_subsampling_x; invalidate_pixel_data(); } void set_height(unsigned height) { assert(height != 0); this->height = height; assert(height % ycbcr_format.chroma_subsampling_y == 0); heights[0] = height; heights[1] = height / ycbcr_format.chroma_subsampling_y; heights[2] = height / ycbcr_format.chroma_subsampling_y; invalidate_pixel_data(); } void set_pitch(unsigned channel, unsigned pitch) { assert(pitch != 0); assert(channel >= 0 && channel < num_channels); this->pitch[channel] = pitch; invalidate_pixel_data(); } // Tells the input to use the specific OpenGL texture as pixel data for the given // channel. The comments on FlatInput::set_texture_num() also apply here, except // that this input generally does not use mipmaps. void set_texture_num(unsigned channel, GLuint texture_num) { possibly_release_texture(channel); this->texture_num[channel] = texture_num; this->owns_texture[channel] = false; } // You can change the Y'CbCr format freely, also after finalize, // although with one limitation: If Cb and Cr come from the same // texture and their offsets offsets are the same (ie., within 1e-6) // when finalizing, they most continue to be so forever, as this // optimization is compiled into the shader. // // If you change subsampling parameters, you'll need to call // set_width() / set_height() again after this. void change_ycbcr_format(const YCbCrFormat &ycbcr_format); void inform_added(EffectChain *chain) override { resource_pool = chain->get_resource_pool(); } bool set_int(const std::string& key, int value) override; private: // Release the texture in the given channel if we have any, and it is owned by us. void possibly_release_texture(unsigned channel); ImageFormat image_format; YCbCrFormat ycbcr_format; GLuint num_channels; YCbCrInputSplitting ycbcr_input_splitting; int needs_mipmaps; // Only allowed if ycbcr_input_splitting == YCBCR_INPUT_INTERLEAVED. GLenum type; GLuint pbos[3], texture_num[3]; GLint uniform_tex_y, uniform_tex_cb, uniform_tex_cr; Eigen::Matrix3d uniform_ycbcr_matrix; float uniform_offset[3]; Point2D uniform_cb_offset, uniform_cr_offset; bool cb_cr_offsets_equal; unsigned width, height, widths[3], heights[3]; const unsigned char *pixel_data[3]; unsigned pitch[3]; bool owns_texture[3]; ResourcePool *resource_pool; }; } // namespace movit #endif // !defined(_MOVIT_YCBCR_INPUT_H) movit-1.7.1/ycbcr_422interleaved_input.h0000644000175000017500000001242614462263704017225 0ustar sessesesse#ifndef _MOVIT_YCBCR_422INTERLEAVED_INPUT_H #define _MOVIT_YCBCR_422INTERLEAVED_INPUT_H 1 // YCbCr422InterleavedInput is for handling 4:2:2 interleaved 8-bit Y'CbCr, // which you can get from e.g. certain capture cards. (Most other Y'CbCr // encodings are planar, which is handled by YCbCrInput.) Currently we only // handle the UYVY variant, although YUY2 should be easy to support if needed. // // Horizontal chroma placement is freely choosable as with YCbCrInput, // but BT.601 (which at least DeckLink claims to conform to, under the // name CCIR 601) seems to specify chroma positioning to the far left // (that is 0.0); BT.601 Annex 1 (page 7) says “C R and C B samples co-sited // with odd (1st, 3rd, 5th, etc.) Y samples in each line”, and I assume they do // not start counting from 0 when they use the “1st” moniker. // // Interpolation is bilinear as in YCbCrInput (done by the GPU's normal // scaling, except for the Y channel which of course needs some fiddling), // and is done in non-linear light (since that's what everything specifies, // except Rec. 2020 lets you choose between the two). A higher-quality // choice would be to use a single pass of ResampleEffect to scale the // chroma, but for now we are consistent between the two. // // There is a disparity between the interleaving and the way OpenGL typically // expects to sample. In lieu of accessible hardware support (a lot of hardware // supports native interleaved 4:2:2 sampling, but OpenGL drivers seem to // rarely support it), we simply upload the same data twice; once as a // full-width RG texture (from which we sample luma) and once as a half-width // RGBA texture (from which we sample chroma). We throw away half of the color // channels each time, so bandwidth is wasted, but it makes for a very // uncomplicated shader. // // Note that if you can shuffle your data around very cheaply on the CPU // (say, while you're decoding it out of some other buffer anyway), // regular YCbCrInput with YCBCR_INPUT_SPLIT_Y_AND_CBCR will probably be // more efficient, as it doesn't need this bandwidth waste. #include #include #include "effect.h" #include "effect_chain.h" #include "image_format.h" #include "input.h" #include "ycbcr.h" namespace movit { class ResourcePool; class YCbCr422InterleavedInput : public Input { public: // must be consistent with 4:2:2 sampling; specifically: // // * chroma_subsampling_x must be 2. // * chroma_subsampling_y must be 1. // // must obviously be an even number. It is the true width of the image // in pixels, ie., the number of horizontal luma samples. YCbCr422InterleavedInput(const ImageFormat &image_format, const YCbCrFormat &ycbcr_format, unsigned width, unsigned height); ~YCbCr422InterleavedInput(); std::string effect_type_id() const override { return "YCbCr422InterleavedInput"; } bool can_output_linear_gamma() const override { return false; } AlphaHandling alpha_handling() const override { return OUTPUT_BLANK_ALPHA; } std::string output_fragment_shader() override; // Uploads the texture if it has changed since last time. void set_gl_state(GLuint glsl_program_num, const std::string& prefix, unsigned *sampler_num) override; unsigned get_width() const override { return width; } unsigned get_height() const override { return height; } Colorspace get_color_space() const override { return image_format.color_space; } GammaCurve get_gamma_curve() const override { return image_format.gamma_curve; } bool can_supply_mipmaps() const override { return false; } // Tells the input where to fetch the actual pixel data. Note that if you change // this data, you must either call set_pixel_data() again (using the same pointer // is fine), or invalidate_pixel_data(). Otherwise, the texture won't be re-uploaded // on subsequent frames. // // The data can either be a regular pointer (if pbo==0), or a byte offset // into a PBO. The latter will allow you to start uploading the texture data // asynchronously to the GPU, if you have any CPU-intensive work between the // call to set_pixel_data() and the actual rendering. Also, since we upload // the data twice, using a PBO can save texture upload bandwidth. In either case, // the pointer (and PBO, if set) has to be valid at the time of the render call. void set_pixel_data(const unsigned char *pixel_data, GLuint pbo = 0) { this->pixel_data = pixel_data; this->pbo = pbo; invalidate_pixel_data(); } void invalidate_pixel_data(); void set_pitch(unsigned pitch) { assert(pitch % ycbcr_format.chroma_subsampling_x == 0); pitches[CHANNEL_LUMA] = pitch; pitches[CHANNEL_CHROMA] = pitch / ycbcr_format.chroma_subsampling_x; invalidate_pixel_data(); } void inform_added(EffectChain *chain) override { resource_pool = chain->get_resource_pool(); } bool set_int(const std::string& key, int value) override; private: ImageFormat image_format; YCbCrFormat ycbcr_format; GLuint pbo; // Luma texture is 0, chroma texture is 1. enum Channel { CHANNEL_LUMA, CHANNEL_CHROMA }; GLuint texture_num[2]; GLuint widths[2]; unsigned pitches[2]; unsigned width, height; const unsigned char *pixel_data; ResourcePool *resource_pool; GLint uniform_tex_y, uniform_tex_cbcr; }; } // namespace movit #endif // !defined(_MOVIT_YCBCR_422INTERLEAVED_INPUT_H) movit-1.7.1/lift_gamma_gain_effect.h0000644000175000017500000000341614462263704016503 0ustar sessesesse#ifndef _MOVIT_LIFT_GAMMA_GAIN_EFFECT_H #define _MOVIT_LIFT_GAMMA_GAIN_EFFECT_H 1 // A simple lift/gamma/gain effect, used for color grading. // // Very roughly speaking, lift=shadows, gamma=midtones and gain=highlights, // although all parameters affect the entire curve. Mathematically speaking, // it is a bit unusual to look at gamma as a color, but it works pretty well // in practice. // // The classic formula is: output = (gain * (x + lift * (1-x)))^(1/gamma). // // The lift is actually a case where we actually would _not_ want linear light; // since black by definition becomes equal to the lift color, we want lift to // be pretty close to black, but in linear light that means lift affects the // rest of the curve relatively little. Thus, we actually convert to gamma 2.2 // before lift, and then back again afterwards. (Gain and gamma are, // up to constants, commutative with the de-gamma operation.) // // Also, gamma is a case where we would not want premultiplied alpha. // Thus, we have to divide away alpha first, and then re-multiply it back later. #include #include #include "effect.h" namespace movit { class LiftGammaGainEffect : public Effect { public: LiftGammaGainEffect(); std::string effect_type_id() const override { return "LiftGammaGainEffect"; } AlphaHandling alpha_handling() const override { return INPUT_PREMULTIPLIED_ALPHA_KEEP_BLANK; } bool strong_one_to_one_sampling() const override { return true; } std::string output_fragment_shader() override; void set_gl_state(GLuint glsl_program_num, const std::string &prefix, unsigned *sampler_num) override; private: RGBTriplet lift, gamma, gain; RGBTriplet uniform_gain_pow_inv_gamma, uniform_inv_gamma22; }; } // namespace movit #endif // !defined(_MOVIT_LIFT_GAMMA_GAIN_EFFECT_H) movit-1.7.1/white_balance_effect.h0000644000175000017500000000202414462263704016164 0ustar sessesesse#ifndef _MOVIT_WHITE_BALANCE_EFFECT_H #define _MOVIT_WHITE_BALANCE_EFFECT_H 1 // Color correction in LMS color space. #include #include #include #include "effect.h" namespace movit { class WhiteBalanceEffect : public Effect { public: WhiteBalanceEffect(); std::string effect_type_id() const override { return "WhiteBalanceEffect"; } AlphaHandling alpha_handling() const override { return DONT_CARE_ALPHA_TYPE; } bool strong_one_to_one_sampling() const override { return true; } std::string output_fragment_shader() override; void set_gl_state(GLuint glsl_program_num, const std::string &prefix, unsigned *sampler_num) override; private: // The neutral color, in linear sRGB. RGBTriplet neutral_color; // Output color temperature (in Kelvins). // Choosing 6500 will lead to no color cast (ie., the neutral color becomes perfectly gray). float output_color_temperature; Eigen::Matrix3d uniform_correction_matrix; }; } // namespace movit #endif // !defined(_MOVIT_WHITE_BALANCE_EFFECT_H) movit-1.7.1/gamma_expansion_effect.h0000644000175000017500000000272614462263704016556 0ustar sessesesse#ifndef _MOVIT_GAMMA_EXPANSION_EFFECT_H #define _MOVIT_GAMMA_EXPANSION_EFFECT_H 1 // An effect to convert the given gamma curve into linear light, // typically inserted by the framework automatically at the beginning // of the processing chain. // // Currently supports sRGB, Rec. 601/709 and Rec. 2020 (10- and 12-bit). // Note that Movit's internal formats generally do not have enough accuracy // for 12-bit input or output. #include #include #include "effect.h" #include "image_format.h" namespace movit { class GammaExpansionEffect : public Effect { private: // Should not be instantiated by end users. GammaExpansionEffect(); friend class EffectChain; public: std::string effect_type_id() const override { return "GammaExpansionEffect"; } std::string output_fragment_shader() override; void set_gl_state(GLuint glsl_program_num, const std::string &prefix, unsigned *sampler_num) override; bool needs_linear_light() const override { return false; } bool needs_srgb_primaries() const override { return false; } bool strong_one_to_one_sampling() const override { return true; } // Actually processes its input in a nonlinear fashion, // but does not touch alpha, and we are a special case anyway. AlphaHandling alpha_handling() const override { return DONT_CARE_ALPHA_TYPE; } private: GammaCurve source_curve; float uniform_linear_scale, uniform_c[5], uniform_beta; }; } // namespace movit #endif // !defined(_MOVIT_GAMMA_EXPANSION_EFFECT_H) movit-1.7.1/gamma_compression_effect.h0000644000175000017500000000263314462263704017110 0ustar sessesesse#ifndef _MOVIT_GAMMA_COMPRESSION_EFFECT_H #define _MOVIT_GAMMA_COMPRESSION_EFFECT_H 1 // An effect to convert linear light to the given gamma curve, // typically inserted by the framework automatically at the end // of the processing chain. // // Currently supports sRGB, Rec. 601/709 and Rec. 2020 (10- and 12-bit). // Note that Movit's internal formats generally do not have enough accuracy // for 12-bit input or output. #include #include #include "effect.h" #include "image_format.h" namespace movit { class GammaCompressionEffect : public Effect { private: // Should not be instantiated by end users. GammaCompressionEffect(); friend class EffectChain; public: std::string effect_type_id() const override { return "GammaCompressionEffect"; } std::string output_fragment_shader() override; void set_gl_state(GLuint glsl_program_num, const std::string &prefix, unsigned *sampler_num) override; bool needs_srgb_primaries() const override { return false; } bool strong_one_to_one_sampling() const override { return true; } // Actually needs postmultiplied input as well as outputting it. // EffectChain will take care of that. AlphaHandling alpha_handling() const override { return OUTPUT_POSTMULTIPLIED_ALPHA; } private: GammaCurve destination_curve; float uniform_linear_scale, uniform_c[5], uniform_beta; }; } // namespace movit #endif // !defined(_MOVIT_GAMMA_COMPRESSION_EFFECT_H) movit-1.7.1/colorspace_conversion_effect.h0000644000175000017500000000246214462263704020004 0ustar sessesesse#ifndef _MOVIT_COLORSPACE_CONVERSION_EFFECT_H #define _MOVIT_COLORSPACE_CONVERSION_EFFECT_H 1 // An effect to convert between different color spaces. // Can convert freely between sRGB/Rec. 709 and the two different Rec. 601 // color spaces (which thankfully have the same white point). // // We don't do any fancy gamut mapping or similar; colors that are out-of-gamut // will simply stay out-of-gamut, and probably clip in the output stage. #include #include #include "effect.h" #include "image_format.h" namespace movit { class ColorspaceConversionEffect : public Effect { private: // Should not be instantiated by end users. ColorspaceConversionEffect(); friend class EffectChain; public: std::string effect_type_id() const override { return "ColorspaceConversionEffect"; } std::string output_fragment_shader() override; bool needs_srgb_primaries() const override { return false; } AlphaHandling alpha_handling() const override { return DONT_CARE_ALPHA_TYPE; } bool strong_one_to_one_sampling() const override { return true; } // Get a conversion matrix from the given color space to XYZ. static Eigen::Matrix3d get_xyz_matrix(Colorspace space); private: Colorspace source_space, destination_space; }; } // namespace movit #endif // !defined(_MOVIT_COLORSPACE_CONVERSION_EFFECT_H) movit-1.7.1/alpha_multiplication_effect.h0000644000175000017500000000113614462263704017604 0ustar sessesesse#ifndef _MOVIT_ALPHA_MULTIPLICATION_EFFECT_H #define _MOVIT_ALPHA_MULTIPLICATION_EFFECT_H 1 // Convert postmultiplied alpha to premultiplied alpha, simply by multiplying. #include #include "effect.h" namespace movit { class AlphaMultiplicationEffect : public Effect { public: AlphaMultiplicationEffect() {} std::string effect_type_id() const override { return "AlphaMultiplicationEffect"; } std::string output_fragment_shader() override; bool strong_one_to_one_sampling() const override { return true; } }; } // namespace movit #endif // !defined(_MOVIT_ALPHA_MULTIPLICATION_EFFECT_H) movit-1.7.1/alpha_division_effect.h0000644000175000017500000000106714462263704016376 0ustar sessesesse#ifndef _MOVIT_ALPHA_DIVISION_EFFECT_H #define _MOVIT_ALPHA_DIVISION_EFFECT_H 1 // Convert postmultiplied alpha to premultiplied alpha, simply by dividing. #include #include "effect.h" namespace movit { class AlphaDivisionEffect : public Effect { public: AlphaDivisionEffect() {} std::string effect_type_id() const override { return "AlphaDivisionEffect"; } std::string output_fragment_shader() override; bool strong_one_to_one_sampling() const override { return true; } }; } // namespace movit #endif // !defined(_MOVIT_ALPHA_DIVISION_EFFECT_H) movit-1.7.1/saturation_effect.h0000644000175000017500000000160314462263704015572 0ustar sessesesse#ifndef _MOVIT_SATURATION_EFFECT_H #define _MOVIT_SATURATION_EFFECT_H 1 // A simple desaturation/saturation effect. We use the Rec. 709 // definition of luminance (in linear light, of course) and linearly // interpolate between that (saturation=0) and the original signal // (saturation=1). Extrapolating that curve further (ie., saturation > 1) // gives us increased saturation if so desired. #include #include "effect.h" namespace movit { class SaturationEffect : public Effect { public: SaturationEffect(); std::string effect_type_id() const override { return "SaturationEffect"; } AlphaHandling alpha_handling() const override { return DONT_CARE_ALPHA_TYPE; } bool strong_one_to_one_sampling() const override { return true; } std::string output_fragment_shader() override; private: float saturation; }; } // namespace movit #endif // !defined(_MOVIT_SATURATION_EFFECT_H) movit-1.7.1/blur_effect.h0000644000175000017500000000663714462263704014361 0ustar sessesesse#ifndef _MOVIT_BLUR_EFFECT_H #define _MOVIT_BLUR_EFFECT_H 1 // A separable 2D blur implemented by a combination of mipmap filtering // and convolution (essentially giving a convolution with a piecewise linear // approximation to the true impulse response). // // Works in two passes; first horizontal, then vertical (BlurEffect, // which is what the user is intended to use, instantiates two copies of // SingleBlurPassEffect behind the scenes). // // The recommended number of taps is the default (16). Fewer will be faster // but uglier; a tradeoff that might be worth it as part of more complicated // effects. This can be set only before finalization, and must be an // even number. #include #include #include #include #include "effect.h" namespace movit { class EffectChain; class Node; class SingleBlurPassEffect; class BlurEffect : public Effect { public: BlurEffect(); std::string effect_type_id() const override { return "BlurEffect"; } void inform_input_size(unsigned input_num, unsigned width, unsigned height) override; std::string output_fragment_shader() override { assert(false); } void set_gl_state(GLuint glsl_program_num, const std::string &prefix, unsigned *sampler_num) override { assert(false); } void rewrite_graph(EffectChain *graph, Node *self) override; bool set_float(const std::string &key, float value) override; bool set_int(const std::string &key, int value) override; private: void update_radius(); int num_taps; float radius; SingleBlurPassEffect *hpass, *vpass; unsigned input_width, input_height; }; class SingleBlurPassEffect : public Effect { public: // If parent is non-nullptr, calls to inform_input_size will be forwarded // so that it can make reasonable decisions for both blur passes. SingleBlurPassEffect(BlurEffect *parent); virtual ~SingleBlurPassEffect(); std::string effect_type_id() const override { return "SingleBlurPassEffect"; } std::string output_fragment_shader() override; // We want this for the same reason as ResizeEffect; we could end up scaling // down quite a lot. bool needs_texture_bounce() const override { return true; } MipmapRequirements needs_mipmaps() const override { return NEEDS_MIPMAPS; } bool needs_srgb_primaries() const override { return false; } AlphaHandling alpha_handling() const override { return INPUT_PREMULTIPLIED_ALPHA_KEEP_BLANK; } void inform_input_size(unsigned input_num, unsigned width, unsigned height) override { if (parent != nullptr) { parent->inform_input_size(input_num, width, height); } } bool changes_output_size() const override { return true; } bool sets_virtual_output_size() const override { return true; } bool one_to_one_sampling() const override { return false; } // Can sample outside the border. void get_output_size(unsigned *width, unsigned *height, unsigned *virtual_width, unsigned *virtual_height) const override { *width = this->width; *height = this->height; *virtual_width = this->virtual_width; *virtual_height = this->virtual_height; } void set_gl_state(GLuint glsl_program_num, const std::string &prefix, unsigned *sampler_num) override; void clear_gl_state() override; enum Direction { HORIZONTAL = 0, VERTICAL = 1 }; private: BlurEffect *parent; int num_taps; float radius; Direction direction; int width, height, virtual_width, virtual_height; float *uniform_samples; }; } // namespace movit #endif // !defined(_MOVIT_BLUR_EFFECT_H) movit-1.7.1/diffusion_effect.h0000644000175000017500000000402314462263704015366 0ustar sessesesse#ifndef _MOVIT_DIFFUSION_EFFECT_H #define _MOVIT_DIFFUSION_EFFECT_H 1 // There are many different effects that go under the name of "diffusion", // seemingly all of the inspired by the effect you get when you put a // diffusion filter in front of your camera lens. The effect most people // want is a general flattening/smoothing of the light, and reduction of // fine detail (most notably, blemishes in people's skin), without ruining // edges, which a regular blur would do. // // We do a relatively simple version, sometimes known as "white diffusion", // where we first blur the picture, and then overlay it on the original // using the original as a matte. #include #include #include #include "effect.h" namespace movit { class BlurEffect; class EffectChain; class Node; class OverlayMatteEffect; class DiffusionEffect : public Effect { public: DiffusionEffect(); ~DiffusionEffect(); std::string effect_type_id() const override { return "DiffusionEffect"; } void rewrite_graph(EffectChain *graph, Node *self) override; bool set_float(const std::string &key, float value) override; std::string output_fragment_shader() override { assert(false); } void set_gl_state(GLuint glsl_program_num, const std::string &prefix, unsigned *sampler_num) override { assert(false); } private: BlurEffect *blur; OverlayMatteEffect *overlay_matte; bool owns_overlay_matte; }; // Used internally by DiffusionEffect; combines the blurred and the original // version using the original as a matte. class OverlayMatteEffect : public Effect { public: OverlayMatteEffect(); std::string effect_type_id() const override { return "OverlayMatteEffect"; } std::string output_fragment_shader() override; AlphaHandling alpha_handling() const override { return INPUT_PREMULTIPLIED_ALPHA_KEEP_BLANK; } unsigned num_inputs() const override { return 2; } bool strong_one_to_one_sampling() const override { return true; } private: float blurred_mix_amount; }; } // namespace movit #endif // !defined(_MOVIT_DIFFUSION_EFFECT_H) movit-1.7.1/glow_effect.h0000644000175000017500000000317514462263704014357 0ustar sessesesse#ifndef _MOVIT_GLOW_EFFECT_H #define _MOVIT_GLOW_EFFECT_H 1 // Glow: Cut out the highlights of the image (everything above a certain threshold), // blur them, and overlay them onto the original image. #include #include #include #include "effect.h" namespace movit { class BlurEffect; class EffectChain; class HighlightCutoffEffect; class MixEffect; class Node; class GlowEffect : public Effect { public: GlowEffect(); std::string effect_type_id() const override { return "GlowEffect"; } bool needs_srgb_primaries() const override { return false; } void rewrite_graph(EffectChain *graph, Node *self) override; bool set_float(const std::string &key, float value) override; std::string output_fragment_shader() override { assert(false); } void set_gl_state(GLuint glsl_program_num, const std::string &prefix, unsigned *sampler_num) override { assert(false); } private: BlurEffect *blur; HighlightCutoffEffect *cutoff; MixEffect *mix; }; // An effect that cuts out only the highlights of an image; // anything at the cutoff or below is set to 0.0, and then all other pixels // get the cutoff subtracted. Used only as part of GlowEffect. class HighlightCutoffEffect : public Effect { public: HighlightCutoffEffect(); std::string effect_type_id() const override { return "HighlightCutoffEffect"; } std::string output_fragment_shader() override; AlphaHandling alpha_handling() const override { return INPUT_PREMULTIPLIED_ALPHA_KEEP_BLANK; } bool strong_one_to_one_sampling() const override { return true; } private: float cutoff; }; } // namespace movit #endif // !defined(_MOVIT_GLOW_EFFECT_H) movit-1.7.1/unsharp_mask_effect.h0000644000175000017500000000251414462263704016076 0ustar sessesesse#ifndef _MOVIT_UNSHARP_MASK_EFFECT_H #define _MOVIT_UNSHARP_MASK_EFFECT_H 1 // Unsharp mask is probably the most popular way of doing sharpening today, // although it does not always deliver the best results (it is very prone // to haloing). It simply consists of removing a blurred copy of the image from // itself (multiplied by some strength factor). In this aspect, it's similar to // glow, except by subtracting instead of adding. // // See DeconvolutionSharpenEffect for a different, possibly better // sharpening algorithm. #include #include #include #include "effect.h" namespace movit { class BlurEffect; class EffectChain; class MixEffect; class Node; class UnsharpMaskEffect : public Effect { public: UnsharpMaskEffect(); std::string effect_type_id() const override { return "UnsharpMaskEffect"; } bool needs_srgb_primaries() const override { return false; } void rewrite_graph(EffectChain *graph, Node *self) override; bool set_float(const std::string &key, float value) override; std::string output_fragment_shader() override { assert(false); } void set_gl_state(GLuint glsl_program_num, const std::string &prefix, unsigned *sampler_num) override { assert(false); } private: BlurEffect *blur; MixEffect *mix; }; } // namespace movit #endif // !defined(_MOVIT_UNSHARP_MASK_EFFECT_H) movit-1.7.1/mix_effect.h0000644000175000017500000000170214462263704014176 0ustar sessesesse#ifndef _MOVIT_MIX_EFFECT_H #define _MOVIT_MIX_EFFECT_H 1 // Combine two images: a*x + b*y. If you set a within [0,1] and b=1-a, // you will get a fade; if not, you may get surprising results (consider alpha). #include #include "effect.h" namespace movit { class MixEffect : public Effect { public: MixEffect(); std::string effect_type_id() const override { return "MixEffect"; } std::string output_fragment_shader() override; bool needs_srgb_primaries() const override { return false; } unsigned num_inputs() const override { return 2; } bool strong_one_to_one_sampling() const override { return true; } // TODO: In the common case where a+b=1, it would be useful to be able to set // alpha_handling() to INPUT_PREMULTIPLIED_ALPHA_KEEP_BLANK. However, right now // we have no way of knowing that at instantiation time. private: float strength_first, strength_second; }; } // namespace movit #endif // !defined(_MOVIT_MIX_EFFECT_H) movit-1.7.1/overlay_effect.h0000644000175000017500000000274314462263704015070 0ustar sessesesse#ifndef _MOVIT_OVERLAY_EFFECT_H #define _MOVIT_OVERLAY_EFFECT_H 1 // Put one image on top of another, using alpha where appropriate. // (If both images are the same aspect and the top image has alpha=1.0 // for all pixels, you will not see anything of the one on the bottom.) // // This is the “over” operation from Porter-Duff blending, also used // when merging layers in e.g. GIMP or Photoshop. // // The first input is the bottom, and the second is the top. #include #include "effect.h" namespace movit { class OverlayEffect : public Effect { public: OverlayEffect(); std::string effect_type_id() const override { return "OverlayEffect"; } std::string output_fragment_shader() override; bool needs_srgb_primaries() const override { return false; } unsigned num_inputs() const override { return 2; } bool strong_one_to_one_sampling() const override { return true; } // Actually, if _either_ image has blank alpha, our output will have // blank alpha, too (this only tells the framework that having _both_ // images with blank alpha would result in blank alpha). // However, understanding that would require changes // to EffectChain, so postpone that optimization for later. AlphaHandling alpha_handling() const override { return INPUT_PREMULTIPLIED_ALPHA_KEEP_BLANK; } private: // If true, overlays input1 on top of input2 instead of vice versa. // Must be set before finalize. bool swap_inputs; }; } // namespace movit #endif // !defined(_MOVIT_OVERLAY_EFFECT_H) movit-1.7.1/padding_effect.h0000644000175000017500000000646714462263704015024 0ustar sessesesse#ifndef _MOVIT_PADDING_EFFECT_H #define _MOVIT_PADDING_EFFECT_H 1 // Takes an image and pads it to fit a larger image, or crops it to fit a smaller one // (although the latter is implemented slightly less efficiently, and you cannot both // pad and crop in the same effect). // // The source image is cut off at the texture border, and then given a user-specific color; // by default, full transparent. You can give a fractional border size (non-integral // "top" or "left" offset) if you wish, which will give you linear interpolation of // both pixel data of and the border. Furthermore, you can offset where the border falls // by using the "border_offset_{top,bottom,left,right}" settings; this is particularly // useful if you use ResampleEffect earlier in the chain for high-quality fractional-pixel // translation and just want PaddingEffect to get the border right. // // The border color is taken to be in linear gamma, sRGB, with premultiplied alpha. // You may not change it after calling finalize(), since that could change the // graph (need_linear_light() etc. depend on the border color you choose). // // IntegralPaddingEffect is like PaddingEffect, except that "top" and "left" parameters // are int parameters instead of float. This allows it to guarantee one-to-one sampling, // which can speed up processing by allowing more effect passes to be collapsed. // border_offset_* are still allowed to be float, although you should beware that if // you set e.g. border_offset_top to a negative value, you will be sampling outside // the edge and will read data that is undefined in one-to-one-mode (could be // edge repeat, could be something else). With regular PaddingEffect, such samples // are guaranteed to be edge repeat. #include #include #include "effect.h" namespace movit { class PaddingEffect : public Effect { public: PaddingEffect(); std::string effect_type_id() const override { return "PaddingEffect"; } std::string output_fragment_shader() override; void set_gl_state(GLuint glsl_program_num, const std::string &prefix, unsigned *sampler_num) override; bool needs_linear_light() const override; bool needs_srgb_primaries() const override; AlphaHandling alpha_handling() const override; bool changes_output_size() const override { return true; } bool sets_virtual_output_size() const override { return false; } void get_output_size(unsigned *width, unsigned *height, unsigned *virtual_width, unsigned *virtual_height) const override; void inform_input_size(unsigned input_num, unsigned width, unsigned height) override; private: RGBATuple border_color; int input_width, input_height; int output_width, output_height; float top, left; float border_offset_top, border_offset_left; float border_offset_bottom, border_offset_right; float uniform_offset[2], uniform_scale[2]; float uniform_normalized_coords_to_texels[2]; float uniform_offset_bottomleft[2], uniform_offset_topright[2]; }; class IntegralPaddingEffect : public PaddingEffect { public: IntegralPaddingEffect(); std::string effect_type_id() const override { return "IntegralPaddingEffect"; } bool one_to_one_sampling() const override { return true; } bool set_int(const std::string&, int value) override; bool set_float(const std::string &key, float value) override; }; } // namespace movit #endif // !defined(_MOVIT_PADDING_EFFECT_H) movit-1.7.1/resample_effect.h0000644000175000017500000001243014462263704015211 0ustar sessesesse#ifndef _MOVIT_RESAMPLE_EFFECT_H #define _MOVIT_RESAMPLE_EFFECT_H 1 // High-quality image resizing, either up or down. // // The default scaling offered by the GPU (and as used in ResizeEffect) // is bilinear (optionally mipmapped), which is not the highest-quality // choice, especially for upscaling. ResampleEffect offers the three-lobed // Lanczos kernel, which is among the most popular choices in image // processing. While it does have its weaknesses, in particular a certain // ringing/sharpening effect with artifacts that accumulate over several // consecutive resizings, it is generally regarded as the best tradeoff. // // Works in two passes; first horizontal, then vertical (ResampleEffect, // which is what the user is intended to use, instantiates two copies of // SingleResamplePassEffect behind the scenes). #include #include #include #include #include #include "effect.h" #include "fp16.h" namespace movit { class EffectChain; class Node; class SingleResamplePassEffect; // Public so that it can be benchmarked externally. template struct Tap { T weight; T pos; }; struct ScalingWeights { unsigned src_bilinear_samples; unsigned dst_samples, num_loops; // Exactly one of these is set. std::unique_ptr[]> bilinear_weights_fp16; std::unique_ptr[]> bilinear_weights_fp32; }; ScalingWeights calculate_bilinear_scaling_weights(unsigned src_size, unsigned dst_size, float zoom, float offset); // A simple manager for support data stored in a 2D texture. // Consider moving it to a shared location of more classes // should need similar functionality. class Support2DTexture { public: Support2DTexture(); ~Support2DTexture(); void update(GLint width, GLint height, GLenum internal_format, GLenum format, GLenum type, const GLvoid * data); GLint get_texnum() const { return texnum; } private: GLuint texnum = 0; GLint last_texture_width = -1, last_texture_height = -1; GLenum last_texture_internal_format = GL_INVALID_ENUM; }; class ResampleEffect : public Effect { public: ResampleEffect(); ~ResampleEffect(); std::string effect_type_id() const override { return "ResampleEffect"; } void inform_input_size(unsigned input_num, unsigned width, unsigned height) override; std::string output_fragment_shader() override { assert(false); } void set_gl_state(GLuint glsl_program_num, const std::string &prefix, unsigned *sampler_num) override { assert(false); } void rewrite_graph(EffectChain *graph, Node *self) override; bool set_float(const std::string &key, float value) override; private: void update_size(); void update_offset_and_zoom(); // Both of these are owned by us if owns_effects is true (before finalize()), // and otherwise owned by the EffectChain. std::unique_ptr hpass_owner, vpass_owner; SingleResamplePassEffect *hpass = nullptr, *vpass = nullptr; int input_width, input_height, output_width, output_height; float offset_x, offset_y; float zoom_x, zoom_y; float zoom_center_x, zoom_center_y; }; class SingleResamplePassEffect : public Effect { public: // If parent is non-nullptr, calls to inform_input_size will be forwarded, // so that it can inform both passes about the right input and output // resolutions. SingleResamplePassEffect(ResampleEffect *parent); ~SingleResamplePassEffect(); std::string effect_type_id() const override { return "SingleResamplePassEffect"; } std::string output_fragment_shader() override; bool needs_texture_bounce() const override { return true; } bool needs_srgb_primaries() const override { return false; } AlphaHandling alpha_handling() const override { return INPUT_PREMULTIPLIED_ALPHA_KEEP_BLANK; } // We specifically do not want mipmaps on the input texture; // they break minification. MipmapRequirements needs_mipmaps() const override { return CANNOT_ACCEPT_MIPMAPS; } void inform_added(EffectChain *chain) override { this->chain = chain; } void inform_input_size(unsigned input_num, unsigned width, unsigned height) override { if (parent != nullptr) { parent->inform_input_size(input_num, width, height); } } bool changes_output_size() const override { return true; } bool sets_virtual_output_size() const override { return false; } void get_output_size(unsigned *width, unsigned *height, unsigned *virtual_width, unsigned *virtual_height) const override { *virtual_width = *width = this->output_width; *virtual_height = *height = this->output_height; } void set_gl_state(GLuint glsl_program_num, const std::string &prefix, unsigned *sampler_num) override; enum Direction { HORIZONTAL = 0, VERTICAL = 1 }; private: void update_texture(GLuint glsl_program_num, const std::string &prefix, unsigned *sampler_num); ResampleEffect *parent; EffectChain *chain; Direction direction; GLint uniform_sample_tex; float uniform_num_loops, uniform_slice_height, uniform_sample_x_scale, uniform_sample_x_offset; float uniform_whole_pixel_offset; int uniform_num_samples; int input_width, input_height, output_width, output_height; float offset, zoom; int last_input_width, last_input_height, last_output_width, last_output_height; float last_offset, last_zoom; int src_bilinear_samples, num_loops; float slice_height; Support2DTexture tex; }; } // namespace movit #endif // !defined(_MOVIT_RESAMPLE_EFFECT_H) movit-1.7.1/dither_effect.h0000644000175000017500000000765514462263704014675 0ustar sessesesse#ifndef _MOVIT_DITHER_EFFECT_H #define _MOVIT_DITHER_EFFECT_H 1 // Implements simple rectangular-PDF dither. // // Although all of our processing internally is in floating-point (a mix of 16- // and 32-bit), eventually most pipelines will end up downconverting to a fixed-point // format, typically 8-bits unsigned integer (GL_RGBA8). // // The hardware will typically do proper rounding for us, so that we minimize // quantization noise, but for some applications, if you look closely, you can still // see some banding; 8 bits is not really all that much (and if we didn't have the // perceptual gamma curve, it would be a lot worse). // // The standard solution to this is dithering; in short, to add a small random component // to each pixel before quantization. This increases the overall noise floor slightly, // but allows us to represent frequency components with an amplitude lower than 1/256. // // My standard reference on dither is: // // Cameron Nicklaus Christou: “Optimal Dither and Noise Shaping in Image Processing” // http://uwspace.uwaterloo.ca/bitstream/10012/3867/1/thesis.pdf // // However, we need to make two significant deviations from the recommendations it makes. // First of all, it recommends using a triangular-PDF (TPDF) dither (which can be synthesized // effectively by adding two uniformly distributed random numbers) instead of rectangular-PDF // (RPDF; using one uniformly distributed random number), in order to make the second moment // of the error signal independent from the original image. However, since the recommended // TPDF must be twice as wide as the RPDF, it means it can go to +/- 1, which means that // some of the time, it will add enough noise to change a pixel just by itself. Given that // a very common use case for us is converting 8-bit -> 8-bit (ie., no bit reduction at all), // it would seem like a more important goal to have no noise in that situation than to // improve the dither further. // // Second, the thesis recommends noise shaping (also known as error diffusion in the image // processing world). This is, however, very hard to implement properly on a GPU, since it // almost by definition feeds the value of output pixels into the neighboring input pixels. // Maybe one could make a version that implemented the noise shapers by way of FIR filters // instead of IIR like this, but it would seem a lot of work for very subtle gain. // // We keep the dither noise fixed as long as the output resolution doesn't change; // this ensures we don't upset video codecs too much. (One could also dither in time, // like many LCD monitors do, but it starts to get very hairy, again, for limited gains.) // The dither is also deterministic across runs. #include #include #include "effect.h" namespace movit { class DitherEffect : public Effect { private: // Should not be instantiated by end users; // call EffectChain::set_dither_bits() instead. DitherEffect(); friend class EffectChain; public: ~DitherEffect(); std::string effect_type_id() const override { return "DitherEffect"; } std::string output_fragment_shader() override; // Note that if we did error diffusion, we'd actually want to diffuse the // premultiplied error. However, we need to do dithering in the same // space as quantization, whether that be pre- or postmultiply. AlphaHandling alpha_handling() const override { return DONT_CARE_ALPHA_TYPE; } bool strong_one_to_one_sampling() const override { return true; } void set_gl_state(GLuint glsl_program_num, const std::string &prefix, unsigned *sampler_num) override; private: void update_texture(GLuint glsl_program_num, const std::string &prefix, unsigned *sampler_num); int width, height, num_bits; int last_width, last_height, last_num_bits; int texture_width, texture_height; GLuint texnum; float uniform_round_fac, uniform_inv_round_fac; float uniform_tc_scale[2]; GLint uniform_dither_tex; }; } // namespace movit #endif // !defined(_MOVIT_DITHER_EFFECT_H) movit-1.7.1/deconvolution_sharpen_effect.h0000644000175000017500000000564214462263704020020 0ustar sessesesse#ifndef _MOVIT_DECONVOLUTION_SHARPEN_EFFECT_H #define _MOVIT_DECONVOLUTION_SHARPEN_EFFECT_H 1 // DeconvolutionSharpenEffect is an effect that sharpens by way of deconvolution // (i.e., trying to reverse the blur kernel, as opposed to just boosting high // frequencies), more specifically by FIR Wiener filters. It is the same // algorithm as used by the (now largely abandoned) Refocus plug-in for GIMP, // and I suspect the same as in Photoshop's “Smart Sharpen” filter. // The implementation is, however, distinct from either. // // The effect gives generally better results than unsharp masking, but can be very // GPU intensive, and requires a fair bit of tweaking to get good results without // ringing and/or excessive noise. It should be mentioned that for the larger // convolutions (e.g. R approaching 10), we should probably move to FFT-based // convolution algorithms, especially as Mesa's shader compiler starts having // problems compiling our shader. // // We follow the same book as Refocus was implemented from, namely // // Jain, Anil K.: “Fundamentals of Digital Image Processing”, Prentice Hall, 1988. #include #include #include #include "effect.h" namespace movit { class DeconvolutionSharpenEffect : public Effect { public: DeconvolutionSharpenEffect(); virtual ~DeconvolutionSharpenEffect(); std::string effect_type_id() const override { return "DeconvolutionSharpenEffect"; } std::string output_fragment_shader() override; // Samples a lot of times from its input. bool needs_texture_bounce() const override { return true; } void inform_input_size(unsigned input_num, unsigned width, unsigned height) override { this->width = width; this->height = height; } void set_gl_state(GLuint glsl_program_num, const std::string &prefix, unsigned *sampler_num) override; AlphaHandling alpha_handling() const override { return INPUT_PREMULTIPLIED_ALPHA_KEEP_BLANK; } private: // Input size. unsigned width, height; // The maximum radius of the (de)convolution kernel. // Note that since this extends both ways, and we also have a center element, // the actual convolution matrix will be (2R + 1) x (2R + 1). // // Must match the definition in the shader, and as such, cannot be set once // the chain has been finalized. int R; // The parameters. Typical OK values are circle_radius = 2, gaussian_radius = 0 // (ie., blur is assumed to be a 2px circle), correlation = 0.95, and noise = 0.01. // Note that once the radius starts going too far past R, you will get nonsensical results. float circle_radius, gaussian_radius, correlation, noise; // The deconvolution kernel, and the parameters last time we did an update. Eigen::MatrixXf g; int last_R; float last_circle_radius, last_gaussian_radius, last_correlation, last_noise; float *uniform_samples; void update_deconvolution_kernel(); }; } // namespace movit #endif // !defined(_MOVIT_DECONVOLUTION_SHARPEN_EFFECT_H) movit-1.7.1/fft_pass_effect.h0000644000175000017500000001242014462263704015205 0ustar sessesesse#ifndef _MOVIT_FFT_PASS_EFFECT_H #define _MOVIT_FFT_PASS_EFFECT_H 1 // One pass of a radix-2, in-order, decimation-in-time 1D FFT/IFFT. If you // connect multiple ones of these together, you will eventually have a complete // FFT or IFFT. The FFTed data is not so useful for video effects in itself, // but enables faster convolutions (especially non-separable 2D convolutions) // than can be done directly, by doing FFT -> multiply -> IFFT. The utilities // for doing this efficiently will probably be added to Movit at a later date; // for now, this effect isn't the most useful. // // An introduction to FFTs is outside the scope of a file-level comment; see // http://en.wikipedia.org/wiki/Cooley%E2%80%93Tukey_FFT_algorithm#The_radix-2_DIT_case . // // The pixels are not really interpreted as pixels, but are interpreted as two // complex numbers with (real,imaginary) parts stored in (R,G) and (B,A). // On top of this two-way parallelism, many FFTs are done in parallel (see below). // // Implementing a high-performance FFT on the GPU is not easy, especially // within the demands of Movit filters. (This is one of the places where // using CUDA or D3D would be easier, as both ship with pre-made and highly // tuned FFTs.) We don't go to great lengths to get an optimal implementation, // but rather stay with someting simple. I'll conveniently enough refer to // my own report on this topic from 2007, namely // // Steinar H. Gunderson: “GPUwave: An implementation of the split-step // Fourier method for the GPU”, http://gpuwave.sesse.net/gpuwave.pdf // // Chapter 5 contains the details of the FFT. We follow this rather closely, // with the exception that in Movit, we only ever draw a single quad, // so the strategy used in GPUwave with drawing multiple quads with constant // twiddle factors on them will not be in use here. (It requires some // benchmarking to find the optimal crossover point anyway.) // // Also, we support doing many FFTs along the same axis, so e.g. if you // have a 128x128 image and ask for a horizontal FFT of size 64, you will // actually get 256 of them (two wide, 128 high). This is in contrast with // GPUwave, which only supports them one wide; in a picture setting, // moving blocks around to create only one block wide FFTs would rapidly // lead to way too slender textures to be practical (e.g., 1280x720 // with an FFT of size 64 would be 64x14400 rearranged, and many GPUs // have limits of 8192 pixels or even 2048 along one dimension). // // Note that this effect produces an _unnormalized_ FFT, which means that a // FFT -> IFFT chain will end up not returning the original data (even modulo // precision errors) but rather the original data with each element multiplied // by N, the FFT size. As the FFT and IFFT contribute equally to this energy // gain, it is recommended that you do the division by N after the FFT but // before the IFFT. This way, you use the least range possible (for one // scaling), and as fp16 has quite limited range at times, this can be relevant // on some GPUs for larger sizes. #include #include #include #include #include "effect.h" namespace movit { class FFTPassEffect : public Effect { public: FFTPassEffect(); ~FFTPassEffect(); std::string effect_type_id() const override { char buf[256]; if (inverse) { snprintf(buf, sizeof(buf), "IFFTPassEffect[%d]", (1 << pass_number)); } else { snprintf(buf, sizeof(buf), "FFTPassEffect[%d]", (1 << pass_number)); } return buf; } std::string output_fragment_shader() override; void set_gl_state(GLuint glsl_program_num, const std::string &prefix, unsigned *sampler_num) override; // We don't actually change the output size, but this flag makes sure // that no other effect is chained after us. This is important since // we cannot deliver filtered results; any attempt at sampling in-between // pixels would necessarily give garbage. In addition, we set our sampling // mode to GL_NEAREST, which other effects are not ready for; so, the // combination of these two flags guarantee that we're run entirely alone // in our own phase, which is exactly what we want. bool needs_texture_bounce() const override { return true; } bool changes_output_size() const override { return true; } bool sets_virtual_output_size() const override { return false; } void inform_input_size(unsigned input_num, unsigned width, unsigned height) override { assert(input_num == 0); input_width = width; input_height = height; } void get_output_size(unsigned *width, unsigned *height, unsigned *virtual_width, unsigned *virtual_height) const override { *width = *virtual_width = input_width; *height = *virtual_height = input_height; } void inform_added(EffectChain *chain) override { this->chain = chain; } enum Direction { INVALID = -1, HORIZONTAL = 0, VERTICAL = 1 }; private: void generate_support_texture(); EffectChain *chain; int input_width, input_height; GLuint tex; float uniform_num_repeats; GLint uniform_support_tex; int fft_size; Direction direction; int pass_number; // From 1..n. int inverse; // 0 = forward (FFT), 1 = reverse (IFFT). int last_fft_size; Direction last_direction; int last_pass_number; int last_inverse; int last_input_size; }; } // namespace movit #endif // !defined(_MOVIT_FFT_PASS_EFFECT_H) movit-1.7.1/vignette_effect.h0000644000175000017500000000211014462263704015220 0ustar sessesesse#ifndef _MOVIT_VIGNETTE_EFFECT_H #define _MOVIT_VIGNETTE_EFFECT_H 1 // A circular vignette, falling off as cos² of the distance from the center // (the classic formula for approximating a real lens). #include #include #include "effect.h" namespace movit { class VignetteEffect : public Effect { public: VignetteEffect(); std::string effect_type_id() const override { return "VignetteEffect"; } std::string output_fragment_shader() override; bool needs_srgb_primaries() const override { return false; } AlphaHandling alpha_handling() const override { return DONT_CARE_ALPHA_TYPE; } bool strong_one_to_one_sampling() const override { return true; } void inform_input_size(unsigned input_num, unsigned width, unsigned height) override; void set_gl_state(GLuint glsl_program_num, const std::string &prefix, unsigned *sampler_num) override; private: Point2D center; Point2D uniform_aspect_correction, uniform_flipped_center; float radius, inner_radius; float uniform_pihalf_div_radius; }; } // namespace movit #endif // !defined(_MOVIT_VIGNETTE_EFFECT_H) movit-1.7.1/slice_effect.h0000644000175000017500000000337714462263704014512 0ustar sessesesse#ifndef _MOVIT_SLICE_EFFECT_H #define _MOVIT_SLICE_EFFECT_H 1 // SliceEffect takes an image, cuts it into (potentially overlapping) slices, // and puts those slices back together again consecutively. It is primarily // useful in an overlap-discard setting, where it can do both the overlap and // discard roles, where one does convolutions by means of many small FFTs, but // could also work as a (relatively boring) video effect on its own. // // Note that vertical slices happen from the top, consistent with the rest of // Movit. #include #include #include "effect.h" namespace movit { class SliceEffect : public Effect { public: SliceEffect(); std::string effect_type_id() const override { return "SliceEffect"; } std::string output_fragment_shader() override; bool needs_texture_bounce() const override { return true; } bool changes_output_size() const override { return true; } bool sets_virtual_output_size() const override { return false; } void inform_input_size(unsigned input_num, unsigned width, unsigned height) override; void get_output_size(unsigned *width, unsigned *height, unsigned *virtual_width, unsigned *virtual_height) const override; void set_gl_state(GLuint glsl_program_num, const std::string &prefix, unsigned *sampler_num) override; void inform_added(EffectChain *chain) override { this->chain = chain; } enum Direction { HORIZONTAL = 0, VERTICAL = 1 }; private: EffectChain *chain; int input_width, input_height; int input_slice_size, output_slice_size; int offset; Direction direction; float uniform_output_coord_to_slice_num, uniform_slice_num_to_input_coord; float uniform_slice_offset_to_input_coord, uniform_offset; }; } // namespace movit #endif // !defined(_MOVIT_SLICE_EFFECT_H) movit-1.7.1/complex_modulate_effect.h0000644000175000017500000000505114462263704016743 0ustar sessesesse#ifndef _MOVIT_COMPLEX_MODULATE_EFFECT_H #define _MOVIT_COMPLEX_MODULATE_EFFECT_H 1 // An effect that treats each pixel as two complex numbers (xy and zw), // and multiplies it with some other complex number (xy and xy, so the // same in both cases). The latter can be repeated both horizontally and // vertically if desired. // // The typical use is to implement convolution by way of FFT; since // FFT(A ⊙ B) = FFT(A) * FFT(B), you can FFT both inputs (where B // would often even be a constant, so you'd only need to do FFT once), // multiply them together and then IFFT the result to get a convolution. // // It is in a sense “wrong” to do this directly on pixels, since the color // channels are independent and real-valued (ie., not complex numbers), but // since convolution is a linear operation, it's unproblematic to treat R + Gi // as a single complex number and B + Ai and another one; barring numerical // errors, there should be no leakage between the channels as long as you're // convolving with a real quantity. (There are more sophisticated ways of doing // two real FFTs with a single complex one, but we won't need them, as we // don't care about the actual FFT result, just that the convolution property // holds.) #include #include #include "effect.h" namespace movit { class EffectChain; class ComplexModulateEffect : public Effect { public: ComplexModulateEffect(); std::string effect_type_id() const override { return "ComplexModulateEffect"; } std::string output_fragment_shader() override; // Technically we only need texture bounce for the second input // (to be allowed to mess with its sampler state), but there's // no way of expressing that currently. bool needs_texture_bounce() const override { return true; } bool changes_output_size() const override { return true; } bool sets_virtual_output_size() const override { return false; } void inform_input_size(unsigned input_num, unsigned width, unsigned height) override; void get_output_size(unsigned *width, unsigned *height, unsigned *virtual_width, unsigned *virtual_height) const override; unsigned num_inputs() const override { return 2; } void inform_added(EffectChain *chain) override { this->chain = chain; } void set_gl_state(GLuint glsl_program_num, const std::string &prefix, unsigned *sampler_num) override; private: EffectChain *chain; int primary_input_width, primary_input_height; int num_repeats_x, num_repeats_y; float uniform_num_repeats[2]; }; } // namespace movit #endif // !defined(_MOVIT_COMPLEX_MODULATE_EFFECT_H) movit-1.7.1/luma_mix_effect.h0000644000175000017500000000262714462263704015223 0ustar sessesesse#ifndef _MOVIT_LUMA_MIX_EFFECT_H #define _MOVIT_LUMA_MIX_EFFECT_H 1 // Fade between two images based on a third monochrome one; lighter pixels // will be faded before darker pixels (unless the inverse flag is set, // in which case darker pixels will be faded before lighter pixels). // This allows a wide range of different video wipes implemented using // a single effect. // // Note that despite the name, the third input's _red_ channel is what's used // for transitions; there is no luma calculation done. If you need that, // put a SaturationEffect in front to desaturate (which calculates luma). #include #include "effect.h" namespace movit { class LumaMixEffect : public Effect { public: LumaMixEffect(); std::string effect_type_id() const override { return "LumaMixEffect"; } std::string output_fragment_shader() override; void set_gl_state(GLuint glsl_program_num, const std::string &prefix, unsigned *sampler_num) override; bool needs_srgb_primaries() const override { return false; } unsigned num_inputs() const override { return 3; } bool strong_one_to_one_sampling() const override { return true; } AlphaHandling alpha_handling() const override { return INPUT_PREMULTIPLIED_ALPHA_KEEP_BLANK; } private: float transition_width, progress; int inverse; // 0 or 1. bool uniform_inverse; float uniform_progress_mul_w_plus_one; }; } // namespace movit #endif // !defined(_MOVIT_MIX_EFFECT_H) movit-1.7.1/fft_convolution_effect.h0000644000175000017500000001274414462263704016627 0ustar sessesesse#ifndef _MOVIT_FFT_CONVOLUTION_EFFECT_H #define _MOVIT_FFT_CONVOLUTION_EFFECT_H 1 // FFTConvolutionEffect applies an arbitrary 2D convolution between the input image // and a convolution kernel (assumed to be much smaller than the image). // It does this convolution using multiple smaller FFTs and an algorithm called // overlap-discard (also known as overlap-save) to achieve much higher // efficiency than direct evaluation of the convolution, at some expense of // accuracy. // // FFTConvolutionEffect follows the usual convention for convolution, which is that // you sample from the origin pixel, and then up and to the left from that. This means // that (in horizontal 1D) [1 0 0 0 0 ...] would be an identity transform, and that // [0 1 0 0 0 ...] would mean sampling one pixel to the left of the origin, which // effectively move would move the image one pixel to the right. // // The basic idea of the acceleration comes from the the convolution theorem // (which holds in any number of dimensions), namely that FFT(A ⊙ B) = // FFT(A) * FFT(B), where ⊙ is circular convolution and * is pointwise // multiplication. This means that A ⊙ B = IFFT(FFT(A) * FFT(B)), and since // we can do a 2D FFT in O(n² log n), this is asymptotically better than // direct convolution, which is O(n²m²) (where m is the size of the convolution // kernel). However, the convolution theorem is rarely _directly_ applicable, // for two reasons: // // - ⊙ is _circular_ convolution, which means that inputs are taken to // repeat (wrap around), which is rarely what you want. // - A and B must be the same size, which means that to convolve a 1280x720 // kernel with a 64x64 kernel, you need to zero pad the 64x64 kernel and // then do _two_ full 1280x720 FFTs (one for each of A and B). // // The first problem is solved by adding m-1 zero pixels (horizontally // and vertically) as padding, and then discarding the result of those pixels. // This causes the output to be identical to a non-circular convolution. // // The second is slightly more tricky, and there are multiple ways of solving // it. The one that appears to be the most suitable to suitable for GPU use, // and the one that is used here, is overlap-discard (more commonly but less // precisely known as overlap-save). In overlap-discard, the input is broken // up into multiple equally-sized slices which are then FFTed and convolved // with the kernel individually. (The kernel must still be zero padded to the // same size as the slice, but this is typically much smaller then the full // picture.) As before, the pad area contains data that's essentially junk, // which is thrown away when the slices are put together again. // // The optimal slice size is a tradeoff. More slices means more space wasted // for padding, since the padding is the same no matter the slice size, // but fewer slices means we need to do larger FFTs (although fewer of them). // There's no exact closed formula for this, especially since the 2D case // makes things a bit more tricky with ordering of the X versus Y passes, // so we simply try all possible sizes and orderings, attempting to estimate // roughly how much each operation will cost. The result isn't perfect, though; // FFTW has a mode for actually measuring, which they claim improves speeds // by ~2x over simple estimation, but they also have much more freedom in // their execution model than we do. // // The output _size_ of a convolution can be defined in a couple of different // ways; in a sense, what's the most reasonable is using only the central part // of the result (the mode “valid” in MATLAB/Octave), since that is the only // one not used by any edge pixels. (FFTConvolutionEffect assumes normal Movit // edge pixel behavior, which is to repeat the outermost pixels.) You could also // keep all the output pixels (“full” in MATLAB/Octave), which is nicely symmetric. // However, for video processing, typically what you want is to have the _same_ // output size as input size, so we crop to the input size. This means that // you'll get some of the edge-affected pixels but not all, but it's usually // an okay tradeoff. // // FFTConvolutionEffect does not do any actual pixel work by itself; it // rewrites itself into a long chain of SliceEffect, FFTPassEffect, FFTInput // and ComplexModulationEffect to do its bidding. Note that currently, due to // Movit limitations, we need to know the number of FFT passes at finalize() // time, which in turn means you cannot change image or kernel size on the fly. #include #include #include #include "effect.h" #include "fft_input.h" namespace movit { class PaddingEffect; class FFTConvolutionEffect : public Effect { public: FFTConvolutionEffect(int input_width, int input_height, int convolve_width, int convolve_height); ~FFTConvolutionEffect(); std::string effect_type_id() const override { return "FFTConvolutionEffect"; } std::string output_fragment_shader() override { assert(false); } void rewrite_graph(EffectChain *graph, Node *self) override; // See FFTInput::set_pixel_data(). void set_convolution_kernel(const float *pixel_data) { assert(fft_input); fft_input->set_pixel_data(pixel_data); } private: int input_width, input_height; int convolve_width, convolve_height; // Both of these are owned by us if owns_effects is true (before finalize()), // and otherwise owned by the EffectChain. FFTInput *fft_input; PaddingEffect *crop_effect; bool owns_effects; }; } // namespace movit #endif // !defined(_MOVIT_FFT_CONVOLUTION_EFFECT_H) movit-1.7.1/ycbcr_conversion_effect.h0000644000175000017500000000277314462263704016761 0ustar sessesesse#ifndef _MOVIT_YCBCR_CONVERSION_EFFECT_H #define _MOVIT_YCBCR_CONVERSION_EFFECT_H 1 // Converts from R'G'B' to Y'CbCr; that is, more or less the opposite of YCbCrInput, // except that it keeps the data as 4:4:4 chunked Y'CbCr; you'll need to subsample // and/or convert to planar somehow else. #include #include #include #include "effect.h" #include "ycbcr.h" namespace movit { class YCbCrConversionEffect : public Effect { private: // Should not be instantiated by end users; // call EffectChain::add_ycbcr_output() instead. YCbCrConversionEffect(const YCbCrFormat &ycbcr_format, GLenum type); friend class EffectChain; public: std::string effect_type_id() const override { return "YCbCrConversionEffect"; } std::string output_fragment_shader() override; void set_gl_state(GLuint glsl_program_num, const std::string &prefix, unsigned *sampler_num) override; AlphaHandling alpha_handling() const override { return DONT_CARE_ALPHA_TYPE; } bool strong_one_to_one_sampling() const override { return true; } // Should not be called by end users; call // EffectChain::change_ycbcr_output_format() instead. void change_output_format(const YCbCrFormat &ycbcr_format) { this->ycbcr_format = ycbcr_format; } private: YCbCrFormat ycbcr_format; GLenum type; Eigen::Matrix3d uniform_ycbcr_matrix; float uniform_offset[3]; bool uniform_clamp_range; float uniform_ycbcr_min[3], uniform_ycbcr_max[3]; }; } // namespace movit #endif // !defined(_MOVIT_YCBCR_CONVERSION_EFFECT_H) movit-1.7.1/deinterlace_effect.h0000644000175000017500000001726114462263704015667 0ustar sessesesse#ifndef _MOVIT_DEINTERLACE_EFFECT_H #define _MOVIT_DEINTERLACE_EFFECT_H 1 // YADIF deinterlacing filter (original by Michael Niedermayer, in MPlayer). // // Good deinterlacing is very hard. YADIF, despite its innocious-sounding // name (Yet Another DeInterlacing Filter) is probably the most commonly // used (non-trivial) deinterlacing filter in the open-source world. // It works by trying to fill in the missing lines from neighboring ones // (spatial interpolation), and then constrains that estimate within an // interval found from previous and next frames (temporal interpolation). // It's not very fast, even in GPU implementation, but 1080i60 -> 1080p60 // realtime conversion is well within range for a mid-range GPU. // // The inner workings of YADIF are poorly documented; implementation details // are generally explained the .frag file. However, a few things should be // mentioned here: YADIF has two modes, with and without a “spatial interlacing // check” which basically allows more temporal change in areas of high detail. // (The variant with the check corresponds to the original's modes 0 and 1, and // the variant without to modes 2 and 3. The remaining difference is whether it // is frame-doubling or not, which in Movit is up to the driver, not the // filter.) // // Neither mode is perfect by any means. If the spatial check is off, the // filter possesses the potentially nice quality that a static picture // deinterlaces exactly to itself. (If it's on, there's some flickering // on very fine vertical detail. The picture is nice and stable if no such // detail is present, though.) But then, certain patterns, like horizontally // scrolling text, leaves residues. Both have issues with diagonal lines at // certain angles leaving stray pixels, although in practical applications, // YADIF is pretty good. // // In general, having the spatial check on (the default) is the safe choice. // However, if you are reasonably certain that the image comes from a video source // (ie., no graphical overlays), or if the case of still images is particularly // important for you (e.g., slides from a laptop), you could turn it off. // It is slightly faster, although in practice, it does not mean all that much. // You need to decide before finalize(), as the choice gets compiled into the shader. // // YADIF needs five fields as input; the previous two, the current one, and // then the two next ones. (By convention, they come in that order, although if // you reverse them, it doesn't matter, as the filter is symmetric. It _does_ // matter if you change the ordering in any other way, though.) They need to be // of the same resolution, or the effect will assert-fail. If you cannot supply // this, you could simply reuse the current field for previous/next as // required; it won't be optimal in any way, but it also won't blow up on you. // // This requirement to “see the future” will mean you have an extra full frame // of delay (33.3 ms at 60i, 40 ms at 50i). You will also need to tell the // filter for each and every invocation if the current field (ie., the one in // the middle input) is a top or bottom field (neighboring fields have opposite // parity, so all the others are implicit). #include #include #include #include "effect.h" namespace movit { class DeinterlaceComputeEffect; class DeinterlaceEffect : public Effect { public: DeinterlaceEffect(); std::string effect_type_id() const override { return "DeinterlaceEffect"; } std::string output_fragment_shader() override; // Replaces itself with DeinterlaceComputeEffect if compute shaders are supported. // Otherwise, does nothing. void rewrite_graph(EffectChain *graph, Node *self) override; bool set_int(const std::string &key, int value) override; void set_gl_state(GLuint glsl_program_num, const std::string &prefix, unsigned *sampler_num) override; // First = before previous, second = previous, third = current, // fourth = next, fifth = after next. These are treated symmetrically, // though. // // Note that if you have interlaced _frames_ and not _fields_, you will // need to pull them apart first, for instance with SliceEffect. unsigned num_inputs() const override { return 5; } bool needs_texture_bounce() const override { return true; } bool changes_output_size() const override { return true; } AlphaHandling alpha_handling() const override { return INPUT_PREMULTIPLIED_ALPHA_KEEP_BLANK; } void inform_input_size(unsigned input_num, unsigned width, unsigned height) override; void get_output_size(unsigned *width, unsigned *height, unsigned *virtual_width, unsigned *virtual_height) const override; enum FieldPosition { TOP = 0, BOTTOM = 1 }; private: // If compute shaders are supported, contains the actual effect. // If not, nullptr. std::unique_ptr compute_effect_owner; DeinterlaceComputeEffect *compute_effect = nullptr; unsigned widths[5], heights[5]; // See file-level comment for explanation of this option. bool enable_spatial_interlacing_check; // Which field the current input (the middle one) is. FieldPosition current_field_position; // Offset for one pixel in the horizontal direction (1/width). float inv_width; // Vertical resolution of the output. float num_lines; // All of these offsets are vertical texel offsets; they are needed to adjust // for the changed texel center as the number of lines double, and depend on // . // For sampling unchanged lines from the current field. float self_offset; // For evaluating the low-pass filter (in the current field). Four taps. float current_offset[2]; // For evaluating the high-pass filter (in the previous and next fields). // Five taps, but evaluated twice since there are two fields. float other_offset[3]; }; // A compute shader implementation of DeinterlaceEffect. It saves a bunch of loads // since it can share them between neighboring pixels (and also does not need // texture bounce), so it has the potential to be faster, although exactly how // much depends on your chain and other factors. DeinterlaceEffect will // automatically become a proxy to DeinterlaceComputeEffect if your system // supports compute shaders. class DeinterlaceComputeEffect : public Effect { public: DeinterlaceComputeEffect(); std::string effect_type_id() const override { return "DeinterlaceComputeEffect"; } std::string output_fragment_shader() override; void set_gl_state(GLuint glsl_program_num, const std::string &prefix, unsigned *sampler_num) override; unsigned num_inputs() const override { return 5; } bool changes_output_size() const override { return true; } bool is_compute_shader() const override { return true; } void get_compute_dimensions(unsigned output_width, unsigned output_height, unsigned *x, unsigned *y, unsigned *z) const override; AlphaHandling alpha_handling() const override { return INPUT_PREMULTIPLIED_ALPHA_KEEP_BLANK; } void inform_input_size(unsigned input_num, unsigned width, unsigned height) override; void get_output_size(unsigned *width, unsigned *height, unsigned *virtual_width, unsigned *virtual_height) const override; enum FieldPosition { TOP = 0, BOTTOM = 1 }; private: unsigned widths[5], heights[5]; // See file-level comment for explanation of this option. bool enable_spatial_interlacing_check; // Which field the current input (the middle one) is. FieldPosition current_field_position; // Offset for one pixel in the horizontal and verticla direction (1/width, 1/height). float inv_width, inv_height; // For evaluating the low-pass filter (in the current field). Four taps. float current_field_vertical_offset; }; } // namespace movit #endif // !defined(_MOVIT_DEINTERLACE_EFFECT_H) movit-1.7.1/sandbox_effect.h0000644000175000017500000000155614462263704015046 0ustar sessesesse#ifndef _MOVIT_SANDBOX_EFFECT_H #define _MOVIT_SANDBOX_EFFECT_H 1 // This effect, by default, does nothing. // // But imagine all the cool things you can make it do! Thus, the SandboxEffect // is intended to be a sandbox for you to have a place to write your test or // throwaway code. When you're happy, you can do a bit of search and replace // to give it a proper name and its own place in the build system. #include #include #include "effect.h" namespace movit { class SandboxEffect : public Effect { public: SandboxEffect(); std::string effect_type_id() const override { return "SandboxEffect"; } std::string output_fragment_shader() override; void set_gl_state(GLuint glsl_program_num, const std::string &prefix, unsigned *sampler_num) override; private: float parm; }; } // namespace movit #endif // !defined(_MOVIT_SANDBOX_EFFECT_H) movit-1.7.1/mirror_effect.h0000644000175000017500000000124214462263704014712 0ustar sessesesse#ifndef _MOVIT_MIRROR_EFFECT_H #define _MOVIT_MIRROR_EFFECT_H 1 // A simple horizontal mirroring. #include #include "effect.h" namespace movit { class MirrorEffect : public Effect { public: MirrorEffect(); std::string effect_type_id() const override { return "MirrorEffect"; } std::string output_fragment_shader() override; bool needs_linear_light() const override { return false; } bool needs_srgb_primaries() const override { return false; } AlphaHandling alpha_handling() const override { return DONT_CARE_ALPHA_TYPE; } bool one_to_one_sampling() const override { return true; } }; } // namespace movit #endif // !defined(_MOVIT_MIRROR_EFFECT_H) movit-1.7.1/resize_effect.h0000644000175000017500000000221614462263704014703 0ustar sessesesse#ifndef _MOVIT_RESIZE_EFFECT_H #define _MOVIT_RESIZE_EFFECT_H 1 // An effect that simply resizes the picture to a given output size // (set by the two integer parameters "width" and "height"). // Mostly useful as part of other algorithms. #include #include "effect.h" namespace movit { class ResizeEffect : public Effect { public: ResizeEffect(); std::string effect_type_id() const override { return "ResizeEffect"; } std::string output_fragment_shader() override; // We want processing done pre-filtering and mipmapped, // in case we need to scale down a lot. bool needs_texture_bounce() const override { return true; } MipmapRequirements needs_mipmaps() const override { return NEEDS_MIPMAPS; } AlphaHandling alpha_handling() const override { return INPUT_PREMULTIPLIED_ALPHA_KEEP_BLANK; } bool changes_output_size() const override { return true; } bool sets_virtual_output_size() const override { return false; } void get_output_size(unsigned *width, unsigned *height, unsigned *virtual_width, unsigned *virtual_height) const override; private: int width, height; }; } // namespace movit #endif // !defined(_MOVIT_RESIZE_EFFECT_H) movit-1.7.1/multiply_effect.h0000644000175000017500000000141214462263704015256 0ustar sessesesse#ifndef _MOVIT_MULTIPLY_EFFECT_H #define _MOVIT_MULTIPLY_EFFECT_H 1 // An effect that multiplies every pixel by a constant (separate for each of // R, G, B, A). A common use would be to reduce the alpha of an overlay before // sending it through OverlayEffect, e.g. with R=G=B=A=0.3 to get 30% alpha // (remember, alpha is premultiplied). #include #include #include "effect.h" namespace movit { class MultiplyEffect : public Effect { public: MultiplyEffect(); std::string effect_type_id() const override { return "MultiplyEffect"; } std::string output_fragment_shader() override; bool strong_one_to_one_sampling() const override { return true; } private: RGBATuple factor; }; } // namespace movit #endif // !defined(_MOVIT_MULTIPLY_EFFECT_H) movit-1.7.1/fft_input.h0000644000175000017500000000543414462263704014071 0ustar sessesesse#ifndef _MOVIT_FFT_INPUT_H #define _MOVIT_FFT_INPUT_H 1 // FFTInput is used by FFTConvolutionEffect to send in the FFTed version of a // mostly static, one-channel data set, typically the convolution kernel // with some zero padding. // // Since the kernel is typically small and unlikely to change often, // it will be faster to FFT it once on the CPU (using the excellent FFTW3 // library) and keep it in a texture, rather than FFT-ing it over and over on // the GPU. (We do not currently support caching Movit intermediates between // frames.) As an extra bonus, we can then do it in double precision and round // precisely to fp16 afterwards. // // This class is tested as part of by FFTConvolutionEffectTest. #include #include #include #include "effect.h" #include "effect_chain.h" #include "image_format.h" #include "input.h" namespace movit { class ResourcePool; class FFTInput : public Input { public: FFTInput(unsigned width, unsigned height); ~FFTInput(); std::string effect_type_id() const override { return "FFTInput"; } std::string output_fragment_shader() override; // FFTs the data and uploads the texture if it has changed since last time. void set_gl_state(GLuint glsl_program_num, const std::string& prefix, unsigned *sampler_num) override; unsigned get_width() const override { return fft_width; } unsigned get_height() const override { return fft_height; } // Strictly speaking, FFT data doesn't have any colorspace or gamma; // these values are the Movit standards for “do nothing”. Colorspace get_color_space() const override { return COLORSPACE_sRGB; } GammaCurve get_gamma_curve() const override { return GAMMA_LINEAR; } AlphaHandling alpha_handling() const override { return INPUT_AND_OUTPUT_PREMULTIPLIED_ALPHA; } bool is_single_texture() const override { return true; } bool can_output_linear_gamma() const override { return true; } bool can_supply_mipmaps() const override { return false; } // Tells the input where to fetch the actual pixel data. Note that if you change // this data, you must either call set_pixel_data() again (using the same pointer // is fine), or invalidate_pixel_data(). Otherwise, the FFT won't be recalculated, // and the texture won't be re-uploaded on subsequent frames. void set_pixel_data(const float *pixel_data) { this->pixel_data = pixel_data; invalidate_pixel_data(); } void invalidate_pixel_data(); void inform_added(EffectChain *chain) override { resource_pool = chain->get_resource_pool(); } bool set_int(const std::string& key, int value) override; private: GLuint texture_num; int fft_width, fft_height; unsigned convolve_width, convolve_height; const float *pixel_data; ResourcePool *resource_pool; GLint uniform_tex; }; } // namespace movit #endif // !defined(_MOVIT_FFT_INPUT_H) movit-1.7.1/vs.vert0000644000175000017500000000107714462263704013253 0ustar sessesesseattribute vec2 position; attribute vec2 texcoord; varying vec2 tc; // Will be overridden by compile_glsl_program() if needed. // (It cannot just be prepended, as #version must be before everything.) #define FLIP_ORIGIN 0 void main() { // The result of glOrtho(0.0, 1.0, 0.0, 1.0, 0.0, 1.0) is: // // 2.000 0.000 0.000 -1.000 // 0.000 2.000 0.000 -1.000 // 0.000 0.000 -2.000 -1.000 // 0.000 0.000 0.000 1.000 gl_Position = vec4(2.0 * position.x - 1.0, 2.0 * position.y - 1.0, -1.0, 1.0); tc = texcoord; #if FLIP_ORIGIN tc.y = 1.0f - tc.y; #endif } movit-1.7.1/vs.130.vert0000644000175000017500000000107314462263704013551 0ustar sessesesse#version 130 in vec2 position; in vec2 texcoord; out vec2 tc; // Will be overridden by compile_glsl_program() if needed. // (It cannot just be prepended, as #version must be before everything.) #define FLIP_ORIGIN 0 void main() { // The result of glOrtho(0.0, 1.0, 0.0, 1.0, 0.0, 1.0) is: // // 2.000 0.000 0.000 -1.000 // 0.000 2.000 0.000 -1.000 // 0.000 0.000 -2.000 -1.000 // 0.000 0.000 0.000 1.000 gl_Position = vec4(2.0 * position.x - 1.0, 2.0 * position.y - 1.0, -1.0, 1.0); tc = texcoord; #if FLIP_ORIGIN tc.y = 1.0f - tc.y; #endif } movit-1.7.1/vs.150.vert0000644000175000017500000000107314462263704013553 0ustar sessesesse#version 150 in vec2 position; in vec2 texcoord; out vec2 tc; // Will be overridden by compile_glsl_program() if needed. // (It cannot just be prepended, as #version must be before everything.) #define FLIP_ORIGIN 0 void main() { // The result of glOrtho(0.0, 1.0, 0.0, 1.0, 0.0, 1.0) is: // // 2.000 0.000 0.000 -1.000 // 0.000 2.000 0.000 -1.000 // 0.000 0.000 -2.000 -1.000 // 0.000 0.000 0.000 1.000 gl_Position = vec4(2.0 * position.x - 1.0, 2.0 * position.y - 1.0, -1.0, 1.0); tc = texcoord; #if FLIP_ORIGIN tc.y = 1.0f - tc.y; #endif } movit-1.7.1/vs.300es.vert0000644000175000017500000000112614462263704014077 0ustar sessesesse#version 300 es precision highp float; in vec2 position; in vec2 texcoord; out vec2 tc; // Will be overridden by compile_glsl_program() if needed. // (It cannot just be prepended, as #version must be before everything.) #define FLIP_ORIGIN 0 void main() { // The result of glOrtho(0.0, 1.0, 0.0, 1.0, 0.0, 1.0) is: // // 2.000 0.000 0.000 -1.000 // 0.000 2.000 0.000 -1.000 // 0.000 0.000 -2.000 -1.000 // 0.000 0.000 0.000 1.000 gl_Position = vec4(2.0 * position.x - 1.0, 2.0 * position.y - 1.0, -1.0, 1.0); tc = texcoord; #if FLIP_ORIGIN tc.y = 1.0f - tc.y; #endif } movit-1.7.1/header.130.frag0000644000175000017500000000013614462263704014307 0ustar sessesesse#version 130 in vec2 tc; vec4 tex2D(sampler2D s, vec2 coord) { return texture(s, coord); } movit-1.7.1/header.150.frag0000644000175000017500000000013614462263704014311 0ustar sessesesse#version 150 in vec2 tc; vec4 tex2D(sampler2D s, vec2 coord) { return texture(s, coord); } movit-1.7.1/header.300es.frag0000644000175000017500000000017114462263704014635 0ustar sessesesse#version 300 es precision highp float; in vec2 tc; vec4 tex2D(sampler2D s, vec2 coord) { return texture(s, coord); } movit-1.7.1/header.comp0000644000175000017500000000115114462263704014022 0ustar sessesesse#version 150 #extension GL_ARB_compute_shader : enable #extension GL_ARB_shader_image_load_store : enable #extension GL_ARB_shader_image_size : enable // The texture the compute shader is writing to. uniform restrict writeonly image2D tex_outbuf; // Defined in footer.comp. vec4 tex2D(sampler2D s, vec2 coord); void cs_output(uvec2 coord, vec4 val); void cs_output(ivec2 coord, vec4 val); // Used if there are any steps used to postprocess compute shader output. // Initialized due to https://bugs.freedesktop.org/show_bug.cgi?id=103895. vec4 CS_OUTPUT_VAL = vec4(0.0); #define OUTPUT(tc, val) cs_output(tc, val) movit-1.7.1/footer.frag0000644000175000017500000000364014462263704014056 0ustar sessesesse// GLSL is pickier than the C++ preprocessor in if-testing for undefined // tokens; do some fixups here to keep it happy. #ifndef YCBCR_OUTPUT_PLANAR #define YCBCR_OUTPUT_PLANAR 0 #endif #ifndef YCBCR_OUTPUT_SPLIT_Y_AND_CBCR #define YCBCR_OUTPUT_SPLIT_Y_AND_CBCR 0 #endif #ifndef SECOND_YCBCR_OUTPUT_PLANAR #define SECOND_YCBCR_OUTPUT_PLANAR 0 #endif #ifndef SECOND_YCBCR_OUTPUT_SPLIT_Y_AND_CBCR #define SECOND_YCBCR_OUTPUT_SPLIT_Y_AND_CBCR 0 #endif #ifndef SECOND_YCBCR_OUTPUT_INTERLEAVED #define SECOND_YCBCR_OUTPUT_INTERLEAVED 0 #endif #ifndef YCBCR_ALSO_OUTPUT_RGBA #define YCBCR_ALSO_OUTPUT_RGBA 0 #endif #ifndef SQUARE_ROOT_TRANSFORMATION #define SQUARE_ROOT_TRANSFORMATION 0 #endif #if YCBCR_OUTPUT_PLANAR out vec4 Y, Cb, Cr; #elif YCBCR_OUTPUT_SPLIT_Y_AND_CBCR out vec4 Y, Chroma; #else out vec4 FragColor; // Y'CbCr or RGBA. #endif #if SECOND_YCBCR_OUTPUT_PLANAR out vec4 Y2, Cb2, Cr2; #elif SECOND_YCBCR_OUTPUT_SPLIT_Y_AND_CBCR out vec4 Y2, Chroma2; #elif SECOND_YCBCR_OUTPUT_INTERLEAVED out vec4 YCbCr2; #endif #if YCBCR_ALSO_OUTPUT_RGBA out vec4 RGBA; #endif void main() { #if YCBCR_ALSO_OUTPUT_RGBA vec4 color[2] = INPUT(tc); vec4 color0 = color[0]; vec4 color1 = color[1]; #else vec4 color0 = INPUT(tc); #endif #if SQUARE_ROOT_TRANSFORMATION // Make sure we don't give negative values to sqrt. color0.rgb = sqrt(max(color0.rgb, 0.0)); #endif #if YCBCR_OUTPUT_PLANAR Y = color0.rrra; Cb = color0.ggga; Cr = color0.bbba; #elif YCBCR_OUTPUT_SPLIT_Y_AND_CBCR Y = color0.rrra; Chroma = color0.gbba; #else FragColor = color0; #endif // Exactly the same, just with other outputs. // (GLSL does not allow arrays of outputs.) #if SECOND_YCBCR_OUTPUT_PLANAR Y2 = color0.rrra; Cb2 = color0.ggga; Cr2 = color0.bbba; #elif SECOND_YCBCR_OUTPUT_SPLIT_Y_AND_CBCR Y2 = color0.rrra; Chroma2 = color0.gbba; #elif SECOND_YCBCR_OUTPUT_INTERLEAVED YCbCr2 = color0; #endif #if YCBCR_ALSO_OUTPUT_RGBA RGBA = color1; #endif } movit-1.7.1/identity.frag0000644000175000017500000000015314462263704014405 0ustar sessesesse// Identity transformation (sometimes useful to do nothing). vec4 FUNCNAME(vec2 tc) { return INPUT(tc); } movit-1.7.1/footer.comp0000644000175000017500000000203214462263704014067 0ustar sessesesse// GLSL is pickier than the C++ preprocessor in if-testing for undefined // tokens; do some fixups here to keep it happy. #ifndef SQUARE_ROOT_TRANSFORMATION #define SQUARE_ROOT_TRANSFORMATION 0 #endif #ifndef FLIP_ORIGIN #define FLIP_ORIGIN 0 #endif void main() { INPUT(); } vec4 tex2D(sampler2D s, vec2 coord) { return texture(s, coord); } void cs_output(uvec2 coord, vec4 val) { cs_output(ivec2(coord), val); } void cs_output(ivec2 coord, vec4 val) { // Run the value through any postprocessing steps we might have. // Note that we need to give in the actual coordinates, since the // effect could have multiple (non-compute) inputs, and would also // be allowed to make effects based on the texture coordinate alone. CS_OUTPUT_VAL = val; val = CS_POSTPROC(NORMALIZE_TEXTURE_COORDS(coord)); #if SQUARE_ROOT_TRANSFORMATION // Make sure we don't give negative values to sqrt. val.rgb = sqrt(max(val.rgb, 0.0)); #endif #if FLIP_ORIGIN coord.y = imageSize(tex_outbuf).y - coord.y - 1; #endif imageStore(tex_outbuf, coord, val); } movit-1.7.1/texture1d.130.frag0000644000175000017500000000023214462263704015001 0ustar sessesesse#version 130 uniform sampler2D tex; in vec2 tc; out vec4 FragColor; void main() { FragColor = texture(tex, tc); // Second component is irrelevant. } movit-1.7.1/texture1d.150.frag0000644000175000017500000000023214462263704015003 0ustar sessesesse#version 150 uniform sampler2D tex; in vec2 tc; out vec4 FragColor; void main() { FragColor = texture(tex, tc); // Second component is irrelevant. } movit-1.7.1/texture1d.300es.frag0000644000175000017500000000026514462263704015336 0ustar sessesesse#version 300 es precision highp float; uniform sampler2D tex; in vec2 tc; out vec4 FragColor; void main() { FragColor = texture(tex, tc); // Second component is irrelevant. } movit-1.7.1/flat_input.frag0000644000175000017500000000103014462263704014714 0ustar sessesesse// Implicit uniforms: // uniform sampler2D PREFIX(tex); vec4 FUNCNAME(vec2 tc) { // OpenGL's origin is bottom-left, but most graphics software assumes // a top-left origin. Thus, for inputs that come from the user, // we flip the y coordinate. tc.y = 1.0 - tc.y; vec4 pixel = tex2D(PREFIX(tex), tc); // These two are #defined to 0 or 1 in flat_input.cpp. #if FIXUP_SWAP_RB pixel.rb = pixel.br; #endif #if FIXUP_RED_TO_GRAYSCALE pixel.gb = pixel.rr; #endif return pixel; } #undef FIXUP_SWAP_RB #undef FIXUP_RED_TO_GRAYSCALE movit-1.7.1/ycbcr_input.frag0000644000175000017500000000235614462263704015104 0ustar sessesesse// Implicit uniforms: // uniform sampler2D PREFIX(tex_y); // uniform sampler2D PREFIX(tex_cbcr); // If CB_CR_SAME_TEXTURE. // uniform sampler2D PREFIX(tex_cb); // If not CB_CR_SAME_TEXTURE. // uniform sampler2D PREFIX(tex_cr); // If not CB_CR_SAME_TEXTURE. // uniform mat3 PREFIX(ycbcr_matrix); // uniform vec3 PREFIX(offset); // uniform vec2 PREFIX(cb_offset); // uniform vec2 PREFIX(cr_offset); vec4 FUNCNAME(vec2 tc) { // OpenGL's origin is bottom-left, but most graphics software assumes // a top-left origin. Thus, for inputs that come from the user, // we flip the y coordinate. tc.y = 1.0 - tc.y; vec3 ycbcr; #if Y_CB_CR_SAME_TEXTURE ycbcr = tex2D(PREFIX(tex_y), tc).xyz; #else ycbcr.x = tex2D(PREFIX(tex_y), tc).x; #if CB_CR_SAME_TEXTURE #if CB_CR_OFFSETS_EQUAL ycbcr.yz = tex2D(PREFIX(tex_cbcr), tc + PREFIX(cb_offset)).xy; #else ycbcr.y = tex2D(PREFIX(tex_cbcr), tc + PREFIX(cb_offset)).x; ycbcr.z = tex2D(PREFIX(tex_cbcr), tc + PREFIX(cr_offset)).x; #endif #else ycbcr.y = tex2D(PREFIX(tex_cb), tc + PREFIX(cb_offset)).x; ycbcr.z = tex2D(PREFIX(tex_cr), tc + PREFIX(cr_offset)).x; #endif #endif ycbcr -= PREFIX(offset); vec4 rgba; rgba.rgb = PREFIX(inv_ycbcr_matrix) * ycbcr; rgba.a = 1.0; return rgba; } movit-1.7.1/ycbcr_422interleaved_input.frag0000644000175000017500000000145514462263704017715 0ustar sessesesse// Implicit uniforms: // uniform sampler2D PREFIX(tex_y); // uniform sampler2D PREFIX(tex_cbcr); vec4 FUNCNAME(vec2 tc) { // OpenGL's origin is bottom-left, but most graphics software assumes // a top-left origin. Thus, for inputs that come from the user, // we flip the y coordinate. tc.y = 1.0 - tc.y; vec3 ycbcr; ycbcr.x = tex2D(PREFIX(tex_y), tc).y; #if CB_CR_OFFSETS_EQUAL vec2 tc_cbcr = tc; tc_cbcr.x += PREFIX(cb_offset_x); ycbcr.yz = tex2D(PREFIX(tex_cbcr), tc_cbcr).xz; #else vec2 tc_cb = tc; tc_cb.x += PREFIX(cb_offset_x); ycbcr.y = tex2D(PREFIX(tex_cbcr), tc_cb).x; vec2 tc_cr = tc; tc_cr.x += PREFIX(cr_offset_x); ycbcr.z = tex2D(PREFIX(tex_cbcr), tc_cr).z; #endif ycbcr -= PREFIX(offset); vec4 rgba; rgba.rgb = PREFIX(inv_ycbcr_matrix) * ycbcr; rgba.a = 1.0; return rgba; } movit-1.7.1/lift_gamma_gain_effect.frag0000644000175000017500000000117014462263704017166 0ustar sessesesse// Implicit uniforms: // // These are calculated in the host code to save some arithmetic. // uniform vec3 PREFIX(gain_pow_inv_gamma); // gain^(1/gamma). // uniform vec3 PREFIX(inv_gamma_22); // 2.2 / gamma. vec4 FUNCNAME(vec2 tc) { vec4 x = INPUT(tc); x.rgb /= x.aaa; // pow() of negative numbers is undefined, so clip out-of-gamut values. x.rgb = max(x.rgb, 0.0); x.rgb = pow(x.rgb, vec3(1.0/2.2)); x.rgb += PREFIX(lift) * (vec3(1) - x.rgb); // Clip out-of-gamut values again. x.rgb = max(x.rgb, 0.0); x.rgb = pow(x.rgb, PREFIX(inv_gamma_22)); x.rgb *= PREFIX(gain_pow_inv_gamma); x.rgb *= x.aaa; return x; } movit-1.7.1/white_balance_effect.frag0000644000175000017500000000026114462263704016655 0ustar sessesesse// Implicit uniforms: // uniform mat3 PREFIX(correction_matrix); vec4 FUNCNAME(vec2 tc) { vec4 ret = INPUT(tc); ret.rgb = PREFIX(correction_matrix) * ret.rgb; return ret; } movit-1.7.1/gamma_expansion_effect.frag0000644000175000017500000000103614462263704017237 0ustar sessesesse// Expand gamma curve. // Implicit uniforms: // uniform float PREFIX(linear_scale); // uniform float PREFIX(c)[5]; // uniform float PREFIX(beta); vec4 FUNCNAME(vec2 tc) { vec4 x = INPUT(tc); vec3 a = x.rgb * PREFIX(linear_scale); // Fourth-order polynomial approximation to pow(). See the .cpp file for details. vec3 b = PREFIX(c[0]) + (PREFIX(c[1]) + (PREFIX(c[2]) + (PREFIX(c[3]) + PREFIX(c[4]) * x.rgb) * x.rgb) * x.rgb) * x.rgb; vec3 f = vec3(greaterThan(x.rgb, vec3(PREFIX(beta)))); x = vec4(mix(a, b, f), x.a); return x; } movit-1.7.1/gamma_compression_effect.frag0000644000175000017500000000134214462263704017574 0ustar sessesesse// Compress gamma curve. // Implicit uniforms: // uniform float PREFIX(linear_scale); // uniform float PREFIX(c)[5]; // uniform float PREFIX(beta); vec4 FUNCNAME(vec2 tc) { vec4 x = INPUT(tc); // We could reasonably get values outside (0.0, 1.0), but the formulas below // are not valid outside that range, so clamp before we do anything else. x.rgb = clamp(x.rgb, 0.0, 1.0); vec3 a = x.rgb * PREFIX(linear_scale); // Fourth-order polynomial approximation to pow(). See the .cpp file for details. vec3 s = sqrt(x.rgb); vec3 b = PREFIX(c)[0] + (PREFIX(c)[1] + (PREFIX(c)[2] + (PREFIX(c)[3] + PREFIX(c)[4] * s) * s) * s) * s; vec3 f = vec3(greaterThan(x.rgb, vec3(PREFIX(beta)))); x = vec4(mix(a, b, f), x.a); return x; } movit-1.7.1/colorspace_conversion_effect.frag0000644000175000017500000000036614462263704020475 0ustar sessesesse// Colorspace conversion (needs to be done in linear space). // The matrix is computed on the host and baked into the shader at compile time. vec4 FUNCNAME(vec2 tc) { vec4 x = INPUT(tc); x.rgb = PREFIX(conversion_matrix) * x.rgb; return x; } movit-1.7.1/alpha_multiplication_effect.frag0000644000175000017500000000011514462263704020270 0ustar sessesessevec4 FUNCNAME(vec2 tc) { vec4 x = INPUT(tc); x.rgb *= x.aaa; return x; } movit-1.7.1/alpha_division_effect.frag0000644000175000017500000000040614462263704017062 0ustar sessesesse// Note: Division by zero will give inf or nan, whose conversion to // integer types is implementation-defined. However, anything is fine for // alpha=0, since that's undefined anyway. vec4 FUNCNAME(vec2 tc) { vec4 x = INPUT(tc); x.rgb /= x.aaa; return x; } movit-1.7.1/saturation_effect.frag0000644000175000017500000000033714462263704016265 0ustar sessesesse// Saturate/desaturate (in linear space). vec4 FUNCNAME(vec2 tc) { vec4 x = INPUT(tc); float luminance = dot(x.rgb, vec3(0.2126, 0.7152, 0.0722)); x.rgb = mix(vec3(luminance), x.rgb, PREFIX(saturation)); return x; } movit-1.7.1/blur_effect.frag0000644000175000017500000000122514462263704015035 0ustar sessesesse// A simple un.directional blur. // DIRECTION_VERTICAL will be #defined to 1 if we are doing a vertical blur, // 0 otherwise. // Implicit uniforms: // uniform vec2 PREFIX(samples)[NUM_TAPS / 2 + 1]; vec4 FUNCNAME(vec2 tc) { vec4 sum = vec4(PREFIX(samples)[0].y) * INPUT(tc); for (int i = 1; i < NUM_TAPS / 2 + 1; ++i) { vec2 sample = PREFIX(samples)[i]; vec2 sample1_tc = tc, sample2_tc = tc; #if DIRECTION_VERTICAL sample1_tc.y -= sample.x; sample2_tc.y += sample.x; #else sample1_tc.x -= sample.x; sample2_tc.x += sample.x; #endif sum += vec4(sample.y) * (INPUT(sample1_tc) + INPUT(sample2_tc)); } return sum; } #undef DIRECTION_VERTICAL movit-1.7.1/mix_effect.frag0000644000175000017500000000335414462263704014673 0ustar sessesessevec4 FUNCNAME(vec2 tc) { vec4 first = INPUT1(tc); vec4 second = INPUT2(tc); vec4 result = vec4(PREFIX(strength_first)) * first + vec4(PREFIX(strength_second)) * second; // Clamping alpha at some stage, either here or in AlphaDivisionEffect, // is actually very important for some use cases. Consider, for instance, // the case where we have additive blending (strength_first = strength_second = 1), // and add two 50% gray 100% opaque (0.5, 0.5, 0.5, 1.0) pixels. Without // alpha clamping, we'd get (1.0, 1.0, 1.0, 2.0), which would then in // conversion to postmultiplied be divided back to (0.5, 0.5, 0.5)! // Clamping alpha to 1.0 fixes the problem, and we get the expected result // of (1.0, 1.0, 1.0). Similarly, adding (0.5, 0.5, 0.5, 0.5) to itself // yields (1.0, 1.0, 1.0, 1.0) (100% white 100% opaque), which makes sense. // // The classic way of doing additive blending with premultiplied alpha // is to give the additive component alpha=0, but this also doesn't make // sense in a world where we could end up postmultiplied; just consider // the case where we have first=(0, 0, 0, 0) (ie., completely transparent) // and second=(0.5, 0.5, 0.5, 0.5) (ie., white at 50% opacity). // Zeroing out the alpha of second would yield (0.5, 0.5, 0.5, 0.0), // which has undefined RGB values in postmultiplied storage; certainly // e.g. (0, 0, 0, 0) would not be an expected output. Also, it would // break the expectation that A+B = B+A. // // Note that we do _not_ clamp RGB, since it might be useful to have // out-of-gamut colors. We could choose to do the alpha clamping in // AlphaDivisionEffect instead, though; I haven't thought a lot about // if that would be better or not. result.a = clamp(result.a, 0.0, 1.0); return result; } movit-1.7.1/overlay_effect.frag0000644000175000017500000000164114462263704015554 0ustar sessesesse// It's actually (but surprisingly) not correct to do a mix() here; // it would be if we had postmultiplied alpha and didn't have to worry // about alpha in the bottom layer, but given that we use premultiplied // alpha all over, top shouldn't actually be multiplied by anything. // // These formulas come from Wikipedia: // // http://en.wikipedia.org/wiki/Alpha_compositing // // We use the associative version given. However, note that since we want // _output_ to be premultiplied, C_o from Wikipedia is not what we want, // but rather c_o (which is not explicitly given, but obviously is just // C_o without the division by alpha_o). vec4 FUNCNAME(vec2 tc) { // SWAP_INPUTS will be #defined to 1 if we want to swap the two inputs, #if SWAP_INPUTS vec4 bottom = INPUT2(tc); vec4 top = INPUT1(tc); #else vec4 bottom = INPUT1(tc); vec4 top = INPUT2(tc); #endif return top + (1.0 - top.a) * bottom; } #undef SWAP_INPUTS movit-1.7.1/padding_effect.frag0000644000175000017500000000151314462263704015477 0ustar sessesesse// Implicit uniforms: // uniform vec2 PREFIX(offset); // uniform vec2 PREFIX(scale); // // uniform vec2 PREFIX(normalized_coords_to_texels); // uniform vec2 PREFIX(offset_bottomleft); // uniform vec2 PREFIX(offset_topright); vec4 FUNCNAME(vec2 tc) { tc -= PREFIX(offset); tc *= PREFIX(scale); vec2 tc_texels = tc * PREFIX(normalized_coords_to_texels); vec2 coverage_bottomleft = clamp(tc_texels + PREFIX(offset_bottomleft), 0.0f, 1.0f); vec2 coverage_topright = clamp(PREFIX(offset_topright) - tc_texels, 0.0f, 1.0f); vec2 coverage_both = coverage_bottomleft * coverage_topright; float coverage = coverage_both.x * coverage_both.y; if (coverage <= 0.0f) { // Short-circuit in case the underlying function is expensive to call. return PREFIX(border_color); } else { return mix(PREFIX(border_color), INPUT(tc), coverage); } } movit-1.7.1/resample_effect.frag0000644000175000017500000000457514462263704015714 0ustar sessesesse// DIRECTION_VERTICAL will be #defined to 1 if we are scaling vertically, // and 0 otherwise. // Implicit uniforms: // uniform sampler2D PREFIX(sample_tex); // uniform int PREFIX(num_samples); // uniform float PREFIX(num_loops); // uniform float PREFIX(sample_x_scale); // uniform float PREFIX(sample_x_offset); // uniform float PREFIX(slice_height); // We put the fractional part of the offset (-0.5 to 0.5 pixels) in the weights // because we have to (otherwise they'd do nothing). However, the support texture // has limited numerical precision; we'd need as much of it as we can for // getting the subpixel sampling right, and adding a large constant to each value // will reduce the precision further. Thus, the non-fractional part of the offset // is sent in through a uniform that we simply add in. (It should be said that // for high values of (dst_size/num_loop), we're pretty much hosed anyway wrt. // this accuracy.) // // Unfortunately, we cannot just do it at the beginning of the shader, // since the texcoord value is used to index into the support texture, // and if zoom != 1, the support texture will not wrap properly, causing // us to read the wrong texels. (Also remember that whole_pixel_offset is // measured in _input_ pixels and tc is in _output_ pixels, although we could // compensate for that.) However, the shader should be mostly bandwidth bound // and not ALU bound, so an extra add per sample shouldn't be too hopeless. // // Implicitly declared: // uniform float PREFIX(whole_pixel_offset); // Sample a single weight. First fetch information about where to sample // and the weight from sample_tex, and then read the pixel itself. vec4 PREFIX(do_sample)(vec2 tc, int i) { vec2 sample_tc; sample_tc.x = float(i) * PREFIX(sample_x_scale) + PREFIX(sample_x_offset); #if DIRECTION_VERTICAL sample_tc.y = tc.y * PREFIX(num_loops); #else sample_tc.y = tc.x * PREFIX(num_loops); #endif vec2 sample = tex2D(PREFIX(sample_tex), sample_tc).rg; #if DIRECTION_VERTICAL tc.y = sample.g + (floor(sample_tc.y) * PREFIX(slice_height) + PREFIX(whole_pixel_offset)); #else tc.x = sample.g + (floor(sample_tc.y) * PREFIX(slice_height) + PREFIX(whole_pixel_offset)); #endif return vec4(sample.r) * INPUT(tc); } vec4 FUNCNAME(vec2 tc) { vec4 sum = PREFIX(do_sample)(tc, 0); for (int i = 1; i < PREFIX(num_samples); ++i) { sum += PREFIX(do_sample)(tc, i); } return sum; } #undef DIRECTION_VERTICAL movit-1.7.1/dither_effect.frag0000644000175000017500000000303114462263704015345 0ustar sessesesse// Implicit uniforms: // uniform sampler2D PREFIX(dither_tex); // uniform vec2 PREFIX(tc_scale); // uniform float PREFIX(round_fac), PREFIX(inv_round_fac); // See footer.frag for details about this if statement. #ifndef YCBCR_ALSO_OUTPUT_RGBA #define YCBCR_ALSO_OUTPUT_RGBA 0 #endif #if YCBCR_ALSO_OUTPUT_RGBA // There are two values to dither; otherwise, exactly the same as the algorithm below // (so comments are not duplicated). vec4[2] FUNCNAME(vec2 tc) { vec4[2] result = INPUT(tc); float d = tex2D(PREFIX(dither_tex), tc * PREFIX(tc_scale)).x; result[0].rgb += vec3(d); result[1].rgb += vec3(d); #if NEED_EXPLICIT_ROUND result[0] = round(result[0] * vec4(PREFIX(round_fac))) * vec4(PREFIX(inv_round_fac)); result[1] = round(result[1] * vec4(PREFIX(round_fac))) * vec4(PREFIX(inv_round_fac)); #endif return result; } #else vec4 FUNCNAME(vec2 tc) { vec4 result = INPUT(tc); float d = tex2D(PREFIX(dither_tex), tc * PREFIX(tc_scale)).x; // Don't dither alpha; the case of alpha=255 (1.0) is very important to us, // and if there's any inaccuracy earlier in the chain so that it becomes e.g. // 254.8, it's better to just get it rounded off than to dither and have it // possibly get down to 254. This is not the case for the color components. result.rgb += vec3(d); // NEED_EXPLICIT_ROUND will be #defined to 1 if the GPU has inaccurate // fp32 -> int8 framebuffer rounding, and 0 otherwise. #if NEED_EXPLICIT_ROUND result = round(result * vec4(PREFIX(round_fac))) * vec4(PREFIX(inv_round_fac)); #endif return result; } #endif movit-1.7.1/deconvolution_sharpen_effect.frag0000644000175000017500000000266114462263704020506 0ustar sessesesse// Implicit uniforms: // uniform vec4 PREFIX(samples)[(R + 1) * (R + 1)]; vec4 FUNCNAME(vec2 tc) { // The full matrix has five different symmetry cases, that look like this: // // D D D C D D D // D D D C D D D // D D D C D D D // B B B A B B B // D D D C D D D // D D D C D D D // D D D C D D D // // We only store the lower-right part of the matrix: // // A B B B // C D D D // C D D D // C D D D // Case A: Top-left sample has no symmetry. vec4 sum = PREFIX(samples)[0].z * INPUT(tc); // Case B: Uppermost samples have left/right symmetry. for (int x = 1; x <= R; ++x) { vec4 sample = PREFIX(samples)[x]; sum += sample.z * (INPUT(tc - sample.xy) + INPUT(tc + sample.xy)); } // Case C: Leftmost samples have top/bottom symmetry. for (int y = 1; y <= R; ++y) { vec4 sample = PREFIX(samples)[y * (R + 1)]; sum += sample.z * (INPUT(tc - sample.xy) + INPUT(tc + sample.xy)); } // Case D: All other samples have four-way symmetry. // (Actually we have eight-way, but since we are using normalized // coordinates, we can't just flip x and y.) for (int y = 1; y <= R; ++y) { for (int x = 1; x <= R; ++x) { vec4 sample = PREFIX(samples)[y * (R + 1) + x]; vec2 mirror_sample = vec2(sample.x, -sample.y); vec4 local_sum = INPUT(tc - sample.xy) + INPUT(tc + sample.xy); local_sum += INPUT(tc - mirror_sample.xy) + INPUT(tc + mirror_sample.xy); sum += sample.z * local_sum; } } return sum; } #undef R movit-1.7.1/fft_pass_effect.frag0000644000175000017500000000167014462263704015702 0ustar sessesesse// DIRECTION_VERTICAL will be #defined to 1 if we are doing a vertical FFT, // and 0 otherwise. // Implicit uniforms: // uniform float PREFIX(num_repeats); // uniform sampler2D PREFIX(support_tex); vec4 FUNCNAME(vec2 tc) { #if DIRECTION_VERTICAL vec4 support = tex2D(PREFIX(support_tex), vec2(tc.y * PREFIX(num_repeats), 0.0)); vec4 c1 = INPUT(vec2(tc.x, tc.y + support.x)); vec4 c2 = INPUT(vec2(tc.x, tc.y + support.y)); #else vec4 support = tex2D(PREFIX(support_tex), vec2(tc.x * PREFIX(num_repeats), 0.0)); vec4 c1 = INPUT(vec2(tc.x + support.x, tc.y)); vec4 c2 = INPUT(vec2(tc.x + support.y, tc.y)); #endif // Two complex additions and multiplications in parallel; essentially // // result.xy = c1.xy + twiddle * c2.xy // result.zw = c1.zw + twiddle * c2.zw // // where * is complex multiplication. return c1 + support.z * c2 + support.w * vec4(-c2.y, c2.x, -c2.w, c2.z); } #undef DIRECTION_VERTICAL movit-1.7.1/vignette_effect.frag0000644000175000017500000000116314462263704015717 0ustar sessesesse// A simple, circular vignette, with a cos² falloff. // Implicit uniforms: // uniform float PREFIX(pihalf_div_radius); // // uniform vec2 PREFIX(aspect_correction); // uniform vec2 PREFIX(flipped_center); vec4 FUNCNAME(vec2 tc) { vec4 x = INPUT(tc); const float pihalf = 0.5 * 3.14159265358979324; vec2 normalized_pos = (tc - PREFIX(flipped_center)) * PREFIX(aspect_correction); float dist = (length(normalized_pos) - PREFIX(inner_radius)) * PREFIX(pihalf_div_radius); float linear_falloff = clamp(dist, 0.0, pihalf); float falloff = cos(linear_falloff) * cos(linear_falloff); x.rgb *= vec3(falloff); return x; } movit-1.7.1/slice_effect.frag0000644000175000017500000000206614462263704015174 0ustar sessesesse// Implicit uniforms: // uniform float PREFIX(output_coord_to_slice_num); // uniform float PREFIX(slice_num_to_input_coord); // uniform float PREFIX(slice_offset_to_input_coord); // uniform float PREFIX(normalized_offset); vec4 FUNCNAME(vec2 tc) { // DIRECTION_VERTICAL will be #defined to 1 if we are expanding vertically, // and 0 otherwise. #if DIRECTION_VERTICAL float sliced_coord = 1.0 - tc.y; #else float sliced_coord = tc.x; #endif // Find out which slice we are in, and a 0..1 coordinate for the offset within that slice. float slice_num = floor(sliced_coord * PREFIX(output_coord_to_slice_num)); float slice_offset = fract(sliced_coord * PREFIX(output_coord_to_slice_num)); // Find out where this slice begins in the input data, and then offset from that. float input_coord = slice_num * PREFIX(slice_num_to_input_coord) + slice_offset * PREFIX(slice_offset_to_input_coord) + PREFIX(normalized_offset); #if DIRECTION_VERTICAL return INPUT(vec2(tc.x, 1.0 - input_coord)); #else return INPUT(vec2(input_coord, tc.y)); #endif } #undef DIRECTION_VERTICAL movit-1.7.1/complex_modulate_effect.frag0000644000175000017500000000051314462263704017431 0ustar sessesesse// Implicit uniforms: // uniform vec2 PREFIX(num_repeats); vec4 FUNCNAME(vec2 tc) { vec4 pixel = INPUT1(tc); vec2 pattern = INPUT2(tc * PREFIX(num_repeats)).xy; // Complex multiplication between each of (pixel.xy, pixel.zw) and pattern.xy. return pattern.x * pixel + pattern.y * vec4(-pixel.y, pixel.x, -pixel.w, pixel.z); } movit-1.7.1/luma_mix_effect.frag0000644000175000017500000000340314462263704015704 0ustar sessesesse// Implicit uniforms: // uniform float PREFIX(progress_mul_w_plus_one); // uniform bool PREFIX(bool_inverse); vec4 FUNCNAME(vec2 tc) { vec4 first = INPUT1(tc); vec4 second = INPUT2(tc); // We treat the luma as going from 0 to w, where w is the transition width // (wider means the boundary between transitioned and non-transitioned // will be harder, while w=0 is essentially just a straight fade). // We need to map this 0..w range in the luma image to a (clamped) 0..1 // range for how far this pixel has come in a fade. At the very // beginning, we can visualize it like this, where every pixel is in // the state 0.0 (100% first image, 0% second image): // // 0 w // luma: |---------------------| // mix: |----| // 0 1 // // Then as we progress, eventually the luma range should move to the right // so that more pixels start moving towards higher mix value: // // 0 w // luma: |---------------------| // mix: |----| // 0 1 // // and at the very end, all pixels should be in the state 1.0 (0% first image, // 100% second image): // // 0 w // luma: |---------------------| // mix: |----| // 0 1 // // So clearly, it should move (w+1) units to the right, and apart from that // just stay a simple mapping. float w = PREFIX(transition_width); float luma = INPUT3(tc).x; if (PREFIX(bool_inverse)) { luma = 1.0 - luma; } float m = clamp((luma * w - w) + PREFIX(progress_mul_w_plus_one), 0.0, 1.0); return mix(first, second, m); } movit-1.7.1/ycbcr_conversion_effect.frag0000644000175000017500000000164414462263704017445 0ustar sessesesse// See footer.frag for details about this if statement. #ifndef YCBCR_ALSO_OUTPUT_RGBA #define YCBCR_ALSO_OUTPUT_RGBA 0 #endif #if YCBCR_ALSO_OUTPUT_RGBA vec4[2] FUNCNAME(vec2 tc) { #else vec4 FUNCNAME(vec2 tc) { #endif vec4 rgba = INPUT(tc); vec4 ycbcr_a; ycbcr_a.rgb = PREFIX(ycbcr_matrix) * rgba.rgb + PREFIX(offset); if (PREFIX(clamp_range)) { // If we use limited-range Y'CbCr, the card's usual 0–255 clamping // won't be enough, so we need to clamp ourselves here. // // We clamp before dither, which is a bit unfortunate, since // it means dither can take us out of the clamped range again. // However, since DitherEffect never adds enough dither to change // the quantized levels, we will be fine in practice. ycbcr_a.rgb = clamp(ycbcr_a.rgb, PREFIX(ycbcr_min), PREFIX(ycbcr_max)); } ycbcr_a.a = rgba.a; #if YCBCR_ALSO_OUTPUT_RGBA return vec4[2](ycbcr_a, rgba); #else return ycbcr_a; #endif } movit-1.7.1/deinterlace_effect.frag0000644000175000017500000002012214462263704016345 0ustar sessesesse// Implicit uniforms: // uniform int PREFIX(current_field_position); // uniform float PREFIX(num_lines); // uniform float PREFIX(self_offset); // uniform float PREFIX(inv_width); // uniform float PREFIX(current_offset)[2]; // uniform float PREFIX(other_offset)[3]; // The best explanation of YADIF that I've seen is actually a pseudocode // reimplementation from the Doom9 forum: // // http://forum.doom9.org/showthread.php?p=980375#post980375 // // We generally follow its terminology instead of the original C source // (which I'll refer to as “C YADIF”), although I've used the C source as a // reference to double-check at times. We're not bit-exact the same as // C YADIF; in particular, we work in linear light, and left/right edge // handling might also be a bit different (for top/bottom edge handling, // C YADIF repeats texels like we do). Also, C YADIF generally works on // Y', Cb and Cr planes separately, while we work on the entire RGBA triplet // and do our spatial interpolation decisions based on the pixel as a whole, // so our decision metric also naturally becomes different. #define DIFF(s1, s2) dot((s1) - (s2), (s1) - (s2)) vec4 FUNCNAME(vec2 tc) { int yi = int(round(tc.y * PREFIX(num_lines) - 0.5f)); // Figure out if we just want to keep the current line or if // we need to interpolate. This branch is obviously divergent, // but the very nature of deinterlacing would seem to require that. // // Note that since we have bottom-left origin, yi % 2 will return 0 // for bottom and 1 for top. if ((yi % 2) != PREFIX(current_field_position)) { return INPUT3(vec2(tc.x, tc.y + PREFIX(self_offset))); } // First, estimate the current pixel from the neighboring pixels in the // same field (spatial interpolation). We try first 0 degrees (straight // up/down), then ±45 degrees and then finally ±63 degrees. The best of // these, as determined by the “spatial score” (basically sum of squared // differences in three neighboring pixels), is kept. // // The C version of YADIF goesn't check +63° unless +45° gave an improvement, // and similarly not -63° unless -45° did. The MMX version goes through pains // to simulate the same, but notes that it “hurts both quality and speed”. // We're not bit-exact the same as the C version anyway, and not sampling // ±63° would probably be a rather divergent branch, so we just always do it. // a b c d e f g ↑ y // x | // h i j k l m n +--> x vec2 a_pos = vec2(tc.x - 3.0 * PREFIX(inv_width), tc.y + PREFIX(current_offset)[1]); vec2 b_pos = vec2(tc.x - 2.0 * PREFIX(inv_width), a_pos.y); vec2 c_pos = vec2(tc.x - PREFIX(inv_width), a_pos.y); vec2 d_pos = vec2(tc.x, a_pos.y); vec2 e_pos = vec2(tc.x + PREFIX(inv_width), a_pos.y); vec2 f_pos = vec2(tc.x + 2.0 * PREFIX(inv_width), a_pos.y); vec2 g_pos = vec2(tc.x + 3.0 * PREFIX(inv_width), a_pos.y); vec2 h_pos = vec2(tc.x - 3.0 * PREFIX(inv_width), tc.y + PREFIX(current_offset)[0]); vec2 i_pos = vec2(tc.x - 2.0 * PREFIX(inv_width), h_pos.y); vec2 j_pos = vec2(tc.x - PREFIX(inv_width), h_pos.y); vec2 k_pos = vec2(tc.x, h_pos.y); vec2 l_pos = vec2(tc.x + PREFIX(inv_width), h_pos.y); vec2 m_pos = vec2(tc.x + 2.0 * PREFIX(inv_width), h_pos.y); vec2 n_pos = vec2(tc.x + 3.0 * PREFIX(inv_width), h_pos.y); vec4 a = INPUT3(a_pos); vec4 b = INPUT3(b_pos); vec4 c = INPUT3(c_pos); vec4 d = INPUT3(d_pos); vec4 e = INPUT3(e_pos); vec4 f = INPUT3(f_pos); vec4 g = INPUT3(g_pos); vec4 h = INPUT3(h_pos); vec4 i = INPUT3(i_pos); vec4 j = INPUT3(j_pos); vec4 k = INPUT3(k_pos); vec4 l = INPUT3(l_pos); vec4 m = INPUT3(m_pos); vec4 n = INPUT3(n_pos); // 0 degrees. Note that pred is actually twice the real spatial prediction; // we halve it later to same some arithmetic. Also, our spatial score is not // the same as in C YADIF; we use the total squared sum over all four // channels instead of deinterlacing each channel separately. // // Note that there's a small, arbitrary bonus for this first alternative, // so that vertical interpolation wins if everything else is equal. vec4 pred = d + k; float score; float best_score = DIFF(c, j) + DIFF(d, k) + DIFF(e, l) - 1e-4; // -45 degrees. score = DIFF(b, k) + DIFF(c, l) + DIFF(d, m); if (score < best_score) { pred = c + l; best_score = score; } // -63 degrees. score = DIFF(a, l) + DIFF(b, m) + DIFF(c, n); if (score < best_score) { pred = b + m; best_score = score; } // +45 degrees. score = DIFF(d, i) + DIFF(e, j) + DIFF(f, k); if (score < best_score) { pred = e + j; best_score = score; } // +63 degrees. score = DIFF(e, h) + DIFF(f, i) + DIFF(g, j); if (score < best_score) { pred = f + i; // best_score isn't used anymore. } pred *= 0.5f; // Now we do a temporal prediction (p2) of this pixel based on the previous // and next fields. The spatial prediction is clamped so that it is not // too far from this temporal prediction, where “too far” is based on // the amount of local temporal change. (In other words, the temporal prediction // is the safe choice, and the question is how far away from that we'll let // our spatial choice run.) Note that here, our difference metric // _is_ the same as C YADIF, namely per-channel abs. // // The sample positions look like this; in order to avoid variable name conflicts // with the spatial interpolation, we use uppercase names. x is, again, // the current pixel we're trying to estimate. // // C H ↑ y // A F K | // D x I | // B G L | // E J +-----> time // vec2 AFK_pos = d_pos; vec2 BGL_pos = k_pos; vec4 A = INPUT1(AFK_pos); vec4 B = INPUT1(BGL_pos); vec4 F = d; vec4 G = k; vec4 K = INPUT5(AFK_pos); vec4 L = INPUT5(BGL_pos); vec2 CH_pos = vec2(tc.x, tc.y + PREFIX(other_offset)[2]); vec2 DI_pos = vec2(tc.x, tc.y + PREFIX(other_offset)[1]); vec2 EJ_pos = vec2(tc.x, tc.y + PREFIX(other_offset)[0]); vec4 C = INPUT2(CH_pos); vec4 D = INPUT2(DI_pos); vec4 E = INPUT2(EJ_pos); vec4 H = INPUT4(CH_pos); vec4 I = INPUT4(DI_pos); vec4 J = INPUT4(EJ_pos); // Find temporal differences around this line, using all five fields. // tdiff0 is around the current field, tdiff1 is around the previous one, // tdiff2 is around the next one. vec4 tdiff0 = abs(D - I); vec4 tdiff1 = abs(A - F) + abs(B - G); // Actually twice tdiff1. vec4 tdiff2 = abs(K - F) + abs(L - G); // Actually twice tdiff2. vec4 diff = max(tdiff0, 0.5f * max(tdiff1, tdiff2)); // The following part is the spatial interlacing check, which loosens up the // allowable temporal change. (See also the comments in the .h file.) // It costs us four extra loads (C, E, H, J) and a few extra ALU ops; // we're already very load-heavy, so the extra ALU is effectively free. // It costs about 18% performance in some benchmarks, which squares // well with going from 20 to 24 loads (a 20% increase), although for // total overall performance in longer chains, the difference is nearly zero. // // The basic idea is seemingly to allow more change if there are large spatial // vertical changes, even if there are few temporal changes. These differences // are signed, though, which make it more tricky to follow, although they seem // to reduce into some sort of pseudo-abs. I will not claim to understand them // very well. // // We start by temporally interpolating the current vertical line (p0–p4): // // C p0 H ↑ y // A p1 K | // D p2 I | // B p3 L | // E p4 J +-----> time // // YADIF_ENABLE_SPATIAL_INTERLACING_CHECK will be #defined to 1 // if the check is enabled. Otherwise, the compiler should // be able to remove the dependent code quite easily. vec4 p0 = 0.5f * (C + H); vec4 p1 = F; vec4 p2 = 0.5f * (D + I); vec4 p3 = G; vec4 p4 = 0.5f * (E + J); #if YADIF_ENABLE_SPATIAL_INTERLACING_CHECK vec4 max_ = max(max(p2 - p3, p2 - p1), min(p0 - p1, p4 - p3)); vec4 min_ = min(min(p2 - p3, p2 - p1), max(p0 - p1, p4 - p3)); diff = max(diff, max(min_, -max_)); #endif return clamp(pred, p2 - diff, p2 + diff); } #undef DIFF #undef YADIF_ENABLE_SPATIAL_INTERLACING_CHECK movit-1.7.1/sandbox_effect.frag0000644000175000017500000000022414462263704015525 0ustar sessesessevec4 FUNCNAME(vec2 tc) { // Your code goes here, obviously. // You can use PREFIX(parm) to access the parameter you gave in. return INPUT(tc); } movit-1.7.1/mirror_effect.frag0000644000175000017500000000014514462263704015403 0ustar sessesesse// Mirrors the image horizontally. vec4 FUNCNAME(vec2 tc) { tc.x = 1.0 - tc.x; return INPUT(tc); } movit-1.7.1/multiply_effect.frag0000644000175000017500000000007714462263704015754 0ustar sessesessevec4 FUNCNAME(vec2 tc) { return INPUT(tc) * PREFIX(factor); } movit-1.7.1/deinterlace_effect.comp0000644000175000017500000002070514462263704016373 0ustar sessesesse// Implicit uniforms: // uniform int PREFIX(current_field_position); // uniform float PREFIX(inv_width); // uniform float PREFIX(inv_height); // uniform float PREFIX(current_field_vertical_offset); // Compute shader implementation of DeinterlaceEffect. See the fragment // shader implementation (deinterlace_effect.frag) for comments about the // algorithm; comments here will mainly be about issues specific to the // compute shader implementation. #define DIFF(s1, s2) dot((s1) - (s2), (s1) - (s2)) // In input pixels (so output will be 8x32). Corresponds to get_compute_dimensions() // in the C++ code. It is illogical that 8x32 would be better than e.g. 32x8, // since we reuse more data horizontally, but especially Intel cards are much more // happy about this for whatever reason. #define GROUP_W 8 #define GROUP_H 16 // When sampling from the current field (spatial interpolation below), we have // a fringe of three pixels on the left and right sides, so we need to load // more. We also have one pixel above and below, although our destination pixel // is squeezed in the middle of them (they don't overlap), so we only need one // extra pixel. #define GROUP_W_FRINGE (GROUP_W + 6) #define GROUP_H_FRINGE (GROUP_H + 1) layout(local_size_x = GROUP_W, local_size_y = GROUP_H) in; #if (GROUP_W_FRINGE * GROUP_H_FRINGE) > (GROUP_W * (GROUP_H + 2)) #define TEMP_NUM_ELEM (GROUP_W_FRINGE * GROUP_H_FRINGE) #else #define TEMP_NUM_ELEM (GROUP_W * (GROUP_H + 2)) #endif shared vec4 temp[TEMP_NUM_ELEM]; #if TEMP_NUM_ELEM > (GROUP_W * GROUP_H * 2) #error Not enough threads to load all data in two loads #endif // Load a WxH block of samples. We need to do this in two phases, // since we have more input samples than we have output samples (threads); // in the second phase, some threads will be idle. #define LOAD_PIXEL_BLOCK(base_tc, block_width, block_height, func) \ { \ memoryBarrierShared(); \ barrier(); \ int thread_id = int(gl_LocalInvocationID.y) * GROUP_W + int(gl_LocalInvocationID.x); \ { \ int x = thread_id % (block_width); \ int y = thread_id / (block_width); \ temp[thread_id] = func(vec2((base_tc).x + x * PREFIX(inv_width), \ (base_tc).y + y * PREFIX(inv_height))); \ } \ const int num_threads = GROUP_W * GROUP_H; \ if (thread_id + num_threads < (block_width) * (block_height)) { \ int x = (thread_id + num_threads) % (block_width); \ int y = (thread_id + num_threads) / (block_width); \ temp[thread_id + num_threads] = \ func(vec2((base_tc).x + x * PREFIX(inv_width), \ (base_tc).y + y * PREFIX(inv_height))); \ } \ memoryBarrierShared(); \ barrier(); \ } void FUNCNAME() { // The current thread is responsible for output of two pixels, namely (x,2y) // and (x,2y+1). One will be an unmodified one, the other one will be the // pixel we are trying to interpolate. If TFF (current_field_position==0), // the unmodified one is 2y+1 (remember OpenGL's bottom-left convention), // and if BFF, the unmodified one is 2y. So we need to invert current_field_position // to figure out which value to add. int yi = int(gl_GlobalInvocationID.y) * 2 + (PREFIX(current_field_position) ^ 1); // Load in data for the current field. current_offset signals where the block // starts vertically; see set_gl_state() in the C++ code. vec2 base_tc = vec2((gl_WorkGroupID.x * uint(GROUP_W) + (0.5f - 3.0f)) * PREFIX(inv_width), (gl_WorkGroupID.y * uint(GROUP_H) + 0.5f) * PREFIX(inv_height) + PREFIX(current_field_vertical_offset)); LOAD_PIXEL_BLOCK(base_tc, GROUP_W_FRINGE, GROUP_H_FRINGE, INPUT3); int lx = int(gl_LocalInvocationID.x) + 3; int ly = int(gl_LocalInvocationID.y); // Output the unmodified pixel. For TFF (current_field_position == 0), // we have an extra pixel on the bottom that we're only using for interpolation // (it's being output by another workgroup), so we have to add 1. vec4 val = temp[(ly + (PREFIX(current_field_position) ^ 1)) * GROUP_W_FRINGE + lx]; OUTPUT(ivec2(gl_GlobalInvocationID.x, yi), val); // a b c d e f g ↑ y // x | // h i j k l m n +--> x vec4 a = temp[(ly + 1) * GROUP_W_FRINGE + lx - 3]; vec4 b = temp[(ly + 1) * GROUP_W_FRINGE + lx - 2]; vec4 c = temp[(ly + 1) * GROUP_W_FRINGE + lx - 1]; vec4 d = temp[(ly + 1) * GROUP_W_FRINGE + lx]; vec4 e = temp[(ly + 1) * GROUP_W_FRINGE + lx + 1]; vec4 f = temp[(ly + 1) * GROUP_W_FRINGE + lx + 2]; vec4 g = temp[(ly + 1) * GROUP_W_FRINGE + lx + 3]; vec4 h = temp[ly * GROUP_W_FRINGE + lx - 3]; vec4 i = temp[ly * GROUP_W_FRINGE + lx - 2]; vec4 j = temp[ly * GROUP_W_FRINGE + lx - 1]; vec4 k = temp[ly * GROUP_W_FRINGE + lx]; vec4 l = temp[ly * GROUP_W_FRINGE + lx + 1]; vec4 m = temp[ly * GROUP_W_FRINGE + lx + 2]; vec4 n = temp[ly * GROUP_W_FRINGE + lx + 3]; // 0 degrees. vec4 pred = d + k; float score; float best_score = DIFF(c, j) + DIFF(d, k) + DIFF(e, l) - 1e-4; // -45 degrees. score = DIFF(b, k) + DIFF(c, l) + DIFF(d, m); if (score < best_score) { pred = c + l; best_score = score; } // -63 degrees. score = DIFF(a, l) + DIFF(b, m) + DIFF(c, n); if (score < best_score) { pred = b + m; best_score = score; } // +45 degrees. score = DIFF(d, i) + DIFF(e, j) + DIFF(f, k); if (score < best_score) { pred = e + j; best_score = score; } // +63 degrees. score = DIFF(e, h) + DIFF(f, i) + DIFF(g, j); if (score < best_score) { pred = f + i; // best_score isn't used anymore. } pred *= 0.5f; // Temporal prediction (p2) of this pixel based on the previous and next fields. // // ↑ y // C H | // A F K | // D x I | // B G L | // E J | // +-----> time // // x is obviously aligned with D and I, so we don't need texcoord // adjustment for top/bottom field here, unlike earlier. However, we need // to start the block one pixel below since we need E/J, thus the -1 in // the y coordinate. base_tc = vec2((gl_WorkGroupID.x * uint(GROUP_W) + 0.5f) * PREFIX(inv_width), (gl_WorkGroupID.y * uint(GROUP_H) + (0.5f - 1.0f)) * PREFIX(inv_height)); lx = int(gl_LocalInvocationID.x); #if YADIF_ENABLE_SPATIAL_INTERLACING_CHECK LOAD_PIXEL_BLOCK(base_tc, GROUP_W, GROUP_H + 2, INPUT2); vec4 C = temp[(ly + 2) * GROUP_W + lx]; vec4 D = temp[(ly + 1) * GROUP_W + lx]; vec4 E = temp[ ly * GROUP_W + lx]; LOAD_PIXEL_BLOCK(base_tc, GROUP_W, GROUP_H + 2, INPUT4); vec4 H = temp[(ly + 2) * GROUP_W + lx]; vec4 I = temp[(ly + 1) * GROUP_W + lx]; vec4 J = temp[ ly * GROUP_W + lx]; #else // Since spatial interlacing check is not enabled, we only need D // and I from the previous and next fields; since they are not shared // between the neighboring pixels, they can be straight-up loads. vec2 DI_pos = vec2((gl_GlobalInvocationID.x + 0.5f) * PREFIX(inv_width), (gl_GlobalInvocationID.y + 0.5f) * PREFIX(inv_height)); vec4 D = INPUT2(DI_pos); vec4 I = INPUT4(DI_pos); #endif // Load what we need from the previous field into shared memory, // since A/B can be reused between neighboring pixels. We need one // line above/below, but we don't need the horizontal fringe. LOAD_PIXEL_BLOCK(base_tc, GROUP_W, GROUP_H + 1, INPUT1); vec4 A = temp[(ly + 1) * GROUP_W + lx]; vec4 B = temp[ ly * GROUP_W + lx]; // What we need from the current field was loaded earlier. vec4 F = d; vec4 G = k; // Next field. LOAD_PIXEL_BLOCK(base_tc, GROUP_W, GROUP_H + 1, INPUT5); vec4 K = temp[(ly + 1) * GROUP_W + lx]; vec4 L = temp[ ly * GROUP_W + lx]; // Find temporal differences around this line. vec4 tdiff0 = abs(D - I); vec4 tdiff1 = abs(A - F) + abs(B - G); // Actually twice tdiff1. vec4 tdiff2 = abs(K - F) + abs(L - G); // Actually twice tdiff2. vec4 diff = max(tdiff0, 0.5f * max(tdiff1, tdiff2)); #if YADIF_ENABLE_SPATIAL_INTERLACING_CHECK // Spatial interlacing check. // We start by temporally interpolating the current vertical line (p0–p4): // // C p0 H ↑ y // p1 | // D p2 I | // p3 | // E p4 J +-----> time // vec4 p0 = 0.5f * (C + H); vec4 p1 = F; vec4 p2 = 0.5f * (D + I); vec4 p3 = G; vec4 p4 = 0.5f * (E + J); vec4 max_ = max(max(p2 - p3, p2 - p1), min(p0 - p1, p4 - p3)); vec4 min_ = min(min(p2 - p3, p2 - p1), max(p0 - p1, p4 - p3)); diff = max(diff, max(min_, -max_)); #else vec4 p2 = 0.5f * (D + I); #endif val = clamp(pred, p2 - diff, p2 + diff); OUTPUT(ivec2(gl_GlobalInvocationID.x, yi ^ 1), val); } #undef LOAD_PIXEL_BLOCK #undef DIFF #undef YADIF_ENABLE_SPATIAL_INTERLACING_CHECK movit-1.7.1/highlight_cutoff_effect.frag0000644000175000017500000000011714462263704017405 0ustar sessesessevec4 FUNCNAME(vec2 tc) { return max(INPUT(tc) - vec4(PREFIX(cutoff)), 0.0); } movit-1.7.1/overlay_matte_effect.frag0000644000175000017500000000035314462263704016745 0ustar sessesessevec4 FUNCNAME(vec2 tc) { vec4 orig = INPUT1(tc); vec4 blurred = INPUT2(tc); float luminance = clamp(dot(orig.rgb, vec3(0.2126, 0.7152, 0.0722)), 0.0, 1.0); return mix(orig, blurred, luminance * vec4(PREFIX(blurred_mix_amount))); } movit-1.7.1/add.frag0000644000175000017500000000007414462263704013306 0ustar sessesessevec4 FUNCNAME(vec2 tc) { return INPUT1(tc) + INPUT2(tc); } movit-1.7.1/autogen.sh0000755000175000017500000000011114462263704013706 0ustar sessesesse#! /bin/sh aclocal libtoolize --install --copy autoconf ./configure "$@" movit-1.7.1/blue.frag0000644000175000017500000000007514462263704013506 0ustar sessesessevec4 FUNCNAME(vec2 tc) { return vec4(0.0, 0.0, 1.0, 1.0); } movit-1.7.1/configure.ac0000644000175000017500000000227214462263704014205 0ustar sessesesseAC_CONFIG_MACRO_DIR([m4]) AC_INIT(movit, git) LT_INIT PKG_PROG_PKG_CONFIG AC_CONFIG_SRCDIR(effect.cpp) AC_CONFIG_AUX_DIR(.) AC_PROG_CC AC_PROG_CXX PKG_CHECK_MODULES([Eigen3], [eigen3]) PKG_CHECK_MODULES([epoxy], [epoxy]) PKG_CHECK_MODULES([FFTW3], [fftw3]) CXXFLAGS="$CXXFLAGS -std=gnu++14" # Needed for unit tests and the demo app. with_demo_app=yes PKG_CHECK_MODULES([SDL2], [sdl2]) # This is only needed for the demo app. PKG_CHECK_MODULES([SDL2_image], [SDL2_image], [], [with_demo_app=no; AC_MSG_WARN([SDL2_image not found, demo program will not be built])]) PKG_CHECK_MODULES([libpng], [libpng], [], [with_demo_app=no; AC_MSG_WARN([libpng not found, demo program will not be built])]) # This is only needed for microbenchmarks, so optional. PKG_CHECK_MODULES([benchmark], [benchmark], [with_benchmark=yes], [with_benchmark=no; AC_MSG_WARN([Google microbenchmark framework not found, microbenchmarks will not be built])]) AC_SUBST([with_demo_app]) AC_SUBST([with_benchmark]) with_coverage=no AC_ARG_ENABLE([coverage], [ --enable-coverage build with information needed to compute test coverage], [with_coverage=yes]) AC_SUBST([with_coverage]) AC_CONFIG_FILES([Makefile movit.pc]) AC_OUTPUT movit-1.7.1/d65.h0000644000175000017500000000135114462263704012463 0ustar sessesesse#ifndef _MOVIT_D65_H #define _MOVIT_D65_H 1 namespace movit { // The D65 illuminant, which is the standard white point (ie. what you should get // for R=G=B=1) for almost all video color spaces in common use. It has a color // temperature roughly around 6500 K, which is sort of bluish; it is intended to // simulate average daylight conditions. // // The definition (in xyz space) is given, for instance, in both Rec. 601 and 709. static const double d65_x = 0.3127, d65_y = 0.3290, d65_z = 1.0 - d65_x - d65_y; // XYZ coordinates of D65, normalized so that Y=1. static const double d65_X = d65_x / d65_y; static const double d65_Y = 1.0; static const double d65_Z = d65_z / d65_y; } // namespace movit #endif // !defined(_MOVIT_D65_H) movit-1.7.1/invert_effect.frag0000644000175000017500000000022314462263704015375 0ustar sessesesse// Used only during testing. Inverts its input. vec4 FUNCNAME(vec2 tc) { vec4 rgba = INPUT(tc); rgba.rgb = vec3(1.0) - rgba.rgb; return rgba; } movit-1.7.1/Makefile.in0000644000175000017500000001701014462263704013760 0ustar sessesesseGTEST_DIR ?= /usr/src/gtest # This will be upgraded for each release, although not necessarily for every git commit. # See http://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html # for the rules as of how this is changed. This does not really mean that Movit will # strive towards having a rock-stable ABI, but at least the soversion will increase # whenever it breaks, so that you will not have silent failures, and distribution package # management can run its course. movit_ltversion = 8:5:0 movit_version = 1.7.1 prefix = @prefix@ exec_prefix = @exec_prefix@ includedir = @includedir@ libdir = @libdir@ datarootdir = @datarootdir@ top_builddir = @top_builddir@ with_demo_app = @with_demo_app@ with_benchmark = @with_benchmark@ with_coverage = @with_coverage@ CC=@CC@ CXX=@CXX@ CXXFLAGS=-Wall @CXXFLAGS@ -fvisibility-inlines-hidden -I$(GTEST_DIR)/include @SDL2_CFLAGS@ @Eigen3_CFLAGS@ @epoxy_CFLAGS@ @FFTW3_CFLAGS@ @benchmark_CFLAGS@ ifeq ($(with_benchmark),yes) CXXFLAGS += -DHAVE_BENCHMARK endif LDFLAGS=@LDFLAGS@ LDLIBS=@epoxy_LIBS@ @FFTW3_LIBS@ -lpthread TEST_LDLIBS=@epoxy_LIBS@ @SDL2_LIBS@ @benchmark_LIBS@ -lpthread DEMO_LDLIBS=@SDL2_image_LIBS@ -lrt -lpthread @libpng_LIBS@ @FFTW3_LIBS@ SHELL=@SHELL@ LIBTOOL=@LIBTOOL@ --tag=CXX RANLIB=ranlib INSTALL=install MKDIR=mkdir ifeq ($(with_coverage),yes) CXXFLAGS += -fprofile-arcs -ftest-coverage --coverage LDFLAGS += -fprofile-arcs -ftest-coverage LDLIBS += -lgcov endif DEMO_OBJS=demo.o widgets.o # Inputs. TESTED_INPUTS = flat_input TESTED_INPUTS += ycbcr_input TESTED_INPUTS += ycbcr_422interleaved_input INPUTS = $(TESTED_INPUTS) $(UNTESTED_INPUTS) # Effects. TESTED_EFFECTS = lift_gamma_gain_effect TESTED_EFFECTS += white_balance_effect TESTED_EFFECTS += gamma_expansion_effect TESTED_EFFECTS += gamma_compression_effect TESTED_EFFECTS += colorspace_conversion_effect TESTED_EFFECTS += alpha_multiplication_effect TESTED_EFFECTS += alpha_division_effect TESTED_EFFECTS += saturation_effect TESTED_EFFECTS += blur_effect TESTED_EFFECTS += diffusion_effect TESTED_EFFECTS += glow_effect TESTED_EFFECTS += unsharp_mask_effect TESTED_EFFECTS += mix_effect TESTED_EFFECTS += overlay_effect TESTED_EFFECTS += padding_effect TESTED_EFFECTS += resample_effect TESTED_EFFECTS += dither_effect TESTED_EFFECTS += deconvolution_sharpen_effect TESTED_EFFECTS += fft_pass_effect TESTED_EFFECTS += vignette_effect TESTED_EFFECTS += slice_effect TESTED_EFFECTS += complex_modulate_effect TESTED_EFFECTS += luma_mix_effect TESTED_EFFECTS += fft_convolution_effect TESTED_EFFECTS += ycbcr_conversion_effect TESTED_EFFECTS += deinterlace_effect UNTESTED_EFFECTS = sandbox_effect UNTESTED_EFFECTS += mirror_effect UNTESTED_EFFECTS += resize_effect UNTESTED_EFFECTS += multiply_effect UNTESTED_EFFECTS += fft_input EFFECTS = $(TESTED_EFFECTS) $(UNTESTED_EFFECTS) # Unit tests. TESTS=effect_chain_test fp16_test $(TESTED_INPUTS:=_test) $(TESTED_EFFECTS:=_test) LIB_OBJS=effect_util.o util.o effect.o effect_chain.o init.o resource_pool.o ycbcr.o bundled_shaders.o $(INPUTS:=.o) $(EFFECTS:=.o) # Default target: all: libmovit.la $(TESTS) ifeq ($(with_demo_app),yes) all: demo endif # Google Test and other test library functions. OWN_TEST_OBJS = gtest_sdl_main.o test_util.o TEST_OBJS = gtest-all.o $(OWN_TEST_OBJS) gtest-all.o: $(GTEST_DIR)/src/gtest-all.cc $(CXX) -MMD $(CPPFLAGS) -I$(GTEST_DIR) $(CXXFLAGS) -c $< -o $@ gtest_sdl_main.o: gtest_sdl_main.cpp $(CXX) -MMD $(CPPFLAGS) -I$(GTEST_DIR) $(CXXFLAGS) -c $< -o $@ # Unit tests. $(TESTS): %: %.o $(TEST_OBJS) libmovit.la $(LIBTOOL) --mode=link $(CXX) $(LDFLAGS) -o $@ $^ $(TEST_LDLIBS) OWN_OBJS=$(DEMO_OBJS) $(LIB_OBJS) $(OWN_TEST_OBJS) $(TESTS:=.o) make_bundled_shaders.o OBJS=$(DEMO_OBJS) $(LIB_OBJS) $(TEST_OBJS) $(TESTS:=.o) make_bundled_shaders.o # A small demo program. demo: libmovit.la $(DEMO_OBJS) $(LIBTOOL) --mode=link $(CXX) $(LDFLAGS) -o demo $(DEMO_OBJS) libmovit.la $(LDLIBS) $(DEMO_LDLIBS) # The library itself. libmovit.la: $(LIB_OBJS:.o=.lo) $(LIBTOOL) --mode=link $(CXX) $(LDFLAGS) -rpath $(libdir) -version-info $(movit_ltversion) -o $@ $^ $(LDLIBS) %.lo: %.cpp $(LIBTOOL) --mode=compile $(CXX) -MMD -MP $(CPPFLAGS) $(CXXFLAGS) -o $@ -c $< [ ! -r $(@:.lo=.d) ] || sed 's/\.o:/\.lo:/' < $(@:.lo=.d) > $(@:.lo=.ld) [ ! -r .libs/$(@:.lo=.d) ] || sed 's/\.o:/\.lo:/' < .libs/$(@:.lo=.d) > .libs/$(@:.lo=.ld) %.o: %.cpp $(CXX) -MMD -MP $(CPPFLAGS) $(CXXFLAGS) -o $@ -c $< DEPS=$(OBJS:.o=.d) $(OBJS:.o=.ld) -include $(DEPS) clean: $(LIBTOOL) --mode=clean $(RM) demo $(TESTS) libmovit.la $(OBJS) $(OBJS:.o=.lo) $(LIBTOOL) --mode=clean $(RM) $(MAKE_BUNDLE_OBJS) $(MAKE_BUNDLE_OBJS:.o=.lo) make_bundled_shaders bundled_shaders.cpp $(RM) $(OBJS:.o=.gcno) $(OBJS:.o=.gcda) $(MAKE_BUNDLE_OBJS:.o=.gcno) $(MAKE_BUNDLE_OBJS:.o=.gcda) $(DEPS) step*.dot chain*.frag $(RM) -r movit.info coverage/ .libs/ distclean: clean $(RM) Makefile movit.pc config.status config.log check: $(TESTS) FAILED_TESTS=""; \ for TEST in $(TESTS); do \ ./$$TEST || FAILED_TESTS="$$TEST $$FAILED_TESTS"; \ done; \ if [ "$$FAILED_TESTS" ]; then \ echo Failed tests: $$FAILED_TESTS; \ exit 1; \ fi ifeq ($(with_coverage),yes) coverage: check lcov -d . -c -o movit.info lcov --remove movit.info '*_test.cpp' 'test_util.*' 'sandbox_effect.*' widgets.cpp -o movit.info genhtml -o coverage movit.info else coverage: @echo You need to compile with --enable-coverage to use this target. @exit 1 endif HDRS = effect_chain.h effect_util.h effect.h input.h image_format.h init.h util.h defs.h resource_pool.h fp16.h ycbcr.h version.h HDRS += $(INPUTS:=.h) HDRS += $(EFFECTS:=.h) SHADERS = vs.vert vs.130.vert vs.150.vert vs.300es.vert SHADERS += header.130.frag header.150.frag header.300es.frag header.comp SHADERS += footer.frag identity.frag footer.comp SHADERS += texture1d.130.frag texture1d.150.frag texture1d.300es.frag SHADERS += $(INPUTS:=.frag) SHADERS += $(EFFECTS:=.frag) deinterlace_effect.comp SHADERS += highlight_cutoff_effect.frag SHADERS += overlay_matte_effect.frag # These purposefully do not exist. MISSING_SHADERS = diffusion_effect.frag glow_effect.frag unsharp_mask_effect.frag resize_effect.frag MISSING_SHADERS += fft_convolution_effect.frag fft_input.frag SHADERS := $(filter-out $(MISSING_SHADERS),$(SHADERS)) # A program to compile all the shaders into one bundle that we can link into the library. MAKE_BUNDLE_OBJS=make_bundled_shaders.o util.o init.o resource_pool.o make_bundled_shaders: $(MAKE_BUNDLE_OBJS) $(LIBTOOL) --mode=link $(CXX) $(LDFLAGS) -o make_bundled_shaders $(MAKE_BUNDLE_OBJS) -lepoxy bundled_shaders.cpp: make_bundled_shaders $(SHADERS) ./make_bundled_shaders $(SHADERS) > $@ install: libmovit.la $(MKDIR) -p $(DESTDIR)$(libdir)/ $(LIBTOOL) --mode=install $(INSTALL) -m 0644 libmovit.la $(DESTDIR)$(libdir)/ $(MKDIR) -p $(DESTDIR)$(includedir)/movit/ $(INSTALL) -m 0644 $(HDRS) $(DESTDIR)$(includedir)/movit/ $(MKDIR) -p $(DESTDIR)$(libdir)/pkgconfig/ $(INSTALL) -m 644 movit.pc $(DESTDIR)$(libdir)/pkgconfig/ DISTDIR=movit-$(movit_version) OTHER_DIST_FILES=add.frag autogen.sh blue.frag configure.ac d65.h identity.frag invert_effect.frag Makefile.in mipmap_needing_effect.frag downscale2x.frag downscale2x.comp mirror.comp identity.comp movit.pc.in README NEWS test_util.h widgets.h bundled_shaders.h dist: $(MKDIR) $(DISTDIR) cp $(OWN_OBJS:.o=.cpp) $(DISTDIR)/ cp $(HDRS) $(DISTDIR)/ cp $(SHADERS) $(DISTDIR)/ cp $(OTHER_DIST_FILES) $(DISTDIR)/ ( cd $(DISTDIR) && aclocal && libtoolize --install --copy && autoconf && $(RM) -r autom4te.cache/ ) tar zcvvf ../$(DISTDIR).tar.gz $(DISTDIR) $(RM) -r $(DISTDIR) .PHONY: coverage clean distclean check all install dist movit-1.7.1/mipmap_needing_effect.frag0000644000175000017500000000012414462263704017042 0ustar sessesesse// Used only for testing. vec4 FUNCNAME(vec2 tc) { return INPUT(tc * vec2(4.0)); } movit-1.7.1/downscale2x.frag0000644000175000017500000000034514462263704015010 0ustar sessesesse// Used only for testing. // Implicit uniforms: // uniform vec2 PREFIX(offset); vec4 FUNCNAME(vec2 tc) { return INPUT(tc * 2.0 + PREFIX(offset)); // vec2 z = tc * 2.0 + PREFIX(offset); // return vec4(z.y, 0.0f, 0.0f, 1.0f); } movit-1.7.1/downscale2x.comp0000644000175000017500000000035714462263704015032 0ustar sessesesse// Used for testing only. layout(local_size_x = 1) in; void FUNCNAME() { ivec2 tc = ivec2(gl_GlobalInvocationID.xy); vec2 coord = NORMALIZE_TEXTURE_COORDS(vec2(tc.x, tc.y)); OUTPUT(tc, INPUT(vec2(coord.x - 0.125, coord.y + 0.25))); } movit-1.7.1/mirror.comp0000644000175000017500000000116714462263704014113 0ustar sessesesse// A compute shader to mirror the inputs, in 2x2 blocks. For testing only. layout(local_size_x = 1) in; void FUNCNAME() { ivec2 tc = ivec2(gl_GlobalInvocationID.xy) * ivec2(2, 2); int offs = int(gl_NumWorkGroups.x) * 2 - 1; OUTPUT(ivec2(offs - tc.x, tc.y), INPUT(NORMALIZE_TEXTURE_COORDS(vec2(tc.x, tc.y)))); OUTPUT(ivec2(offs - tc.x - 1, tc.y), INPUT(NORMALIZE_TEXTURE_COORDS(vec2(tc.x + 1, tc.y)))); OUTPUT(ivec2(offs - tc.x, tc.y + 1), INPUT(NORMALIZE_TEXTURE_COORDS(vec2(tc.x, tc.y + 1)))); OUTPUT(ivec2(offs - tc.x - 1, tc.y + 1), INPUT(NORMALIZE_TEXTURE_COORDS(vec2(tc.x + 1, tc.y + 1)))); } movit-1.7.1/identity.comp0000644000175000017500000000033714462263704014430 0ustar sessesesse// Identity compute shader (sometimes useful to do nothing). layout(local_size_x = 1) in; void FUNCNAME() { vec4 val = INPUT(NORMALIZE_TEXTURE_COORDS(gl_GlobalInvocationID.xy)); OUTPUT(gl_GlobalInvocationID.xy, val); } movit-1.7.1/movit.pc.in0000644000175000017500000000061314462263704014003 0ustar sessesesse# Movit pkg-config source file. prefix=@prefix@ exec_prefix=@exec_prefix@ libdir=@libdir@ includedir=@includedir@ datarootdir=@datarootdir@ datadir=@datadir@ shaderdir=@datadir@/movit Name: movit Description: Movit is a library for high-quality, high-performance video filters. Version: git Requires: epoxy eigen3 Requires.private: fftw3 Conflicts: Libs: -lmovit Cflags: -I${includedir}/movit movit-1.7.1/README0000644000175000017500000002236014462263704012577 0ustar sessesesse Announcing Movit ================ Movit is the Modern Video Toolkit, notwithstanding that anything that's called “modern” usually isn't, and it's really not a toolkit. Movit aims to be a _high-quality_, _high-performance_, _open-source_ library for video filters. TL;DR, please give me download link and system demands ====================================================== OK, you need * A C++14 compiler. GCC will do. (I haven't tried Windows, but it works fine on Linux and OS X, and Movit is not very POSIX-bound.) * GNU Make. * A GPU capable of running OpenGL 3.0 or newer. GLES3 (for mobile devices) will also work. * The [Eigen 3], [FFTW3] and [Google Test] libraries. (The library itself does not depend on the latter, but you probably want to run the unit tests.) If you also have the Google microbenchmark library, you can get some benchmarks as well. * The [epoxy] library, for dealing with OpenGL extensions on various platforms. Movit has been tested with various Intel, AMD and NVIDIA GPUs, on Linux and Windows. Again, most likely, GPU compatibility shouldn't be a big issue. See below for performance estimates. Still TL;DR, please give me the list of filters =============================================== Blur, diffusion, FFT-based convolution, glow, lift/gamma/gain (color correction), mirror, mix (add two inputs), luma mix (use a map to wipe between two inputs), overlay (the Porter-Duff “over” operation), scale (bilinear and Lanczos), sharpen (both by unsharp mask and by Wiener filters), saturation (or desaturation), vignette, white balance, and a deinterlacer (YADIF). Yes, that's a short list. But they all look great, are fast and don't give you any nasty surprises. (I'd love to include denoise and framerate up-/downconversion to the list, but doing them well are all research-grade problems, and Movit is currently not there.) TL;DR, but I am interested in a programming example instead =========================================================== Assuming you have an OpenGL context already set up (either a classic OpenGL context, a GL 3.x forward-compatible or core context, or a GLES3 context): using namespace movit; EffectChain chain(1280, 720); ImageFormat inout_format; inout_format.color_space = COLORSPACE_sRGB; inout_format.gamma_curve = GAMMA_sRGB; FlatInput *input = new FlatInput(inout_format, FORMAT_BGRA_POSTMULTIPLIED_ALPHA, GL_UNSIGNED_BYTE, 1280, 720)); chain.add_input(input); Effect *saturation_effect = chain.add_effect(new SaturationEffect()); saturation_effect->set_float("saturation", 0.7f); Effect *lift_gamma_gain_effect = chain.add_effect(new LiftGammaGainEffect()); const float gain[] = { 0.8f, 1.0f, 1.0f }; lift_gamma_gain_effect->set_vec3("gain", &gain); chain.add_output(inout_format, OUTPUT_ALPHA_FORMAT_POSTMULTIPLIED); chain.finalize(); for ( ;; ) { // Do whatever you need here to decode the next frame into . input->set_pixel_data(pixels); chain.render_to_screen(); } OK, I can read a bit. What do you mean by “modern”? =================================================== Backwards compatibility is fine and all, but sometimes we can do better by observing that the world has moved on. In particular: * It's 2018, so people want to edit HD video. * It's 2018, so everybody has a GPU. * It's 2018, so everybody has a working C++ compiler. (Even Microsoft fixed theirs around 2003!) While from a programming standpoint I'd love to say that it's 2018 and interlacing does no longer exist, but that's not true (and interlacing, hated as it might be, is actually a useful and underrated technique for bandwidth reduction in broadcast video). Movit may eventually provide limited support for working with interlaced video; it has a deinterlacer, but cannot currently process video in interlaced form. What do you mean by “high-performance”? ======================================= Today, you can hardly get a _cellphone_ without a multi-core, SIMD-capable CPU, and a GPU. Yet, almost all open-source pixel processing I've seen is written using straight-up single-threaded, scalar C! Clearly there is room for improvement here, and that improvement is sorely needed. We want to edit 1080p video, not watch slideshows. Movit has chosen to run all pixel processing on the GPU, mostly using GLSL fragment shaders. While “run on the GPU” does not equal “infinite speed”, GPU programming is probably the _simplest_ way of writing highly parallel code, and it also frees the CPU to do other things like video decoding. Although compute shaders are supported, and can be used for speedups if available (currently, only the deinterlacer runs as a compute shader), it is surprisingly hard to get good performance for compute shaders for anything nontrivial. This is also one of the primary reasons why Movit uses GLSL and not any of the major GPU compute frameworks (CUDA and OpenCL), although it is also important that it is widely supported (unlike CUDA) and driver quality generally is fairly good (unlike OpenCL). Exactly what speeds you can expect is of course highly dependent on your GPU and the exact filter chain you are running. As a rule of thumb, you can run a reasonable filter chain (a lift/gamma/gain operation, a bit of diffusion, maybe a vignette) at 720p in around 30 fps on a four-year-old Intel laptop. If you have a somewhat newer Intel card, you can do 1080p video without much problems. And on a low-range nVidia card of today (GTX 550 Ti), you can probably process 4K movies directly. What do you mean by “high-quality”? =================================== Movit aims to be high-quality in two important aspects, namely _code quality_ and _output quality_. (Unfortunately, documentation quality is not on the list yet. Sorry.) High-quality output? ==================== Movit works internally in linear floating-point all the way, strongly reducing interim round-off and clipping errors. Furthermore, Movit is (weakly) colorspace-aware. Why do colorspaces matter? Well, here's a video frame from a typical camera, which records in Rec. 709 (the typical HDTV color space), and here's the same frame misinterpreted as Rec. 601 (the typical SDTV color space): [insert picture here] The difference might be subtle, but would you like that color cast? Maybe you could correct for it manually, but what if it happened on output instead of on input? And I can promise you that once we move to more wide-gamut color spaces, like the one in Rec. 2020 (used for UHDTV), the difference will be anything but subtle. As of [why working in linear light matters](http://www.4p8.com/eric.brasseur/gamma.html), others have explained it better than I can; note also that this makes Movit future-proof when the world moves towards 10- and 12-bit color precision (although the latter requires Movit to change from 16-bit to 32-bit floating point, it is a simple switch). The extra power from the GPU makes all of this simple, so do we not need to make too many concessions for the sake of speed. Movit does not currently do ICC profiles or advanced gamut mapping; if you have out-of-gamut colors, they will clip. Sorry. OK, and high-quality code? ========================== Image processing code can be surprisingly subtle; it's easy to write code that looks right, but that makes subtle artifacts that explode when processed further in a later step. (Or code that simply never worked, just that nobody cared to look at the output when a given parameter was set. I've seen that, too.) Movit tries to counteract this by three different strategies: * First, _look at the output_. Does it look good? Really? Even if you zoom in on the results? Don't settle for “meh, I'm sure that's the best it can get”. * Second, _keep things simple_. Movit does not aim for including every possible video effect under the sun (there are [others out there] that want that); the [YAGNI] principle is applied quite strongly throughout the code. It's much better to write less code but actually understand what it does; whenever I can replace some magic matrix or obscure formula from the web with a clean calculation and a descriptive comment on top, it makes me a bit happier. (Most of the time, it turns out that I had used the matrix or formula in a wrong way anyway. My degree is in multimedia signal processing, but it does not mean I have a deep understanding of everything people do in graphics.) * Third, _have unit tests_. Tests are boring, but they are unforgiving (much more unforgiving than your eye), and they keep stuff from breaking afterwards. Almost every single test I wrote has uncovered bugs in Movit, so they have already paid for themselves. There is, of course, always room for improvement. I'm sure you can find things that are stupid, little-thought-out, or buggy. If so, please let me know. What do you mean by “open-source”? ================================== Movit is licensed under the [GNU GPL](http://www.gnu.org/licenses/gpl.html), either version 2 or (at your option) any later version. You can find the full text of the license in the COPYING file, included with Movit. movit-1.7.1/NEWS0000644000175000017500000002403614462263704012420 0ustar sessesesseMovit 1.7.1, July 22nd, 2023 - Fix a bug when compiling in shaders, that could cause errors with certain shader compilers. Reported by Stefano Rivera. Movit 1.7.0, July 15th, 2023 - Compile shaders into the library. It is now allowed to give "" as the data directory, which will use the compiled-in shaders. Most users should probably just do that. - Use exact sRGB matrix values for COLORSPACE_sRGB. Movit 1.6.3, July 7th, 2019 - Various bugfixes. Movit 1.6.2, March 18th, 2018 - Various bugfixes. Movit 1.6.1, January 31st, 2018 - Loosen up some restrictions on strong one-to-one-effects. In particular, this fixes a bug with MixEffect and compute shaders that hit some Nageru setups. Movit 1.6.0, January 24th, 2018 - Support for effects that work as compute shaders. Compute shaders are generally slower than fragment shaders for the same algorithm, but allow some forms of communication between shader invocations and have more flexible output, which can enable more efficient algorithms. See effect.h for more details. Note that the fastest rendering API on EffectChain is now to a texture if possible, not to an FBO. This will only matter if the last effect is a compute shader. - Movit now includes a compute shader implementation of DeinterlaceEffect, which is automatically used instead of the fragment shader implementation if your GPU and OpenGL driver supports it (in practice, this means on all platforms except on macOS). The compute shader version is typically 20–80% faster than the fragment shader version, depending on your GPU and other factors. A compute shader implementation of ResampleEffect was written but ultimately failed to be faster, and so is not included. - Support for microbenchmarks of effects through the Google microbenchmarking framework (optional). Currently, DeinterlaceEffect and ResampleEffect has benchmarks; enable them by running the unit test with --benchmark (also try --benchmark --help). - Effects can now explicitly request _not_ to have mipmaps, which means they can do so without needing to request bounce and fiddling with the sampler state. Note that this is an API change for effects. - Movit now requires C++11, both to build and to #include the header files. Support for SDL1 has been dropped; unit tests and the demo program now need SDL2. - Various smaller bugfixes and optimizations. Movit 1.5.3, August 10th, 2017 - Various bugfixes. Movit 1.5.2, July 5th, 2017 - The texture generation for ResampleEffect (when the size is changed) now uses less CPU. - Work around an NVIDIA driver threading bug by aggressively caching VAOs. Movit 1.5.1, May 29th, 2017 - Allow YCbCrInput to change input format after finalize. - Some minor YCbCrInput bugfixes. Movit 1.5.0, March 21st, 2017 - Support interleaved Y'CbCr input (4:4:4 in a single texture). - Support 10-bit and 12-bit Y'CbCr, both for input and output. For planar, these are supported packed in 16-bit ints; for interleaved, 10:10:10:2 is supported. (Efficient conversion to and from v210, ie. 10-bit 4:2:2, is possible using compute shaders, but Movit does not include support for them at the current point.) Note that this now means the num_levels flag in YCbCrFormat actually matters, although 0 will be interpreted as 256 (8-bit) for the benefit of older applications. - Limited support for having multiple Y'CbCr outputs from a chain. - Allow changing the Y'CbCr output coefficients runtime, ie., after finalize. - Fix an issue where the last pass would have been rendered with the sRGB flag set, which confused Qt applications running in certain NVIDIA configurations. Movit 1.4.0, November 5th, 2016 - Allow setting the intermediate format for chains, instead of hardcoding it at 16-bit RGBA; advanced users can use this to e.g. ask for 8-bit sRGB intermediates, reducing the amount of memory bandwidth needed at the cost of reduced precision. Whether this is a good tradeoff or not depends on the exact chain and your requirements. - Fix an issue where a (cached) shader program could be used from multiple threads at a time, causing the uniforms to contain unpredictable values. - Make the error printed on check_error() slightly friendlier: Include the enum if possible, and print it to stderr instead of stdout. Movit 1.3.2, February 23rd, 2016 - Fix an issue with initialization in certain locales. Patch from Jean-Baptiste Mardelle. Movit 1.3.1, February 15th, 2016 - Fix an issue where certain effect chains (particularly involving out-of-tree effects that return only a constant color) could cause texture coordinates not to be set properly. (The new code probably also has slightly lower OpenGL driver overhead.) Reported by Christophe Thommeret. Movit 1.3.0, January 31st, 2016 - Movit now requires GLSL 1.30 (so a driver from 2008 or later); before, it claimed to support 1.10, but actually used 1.30 features. Note that some OpenGL drivers, in particular on OS X, only supports GLSL 1.30 (actually, 1.50) if you have an OpenGL core context. - Add a deinterlacer, based on YADIF. - Allow parallel output to RGBA and Y'CbCr textures at the same time. - Make FlatInput and YCbCrInput support taking in external OpenGL textures. Also allow them to change width/height after instantiation. - Various compatibility and performance fixes. In particular, fp16 conversion on older (non-Haswell) CPUs is much faster, due to new conversion code by Fabian Giesen. Movit 1.2.0, September 24th, 2015 - Movit now ships a version.h with a #define MOVIT_VERSION that increases on every API change, including in git. (The number itself carries no semantic meaning beyond this.) Movit 1.2.0 is not API or ABI compatible with 1.1.x, so there has been a soname bump to libmovit.so.3. - More flexible Y'CbCr input; in particular, a special input for 4:2:2 interleaved data (UYVY), and support for semi-planar input (Cb and Cr in the same texture, like in NV12). Note that you should now also set the new “num_levels” member of YCbYCbCrFormat to 256 (signifying 8-bit input), although it is not used yet; this is a stepping stone towards supporting 10- and 12-bit Y'CbCr. - Basic support for Y'CbCr _output_. Currently only 8-bit, and only 4:4:4 (ie., you'll need to subsample yourself afterwards). It is possible to split the output into multiple textures, though, if you want a luma/chroma split (NV12-like) or full planar. - Support top-left origin for output. This is only really useful if you are rendering directly into some memory area with top-left origin; most users will get the expected behavior by using bottom-left as before. - Rework uniform handling for less OpenGL overhead. Note that this means your effects now need to register uniforms in the C++ code instead of declaring them in the .frag file. - Make the PaddingEffect border subpixel-aware, and also support an arbitrary (subpixel) border offset. This means that you can compose PaddingEffect with an integral left/top offset (use the new IntegralPaddingEffect for potentially more speed) and ResampleEffect with a subpixel left/top offset (and zoom to compensate) to get Lanczos interpolation for the pixels and a simple bilinear interpolation for the border itself. - Fix a bug that could cause very bad filter weights in ResampleEffect. - Various performance improvements, in particular with regards to CPU usage in ResampleEffect. Movit 1.1.3, March 29th, 2015 - Fix accuracy issues in ResampleEffect, particularly when zooming. Note that this might cost a few percent performance. Reported by Christophe Thommeret. - Make the number of BlurEffect taps configurable. Based on patch by Christophe Thommeret. - Multiple other bugfixes, some courtesy Dan Dennedy and Christophe Thommeret. In particular, thread-safety fixes related to locales and chain finalization. Movit 1.1.2, August 12th, 2014 - Performance bugfix: Fix texture freelist behavior so that it's LRU instead of the exact opposite. Patch by Christophe Thommeret. - Performance bugfix: Correct the number of blur taps read in the blur filter (it was reading about twice as many as it should). Also found by Christophe Thommeret. Movit 1.1.1, April 12th, 2014 - Fix an issue that could cause assertion failure in ResourcePool when FBOs are reused, especially with NVIDIA's drivers. Movit 1.1, April 10th, 2014 - NOTE: Movit now uses libepoxy rather than GLEW. This is needed because of core context and GLES3 support (see below). Movit 1.1 should be generally API-compatible with 1.0.3 (with the exception of the next point), but is not ABI-compatible, so there has been a soname bump to libmovit.so.2. - NOTE: The rules for using an EffectChain or ResourcePool in multiple OpenGL contexts or threads have changed somewhat; see the comments in resource_pool.h. - Movit will now work in OpenGL core contexts, and on GLES 3.0 or newer. (GLES2 devices are not supported.) This also holds for all unit tests, provided that you use SDL2 and not SDL1 (because SDL2 is needed to set up such contexts). Note that the included demo application still requires a classic OpenGL context. - ResampleEffect can now do sub-pixel translate and/or zoom. - LumaMixEffect now has an “invert” flag, as a convenience to e.g. change a left-to-right wipe into a right-to-left one. - Significant reduction in driver overhead, especially on NVIDIA drivers. - Various smaller bugfixes and performance improvements. Movit 1.0.3, March 16th, 2014 - Yet more build system tweaks mainly related to distribution packaging. Movit 1.0.2, March 16th, 2014 - Make a few tweaks to “make install”, to make distributions' lives easier. Movit 1.0.1, March 16th, 2014 - Fix so that shared libraries are built. Movit 1.0, March 16th, 2014 - Initial release. movit-1.7.1/test_util.h0000644000175000017500000001550614462263704014110 0ustar sessesesse#ifndef _MOVIT_TEST_UTIL_H #define _MOVIT_TEST_UTIL_H 1 #include #ifdef HAVE_BENCHMARK #include #endif #include "effect_chain.h" #include "fp16.h" #include "image_format.h" namespace movit { class Input; class EffectChainTester { public: EffectChainTester(const float *data, unsigned width, unsigned height, MovitPixelFormat pixel_format = FORMAT_GRAYSCALE, Colorspace color_space = COLORSPACE_sRGB, GammaCurve gamma_curve = GAMMA_LINEAR, GLenum framebuffer_format = GL_RGBA16F_ARB); ~EffectChainTester(); EffectChain *get_chain() { return &chain; } Input *add_input(const float *data, MovitPixelFormat pixel_format, Colorspace color_space, GammaCurve gamma_curve, int input_width = -1, int input_height = -1); Input *add_input(const fp16_int_t *data, MovitPixelFormat pixel_format, Colorspace color_space, GammaCurve gamma_curve, int input_width = -1, int input_height = -1); Input *add_input(const unsigned char *data, MovitPixelFormat pixel_format, Colorspace color_space, GammaCurve gamma_curve, int input_width = -1, int input_height = -1); void run(float *out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format = OUTPUT_ALPHA_FORMAT_POSTMULTIPLIED); void run(const std::vector &out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format = OUTPUT_ALPHA_FORMAT_POSTMULTIPLIED); void run(unsigned char *out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format = OUTPUT_ALPHA_FORMAT_POSTMULTIPLIED); void run(const std::vector &out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format = OUTPUT_ALPHA_FORMAT_POSTMULTIPLIED); void run(uint16_t *out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format = OUTPUT_ALPHA_FORMAT_POSTMULTIPLIED); void run_10_10_10_2(uint32_t *out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format = OUTPUT_ALPHA_FORMAT_POSTMULTIPLIED); #ifdef HAVE_BENCHMARK void benchmark(benchmark::State &state, float *out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format = OUTPUT_ALPHA_FORMAT_POSTMULTIPLIED); void benchmark(benchmark::State &state, const std::vector &out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format = OUTPUT_ALPHA_FORMAT_POSTMULTIPLIED); void benchmark(benchmark::State &state, fp16_int_t *out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format = OUTPUT_ALPHA_FORMAT_POSTMULTIPLIED); void benchmark(benchmark::State &state, const std::vector &out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format = OUTPUT_ALPHA_FORMAT_POSTMULTIPLIED); void benchmark(benchmark::State &state, unsigned char *out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format = OUTPUT_ALPHA_FORMAT_POSTMULTIPLIED); void benchmark(benchmark::State &state, const std::vector &out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format = OUTPUT_ALPHA_FORMAT_POSTMULTIPLIED); void benchmark(benchmark::State &state, uint16_t *out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format = OUTPUT_ALPHA_FORMAT_POSTMULTIPLIED); void benchmark_10_10_10_2(benchmark::State &state, uint32_t *out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format = OUTPUT_ALPHA_FORMAT_POSTMULTIPLIED); #endif void add_output(const ImageFormat &format, OutputAlphaFormat alpha_format); void add_ycbcr_output(const ImageFormat &format, OutputAlphaFormat alpha_format, const YCbCrFormat &ycbcr_format, YCbCrOutputSplitting output_splitting = YCBCR_OUTPUT_INTERLEAVED, GLenum output_type = GL_UNSIGNED_BYTE); private: void finalize_chain(Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format); template void internal_run(const std::vector &out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format = OUTPUT_ALPHA_FORMAT_POSTMULTIPLIED #ifdef HAVE_BENCHMARK , benchmark::State *state = nullptr #endif ); EffectChain chain; unsigned width, height; GLenum framebuffer_format; bool output_added; bool finalized; }; void expect_equal(const float *ref, const float *result, unsigned width, unsigned height, float largest_difference_limit = 1.5 / 255.0, float rms_limit = 0.2 / 255.0); void expect_equal(const unsigned char *ref, const unsigned char *result, unsigned width, unsigned height, unsigned largest_difference_limit = 1, float rms_limit = 0.2); void expect_equal(const uint16_t *ref, const uint16_t *result, unsigned width, unsigned height, unsigned largest_difference_limit = 1, float rms_limit = 0.2); void expect_equal(const int *ref, const int *result, unsigned width, unsigned height, unsigned largest_difference_limit = 1, float rms_limit = 0.2); void test_accuracy(const float *expected, const float *result, unsigned num_values, double absolute_error_limit, double relative_error_limit, double local_relative_error_limit, double rms_limit); // Convert an sRGB encoded value (0.0 to 1.0, inclusive) to linear light. // Undefined for values outside 0.0..1.0. double srgb_to_linear(double x); // Convert a value in linear light (0.0 to 1.0, inclusive) to sRGB. // Undefined for values outside 0.0..1.0. double linear_to_srgb(double x); // A RAII class to pretend temporarily that we don't support compute shaders // even if we do. Useful for testing or benchmarking the fragment shader path // also on systems that support compute shaders. class DisableComputeShadersTemporarily { public: // If disable_compute_shaders is false, this class effectively does nothing. // Otherwise, sets movit_compute_shaders_supported unconditionally to false. DisableComputeShadersTemporarily(bool disable_compute_shaders); // Restore the old value of movit_compute_shaders_supported. ~DisableComputeShadersTemporarily(); // Whether the current test should be skipped due to lack of compute shaders // (ie., disable_compute_shaders was _false_, but the system does not support // compute shaders). Will also output a message to stderr if so. bool should_skip(); #ifdef HAVE_BENCHMARK // Same, but outputs a message to the benchmark instead of to stderr. bool should_skip(benchmark::State *benchmark_state); #endif bool active() const { return disable_compute_shaders; } private: bool disable_compute_shaders, saved_compute_shaders_supported; }; } // namespace movit #endif // !defined(_MOVIT_TEST_UTIL_H) movit-1.7.1/widgets.h0000644000175000017500000000066114462263704013536 0ustar sessesesse#ifndef _MOVIT_WIDGETS_H #define _MOVIT_WIDGETS_H 1 // Some simple UI widgets for test use. namespace movit { void draw_hsv_wheel(float y, float rad, float theta, float value); void draw_saturation_bar(float y, float saturation); void init_hsv_resources(); void cleanup_hsv_resources(); void read_colorwheel(float xf, float yf, float *rad, float *theta, float *value); } // namespace movit #endif // !defined(_MOVIT_WIDGETS_H) movit-1.7.1/bundled_shaders.h0000644000175000017500000000062114462263704015212 0ustar sessesesse#ifndef _MOVIT_BUNDLED_SHADERS_H #define _MOVIT_BUNDLED_SHADERS_H 1 // Shader files that are compiled into the library. namespace movit { struct BundledShader { const char *filename; // nullptr for end. size_t offset; // Into shader_bundle. size_t length; }; extern BundledShader bundled_shaders[]; extern const char *shader_bundle; } // namespace movit #endif // _MOVIT_BUNDLED_SHADERS_H movit-1.7.1/aclocal.m40000644000175000017500000124376314462263705013575 0ustar sessesesse# generated automatically by aclocal 1.16.5 -*- Autoconf -*- # Copyright (C) 1996-2021 Free Software Foundation, Inc. # This file is free software; the Free Software Foundation # gives unlimited permission to copy and/or distribute it, # with or without modifications, as long as this notice is preserved. # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY, to the extent permitted by law; without # even the implied warranty of MERCHANTABILITY or FITNESS FOR A # PARTICULAR PURPOSE. m4_ifndef([AC_CONFIG_MACRO_DIRS], [m4_defun([_AM_CONFIG_MACRO_DIRS], [])m4_defun([AC_CONFIG_MACRO_DIRS], [_AM_CONFIG_MACRO_DIRS($@)])]) # libtool.m4 - Configure libtool for the host system. -*-Autoconf-*- # # Copyright (C) 1996-2001, 2003-2019, 2021-2022 Free Software # Foundation, Inc. # Written by Gordon Matzigkeit, 1996 # # This file is free software; the Free Software Foundation gives # unlimited permission to copy and/or distribute it, with or without # modifications, as long as this notice is preserved. m4_define([_LT_COPYING], [dnl # Copyright (C) 2014 Free Software Foundation, Inc. # This is free software; see the source for copying conditions. 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Use them if available. if ${LD-ld} -V | grep _sol2 >/dev/null 2>&1; then LD=${LD-ld}_sol2 fi ;; *) if ${LD-ld} -64 -r -o conftest2.o conftest.o >/dev/null 2>&1; then LD="${LD-ld} -64" fi ;; esac ;; esac fi rm -rf conftest* ;; esac need_locks=$enable_libtool_lock ])# _LT_ENABLE_LOCK # _LT_PROG_AR # ----------- m4_defun([_LT_PROG_AR], [AC_CHECK_TOOLS(AR, [ar], false) : ${AR=ar} _LT_DECL([], [AR], [1], [The archiver]) # Use ARFLAGS variable as AR's operation code to sync the variable naming with # Automake. If both AR_FLAGS and ARFLAGS are specified, AR_FLAGS should have # higher priority because thats what people were doing historically (setting # ARFLAGS for automake and AR_FLAGS for libtool). FIXME: Make the AR_FLAGS # variable obsoleted/removed. test ${AR_FLAGS+y} || AR_FLAGS=${ARFLAGS-cr} lt_ar_flags=$AR_FLAGS _LT_DECL([], [lt_ar_flags], [0], [Flags to create an archive (by configure)]) # Make AR_FLAGS overridable by 'make ARFLAGS='. Don't try to run-time override # by AR_FLAGS because that was never working and AR_FLAGS is about to die. _LT_DECL([], [AR_FLAGS], [\@S|@{ARFLAGS-"\@S|@lt_ar_flags"}], [Flags to create an archive]) AC_CACHE_CHECK([for archiver @FILE support], [lt_cv_ar_at_file], [lt_cv_ar_at_file=no AC_COMPILE_IFELSE([AC_LANG_PROGRAM], [echo conftest.$ac_objext > conftest.lst lt_ar_try='$AR $AR_FLAGS libconftest.a @conftest.lst >&AS_MESSAGE_LOG_FD' AC_TRY_EVAL([lt_ar_try]) if test 0 -eq "$ac_status"; then # Ensure the archiver fails upon bogus file names. rm -f conftest.$ac_objext libconftest.a AC_TRY_EVAL([lt_ar_try]) if test 0 -ne "$ac_status"; then lt_cv_ar_at_file=@ fi fi rm -f conftest.* libconftest.a ]) ]) if test no = "$lt_cv_ar_at_file"; then archiver_list_spec= else archiver_list_spec=$lt_cv_ar_at_file fi _LT_DECL([], [archiver_list_spec], [1], [How to feed a file listing to the archiver]) ])# _LT_PROG_AR # _LT_CMD_OLD_ARCHIVE # ------------------- m4_defun([_LT_CMD_OLD_ARCHIVE], [_LT_PROG_AR AC_CHECK_TOOL(STRIP, strip, :) test -z "$STRIP" && STRIP=: _LT_DECL([], [STRIP], [1], [A symbol stripping program]) AC_CHECK_TOOL(RANLIB, ranlib, :) test -z "$RANLIB" && RANLIB=: _LT_DECL([], [RANLIB], [1], [Commands used to install an old-style archive]) # Determine commands to create old-style static archives. old_archive_cmds='$AR $AR_FLAGS $oldlib$oldobjs' old_postinstall_cmds='chmod 644 $oldlib' old_postuninstall_cmds= if test -n "$RANLIB"; then case $host_os in bitrig* | openbsd*) old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB -t \$tool_oldlib" ;; *) old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB \$tool_oldlib" ;; esac old_archive_cmds="$old_archive_cmds~\$RANLIB \$tool_oldlib" fi case $host_os in darwin*) lock_old_archive_extraction=yes ;; *) lock_old_archive_extraction=no ;; esac _LT_DECL([], [old_postinstall_cmds], [2]) _LT_DECL([], [old_postuninstall_cmds], [2]) _LT_TAGDECL([], [old_archive_cmds], [2], [Commands used to build an old-style archive]) _LT_DECL([], [lock_old_archive_extraction], [0], [Whether to use a lock for old archive extraction]) ])# _LT_CMD_OLD_ARCHIVE # _LT_COMPILER_OPTION(MESSAGE, VARIABLE-NAME, FLAGS, # [OUTPUT-FILE], [ACTION-SUCCESS], [ACTION-FAILURE]) # ---------------------------------------------------------------- # Check whether the given compiler option works AC_DEFUN([_LT_COMPILER_OPTION], [m4_require([_LT_FILEUTILS_DEFAULTS])dnl m4_require([_LT_DECL_SED])dnl AC_CACHE_CHECK([$1], [$2], [$2=no m4_if([$4], , [ac_outfile=conftest.$ac_objext], [ac_outfile=$4]) echo "$lt_simple_compile_test_code" > conftest.$ac_ext lt_compiler_flag="$3" ## exclude from sc_useless_quotes_in_assignment # Insert the option either (1) after the last *FLAGS variable, or # (2) before a word containing "conftest.", or (3) at the end. # Note that $ac_compile itself does not contain backslashes and begins # with a dollar sign (not a hyphen), so the echo should work correctly. # The option is referenced via a variable to avoid confusing sed. lt_compile=`echo "$ac_compile" | $SED \ -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ -e 's: [[^ ]]*conftest\.: $lt_compiler_flag&:; t' \ -e 's:$: $lt_compiler_flag:'` (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&AS_MESSAGE_LOG_FD) (eval "$lt_compile" 2>conftest.err) ac_status=$? cat conftest.err >&AS_MESSAGE_LOG_FD echo "$as_me:$LINENO: \$? = $ac_status" >&AS_MESSAGE_LOG_FD if (exit $ac_status) && test -s "$ac_outfile"; then # The compiler can only warn and ignore the option if not recognized # So say no if there are warnings other than the usual output. $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' >conftest.exp $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2 if test ! -s conftest.er2 || diff conftest.exp conftest.er2 >/dev/null; then $2=yes fi fi $RM conftest* ]) if test yes = "[$]$2"; then m4_if([$5], , :, [$5]) else m4_if([$6], , :, [$6]) fi ])# _LT_COMPILER_OPTION # Old name: AU_ALIAS([AC_LIBTOOL_COMPILER_OPTION], [_LT_COMPILER_OPTION]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AC_LIBTOOL_COMPILER_OPTION], []) # _LT_LINKER_OPTION(MESSAGE, VARIABLE-NAME, FLAGS, # [ACTION-SUCCESS], [ACTION-FAILURE]) # ---------------------------------------------------- # Check whether the given linker option works AC_DEFUN([_LT_LINKER_OPTION], [m4_require([_LT_FILEUTILS_DEFAULTS])dnl m4_require([_LT_DECL_SED])dnl AC_CACHE_CHECK([$1], [$2], [$2=no save_LDFLAGS=$LDFLAGS LDFLAGS="$LDFLAGS $3" echo "$lt_simple_link_test_code" > conftest.$ac_ext if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then # The linker can only warn and ignore the option if not recognized # So say no if there are warnings if test -s conftest.err; then # Append any errors to the config.log. cat conftest.err 1>&AS_MESSAGE_LOG_FD $ECHO "$_lt_linker_boilerplate" | $SED '/^$/d' > conftest.exp $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2 if diff conftest.exp conftest.er2 >/dev/null; then $2=yes fi else $2=yes fi fi $RM -r conftest* LDFLAGS=$save_LDFLAGS ]) if test yes = "[$]$2"; then m4_if([$4], , :, [$4]) else m4_if([$5], , :, [$5]) fi ])# _LT_LINKER_OPTION # Old name: AU_ALIAS([AC_LIBTOOL_LINKER_OPTION], [_LT_LINKER_OPTION]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AC_LIBTOOL_LINKER_OPTION], []) # LT_CMD_MAX_LEN #--------------- AC_DEFUN([LT_CMD_MAX_LEN], [AC_REQUIRE([AC_CANONICAL_HOST])dnl # find the maximum length of command line arguments AC_MSG_CHECKING([the maximum length of command line arguments]) AC_CACHE_VAL([lt_cv_sys_max_cmd_len], [dnl i=0 teststring=ABCD case $build_os in msdosdjgpp*) # On DJGPP, this test can blow up pretty badly due to problems in libc # (any single argument exceeding 2000 bytes causes a buffer overrun # during glob expansion). Even if it were fixed, the result of this # check would be larger than it should be. lt_cv_sys_max_cmd_len=12288; # 12K is about right ;; gnu*) # Under GNU Hurd, this test is not required because there is # no limit to the length of command line arguments. # Libtool will interpret -1 as no limit whatsoever lt_cv_sys_max_cmd_len=-1; ;; cygwin* | mingw* | cegcc*) # On Win9x/ME, this test blows up -- it succeeds, but takes # about 5 minutes as the teststring grows exponentially. # Worse, since 9x/ME are not pre-emptively multitasking, # you end up with a "frozen" computer, even though with patience # the test eventually succeeds (with a max line length of 256k). # Instead, let's just punt: use the minimum linelength reported by # all of the supported platforms: 8192 (on NT/2K/XP). lt_cv_sys_max_cmd_len=8192; ;; mint*) # On MiNT this can take a long time and run out of memory. lt_cv_sys_max_cmd_len=8192; ;; amigaos*) # On AmigaOS with pdksh, this test takes hours, literally. # So we just punt and use a minimum line length of 8192. lt_cv_sys_max_cmd_len=8192; ;; bitrig* | darwin* | dragonfly* | freebsd* | midnightbsd* | netbsd* | openbsd*) # This has been around since 386BSD, at least. Likely further. if test -x /sbin/sysctl; then lt_cv_sys_max_cmd_len=`/sbin/sysctl -n kern.argmax` elif test -x /usr/sbin/sysctl; then lt_cv_sys_max_cmd_len=`/usr/sbin/sysctl -n kern.argmax` else lt_cv_sys_max_cmd_len=65536 # usable default for all BSDs fi # And add a safety zone lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4` lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3` ;; interix*) # We know the value 262144 and hardcode it with a safety zone (like BSD) lt_cv_sys_max_cmd_len=196608 ;; os2*) # The test takes a long time on OS/2. lt_cv_sys_max_cmd_len=8192 ;; osf*) # Dr. Hans Ekkehard Plesser reports seeing a kernel panic running configure # due to this test when exec_disable_arg_limit is 1 on Tru64. It is not # nice to cause kernel panics so lets avoid the loop below. # First set a reasonable default. lt_cv_sys_max_cmd_len=16384 # if test -x /sbin/sysconfig; then case `/sbin/sysconfig -q proc exec_disable_arg_limit` in *1*) lt_cv_sys_max_cmd_len=-1 ;; esac fi ;; sco3.2v5*) lt_cv_sys_max_cmd_len=102400 ;; sysv5* | sco5v6* | sysv4.2uw2*) kargmax=`grep ARG_MAX /etc/conf/cf.d/stune 2>/dev/null` if test -n "$kargmax"; then lt_cv_sys_max_cmd_len=`echo $kargmax | $SED 's/.*[[ ]]//'` else lt_cv_sys_max_cmd_len=32768 fi ;; *) lt_cv_sys_max_cmd_len=`(getconf ARG_MAX) 2> /dev/null` if test -n "$lt_cv_sys_max_cmd_len" && \ test undefined != "$lt_cv_sys_max_cmd_len"; then lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4` lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3` else # Make teststring a little bigger before we do anything with it. # a 1K string should be a reasonable start. for i in 1 2 3 4 5 6 7 8; do teststring=$teststring$teststring done SHELL=${SHELL-${CONFIG_SHELL-/bin/sh}} # If test is not a shell built-in, we'll probably end up computing a # maximum length that is only half of the actual maximum length, but # we can't tell. while { test X`env echo "$teststring$teststring" 2>/dev/null` \ = "X$teststring$teststring"; } >/dev/null 2>&1 && test 17 != "$i" # 1/2 MB should be enough do i=`expr $i + 1` teststring=$teststring$teststring done # Only check the string length outside the loop. lt_cv_sys_max_cmd_len=`expr "X$teststring" : ".*" 2>&1` teststring= # Add a significant safety factor because C++ compilers can tack on # massive amounts of additional arguments before passing them to the # linker. It appears as though 1/2 is a usable value. lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 2` fi ;; esac ]) if test -n "$lt_cv_sys_max_cmd_len"; then AC_MSG_RESULT($lt_cv_sys_max_cmd_len) else AC_MSG_RESULT(none) fi max_cmd_len=$lt_cv_sys_max_cmd_len _LT_DECL([], [max_cmd_len], [0], [What is the maximum length of a command?]) ])# LT_CMD_MAX_LEN # Old name: AU_ALIAS([AC_LIBTOOL_SYS_MAX_CMD_LEN], [LT_CMD_MAX_LEN]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AC_LIBTOOL_SYS_MAX_CMD_LEN], []) # _LT_HEADER_DLFCN # ---------------- m4_defun([_LT_HEADER_DLFCN], [AC_CHECK_HEADERS([dlfcn.h], [], [], [AC_INCLUDES_DEFAULT])dnl ])# _LT_HEADER_DLFCN # _LT_TRY_DLOPEN_SELF (ACTION-IF-TRUE, ACTION-IF-TRUE-W-USCORE, # ACTION-IF-FALSE, ACTION-IF-CROSS-COMPILING) # ---------------------------------------------------------------- m4_defun([_LT_TRY_DLOPEN_SELF], [m4_require([_LT_HEADER_DLFCN])dnl if test yes = "$cross_compiling"; then : [$4] else lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 lt_status=$lt_dlunknown cat > conftest.$ac_ext <<_LT_EOF [#line $LINENO "configure" #include "confdefs.h" #if HAVE_DLFCN_H #include #endif #include #ifdef RTLD_GLOBAL # define LT_DLGLOBAL RTLD_GLOBAL #else # ifdef DL_GLOBAL # define LT_DLGLOBAL DL_GLOBAL # else # define LT_DLGLOBAL 0 # endif #endif /* We may have to define LT_DLLAZY_OR_NOW in the command line if we find out it does not work in some platform. */ #ifndef LT_DLLAZY_OR_NOW # ifdef RTLD_LAZY # define LT_DLLAZY_OR_NOW RTLD_LAZY # else # ifdef DL_LAZY # define LT_DLLAZY_OR_NOW DL_LAZY # else # ifdef RTLD_NOW # define LT_DLLAZY_OR_NOW RTLD_NOW # else # ifdef DL_NOW # define LT_DLLAZY_OR_NOW DL_NOW # else # define LT_DLLAZY_OR_NOW 0 # endif # endif # endif # endif #endif /* When -fvisibility=hidden is used, assume the code has been annotated correspondingly for the symbols needed. */ #if defined __GNUC__ && (((__GNUC__ == 3) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 3)) int fnord () __attribute__((visibility("default"))); #endif int fnord () { return 42; } int main () { void *self = dlopen (0, LT_DLGLOBAL|LT_DLLAZY_OR_NOW); int status = $lt_dlunknown; if (self) { if (dlsym (self,"fnord")) status = $lt_dlno_uscore; else { if (dlsym( self,"_fnord")) status = $lt_dlneed_uscore; else puts (dlerror ()); } /* dlclose (self); */ } else puts (dlerror ()); return status; }] _LT_EOF if AC_TRY_EVAL(ac_link) && test -s "conftest$ac_exeext" 2>/dev/null; then (./conftest; exit; ) >&AS_MESSAGE_LOG_FD 2>/dev/null lt_status=$? case x$lt_status in x$lt_dlno_uscore) $1 ;; x$lt_dlneed_uscore) $2 ;; x$lt_dlunknown|x*) $3 ;; esac else : # compilation failed $3 fi fi rm -fr conftest* ])# _LT_TRY_DLOPEN_SELF # LT_SYS_DLOPEN_SELF # ------------------ AC_DEFUN([LT_SYS_DLOPEN_SELF], [m4_require([_LT_HEADER_DLFCN])dnl if test yes != "$enable_dlopen"; then enable_dlopen=unknown enable_dlopen_self=unknown enable_dlopen_self_static=unknown else lt_cv_dlopen=no lt_cv_dlopen_libs= case $host_os in beos*) lt_cv_dlopen=load_add_on lt_cv_dlopen_libs= lt_cv_dlopen_self=yes ;; mingw* | pw32* | cegcc*) lt_cv_dlopen=LoadLibrary lt_cv_dlopen_libs= ;; cygwin*) lt_cv_dlopen=dlopen lt_cv_dlopen_libs= ;; darwin*) # if libdl is installed we need to link against it AC_CHECK_LIB([dl], [dlopen], [lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-ldl],[ lt_cv_dlopen=dyld lt_cv_dlopen_libs= lt_cv_dlopen_self=yes ]) ;; tpf*) # Don't try to run any link tests for TPF. We know it's impossible # because TPF is a cross-compiler, and we know how we open DSOs. lt_cv_dlopen=dlopen lt_cv_dlopen_libs= lt_cv_dlopen_self=no ;; *) AC_CHECK_FUNC([shl_load], [lt_cv_dlopen=shl_load], [AC_CHECK_LIB([dld], [shl_load], [lt_cv_dlopen=shl_load lt_cv_dlopen_libs=-ldld], [AC_CHECK_FUNC([dlopen], [lt_cv_dlopen=dlopen], [AC_CHECK_LIB([dl], [dlopen], [lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-ldl], [AC_CHECK_LIB([svld], [dlopen], [lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-lsvld], [AC_CHECK_LIB([dld], [dld_link], [lt_cv_dlopen=dld_link lt_cv_dlopen_libs=-ldld]) ]) ]) ]) ]) ]) ;; esac if test no = "$lt_cv_dlopen"; then enable_dlopen=no else enable_dlopen=yes fi case $lt_cv_dlopen in dlopen) save_CPPFLAGS=$CPPFLAGS test yes = "$ac_cv_header_dlfcn_h" && CPPFLAGS="$CPPFLAGS -DHAVE_DLFCN_H" save_LDFLAGS=$LDFLAGS wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $export_dynamic_flag_spec\" save_LIBS=$LIBS LIBS="$lt_cv_dlopen_libs $LIBS" AC_CACHE_CHECK([whether a program can dlopen itself], lt_cv_dlopen_self, [dnl _LT_TRY_DLOPEN_SELF( lt_cv_dlopen_self=yes, lt_cv_dlopen_self=yes, lt_cv_dlopen_self=no, lt_cv_dlopen_self=cross) ]) if test yes = "$lt_cv_dlopen_self"; 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esac # HP-UX runs *really* slowly unless shared libraries are mode 555, ... postinstall_cmds='chmod 555 $lib' # or fails outright, so override atomically: install_override_mode=555 ;; interix[[3-9]]*) version_type=linux # correct to gnu/linux during the next big refactor need_lib_prefix=no need_version=no library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' dynamic_linker='Interix 3.x ld.so.1 (PE, like ELF)' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no hardcode_into_libs=yes ;; irix5* | irix6* | nonstopux*) case $host_os in nonstopux*) version_type=nonstopux ;; *) if test yes = "$lt_cv_prog_gnu_ld"; then version_type=linux # correct to gnu/linux during the next big refactor else version_type=irix fi ;; esac need_lib_prefix=no need_version=no soname_spec='$libname$release$shared_ext$major' library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$release$shared_ext $libname$shared_ext' case $host_os in irix5* | nonstopux*) libsuff= shlibsuff= ;; *) case $LD in # libtool.m4 will add one of these switches to LD *-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ") libsuff= shlibsuff= libmagic=32-bit;; *-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ") libsuff=32 shlibsuff=N32 libmagic=N32;; *-64|*"-64 "|*-melf64bmip|*"-melf64bmip ") libsuff=64 shlibsuff=64 libmagic=64-bit;; *) libsuff= shlibsuff= libmagic=never-match;; esac ;; esac shlibpath_var=LD_LIBRARY${shlibsuff}_PATH shlibpath_overrides_runpath=no sys_lib_search_path_spec="/usr/lib$libsuff /lib$libsuff /usr/local/lib$libsuff" sys_lib_dlsearch_path_spec="/usr/lib$libsuff /lib$libsuff" hardcode_into_libs=yes ;; # No shared lib support for Linux oldld, aout, or coff. linux*oldld* | linux*aout* | linux*coff*) dynamic_linker=no ;; linux*android*) version_type=none # Android doesn't support versioned libraries. need_lib_prefix=no need_version=no library_names_spec='$libname$release$shared_ext' soname_spec='$libname$release$shared_ext' finish_cmds= shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes # This implies no fast_install, which is unacceptable. # Some rework will be needed to allow for fast_install # before this can be enabled. hardcode_into_libs=yes dynamic_linker='Android linker' # Don't embed -rpath directories since the linker doesn't support them. _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' ;; 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then case $cc_basename in nvcc*) _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=' -Xcompiler -fno-builtin' ;; *) _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=' -fno-builtin' ;; esac _LT_COMPILER_OPTION([if $compiler supports -fno-rtti -fno-exceptions], lt_cv_prog_compiler_rtti_exceptions, [-fno-rtti -fno-exceptions], [], [_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)="$_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1) -fno-rtti -fno-exceptions"]) fi _LT_TAGDECL([no_builtin_flag], [lt_prog_compiler_no_builtin_flag], [1], [Compiler flag to turn off builtin functions]) ])# _LT_COMPILER_NO_RTTI # _LT_CMD_GLOBAL_SYMBOLS # ---------------------- m4_defun([_LT_CMD_GLOBAL_SYMBOLS], [AC_REQUIRE([AC_CANONICAL_HOST])dnl AC_REQUIRE([AC_PROG_CC])dnl AC_REQUIRE([AC_PROG_AWK])dnl AC_REQUIRE([LT_PATH_NM])dnl AC_REQUIRE([LT_PATH_LD])dnl m4_require([_LT_DECL_SED])dnl m4_require([_LT_DECL_EGREP])dnl m4_require([_LT_TAG_COMPILER])dnl # Check for command to grab the raw symbol name followed by C symbol from nm. AC_MSG_CHECKING([command to parse $NM output from $compiler object]) AC_CACHE_VAL([lt_cv_sys_global_symbol_pipe], [ # These are sane defaults that work on at least a few old systems. # [They come from Ultrix. What could be older than Ultrix?!! ;)] # Character class describing NM global symbol codes. symcode='[[BCDEGRST]]' # Regexp to match symbols that can be accessed directly from C. sympat='\([[_A-Za-z]][[_A-Za-z0-9]]*\)' # Define system-specific variables. case $host_os in aix*) symcode='[[BCDT]]' ;; cygwin* | mingw* | pw32* | cegcc*) symcode='[[ABCDGISTW]]' ;; hpux*) if test ia64 = "$host_cpu"; then symcode='[[ABCDEGRST]]' fi ;; irix* | nonstopux*) symcode='[[BCDEGRST]]' ;; osf*) symcode='[[BCDEGQRST]]' ;; solaris*) symcode='[[BDRT]]' ;; sco3.2v5*) symcode='[[DT]]' ;; sysv4.2uw2*) symcode='[[DT]]' ;; sysv5* | sco5v6* | unixware* | OpenUNIX*) symcode='[[ABDT]]' ;; sysv4) symcode='[[DFNSTU]]' ;; esac # If we're using GNU nm, then use its standard symbol codes. case `$NM -V 2>&1` in *GNU* | *'with BFD'*) symcode='[[ABCDGIRSTW]]' ;; esac if test "$lt_cv_nm_interface" = "MS dumpbin"; then # Gets list of data symbols to import. lt_cv_sys_global_symbol_to_import="$SED -n -e 's/^I .* \(.*\)$/\1/p'" # Adjust the below global symbol transforms to fixup imported variables. lt_cdecl_hook=" -e 's/^I .* \(.*\)$/extern __declspec(dllimport) char \1;/p'" lt_c_name_hook=" -e 's/^I .* \(.*\)$/ {\"\1\", (void *) 0},/p'" lt_c_name_lib_hook="\ -e 's/^I .* \(lib.*\)$/ {\"\1\", (void *) 0},/p'\ -e 's/^I .* \(.*\)$/ {\"lib\1\", (void *) 0},/p'" else # Disable hooks by default. lt_cv_sys_global_symbol_to_import= lt_cdecl_hook= lt_c_name_hook= lt_c_name_lib_hook= fi # Transform an extracted symbol line into a proper C declaration. # Some systems (esp. on ia64) link data and code symbols differently, # so use this general approach. lt_cv_sys_global_symbol_to_cdecl="$SED -n"\ $lt_cdecl_hook\ " -e 's/^T .* \(.*\)$/extern int \1();/p'"\ " -e 's/^$symcode$symcode* .* \(.*\)$/extern char \1;/p'" # Transform an extracted symbol line into symbol name and symbol address lt_cv_sys_global_symbol_to_c_name_address="$SED -n"\ $lt_c_name_hook\ " -e 's/^: \(.*\) .*$/ {\"\1\", (void *) 0},/p'"\ " -e 's/^$symcode$symcode* .* \(.*\)$/ {\"\1\", (void *) \&\1},/p'" # Transform an extracted symbol line into symbol name with lib prefix and # symbol address. lt_cv_sys_global_symbol_to_c_name_address_lib_prefix="$SED -n"\ $lt_c_name_lib_hook\ " -e 's/^: \(.*\) .*$/ {\"\1\", (void *) 0},/p'"\ " -e 's/^$symcode$symcode* .* \(lib.*\)$/ {\"\1\", (void *) \&\1},/p'"\ " -e 's/^$symcode$symcode* .* \(.*\)$/ {\"lib\1\", (void *) \&\1},/p'" # Handle CRLF in mingw tool chain opt_cr= case $build_os in mingw*) opt_cr=`$ECHO 'x\{0,1\}' | tr x '\015'` # option cr in regexp ;; esac # Try without a prefix underscore, then with it. for ac_symprfx in "" "_"; do # Transform symcode, sympat, and symprfx into a raw symbol and a C symbol. symxfrm="\\1 $ac_symprfx\\2 \\2" # Write the raw and C identifiers. if test "$lt_cv_nm_interface" = "MS dumpbin"; then # Fake it for dumpbin and say T for any non-static function, # D for any global variable and I for any imported variable. # Also find C++ and __fastcall symbols from MSVC++ or ICC, # which start with @ or ?. lt_cv_sys_global_symbol_pipe="$AWK ['"\ " {last_section=section; section=\$ 3};"\ " /^COFF SYMBOL TABLE/{for(i in hide) delete hide[i]};"\ " /Section length .*#relocs.*(pick any)/{hide[last_section]=1};"\ " /^ *Symbol name *: /{split(\$ 0,sn,\":\"); si=substr(sn[2],2)};"\ " /^ *Type *: code/{print \"T\",si,substr(si,length(prfx))};"\ " /^ *Type *: data/{print \"I\",si,substr(si,length(prfx))};"\ " \$ 0!~/External *\|/{next};"\ " / 0+ UNDEF /{next}; / UNDEF \([^|]\)*()/{next};"\ " {if(hide[section]) next};"\ " {f=\"D\"}; \$ 0~/\(\).*\|/{f=\"T\"};"\ " {split(\$ 0,a,/\||\r/); split(a[2],s)};"\ " s[1]~/^[@?]/{print f,s[1],s[1]; next};"\ " s[1]~prfx {split(s[1],t,\"@\"); print f,t[1],substr(t[1],length(prfx))}"\ " ' prfx=^$ac_symprfx]" else lt_cv_sys_global_symbol_pipe="$SED -n -e 's/^.*[[ ]]\($symcode$symcode*\)[[ ]][[ ]]*$ac_symprfx$sympat$opt_cr$/$symxfrm/p'" fi lt_cv_sys_global_symbol_pipe="$lt_cv_sys_global_symbol_pipe | $SED '/ __gnu_lto/d'" # Check to see that the pipe works correctly. pipe_works=no rm -f conftest* cat > conftest.$ac_ext <<_LT_EOF #ifdef __cplusplus extern "C" { #endif char nm_test_var; void nm_test_func(void); void nm_test_func(void){} #ifdef __cplusplus } #endif int main(){nm_test_var='a';nm_test_func();return(0);} _LT_EOF if AC_TRY_EVAL(ac_compile); then # Now try to grab the symbols. nlist=conftest.nm $ECHO "$as_me:$LINENO: $NM conftest.$ac_objext | $lt_cv_sys_global_symbol_pipe > $nlist" >&AS_MESSAGE_LOG_FD if eval "$NM" conftest.$ac_objext \| "$lt_cv_sys_global_symbol_pipe" \> $nlist 2>&AS_MESSAGE_LOG_FD && test -s "$nlist"; then # Try sorting and uniquifying the output. if sort "$nlist" | uniq > "$nlist"T; then mv -f "$nlist"T "$nlist" else rm -f "$nlist"T fi # Make sure that we snagged all the symbols we need. if $GREP ' nm_test_var$' "$nlist" >/dev/null; then if $GREP ' nm_test_func$' "$nlist" >/dev/null; then cat <<_LT_EOF > conftest.$ac_ext /* Keep this code in sync between libtool.m4, ltmain, lt_system.h, and tests. */ #if defined _WIN32 || defined __CYGWIN__ || defined _WIN32_WCE /* DATA imports from DLLs on WIN32 can't be const, because runtime relocations are performed -- see ld's documentation on pseudo-relocs. */ # define LT@&t@_DLSYM_CONST #elif defined __osf__ /* This system does not cope well with relocations in const data. */ # define LT@&t@_DLSYM_CONST #else # define LT@&t@_DLSYM_CONST const #endif #ifdef __cplusplus extern "C" { #endif _LT_EOF # Now generate the symbol file. eval "$lt_cv_sys_global_symbol_to_cdecl"' < "$nlist" | $GREP -v main >> conftest.$ac_ext' cat <<_LT_EOF >> conftest.$ac_ext /* The mapping between symbol names and symbols. */ LT@&t@_DLSYM_CONST struct { const char *name; void *address; } lt__PROGRAM__LTX_preloaded_symbols[[]] = { { "@PROGRAM@", (void *) 0 }, _LT_EOF $SED "s/^$symcode$symcode* .* \(.*\)$/ {\"\1\", (void *) \&\1},/" < "$nlist" | $GREP -v main >> conftest.$ac_ext cat <<\_LT_EOF >> conftest.$ac_ext {0, (void *) 0} }; /* This works around a problem in FreeBSD linker */ #ifdef FREEBSD_WORKAROUND static const void *lt_preloaded_setup() { return lt__PROGRAM__LTX_preloaded_symbols; } #endif #ifdef __cplusplus } #endif _LT_EOF # Now try linking the two files. mv conftest.$ac_objext conftstm.$ac_objext lt_globsym_save_LIBS=$LIBS lt_globsym_save_CFLAGS=$CFLAGS LIBS=conftstm.$ac_objext CFLAGS="$CFLAGS$_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)" if AC_TRY_EVAL(ac_link) && test -s conftest$ac_exeext; then pipe_works=yes fi LIBS=$lt_globsym_save_LIBS CFLAGS=$lt_globsym_save_CFLAGS else echo "cannot find nm_test_func in $nlist" >&AS_MESSAGE_LOG_FD fi else echo "cannot find nm_test_var in $nlist" >&AS_MESSAGE_LOG_FD fi else echo "cannot run $lt_cv_sys_global_symbol_pipe" >&AS_MESSAGE_LOG_FD fi else echo "$progname: failed program was:" >&AS_MESSAGE_LOG_FD cat conftest.$ac_ext >&5 fi rm -rf conftest* conftst* # Do not use the global_symbol_pipe unless it works. if test yes = "$pipe_works"; then break else lt_cv_sys_global_symbol_pipe= fi done ]) if test -z "$lt_cv_sys_global_symbol_pipe"; then lt_cv_sys_global_symbol_to_cdecl= fi if test -z "$lt_cv_sys_global_symbol_pipe$lt_cv_sys_global_symbol_to_cdecl"; then AC_MSG_RESULT(failed) else AC_MSG_RESULT(ok) fi # Response file support. if test "$lt_cv_nm_interface" = "MS dumpbin"; then nm_file_list_spec='@' elif $NM --help 2>/dev/null | grep '[[@]]FILE' >/dev/null; then nm_file_list_spec='@' fi _LT_DECL([global_symbol_pipe], [lt_cv_sys_global_symbol_pipe], [1], [Take the output of nm and produce a listing of raw symbols and C names]) _LT_DECL([global_symbol_to_cdecl], [lt_cv_sys_global_symbol_to_cdecl], [1], [Transform the output of nm in a proper C declaration]) _LT_DECL([global_symbol_to_import], [lt_cv_sys_global_symbol_to_import], [1], [Transform the output of nm into a list of symbols to manually relocate]) _LT_DECL([global_symbol_to_c_name_address], [lt_cv_sys_global_symbol_to_c_name_address], [1], [Transform the output of nm in a C name address pair]) _LT_DECL([global_symbol_to_c_name_address_lib_prefix], [lt_cv_sys_global_symbol_to_c_name_address_lib_prefix], [1], [Transform the output of nm in a C name address pair when lib prefix is needed]) _LT_DECL([nm_interface], [lt_cv_nm_interface], [1], [The name lister interface]) _LT_DECL([], [nm_file_list_spec], [1], [Specify filename containing input files for $NM]) ]) # _LT_CMD_GLOBAL_SYMBOLS # _LT_COMPILER_PIC([TAGNAME]) # --------------------------- m4_defun([_LT_COMPILER_PIC], [m4_require([_LT_TAG_COMPILER])dnl _LT_TAGVAR(lt_prog_compiler_wl, $1)= _LT_TAGVAR(lt_prog_compiler_pic, $1)= _LT_TAGVAR(lt_prog_compiler_static, $1)= m4_if([$1], [CXX], [ # C++ specific cases for pic, static, wl, etc. if test yes = "$GXX"; then _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' case $host_os in aix*) # All AIX code is PIC. if test ia64 = "$host_cpu"; then # AIX 5 now supports IA64 processor _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' fi _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; amigaos*) case $host_cpu in powerpc) # see comment about AmigaOS4 .so support _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; m68k) # FIXME: we need at least 68020 code to build shared libraries, but # adding the '-m68020' flag to GCC prevents building anything better, # like '-m68040'. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-m68020 -resident32 -malways-restore-a4' ;; esac ;; beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*) # PIC is the default for these OSes. ;; mingw* | cygwin* | os2* | pw32* | cegcc*) # This hack is so that the source file can tell whether it is being # built for inclusion in a dll (and should export symbols for example). # Although the cygwin gcc ignores -fPIC, still need this for old-style # (--disable-auto-import) libraries m4_if([$1], [GCJ], [], [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) case $host_os in os2*) _LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-static' ;; esac ;; darwin* | rhapsody*) # PIC is the default on this platform # Common symbols not allowed in MH_DYLIB files _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common' ;; *djgpp*) # DJGPP does not support shared libraries at all _LT_TAGVAR(lt_prog_compiler_pic, $1)= ;; haiku*) # PIC is the default for Haiku. # The "-static" flag exists, but is broken. _LT_TAGVAR(lt_prog_compiler_static, $1)= ;; interix[[3-9]]*) # Interix 3.x gcc -fpic/-fPIC options generate broken code. # Instead, we relocate shared libraries at runtime. ;; sysv4*MP*) if test -d /usr/nec; then _LT_TAGVAR(lt_prog_compiler_pic, $1)=-Kconform_pic fi ;; hpux*) # PIC is the default for 64-bit PA HP-UX, but not for 32-bit # PA HP-UX. On IA64 HP-UX, PIC is the default but the pic flag # sets the default TLS model and affects inlining. case $host_cpu in hppa*64*) ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; esac ;; *qnx* | *nto*) # QNX uses GNU C++, but need to define -shared option too, otherwise # it will coredump. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; esac else case $host_os in aix[[4-9]]*) # All AIX code is PIC. if test ia64 = "$host_cpu"; then # AIX 5 now supports IA64 processor _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' else _LT_TAGVAR(lt_prog_compiler_static, $1)='-bnso -bI:/lib/syscalls.exp' fi ;; chorus*) case $cc_basename in cxch68*) # Green Hills C++ Compiler # _LT_TAGVAR(lt_prog_compiler_static, $1)="--no_auto_instantiation -u __main -u __premain -u _abort -r $COOL_DIR/lib/libOrb.a $MVME_DIR/lib/CC/libC.a $MVME_DIR/lib/classix/libcx.s.a" ;; esac ;; mingw* | cygwin* | os2* | pw32* | cegcc*) # This hack is so that the source file can tell whether it is being # built for inclusion in a dll (and should export symbols for example). m4_if([$1], [GCJ], [], [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) ;; dgux*) case $cc_basename in ec++*) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' ;; ghcx*) # Green Hills C++ Compiler _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' ;; *) ;; esac ;; freebsd* | dragonfly* | midnightbsd*) # FreeBSD uses GNU C++ ;; hpux9* | hpux10* | hpux11*) case $cc_basename in CC*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-a ${wl}archive' if test ia64 != "$host_cpu"; then _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z' fi ;; aCC*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-a ${wl}archive' case $host_cpu in hppa*64*|ia64*) # +Z the default ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z' ;; esac ;; *) ;; esac ;; interix*) # This is c89, which is MS Visual C++ (no shared libs) # Anyone wants to do a port? ;; irix5* | irix6* | nonstopux*) case $cc_basename in CC*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' # CC pic flag -KPIC is the default. ;; *) ;; esac ;; linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) case $cc_basename in KCC*) # KAI C++ Compiler _LT_TAGVAR(lt_prog_compiler_wl, $1)='--backend -Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; ecpc* ) # old Intel C++ for x86_64, which still supported -KPIC. _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; icpc* ) # Intel C++, used to be incompatible with GCC. # ICC 10 doesn't accept -KPIC any more. _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; pgCC* | pgcpp*) # Portland Group C++ compiler _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; cxx*) # Compaq C++ # Make sure the PIC flag is empty. It appears that all Alpha # Linux and Compaq Tru64 Unix objects are PIC. _LT_TAGVAR(lt_prog_compiler_pic, $1)= _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' ;; xlc* | xlC* | bgxl[[cC]]* | mpixl[[cC]]*) # IBM XL 8.0, 9.0 on PPC and BlueGene _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-qpic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-qstaticlink' ;; *) case `$CC -V 2>&1 | $SED 5q` in *Sun\ C*) # Sun C++ 5.9 _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' ;; esac ;; esac ;; lynxos*) ;; m88k*) ;; mvs*) case $cc_basename in cxx*) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-W c,exportall' ;; *) ;; esac ;; netbsd* | netbsdelf*-gnu) ;; *qnx* | *nto*) # QNX uses GNU C++, but need to define -shared option too, otherwise # it will coredump. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' ;; osf3* | osf4* | osf5*) case $cc_basename in KCC*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='--backend -Wl,' ;; RCC*) # Rational C++ 2.4.1 _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' ;; cxx*) # Digital/Compaq C++ _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' # Make sure the PIC flag is empty. It appears that all Alpha # Linux and Compaq Tru64 Unix objects are PIC. _LT_TAGVAR(lt_prog_compiler_pic, $1)= _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' ;; *) ;; esac ;; psos*) ;; solaris*) case $cc_basename in CC* | sunCC*) # Sun C++ 4.2, 5.x and Centerline C++ _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' ;; gcx*) # Green Hills C++ Compiler _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC' ;; *) ;; esac ;; sunos4*) case $cc_basename in CC*) # Sun C++ 4.x _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; lcc*) # Lucid _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' ;; *) ;; esac ;; sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*) case $cc_basename in CC*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; esac ;; tandem*) case $cc_basename in NCC*) # NonStop-UX NCC 3.20 _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' ;; *) ;; esac ;; vxworks*) ;; *) _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no ;; esac fi ], [ if test yes = "$GCC"; then _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' case $host_os in aix*) # All AIX code is PIC. if test ia64 = "$host_cpu"; then # AIX 5 now supports IA64 processor _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' fi _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; amigaos*) case $host_cpu in powerpc) # see comment about AmigaOS4 .so support _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; m68k) # FIXME: we need at least 68020 code to build shared libraries, but # adding the '-m68020' flag to GCC prevents building anything better, # like '-m68040'. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-m68020 -resident32 -malways-restore-a4' ;; esac ;; beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*) # PIC is the default for these OSes. ;; mingw* | cygwin* | pw32* | os2* | cegcc*) # This hack is so that the source file can tell whether it is being # built for inclusion in a dll (and should export symbols for example). # Although the cygwin gcc ignores -fPIC, still need this for old-style # (--disable-auto-import) libraries m4_if([$1], [GCJ], [], [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) case $host_os in os2*) _LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-static' ;; esac ;; darwin* | rhapsody*) # PIC is the default on this platform # Common symbols not allowed in MH_DYLIB files _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common' ;; haiku*) # PIC is the default for Haiku. # The "-static" flag exists, but is broken. _LT_TAGVAR(lt_prog_compiler_static, $1)= ;; hpux*) # PIC is the default for 64-bit PA HP-UX, but not for 32-bit # PA HP-UX. On IA64 HP-UX, PIC is the default but the pic flag # sets the default TLS model and affects inlining. case $host_cpu in hppa*64*) # +Z the default ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; esac ;; interix[[3-9]]*) # Interix 3.x gcc -fpic/-fPIC options generate broken code. # Instead, we relocate shared libraries at runtime. ;; msdosdjgpp*) # Just because we use GCC doesn't mean we suddenly get shared libraries # on systems that don't support them. _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no enable_shared=no ;; *nto* | *qnx*) # QNX uses GNU C++, but need to define -shared option too, otherwise # it will coredump. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' ;; sysv4*MP*) if test -d /usr/nec; then _LT_TAGVAR(lt_prog_compiler_pic, $1)=-Kconform_pic fi ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; esac case $cc_basename in nvcc*) # Cuda Compiler Driver 2.2 _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Xlinker ' if test -n "$_LT_TAGVAR(lt_prog_compiler_pic, $1)"; then _LT_TAGVAR(lt_prog_compiler_pic, $1)="-Xcompiler $_LT_TAGVAR(lt_prog_compiler_pic, $1)" fi ;; esac else # PORTME Check for flag to pass linker flags through the system compiler. case $host_os in aix*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' if test ia64 = "$host_cpu"; then # AIX 5 now supports IA64 processor _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' else _LT_TAGVAR(lt_prog_compiler_static, $1)='-bnso -bI:/lib/syscalls.exp' fi ;; darwin* | rhapsody*) # PIC is the default on this platform # Common symbols not allowed in MH_DYLIB files _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common' case $cc_basename in nagfor*) # NAG Fortran compiler _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,-Wl,,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; esac ;; mingw* | cygwin* | pw32* | os2* | cegcc*) # This hack is so that the source file can tell whether it is being # built for inclusion in a dll (and should export symbols for example). m4_if([$1], [GCJ], [], [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) case $host_os in os2*) _LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-static' ;; esac ;; hpux9* | hpux10* | hpux11*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' # PIC is the default for IA64 HP-UX and 64-bit HP-UX, but # not for PA HP-UX. case $host_cpu in hppa*64*|ia64*) # +Z the default ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z' ;; esac # Is there a better lt_prog_compiler_static that works with the bundled CC? _LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-a ${wl}archive' ;; irix5* | irix6* | nonstopux*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' # PIC (with -KPIC) is the default. _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' ;; linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) case $cc_basename in # old Intel for x86_64, which still supported -KPIC. ecc*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; # flang / f18. f95 an alias for gfortran or flang on Debian flang* | f18* | f95*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; # icc used to be incompatible with GCC. # ICC 10 doesn't accept -KPIC any more. icc* | ifort*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; # Lahey Fortran 8.1. lf95*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='--shared' _LT_TAGVAR(lt_prog_compiler_static, $1)='--static' ;; nagfor*) # NAG Fortran compiler _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,-Wl,,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; tcc*) # Fabrice Bellard et al's Tiny C Compiler _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; pgcc* | pgf77* | pgf90* | pgf95* | pgfortran*) # Portland Group compilers (*not* the Pentium gcc compiler, # which looks to be a dead project) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; ccc*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' # All Alpha code is PIC. _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' ;; xl* | bgxl* | bgf* | mpixl*) # IBM XL C 8.0/Fortran 10.1, 11.1 on PPC and BlueGene _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-qpic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-qstaticlink' ;; *) case `$CC -V 2>&1 | $SED 5q` in *Sun\ Ceres\ Fortran* | *Sun*Fortran*\ [[1-7]].* | *Sun*Fortran*\ 8.[[0-3]]*) # Sun Fortran 8.3 passes all unrecognized flags to the linker _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' _LT_TAGVAR(lt_prog_compiler_wl, $1)='' ;; *Sun\ F* | *Sun*Fortran*) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' ;; *Sun\ C*) # Sun C 5.9 _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' ;; 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*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,';; esac ;; sunos4*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; sysv4 | sysv4.2uw2* | sysv4.3*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; sysv4*MP*) if test -d /usr/nec; then _LT_TAGVAR(lt_prog_compiler_pic, $1)='-Kconform_pic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' fi ;; sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; unicos*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no ;; uts4*) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; *) _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no ;; esac fi ]) case $host_os in # For platforms that do not support PIC, -DPIC is meaningless: *djgpp*) _LT_TAGVAR(lt_prog_compiler_pic, $1)= ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)="$_LT_TAGVAR(lt_prog_compiler_pic, $1)@&t@m4_if([$1],[],[ -DPIC],[m4_if([$1],[CXX],[ -DPIC],[])])" ;; esac AC_CACHE_CHECK([for $compiler option to produce PIC], [_LT_TAGVAR(lt_cv_prog_compiler_pic, $1)], [_LT_TAGVAR(lt_cv_prog_compiler_pic, $1)=$_LT_TAGVAR(lt_prog_compiler_pic, $1)]) _LT_TAGVAR(lt_prog_compiler_pic, $1)=$_LT_TAGVAR(lt_cv_prog_compiler_pic, $1) # # Check to make sure the PIC flag actually works. # if test -n "$_LT_TAGVAR(lt_prog_compiler_pic, $1)"; then _LT_COMPILER_OPTION([if $compiler PIC flag $_LT_TAGVAR(lt_prog_compiler_pic, $1) works], [_LT_TAGVAR(lt_cv_prog_compiler_pic_works, $1)], [$_LT_TAGVAR(lt_prog_compiler_pic, $1)@&t@m4_if([$1],[],[ -DPIC],[m4_if([$1],[CXX],[ -DPIC],[])])], [], [case $_LT_TAGVAR(lt_prog_compiler_pic, $1) in "" | " "*) ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)=" $_LT_TAGVAR(lt_prog_compiler_pic, $1)" ;; esac], [_LT_TAGVAR(lt_prog_compiler_pic, $1)= _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no]) fi _LT_TAGDECL([pic_flag], [lt_prog_compiler_pic], [1], [Additional compiler flags for building library objects]) _LT_TAGDECL([wl], [lt_prog_compiler_wl], [1], [How to pass a linker flag through the compiler]) # # Check to make sure the static flag actually works. # wl=$_LT_TAGVAR(lt_prog_compiler_wl, $1) eval lt_tmp_static_flag=\"$_LT_TAGVAR(lt_prog_compiler_static, $1)\" _LT_LINKER_OPTION([if $compiler static flag $lt_tmp_static_flag works], _LT_TAGVAR(lt_cv_prog_compiler_static_works, $1), $lt_tmp_static_flag, [], [_LT_TAGVAR(lt_prog_compiler_static, $1)=]) _LT_TAGDECL([link_static_flag], [lt_prog_compiler_static], [1], [Compiler flag to prevent dynamic linking]) ])# _LT_COMPILER_PIC # _LT_LINKER_SHLIBS([TAGNAME]) # ---------------------------- # See if the linker supports building shared libraries. m4_defun([_LT_LINKER_SHLIBS], [AC_REQUIRE([LT_PATH_LD])dnl AC_REQUIRE([LT_PATH_NM])dnl m4_require([_LT_PATH_MANIFEST_TOOL])dnl m4_require([_LT_FILEUTILS_DEFAULTS])dnl m4_require([_LT_DECL_EGREP])dnl m4_require([_LT_DECL_SED])dnl m4_require([_LT_CMD_GLOBAL_SYMBOLS])dnl m4_require([_LT_TAG_COMPILER])dnl AC_MSG_CHECKING([whether the $compiler linker ($LD) supports shared libraries]) m4_if([$1], [CXX], [ _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols' _LT_TAGVAR(exclude_expsyms, $1)=['_GLOBAL_OFFSET_TABLE_|_GLOBAL__F[ID]_.*'] case $host_os in aix[[4-9]]*) # If we're using GNU nm, then we don't want the "-C" option. # -C means demangle to GNU nm, but means don't demangle to AIX nm. # Without the "-l" option, or with the "-B" option, AIX nm treats # weak defined symbols like other global defined symbols, whereas # GNU nm marks them as "W". # While the 'weak' keyword is ignored in the Export File, we need # it in the Import File for the 'aix-soname' feature, so we have # to replace the "-B" option with "-P" for AIX nm. if $NM -V 2>&1 | $GREP 'GNU' > /dev/null; 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then _LT_TAGVAR(hardcode_direct, $1)=yes _LT_TAGVAR(hardcode_shlibpath_var, $1)=no _LT_TAGVAR(hardcode_direct_absolute, $1)=yes if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`"; then _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags $wl-retain-symbols-file,$export_symbols' _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath,$libdir' _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-E' else _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath,$libdir' fi else _LT_TAGVAR(ld_shlibs, $1)=no fi ;; os2*) _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' _LT_TAGVAR(hardcode_minus_L, $1)=yes _LT_TAGVAR(allow_undefined_flag, $1)=unsupported shrext_cmds=.dll _LT_TAGVAR(archive_cmds, $1)='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~ $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~ $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~ $ECHO EXPORTS >> $output_objdir/$libname.def~ emxexp $libobjs | $SED /"_DLL_InitTerm"/d >> $output_objdir/$libname.def~ $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~ emximp -o $lib $output_objdir/$libname.def' _LT_TAGVAR(archive_expsym_cmds, $1)='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~ $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~ $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~ $ECHO EXPORTS >> $output_objdir/$libname.def~ prefix_cmds="$SED"~ if test EXPORTS = "`$SED 1q $export_symbols`"; then prefix_cmds="$prefix_cmds -e 1d"; fi~ prefix_cmds="$prefix_cmds -e \"s/^\(.*\)$/_\1/g\""~ cat $export_symbols | $prefix_cmds >> $output_objdir/$libname.def~ $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~ emximp -o $lib $output_objdir/$libname.def' _LT_TAGVAR(old_archive_From_new_cmds, $1)='emximp -o $output_objdir/${libname}_dll.a $output_objdir/$libname.def' _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes _LT_TAGVAR(file_list_spec, $1)='@' ;; osf3*) if test yes = "$GCC"; then _LT_TAGVAR(allow_undefined_flag, $1)=' $wl-expect_unresolved $wl\*' _LT_TAGVAR(archive_cmds, $1)='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib' else _LT_TAGVAR(allow_undefined_flag, $1)=' -expect_unresolved \*' _LT_TAGVAR(archive_cmds, $1)='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib' fi _LT_TAGVAR(archive_cmds_need_lc, $1)='no' _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir' _LT_TAGVAR(hardcode_libdir_separator, $1)=: ;; osf4* | osf5*) # as osf3* with the addition of -msym flag if test yes = "$GCC"; then _LT_TAGVAR(allow_undefined_flag, $1)=' $wl-expect_unresolved $wl\*' _LT_TAGVAR(archive_cmds, $1)='$CC -shared$allow_undefined_flag $pic_flag $libobjs $deplibs $compiler_flags $wl-msym $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib' _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir' else _LT_TAGVAR(allow_undefined_flag, $1)=' -expect_unresolved \*' _LT_TAGVAR(archive_cmds, $1)='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags -msym -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib' _LT_TAGVAR(archive_expsym_cmds, $1)='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done; printf "%s\\n" "-hidden">> $lib.exp~ $CC -shared$allow_undefined_flag $wl-input $wl$lib.exp $compiler_flags $libobjs $deplibs -soname $soname `test -n "$verstring" && $ECHO "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib~$RM $lib.exp' # Both c and cxx compiler support -rpath directly _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-rpath $libdir' fi _LT_TAGVAR(archive_cmds_need_lc, $1)='no' _LT_TAGVAR(hardcode_libdir_separator, $1)=: ;; solaris*) _LT_TAGVAR(no_undefined_flag, $1)=' -z defs' if test yes = "$GCC"; then wlarc='$wl' _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $wl-z ${wl}text $wl-h $wl$soname -o $lib $libobjs $deplibs $compiler_flags' _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ $CC -shared $pic_flag $wl-z ${wl}text $wl-M $wl$lib.exp $wl-h $wl$soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp' else case `$CC -V 2>&1` in *"Compilers 5.0"*) wlarc='' _LT_TAGVAR(archive_cmds, $1)='$LD -G$allow_undefined_flag -h $soname -o $lib $libobjs $deplibs $linker_flags' _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ $LD -G$allow_undefined_flag -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$RM $lib.exp' ;; *) wlarc='$wl' _LT_TAGVAR(archive_cmds, $1)='$CC -G$allow_undefined_flag -h $soname -o $lib $libobjs $deplibs $compiler_flags' _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ $CC -G$allow_undefined_flag -M $lib.exp -h $soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp' ;; esac fi _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir' _LT_TAGVAR(hardcode_shlibpath_var, $1)=no case $host_os in solaris2.[[0-5]] | solaris2.[[0-5]].*) ;; *) # The compiler driver will combine and reorder linker options, # but understands '-z linker_flag'. GCC discards it without '$wl', # but is careful enough not to reorder. # Supported since Solaris 2.6 (maybe 2.5.1?) if test yes = "$GCC"; then _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl-z ${wl}allextract$convenience $wl-z ${wl}defaultextract' else _LT_TAGVAR(whole_archive_flag_spec, $1)='-z allextract$convenience -z defaultextract' fi ;; esac _LT_TAGVAR(link_all_deplibs, $1)=yes ;; sunos4*) if test sequent = "$host_vendor"; then # Use $CC to link under sequent, because it throws in some extra .o # files that make .init and .fini sections work. _LT_TAGVAR(archive_cmds, $1)='$CC -G $wl-h $soname -o $lib $libobjs $deplibs $compiler_flags' else _LT_TAGVAR(archive_cmds, $1)='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linker_flags' fi _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' _LT_TAGVAR(hardcode_direct, $1)=yes _LT_TAGVAR(hardcode_minus_L, $1)=yes _LT_TAGVAR(hardcode_shlibpath_var, $1)=no ;; sysv4) case $host_vendor in sni) _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' _LT_TAGVAR(hardcode_direct, $1)=yes # is this really true??? ;; siemens) ## LD is ld it makes a PLAMLIB ## CC just makes a GrossModule. _LT_TAGVAR(archive_cmds, $1)='$LD -G -o $lib $libobjs $deplibs $linker_flags' _LT_TAGVAR(reload_cmds, $1)='$CC -r -o $output$reload_objs' _LT_TAGVAR(hardcode_direct, $1)=no ;; motorola) _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' _LT_TAGVAR(hardcode_direct, $1)=no #Motorola manual says yes, but my tests say they lie ;; esac runpath_var='LD_RUN_PATH' _LT_TAGVAR(hardcode_shlibpath_var, $1)=no ;; sysv4.3*) _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' _LT_TAGVAR(hardcode_shlibpath_var, $1)=no _LT_TAGVAR(export_dynamic_flag_spec, $1)='-Bexport' ;; sysv4*MP*) if test -d /usr/nec; then _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' _LT_TAGVAR(hardcode_shlibpath_var, $1)=no runpath_var=LD_RUN_PATH hardcode_runpath_var=yes _LT_TAGVAR(ld_shlibs, $1)=yes fi ;; sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[[01]].[[10]]* | unixware7* | sco3.2v5.0.[[024]]*) _LT_TAGVAR(no_undefined_flag, $1)='$wl-z,text' _LT_TAGVAR(archive_cmds_need_lc, $1)=no _LT_TAGVAR(hardcode_shlibpath_var, $1)=no runpath_var='LD_RUN_PATH' if test yes = "$GCC"; then _LT_TAGVAR(archive_cmds, $1)='$CC -shared $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' else _LT_TAGVAR(archive_cmds, $1)='$CC -G $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' fi ;; sysv5* | sco3.2v5* | sco5v6*) # Note: We CANNOT use -z defs as we might desire, because we do not # link with -lc, and that would cause any symbols used from libc to # always be unresolved, which means just about no library would # ever link correctly. If we're not using GNU ld we use -z text # though, which does catch some bad symbols but isn't as heavy-handed # as -z defs. _LT_TAGVAR(no_undefined_flag, $1)='$wl-z,text' _LT_TAGVAR(allow_undefined_flag, $1)='$wl-z,nodefs' _LT_TAGVAR(archive_cmds_need_lc, $1)=no _LT_TAGVAR(hardcode_shlibpath_var, $1)=no _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-R,$libdir' _LT_TAGVAR(hardcode_libdir_separator, $1)=':' _LT_TAGVAR(link_all_deplibs, $1)=yes _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-Bexport' runpath_var='LD_RUN_PATH' if test yes = "$GCC"; then _LT_TAGVAR(archive_cmds, $1)='$CC -shared $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' else _LT_TAGVAR(archive_cmds, $1)='$CC -G $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' fi ;; uts4*) _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' _LT_TAGVAR(hardcode_shlibpath_var, $1)=no ;; *) _LT_TAGVAR(ld_shlibs, $1)=no ;; esac if test sni = "$host_vendor"; then case $host in sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*) _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-Blargedynsym' ;; esac fi fi ]) AC_MSG_RESULT([$_LT_TAGVAR(ld_shlibs, $1)]) test no = "$_LT_TAGVAR(ld_shlibs, $1)" && can_build_shared=no _LT_TAGVAR(with_gnu_ld, $1)=$with_gnu_ld _LT_DECL([], [libext], [0], [Old archive suffix (normally "a")])dnl _LT_DECL([], [shrext_cmds], [1], [Shared library suffix (normally ".so")])dnl _LT_DECL([], [extract_expsyms_cmds], [2], [The commands to extract the exported symbol list from a shared archive]) # # Do we need to explicitly link libc? # case "x$_LT_TAGVAR(archive_cmds_need_lc, $1)" in x|xyes) # Assume -lc should be added _LT_TAGVAR(archive_cmds_need_lc, $1)=yes if test yes,yes = "$GCC,$enable_shared"; then case $_LT_TAGVAR(archive_cmds, $1) in *'~'*) # FIXME: we may have to deal with multi-command sequences. ;; '$CC '*) # Test whether the compiler implicitly links with -lc since on some # systems, -lgcc has to come before -lc. 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If any OPTION has a matching handler declared with # LT_OPTION_DEFINE, dispatch to that macro; otherwise complain about # the unknown option and exit. m4_defun([_LT_SET_OPTIONS], [# Set options m4_foreach([_LT_Option], m4_split(m4_normalize([$2])), [_LT_SET_OPTION([$1], _LT_Option)]) m4_if([$1],[LT_INIT],[ dnl dnl Simply set some default values (i.e off) if boolean options were not dnl specified: _LT_UNLESS_OPTIONS([LT_INIT], [dlopen], [enable_dlopen=no ]) _LT_UNLESS_OPTIONS([LT_INIT], [win32-dll], [enable_win32_dll=no ]) dnl dnl If no reference was made to various pairs of opposing options, then dnl we run the default mode handler for the pair. For example, if neither dnl 'shared' nor 'disable-shared' was passed, we enable building of shared dnl archives by default: _LT_UNLESS_OPTIONS([LT_INIT], [shared disable-shared], [_LT_ENABLE_SHARED]) _LT_UNLESS_OPTIONS([LT_INIT], [static disable-static], [_LT_ENABLE_STATIC]) _LT_UNLESS_OPTIONS([LT_INIT], [pic-only no-pic], [_LT_WITH_PIC]) _LT_UNLESS_OPTIONS([LT_INIT], [fast-install disable-fast-install], [_LT_ENABLE_FAST_INSTALL]) _LT_UNLESS_OPTIONS([LT_INIT], [aix-soname=aix aix-soname=both aix-soname=svr4], [_LT_WITH_AIX_SONAME([aix])]) ]) ])# _LT_SET_OPTIONS # _LT_MANGLE_DEFUN(MACRO-NAME, OPTION-NAME) # ----------------------------------------- m4_define([_LT_MANGLE_DEFUN], [[_LT_OPTION_DEFUN_]m4_bpatsubst(m4_toupper([$1__$2]), [[^A-Z0-9_]], [_])]) # LT_OPTION_DEFINE(MACRO-NAME, OPTION-NAME, CODE) # ----------------------------------------------- m4_define([LT_OPTION_DEFINE], [m4_define(_LT_MANGLE_DEFUN([$1], [$2]), [$3])[]dnl ])# LT_OPTION_DEFINE # dlopen # ------ LT_OPTION_DEFINE([LT_INIT], [dlopen], [enable_dlopen=yes ]) AU_DEFUN([AC_LIBTOOL_DLOPEN], [_LT_SET_OPTION([LT_INIT], [dlopen]) AC_DIAGNOSE([obsolete], [$0: Remove this warning and the call to _LT_SET_OPTION when you put the 'dlopen' option into LT_INIT's first parameter.]) ]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AC_LIBTOOL_DLOPEN], []) # win32-dll # --------- # Declare package support for building win32 dll's. LT_OPTION_DEFINE([LT_INIT], [win32-dll], [enable_win32_dll=yes case $host in *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-cegcc*) AC_CHECK_TOOL(AS, as, false) AC_CHECK_TOOL(DLLTOOL, dlltool, false) AC_CHECK_TOOL(OBJDUMP, objdump, false) ;; esac test -z "$AS" && AS=as _LT_DECL([], [AS], [1], [Assembler program])dnl test -z "$DLLTOOL" && DLLTOOL=dlltool _LT_DECL([], [DLLTOOL], [1], [DLL creation program])dnl test -z "$OBJDUMP" && OBJDUMP=objdump _LT_DECL([], [OBJDUMP], [1], [Object dumper program])dnl ])# win32-dll AU_DEFUN([AC_LIBTOOL_WIN32_DLL], [AC_REQUIRE([AC_CANONICAL_HOST])dnl _LT_SET_OPTION([LT_INIT], [win32-dll]) AC_DIAGNOSE([obsolete], [$0: Remove this warning and the call to _LT_SET_OPTION when you put the 'win32-dll' option into LT_INIT's first parameter.]) ]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AC_LIBTOOL_WIN32_DLL], []) # _LT_ENABLE_SHARED([DEFAULT]) # ---------------------------- # implement the --enable-shared flag, and supports the 'shared' and # 'disable-shared' LT_INIT options. # DEFAULT is either 'yes' or 'no'. If omitted, it defaults to 'yes'. m4_define([_LT_ENABLE_SHARED], [m4_define([_LT_ENABLE_SHARED_DEFAULT], [m4_if($1, no, no, yes)])dnl AC_ARG_ENABLE([shared], [AS_HELP_STRING([--enable-shared@<:@=PKGS@:>@], [build shared libraries @<:@default=]_LT_ENABLE_SHARED_DEFAULT[@:>@])], [p=${PACKAGE-default} case $enableval in yes) enable_shared=yes ;; no) enable_shared=no ;; *) enable_shared=no # Look at the argument we got. We use all the common list separators. lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR, for pkg in $enableval; do IFS=$lt_save_ifs if test "X$pkg" = "X$p"; then enable_shared=yes fi done IFS=$lt_save_ifs ;; esac], [enable_shared=]_LT_ENABLE_SHARED_DEFAULT) _LT_DECL([build_libtool_libs], [enable_shared], [0], [Whether or not to build shared libraries]) ])# _LT_ENABLE_SHARED LT_OPTION_DEFINE([LT_INIT], [shared], [_LT_ENABLE_SHARED([yes])]) LT_OPTION_DEFINE([LT_INIT], [disable-shared], [_LT_ENABLE_SHARED([no])]) # Old names: AC_DEFUN([AC_ENABLE_SHARED], [_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[shared]) ]) AC_DEFUN([AC_DISABLE_SHARED], [_LT_SET_OPTION([LT_INIT], [disable-shared]) ]) AU_DEFUN([AM_ENABLE_SHARED], [AC_ENABLE_SHARED($@)]) AU_DEFUN([AM_DISABLE_SHARED], [AC_DISABLE_SHARED($@)]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AM_ENABLE_SHARED], []) dnl AC_DEFUN([AM_DISABLE_SHARED], []) # _LT_ENABLE_STATIC([DEFAULT]) # ---------------------------- # implement the --enable-static flag, and support the 'static' and # 'disable-static' LT_INIT options. # DEFAULT is either 'yes' or 'no'. If omitted, it defaults to 'yes'. m4_define([_LT_ENABLE_STATIC], [m4_define([_LT_ENABLE_STATIC_DEFAULT], [m4_if($1, no, no, yes)])dnl AC_ARG_ENABLE([static], [AS_HELP_STRING([--enable-static@<:@=PKGS@:>@], [build static libraries @<:@default=]_LT_ENABLE_STATIC_DEFAULT[@:>@])], [p=${PACKAGE-default} case $enableval in yes) enable_static=yes ;; no) enable_static=no ;; *) enable_static=no # Look at the argument we got. We use all the common list separators. lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR, for pkg in $enableval; do IFS=$lt_save_ifs if test "X$pkg" = "X$p"; then enable_static=yes fi done IFS=$lt_save_ifs ;; esac], [enable_static=]_LT_ENABLE_STATIC_DEFAULT) _LT_DECL([build_old_libs], [enable_static], [0], [Whether or not to build static libraries]) ])# _LT_ENABLE_STATIC LT_OPTION_DEFINE([LT_INIT], [static], [_LT_ENABLE_STATIC([yes])]) LT_OPTION_DEFINE([LT_INIT], [disable-static], [_LT_ENABLE_STATIC([no])]) # Old names: AC_DEFUN([AC_ENABLE_STATIC], [_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[static]) ]) AC_DEFUN([AC_DISABLE_STATIC], [_LT_SET_OPTION([LT_INIT], [disable-static]) ]) AU_DEFUN([AM_ENABLE_STATIC], [AC_ENABLE_STATIC($@)]) AU_DEFUN([AM_DISABLE_STATIC], [AC_DISABLE_STATIC($@)]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AM_ENABLE_STATIC], []) dnl AC_DEFUN([AM_DISABLE_STATIC], []) # _LT_ENABLE_FAST_INSTALL([DEFAULT]) # ---------------------------------- # implement the --enable-fast-install flag, and support the 'fast-install' # and 'disable-fast-install' LT_INIT options. # DEFAULT is either 'yes' or 'no'. If omitted, it defaults to 'yes'. m4_define([_LT_ENABLE_FAST_INSTALL], [m4_define([_LT_ENABLE_FAST_INSTALL_DEFAULT], [m4_if($1, no, no, yes)])dnl AC_ARG_ENABLE([fast-install], [AS_HELP_STRING([--enable-fast-install@<:@=PKGS@:>@], [optimize for fast installation @<:@default=]_LT_ENABLE_FAST_INSTALL_DEFAULT[@:>@])], [p=${PACKAGE-default} case $enableval in yes) enable_fast_install=yes ;; no) enable_fast_install=no ;; *) enable_fast_install=no # Look at the argument we got. We use all the common list separators. lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR, for pkg in $enableval; do IFS=$lt_save_ifs if test "X$pkg" = "X$p"; then enable_fast_install=yes fi done IFS=$lt_save_ifs ;; esac], [enable_fast_install=]_LT_ENABLE_FAST_INSTALL_DEFAULT) _LT_DECL([fast_install], [enable_fast_install], [0], [Whether or not to optimize for fast installation])dnl ])# _LT_ENABLE_FAST_INSTALL LT_OPTION_DEFINE([LT_INIT], [fast-install], [_LT_ENABLE_FAST_INSTALL([yes])]) LT_OPTION_DEFINE([LT_INIT], [disable-fast-install], [_LT_ENABLE_FAST_INSTALL([no])]) # Old names: AU_DEFUN([AC_ENABLE_FAST_INSTALL], [_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[fast-install]) AC_DIAGNOSE([obsolete], [$0: Remove this warning and the call to _LT_SET_OPTION when you put the 'fast-install' option into LT_INIT's first parameter.]) ]) AU_DEFUN([AC_DISABLE_FAST_INSTALL], [_LT_SET_OPTION([LT_INIT], [disable-fast-install]) AC_DIAGNOSE([obsolete], [$0: Remove this warning and the call to _LT_SET_OPTION when you put the 'disable-fast-install' option into LT_INIT's first parameter.]) ]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AC_ENABLE_FAST_INSTALL], []) dnl AC_DEFUN([AM_DISABLE_FAST_INSTALL], []) # _LT_WITH_AIX_SONAME([DEFAULT]) # ---------------------------------- # implement the --with-aix-soname flag, and support the `aix-soname=aix' # and `aix-soname=both' and `aix-soname=svr4' LT_INIT options. DEFAULT # is either `aix', `both' or `svr4'. 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If omitted, it defaults to 'both'. m4_define([_LT_WITH_PIC], [AC_ARG_WITH([pic], [AS_HELP_STRING([--with-pic@<:@=PKGS@:>@], [try to use only PIC/non-PIC objects @<:@default=use both@:>@])], [lt_p=${PACKAGE-default} case $withval in yes|no) pic_mode=$withval ;; *) pic_mode=default # Look at the argument we got. We use all the common list separators. lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR, for lt_pkg in $withval; do IFS=$lt_save_ifs if test "X$lt_pkg" = "X$lt_p"; then pic_mode=yes fi done IFS=$lt_save_ifs ;; esac], [pic_mode=m4_default([$1], [default])]) _LT_DECL([], [pic_mode], [0], [What type of objects to build])dnl ])# _LT_WITH_PIC LT_OPTION_DEFINE([LT_INIT], [pic-only], [_LT_WITH_PIC([yes])]) LT_OPTION_DEFINE([LT_INIT], [no-pic], [_LT_WITH_PIC([no])]) # Old name: AU_DEFUN([AC_LIBTOOL_PICMODE], [_LT_SET_OPTION([LT_INIT], [pic-only]) AC_DIAGNOSE([obsolete], [$0: Remove this warning and the call to _LT_SET_OPTION when you put the 'pic-only' option into LT_INIT's first parameter.]) ]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AC_LIBTOOL_PICMODE], []) m4_define([_LTDL_MODE], []) LT_OPTION_DEFINE([LTDL_INIT], [nonrecursive], [m4_define([_LTDL_MODE], [nonrecursive])]) LT_OPTION_DEFINE([LTDL_INIT], [recursive], [m4_define([_LTDL_MODE], [recursive])]) LT_OPTION_DEFINE([LTDL_INIT], [subproject], [m4_define([_LTDL_MODE], [subproject])]) m4_define([_LTDL_TYPE], []) LT_OPTION_DEFINE([LTDL_INIT], [installable], [m4_define([_LTDL_TYPE], [installable])]) LT_OPTION_DEFINE([LTDL_INIT], [convenience], [m4_define([_LTDL_TYPE], [convenience])]) # ltsugar.m4 -- libtool m4 base layer. -*-Autoconf-*- # # Copyright (C) 2004-2005, 2007-2008, 2011-2019, 2021-2022 Free Software # Foundation, Inc. # Written by Gary V. Vaughan, 2004 # # This file is free software; the Free Software Foundation gives # unlimited permission to copy and/or distribute it, with or without # modifications, as long as this notice is preserved. # serial 6 ltsugar.m4 # This is to help aclocal find these macros, as it can't see m4_define. AC_DEFUN([LTSUGAR_VERSION], [m4_if([0.1])]) # lt_join(SEP, ARG1, [ARG2...]) # ----------------------------- # Produce ARG1SEPARG2...SEPARGn, omitting [] arguments and their # associated separator. # Needed until we can rely on m4_join from Autoconf 2.62, since all earlier # versions in m4sugar had bugs. m4_define([lt_join], [m4_if([$#], [1], [], [$#], [2], [[$2]], [m4_if([$2], [], [], [[$2]_])$0([$1], m4_shift(m4_shift($@)))])]) m4_define([_lt_join], [m4_if([$#$2], [2], [], [m4_if([$2], [], [], [[$1$2]])$0([$1], m4_shift(m4_shift($@)))])]) # lt_car(LIST) # lt_cdr(LIST) # ------------ # Manipulate m4 lists. # These macros are necessary as long as will still need to support # Autoconf-2.59, which quotes differently. m4_define([lt_car], [[$1]]) m4_define([lt_cdr], [m4_if([$#], 0, [m4_fatal([$0: cannot be called without arguments])], [$#], 1, [], [m4_dquote(m4_shift($@))])]) m4_define([lt_unquote], $1) # lt_append(MACRO-NAME, STRING, [SEPARATOR]) # ------------------------------------------ # Redefine MACRO-NAME to hold its former content plus 'SEPARATOR''STRING'. # Note that neither SEPARATOR nor STRING are expanded; they are appended # to MACRO-NAME as is (leaving the expansion for when MACRO-NAME is invoked). # No SEPARATOR is output if MACRO-NAME was previously undefined (different # than defined and empty). # # This macro is needed until we can rely on Autoconf 2.62, since earlier # versions of m4sugar mistakenly expanded SEPARATOR but not STRING. m4_define([lt_append], [m4_define([$1], m4_ifdef([$1], [m4_defn([$1])[$3]])[$2])]) # lt_combine(SEP, PREFIX-LIST, INFIX, SUFFIX1, [SUFFIX2...]) # ---------------------------------------------------------- # Produce a SEP delimited list of all paired combinations of elements of # PREFIX-LIST with SUFFIX1 through SUFFIXn. Each element of the list # has the form PREFIXmINFIXSUFFIXn. # Needed until we can rely on m4_combine added in Autoconf 2.62. m4_define([lt_combine], [m4_if(m4_eval([$# > 3]), [1], [m4_pushdef([_Lt_sep], [m4_define([_Lt_sep], m4_defn([lt_car]))])]]dnl [[m4_foreach([_Lt_prefix], [$2], [m4_foreach([_Lt_suffix], ]m4_dquote(m4_dquote(m4_shift(m4_shift(m4_shift($@)))))[, [_Lt_sep([$1])[]m4_defn([_Lt_prefix])[$3]m4_defn([_Lt_suffix])])])])]) # lt_if_append_uniq(MACRO-NAME, VARNAME, [SEPARATOR], [UNIQ], [NOT-UNIQ]) # ----------------------------------------------------------------------- # Iff MACRO-NAME does not yet contain VARNAME, then append it (delimited # by SEPARATOR if supplied) and expand UNIQ, else NOT-UNIQ. m4_define([lt_if_append_uniq], [m4_ifdef([$1], [m4_if(m4_index([$3]m4_defn([$1])[$3], [$3$2$3]), [-1], [lt_append([$1], [$2], [$3])$4], [$5])], [lt_append([$1], [$2], [$3])$4])]) # lt_dict_add(DICT, KEY, VALUE) # ----------------------------- m4_define([lt_dict_add], [m4_define([$1($2)], [$3])]) # lt_dict_add_subkey(DICT, KEY, SUBKEY, VALUE) # -------------------------------------------- m4_define([lt_dict_add_subkey], [m4_define([$1($2:$3)], [$4])]) # lt_dict_fetch(DICT, KEY, [SUBKEY]) # ---------------------------------- m4_define([lt_dict_fetch], [m4_ifval([$3], m4_ifdef([$1($2:$3)], [m4_defn([$1($2:$3)])]), m4_ifdef([$1($2)], [m4_defn([$1($2)])]))]) # lt_if_dict_fetch(DICT, KEY, [SUBKEY], VALUE, IF-TRUE, [IF-FALSE]) # ----------------------------------------------------------------- m4_define([lt_if_dict_fetch], [m4_if(lt_dict_fetch([$1], [$2], [$3]), [$4], [$5], [$6])]) # lt_dict_filter(DICT, [SUBKEY], VALUE, [SEPARATOR], KEY, [...]) # -------------------------------------------------------------- m4_define([lt_dict_filter], [m4_if([$5], [], [], [lt_join(m4_quote(m4_default([$4], [[, ]])), lt_unquote(m4_split(m4_normalize(m4_foreach(_Lt_key, lt_car([m4_shiftn(4, $@)]), [lt_if_dict_fetch([$1], _Lt_key, [$2], [$3], [_Lt_key ])])))))])[]dnl ]) # ltversion.m4 -- version numbers -*- Autoconf -*- # # Copyright (C) 2004, 2011-2019, 2021-2022 Free Software Foundation, # Inc. # Written by Scott James Remnant, 2004 # # This file is free software; the Free Software Foundation gives # unlimited permission to copy and/or distribute it, with or without # modifications, as long as this notice is preserved. # @configure_input@ # serial 4245 ltversion.m4 # This file is part of GNU Libtool m4_define([LT_PACKAGE_VERSION], [2.4.7]) m4_define([LT_PACKAGE_REVISION], [2.4.7]) AC_DEFUN([LTVERSION_VERSION], [macro_version='2.4.7' macro_revision='2.4.7' _LT_DECL(, macro_version, 0, [Which release of libtool.m4 was used?]) _LT_DECL(, macro_revision, 0) ]) # lt~obsolete.m4 -- aclocal satisfying obsolete definitions. -*-Autoconf-*- # # Copyright (C) 2004-2005, 2007, 2009, 2011-2019, 2021-2022 Free # Software Foundation, Inc. # Written by Scott James Remnant, 2004. # # This file is free software; the Free Software Foundation gives # unlimited permission to copy and/or distribute it, with or without # modifications, as long as this notice is preserved. # serial 5 lt~obsolete.m4 # These exist entirely to fool aclocal when bootstrapping libtool. # # In the past libtool.m4 has provided macros via AC_DEFUN (or AU_DEFUN), # which have later been changed to m4_define as they aren't part of the # exported API, or moved to Autoconf or Automake where they belong. # # The trouble is, aclocal is a bit thick. It'll see the old AC_DEFUN # in /usr/share/aclocal/libtool.m4 and remember it, then when it sees us # using a macro with the same name in our local m4/libtool.m4 it'll # pull the old libtool.m4 in (it doesn't see our shiny new m4_define # and doesn't know about Autoconf macros at all.) # # So we provide this file, which has a silly filename so it's always # included after everything else. This provides aclocal with the # AC_DEFUNs it wants, but when m4 processes it, it doesn't do anything # because those macros already exist, or will be overwritten later. # We use AC_DEFUN over AU_DEFUN for compatibility with aclocal-1.6. # # Anytime we withdraw an AC_DEFUN or AU_DEFUN, remember to add it here. # Yes, that means every name once taken will need to remain here until # we give up compatibility with versions before 1.7, at which point # we need to keep only those names which we still refer to. # This is to help aclocal find these macros, as it can't see m4_define. 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you can redistribute it and/or modify dnl it under the terms of the GNU General Public License as published by dnl the Free Software Foundation; either version 2 of the License, or dnl (at your option) any later version. dnl dnl This program is distributed in the hope that it will be useful, but dnl WITHOUT ANY WARRANTY; without even the implied warranty of dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU dnl General Public License for more details. dnl dnl You should have received a copy of the GNU General Public License dnl along with this program; if not, write to the Free Software dnl Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA dnl 02111-1307, USA. dnl dnl As a special exception to the GNU General Public License, if you dnl distribute this file as part of a program that contains a dnl configuration script generated by Autoconf, you may include it under dnl the same distribution terms that you use for the rest of that dnl program. dnl PKG_PREREQ(MIN-VERSION) dnl ----------------------- dnl Since: 0.29 dnl dnl Verify that the version of the pkg-config macros are at least dnl MIN-VERSION. Unlike PKG_PROG_PKG_CONFIG, which checks the user's dnl installed version of pkg-config, this checks the developer's version dnl of pkg.m4 when generating configure. dnl dnl To ensure that this macro is defined, also add: dnl m4_ifndef([PKG_PREREQ], dnl [m4_fatal([must install pkg-config 0.29 or later before running autoconf/autogen])]) dnl dnl See the "Since" comment for each macro you use to see what version dnl of the macros you require. m4_defun([PKG_PREREQ], [m4_define([PKG_MACROS_VERSION], [0.29.2]) m4_if(m4_version_compare(PKG_MACROS_VERSION, [$1]), -1, [m4_fatal([pkg.m4 version $1 or higher is required but ]PKG_MACROS_VERSION[ found])]) ])dnl PKG_PREREQ dnl PKG_PROG_PKG_CONFIG([MIN-VERSION]) dnl ---------------------------------- dnl Since: 0.16 dnl dnl Search for the pkg-config tool and set the PKG_CONFIG variable to dnl first found in the path. Checks that the version of pkg-config found dnl is at least MIN-VERSION. If MIN-VERSION is not specified, 0.9.0 is dnl used since that's the first version where most current features of dnl pkg-config existed. AC_DEFUN([PKG_PROG_PKG_CONFIG], [m4_pattern_forbid([^_?PKG_[A-Z_]+$]) m4_pattern_allow([^PKG_CONFIG(_(PATH|LIBDIR|SYSROOT_DIR|ALLOW_SYSTEM_(CFLAGS|LIBS)))?$]) m4_pattern_allow([^PKG_CONFIG_(DISABLE_UNINSTALLED|TOP_BUILD_DIR|DEBUG_SPEW)$]) AC_ARG_VAR([PKG_CONFIG], [path to pkg-config utility]) AC_ARG_VAR([PKG_CONFIG_PATH], [directories to add to pkg-config's search path]) AC_ARG_VAR([PKG_CONFIG_LIBDIR], [path overriding pkg-config's built-in search path]) if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then AC_PATH_TOOL([PKG_CONFIG], [pkg-config]) fi if test -n "$PKG_CONFIG"; then _pkg_min_version=m4_default([$1], [0.9.0]) AC_MSG_CHECKING([pkg-config is at least version $_pkg_min_version]) if $PKG_CONFIG --atleast-pkgconfig-version $_pkg_min_version; then AC_MSG_RESULT([yes]) else AC_MSG_RESULT([no]) PKG_CONFIG="" fi fi[]dnl ])dnl PKG_PROG_PKG_CONFIG dnl PKG_CHECK_EXISTS(MODULES, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND]) dnl ------------------------------------------------------------------- dnl Since: 0.18 dnl dnl Check to see whether a particular set of modules exists. Similar to dnl PKG_CHECK_MODULES(), but does not set variables or print errors. dnl dnl Please remember that m4 expands AC_REQUIRE([PKG_PROG_PKG_CONFIG]) dnl only at the first occurrence in configure.ac, so if the first place dnl it's called might be skipped (such as if it is within an "if", you dnl have to call PKG_CHECK_EXISTS manually AC_DEFUN([PKG_CHECK_EXISTS], [AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl if test -n "$PKG_CONFIG" && \ AC_RUN_LOG([$PKG_CONFIG --exists --print-errors "$1"]); then m4_default([$2], [:]) m4_ifvaln([$3], [else $3])dnl fi]) dnl _PKG_CONFIG([VARIABLE], [COMMAND], [MODULES]) dnl --------------------------------------------- dnl Internal wrapper calling pkg-config via PKG_CONFIG and setting dnl pkg_failed based on the result. m4_define([_PKG_CONFIG], [if test -n "$$1"; then pkg_cv_[]$1="$$1" elif test -n "$PKG_CONFIG"; then PKG_CHECK_EXISTS([$3], [pkg_cv_[]$1=`$PKG_CONFIG --[]$2 "$3" 2>/dev/null` test "x$?" != "x0" && pkg_failed=yes ], [pkg_failed=yes]) else pkg_failed=untried fi[]dnl ])dnl _PKG_CONFIG dnl _PKG_SHORT_ERRORS_SUPPORTED dnl --------------------------- dnl Internal check to see if pkg-config supports short errors. AC_DEFUN([_PKG_SHORT_ERRORS_SUPPORTED], [AC_REQUIRE([PKG_PROG_PKG_CONFIG]) if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then _pkg_short_errors_supported=yes else _pkg_short_errors_supported=no fi[]dnl ])dnl _PKG_SHORT_ERRORS_SUPPORTED dnl PKG_CHECK_MODULES(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND], dnl [ACTION-IF-NOT-FOUND]) dnl -------------------------------------------------------------- dnl Since: 0.4.0 dnl dnl Note that if there is a possibility the first call to dnl PKG_CHECK_MODULES might not happen, you should be sure to include an dnl explicit call to PKG_PROG_PKG_CONFIG in your configure.ac AC_DEFUN([PKG_CHECK_MODULES], [AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl AC_ARG_VAR([$1][_CFLAGS], [C compiler flags for $1, overriding pkg-config])dnl AC_ARG_VAR([$1][_LIBS], [linker flags for $1, overriding pkg-config])dnl pkg_failed=no AC_MSG_CHECKING([for $2]) _PKG_CONFIG([$1][_CFLAGS], [cflags], [$2]) _PKG_CONFIG([$1][_LIBS], [libs], [$2]) m4_define([_PKG_TEXT], [Alternatively, you may set the environment variables $1[]_CFLAGS and $1[]_LIBS to avoid the need to call pkg-config. 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Make sure it is in your PATH or set the PKG_CONFIG environment variable to the full path to pkg-config. _PKG_TEXT To get pkg-config, see .])[]dnl ]) else $1[]_CFLAGS=$pkg_cv_[]$1[]_CFLAGS $1[]_LIBS=$pkg_cv_[]$1[]_LIBS AC_MSG_RESULT([yes]) $3 fi[]dnl ])dnl PKG_CHECK_MODULES dnl PKG_CHECK_MODULES_STATIC(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND], dnl [ACTION-IF-NOT-FOUND]) dnl --------------------------------------------------------------------- dnl Since: 0.29 dnl dnl Checks for existence of MODULES and gathers its build flags with dnl static libraries enabled. Sets VARIABLE-PREFIX_CFLAGS from --cflags dnl and VARIABLE-PREFIX_LIBS from --libs. dnl dnl Note that if there is a possibility the first call to dnl PKG_CHECK_MODULES_STATIC might not happen, you should be sure to dnl include an explicit call to PKG_PROG_PKG_CONFIG in your dnl configure.ac. AC_DEFUN([PKG_CHECK_MODULES_STATIC], [AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl _save_PKG_CONFIG=$PKG_CONFIG PKG_CONFIG="$PKG_CONFIG --static" PKG_CHECK_MODULES($@) PKG_CONFIG=$_save_PKG_CONFIG[]dnl ])dnl PKG_CHECK_MODULES_STATIC dnl PKG_INSTALLDIR([DIRECTORY]) dnl ------------------------- dnl Since: 0.27 dnl dnl Substitutes the variable pkgconfigdir as the location where a module dnl should install pkg-config .pc files. By default the directory is dnl $libdir/pkgconfig, but the default can be changed by passing dnl DIRECTORY. The user can override through the --with-pkgconfigdir dnl parameter. AC_DEFUN([PKG_INSTALLDIR], [m4_pushdef([pkg_default], [m4_default([$1], ['${libdir}/pkgconfig'])]) m4_pushdef([pkg_description], [pkg-config installation directory @<:@]pkg_default[@:>@]) AC_ARG_WITH([pkgconfigdir], [AS_HELP_STRING([--with-pkgconfigdir], pkg_description)],, [with_pkgconfigdir=]pkg_default) AC_SUBST([pkgconfigdir], [$with_pkgconfigdir]) m4_popdef([pkg_default]) m4_popdef([pkg_description]) ])dnl PKG_INSTALLDIR dnl PKG_NOARCH_INSTALLDIR([DIRECTORY]) dnl -------------------------------- dnl Since: 0.27 dnl dnl Substitutes the variable noarch_pkgconfigdir as the location where a dnl module should install arch-independent pkg-config .pc files. By dnl default the directory is $datadir/pkgconfig, but the default can be dnl changed by passing DIRECTORY. The user can override through the dnl --with-noarch-pkgconfigdir parameter. AC_DEFUN([PKG_NOARCH_INSTALLDIR], [m4_pushdef([pkg_default], [m4_default([$1], ['${datadir}/pkgconfig'])]) m4_pushdef([pkg_description], [pkg-config arch-independent installation directory @<:@]pkg_default[@:>@]) AC_ARG_WITH([noarch-pkgconfigdir], [AS_HELP_STRING([--with-noarch-pkgconfigdir], pkg_description)],, [with_noarch_pkgconfigdir=]pkg_default) AC_SUBST([noarch_pkgconfigdir], [$with_noarch_pkgconfigdir]) m4_popdef([pkg_default]) m4_popdef([pkg_description]) ])dnl PKG_NOARCH_INSTALLDIR dnl PKG_CHECK_VAR(VARIABLE, MODULE, CONFIG-VARIABLE, dnl [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND]) dnl ------------------------------------------- dnl Since: 0.28 dnl dnl Retrieves the value of the pkg-config variable for the given module. AC_DEFUN([PKG_CHECK_VAR], [AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl AC_ARG_VAR([$1], [value of $3 for $2, overriding pkg-config])dnl _PKG_CONFIG([$1], [variable="][$3]["], [$2]) AS_VAR_COPY([$1], [pkg_cv_][$1]) AS_VAR_IF([$1], [""], [$5], [$4])dnl ])dnl PKG_CHECK_VAR dnl PKG_WITH_MODULES(VARIABLE-PREFIX, MODULES, dnl [ACTION-IF-FOUND],[ACTION-IF-NOT-FOUND], dnl [DESCRIPTION], [DEFAULT]) dnl ------------------------------------------ dnl dnl Prepare a "--with-" configure option using the lowercase dnl [VARIABLE-PREFIX] name, merging the behaviour of AC_ARG_WITH and dnl PKG_CHECK_MODULES in a single macro. AC_DEFUN([PKG_WITH_MODULES], [ m4_pushdef([with_arg], m4_tolower([$1])) m4_pushdef([description], [m4_default([$5], [build with ]with_arg[ support])]) m4_pushdef([def_arg], [m4_default([$6], [auto])]) m4_pushdef([def_action_if_found], [AS_TR_SH([with_]with_arg)=yes]) m4_pushdef([def_action_if_not_found], [AS_TR_SH([with_]with_arg)=no]) m4_case(def_arg, [yes],[m4_pushdef([with_without], [--without-]with_arg)], [m4_pushdef([with_without],[--with-]with_arg)]) AC_ARG_WITH(with_arg, AS_HELP_STRING(with_without, description[ @<:@default=]def_arg[@:>@]),, [AS_TR_SH([with_]with_arg)=def_arg]) AS_CASE([$AS_TR_SH([with_]with_arg)], [yes],[PKG_CHECK_MODULES([$1],[$2],$3,$4)], [auto],[PKG_CHECK_MODULES([$1],[$2], [m4_n([def_action_if_found]) $3], [m4_n([def_action_if_not_found]) $4])]) m4_popdef([with_arg]) m4_popdef([description]) m4_popdef([def_arg]) ])dnl PKG_WITH_MODULES dnl PKG_HAVE_WITH_MODULES(VARIABLE-PREFIX, MODULES, dnl [DESCRIPTION], [DEFAULT]) dnl ----------------------------------------------- dnl dnl Convenience macro to trigger AM_CONDITIONAL after PKG_WITH_MODULES dnl check._[VARIABLE-PREFIX] is exported as make variable. AC_DEFUN([PKG_HAVE_WITH_MODULES], [ PKG_WITH_MODULES([$1],[$2],,,[$3],[$4]) AM_CONDITIONAL([HAVE_][$1], [test "$AS_TR_SH([with_]m4_tolower([$1]))" = "yes"]) ])dnl PKG_HAVE_WITH_MODULES dnl PKG_HAVE_DEFINE_WITH_MODULES(VARIABLE-PREFIX, MODULES, dnl [DESCRIPTION], [DEFAULT]) dnl ------------------------------------------------------ dnl dnl Convenience macro to run AM_CONDITIONAL and AC_DEFINE after dnl PKG_WITH_MODULES check. HAVE_[VARIABLE-PREFIX] is exported as make dnl and preprocessor variable. AC_DEFUN([PKG_HAVE_DEFINE_WITH_MODULES], [ PKG_HAVE_WITH_MODULES([$1],[$2],[$3],[$4]) AS_IF([test "$AS_TR_SH([with_]m4_tolower([$1]))" = "yes"], [AC_DEFINE([HAVE_][$1], 1, [Enable ]m4_tolower([$1])[ support])]) ])dnl PKG_HAVE_DEFINE_WITH_MODULES movit-1.7.1/config.guess0000755000175000017500000014051214462263705014240 0ustar sessesesse#! /bin/sh # Attempt to guess a canonical system name. # Copyright 1992-2022 Free Software Foundation, Inc. # shellcheck disable=SC2006,SC2268 # see below for rationale timestamp='2022-01-09' # This file is free software; you can redistribute it and/or modify it # under the terms of the GNU General Public License as published by # the Free Software Foundation, either version 3 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, but # WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, see . # # As a special exception to the GNU General Public License, if you # distribute this file as part of a program that contains a # configuration script generated by Autoconf, you may include it under # the same distribution terms that you use for the rest of that # program. This Exception is an additional permission under section 7 # of the GNU General Public License, version 3 ("GPLv3"). # # Originally written by Per Bothner; maintained since 2000 by Ben Elliston. # # You can get the latest version of this script from: # https://git.savannah.gnu.org/cgit/config.git/plain/config.guess # # Please send patches to . # The "shellcheck disable" line above the timestamp inhibits complaints # about features and limitations of the classic Bourne shell that were # superseded or lifted in POSIX. However, this script identifies a wide # variety of pre-POSIX systems that do not have POSIX shells at all, and # even some reasonably current systems (Solaris 10 as case-in-point) still # have a pre-POSIX /bin/sh. me=`echo "$0" | sed -e 's,.*/,,'` usage="\ Usage: $0 [OPTION] Output the configuration name of the system \`$me' is run on. Options: -h, --help print this help, then exit -t, --time-stamp print date of last modification, then exit -v, --version print version number, then exit Report bugs and patches to ." version="\ GNU config.guess ($timestamp) Originally written by Per Bothner. Copyright 1992-2022 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE." help=" Try \`$me --help' for more information." # Parse command line while test $# -gt 0 ; do case $1 in --time-stamp | --time* | -t ) echo "$timestamp" ; exit ;; --version | -v ) echo "$version" ; exit ;; --help | --h* | -h ) echo "$usage"; exit ;; -- ) # Stop option processing shift; break ;; - ) # Use stdin as input. break ;; -* ) echo "$me: invalid option $1$help" >&2 exit 1 ;; * ) break ;; esac done if test $# != 0; then echo "$me: too many arguments$help" >&2 exit 1 fi # Just in case it came from the environment. GUESS= # CC_FOR_BUILD -- compiler used by this script. Note that the use of a # compiler to aid in system detection is discouraged as it requires # temporary files to be created and, as you can see below, it is a # headache to deal with in a portable fashion. # Historically, `CC_FOR_BUILD' used to be named `HOST_CC'. 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HP_ARCH=m68000 ;; 9000/[34]??) HP_ARCH=m68k ;; 9000/[678][0-9][0-9]) if test -x /usr/bin/getconf; then sc_cpu_version=`/usr/bin/getconf SC_CPU_VERSION 2>/dev/null` sc_kernel_bits=`/usr/bin/getconf SC_KERNEL_BITS 2>/dev/null` case $sc_cpu_version in 523) HP_ARCH=hppa1.0 ;; # CPU_PA_RISC1_0 528) HP_ARCH=hppa1.1 ;; # CPU_PA_RISC1_1 532) # CPU_PA_RISC2_0 case $sc_kernel_bits in 32) HP_ARCH=hppa2.0n ;; 64) HP_ARCH=hppa2.0w ;; '') HP_ARCH=hppa2.0 ;; # HP-UX 10.20 esac ;; esac fi if test "$HP_ARCH" = ""; then set_cc_for_build sed 's/^ //' << EOF > "$dummy.c" #define _HPUX_SOURCE #include #include int main () { #if defined(_SC_KERNEL_BITS) long bits = sysconf(_SC_KERNEL_BITS); #endif long cpu = sysconf (_SC_CPU_VERSION); switch (cpu) { case CPU_PA_RISC1_0: puts ("hppa1.0"); break; case CPU_PA_RISC1_1: puts ("hppa1.1"); break; case CPU_PA_RISC2_0: #if defined(_SC_KERNEL_BITS) switch (bits) { case 64: puts ("hppa2.0w"); break; case 32: puts ("hppa2.0n"); break; default: puts ("hppa2.0"); break; } break; #else /* !defined(_SC_KERNEL_BITS) */ puts ("hppa2.0"); break; #endif default: puts ("hppa1.0"); break; } exit (0); } EOF (CCOPTS="" $CC_FOR_BUILD -o "$dummy" "$dummy.c" 2>/dev/null) && HP_ARCH=`"$dummy"` test -z "$HP_ARCH" && HP_ARCH=hppa fi ;; esac if test "$HP_ARCH" = hppa2.0w then set_cc_for_build # hppa2.0w-hp-hpux* has a 64-bit kernel and a compiler generating # 32-bit code. hppa64-hp-hpux* has the same kernel and a compiler # generating 64-bit code. GNU and HP use different nomenclature: # # $ CC_FOR_BUILD=cc ./config.guess # => hppa2.0w-hp-hpux11.23 # $ CC_FOR_BUILD="cc +DA2.0w" ./config.guess # => hppa64-hp-hpux11.23 if echo __LP64__ | (CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) | grep -q __LP64__ then HP_ARCH=hppa2.0w else HP_ARCH=hppa64 fi fi GUESS=$HP_ARCH-hp-hpux$HPUX_REV ;; ia64:HP-UX:*:*) HPUX_REV=`echo "$UNAME_RELEASE" | sed -e 's/[^.]*.[0B]*//'` GUESS=ia64-hp-hpux$HPUX_REV ;; 3050*:HI-UX:*:*) set_cc_for_build sed 's/^ //' << EOF > "$dummy.c" #include int main () { long cpu = sysconf (_SC_CPU_VERSION); /* The order matters, because CPU_IS_HP_MC68K erroneously returns true for CPU_PA_RISC1_0. CPU_IS_PA_RISC returns correct results, however. */ if (CPU_IS_PA_RISC (cpu)) { switch (cpu) { case CPU_PA_RISC1_0: puts ("hppa1.0-hitachi-hiuxwe2"); break; case CPU_PA_RISC1_1: puts ("hppa1.1-hitachi-hiuxwe2"); break; case CPU_PA_RISC2_0: puts ("hppa2.0-hitachi-hiuxwe2"); break; default: puts ("hppa-hitachi-hiuxwe2"); break; } } else if (CPU_IS_HP_MC68K (cpu)) puts ("m68k-hitachi-hiuxwe2"); else puts ("unknown-hitachi-hiuxwe2"); exit (0); } EOF $CC_FOR_BUILD -o "$dummy" "$dummy.c" && SYSTEM_NAME=`"$dummy"` && { echo "$SYSTEM_NAME"; exit; } GUESS=unknown-hitachi-hiuxwe2 ;; 9000/7??:4.3bsd:*:* | 9000/8?[79]:4.3bsd:*:*) GUESS=hppa1.1-hp-bsd ;; 9000/8??:4.3bsd:*:*) GUESS=hppa1.0-hp-bsd ;; *9??*:MPE/iX:*:* | *3000*:MPE/iX:*:*) GUESS=hppa1.0-hp-mpeix ;; hp7??:OSF1:*:* | hp8?[79]:OSF1:*:*) GUESS=hppa1.1-hp-osf ;; hp8??:OSF1:*:*) GUESS=hppa1.0-hp-osf ;; i*86:OSF1:*:*) if test -x /usr/sbin/sysversion ; then GUESS=$UNAME_MACHINE-unknown-osf1mk else GUESS=$UNAME_MACHINE-unknown-osf1 fi ;; parisc*:Lites*:*:*) GUESS=hppa1.1-hp-lites ;; C1*:ConvexOS:*:* | convex:ConvexOS:C1*:*) GUESS=c1-convex-bsd ;; C2*:ConvexOS:*:* | convex:ConvexOS:C2*:*) if getsysinfo -f scalar_acc then echo c32-convex-bsd else echo c2-convex-bsd fi exit ;; C34*:ConvexOS:*:* | convex:ConvexOS:C34*:*) GUESS=c34-convex-bsd ;; C38*:ConvexOS:*:* | convex:ConvexOS:C38*:*) GUESS=c38-convex-bsd ;; C4*:ConvexOS:*:* | convex:ConvexOS:C4*:*) GUESS=c4-convex-bsd ;; CRAY*Y-MP:*:*:*) CRAY_REL=`echo "$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/'` GUESS=ymp-cray-unicos$CRAY_REL ;; CRAY*[A-Z]90:*:*:*) echo "$UNAME_MACHINE"-cray-unicos"$UNAME_RELEASE" \ | sed -e 's/CRAY.*\([A-Z]90\)/\1/' \ -e y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/ \ -e 's/\.[^.]*$/.X/' exit ;; CRAY*TS:*:*:*) CRAY_REL=`echo "$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/'` GUESS=t90-cray-unicos$CRAY_REL ;; CRAY*T3E:*:*:*) CRAY_REL=`echo "$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/'` GUESS=alphaev5-cray-unicosmk$CRAY_REL ;; CRAY*SV1:*:*:*) CRAY_REL=`echo "$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/'` GUESS=sv1-cray-unicos$CRAY_REL ;; *:UNICOS/mp:*:*) CRAY_REL=`echo "$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/'` GUESS=craynv-cray-unicosmp$CRAY_REL ;; F30[01]:UNIX_System_V:*:* | F700:UNIX_System_V:*:*) FUJITSU_PROC=`uname -m | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz` FUJITSU_SYS=`uname -p | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz | sed -e 's/\///'` FUJITSU_REL=`echo "$UNAME_RELEASE" | sed -e 's/ /_/'` GUESS=${FUJITSU_PROC}-fujitsu-${FUJITSU_SYS}${FUJITSU_REL} ;; 5000:UNIX_System_V:4.*:*) FUJITSU_SYS=`uname -p | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz | sed -e 's/\///'` FUJITSU_REL=`echo "$UNAME_RELEASE" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz | sed -e 's/ /_/'` GUESS=sparc-fujitsu-${FUJITSU_SYS}${FUJITSU_REL} ;; i*86:BSD/386:*:* | i*86:BSD/OS:*:* | *:Ascend\ Embedded/OS:*:*) GUESS=$UNAME_MACHINE-pc-bsdi$UNAME_RELEASE ;; sparc*:BSD/OS:*:*) GUESS=sparc-unknown-bsdi$UNAME_RELEASE ;; *:BSD/OS:*:*) GUESS=$UNAME_MACHINE-unknown-bsdi$UNAME_RELEASE ;; arm:FreeBSD:*:*) UNAME_PROCESSOR=`uname -p` set_cc_for_build if echo __ARM_PCS_VFP | $CC_FOR_BUILD -E - 2>/dev/null \ | grep -q __ARM_PCS_VFP then FREEBSD_REL=`echo "$UNAME_RELEASE" | sed -e 's/[-(].*//'` GUESS=$UNAME_PROCESSOR-unknown-freebsd$FREEBSD_REL-gnueabi else FREEBSD_REL=`echo "$UNAME_RELEASE" | sed -e 's/[-(].*//'` GUESS=$UNAME_PROCESSOR-unknown-freebsd$FREEBSD_REL-gnueabihf fi ;; *:FreeBSD:*:*) UNAME_PROCESSOR=`/usr/bin/uname -p` case $UNAME_PROCESSOR in amd64) UNAME_PROCESSOR=x86_64 ;; i386) UNAME_PROCESSOR=i586 ;; esac FREEBSD_REL=`echo "$UNAME_RELEASE" | sed -e 's/[-(].*//'` GUESS=$UNAME_PROCESSOR-unknown-freebsd$FREEBSD_REL ;; i*:CYGWIN*:*) GUESS=$UNAME_MACHINE-pc-cygwin ;; *:MINGW64*:*) GUESS=$UNAME_MACHINE-pc-mingw64 ;; *:MINGW*:*) GUESS=$UNAME_MACHINE-pc-mingw32 ;; *:MSYS*:*) GUESS=$UNAME_MACHINE-pc-msys ;; i*:PW*:*) GUESS=$UNAME_MACHINE-pc-pw32 ;; *:SerenityOS:*:*) GUESS=$UNAME_MACHINE-pc-serenity ;; *:Interix*:*) case $UNAME_MACHINE in x86) GUESS=i586-pc-interix$UNAME_RELEASE ;; authenticamd | genuineintel | EM64T) GUESS=x86_64-unknown-interix$UNAME_RELEASE ;; IA64) GUESS=ia64-unknown-interix$UNAME_RELEASE ;; esac ;; i*:UWIN*:*) GUESS=$UNAME_MACHINE-pc-uwin ;; amd64:CYGWIN*:*:* | x86_64:CYGWIN*:*:*) GUESS=x86_64-pc-cygwin ;; prep*:SunOS:5.*:*) SUN_REL=`echo "$UNAME_RELEASE" | sed -e 's/[^.]*//'` GUESS=powerpcle-unknown-solaris2$SUN_REL ;; *:GNU:*:*) # the GNU system GNU_ARCH=`echo "$UNAME_MACHINE" | sed -e 's,[-/].*$,,'` GNU_REL=`echo "$UNAME_RELEASE" | sed -e 's,/.*$,,'` GUESS=$GNU_ARCH-unknown-$LIBC$GNU_REL ;; *:GNU/*:*:*) # other systems with GNU libc and userland GNU_SYS=`echo "$UNAME_SYSTEM" | sed 's,^[^/]*/,,' | tr "[:upper:]" "[:lower:]"` GNU_REL=`echo "$UNAME_RELEASE" | sed -e 's/[-(].*//'` GUESS=$UNAME_MACHINE-unknown-$GNU_SYS$GNU_REL-$LIBC ;; *:Minix:*:*) GUESS=$UNAME_MACHINE-unknown-minix ;; aarch64:Linux:*:*) GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; aarch64_be:Linux:*:*) UNAME_MACHINE=aarch64_be GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; alpha:Linux:*:*) case `sed -n '/^cpu model/s/^.*: \(.*\)/\1/p' /proc/cpuinfo 2>/dev/null` in EV5) UNAME_MACHINE=alphaev5 ;; EV56) UNAME_MACHINE=alphaev56 ;; PCA56) UNAME_MACHINE=alphapca56 ;; PCA57) UNAME_MACHINE=alphapca56 ;; EV6) UNAME_MACHINE=alphaev6 ;; EV67) UNAME_MACHINE=alphaev67 ;; EV68*) UNAME_MACHINE=alphaev68 ;; esac objdump --private-headers /bin/sh | grep -q ld.so.1 if test "$?" = 0 ; then LIBC=gnulibc1 ; fi GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; arc:Linux:*:* | arceb:Linux:*:* | arc32:Linux:*:* | arc64:Linux:*:*) GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; arm*:Linux:*:*) set_cc_for_build if echo __ARM_EABI__ | $CC_FOR_BUILD -E - 2>/dev/null \ | grep -q __ARM_EABI__ then GUESS=$UNAME_MACHINE-unknown-linux-$LIBC else if echo __ARM_PCS_VFP | $CC_FOR_BUILD -E - 2>/dev/null \ | grep -q __ARM_PCS_VFP then GUESS=$UNAME_MACHINE-unknown-linux-${LIBC}eabi else GUESS=$UNAME_MACHINE-unknown-linux-${LIBC}eabihf fi fi ;; avr32*:Linux:*:*) GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; cris:Linux:*:*) GUESS=$UNAME_MACHINE-axis-linux-$LIBC ;; crisv32:Linux:*:*) GUESS=$UNAME_MACHINE-axis-linux-$LIBC ;; e2k:Linux:*:*) GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; frv:Linux:*:*) GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; hexagon:Linux:*:*) GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; i*86:Linux:*:*) GUESS=$UNAME_MACHINE-pc-linux-$LIBC ;; ia64:Linux:*:*) GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; k1om:Linux:*:*) GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; loongarch32:Linux:*:* | loongarch64:Linux:*:* | loongarchx32:Linux:*:*) GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; m32r*:Linux:*:*) GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; m68*:Linux:*:*) GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; mips:Linux:*:* | mips64:Linux:*:*) set_cc_for_build IS_GLIBC=0 test x"${LIBC}" = xgnu && IS_GLIBC=1 sed 's/^ //' << EOF > "$dummy.c" #undef CPU #undef mips #undef mipsel #undef mips64 #undef mips64el #if ${IS_GLIBC} && defined(_ABI64) LIBCABI=gnuabi64 #else #if ${IS_GLIBC} && defined(_ABIN32) LIBCABI=gnuabin32 #else LIBCABI=${LIBC} #endif #endif #if ${IS_GLIBC} && defined(__mips64) && defined(__mips_isa_rev) && __mips_isa_rev>=6 CPU=mipsisa64r6 #else #if ${IS_GLIBC} && !defined(__mips64) && defined(__mips_isa_rev) && __mips_isa_rev>=6 CPU=mipsisa32r6 #else #if defined(__mips64) CPU=mips64 #else CPU=mips #endif #endif #endif #if defined(__MIPSEL__) || defined(__MIPSEL) || defined(_MIPSEL) || defined(MIPSEL) MIPS_ENDIAN=el #else #if defined(__MIPSEB__) || defined(__MIPSEB) || defined(_MIPSEB) || defined(MIPSEB) MIPS_ENDIAN= #else MIPS_ENDIAN= #endif #endif EOF cc_set_vars=`$CC_FOR_BUILD -E "$dummy.c" 2>/dev/null | grep '^CPU\|^MIPS_ENDIAN\|^LIBCABI'` eval "$cc_set_vars" test "x$CPU" != x && { echo "$CPU${MIPS_ENDIAN}-unknown-linux-$LIBCABI"; exit; } ;; mips64el:Linux:*:*) GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; openrisc*:Linux:*:*) GUESS=or1k-unknown-linux-$LIBC ;; or32:Linux:*:* | or1k*:Linux:*:*) GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; padre:Linux:*:*) GUESS=sparc-unknown-linux-$LIBC ;; parisc64:Linux:*:* | hppa64:Linux:*:*) GUESS=hppa64-unknown-linux-$LIBC ;; parisc:Linux:*:* | hppa:Linux:*:*) # Look for CPU level case `grep '^cpu[^a-z]*:' /proc/cpuinfo 2>/dev/null | cut -d' ' -f2` in PA7*) GUESS=hppa1.1-unknown-linux-$LIBC ;; PA8*) GUESS=hppa2.0-unknown-linux-$LIBC ;; *) GUESS=hppa-unknown-linux-$LIBC ;; esac ;; ppc64:Linux:*:*) GUESS=powerpc64-unknown-linux-$LIBC ;; ppc:Linux:*:*) GUESS=powerpc-unknown-linux-$LIBC ;; ppc64le:Linux:*:*) GUESS=powerpc64le-unknown-linux-$LIBC ;; ppcle:Linux:*:*) GUESS=powerpcle-unknown-linux-$LIBC ;; riscv32:Linux:*:* | riscv32be:Linux:*:* | riscv64:Linux:*:* | riscv64be:Linux:*:*) GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; s390:Linux:*:* | s390x:Linux:*:*) GUESS=$UNAME_MACHINE-ibm-linux-$LIBC ;; sh64*:Linux:*:*) GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; sh*:Linux:*:*) GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; sparc:Linux:*:* | sparc64:Linux:*:*) GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; tile*:Linux:*:*) GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; vax:Linux:*:*) GUESS=$UNAME_MACHINE-dec-linux-$LIBC ;; x86_64:Linux:*:*) set_cc_for_build LIBCABI=$LIBC if test "$CC_FOR_BUILD" != no_compiler_found; then if (echo '#ifdef __ILP32__'; echo IS_X32; echo '#endif') | \ (CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) | \ grep IS_X32 >/dev/null then LIBCABI=${LIBC}x32 fi fi GUESS=$UNAME_MACHINE-pc-linux-$LIBCABI ;; xtensa*:Linux:*:*) GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; i*86:DYNIX/ptx:4*:*) # ptx 4.0 does uname -s correctly, with DYNIX/ptx in there. # earlier versions are messed up and put the nodename in both # sysname and nodename. GUESS=i386-sequent-sysv4 ;; i*86:UNIX_SV:4.2MP:2.*) # Unixware is an offshoot of SVR4, but it has its own version # number series starting with 2... # I am not positive that other SVR4 systems won't match this, # I just have to hope. -- rms. # Use sysv4.2uw... so that sysv4* matches it. GUESS=$UNAME_MACHINE-pc-sysv4.2uw$UNAME_VERSION ;; i*86:OS/2:*:*) # If we were able to find `uname', then EMX Unix compatibility # is probably installed. GUESS=$UNAME_MACHINE-pc-os2-emx ;; i*86:XTS-300:*:STOP) GUESS=$UNAME_MACHINE-unknown-stop ;; i*86:atheos:*:*) GUESS=$UNAME_MACHINE-unknown-atheos ;; i*86:syllable:*:*) GUESS=$UNAME_MACHINE-pc-syllable ;; i*86:LynxOS:2.*:* | i*86:LynxOS:3.[01]*:* | i*86:LynxOS:4.[02]*:*) GUESS=i386-unknown-lynxos$UNAME_RELEASE ;; i*86:*DOS:*:*) GUESS=$UNAME_MACHINE-pc-msdosdjgpp ;; i*86:*:4.*:*) UNAME_REL=`echo "$UNAME_RELEASE" | sed 's/\/MP$//'` if grep Novell /usr/include/link.h >/dev/null 2>/dev/null; then GUESS=$UNAME_MACHINE-univel-sysv$UNAME_REL else GUESS=$UNAME_MACHINE-pc-sysv$UNAME_REL fi ;; i*86:*:5:[678]*) # UnixWare 7.x, OpenUNIX and OpenServer 6. case `/bin/uname -X | grep "^Machine"` in *486*) UNAME_MACHINE=i486 ;; *Pentium) UNAME_MACHINE=i586 ;; *Pent*|*Celeron) UNAME_MACHINE=i686 ;; esac GUESS=$UNAME_MACHINE-unknown-sysv${UNAME_RELEASE}${UNAME_SYSTEM}${UNAME_VERSION} ;; i*86:*:3.2:*) if test -f /usr/options/cb.name; then UNAME_REL=`sed -n 's/.*Version //p' /dev/null >/dev/null ; then UNAME_REL=`(/bin/uname -X|grep Release|sed -e 's/.*= //')` (/bin/uname -X|grep i80486 >/dev/null) && UNAME_MACHINE=i486 (/bin/uname -X|grep '^Machine.*Pentium' >/dev/null) \ && UNAME_MACHINE=i586 (/bin/uname -X|grep '^Machine.*Pent *II' >/dev/null) \ && UNAME_MACHINE=i686 (/bin/uname -X|grep '^Machine.*Pentium Pro' >/dev/null) \ && UNAME_MACHINE=i686 GUESS=$UNAME_MACHINE-pc-sco$UNAME_REL else GUESS=$UNAME_MACHINE-pc-sysv32 fi ;; pc:*:*:*) # Left here for compatibility: # uname -m prints for DJGPP always 'pc', but it prints nothing about # the processor, so we play safe by assuming i586. # Note: whatever this is, it MUST be the same as what config.sub # prints for the "djgpp" host, or else GDB configure will decide that # this is a cross-build. GUESS=i586-pc-msdosdjgpp ;; Intel:Mach:3*:*) GUESS=i386-pc-mach3 ;; paragon:*:*:*) GUESS=i860-intel-osf1 ;; i860:*:4.*:*) # i860-SVR4 if grep Stardent /usr/include/sys/uadmin.h >/dev/null 2>&1 ; then GUESS=i860-stardent-sysv$UNAME_RELEASE # Stardent Vistra i860-SVR4 else # Add other i860-SVR4 vendors below as they are discovered. GUESS=i860-unknown-sysv$UNAME_RELEASE # Unknown i860-SVR4 fi ;; mini*:CTIX:SYS*5:*) # "miniframe" GUESS=m68010-convergent-sysv ;; mc68k:UNIX:SYSTEM5:3.51m) GUESS=m68k-convergent-sysv ;; M680?0:D-NIX:5.3:*) GUESS=m68k-diab-dnix ;; M68*:*:R3V[5678]*:*) test -r /sysV68 && { echo 'm68k-motorola-sysv'; exit; } ;; 3[345]??:*:4.0:3.0 | 3[34]??A:*:4.0:3.0 | 3[34]??,*:*:4.0:3.0 | 3[34]??/*:*:4.0:3.0 | 4400:*:4.0:3.0 | 4850:*:4.0:3.0 | SKA40:*:4.0:3.0 | SDS2:*:4.0:3.0 | SHG2:*:4.0:3.0 | S7501*:*:4.0:3.0) OS_REL='' test -r /etc/.relid \ && OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid` /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ && { echo i486-ncr-sysv4.3"$OS_REL"; exit; } /bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \ && { echo i586-ncr-sysv4.3"$OS_REL"; exit; } ;; 3[34]??:*:4.0:* | 3[34]??,*:*:4.0:*) /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ && { echo i486-ncr-sysv4; exit; } ;; NCR*:*:4.2:* | MPRAS*:*:4.2:*) OS_REL='.3' test -r /etc/.relid \ && OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid` /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ && { echo i486-ncr-sysv4.3"$OS_REL"; exit; } /bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \ && { echo i586-ncr-sysv4.3"$OS_REL"; exit; } /bin/uname -p 2>/dev/null | /bin/grep pteron >/dev/null \ && { echo i586-ncr-sysv4.3"$OS_REL"; exit; } ;; m68*:LynxOS:2.*:* | m68*:LynxOS:3.0*:*) GUESS=m68k-unknown-lynxos$UNAME_RELEASE ;; mc68030:UNIX_System_V:4.*:*) GUESS=m68k-atari-sysv4 ;; TSUNAMI:LynxOS:2.*:*) GUESS=sparc-unknown-lynxos$UNAME_RELEASE ;; rs6000:LynxOS:2.*:*) GUESS=rs6000-unknown-lynxos$UNAME_RELEASE ;; PowerPC:LynxOS:2.*:* | PowerPC:LynxOS:3.[01]*:* | PowerPC:LynxOS:4.[02]*:*) GUESS=powerpc-unknown-lynxos$UNAME_RELEASE ;; SM[BE]S:UNIX_SV:*:*) GUESS=mips-dde-sysv$UNAME_RELEASE ;; RM*:ReliantUNIX-*:*:*) GUESS=mips-sni-sysv4 ;; RM*:SINIX-*:*:*) GUESS=mips-sni-sysv4 ;; *:SINIX-*:*:*) if uname -p 2>/dev/null >/dev/null ; then UNAME_MACHINE=`(uname -p) 2>/dev/null` GUESS=$UNAME_MACHINE-sni-sysv4 else GUESS=ns32k-sni-sysv fi ;; PENTIUM:*:4.0*:*) # Unisys `ClearPath HMP IX 4000' SVR4/MP effort # says GUESS=i586-unisys-sysv4 ;; *:UNIX_System_V:4*:FTX*) # From Gerald Hewes . # How about differentiating between stratus architectures? -djm GUESS=hppa1.1-stratus-sysv4 ;; *:*:*:FTX*) # From seanf@swdc.stratus.com. GUESS=i860-stratus-sysv4 ;; i*86:VOS:*:*) # From Paul.Green@stratus.com. GUESS=$UNAME_MACHINE-stratus-vos ;; *:VOS:*:*) # From Paul.Green@stratus.com. GUESS=hppa1.1-stratus-vos ;; mc68*:A/UX:*:*) GUESS=m68k-apple-aux$UNAME_RELEASE ;; news*:NEWS-OS:6*:*) GUESS=mips-sony-newsos6 ;; R[34]000:*System_V*:*:* | R4000:UNIX_SYSV:*:* | R*000:UNIX_SV:*:*) if test -d /usr/nec; then GUESS=mips-nec-sysv$UNAME_RELEASE else GUESS=mips-unknown-sysv$UNAME_RELEASE fi ;; BeBox:BeOS:*:*) # BeOS running on hardware made by Be, PPC only. GUESS=powerpc-be-beos ;; BeMac:BeOS:*:*) # BeOS running on Mac or Mac clone, PPC only. GUESS=powerpc-apple-beos ;; BePC:BeOS:*:*) # BeOS running on Intel PC compatible. GUESS=i586-pc-beos ;; BePC:Haiku:*:*) # Haiku running on Intel PC compatible. GUESS=i586-pc-haiku ;; x86_64:Haiku:*:*) GUESS=x86_64-unknown-haiku ;; SX-4:SUPER-UX:*:*) GUESS=sx4-nec-superux$UNAME_RELEASE ;; SX-5:SUPER-UX:*:*) GUESS=sx5-nec-superux$UNAME_RELEASE ;; SX-6:SUPER-UX:*:*) GUESS=sx6-nec-superux$UNAME_RELEASE ;; SX-7:SUPER-UX:*:*) GUESS=sx7-nec-superux$UNAME_RELEASE ;; SX-8:SUPER-UX:*:*) GUESS=sx8-nec-superux$UNAME_RELEASE ;; SX-8R:SUPER-UX:*:*) GUESS=sx8r-nec-superux$UNAME_RELEASE ;; SX-ACE:SUPER-UX:*:*) GUESS=sxace-nec-superux$UNAME_RELEASE ;; Power*:Rhapsody:*:*) GUESS=powerpc-apple-rhapsody$UNAME_RELEASE ;; *:Rhapsody:*:*) GUESS=$UNAME_MACHINE-apple-rhapsody$UNAME_RELEASE ;; arm64:Darwin:*:*) GUESS=aarch64-apple-darwin$UNAME_RELEASE ;; *:Darwin:*:*) UNAME_PROCESSOR=`uname -p` case $UNAME_PROCESSOR in unknown) UNAME_PROCESSOR=powerpc ;; esac if command -v xcode-select > /dev/null 2> /dev/null && \ ! xcode-select --print-path > /dev/null 2> /dev/null ; then # Avoid executing cc if there is no toolchain installed as # cc will be a stub that puts up a graphical alert # prompting the user to install developer tools. CC_FOR_BUILD=no_compiler_found else set_cc_for_build fi if test "$CC_FOR_BUILD" != no_compiler_found; then if (echo '#ifdef __LP64__'; echo IS_64BIT_ARCH; echo '#endif') | \ (CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) | \ grep IS_64BIT_ARCH >/dev/null then case $UNAME_PROCESSOR in i386) UNAME_PROCESSOR=x86_64 ;; powerpc) UNAME_PROCESSOR=powerpc64 ;; esac fi # On 10.4-10.6 one might compile for PowerPC via gcc -arch ppc if (echo '#ifdef __POWERPC__'; echo IS_PPC; echo '#endif') | \ (CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) | \ grep IS_PPC >/dev/null then UNAME_PROCESSOR=powerpc fi elif test "$UNAME_PROCESSOR" = i386 ; then # uname -m returns i386 or x86_64 UNAME_PROCESSOR=$UNAME_MACHINE fi GUESS=$UNAME_PROCESSOR-apple-darwin$UNAME_RELEASE ;; *:procnto*:*:* | *:QNX:[0123456789]*:*) UNAME_PROCESSOR=`uname -p` if test "$UNAME_PROCESSOR" = x86; then UNAME_PROCESSOR=i386 UNAME_MACHINE=pc fi GUESS=$UNAME_PROCESSOR-$UNAME_MACHINE-nto-qnx$UNAME_RELEASE ;; *:QNX:*:4*) GUESS=i386-pc-qnx ;; NEO-*:NONSTOP_KERNEL:*:*) GUESS=neo-tandem-nsk$UNAME_RELEASE ;; NSE-*:NONSTOP_KERNEL:*:*) GUESS=nse-tandem-nsk$UNAME_RELEASE ;; NSR-*:NONSTOP_KERNEL:*:*) GUESS=nsr-tandem-nsk$UNAME_RELEASE ;; NSV-*:NONSTOP_KERNEL:*:*) GUESS=nsv-tandem-nsk$UNAME_RELEASE ;; NSX-*:NONSTOP_KERNEL:*:*) GUESS=nsx-tandem-nsk$UNAME_RELEASE ;; *:NonStop-UX:*:*) GUESS=mips-compaq-nonstopux ;; BS2000:POSIX*:*:*) GUESS=bs2000-siemens-sysv ;; DS/*:UNIX_System_V:*:*) GUESS=$UNAME_MACHINE-$UNAME_SYSTEM-$UNAME_RELEASE ;; *:Plan9:*:*) # "uname -m" is not consistent, so use $cputype instead. 386 # is converted to i386 for consistency with other x86 # operating systems. if test "${cputype-}" = 386; then UNAME_MACHINE=i386 elif test "x${cputype-}" != x; then UNAME_MACHINE=$cputype fi GUESS=$UNAME_MACHINE-unknown-plan9 ;; *:TOPS-10:*:*) GUESS=pdp10-unknown-tops10 ;; *:TENEX:*:*) GUESS=pdp10-unknown-tenex ;; KS10:TOPS-20:*:* | KL10:TOPS-20:*:* | TYPE4:TOPS-20:*:*) GUESS=pdp10-dec-tops20 ;; XKL-1:TOPS-20:*:* | TYPE5:TOPS-20:*:*) GUESS=pdp10-xkl-tops20 ;; *:TOPS-20:*:*) GUESS=pdp10-unknown-tops20 ;; *:ITS:*:*) GUESS=pdp10-unknown-its ;; SEI:*:*:SEIUX) GUESS=mips-sei-seiux$UNAME_RELEASE ;; *:DragonFly:*:*) DRAGONFLY_REL=`echo "$UNAME_RELEASE" | sed -e 's/[-(].*//'` GUESS=$UNAME_MACHINE-unknown-dragonfly$DRAGONFLY_REL ;; *:*VMS:*:*) UNAME_MACHINE=`(uname -p) 2>/dev/null` case $UNAME_MACHINE in A*) GUESS=alpha-dec-vms ;; I*) GUESS=ia64-dec-vms ;; V*) GUESS=vax-dec-vms ;; esac ;; *:XENIX:*:SysV) GUESS=i386-pc-xenix ;; i*86:skyos:*:*) SKYOS_REL=`echo "$UNAME_RELEASE" | sed -e 's/ .*$//'` GUESS=$UNAME_MACHINE-pc-skyos$SKYOS_REL ;; i*86:rdos:*:*) GUESS=$UNAME_MACHINE-pc-rdos ;; i*86:Fiwix:*:*) GUESS=$UNAME_MACHINE-pc-fiwix ;; *:AROS:*:*) GUESS=$UNAME_MACHINE-unknown-aros ;; x86_64:VMkernel:*:*) GUESS=$UNAME_MACHINE-unknown-esx ;; amd64:Isilon\ OneFS:*:*) GUESS=x86_64-unknown-onefs ;; *:Unleashed:*:*) GUESS=$UNAME_MACHINE-unknown-unleashed$UNAME_RELEASE ;; esac # Do we have a guess based on uname results? if test "x$GUESS" != x; then echo "$GUESS" exit fi # No uname command or uname output not recognized. set_cc_for_build cat > "$dummy.c" < #include #endif #if defined(ultrix) || defined(_ultrix) || defined(__ultrix) || defined(__ultrix__) #if defined (vax) || defined (__vax) || defined (__vax__) || defined(mips) || defined(__mips) || defined(__mips__) || defined(MIPS) || defined(__MIPS__) #include #if defined(_SIZE_T_) || defined(SIGLOST) #include #endif #endif #endif main () { #if defined (sony) #if defined (MIPSEB) /* BFD wants "bsd" instead of "newsos". Perhaps BFD should be changed, I don't know.... */ printf ("mips-sony-bsd\n"); exit (0); #else #include printf ("m68k-sony-newsos%s\n", #ifdef NEWSOS4 "4" #else "" #endif ); exit (0); #endif #endif #if defined (NeXT) #if !defined (__ARCHITECTURE__) #define __ARCHITECTURE__ "m68k" #endif int version; version=`(hostinfo | sed -n 's/.*NeXT Mach \([0-9]*\).*/\1/p') 2>/dev/null`; if (version < 4) printf ("%s-next-nextstep%d\n", __ARCHITECTURE__, version); else printf ("%s-next-openstep%d\n", __ARCHITECTURE__, version); exit (0); #endif #if defined (MULTIMAX) || defined (n16) #if defined (UMAXV) printf ("ns32k-encore-sysv\n"); exit (0); #else #if defined (CMU) printf ("ns32k-encore-mach\n"); exit (0); #else printf ("ns32k-encore-bsd\n"); exit (0); #endif #endif #endif #if defined (__386BSD__) printf ("i386-pc-bsd\n"); exit (0); #endif #if defined (sequent) #if defined (i386) printf ("i386-sequent-dynix\n"); exit (0); #endif #if defined (ns32000) printf ("ns32k-sequent-dynix\n"); exit (0); #endif #endif #if defined (_SEQUENT_) struct utsname un; uname(&un); if (strncmp(un.version, "V2", 2) == 0) { printf ("i386-sequent-ptx2\n"); exit (0); } if (strncmp(un.version, "V1", 2) == 0) { /* XXX is V1 correct? */ printf ("i386-sequent-ptx1\n"); exit (0); } printf ("i386-sequent-ptx\n"); exit (0); #endif #if defined (vax) #if !defined (ultrix) #include #if defined (BSD) #if BSD == 43 printf ("vax-dec-bsd4.3\n"); exit (0); #else #if BSD == 199006 printf ("vax-dec-bsd4.3reno\n"); exit (0); #else printf ("vax-dec-bsd\n"); exit (0); #endif #endif #else printf ("vax-dec-bsd\n"); exit (0); #endif #else #if defined(_SIZE_T_) || defined(SIGLOST) struct utsname un; uname (&un); printf ("vax-dec-ultrix%s\n", un.release); exit (0); #else printf ("vax-dec-ultrix\n"); exit (0); #endif #endif #endif #if defined(ultrix) || defined(_ultrix) || defined(__ultrix) || defined(__ultrix__) #if defined(mips) || defined(__mips) || defined(__mips__) || defined(MIPS) || defined(__MIPS__) #if defined(_SIZE_T_) || defined(SIGLOST) struct utsname *un; uname (&un); printf ("mips-dec-ultrix%s\n", un.release); exit (0); #else printf ("mips-dec-ultrix\n"); exit (0); #endif #endif #endif #if defined (alliant) && defined (i860) printf ("i860-alliant-bsd\n"); exit (0); #endif exit (1); } EOF $CC_FOR_BUILD -o "$dummy" "$dummy.c" 2>/dev/null && SYSTEM_NAME=`"$dummy"` && { echo "$SYSTEM_NAME"; exit; } # Apollos put the system type in the environment. test -d /usr/apollo && { echo "$ISP-apollo-$SYSTYPE"; exit; } echo "$0: unable to guess system type" >&2 case $UNAME_MACHINE:$UNAME_SYSTEM in mips:Linux | mips64:Linux) # If we got here on MIPS GNU/Linux, output extra information. cat >&2 <&2 <&2 </dev/null || echo unknown` uname -r = `(uname -r) 2>/dev/null || echo unknown` uname -s = `(uname -s) 2>/dev/null || echo unknown` uname -v = `(uname -v) 2>/dev/null || echo unknown` /usr/bin/uname -p = `(/usr/bin/uname -p) 2>/dev/null` /bin/uname -X = `(/bin/uname -X) 2>/dev/null` hostinfo = `(hostinfo) 2>/dev/null` /bin/universe = `(/bin/universe) 2>/dev/null` /usr/bin/arch -k = `(/usr/bin/arch -k) 2>/dev/null` /bin/arch = `(/bin/arch) 2>/dev/null` /usr/bin/oslevel = `(/usr/bin/oslevel) 2>/dev/null` /usr/convex/getsysinfo = `(/usr/convex/getsysinfo) 2>/dev/null` UNAME_MACHINE = "$UNAME_MACHINE" UNAME_RELEASE = "$UNAME_RELEASE" UNAME_SYSTEM = "$UNAME_SYSTEM" UNAME_VERSION = "$UNAME_VERSION" EOF fi exit 1 # Local variables: # eval: (add-hook 'before-save-hook 'time-stamp) # time-stamp-start: "timestamp='" # time-stamp-format: "%:y-%02m-%02d" # time-stamp-end: "'" # End: movit-1.7.1/config.sub0000755000175000017500000010511614462263705013704 0ustar sessesesse#! /bin/sh # Configuration validation subroutine script. # Copyright 1992-2022 Free Software Foundation, Inc. # shellcheck disable=SC2006,SC2268 # see below for rationale timestamp='2022-01-03' # This file is free software; you can redistribute it and/or modify it # under the terms of the GNU General Public License as published by # the Free Software Foundation, either version 3 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, but # WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, see . # # As a special exception to the GNU General Public License, if you # distribute this file as part of a program that contains a # configuration script generated by Autoconf, you may include it under # the same distribution terms that you use for the rest of that # program. This Exception is an additional permission under section 7 # of the GNU General Public License, version 3 ("GPLv3"). # Please send patches to . # # Configuration subroutine to validate and canonicalize a configuration type. # Supply the specified configuration type as an argument. # If it is invalid, we print an error message on stderr and exit with code 1. # Otherwise, we print the canonical config type on stdout and succeed. # You can get the latest version of this script from: # https://git.savannah.gnu.org/cgit/config.git/plain/config.sub # This file is supposed to be the same for all GNU packages # and recognize all the CPU types, system types and aliases # that are meaningful with *any* GNU software. # Each package is responsible for reporting which valid configurations # it does not support. The user should be able to distinguish # a failure to support a valid configuration from a meaningless # configuration. # The goal of this file is to map all the various variations of a given # machine specification into a single specification in the form: # CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM # or in some cases, the newer four-part form: # CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM # It is wrong to echo any other type of specification. # The "shellcheck disable" line above the timestamp inhibits complaints # about features and limitations of the classic Bourne shell that were # superseded or lifted in POSIX. However, this script identifies a wide # variety of pre-POSIX systems that do not have POSIX shells at all, and # even some reasonably current systems (Solaris 10 as case-in-point) still # have a pre-POSIX /bin/sh. me=`echo "$0" | sed -e 's,.*/,,'` usage="\ Usage: $0 [OPTION] CPU-MFR-OPSYS or ALIAS Canonicalize a configuration name. Options: -h, --help print this help, then exit -t, --time-stamp print date of last modification, then exit -v, --version print version number, then exit Report bugs and patches to ." version="\ GNU config.sub ($timestamp) Copyright 1992-2022 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE." help=" Try \`$me --help' for more information." # Parse command line while test $# -gt 0 ; do case $1 in --time-stamp | --time* | -t ) echo "$timestamp" ; exit ;; --version | -v ) echo "$version" ; exit ;; --help | --h* | -h ) echo "$usage"; exit ;; -- ) # Stop option processing shift; break ;; - ) # Use stdin as input. break ;; -* ) echo "$me: invalid option $1$help" >&2 exit 1 ;; *local*) # First pass through any local machine types. echo "$1" exit ;; * ) break ;; esac done case $# in 0) echo "$me: missing argument$help" >&2 exit 1;; 1) ;; *) echo "$me: too many arguments$help" >&2 exit 1;; esac # Split fields of configuration type # shellcheck disable=SC2162 saved_IFS=$IFS IFS="-" read field1 field2 field3 field4 <&2 exit 1 ;; *-*-*-*) basic_machine=$field1-$field2 basic_os=$field3-$field4 ;; *-*-*) # Ambiguous whether COMPANY is present, or skipped and KERNEL-OS is two # parts maybe_os=$field2-$field3 case $maybe_os in nto-qnx* | linux-* | uclinux-uclibc* \ | uclinux-gnu* | kfreebsd*-gnu* | knetbsd*-gnu* | netbsd*-gnu* \ | netbsd*-eabi* | kopensolaris*-gnu* | cloudabi*-eabi* \ | storm-chaos* | os2-emx* | rtmk-nova*) basic_machine=$field1 basic_os=$maybe_os ;; android-linux) basic_machine=$field1-unknown basic_os=linux-android ;; *) basic_machine=$field1-$field2 basic_os=$field3 ;; esac ;; *-*) # A lone config we happen to match not fitting any pattern case $field1-$field2 in decstation-3100) basic_machine=mips-dec basic_os= ;; *-*) # Second component is usually, but not always the OS case $field2 in # Prevent following clause from handling this valid os sun*os*) basic_machine=$field1 basic_os=$field2 ;; zephyr*) basic_machine=$field1-unknown basic_os=$field2 ;; # Manufacturers dec* | mips* | sequent* | encore* | pc533* | sgi* | sony* \ | att* | 7300* | 3300* | delta* | motorola* | sun[234]* \ | unicom* | ibm* | next | hp | isi* | apollo | altos* \ | convergent* | ncr* | news | 32* | 3600* | 3100* \ | hitachi* | c[123]* | convex* | sun | crds | omron* | dg \ | ultra | tti* | harris | dolphin | highlevel | gould \ | cbm | ns | masscomp | apple | axis | knuth | cray \ | microblaze* | sim | cisco \ | oki | wec | wrs | winbond) basic_machine=$field1-$field2 basic_os= ;; *) basic_machine=$field1 basic_os=$field2 ;; esac ;; esac ;; *) # Convert single-component short-hands not valid as part of # multi-component configurations. case $field1 in 386bsd) basic_machine=i386-pc basic_os=bsd ;; a29khif) basic_machine=a29k-amd basic_os=udi ;; adobe68k) basic_machine=m68010-adobe basic_os=scout ;; alliant) basic_machine=fx80-alliant basic_os= ;; altos | altos3068) basic_machine=m68k-altos basic_os= ;; am29k) basic_machine=a29k-none basic_os=bsd ;; amdahl) basic_machine=580-amdahl basic_os=sysv ;; amiga) basic_machine=m68k-unknown basic_os= ;; amigaos | amigados) basic_machine=m68k-unknown basic_os=amigaos ;; amigaunix | amix) basic_machine=m68k-unknown basic_os=sysv4 ;; apollo68) basic_machine=m68k-apollo basic_os=sysv ;; apollo68bsd) basic_machine=m68k-apollo basic_os=bsd ;; aros) basic_machine=i386-pc basic_os=aros ;; aux) basic_machine=m68k-apple basic_os=aux ;; balance) basic_machine=ns32k-sequent basic_os=dynix ;; blackfin) basic_machine=bfin-unknown basic_os=linux ;; cegcc) basic_machine=arm-unknown basic_os=cegcc ;; convex-c1) basic_machine=c1-convex basic_os=bsd ;; convex-c2) basic_machine=c2-convex basic_os=bsd ;; convex-c32) basic_machine=c32-convex basic_os=bsd ;; convex-c34) basic_machine=c34-convex basic_os=bsd ;; convex-c38) basic_machine=c38-convex basic_os=bsd ;; cray) basic_machine=j90-cray basic_os=unicos ;; crds | unos) basic_machine=m68k-crds basic_os= ;; da30) basic_machine=m68k-da30 basic_os= ;; decstation | pmax | pmin | dec3100 | decstatn) basic_machine=mips-dec basic_os= ;; delta88) basic_machine=m88k-motorola basic_os=sysv3 ;; dicos) basic_machine=i686-pc basic_os=dicos ;; djgpp) basic_machine=i586-pc basic_os=msdosdjgpp ;; ebmon29k) basic_machine=a29k-amd basic_os=ebmon ;; es1800 | OSE68k | ose68k | ose | OSE) basic_machine=m68k-ericsson basic_os=ose ;; gmicro) basic_machine=tron-gmicro basic_os=sysv ;; go32) basic_machine=i386-pc basic_os=go32 ;; h8300hms) basic_machine=h8300-hitachi basic_os=hms ;; h8300xray) basic_machine=h8300-hitachi basic_os=xray ;; h8500hms) basic_machine=h8500-hitachi basic_os=hms ;; harris) basic_machine=m88k-harris basic_os=sysv3 ;; hp300 | hp300hpux) basic_machine=m68k-hp basic_os=hpux ;; hp300bsd) basic_machine=m68k-hp basic_os=bsd ;; hppaosf) basic_machine=hppa1.1-hp basic_os=osf ;; hppro) basic_machine=hppa1.1-hp basic_os=proelf ;; i386mach) basic_machine=i386-mach basic_os=mach ;; isi68 | isi) basic_machine=m68k-isi basic_os=sysv ;; m68knommu) basic_machine=m68k-unknown basic_os=linux ;; magnum | m3230) basic_machine=mips-mips basic_os=sysv ;; merlin) basic_machine=ns32k-utek basic_os=sysv ;; mingw64) basic_machine=x86_64-pc basic_os=mingw64 ;; mingw32) basic_machine=i686-pc basic_os=mingw32 ;; mingw32ce) basic_machine=arm-unknown basic_os=mingw32ce ;; monitor) basic_machine=m68k-rom68k basic_os=coff ;; morphos) basic_machine=powerpc-unknown basic_os=morphos ;; moxiebox) basic_machine=moxie-unknown basic_os=moxiebox ;; msdos) basic_machine=i386-pc basic_os=msdos ;; msys) basic_machine=i686-pc basic_os=msys ;; mvs) basic_machine=i370-ibm basic_os=mvs ;; nacl) basic_machine=le32-unknown basic_os=nacl ;; ncr3000) basic_machine=i486-ncr basic_os=sysv4 ;; netbsd386) basic_machine=i386-pc basic_os=netbsd ;; netwinder) basic_machine=armv4l-rebel basic_os=linux ;; news | news700 | news800 | news900) basic_machine=m68k-sony basic_os=newsos ;; news1000) basic_machine=m68030-sony basic_os=newsos ;; necv70) basic_machine=v70-nec basic_os=sysv ;; nh3000) basic_machine=m68k-harris basic_os=cxux ;; nh[45]000) basic_machine=m88k-harris basic_os=cxux ;; nindy960) basic_machine=i960-intel basic_os=nindy ;; mon960) basic_machine=i960-intel basic_os=mon960 ;; nonstopux) basic_machine=mips-compaq basic_os=nonstopux ;; os400) basic_machine=powerpc-ibm basic_os=os400 ;; OSE68000 | ose68000) basic_machine=m68000-ericsson basic_os=ose ;; os68k) basic_machine=m68k-none basic_os=os68k ;; paragon) basic_machine=i860-intel basic_os=osf ;; parisc) basic_machine=hppa-unknown basic_os=linux ;; psp) basic_machine=mipsallegrexel-sony basic_os=psp ;; pw32) basic_machine=i586-unknown basic_os=pw32 ;; rdos | rdos64) basic_machine=x86_64-pc basic_os=rdos ;; rdos32) basic_machine=i386-pc basic_os=rdos ;; rom68k) basic_machine=m68k-rom68k basic_os=coff ;; sa29200) basic_machine=a29k-amd basic_os=udi ;; sei) basic_machine=mips-sei basic_os=seiux ;; sequent) basic_machine=i386-sequent basic_os= ;; sps7) basic_machine=m68k-bull basic_os=sysv2 ;; st2000) basic_machine=m68k-tandem basic_os= ;; stratus) basic_machine=i860-stratus basic_os=sysv4 ;; sun2) basic_machine=m68000-sun basic_os= ;; sun2os3) basic_machine=m68000-sun basic_os=sunos3 ;; sun2os4) basic_machine=m68000-sun basic_os=sunos4 ;; sun3) basic_machine=m68k-sun basic_os= ;; sun3os3) basic_machine=m68k-sun basic_os=sunos3 ;; sun3os4) basic_machine=m68k-sun basic_os=sunos4 ;; sun4) basic_machine=sparc-sun basic_os= ;; sun4os3) basic_machine=sparc-sun basic_os=sunos3 ;; sun4os4) basic_machine=sparc-sun basic_os=sunos4 ;; sun4sol2) basic_machine=sparc-sun basic_os=solaris2 ;; sun386 | sun386i | roadrunner) basic_machine=i386-sun basic_os= ;; sv1) basic_machine=sv1-cray basic_os=unicos ;; symmetry) basic_machine=i386-sequent basic_os=dynix ;; t3e) basic_machine=alphaev5-cray basic_os=unicos ;; t90) basic_machine=t90-cray basic_os=unicos ;; toad1) basic_machine=pdp10-xkl basic_os=tops20 ;; tpf) basic_machine=s390x-ibm basic_os=tpf ;; udi29k) basic_machine=a29k-amd basic_os=udi ;; ultra3) basic_machine=a29k-nyu basic_os=sym1 ;; v810 | necv810) basic_machine=v810-nec basic_os=none ;; vaxv) basic_machine=vax-dec basic_os=sysv ;; vms) basic_machine=vax-dec basic_os=vms ;; vsta) basic_machine=i386-pc basic_os=vsta ;; vxworks960) basic_machine=i960-wrs basic_os=vxworks ;; vxworks68) basic_machine=m68k-wrs basic_os=vxworks ;; vxworks29k) basic_machine=a29k-wrs basic_os=vxworks ;; xbox) basic_machine=i686-pc basic_os=mingw32 ;; ymp) basic_machine=ymp-cray basic_os=unicos ;; *) basic_machine=$1 basic_os= ;; esac ;; esac # Decode 1-component or ad-hoc basic machines case $basic_machine in # Here we handle the default manufacturer of certain CPU types. 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IN NO EVENT SHALL THE # X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN # AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC- # TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. # # Except as contained in this notice, the name of the X Consortium shall not # be used in advertising or otherwise to promote the sale, use or other deal- # ings in this Software without prior written authorization from the X Consor- # tium. # # # FSF changes to this file are in the public domain. # # Calling this script install-sh is preferred over install.sh, to prevent # 'make' implicit rules from creating a file called install from it # when there is no Makefile. # # This script is compatible with the BSD install script, but was written # from scratch. tab=' ' nl=' ' IFS=" $tab$nl" # Set DOITPROG to "echo" to test this script. doit=${DOITPROG-} doit_exec=${doit:-exec} # Put in absolute file names if you don't have them in your path; # or use environment vars. chgrpprog=${CHGRPPROG-chgrp} chmodprog=${CHMODPROG-chmod} chownprog=${CHOWNPROG-chown} cmpprog=${CMPPROG-cmp} cpprog=${CPPROG-cp} mkdirprog=${MKDIRPROG-mkdir} mvprog=${MVPROG-mv} rmprog=${RMPROG-rm} stripprog=${STRIPPROG-strip} posix_mkdir= # Desired mode of installed file. mode=0755 # Create dirs (including intermediate dirs) using mode 755. # This is like GNU 'install' as of coreutils 8.32 (2020). mkdir_umask=22 backupsuffix= chgrpcmd= chmodcmd=$chmodprog chowncmd= mvcmd=$mvprog rmcmd="$rmprog -f" stripcmd= src= dst= dir_arg= dst_arg= copy_on_change=false is_target_a_directory=possibly usage="\ Usage: $0 [OPTION]... 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Vaughan, 2004 # This is free software. There is NO warranty; not even for # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. # # Copyright (C) 2004-2019, 2021 Bootstrap Authors # # This file is dual licensed under the terms of the MIT license # , and GPL version 2 or later # . You must apply one of # these licenses when using or redistributing this software or any of # the files within it. See the URLs above, or the file `LICENSE` # included in the Bootstrap distribution for the full license texts. # Please report bugs or propose patches to: # ## ------ ## ## Usage. ## ## ------ ## # Evaluate this file near the top of your script to gain access to # the functions and variables defined here: # # . `echo "$0" | ${SED-sed} 's|[^/]*$||'`/build-aux/funclib.sh # # If you need to override any of the default environment variable # settings, do that before evaluating this file. ## -------------------- ## ## Shell normalisation. ## ## -------------------- ## # Some shells need a little help to be as Bourne compatible as possible. # Before doing anything else, make sure all that help has been provided! DUALCASE=1; export DUALCASE # for MKS sh if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then : emulate sh NULLCMD=: # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which # is contrary to our usage. Disable this feature. alias -g '${1+"$@"}'='"$@"' setopt NO_GLOB_SUBST else case `(set -o) 2>/dev/null` in *posix*) set -o posix ;; esac fi # NLS nuisances: We save the old values in case they are required later. _G_user_locale= _G_safe_locale= for _G_var in LANG LANGUAGE LC_ALL LC_CTYPE LC_COLLATE LC_MESSAGES do eval "if test set = \"\${$_G_var+set}\"; then save_$_G_var=\$$_G_var $_G_var=C export $_G_var _G_user_locale=\"$_G_var=\\\$save_\$_G_var; \$_G_user_locale\" _G_safe_locale=\"$_G_var=C; \$_G_safe_locale\" fi" done # These NLS vars are set unconditionally (bootstrap issue #24). Unset those # in case the environment reset is needed later and the $save_* variant is not # defined (see the code above). LC_ALL=C LANGUAGE=C export LANGUAGE LC_ALL # Make sure IFS has a sensible default sp=' ' nl=' ' IFS="$sp $nl" # There are apparently some retarded systems that use ';' as a PATH separator! if test "${PATH_SEPARATOR+set}" != set; then PATH_SEPARATOR=: (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && { (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 || PATH_SEPARATOR=';' } fi # func_unset VAR # -------------- # Portably unset VAR. # In some shells, an 'unset VAR' statement leaves a non-zero return # status if VAR is already unset, which might be problematic if the # statement is used at the end of a function (thus poisoning its return # value) or when 'set -e' is active (causing even a spurious abort of # the script in this case). func_unset () { { eval $1=; (eval unset $1) >/dev/null 2>&1 && eval unset $1 || : ; } } # Make sure CDPATH doesn't cause `cd` commands to output the target dir. func_unset CDPATH # Make sure ${,E,F}GREP behave sanely. func_unset GREP_OPTIONS ## ------------------------- ## ## Locate command utilities. ## ## ------------------------- ## # func_executable_p FILE # ---------------------- # Check that FILE is an executable regular file. func_executable_p () { test -f "$1" && test -x "$1" } # func_path_progs PROGS_LIST CHECK_FUNC [PATH] # -------------------------------------------- # Search for either a program that responds to --version with output # containing "GNU", or else returned by CHECK_FUNC otherwise, by # trying all the directories in PATH with each of the elements of # PROGS_LIST. # # CHECK_FUNC should accept the path to a candidate program, and # set $func_check_prog_result if it truncates its output less than # $_G_path_prog_max characters. func_path_progs () { _G_progs_list=$1 _G_check_func=$2 _G_PATH=${3-"$PATH"} _G_path_prog_max=0 _G_path_prog_found=false _G_save_IFS=$IFS; IFS=${PATH_SEPARATOR-:} for _G_dir in $_G_PATH; do IFS=$_G_save_IFS test -z "$_G_dir" && _G_dir=. for _G_prog_name in $_G_progs_list; do for _exeext in '' .EXE; do _G_path_prog=$_G_dir/$_G_prog_name$_exeext func_executable_p "$_G_path_prog" || continue case `"$_G_path_prog" --version 2>&1` in *GNU*) func_path_progs_result=$_G_path_prog _G_path_prog_found=: ;; *) $_G_check_func $_G_path_prog func_path_progs_result=$func_check_prog_result ;; esac $_G_path_prog_found && break 3 done done done IFS=$_G_save_IFS test -z "$func_path_progs_result" && { echo "no acceptable sed could be found in \$PATH" >&2 exit 1 } } # We want to be able to use the functions in this file before configure # has figured out where the best binaries are kept, which means we have # to search for them ourselves - except when the results are already set # where we skip the searches. # Unless the user overrides by setting SED, search the path for either GNU # sed, or the sed that truncates its output the least. test -z "$SED" && { _G_sed_script=s/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb/ for _G_i in 1 2 3 4 5 6 7; do _G_sed_script=$_G_sed_script$nl$_G_sed_script done echo "$_G_sed_script" 2>/dev/null | sed 99q >conftest.sed _G_sed_script= func_check_prog_sed () { _G_path_prog=$1 _G_count=0 printf 0123456789 >conftest.in while : do cat conftest.in conftest.in >conftest.tmp mv conftest.tmp conftest.in cp conftest.in conftest.nl echo '' >> conftest.nl "$_G_path_prog" -f conftest.sed conftest.out 2>/dev/null || break diff conftest.out conftest.nl >/dev/null 2>&1 || break _G_count=`expr $_G_count + 1` if test "$_G_count" -gt "$_G_path_prog_max"; then # Best one so far, save it but keep looking for a better one func_check_prog_result=$_G_path_prog _G_path_prog_max=$_G_count fi # 10*(2^10) chars as input seems more than enough test 10 -lt "$_G_count" && break done rm -f conftest.in conftest.tmp conftest.nl conftest.out } func_path_progs "sed gsed" func_check_prog_sed "$PATH:/usr/xpg4/bin" rm -f conftest.sed SED=$func_path_progs_result } # Unless the user overrides by setting GREP, search the path for either GNU # grep, or the grep that truncates its output the least. test -z "$GREP" && { func_check_prog_grep () { _G_path_prog=$1 _G_count=0 _G_path_prog_max=0 printf 0123456789 >conftest.in while : do cat conftest.in conftest.in >conftest.tmp mv conftest.tmp conftest.in cp conftest.in conftest.nl echo 'GREP' >> conftest.nl "$_G_path_prog" -e 'GREP$' -e '-(cannot match)-' conftest.out 2>/dev/null || break diff conftest.out conftest.nl >/dev/null 2>&1 || break _G_count=`expr $_G_count + 1` if test "$_G_count" -gt "$_G_path_prog_max"; then # Best one so far, save it but keep looking for a better one func_check_prog_result=$_G_path_prog _G_path_prog_max=$_G_count fi # 10*(2^10) chars as input seems more than enough test 10 -lt "$_G_count" && break done rm -f conftest.in conftest.tmp conftest.nl conftest.out } func_path_progs "grep ggrep" func_check_prog_grep "$PATH:/usr/xpg4/bin" GREP=$func_path_progs_result } ## ------------------------------- ## ## User overridable command paths. ## ## ------------------------------- ## # All uppercase variable names are used for environment variables. These # variables can be overridden by the user before calling a script that # uses them if a suitable command of that name is not already available # in the command search PATH. : ${CP="cp -f"} : ${ECHO="printf %s\n"} : ${EGREP="$GREP -E"} : ${FGREP="$GREP -F"} : ${LN_S="ln -s"} : ${MAKE="make"} : ${MKDIR="mkdir"} : ${MV="mv -f"} : ${RM="rm -f"} : ${SHELL="${CONFIG_SHELL-/bin/sh}"} ## -------------------- ## ## Useful sed snippets. ## ## -------------------- ## sed_dirname='s|/[^/]*$||' sed_basename='s|^.*/||' # Sed substitution that helps us do robust quoting. It backslashifies # metacharacters that are still active within double-quoted strings. sed_quote_subst='s|\([`"$\\]\)|\\\1|g' # Same as above, but do not quote variable references. sed_double_quote_subst='s/\(["`\\]\)/\\\1/g' # Sed substitution that turns a string into a regex matching for the # string literally. sed_make_literal_regex='s|[].[^$\\*\/]|\\&|g' # Sed substitution that converts a w32 file name or path # that contains forward slashes, into one that contains # (escaped) backslashes. A very naive implementation. sed_naive_backslashify='s|\\\\*|\\|g;s|/|\\|g;s|\\|\\\\|g' # Re-'\' parameter expansions in output of sed_double_quote_subst that # were '\'-ed in input to the same. If an odd number of '\' preceded a # '$' in input to sed_double_quote_subst, that '$' was protected from # expansion. Since each input '\' is now two '\'s, look for any number # of runs of four '\'s followed by two '\'s and then a '$'. '\' that '$'. _G_bs='\\' _G_bs2='\\\\' _G_bs4='\\\\\\\\' _G_dollar='\$' sed_double_backslash="\ s/$_G_bs4/&\\ /g s/^$_G_bs2$_G_dollar/$_G_bs&/ s/\\([^$_G_bs]\\)$_G_bs2$_G_dollar/\\1$_G_bs2$_G_bs$_G_dollar/g s/\n//g" # require_check_ifs_backslash # --------------------------- # Check if we can use backslash as IFS='\' separator, and set # $check_ifs_backshlash_broken to ':' or 'false'. require_check_ifs_backslash=func_require_check_ifs_backslash func_require_check_ifs_backslash () { _G_save_IFS=$IFS IFS='\' _G_check_ifs_backshlash='a\\b' for _G_i in $_G_check_ifs_backshlash do case $_G_i in a) check_ifs_backshlash_broken=false ;; '') break ;; *) check_ifs_backshlash_broken=: break ;; esac done IFS=$_G_save_IFS require_check_ifs_backslash=: } ## ----------------- ## ## Global variables. ## ## ----------------- ## # Except for the global variables explicitly listed below, the following # functions in the '^func_' namespace, and the '^require_' namespace # variables initialised in the 'Resource management' section, sourcing # this file will not pollute your global namespace with anything # else. There's no portable way to scope variables in Bourne shell # though, so actually running these functions will sometimes place # results into a variable named after the function, and often use # temporary variables in the '^_G_' namespace. If you are careful to # avoid using those namespaces casually in your sourcing script, things # should continue to work as you expect. And, of course, you can freely # overwrite any of the functions or variables defined here before # calling anything to customize them. EXIT_SUCCESS=0 EXIT_FAILURE=1 EXIT_MISMATCH=63 # $? = 63 is used to indicate version mismatch to missing. EXIT_SKIP=77 # $? = 77 is used to indicate a skipped test to automake. # Allow overriding, eg assuming that you follow the convention of # putting '$debug_cmd' at the start of all your functions, you can get # bash to show function call trace with: # # debug_cmd='echo "${FUNCNAME[0]} $*" >&2' bash your-script-name debug_cmd=${debug_cmd-":"} exit_cmd=: # By convention, finish your script with: # # exit $exit_status # # so that you can set exit_status to non-zero if you want to indicate # something went wrong during execution without actually bailing out at # the point of failure. exit_status=$EXIT_SUCCESS # Work around backward compatibility issue on IRIX 6.5. On IRIX 6.4+, sh # is ksh but when the shell is invoked as "sh" and the current value of # the _XPG environment variable is not equal to 1 (one), the special # positional parameter $0, within a function call, is the name of the # function. progpath=$0 # The name of this program. progname=`$ECHO "$progpath" |$SED "$sed_basename"` # Make sure we have an absolute progpath for reexecution: case $progpath in [\\/]*|[A-Za-z]:\\*) ;; *[\\/]*) progdir=`$ECHO "$progpath" |$SED "$sed_dirname"` progdir=`cd "$progdir" && pwd` progpath=$progdir/$progname ;; *) _G_IFS=$IFS IFS=${PATH_SEPARATOR-:} for progdir in $PATH; do IFS=$_G_IFS test -x "$progdir/$progname" && break done IFS=$_G_IFS test -n "$progdir" || progdir=`pwd` progpath=$progdir/$progname ;; esac ## ----------------- ## ## Standard options. ## ## ----------------- ## # The following options affect the operation of the functions defined # below, and should be set appropriately depending on run-time para- # meters passed on the command line. opt_dry_run=false opt_quiet=false opt_verbose=false # Categories 'all' and 'none' are always available. Append any others # you will pass as the first argument to func_warning from your own # code. warning_categories= # By default, display warnings according to 'opt_warning_types'. Set # 'warning_func' to ':' to elide all warnings, or func_fatal_error to # treat the next displayed warning as a fatal error. warning_func=func_warn_and_continue # Set to 'all' to display all warnings, 'none' to suppress all # warnings, or a space delimited list of some subset of # 'warning_categories' to display only the listed warnings. opt_warning_types=all ## -------------------- ## ## Resource management. ## ## -------------------- ## # This section contains definitions for functions that each ensure a # particular resource (a file, or a non-empty configuration variable for # example) is available, and if appropriate to extract default values # from pertinent package files. Call them using their associated # 'require_*' variable to ensure that they are executed, at most, once. # # It's entirely deliberate that calling these functions can set # variables that don't obey the namespace limitations obeyed by the rest # of this file, in order that that they be as useful as possible to # callers. # require_term_colors # ------------------- # Allow display of bold text on terminals that support it. require_term_colors=func_require_term_colors func_require_term_colors () { $debug_cmd test -t 1 && { # COLORTERM and USE_ANSI_COLORS environment variables take # precedence, because most terminfo databases neglect to describe # whether color sequences are supported. test -n "${COLORTERM+set}" && : ${USE_ANSI_COLORS="1"} if test 1 = "$USE_ANSI_COLORS"; then # Standard ANSI escape sequences tc_reset='' tc_bold=''; tc_standout='' tc_red=''; tc_green='' tc_blue=''; tc_cyan='' else # Otherwise trust the terminfo database after all. test -n "`tput sgr0 2>/dev/null`" && { tc_reset=`tput sgr0` test -n "`tput bold 2>/dev/null`" && tc_bold=`tput bold` tc_standout=$tc_bold test -n "`tput smso 2>/dev/null`" && tc_standout=`tput smso` test -n "`tput setaf 1 2>/dev/null`" && tc_red=`tput setaf 1` test -n "`tput setaf 2 2>/dev/null`" && tc_green=`tput setaf 2` test -n "`tput setaf 4 2>/dev/null`" && tc_blue=`tput setaf 4` test -n "`tput setaf 5 2>/dev/null`" && tc_cyan=`tput setaf 5` } fi } require_term_colors=: } ## ----------------- ## ## Function library. ## ## ----------------- ## # This section contains a variety of useful functions to call in your # scripts. Take note of the portable wrappers for features provided by # some modern shells, which will fall back to slower equivalents on # less featureful shells. # func_append VAR VALUE # --------------------- # Append VALUE onto the existing contents of VAR. # _G_HAVE_PLUSEQ_OP # Can be empty, in which case the shell is probed, "yes" if += is # useable or anything else if it does not work. if test -z "$_G_HAVE_PLUSEQ_OP" && \ __PLUSEQ_TEST="a" && \ __PLUSEQ_TEST+=" b" 2>/dev/null && \ test "a b" = "$__PLUSEQ_TEST"; then _G_HAVE_PLUSEQ_OP=yes fi if test yes = "$_G_HAVE_PLUSEQ_OP" then # This is an XSI compatible shell, allowing a faster implementation... eval 'func_append () { $debug_cmd eval "$1+=\$2" }' else # ...otherwise fall back to using expr, which is often a shell builtin. func_append () { $debug_cmd eval "$1=\$$1\$2" } fi # func_append_quoted VAR VALUE # ---------------------------- # Quote VALUE and append to the end of shell variable VAR, separated # by a space. if test yes = "$_G_HAVE_PLUSEQ_OP"; then eval 'func_append_quoted () { $debug_cmd func_quote_arg pretty "$2" eval "$1+=\\ \$func_quote_arg_result" }' else func_append_quoted () { $debug_cmd func_quote_arg pretty "$2" eval "$1=\$$1\\ \$func_quote_arg_result" } fi # func_append_uniq VAR VALUE # -------------------------- # Append unique VALUE onto the existing contents of VAR, assuming # entries are delimited by the first character of VALUE. For example: # # func_append_uniq options " --another-option option-argument" # # will only append to $options if " --another-option option-argument " # is not already present somewhere in $options already (note spaces at # each end implied by leading space in second argument). func_append_uniq () { $debug_cmd eval _G_current_value='`$ECHO $'$1'`' _G_delim=`expr "$2" : '\(.\)'` case $_G_delim$_G_current_value$_G_delim in *"$2$_G_delim"*) ;; *) func_append "$@" ;; esac } # func_arith TERM... # ------------------ # Set func_arith_result to the result of evaluating TERMs. test -z "$_G_HAVE_ARITH_OP" \ && (eval 'test 2 = $(( 1 + 1 ))') 2>/dev/null \ && _G_HAVE_ARITH_OP=yes if test yes = "$_G_HAVE_ARITH_OP"; then eval 'func_arith () { $debug_cmd func_arith_result=$(( $* )) }' else func_arith () { $debug_cmd func_arith_result=`expr "$@"` } fi # func_basename FILE # ------------------ # Set func_basename_result to FILE with everything up to and including # the last / stripped. if test yes = "$_G_HAVE_XSI_OPS"; then # If this shell supports suffix pattern removal, then use it to avoid # forking. Hide the definitions single quotes in case the shell chokes # on unsupported syntax... _b='func_basename_result=${1##*/}' _d='case $1 in */*) func_dirname_result=${1%/*}$2 ;; * ) func_dirname_result=$3 ;; esac' else # ...otherwise fall back to using sed. _b='func_basename_result=`$ECHO "$1" |$SED "$sed_basename"`' _d='func_dirname_result=`$ECHO "$1" |$SED "$sed_dirname"` if test "X$func_dirname_result" = "X$1"; then func_dirname_result=$3 else func_append func_dirname_result "$2" fi' fi eval 'func_basename () { $debug_cmd '"$_b"' }' # func_dirname FILE APPEND NONDIR_REPLACEMENT # ------------------------------------------- # Compute the dirname of FILE. If nonempty, add APPEND to the result, # otherwise set result to NONDIR_REPLACEMENT. eval 'func_dirname () { $debug_cmd '"$_d"' }' # func_dirname_and_basename FILE APPEND NONDIR_REPLACEMENT # -------------------------------------------------------- # Perform func_basename and func_dirname in a single function # call: # dirname: Compute the dirname of FILE. If nonempty, # add APPEND to the result, otherwise set result # to NONDIR_REPLACEMENT. # value returned in "$func_dirname_result" # basename: Compute filename of FILE. # value retuned in "$func_basename_result" # For efficiency, we do not delegate to the functions above but instead # duplicate the functionality here. eval 'func_dirname_and_basename () { $debug_cmd '"$_b"' '"$_d"' }' # func_echo ARG... # ---------------- # Echo program name prefixed message. func_echo () { $debug_cmd _G_message=$* func_echo_IFS=$IFS IFS=$nl for _G_line in $_G_message; do IFS=$func_echo_IFS $ECHO "$progname: $_G_line" done IFS=$func_echo_IFS } # func_echo_all ARG... # -------------------- # Invoke $ECHO with all args, space-separated. func_echo_all () { $ECHO "$*" } # func_echo_infix_1 INFIX ARG... # ------------------------------ # Echo program name, followed by INFIX on the first line, with any # additional lines not showing INFIX. func_echo_infix_1 () { $debug_cmd $require_term_colors _G_infix=$1; shift _G_indent=$_G_infix _G_prefix="$progname: $_G_infix: " _G_message=$* # Strip color escape sequences before counting printable length for _G_tc in "$tc_reset" "$tc_bold" "$tc_standout" "$tc_red" "$tc_green" "$tc_blue" "$tc_cyan" do test -n "$_G_tc" && { _G_esc_tc=`$ECHO "$_G_tc" | $SED "$sed_make_literal_regex"` _G_indent=`$ECHO "$_G_indent" | $SED "s|$_G_esc_tc||g"` } done _G_indent="$progname: "`echo "$_G_indent" | $SED 's|.| |g'`" " ## exclude from sc_prohibit_nested_quotes func_echo_infix_1_IFS=$IFS IFS=$nl for _G_line in $_G_message; do IFS=$func_echo_infix_1_IFS $ECHO "$_G_prefix$tc_bold$_G_line$tc_reset" >&2 _G_prefix=$_G_indent done IFS=$func_echo_infix_1_IFS } # func_error ARG... # ----------------- # Echo program name prefixed message to standard error. func_error () { $debug_cmd $require_term_colors func_echo_infix_1 " $tc_standout${tc_red}error$tc_reset" "$*" >&2 } # func_fatal_error ARG... # ----------------------- # Echo program name prefixed message to standard error, and exit. func_fatal_error () { $debug_cmd func_error "$*" exit $EXIT_FAILURE } # func_grep EXPRESSION FILENAME # ----------------------------- # Check whether EXPRESSION matches any line of FILENAME, without output. func_grep () { $debug_cmd $GREP "$1" "$2" >/dev/null 2>&1 } # func_len STRING # --------------- # Set func_len_result to the length of STRING. STRING may not # start with a hyphen. test -z "$_G_HAVE_XSI_OPS" \ && (eval 'x=a/b/c; test 5aa/bb/cc = "${#x}${x%%/*}${x%/*}${x#*/}${x##*/}"') 2>/dev/null \ && _G_HAVE_XSI_OPS=yes if test yes = "$_G_HAVE_XSI_OPS"; then eval 'func_len () { $debug_cmd func_len_result=${#1} }' else func_len () { $debug_cmd func_len_result=`expr "$1" : ".*" 2>/dev/null || echo $max_cmd_len` } fi # func_mkdir_p DIRECTORY-PATH # --------------------------- # Make sure the entire path to DIRECTORY-PATH is available. func_mkdir_p () { $debug_cmd _G_directory_path=$1 _G_dir_list= if test -n "$_G_directory_path" && test : != "$opt_dry_run"; then # Protect directory names starting with '-' case $_G_directory_path in -*) _G_directory_path=./$_G_directory_path ;; esac # While some portion of DIR does not yet exist... while test ! -d "$_G_directory_path"; do # ...make a list in topmost first order. Use a colon delimited # list incase some portion of path contains whitespace. _G_dir_list=$_G_directory_path:$_G_dir_list # If the last portion added has no slash in it, the list is done case $_G_directory_path in */*) ;; *) break ;; esac # ...otherwise throw away the child directory and loop _G_directory_path=`$ECHO "$_G_directory_path" | $SED -e "$sed_dirname"` done _G_dir_list=`$ECHO "$_G_dir_list" | $SED 's|:*$||'` func_mkdir_p_IFS=$IFS; IFS=: for _G_dir in $_G_dir_list; do IFS=$func_mkdir_p_IFS # mkdir can fail with a 'File exist' error if two processes # try to create one of the directories concurrently. Don't # stop in that case! $MKDIR "$_G_dir" 2>/dev/null || : done IFS=$func_mkdir_p_IFS # Bail out if we (or some other process) failed to create a directory. test -d "$_G_directory_path" || \ func_fatal_error "Failed to create '$1'" fi } # func_mktempdir [BASENAME] # ------------------------- # Make a temporary directory that won't clash with other running # libtool processes, and avoids race conditions if possible. If # given, BASENAME is the basename for that directory. func_mktempdir () { $debug_cmd _G_template=${TMPDIR-/tmp}/${1-$progname} if test : = "$opt_dry_run"; then # Return a directory name, but don't create it in dry-run mode _G_tmpdir=$_G_template-$$ else # If mktemp works, use that first and foremost _G_tmpdir=`mktemp -d "$_G_template-XXXXXXXX" 2>/dev/null` if test ! -d "$_G_tmpdir"; then # Failing that, at least try and use $RANDOM to avoid a race _G_tmpdir=$_G_template-${RANDOM-0}$$ func_mktempdir_umask=`umask` umask 0077 $MKDIR "$_G_tmpdir" umask $func_mktempdir_umask fi # If we're not in dry-run mode, bomb out on failure test -d "$_G_tmpdir" || \ func_fatal_error "cannot create temporary directory '$_G_tmpdir'" fi $ECHO "$_G_tmpdir" } # func_normal_abspath PATH # ------------------------ # Remove doubled-up and trailing slashes, "." path components, # and cancel out any ".." path components in PATH after making # it an absolute path. func_normal_abspath () { $debug_cmd # These SED scripts presuppose an absolute path with a trailing slash. _G_pathcar='s|^/\([^/]*\).*$|\1|' _G_pathcdr='s|^/[^/]*||' _G_removedotparts=':dotsl s|/\./|/|g t dotsl s|/\.$|/|' _G_collapseslashes='s|/\{1,\}|/|g' _G_finalslash='s|/*$|/|' # Start from root dir and reassemble the path. func_normal_abspath_result= func_normal_abspath_tpath=$1 func_normal_abspath_altnamespace= case $func_normal_abspath_tpath in "") # Empty path, that just means $cwd. func_stripname '' '/' "`pwd`" func_normal_abspath_result=$func_stripname_result return ;; # The next three entries are used to spot a run of precisely # two leading slashes without using negated character classes; # we take advantage of case's first-match behaviour. ///*) # Unusual form of absolute path, do nothing. ;; //*) # Not necessarily an ordinary path; POSIX reserves leading '//' # and for example Cygwin uses it to access remote file shares # over CIFS/SMB, so we conserve a leading double slash if found. func_normal_abspath_altnamespace=/ ;; /*) # Absolute path, do nothing. ;; *) # Relative path, prepend $cwd. func_normal_abspath_tpath=`pwd`/$func_normal_abspath_tpath ;; esac # Cancel out all the simple stuff to save iterations. We also want # the path to end with a slash for ease of parsing, so make sure # there is one (and only one) here. func_normal_abspath_tpath=`$ECHO "$func_normal_abspath_tpath" | $SED \ -e "$_G_removedotparts" -e "$_G_collapseslashes" -e "$_G_finalslash"` while :; do # Processed it all yet? if test / = "$func_normal_abspath_tpath"; then # If we ascended to the root using ".." the result may be empty now. if test -z "$func_normal_abspath_result"; then func_normal_abspath_result=/ fi break fi func_normal_abspath_tcomponent=`$ECHO "$func_normal_abspath_tpath" | $SED \ -e "$_G_pathcar"` func_normal_abspath_tpath=`$ECHO "$func_normal_abspath_tpath" | $SED \ -e "$_G_pathcdr"` # Figure out what to do with it case $func_normal_abspath_tcomponent in "") # Trailing empty path component, ignore it. ;; ..) # Parent dir; strip last assembled component from result. func_dirname "$func_normal_abspath_result" func_normal_abspath_result=$func_dirname_result ;; *) # Actual path component, append it. func_append func_normal_abspath_result "/$func_normal_abspath_tcomponent" ;; esac done # Restore leading double-slash if one was found on entry. func_normal_abspath_result=$func_normal_abspath_altnamespace$func_normal_abspath_result } # func_notquiet ARG... # -------------------- # Echo program name prefixed message only when not in quiet mode. func_notquiet () { $debug_cmd $opt_quiet || func_echo ${1+"$@"} # A bug in bash halts the script if the last line of a function # fails when set -e is in force, so we need another command to # work around that: : } # func_relative_path SRCDIR DSTDIR # -------------------------------- # Set func_relative_path_result to the relative path from SRCDIR to DSTDIR. func_relative_path () { $debug_cmd func_relative_path_result= func_normal_abspath "$1" func_relative_path_tlibdir=$func_normal_abspath_result func_normal_abspath "$2" func_relative_path_tbindir=$func_normal_abspath_result # Ascend the tree starting from libdir while :; do # check if we have found a prefix of bindir case $func_relative_path_tbindir in $func_relative_path_tlibdir) # found an exact match func_relative_path_tcancelled= break ;; $func_relative_path_tlibdir*) # found a matching prefix func_stripname "$func_relative_path_tlibdir" '' "$func_relative_path_tbindir" func_relative_path_tcancelled=$func_stripname_result if test -z "$func_relative_path_result"; then func_relative_path_result=. fi break ;; *) func_dirname $func_relative_path_tlibdir func_relative_path_tlibdir=$func_dirname_result if test -z "$func_relative_path_tlibdir"; then # Have to descend all the way to the root! func_relative_path_result=../$func_relative_path_result func_relative_path_tcancelled=$func_relative_path_tbindir break fi func_relative_path_result=../$func_relative_path_result ;; esac done # Now calculate path; take care to avoid doubling-up slashes. func_stripname '' '/' "$func_relative_path_result" func_relative_path_result=$func_stripname_result func_stripname '/' '/' "$func_relative_path_tcancelled" if test -n "$func_stripname_result"; then func_append func_relative_path_result "/$func_stripname_result" fi # Normalisation. If bindir is libdir, return '.' else relative path. if test -n "$func_relative_path_result"; then func_stripname './' '' "$func_relative_path_result" func_relative_path_result=$func_stripname_result fi test -n "$func_relative_path_result" || func_relative_path_result=. : } # func_quote_portable EVAL ARG # ---------------------------- # Internal function to portably implement func_quote_arg. Note that we still # keep attention to performance here so we as much as possible try to avoid # calling sed binary (so far O(N) complexity as long as func_append is O(1)). func_quote_portable () { $debug_cmd $require_check_ifs_backslash func_quote_portable_result=$2 # one-time-loop (easy break) while true do if $1; then func_quote_portable_result=`$ECHO "$2" | $SED \ -e "$sed_double_quote_subst" -e "$sed_double_backslash"` break fi # Quote for eval. case $func_quote_portable_result in *[\\\`\"\$]*) # Fallback to sed for $func_check_bs_ifs_broken=:, or when the string # contains the shell wildcard characters. case $check_ifs_backshlash_broken$func_quote_portable_result in :*|*[\[\*\?]*) func_quote_portable_result=`$ECHO "$func_quote_portable_result" \ | $SED "$sed_quote_subst"` break ;; esac func_quote_portable_old_IFS=$IFS for _G_char in '\' '`' '"' '$' do # STATE($1) PREV($2) SEPARATOR($3) set start "" "" func_quote_portable_result=dummy"$_G_char$func_quote_portable_result$_G_char"dummy IFS=$_G_char for _G_part in $func_quote_portable_result do case $1 in quote) func_append func_quote_portable_result "$3$2" set quote "$_G_part" "\\$_G_char" ;; start) set first "" "" func_quote_portable_result= ;; first) set quote "$_G_part" "" ;; esac done done IFS=$func_quote_portable_old_IFS ;; *) ;; esac break done func_quote_portable_unquoted_result=$func_quote_portable_result case $func_quote_portable_result in # double-quote args containing shell metacharacters to delay # word splitting, command substitution and variable expansion # for a subsequent eval. # many bourne shells cannot handle close brackets correctly # in scan sets, so we specify it separately. *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \ ]*|*]*|"") func_quote_portable_result=\"$func_quote_portable_result\" ;; esac } # func_quotefast_eval ARG # ----------------------- # Quote one ARG (internal). This is equivalent to 'func_quote_arg eval ARG', # but optimized for speed. Result is stored in $func_quotefast_eval. if test xyes = `(x=; printf -v x %q yes; echo x"$x") 2>/dev/null`; then printf -v _GL_test_printf_tilde %q '~' if test '\~' = "$_GL_test_printf_tilde"; then func_quotefast_eval () { printf -v func_quotefast_eval_result %q "$1" } else # Broken older Bash implementations. Make those faster too if possible. func_quotefast_eval () { case $1 in '~'*) func_quote_portable false "$1" func_quotefast_eval_result=$func_quote_portable_result ;; *) printf -v func_quotefast_eval_result %q "$1" ;; esac } fi else func_quotefast_eval () { func_quote_portable false "$1" func_quotefast_eval_result=$func_quote_portable_result } fi # func_quote_arg MODEs ARG # ------------------------ # Quote one ARG to be evaled later. MODEs argument may contain zero or more # specifiers listed below separated by ',' character. This function returns two # values: # i) func_quote_arg_result # double-quoted (when needed), suitable for a subsequent eval # ii) func_quote_arg_unquoted_result # has all characters that are still active within double # quotes backslashified. Available only if 'unquoted' is specified. # # Available modes: # ---------------- # 'eval' (default) # - escape shell special characters # 'expand' # - the same as 'eval'; but do not quote variable references # 'pretty' # - request aesthetic output, i.e. '"a b"' instead of 'a\ b'. This might # be used later in func_quote to get output like: 'echo "a b"' instead # of 'echo a\ b'. This is slower than default on some shells. # 'unquoted' # - produce also $func_quote_arg_unquoted_result which does not contain # wrapping double-quotes. # # Examples for 'func_quote_arg pretty,unquoted string': # # string | *_result | *_unquoted_result # ------------+-----------------------+------------------- # " | \" | \" # a b | "a b" | a b # "a b" | "\"a b\"" | \"a b\" # * | "*" | * # z="${x-$y}" | "z=\"\${x-\$y}\"" | z=\"\${x-\$y}\" # # Examples for 'func_quote_arg pretty,unquoted,expand string': # # string | *_result | *_unquoted_result # --------------+---------------------+-------------------- # z="${x-$y}" | "z=\"${x-$y}\"" | z=\"${x-$y}\" func_quote_arg () { _G_quote_expand=false case ,$1, in *,expand,*) _G_quote_expand=: ;; esac case ,$1, in *,pretty,*|*,expand,*|*,unquoted,*) func_quote_portable $_G_quote_expand "$2" func_quote_arg_result=$func_quote_portable_result func_quote_arg_unquoted_result=$func_quote_portable_unquoted_result ;; *) # Faster quote-for-eval for some shells. func_quotefast_eval "$2" func_quote_arg_result=$func_quotefast_eval_result ;; esac } # func_quote MODEs ARGs... # ------------------------ # Quote all ARGs to be evaled later and join them into single command. See # func_quote_arg's description for more info. func_quote () { $debug_cmd _G_func_quote_mode=$1 ; shift func_quote_result= while test 0 -lt $#; do func_quote_arg "$_G_func_quote_mode" "$1" if test -n "$func_quote_result"; then func_append func_quote_result " $func_quote_arg_result" else func_append func_quote_result "$func_quote_arg_result" fi shift done } # func_stripname PREFIX SUFFIX NAME # --------------------------------- # strip PREFIX and SUFFIX from NAME, and store in func_stripname_result. # PREFIX and SUFFIX must not contain globbing or regex special # characters, hashes, percent signs, but SUFFIX may contain a leading # dot (in which case that matches only a dot). if test yes = "$_G_HAVE_XSI_OPS"; then eval 'func_stripname () { $debug_cmd # pdksh 5.2.14 does not do ${X%$Y} correctly if both X and Y are # positional parameters, so assign one to ordinary variable first. func_stripname_result=$3 func_stripname_result=${func_stripname_result#"$1"} func_stripname_result=${func_stripname_result%"$2"} }' else func_stripname () { $debug_cmd case $2 in .*) func_stripname_result=`$ECHO "$3" | $SED -e "s%^$1%%" -e "s%\\\\$2\$%%"`;; *) func_stripname_result=`$ECHO "$3" | $SED -e "s%^$1%%" -e "s%$2\$%%"`;; esac } fi # func_show_eval CMD [FAIL_EXP] # ----------------------------- # Unless opt_quiet is true, then output CMD. Then, if opt_dryrun is # not true, evaluate CMD. If the evaluation of CMD fails, and FAIL_EXP # is given, then evaluate it. func_show_eval () { $debug_cmd _G_cmd=$1 _G_fail_exp=${2-':'} func_quote_arg pretty,expand "$_G_cmd" eval "func_notquiet $func_quote_arg_result" $opt_dry_run || { eval "$_G_cmd" _G_status=$? if test 0 -ne "$_G_status"; then eval "(exit $_G_status); $_G_fail_exp" fi } } # func_show_eval_locale CMD [FAIL_EXP] # ------------------------------------ # Unless opt_quiet is true, then output CMD. Then, if opt_dryrun is # not true, evaluate CMD. If the evaluation of CMD fails, and FAIL_EXP # is given, then evaluate it. Use the saved locale for evaluation. func_show_eval_locale () { $debug_cmd _G_cmd=$1 _G_fail_exp=${2-':'} $opt_quiet || { func_quote_arg expand,pretty "$_G_cmd" eval "func_echo $func_quote_arg_result" } $opt_dry_run || { eval "$_G_user_locale $_G_cmd" _G_status=$? eval "$_G_safe_locale" if test 0 -ne "$_G_status"; then eval "(exit $_G_status); $_G_fail_exp" fi } } # func_tr_sh # ---------- # Turn $1 into a string suitable for a shell variable name. # Result is stored in $func_tr_sh_result. All characters # not in the set a-zA-Z0-9_ are replaced with '_'. Further, # if $1 begins with a digit, a '_' is prepended as well. func_tr_sh () { $debug_cmd case $1 in [0-9]* | *[!a-zA-Z0-9_]*) func_tr_sh_result=`$ECHO "$1" | $SED -e 's/^\([0-9]\)/_\1/' -e 's/[^a-zA-Z0-9_]/_/g'` ;; * ) func_tr_sh_result=$1 ;; esac } # func_verbose ARG... # ------------------- # Echo program name prefixed message in verbose mode only. func_verbose () { $debug_cmd $opt_verbose && func_echo "$*" : } # func_warn_and_continue ARG... # ----------------------------- # Echo program name prefixed warning message to standard error. func_warn_and_continue () { $debug_cmd $require_term_colors func_echo_infix_1 "${tc_red}warning$tc_reset" "$*" >&2 } # func_warning CATEGORY ARG... # ---------------------------- # Echo program name prefixed warning message to standard error. Warning # messages can be filtered according to CATEGORY, where this function # elides messages where CATEGORY is not listed in the global variable # 'opt_warning_types'. func_warning () { $debug_cmd # CATEGORY must be in the warning_categories list! case " $warning_categories " in *" $1 "*) ;; *) func_internal_error "invalid warning category '$1'" ;; esac _G_category=$1 shift case " $opt_warning_types " in *" $_G_category "*) $warning_func ${1+"$@"} ;; esac } # func_sort_ver VER1 VER2 # ----------------------- # 'sort -V' is not generally available. # Note this deviates from the version comparison in automake # in that it treats 1.5 < 1.5.0, and treats 1.4.4a < 1.4-p3a # but this should suffice as we won't be specifying old # version formats or redundant trailing .0 in bootstrap.conf. # If we did want full compatibility then we should probably # use m4_version_compare from autoconf. func_sort_ver () { $debug_cmd printf '%s\n%s\n' "$1" "$2" \ | sort -t. -k 1,1n -k 2,2n -k 3,3n -k 4,4n -k 5,5n -k 6,6n -k 7,7n -k 8,8n -k 9,9n } # func_lt_ver PREV CURR # --------------------- # Return true if PREV and CURR are in the correct order according to # func_sort_ver, otherwise false. Use it like this: # # func_lt_ver "$prev_ver" "$proposed_ver" || func_fatal_error "..." func_lt_ver () { $debug_cmd test "x$1" = x`func_sort_ver "$1" "$2" | $SED 1q` } # Local variables: # mode: shell-script # sh-indentation: 2 # eval: (add-hook 'before-save-hook 'time-stamp) # time-stamp-pattern: "10/scriptversion=%:y-%02m-%02d.%02H; # UTC" # time-stamp-time-zone: "UTC" # End: #! /bin/sh # A portable, pluggable option parser for Bourne shell. # Written by Gary V. Vaughan, 2010 # This is free software. There is NO warranty; not even for # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. # # Copyright (C) 2010-2019, 2021 Bootstrap Authors # # This file is dual licensed under the terms of the MIT license # , and GPL version 2 or later # . You must apply one of # these licenses when using or redistributing this software or any of # the files within it. See the URLs above, or the file `LICENSE` # included in the Bootstrap distribution for the full license texts. # Please report bugs or propose patches to: # # Set a version string for this script. scriptversion=2019-02-19.15; # UTC ## ------ ## ## Usage. ## ## ------ ## # This file is a library for parsing options in your shell scripts along # with assorted other useful supporting features that you can make use # of too. # # For the simplest scripts you might need only: # # #!/bin/sh # . relative/path/to/funclib.sh # . relative/path/to/options-parser # scriptversion=1.0 # func_options ${1+"$@"} # eval set dummy "$func_options_result"; shift # ...rest of your script... # # In order for the '--version' option to work, you will need to have a # suitably formatted comment like the one at the top of this file # starting with '# Written by ' and ending with '# Copyright'. # # For '-h' and '--help' to work, you will also need a one line # description of your script's purpose in a comment directly above the # '# Written by ' line, like the one at the top of this file. # # The default options also support '--debug', which will turn on shell # execution tracing (see the comment above debug_cmd below for another # use), and '--verbose' and the func_verbose function to allow your script # to display verbose messages only when your user has specified # '--verbose'. # # After sourcing this file, you can plug in processing for additional # options by amending the variables from the 'Configuration' section # below, and following the instructions in the 'Option parsing' # section further down. ## -------------- ## ## Configuration. ## ## -------------- ## # You should override these variables in your script after sourcing this # file so that they reflect the customisations you have added to the # option parser. # The usage line for option parsing errors and the start of '-h' and # '--help' output messages. You can embed shell variables for delayed # expansion at the time the message is displayed, but you will need to # quote other shell meta-characters carefully to prevent them being # expanded when the contents are evaled. usage='$progpath [OPTION]...' # Short help message in response to '-h' and '--help'. Add to this or # override it after sourcing this library to reflect the full set of # options your script accepts. usage_message="\ --debug enable verbose shell tracing -W, --warnings=CATEGORY report the warnings falling in CATEGORY [all] -v, --verbose verbosely report processing --version print version information and exit -h, --help print short or long help message and exit " # Additional text appended to 'usage_message' in response to '--help'. long_help_message=" Warning categories include: 'all' show all warnings 'none' turn off all the warnings 'error' warnings are treated as fatal errors" # Help message printed before fatal option parsing errors. fatal_help="Try '\$progname --help' for more information." ## ------------------------- ## ## Hook function management. ## ## ------------------------- ## # This section contains functions for adding, removing, and running hooks # in the main code. A hook is just a list of function names that can be # run in order later on. # func_hookable FUNC_NAME # ----------------------- # Declare that FUNC_NAME will run hooks added with # 'func_add_hook FUNC_NAME ...'. func_hookable () { $debug_cmd func_append hookable_fns " $1" } # func_add_hook FUNC_NAME HOOK_FUNC # --------------------------------- # Request that FUNC_NAME call HOOK_FUNC before it returns. FUNC_NAME must # first have been declared "hookable" by a call to 'func_hookable'. func_add_hook () { $debug_cmd case " $hookable_fns " in *" $1 "*) ;; *) func_fatal_error "'$1' does not accept hook functions." ;; esac eval func_append ${1}_hooks '" $2"' } # func_remove_hook FUNC_NAME HOOK_FUNC # ------------------------------------ # Remove HOOK_FUNC from the list of hook functions to be called by # FUNC_NAME. func_remove_hook () { $debug_cmd eval ${1}_hooks='`$ECHO "\$'$1'_hooks" |$SED "s| '$2'||"`' } # func_propagate_result FUNC_NAME_A FUNC_NAME_B # --------------------------------------------- # If the *_result variable of FUNC_NAME_A _is set_, assign its value to # *_result variable of FUNC_NAME_B. func_propagate_result () { $debug_cmd func_propagate_result_result=: if eval "test \"\${${1}_result+set}\" = set" then eval "${2}_result=\$${1}_result" else func_propagate_result_result=false fi } # func_run_hooks FUNC_NAME [ARG]... # --------------------------------- # Run all hook functions registered to FUNC_NAME. # It's assumed that the list of hook functions contains nothing more # than a whitespace-delimited list of legal shell function names, and # no effort is wasted trying to catch shell meta-characters or preserve # whitespace. func_run_hooks () { $debug_cmd _G_rc_run_hooks=false case " $hookable_fns " in *" $1 "*) ;; *) func_fatal_error "'$1' does not support hook functions." ;; esac eval _G_hook_fns=\$$1_hooks; shift for _G_hook in $_G_hook_fns; do func_unset "${_G_hook}_result" eval $_G_hook '${1+"$@"}' func_propagate_result $_G_hook func_run_hooks if $func_propagate_result_result; then eval set dummy "$func_run_hooks_result"; shift fi done } ## --------------- ## ## Option parsing. ## ## --------------- ## # In order to add your own option parsing hooks, you must accept the # full positional parameter list from your hook function. You may remove # or edit any options that you action, and then pass back the remaining # unprocessed options in '_result', escaped # suitably for 'eval'. # # The '_result' variable is automatically unset # before your hook gets called; for best performance, only set the # *_result variable when necessary (i.e. don't call the 'func_quote' # function unnecessarily because it can be an expensive operation on some # machines). # # Like this: # # my_options_prep () # { # $debug_cmd # # # Extend the existing usage message. # usage_message=$usage_message' # -s, --silent don'\''t print informational messages # ' # # No change in '$@' (ignored completely by this hook). Leave # # my_options_prep_result variable intact. # } # func_add_hook func_options_prep my_options_prep # # # my_silent_option () # { # $debug_cmd # # args_changed=false # # # Note that, for efficiency, we parse as many options as we can # # recognise in a loop before passing the remainder back to the # # caller on the first unrecognised argument we encounter. # while test $# -gt 0; do # opt=$1; shift # case $opt in # --silent|-s) opt_silent=: # args_changed=: # ;; # # Separate non-argument short options: # -s*) func_split_short_opt "$_G_opt" # set dummy "$func_split_short_opt_name" \ # "-$func_split_short_opt_arg" ${1+"$@"} # shift # args_changed=: # ;; # *) # Make sure the first unrecognised option "$_G_opt" # # is added back to "$@" in case we need it later, # # if $args_changed was set to 'true'. # set dummy "$_G_opt" ${1+"$@"}; shift; break ;; # esac # done # # # Only call 'func_quote' here if we processed at least one argument. # if $args_changed; then # func_quote eval ${1+"$@"} # my_silent_option_result=$func_quote_result # fi # } # func_add_hook func_parse_options my_silent_option # # # my_option_validation () # { # $debug_cmd # # $opt_silent && $opt_verbose && func_fatal_help "\ # '--silent' and '--verbose' options are mutually exclusive." # } # func_add_hook func_validate_options my_option_validation # # You'll also need to manually amend $usage_message to reflect the extra # options you parse. It's preferable to append if you can, so that # multiple option parsing hooks can be added safely. # func_options_finish [ARG]... # ---------------------------- # Finishing the option parse loop (call 'func_options' hooks ATM). func_options_finish () { $debug_cmd func_run_hooks func_options ${1+"$@"} func_propagate_result func_run_hooks func_options_finish } # func_options [ARG]... # --------------------- # All the functions called inside func_options are hookable. See the # individual implementations for details. func_hookable func_options func_options () { $debug_cmd _G_options_quoted=false for my_func in options_prep parse_options validate_options options_finish do func_unset func_${my_func}_result func_unset func_run_hooks_result eval func_$my_func '${1+"$@"}' func_propagate_result func_$my_func func_options if $func_propagate_result_result; then eval set dummy "$func_options_result"; shift _G_options_quoted=: fi done $_G_options_quoted || { # As we (func_options) are top-level options-parser function and # nobody quoted "$@" for us yet, we need to do it explicitly for # caller. func_quote eval ${1+"$@"} func_options_result=$func_quote_result } } # func_options_prep [ARG]... # -------------------------- # All initialisations required before starting the option parse loop. # Note that when calling hook functions, we pass through the list of # positional parameters. If a hook function modifies that list, and # needs to propagate that back to rest of this script, then the complete # modified list must be put in 'func_run_hooks_result' before returning. func_hookable func_options_prep func_options_prep () { $debug_cmd # Option defaults: opt_verbose=false opt_warning_types= func_run_hooks func_options_prep ${1+"$@"} func_propagate_result func_run_hooks func_options_prep } # func_parse_options [ARG]... # --------------------------- # The main option parsing loop. func_hookable func_parse_options func_parse_options () { $debug_cmd _G_parse_options_requote=false # this just eases exit handling while test $# -gt 0; do # Defer to hook functions for initial option parsing, so they # get priority in the event of reusing an option name. func_run_hooks func_parse_options ${1+"$@"} func_propagate_result func_run_hooks func_parse_options if $func_propagate_result_result; then eval set dummy "$func_parse_options_result"; shift # Even though we may have changed "$@", we passed the "$@" array # down into the hook and it quoted it for us (because we are in # this if-branch). No need to quote it again. _G_parse_options_requote=false fi # Break out of the loop if we already parsed every option. test $# -gt 0 || break # We expect that one of the options parsed in this function matches # and thus we remove _G_opt from "$@" and need to re-quote. _G_match_parse_options=: _G_opt=$1 shift case $_G_opt in --debug|-x) debug_cmd='set -x' func_echo "enabling shell trace mode" >&2 $debug_cmd ;; --no-warnings|--no-warning|--no-warn) set dummy --warnings none ${1+"$@"} shift ;; --warnings|--warning|-W) if test $# = 0 && func_missing_arg $_G_opt; then _G_parse_options_requote=: break fi case " $warning_categories $1" in *" $1 "*) # trailing space prevents matching last $1 above func_append_uniq opt_warning_types " $1" ;; *all) opt_warning_types=$warning_categories ;; *none) opt_warning_types=none warning_func=: ;; *error) opt_warning_types=$warning_categories warning_func=func_fatal_error ;; *) func_fatal_error \ "unsupported warning category: '$1'" ;; esac shift ;; --verbose|-v) opt_verbose=: ;; --version) func_version ;; -\?|-h) func_usage ;; --help) func_help ;; # Separate optargs to long options (plugins may need this): --*=*) func_split_equals "$_G_opt" set dummy "$func_split_equals_lhs" \ "$func_split_equals_rhs" ${1+"$@"} shift ;; # Separate optargs to short options: -W*) func_split_short_opt "$_G_opt" set dummy "$func_split_short_opt_name" \ "$func_split_short_opt_arg" ${1+"$@"} shift ;; # Separate non-argument short options: -\?*|-h*|-v*|-x*) func_split_short_opt "$_G_opt" set dummy "$func_split_short_opt_name" \ "-$func_split_short_opt_arg" ${1+"$@"} shift ;; --) _G_parse_options_requote=: ; break ;; -*) func_fatal_help "unrecognised option: '$_G_opt'" ;; *) set dummy "$_G_opt" ${1+"$@"}; shift _G_match_parse_options=false break ;; esac if $_G_match_parse_options; then _G_parse_options_requote=: fi done if $_G_parse_options_requote; then # save modified positional parameters for caller func_quote eval ${1+"$@"} func_parse_options_result=$func_quote_result fi } # func_validate_options [ARG]... # ------------------------------ # Perform any sanity checks on option settings and/or unconsumed # arguments. func_hookable func_validate_options func_validate_options () { $debug_cmd # Display all warnings if -W was not given. test -n "$opt_warning_types" || opt_warning_types=" $warning_categories" func_run_hooks func_validate_options ${1+"$@"} func_propagate_result func_run_hooks func_validate_options # Bail if the options were screwed! $exit_cmd $EXIT_FAILURE } ## ----------------- ## ## Helper functions. ## ## ----------------- ## # This section contains the helper functions used by the rest of the # hookable option parser framework in ascii-betical order. # func_fatal_help ARG... # ---------------------- # Echo program name prefixed message to standard error, followed by # a help hint, and exit. func_fatal_help () { $debug_cmd eval \$ECHO \""Usage: $usage"\" eval \$ECHO \""$fatal_help"\" func_error ${1+"$@"} exit $EXIT_FAILURE } # func_help # --------- # Echo long help message to standard output and exit. func_help () { $debug_cmd func_usage_message $ECHO "$long_help_message" exit 0 } # func_missing_arg ARGNAME # ------------------------ # Echo program name prefixed message to standard error and set global # exit_cmd. func_missing_arg () { $debug_cmd func_error "Missing argument for '$1'." exit_cmd=exit } # func_split_equals STRING # ------------------------ # Set func_split_equals_lhs and func_split_equals_rhs shell variables # after splitting STRING at the '=' sign. test -z "$_G_HAVE_XSI_OPS" \ && (eval 'x=a/b/c; test 5aa/bb/cc = "${#x}${x%%/*}${x%/*}${x#*/}${x##*/}"') 2>/dev/null \ && _G_HAVE_XSI_OPS=yes if test yes = "$_G_HAVE_XSI_OPS" then # This is an XSI compatible shell, allowing a faster implementation... eval 'func_split_equals () { $debug_cmd func_split_equals_lhs=${1%%=*} func_split_equals_rhs=${1#*=} if test "x$func_split_equals_lhs" = "x$1"; then func_split_equals_rhs= fi }' else # ...otherwise fall back to using expr, which is often a shell builtin. func_split_equals () { $debug_cmd func_split_equals_lhs=`expr "x$1" : 'x\([^=]*\)'` func_split_equals_rhs= test "x$func_split_equals_lhs=" = "x$1" \ || func_split_equals_rhs=`expr "x$1" : 'x[^=]*=\(.*\)$'` } fi #func_split_equals # func_split_short_opt SHORTOPT # ----------------------------- # Set func_split_short_opt_name and func_split_short_opt_arg shell # variables after splitting SHORTOPT after the 2nd character. if test yes = "$_G_HAVE_XSI_OPS" then # This is an XSI compatible shell, allowing a faster implementation... eval 'func_split_short_opt () { $debug_cmd func_split_short_opt_arg=${1#??} func_split_short_opt_name=${1%"$func_split_short_opt_arg"} }' else # ...otherwise fall back to using expr, which is often a shell builtin. func_split_short_opt () { $debug_cmd func_split_short_opt_name=`expr "x$1" : 'x\(-.\)'` func_split_short_opt_arg=`expr "x$1" : 'x-.\(.*\)$'` } fi #func_split_short_opt # func_usage # ---------- # Echo short help message to standard output and exit. func_usage () { $debug_cmd func_usage_message $ECHO "Run '$progname --help |${PAGER-more}' for full usage" exit 0 } # func_usage_message # ------------------ # Echo short help message to standard output. func_usage_message () { $debug_cmd eval \$ECHO \""Usage: $usage"\" echo $SED -n 's|^# || /^Written by/{ x;p;x } h /^Written by/q' < "$progpath" echo eval \$ECHO \""$usage_message"\" } # func_version # ------------ # Echo version message to standard output and exit. # The version message is extracted from the calling file's header # comments, with leading '# ' stripped: # 1. First display the progname and version # 2. Followed by the header comment line matching /^# Written by / # 3. Then a blank line followed by the first following line matching # /^# Copyright / # 4. Immediately followed by any lines between the previous matches, # except lines preceding the intervening completely blank line. # For example, see the header comments of this file. func_version () { $debug_cmd printf '%s\n' "$progname $scriptversion" $SED -n ' /^# Written by /!b s|^# ||; p; n :fwd2blnk /./ { n b fwd2blnk } p; n :holdwrnt s|^# || s|^# *$|| /^Copyright /!{ /./H n b holdwrnt } s|\((C)\)[ 0-9,-]*[ ,-]\([1-9][0-9]* \)|\1 \2| G s|\(\n\)\n*|\1|g p; q' < "$progpath" exit $? } # Local variables: # mode: shell-script # sh-indentation: 2 # eval: (add-hook 'before-save-hook 'time-stamp) # time-stamp-pattern: "30/scriptversion=%:y-%02m-%02d.%02H; # UTC" # time-stamp-time-zone: "UTC" # End: # Set a version string. scriptversion='(GNU libtool) 2.4.7' # func_echo ARG... # ---------------- # Libtool also displays the current mode in messages, so override # funclib.sh func_echo with this custom definition. func_echo () { $debug_cmd _G_message=$* func_echo_IFS=$IFS IFS=$nl for _G_line in $_G_message; do IFS=$func_echo_IFS $ECHO "$progname${opt_mode+: $opt_mode}: $_G_line" done IFS=$func_echo_IFS } # func_warning ARG... # ------------------- # Libtool warnings are not categorized, so override funclib.sh # func_warning with this simpler definition. func_warning () { $debug_cmd $warning_func ${1+"$@"} } ## ---------------- ## ## Options parsing. ## ## ---------------- ## # Hook in the functions to make sure our own options are parsed during # the option parsing loop. usage='$progpath [OPTION]... [MODE-ARG]...' # Short help message in response to '-h'. usage_message="Options: --config show all configuration variables --debug enable verbose shell tracing -n, --dry-run display commands without modifying any files --features display basic configuration information and exit --mode=MODE use operation mode MODE --no-warnings equivalent to '-Wnone' --preserve-dup-deps don't remove duplicate dependency libraries --quiet, --silent don't print informational messages --tag=TAG use configuration variables from tag TAG -v, --verbose print more informational messages than default --version print version information -W, --warnings=CATEGORY report the warnings falling in CATEGORY [all] -h, --help, --help-all print short, long, or detailed help message " # Additional text appended to 'usage_message' in response to '--help'. func_help () { $debug_cmd func_usage_message $ECHO "$long_help_message MODE must be one of the following: clean remove files from the build directory compile compile a source file into a libtool object execute automatically set library path, then run a program finish complete the installation of libtool libraries install install libraries or executables link create a library or an executable uninstall remove libraries from an installed directory MODE-ARGS vary depending on the MODE. When passed as first option, '--mode=MODE' may be abbreviated as 'MODE' or a unique abbreviation of that. Try '$progname --help --mode=MODE' for a more detailed description of MODE. When reporting a bug, please describe a test case to reproduce it and include the following information: host-triplet: $host shell: $SHELL compiler: $LTCC compiler flags: $LTCFLAGS linker: $LD (gnu? $with_gnu_ld) version: $progname $scriptversion Debian-2.4.7-6 automake: `($AUTOMAKE --version) 2>/dev/null |$SED 1q` autoconf: `($AUTOCONF --version) 2>/dev/null |$SED 1q` Report bugs to . GNU libtool home page: . General help using GNU software: ." exit 0 } # func_lo2o OBJECT-NAME # --------------------- # Transform OBJECT-NAME from a '.lo' suffix to the platform specific # object suffix. lo2o=s/\\.lo\$/.$objext/ o2lo=s/\\.$objext\$/.lo/ if test yes = "$_G_HAVE_XSI_OPS"; then eval 'func_lo2o () { case $1 in *.lo) func_lo2o_result=${1%.lo}.$objext ;; * ) func_lo2o_result=$1 ;; esac }' # func_xform LIBOBJ-OR-SOURCE # --------------------------- # Transform LIBOBJ-OR-SOURCE from a '.o' or '.c' (or otherwise) # suffix to a '.lo' libtool-object suffix. eval 'func_xform () { func_xform_result=${1%.*}.lo }' else # ...otherwise fall back to using sed. func_lo2o () { func_lo2o_result=`$ECHO "$1" | $SED "$lo2o"` } func_xform () { func_xform_result=`$ECHO "$1" | $SED 's|\.[^.]*$|.lo|'` } fi # func_fatal_configuration ARG... # ------------------------------- # Echo program name prefixed message to standard error, followed by # a configuration failure hint, and exit. func_fatal_configuration () { func_fatal_error ${1+"$@"} \ "See the $PACKAGE documentation for more information." \ "Fatal configuration error." } # func_config # ----------- # Display the configuration for all the tags in this script. func_config () { re_begincf='^# ### BEGIN LIBTOOL' re_endcf='^# ### END LIBTOOL' # Default configuration. $SED "1,/$re_begincf CONFIG/d;/$re_endcf CONFIG/,\$d" < "$progpath" # Now print the configurations for the tags. for tagname in $taglist; do $SED -n "/$re_begincf TAG CONFIG: $tagname\$/,/$re_endcf TAG CONFIG: $tagname\$/p" < "$progpath" done exit $? } # func_features # ------------- # Display the features supported by this script. func_features () { echo "host: $host" if test yes = "$build_libtool_libs"; then echo "enable shared libraries" else echo "disable shared libraries" fi if test yes = "$build_old_libs"; then echo "enable static libraries" else echo "disable static libraries" fi exit $? } # func_enable_tag TAGNAME # ----------------------- # Verify that TAGNAME is valid, and either flag an error and exit, or # enable the TAGNAME tag. We also add TAGNAME to the global $taglist # variable here. func_enable_tag () { # Global variable: tagname=$1 re_begincf="^# ### BEGIN LIBTOOL TAG CONFIG: $tagname\$" re_endcf="^# ### END LIBTOOL TAG CONFIG: $tagname\$" sed_extractcf=/$re_begincf/,/$re_endcf/p # Validate tagname. case $tagname in *[!-_A-Za-z0-9,/]*) func_fatal_error "invalid tag name: $tagname" ;; esac # Don't test for the "default" C tag, as we know it's # there but not specially marked. case $tagname in CC) ;; *) if $GREP "$re_begincf" "$progpath" >/dev/null 2>&1; then taglist="$taglist $tagname" # Evaluate the configuration. Be careful to quote the path # and the sed script, to avoid splitting on whitespace, but # also don't use non-portable quotes within backquotes within # quotes we have to do it in 2 steps: extractedcf=`$SED -n -e "$sed_extractcf" < "$progpath"` eval "$extractedcf" else func_error "ignoring unknown tag $tagname" fi ;; esac } # func_check_version_match # ------------------------ # Ensure that we are using m4 macros, and libtool script from the same # release of libtool. func_check_version_match () { if test "$package_revision" != "$macro_revision"; then if test "$VERSION" != "$macro_version"; then if test -z "$macro_version"; then cat >&2 <<_LT_EOF $progname: Version mismatch error. This is $PACKAGE $VERSION, but the $progname: definition of this LT_INIT comes from an older release. $progname: You should recreate aclocal.m4 with macros from $PACKAGE $VERSION $progname: and run autoconf again. _LT_EOF else cat >&2 <<_LT_EOF $progname: Version mismatch error. This is $PACKAGE $VERSION, but the $progname: definition of this LT_INIT comes from $PACKAGE $macro_version. $progname: You should recreate aclocal.m4 with macros from $PACKAGE $VERSION $progname: and run autoconf again. _LT_EOF fi else cat >&2 <<_LT_EOF $progname: Version mismatch error. This is $PACKAGE $VERSION, revision $package_revision, $progname: but the definition of this LT_INIT comes from revision $macro_revision. $progname: You should recreate aclocal.m4 with macros from revision $package_revision $progname: of $PACKAGE $VERSION and run autoconf again. _LT_EOF fi exit $EXIT_MISMATCH fi } # libtool_options_prep [ARG]... # ----------------------------- # Preparation for options parsed by libtool. libtool_options_prep () { $debug_mode # Option defaults: opt_config=false opt_dlopen= opt_dry_run=false opt_help=false opt_mode= opt_preserve_dup_deps=false opt_quiet=false nonopt= preserve_args= _G_rc_lt_options_prep=: _G_rc_lt_options_prep=: # Shorthand for --mode=foo, only valid as the first argument case $1 in clean|clea|cle|cl) shift; set dummy --mode clean ${1+"$@"}; shift ;; compile|compil|compi|comp|com|co|c) shift; set dummy --mode compile ${1+"$@"}; shift ;; execute|execut|execu|exec|exe|ex|e) shift; set dummy --mode execute ${1+"$@"}; shift ;; finish|finis|fini|fin|fi|f) shift; set dummy --mode finish ${1+"$@"}; shift ;; install|instal|insta|inst|ins|in|i) shift; set dummy --mode install ${1+"$@"}; shift ;; link|lin|li|l) shift; set dummy --mode link ${1+"$@"}; shift ;; uninstall|uninstal|uninsta|uninst|unins|unin|uni|un|u) shift; set dummy --mode uninstall ${1+"$@"}; shift ;; *) _G_rc_lt_options_prep=false ;; esac if $_G_rc_lt_options_prep; then # Pass back the list of options. func_quote eval ${1+"$@"} libtool_options_prep_result=$func_quote_result fi } func_add_hook func_options_prep libtool_options_prep # libtool_parse_options [ARG]... # --------------------------------- # Provide handling for libtool specific options. libtool_parse_options () { $debug_cmd _G_rc_lt_parse_options=false # Perform our own loop to consume as many options as possible in # each iteration. while test $# -gt 0; do _G_match_lt_parse_options=: _G_opt=$1 shift case $_G_opt in --dry-run|--dryrun|-n) opt_dry_run=: ;; --config) func_config ;; --dlopen|-dlopen) opt_dlopen="${opt_dlopen+$opt_dlopen }$1" shift ;; --preserve-dup-deps) opt_preserve_dup_deps=: ;; --features) func_features ;; --finish) set dummy --mode finish ${1+"$@"}; shift ;; --help) opt_help=: ;; --help-all) opt_help=': help-all' ;; --mode) test $# = 0 && func_missing_arg $_G_opt && break opt_mode=$1 case $1 in # Valid mode arguments: clean|compile|execute|finish|install|link|relink|uninstall) ;; # Catch anything else as an error *) func_error "invalid argument for $_G_opt" exit_cmd=exit break ;; esac shift ;; --no-silent|--no-quiet) opt_quiet=false func_append preserve_args " $_G_opt" ;; --no-warnings|--no-warning|--no-warn) opt_warning=false func_append preserve_args " $_G_opt" ;; --no-verbose) opt_verbose=false func_append preserve_args " $_G_opt" ;; --silent|--quiet) opt_quiet=: opt_verbose=false func_append preserve_args " $_G_opt" ;; --tag) test $# = 0 && func_missing_arg $_G_opt && break opt_tag=$1 func_append preserve_args " $_G_opt $1" func_enable_tag "$1" shift ;; --verbose|-v) opt_quiet=false opt_verbose=: func_append preserve_args " $_G_opt" ;; # An option not handled by this hook function: *) set dummy "$_G_opt" ${1+"$@"} ; shift _G_match_lt_parse_options=false break ;; esac $_G_match_lt_parse_options && _G_rc_lt_parse_options=: done if $_G_rc_lt_parse_options; then # save modified positional parameters for caller func_quote eval ${1+"$@"} libtool_parse_options_result=$func_quote_result fi } func_add_hook func_parse_options libtool_parse_options # libtool_validate_options [ARG]... # --------------------------------- # Perform any sanity checks on option settings and/or unconsumed # arguments. libtool_validate_options () { # save first non-option argument if test 0 -lt $#; then nonopt=$1 shift fi # preserve --debug test : = "$debug_cmd" || func_append preserve_args " --debug" case $host in # Solaris2 added to fix http://debbugs.gnu.org/cgi/bugreport.cgi?bug=16452 # see also: http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59788 *cygwin* | *mingw* | *pw32* | *cegcc* | *solaris2* | *os2*) # don't eliminate duplications in $postdeps and $predeps opt_duplicate_compiler_generated_deps=: ;; *) opt_duplicate_compiler_generated_deps=$opt_preserve_dup_deps ;; esac $opt_help || { # Sanity checks first: func_check_version_match test yes != "$build_libtool_libs" \ && test yes != "$build_old_libs" \ && func_fatal_configuration "not configured to build any kind of library" # Darwin sucks eval std_shrext=\"$shrext_cmds\" # Only execute mode is allowed to have -dlopen flags. if test -n "$opt_dlopen" && test execute != "$opt_mode"; then func_error "unrecognized option '-dlopen'" $ECHO "$help" 1>&2 exit $EXIT_FAILURE fi # Change the help message to a mode-specific one. generic_help=$help help="Try '$progname --help --mode=$opt_mode' for more information." } # Pass back the unparsed argument list func_quote eval ${1+"$@"} libtool_validate_options_result=$func_quote_result } func_add_hook func_validate_options libtool_validate_options # Process options as early as possible so that --help and --version # can return quickly. func_options ${1+"$@"} eval set dummy "$func_options_result"; shift ## ----------- ## ## Main. ## ## ----------- ## magic='%%%MAGIC variable%%%' magic_exe='%%%MAGIC EXE variable%%%' # Global variables. extracted_archives= extracted_serial=0 # If this variable is set in any of the actions, the command in it # will be execed at the end. This prevents here-documents from being # left over by shells. exec_cmd= # A function that is used when there is no print builtin or printf. func_fallback_echo () { eval 'cat <<_LTECHO_EOF $1 _LTECHO_EOF' } # func_generated_by_libtool # True iff stdin has been generated by Libtool. This function is only # a basic sanity check; it will hardly flush out determined imposters. func_generated_by_libtool_p () { $GREP "^# Generated by .*$PACKAGE" > /dev/null 2>&1 } # func_lalib_p file # True iff FILE is a libtool '.la' library or '.lo' object file. # This function is only a basic sanity check; it will hardly flush out # determined imposters. func_lalib_p () { test -f "$1" && $SED -e 4q "$1" 2>/dev/null | func_generated_by_libtool_p } # func_lalib_unsafe_p file # True iff FILE is a libtool '.la' library or '.lo' object file. # This function implements the same check as func_lalib_p without # resorting to external programs. To this end, it redirects stdin and # closes it afterwards, without saving the original file descriptor. # As a safety measure, use it only where a negative result would be # fatal anyway. Works if 'file' does not exist. func_lalib_unsafe_p () { lalib_p=no if test -f "$1" && test -r "$1" && exec 5<&0 <"$1"; then for lalib_p_l in 1 2 3 4 do read lalib_p_line case $lalib_p_line in \#\ Generated\ by\ *$PACKAGE* ) lalib_p=yes; break;; esac done exec 0<&5 5<&- fi test yes = "$lalib_p" } # func_ltwrapper_script_p file # True iff FILE is a libtool wrapper script # This function is only a basic sanity check; it will hardly flush out # determined imposters. func_ltwrapper_script_p () { test -f "$1" && $lt_truncate_bin < "$1" 2>/dev/null | func_generated_by_libtool_p } # func_ltwrapper_executable_p file # True iff FILE is a libtool wrapper executable # This function is only a basic sanity check; it will hardly flush out # determined imposters. func_ltwrapper_executable_p () { func_ltwrapper_exec_suffix= case $1 in *.exe) ;; *) func_ltwrapper_exec_suffix=.exe ;; esac $GREP "$magic_exe" "$1$func_ltwrapper_exec_suffix" >/dev/null 2>&1 } # func_ltwrapper_scriptname file # Assumes file is an ltwrapper_executable # uses $file to determine the appropriate filename for a # temporary ltwrapper_script. func_ltwrapper_scriptname () { func_dirname_and_basename "$1" "" "." func_stripname '' '.exe' "$func_basename_result" func_ltwrapper_scriptname_result=$func_dirname_result/$objdir/${func_stripname_result}_ltshwrapper } # func_ltwrapper_p file # True iff FILE is a libtool wrapper script or wrapper executable # This function is only a basic sanity check; it will hardly flush out # determined imposters. func_ltwrapper_p () { func_ltwrapper_script_p "$1" || func_ltwrapper_executable_p "$1" } # func_execute_cmds commands fail_cmd # Execute tilde-delimited COMMANDS. # If FAIL_CMD is given, eval that upon failure. # FAIL_CMD may read-access the current command in variable CMD! func_execute_cmds () { $debug_cmd save_ifs=$IFS; IFS='~' for cmd in $1; do IFS=$sp$nl eval cmd=\"$cmd\" IFS=$save_ifs func_show_eval "$cmd" "${2-:}" done IFS=$save_ifs } # func_source file # Source FILE, adding directory component if necessary. # Note that it is not necessary on cygwin/mingw to append a dot to # FILE even if both FILE and FILE.exe exist: automatic-append-.exe # behavior happens only for exec(3), not for open(2)! Also, sourcing # 'FILE.' does not work on cygwin managed mounts. func_source () { $debug_cmd case $1 in */* | *\\*) . "$1" ;; *) . "./$1" ;; esac } # func_resolve_sysroot PATH # Replace a leading = in PATH with a sysroot. Store the result into # func_resolve_sysroot_result func_resolve_sysroot () { func_resolve_sysroot_result=$1 case $func_resolve_sysroot_result in =*) func_stripname '=' '' "$func_resolve_sysroot_result" func_resolve_sysroot_result=$lt_sysroot$func_stripname_result ;; esac } # func_replace_sysroot PATH # If PATH begins with the sysroot, replace it with = and # store the result into func_replace_sysroot_result. func_replace_sysroot () { case $lt_sysroot:$1 in ?*:"$lt_sysroot"*) func_stripname "$lt_sysroot" '' "$1" func_replace_sysroot_result='='$func_stripname_result ;; *) # Including no sysroot. func_replace_sysroot_result=$1 ;; esac } # func_infer_tag arg # Infer tagged configuration to use if any are available and # if one wasn't chosen via the "--tag" command line option. # Only attempt this if the compiler in the base compile # command doesn't match the default compiler. # arg is usually of the form 'gcc ...' func_infer_tag () { $debug_cmd if test -n "$available_tags" && test -z "$tagname"; then CC_quoted= for arg in $CC; do func_append_quoted CC_quoted "$arg" done CC_expanded=`func_echo_all $CC` CC_quoted_expanded=`func_echo_all $CC_quoted` case $@ in # Blanks in the command may have been stripped by the calling shell, # but not from the CC environment variable when configure was run. " $CC "* | "$CC "* | " $CC_expanded "* | "$CC_expanded "* | \ " $CC_quoted"* | "$CC_quoted "* | " $CC_quoted_expanded "* | "$CC_quoted_expanded "*) ;; # Blanks at the start of $base_compile will cause this to fail # if we don't check for them as well. *) for z in $available_tags; do if $GREP "^# ### BEGIN LIBTOOL TAG CONFIG: $z$" < "$progpath" > /dev/null; then # Evaluate the configuration. eval "`$SED -n -e '/^# ### BEGIN LIBTOOL TAG CONFIG: '$z'$/,/^# ### END LIBTOOL TAG CONFIG: '$z'$/p' < $progpath`" CC_quoted= for arg in $CC; do # Double-quote args containing other shell metacharacters. func_append_quoted CC_quoted "$arg" done CC_expanded=`func_echo_all $CC` CC_quoted_expanded=`func_echo_all $CC_quoted` case "$@ " in " $CC "* | "$CC "* | " $CC_expanded "* | "$CC_expanded "* | \ " $CC_quoted"* | "$CC_quoted "* | " $CC_quoted_expanded "* | "$CC_quoted_expanded "*) # The compiler in the base compile command matches # the one in the tagged configuration. # Assume this is the tagged configuration we want. tagname=$z break ;; esac fi done # If $tagname still isn't set, then no tagged configuration # was found and let the user know that the "--tag" command # line option must be used. if test -z "$tagname"; then func_echo "unable to infer tagged configuration" func_fatal_error "specify a tag with '--tag'" # else # func_verbose "using $tagname tagged configuration" fi ;; esac fi } # func_write_libtool_object output_name pic_name nonpic_name # Create a libtool object file (analogous to a ".la" file), # but don't create it if we're doing a dry run. func_write_libtool_object () { write_libobj=$1 if test yes = "$build_libtool_libs"; then write_lobj=\'$2\' else write_lobj=none fi if test yes = "$build_old_libs"; then write_oldobj=\'$3\' else write_oldobj=none fi $opt_dry_run || { cat >${write_libobj}T </dev/null` if test "$?" -eq 0 && test -n "$func_convert_core_file_wine_to_w32_tmp"; then func_convert_core_file_wine_to_w32_result=`$ECHO "$func_convert_core_file_wine_to_w32_tmp" | $SED -e "$sed_naive_backslashify"` else func_convert_core_file_wine_to_w32_result= fi fi } # end: func_convert_core_file_wine_to_w32 # func_convert_core_path_wine_to_w32 ARG # Helper function used by path conversion functions when $build is *nix, and # $host is mingw, cygwin, or some other w32 environment. Relies on a correctly # configured wine environment available, with the winepath program in $build's # $PATH. Assumes ARG has no leading or trailing path separator characters. # # ARG is path to be converted from $build format to win32. # Result is available in $func_convert_core_path_wine_to_w32_result. # Unconvertible file (directory) names in ARG are skipped; if no directory names # are convertible, then the result may be empty. func_convert_core_path_wine_to_w32 () { $debug_cmd # unfortunately, winepath doesn't convert paths, only file names func_convert_core_path_wine_to_w32_result= if test -n "$1"; then oldIFS=$IFS IFS=: for func_convert_core_path_wine_to_w32_f in $1; do IFS=$oldIFS func_convert_core_file_wine_to_w32 "$func_convert_core_path_wine_to_w32_f" if test -n "$func_convert_core_file_wine_to_w32_result"; then if test -z "$func_convert_core_path_wine_to_w32_result"; then func_convert_core_path_wine_to_w32_result=$func_convert_core_file_wine_to_w32_result else func_append func_convert_core_path_wine_to_w32_result ";$func_convert_core_file_wine_to_w32_result" fi fi done IFS=$oldIFS fi } # end: func_convert_core_path_wine_to_w32 # func_cygpath ARGS... # Wrapper around calling the cygpath program via LT_CYGPATH. This is used when # when (1) $build is *nix and Cygwin is hosted via a wine environment; or (2) # $build is MSYS and $host is Cygwin, or (3) $build is Cygwin. In case (1) or # (2), returns the Cygwin file name or path in func_cygpath_result (input # file name or path is assumed to be in w32 format, as previously converted # from $build's *nix or MSYS format). In case (3), returns the w32 file name # or path in func_cygpath_result (input file name or path is assumed to be in # Cygwin format). Returns an empty string on error. # # ARGS are passed to cygpath, with the last one being the file name or path to # be converted. # # Specify the absolute *nix (or w32) name to cygpath in the LT_CYGPATH # environment variable; do not put it in $PATH. func_cygpath () { $debug_cmd if test -n "$LT_CYGPATH" && test -f "$LT_CYGPATH"; then func_cygpath_result=`$LT_CYGPATH "$@" 2>/dev/null` if test "$?" -ne 0; then # on failure, ensure result is empty func_cygpath_result= fi else func_cygpath_result= func_error "LT_CYGPATH is empty or specifies non-existent file: '$LT_CYGPATH'" fi } #end: func_cygpath # func_convert_core_msys_to_w32 ARG # Convert file name or path ARG from MSYS format to w32 format. Return # result in func_convert_core_msys_to_w32_result. func_convert_core_msys_to_w32 () { $debug_cmd # awkward: cmd appends spaces to result func_convert_core_msys_to_w32_result=`( cmd //c echo "$1" ) 2>/dev/null | $SED -e 's/[ ]*$//' -e "$sed_naive_backslashify"` } #end: func_convert_core_msys_to_w32 # func_convert_file_check ARG1 ARG2 # Verify that ARG1 (a file name in $build format) was converted to $host # format in ARG2. Otherwise, emit an error message, but continue (resetting # func_to_host_file_result to ARG1). func_convert_file_check () { $debug_cmd if test -z "$2" && test -n "$1"; then func_error "Could not determine host file name corresponding to" func_error " '$1'" func_error "Continuing, but uninstalled executables may not work." # Fallback: func_to_host_file_result=$1 fi } # end func_convert_file_check # func_convert_path_check FROM_PATHSEP TO_PATHSEP FROM_PATH TO_PATH # Verify that FROM_PATH (a path in $build format) was converted to $host # format in TO_PATH. Otherwise, emit an error message, but continue, resetting # func_to_host_file_result to a simplistic fallback value (see below). func_convert_path_check () { $debug_cmd if test -z "$4" && test -n "$3"; then func_error "Could not determine the host path corresponding to" func_error " '$3'" func_error "Continuing, but uninstalled executables may not work." # Fallback. This is a deliberately simplistic "conversion" and # should not be "improved". See libtool.info. if test "x$1" != "x$2"; then lt_replace_pathsep_chars="s|$1|$2|g" func_to_host_path_result=`echo "$3" | $SED -e "$lt_replace_pathsep_chars"` else func_to_host_path_result=$3 fi fi } # end func_convert_path_check # func_convert_path_front_back_pathsep FRONTPAT BACKPAT REPL ORIG # Modifies func_to_host_path_result by prepending REPL if ORIG matches FRONTPAT # and appending REPL if ORIG matches BACKPAT. func_convert_path_front_back_pathsep () { $debug_cmd case $4 in $1 ) func_to_host_path_result=$3$func_to_host_path_result ;; esac case $4 in $2 ) func_append func_to_host_path_result "$3" ;; esac } # end func_convert_path_front_back_pathsep ################################################## # $build to $host FILE NAME CONVERSION FUNCTIONS # ################################################## # invoked via '$to_host_file_cmd ARG' # # In each case, ARG is the path to be converted from $build to $host format. # Result will be available in $func_to_host_file_result. # func_to_host_file ARG # Converts the file name ARG from $build format to $host format. Return result # in func_to_host_file_result. func_to_host_file () { $debug_cmd $to_host_file_cmd "$1" } # end func_to_host_file # func_to_tool_file ARG LAZY # converts the file name ARG from $build format to toolchain format. Return # result in func_to_tool_file_result. If the conversion in use is listed # in (the comma separated) LAZY, no conversion takes place. func_to_tool_file () { $debug_cmd case ,$2, in *,"$to_tool_file_cmd",*) func_to_tool_file_result=$1 ;; *) $to_tool_file_cmd "$1" func_to_tool_file_result=$func_to_host_file_result ;; esac } # end func_to_tool_file # func_convert_file_noop ARG # Copy ARG to func_to_host_file_result. func_convert_file_noop () { func_to_host_file_result=$1 } # end func_convert_file_noop # func_convert_file_msys_to_w32 ARG # Convert file name ARG from (mingw) MSYS to (mingw) w32 format; automatic # conversion to w32 is not available inside the cwrapper. Returns result in # func_to_host_file_result. func_convert_file_msys_to_w32 () { $debug_cmd func_to_host_file_result=$1 if test -n "$1"; then func_convert_core_msys_to_w32 "$1" func_to_host_file_result=$func_convert_core_msys_to_w32_result fi func_convert_file_check "$1" "$func_to_host_file_result" } # end func_convert_file_msys_to_w32 # func_convert_file_cygwin_to_w32 ARG # Convert file name ARG from Cygwin to w32 format. Returns result in # func_to_host_file_result. func_convert_file_cygwin_to_w32 () { $debug_cmd func_to_host_file_result=$1 if test -n "$1"; then # because $build is cygwin, we call "the" cygpath in $PATH; no need to use # LT_CYGPATH in this case. func_to_host_file_result=`cygpath -m "$1"` fi func_convert_file_check "$1" "$func_to_host_file_result" } # end func_convert_file_cygwin_to_w32 # func_convert_file_nix_to_w32 ARG # Convert file name ARG from *nix to w32 format. Requires a wine environment # and a working winepath. Returns result in func_to_host_file_result. func_convert_file_nix_to_w32 () { $debug_cmd func_to_host_file_result=$1 if test -n "$1"; then func_convert_core_file_wine_to_w32 "$1" func_to_host_file_result=$func_convert_core_file_wine_to_w32_result fi func_convert_file_check "$1" "$func_to_host_file_result" } # end func_convert_file_nix_to_w32 # func_convert_file_msys_to_cygwin ARG # Convert file name ARG from MSYS to Cygwin format. Requires LT_CYGPATH set. # Returns result in func_to_host_file_result. func_convert_file_msys_to_cygwin () { $debug_cmd func_to_host_file_result=$1 if test -n "$1"; then func_convert_core_msys_to_w32 "$1" func_cygpath -u "$func_convert_core_msys_to_w32_result" func_to_host_file_result=$func_cygpath_result fi func_convert_file_check "$1" "$func_to_host_file_result" } # end func_convert_file_msys_to_cygwin # func_convert_file_nix_to_cygwin ARG # Convert file name ARG from *nix to Cygwin format. Requires Cygwin installed # in a wine environment, working winepath, and LT_CYGPATH set. Returns result # in func_to_host_file_result. func_convert_file_nix_to_cygwin () { $debug_cmd func_to_host_file_result=$1 if test -n "$1"; then # convert from *nix to w32, then use cygpath to convert from w32 to cygwin. func_convert_core_file_wine_to_w32 "$1" func_cygpath -u "$func_convert_core_file_wine_to_w32_result" func_to_host_file_result=$func_cygpath_result fi func_convert_file_check "$1" "$func_to_host_file_result" } # end func_convert_file_nix_to_cygwin ############################################# # $build to $host PATH CONVERSION FUNCTIONS # ############################################# # invoked via '$to_host_path_cmd ARG' # # In each case, ARG is the path to be converted from $build to $host format. # The result will be available in $func_to_host_path_result. # # Path separators are also converted from $build format to $host format. If # ARG begins or ends with a path separator character, it is preserved (but # converted to $host format) on output. # # All path conversion functions are named using the following convention: # file name conversion function : func_convert_file_X_to_Y () # path conversion function : func_convert_path_X_to_Y () # where, for any given $build/$host combination the 'X_to_Y' value is the # same. If conversion functions are added for new $build/$host combinations, # the two new functions must follow this pattern, or func_init_to_host_path_cmd # will break. # func_init_to_host_path_cmd # Ensures that function "pointer" variable $to_host_path_cmd is set to the # appropriate value, based on the value of $to_host_file_cmd. to_host_path_cmd= func_init_to_host_path_cmd () { $debug_cmd if test -z "$to_host_path_cmd"; then func_stripname 'func_convert_file_' '' "$to_host_file_cmd" to_host_path_cmd=func_convert_path_$func_stripname_result fi } # func_to_host_path ARG # Converts the path ARG from $build format to $host format. Return result # in func_to_host_path_result. func_to_host_path () { $debug_cmd func_init_to_host_path_cmd $to_host_path_cmd "$1" } # end func_to_host_path # func_convert_path_noop ARG # Copy ARG to func_to_host_path_result. func_convert_path_noop () { func_to_host_path_result=$1 } # end func_convert_path_noop # func_convert_path_msys_to_w32 ARG # Convert path ARG from (mingw) MSYS to (mingw) w32 format; automatic # conversion to w32 is not available inside the cwrapper. Returns result in # func_to_host_path_result. func_convert_path_msys_to_w32 () { $debug_cmd func_to_host_path_result=$1 if test -n "$1"; then # Remove leading and trailing path separator characters from ARG. MSYS # behavior is inconsistent here; cygpath turns them into '.;' and ';.'; # and winepath ignores them completely. func_stripname : : "$1" func_to_host_path_tmp1=$func_stripname_result func_convert_core_msys_to_w32 "$func_to_host_path_tmp1" func_to_host_path_result=$func_convert_core_msys_to_w32_result func_convert_path_check : ";" \ "$func_to_host_path_tmp1" "$func_to_host_path_result" func_convert_path_front_back_pathsep ":*" "*:" ";" "$1" fi } # end func_convert_path_msys_to_w32 # func_convert_path_cygwin_to_w32 ARG # Convert path ARG from Cygwin to w32 format. Returns result in # func_to_host_file_result. func_convert_path_cygwin_to_w32 () { $debug_cmd func_to_host_path_result=$1 if test -n "$1"; then # See func_convert_path_msys_to_w32: func_stripname : : "$1" func_to_host_path_tmp1=$func_stripname_result func_to_host_path_result=`cygpath -m -p "$func_to_host_path_tmp1"` func_convert_path_check : ";" \ "$func_to_host_path_tmp1" "$func_to_host_path_result" func_convert_path_front_back_pathsep ":*" "*:" ";" "$1" fi } # end func_convert_path_cygwin_to_w32 # func_convert_path_nix_to_w32 ARG # Convert path ARG from *nix to w32 format. Requires a wine environment and # a working winepath. Returns result in func_to_host_file_result. func_convert_path_nix_to_w32 () { $debug_cmd func_to_host_path_result=$1 if test -n "$1"; then # See func_convert_path_msys_to_w32: func_stripname : : "$1" func_to_host_path_tmp1=$func_stripname_result func_convert_core_path_wine_to_w32 "$func_to_host_path_tmp1" func_to_host_path_result=$func_convert_core_path_wine_to_w32_result func_convert_path_check : ";" \ "$func_to_host_path_tmp1" "$func_to_host_path_result" func_convert_path_front_back_pathsep ":*" "*:" ";" "$1" fi } # end func_convert_path_nix_to_w32 # func_convert_path_msys_to_cygwin ARG # Convert path ARG from MSYS to Cygwin format. Requires LT_CYGPATH set. # Returns result in func_to_host_file_result. func_convert_path_msys_to_cygwin () { $debug_cmd func_to_host_path_result=$1 if test -n "$1"; then # See func_convert_path_msys_to_w32: func_stripname : : "$1" func_to_host_path_tmp1=$func_stripname_result func_convert_core_msys_to_w32 "$func_to_host_path_tmp1" func_cygpath -u -p "$func_convert_core_msys_to_w32_result" func_to_host_path_result=$func_cygpath_result func_convert_path_check : : \ "$func_to_host_path_tmp1" "$func_to_host_path_result" func_convert_path_front_back_pathsep ":*" "*:" : "$1" fi } # end func_convert_path_msys_to_cygwin # func_convert_path_nix_to_cygwin ARG # Convert path ARG from *nix to Cygwin format. Requires Cygwin installed in a # a wine environment, working winepath, and LT_CYGPATH set. Returns result in # func_to_host_file_result. func_convert_path_nix_to_cygwin () { $debug_cmd func_to_host_path_result=$1 if test -n "$1"; then # Remove leading and trailing path separator characters from # ARG. msys behavior is inconsistent here, cygpath turns them # into '.;' and ';.', and winepath ignores them completely. func_stripname : : "$1" func_to_host_path_tmp1=$func_stripname_result func_convert_core_path_wine_to_w32 "$func_to_host_path_tmp1" func_cygpath -u -p "$func_convert_core_path_wine_to_w32_result" func_to_host_path_result=$func_cygpath_result func_convert_path_check : : \ "$func_to_host_path_tmp1" "$func_to_host_path_result" func_convert_path_front_back_pathsep ":*" "*:" : "$1" fi } # end func_convert_path_nix_to_cygwin # func_dll_def_p FILE # True iff FILE is a Windows DLL '.def' file. # Keep in sync with _LT_DLL_DEF_P in libtool.m4 func_dll_def_p () { $debug_cmd func_dll_def_p_tmp=`$SED -n \ -e 's/^[ ]*//' \ -e '/^\(;.*\)*$/d' \ -e 's/^\(EXPORTS\|LIBRARY\)\([ ].*\)*$/DEF/p' \ -e q \ "$1"` test DEF = "$func_dll_def_p_tmp" } # func_mode_compile arg... func_mode_compile () { $debug_cmd # Get the compilation command and the source file. base_compile= srcfile=$nonopt # always keep a non-empty value in "srcfile" suppress_opt=yes suppress_output= arg_mode=normal libobj= later= pie_flag= for arg do case $arg_mode in arg ) # do not "continue". Instead, add this to base_compile lastarg=$arg arg_mode=normal ;; target ) libobj=$arg arg_mode=normal continue ;; normal ) # Accept any command-line options. case $arg in -o) test -n "$libobj" && \ func_fatal_error "you cannot specify '-o' more than once" arg_mode=target continue ;; -pie | -fpie | -fPIE) func_append pie_flag " $arg" continue ;; -shared | -static | -prefer-pic | -prefer-non-pic) func_append later " $arg" continue ;; -no-suppress) suppress_opt=no continue ;; -Xcompiler) arg_mode=arg # the next one goes into the "base_compile" arg list continue # The current "srcfile" will either be retained or ;; # replaced later. I would guess that would be a bug. -Wc,*) func_stripname '-Wc,' '' "$arg" args=$func_stripname_result lastarg= save_ifs=$IFS; IFS=, for arg in $args; do IFS=$save_ifs func_append_quoted lastarg "$arg" done IFS=$save_ifs func_stripname ' ' '' "$lastarg" lastarg=$func_stripname_result # Add the arguments to base_compile. func_append base_compile " $lastarg" continue ;; *) # Accept the current argument as the source file. # The previous "srcfile" becomes the current argument. # lastarg=$srcfile srcfile=$arg ;; esac # case $arg ;; esac # case $arg_mode # Aesthetically quote the previous argument. func_append_quoted base_compile "$lastarg" done # for arg case $arg_mode in arg) func_fatal_error "you must specify an argument for -Xcompile" ;; target) func_fatal_error "you must specify a target with '-o'" ;; *) # Get the name of the library object. test -z "$libobj" && { func_basename "$srcfile" libobj=$func_basename_result } ;; esac # Recognize several different file suffixes. # If the user specifies -o file.o, it is replaced with file.lo case $libobj in *.[cCFSifmso] | \ *.ada | *.adb | *.ads | *.asm | \ *.c++ | *.cc | *.ii | *.class | *.cpp | *.cxx | \ *.[fF][09]? | *.for | *.java | *.go | *.obj | *.sx | *.cu | *.cup) func_xform "$libobj" libobj=$func_xform_result ;; esac case $libobj in *.lo) func_lo2o "$libobj"; obj=$func_lo2o_result ;; *) func_fatal_error "cannot determine name of library object from '$libobj'" ;; esac func_infer_tag $base_compile for arg in $later; do case $arg in -shared) test yes = "$build_libtool_libs" \ || func_fatal_configuration "cannot build a shared library" build_old_libs=no continue ;; -static) build_libtool_libs=no build_old_libs=yes continue ;; -prefer-pic) pic_mode=yes continue ;; -prefer-non-pic) pic_mode=no continue ;; esac done func_quote_arg pretty "$libobj" test "X$libobj" != "X$func_quote_arg_result" \ && $ECHO "X$libobj" | $GREP '[]~#^*{};<>?"'"'"' &()|`$[]' \ && func_warning "libobj name '$libobj' may not contain shell special characters." func_dirname_and_basename "$obj" "/" "" objname=$func_basename_result xdir=$func_dirname_result lobj=$xdir$objdir/$objname test -z "$base_compile" && \ func_fatal_help "you must specify a compilation command" # Delete any leftover library objects. if test yes = "$build_old_libs"; then removelist="$obj $lobj $libobj ${libobj}T" else removelist="$lobj $libobj ${libobj}T" fi # On Cygwin there's no "real" PIC flag so we must build both object types case $host_os in cygwin* | mingw* | pw32* | os2* | cegcc*) pic_mode=default ;; esac if test no = "$pic_mode" && test pass_all != "$deplibs_check_method"; then # non-PIC code in shared libraries is not supported pic_mode=default fi # Calculate the filename of the output object if compiler does # not support -o with -c if test no = "$compiler_c_o"; then output_obj=`$ECHO "$srcfile" | $SED 's%^.*/%%; s%\.[^.]*$%%'`.$objext lockfile=$output_obj.lock else output_obj= need_locks=no lockfile= fi # Lock this critical section if it is needed # We use this script file to make the link, it avoids creating a new file if test yes = "$need_locks"; then until $opt_dry_run || ln "$progpath" "$lockfile" 2>/dev/null; do func_echo "Waiting for $lockfile to be removed" sleep 2 done elif test warn = "$need_locks"; then if test -f "$lockfile"; then $ECHO "\ *** ERROR, $lockfile exists and contains: `cat $lockfile 2>/dev/null` This indicates that another process is trying to use the same temporary object file, and libtool could not work around it because your compiler does not support '-c' and '-o' together. If you repeat this compilation, it may succeed, by chance, but you had better avoid parallel builds (make -j) in this platform, or get a better compiler." $opt_dry_run || $RM $removelist exit $EXIT_FAILURE fi func_append removelist " $output_obj" $ECHO "$srcfile" > "$lockfile" fi $opt_dry_run || $RM $removelist func_append removelist " $lockfile" trap '$opt_dry_run || $RM $removelist; exit $EXIT_FAILURE' 1 2 15 func_to_tool_file "$srcfile" func_convert_file_msys_to_w32 srcfile=$func_to_tool_file_result func_quote_arg pretty "$srcfile" qsrcfile=$func_quote_arg_result # Only build a PIC object if we are building libtool libraries. if test yes = "$build_libtool_libs"; then # Without this assignment, base_compile gets emptied. fbsd_hideous_sh_bug=$base_compile if test no != "$pic_mode"; then command="$base_compile $qsrcfile $pic_flag" else # Don't build PIC code command="$base_compile $qsrcfile" fi func_mkdir_p "$xdir$objdir" if test -z "$output_obj"; then # Place PIC objects in $objdir func_append command " -o $lobj" fi func_show_eval_locale "$command" \ 'test -n "$output_obj" && $RM $removelist; exit $EXIT_FAILURE' if test warn = "$need_locks" && test "X`cat $lockfile 2>/dev/null`" != "X$srcfile"; then $ECHO "\ *** ERROR, $lockfile contains: `cat $lockfile 2>/dev/null` but it should contain: $srcfile This indicates that another process is trying to use the same temporary object file, and libtool could not work around it because your compiler does not support '-c' and '-o' together. If you repeat this compilation, it may succeed, by chance, but you had better avoid parallel builds (make -j) in this platform, or get a better compiler." $opt_dry_run || $RM $removelist exit $EXIT_FAILURE fi # Just move the object if needed, then go on to compile the next one if test -n "$output_obj" && test "X$output_obj" != "X$lobj"; then func_show_eval '$MV "$output_obj" "$lobj"' \ 'error=$?; $opt_dry_run || $RM $removelist; exit $error' fi # Allow error messages only from the first compilation. if test yes = "$suppress_opt"; then suppress_output=' >/dev/null 2>&1' fi fi # Only build a position-dependent object if we build old libraries. if test yes = "$build_old_libs"; then if test yes != "$pic_mode"; then # Don't build PIC code command="$base_compile $qsrcfile$pie_flag" else command="$base_compile $qsrcfile $pic_flag" fi if test yes = "$compiler_c_o"; then func_append command " -o $obj" fi # Suppress compiler output if we already did a PIC compilation. func_append command "$suppress_output" func_show_eval_locale "$command" \ '$opt_dry_run || $RM $removelist; exit $EXIT_FAILURE' if test warn = "$need_locks" && test "X`cat $lockfile 2>/dev/null`" != "X$srcfile"; then $ECHO "\ *** ERROR, $lockfile contains: `cat $lockfile 2>/dev/null` but it should contain: $srcfile This indicates that another process is trying to use the same temporary object file, and libtool could not work around it because your compiler does not support '-c' and '-o' together. If you repeat this compilation, it may succeed, by chance, but you had better avoid parallel builds (make -j) in this platform, or get a better compiler." $opt_dry_run || $RM $removelist exit $EXIT_FAILURE fi # Just move the object if needed if test -n "$output_obj" && test "X$output_obj" != "X$obj"; then func_show_eval '$MV "$output_obj" "$obj"' \ 'error=$?; $opt_dry_run || $RM $removelist; exit $error' fi fi $opt_dry_run || { func_write_libtool_object "$libobj" "$objdir/$objname" "$objname" # Unlock the critical section if it was locked if test no != "$need_locks"; then removelist=$lockfile $RM "$lockfile" fi } exit $EXIT_SUCCESS } $opt_help || { test compile = "$opt_mode" && func_mode_compile ${1+"$@"} } func_mode_help () { # We need to display help for each of the modes. case $opt_mode in "") # Generic help is extracted from the usage comments # at the start of this file. func_help ;; clean) $ECHO \ "Usage: $progname [OPTION]... --mode=clean RM [RM-OPTION]... FILE... Remove files from the build directory. RM is the name of the program to use to delete files associated with each FILE (typically '/bin/rm'). RM-OPTIONS are options (such as '-f') to be passed to RM. If FILE is a libtool library, object or program, all the files associated with it are deleted. Otherwise, only FILE itself is deleted using RM." ;; compile) $ECHO \ "Usage: $progname [OPTION]... --mode=compile COMPILE-COMMAND... SOURCEFILE Compile a source file into a libtool library object. This mode accepts the following additional options: -o OUTPUT-FILE set the output file name to OUTPUT-FILE -no-suppress do not suppress compiler output for multiple passes -prefer-pic try to build PIC objects only -prefer-non-pic try to build non-PIC objects only -shared do not build a '.o' file suitable for static linking -static only build a '.o' file suitable for static linking -Wc,FLAG -Xcompiler FLAG pass FLAG directly to the compiler COMPILE-COMMAND is a command to be used in creating a 'standard' object file from the given SOURCEFILE. The output file name is determined by removing the directory component from SOURCEFILE, then substituting the C source code suffix '.c' with the library object suffix, '.lo'." ;; execute) $ECHO \ "Usage: $progname [OPTION]... --mode=execute COMMAND [ARGS]... Automatically set library path, then run a program. This mode accepts the following additional options: -dlopen FILE add the directory containing FILE to the library path This mode sets the library path environment variable according to '-dlopen' flags. If any of the ARGS are libtool executable wrappers, then they are translated into their corresponding uninstalled binary, and any of their required library directories are added to the library path. Then, COMMAND is executed, with ARGS as arguments." ;; finish) $ECHO \ "Usage: $progname [OPTION]... --mode=finish [LIBDIR]... Complete the installation of libtool libraries. Each LIBDIR is a directory that contains libtool libraries. The commands that this mode executes may require superuser privileges. Use the '--dry-run' option if you just want to see what would be executed." ;; install) $ECHO \ "Usage: $progname [OPTION]... --mode=install INSTALL-COMMAND... Install executables or libraries. INSTALL-COMMAND is the installation command. The first component should be either the 'install' or 'cp' program. The following components of INSTALL-COMMAND are treated specially: -inst-prefix-dir PREFIX-DIR Use PREFIX-DIR as a staging area for installation The rest of the components are interpreted as arguments to that command (only BSD-compatible install options are recognized)." ;; link) $ECHO \ "Usage: $progname [OPTION]... --mode=link LINK-COMMAND... Link object files or libraries together to form another library, or to create an executable program. LINK-COMMAND is a command using the C compiler that you would use to create a program from several object files. The following components of LINK-COMMAND are treated specially: -all-static do not do any dynamic linking at all -avoid-version do not add a version suffix if possible -bindir BINDIR specify path to binaries directory (for systems where libraries must be found in the PATH setting at runtime) -dlopen FILE '-dlpreopen' FILE if it cannot be dlopened at runtime -dlpreopen FILE link in FILE and add its symbols to lt_preloaded_symbols -export-dynamic allow symbols from OUTPUT-FILE to be resolved with dlsym(3) -export-symbols SYMFILE try to export only the symbols listed in SYMFILE -export-symbols-regex REGEX try to export only the symbols matching REGEX -LLIBDIR search LIBDIR for required installed libraries -lNAME OUTPUT-FILE requires the installed library libNAME -module build a library that can dlopened -no-fast-install disable the fast-install mode -no-install link a not-installable executable -no-undefined declare that a library does not refer to external symbols -o OUTPUT-FILE create OUTPUT-FILE from the specified objects -objectlist FILE use a list of object files found in FILE to specify objects -os2dllname NAME force a short DLL name on OS/2 (no effect on other OSes) -precious-files-regex REGEX don't remove output files matching REGEX -release RELEASE specify package release information -rpath LIBDIR the created library will eventually be installed in LIBDIR -R[ ]LIBDIR add LIBDIR to the runtime path of programs and libraries -shared only do dynamic linking of libtool libraries -shrext SUFFIX override the standard shared library file extension -static do not do any dynamic linking of uninstalled libtool libraries -static-libtool-libs do not do any dynamic linking of libtool libraries -version-info CURRENT[:REVISION[:AGE]] specify library version info [each variable defaults to 0] -weak LIBNAME declare that the target provides the LIBNAME interface -Wc,FLAG -Xcompiler FLAG pass linker-specific FLAG directly to the compiler -Wa,FLAG -Xassembler FLAG pass linker-specific FLAG directly to the assembler -Wl,FLAG -Xlinker FLAG pass linker-specific FLAG directly to the linker -XCClinker FLAG pass link-specific FLAG to the compiler driver (CC) All other options (arguments beginning with '-') are ignored. Every other argument is treated as a filename. Files ending in '.la' are treated as uninstalled libtool libraries, other files are standard or library object files. If the OUTPUT-FILE ends in '.la', then a libtool library is created, only library objects ('.lo' files) may be specified, and '-rpath' is required, except when creating a convenience library. If OUTPUT-FILE ends in '.a' or '.lib', then a standard library is created using 'ar' and 'ranlib', or on Windows using 'lib'. If OUTPUT-FILE ends in '.lo' or '.$objext', then a reloadable object file is created, otherwise an executable program is created." ;; uninstall) $ECHO \ "Usage: $progname [OPTION]... --mode=uninstall RM [RM-OPTION]... FILE... Remove libraries from an installation directory. RM is the name of the program to use to delete files associated with each FILE (typically '/bin/rm'). RM-OPTIONS are options (such as '-f') to be passed to RM. If FILE is a libtool library, all the files associated with it are deleted. Otherwise, only FILE itself is deleted using RM." ;; *) func_fatal_help "invalid operation mode '$opt_mode'" ;; esac echo $ECHO "Try '$progname --help' for more information about other modes." } # Now that we've collected a possible --mode arg, show help if necessary if $opt_help; then if test : = "$opt_help"; then func_mode_help else { func_help noexit for opt_mode in compile link execute install finish uninstall clean; do func_mode_help done } | $SED -n '1p; 2,$s/^Usage:/ or: /p' { func_help noexit for opt_mode in compile link execute install finish uninstall clean; do echo func_mode_help done } | $SED '1d /^When reporting/,/^Report/{ H d } $x /information about other modes/d /more detailed .*MODE/d s/^Usage:.*--mode=\([^ ]*\) .*/Description of \1 mode:/' fi exit $? fi # func_mode_execute arg... func_mode_execute () { $debug_cmd # The first argument is the command name. cmd=$nonopt test -z "$cmd" && \ func_fatal_help "you must specify a COMMAND" # Handle -dlopen flags immediately. for file in $opt_dlopen; do test -f "$file" \ || func_fatal_help "'$file' is not a file" dir= case $file in *.la) func_resolve_sysroot "$file" file=$func_resolve_sysroot_result # Check to see that this really is a libtool archive. func_lalib_unsafe_p "$file" \ || func_fatal_help "'$lib' is not a valid libtool archive" # Read the libtool library. dlname= library_names= func_source "$file" # Skip this library if it cannot be dlopened. if test -z "$dlname"; then # Warn if it was a shared library. test -n "$library_names" && \ func_warning "'$file' was not linked with '-export-dynamic'" continue fi func_dirname "$file" "" "." dir=$func_dirname_result if test -f "$dir/$objdir/$dlname"; then func_append dir "/$objdir" else if test ! -f "$dir/$dlname"; then func_fatal_error "cannot find '$dlname' in '$dir' or '$dir/$objdir'" fi fi ;; *.lo) # Just add the directory containing the .lo file. func_dirname "$file" "" "." dir=$func_dirname_result ;; *) func_warning "'-dlopen' is ignored for non-libtool libraries and objects" continue ;; esac # Get the absolute pathname. absdir=`cd "$dir" && pwd` test -n "$absdir" && dir=$absdir # Now add the directory to shlibpath_var. if eval "test -z \"\$$shlibpath_var\""; then eval "$shlibpath_var=\"\$dir\"" else eval "$shlibpath_var=\"\$dir:\$$shlibpath_var\"" fi done # This variable tells wrapper scripts just to set shlibpath_var # rather than running their programs. libtool_execute_magic=$magic # Check if any of the arguments is a wrapper script. args= for file do case $file in -* | *.la | *.lo ) ;; *) # Do a test to see if this is really a libtool program. if func_ltwrapper_script_p "$file"; then func_source "$file" # Transform arg to wrapped name. file=$progdir/$program elif func_ltwrapper_executable_p "$file"; then func_ltwrapper_scriptname "$file" func_source "$func_ltwrapper_scriptname_result" # Transform arg to wrapped name. file=$progdir/$program fi ;; esac # Quote arguments (to preserve shell metacharacters). func_append_quoted args "$file" done if $opt_dry_run; then # Display what would be done. if test -n "$shlibpath_var"; then eval "\$ECHO \"\$shlibpath_var=\$$shlibpath_var\"" echo "export $shlibpath_var" fi $ECHO "$cmd$args" exit $EXIT_SUCCESS else if test -n "$shlibpath_var"; then # Export the shlibpath_var. eval "export $shlibpath_var" fi # Restore saved environment variables for lt_var in LANG LANGUAGE LC_ALL LC_CTYPE LC_COLLATE LC_MESSAGES do eval "if test \"\${save_$lt_var+set}\" = set; then $lt_var=\$save_$lt_var; export $lt_var else $lt_unset $lt_var fi" done # Now prepare to actually exec the command. exec_cmd=\$cmd$args fi } test execute = "$opt_mode" && func_mode_execute ${1+"$@"} # func_mode_finish arg... func_mode_finish () { $debug_cmd libs= libdirs= admincmds= for opt in "$nonopt" ${1+"$@"} do if test -d "$opt"; then func_append libdirs " $opt" elif test -f "$opt"; then if func_lalib_unsafe_p "$opt"; then func_append libs " $opt" else func_warning "'$opt' is not a valid libtool archive" fi else func_fatal_error "invalid argument '$opt'" fi done if test -n "$libs"; then if test -n "$lt_sysroot"; then sysroot_regex=`$ECHO "$lt_sysroot" | $SED "$sed_make_literal_regex"` sysroot_cmd="s/\([ ']\)$sysroot_regex/\1/g;" else sysroot_cmd= fi # Remove sysroot references if $opt_dry_run; then for lib in $libs; do echo "removing references to $lt_sysroot and '=' prefixes from $lib" done else tmpdir=`func_mktempdir` for lib in $libs; do $SED -e "$sysroot_cmd s/\([ ']-[LR]\)=/\1/g; s/\([ ']\)=/\1/g" $lib \ > $tmpdir/tmp-la mv -f $tmpdir/tmp-la $lib done ${RM}r "$tmpdir" fi fi if test -n "$finish_cmds$finish_eval" && test -n "$libdirs"; then for libdir in $libdirs; do if test -n "$finish_cmds"; then # Do each command in the finish commands. func_execute_cmds "$finish_cmds" 'admincmds="$admincmds '"$cmd"'"' fi if test -n "$finish_eval"; then # Do the single finish_eval. eval cmds=\"$finish_eval\" $opt_dry_run || eval "$cmds" || func_append admincmds " $cmds" fi done fi # Exit here if they wanted silent mode. $opt_quiet && exit $EXIT_SUCCESS if test -n "$finish_cmds$finish_eval" && test -n "$libdirs"; then echo "----------------------------------------------------------------------" echo "Libraries have been installed in:" for libdir in $libdirs; do $ECHO " $libdir" done echo echo "If you ever happen to want to link against installed libraries" echo "in a given directory, LIBDIR, you must either use libtool, and" echo "specify the full pathname of the library, or use the '-LLIBDIR'" echo "flag during linking and do at least one of the following:" if test -n "$shlibpath_var"; then echo " - add LIBDIR to the '$shlibpath_var' environment variable" echo " during execution" fi if test -n "$runpath_var"; then echo " - add LIBDIR to the '$runpath_var' environment variable" echo " during linking" fi if test -n "$hardcode_libdir_flag_spec"; then libdir=LIBDIR eval flag=\"$hardcode_libdir_flag_spec\" $ECHO " - use the '$flag' linker flag" fi if test -n "$admincmds"; then $ECHO " - have your system administrator run these commands:$admincmds" fi if test -f /etc/ld.so.conf; then echo " - have your system administrator add LIBDIR to '/etc/ld.so.conf'" fi echo echo "See any operating system documentation about shared libraries for" case $host in solaris2.[6789]|solaris2.1[0-9]) echo "more information, such as the ld(1), crle(1) and ld.so(8) manual" echo "pages." ;; *) echo "more information, such as the ld(1) and ld.so(8) manual pages." ;; esac echo "----------------------------------------------------------------------" fi exit $EXIT_SUCCESS } test finish = "$opt_mode" && func_mode_finish ${1+"$@"} # func_mode_install arg... func_mode_install () { $debug_cmd # There may be an optional sh(1) argument at the beginning of # install_prog (especially on Windows NT). if test "$SHELL" = "$nonopt" || test /bin/sh = "$nonopt" || # Allow the use of GNU shtool's install command. case $nonopt in *shtool*) :;; *) false;; esac then # Aesthetically quote it. func_quote_arg pretty "$nonopt" install_prog="$func_quote_arg_result " arg=$1 shift else install_prog= arg=$nonopt fi # The real first argument should be the name of the installation program. # Aesthetically quote it. func_quote_arg pretty "$arg" func_append install_prog "$func_quote_arg_result" install_shared_prog=$install_prog case " $install_prog " in *[\\\ /]cp\ *) install_cp=: ;; *) install_cp=false ;; esac # We need to accept at least all the BSD install flags. dest= files= opts= prev= install_type= isdir=false stripme= no_mode=: for arg do arg2= if test -n "$dest"; then func_append files " $dest" dest=$arg continue fi case $arg in -d) isdir=: ;; -f) if $install_cp; then :; else prev=$arg fi ;; -g | -m | -o) prev=$arg ;; -s) stripme=" -s" continue ;; -*) ;; *) # If the previous option needed an argument, then skip it. if test -n "$prev"; then if test X-m = "X$prev" && test -n "$install_override_mode"; then arg2=$install_override_mode no_mode=false fi prev= else dest=$arg continue fi ;; esac # Aesthetically quote the argument. func_quote_arg pretty "$arg" func_append install_prog " $func_quote_arg_result" if test -n "$arg2"; then func_quote_arg pretty "$arg2" fi func_append install_shared_prog " $func_quote_arg_result" done test -z "$install_prog" && \ func_fatal_help "you must specify an install program" test -n "$prev" && \ func_fatal_help "the '$prev' option requires an argument" if test -n "$install_override_mode" && $no_mode; then if $install_cp; then :; else func_quote_arg pretty "$install_override_mode" func_append install_shared_prog " -m $func_quote_arg_result" fi fi if test -z "$files"; then if test -z "$dest"; then func_fatal_help "no file or destination specified" else func_fatal_help "you must specify a destination" fi fi # Strip any trailing slash from the destination. func_stripname '' '/' "$dest" dest=$func_stripname_result # Check to see that the destination is a directory. test -d "$dest" && isdir=: if $isdir; then destdir=$dest destname= else func_dirname_and_basename "$dest" "" "." destdir=$func_dirname_result destname=$func_basename_result # Not a directory, so check to see that there is only one file specified. set dummy $files; shift test "$#" -gt 1 && \ func_fatal_help "'$dest' is not a directory" fi case $destdir in [\\/]* | [A-Za-z]:[\\/]*) ;; *) for file in $files; do case $file in *.lo) ;; *) func_fatal_help "'$destdir' must be an absolute directory name" ;; esac done ;; esac # This variable tells wrapper scripts just to set variables rather # than running their programs. libtool_install_magic=$magic staticlibs= future_libdirs= current_libdirs= for file in $files; do # Do each installation. case $file in *.$libext) # Do the static libraries later. func_append staticlibs " $file" ;; *.la) func_resolve_sysroot "$file" file=$func_resolve_sysroot_result # Check to see that this really is a libtool archive. func_lalib_unsafe_p "$file" \ || func_fatal_help "'$file' is not a valid libtool archive" library_names= old_library= relink_command= func_source "$file" # Add the libdir to current_libdirs if it is the destination. if test "X$destdir" = "X$libdir"; then case "$current_libdirs " in *" $libdir "*) ;; *) func_append current_libdirs " $libdir" ;; esac else # Note the libdir as a future libdir. case "$future_libdirs " in *" $libdir "*) ;; *) func_append future_libdirs " $libdir" ;; esac fi func_dirname "$file" "/" "" dir=$func_dirname_result func_append dir "$objdir" if test -n "$relink_command"; then # Determine the prefix the user has applied to our future dir. inst_prefix_dir=`$ECHO "$destdir" | $SED -e "s%$libdir\$%%"` # Don't allow the user to place us outside of our expected # location b/c this prevents finding dependent libraries that # are installed to the same prefix. # At present, this check doesn't affect windows .dll's that # are installed into $libdir/../bin (currently, that works fine) # but it's something to keep an eye on. test "$inst_prefix_dir" = "$destdir" && \ func_fatal_error "error: cannot install '$file' to a directory not ending in $libdir" if test -n "$inst_prefix_dir"; then # Stick the inst_prefix_dir data into the link command. relink_command=`$ECHO "$relink_command" | $SED "s%@inst_prefix_dir@%-inst-prefix-dir $inst_prefix_dir%"` else relink_command=`$ECHO "$relink_command" | $SED "s%@inst_prefix_dir@%%"` fi func_warning "relinking '$file'" func_show_eval "$relink_command" \ 'func_fatal_error "error: relink '\''$file'\'' with the above command before installing it"' fi # See the names of the shared library. set dummy $library_names; shift if test -n "$1"; then realname=$1 shift srcname=$realname test -n "$relink_command" && srcname=${realname}T # Install the shared library and build the symlinks. func_show_eval "$install_shared_prog $dir/$srcname $destdir/$realname" \ 'exit $?' tstripme=$stripme case $host_os in cygwin* | mingw* | pw32* | cegcc*) case $realname in *.dll.a) tstripme= ;; esac ;; os2*) case $realname in *_dll.a) tstripme= ;; esac ;; esac if test -n "$tstripme" && test -n "$striplib"; then func_show_eval "$striplib $destdir/$realname" 'exit $?' fi if test "$#" -gt 0; then # Delete the old symlinks, and create new ones. # Try 'ln -sf' first, because the 'ln' binary might depend on # the symlink we replace! Solaris /bin/ln does not understand -f, # so we also need to try rm && ln -s. for linkname do test "$linkname" != "$realname" \ && func_show_eval "(cd $destdir && { $LN_S -f $realname $linkname || { $RM $linkname && $LN_S $realname $linkname; }; })" done fi # Do each command in the postinstall commands. lib=$destdir/$realname func_execute_cmds "$postinstall_cmds" 'exit $?' fi # Install the pseudo-library for information purposes. func_basename "$file" name=$func_basename_result instname=$dir/${name}i func_show_eval "$install_prog $instname $destdir/$name" 'exit $?' # Maybe install the static library, too. test -n "$old_library" && func_append staticlibs " $dir/$old_library" ;; *.lo) # Install (i.e. copy) a libtool object. # Figure out destination file name, if it wasn't already specified. if test -n "$destname"; then destfile=$destdir/$destname else func_basename "$file" destfile=$func_basename_result destfile=$destdir/$destfile fi # Deduce the name of the destination old-style object file. case $destfile in *.lo) func_lo2o "$destfile" staticdest=$func_lo2o_result ;; *.$objext) staticdest=$destfile destfile= ;; *) func_fatal_help "cannot copy a libtool object to '$destfile'" ;; esac # Install the libtool object if requested. test -n "$destfile" && \ func_show_eval "$install_prog $file $destfile" 'exit $?' # Install the old object if enabled. if test yes = "$build_old_libs"; then # Deduce the name of the old-style object file. func_lo2o "$file" staticobj=$func_lo2o_result func_show_eval "$install_prog \$staticobj \$staticdest" 'exit $?' fi exit $EXIT_SUCCESS ;; *) # Figure out destination file name, if it wasn't already specified. if test -n "$destname"; then destfile=$destdir/$destname else func_basename "$file" destfile=$func_basename_result destfile=$destdir/$destfile fi # If the file is missing, and there is a .exe on the end, strip it # because it is most likely a libtool script we actually want to # install stripped_ext= case $file in *.exe) if test ! -f "$file"; then func_stripname '' '.exe' "$file" file=$func_stripname_result stripped_ext=.exe fi ;; esac # Do a test to see if this is really a libtool program. case $host in *cygwin* | *mingw*) if func_ltwrapper_executable_p "$file"; then func_ltwrapper_scriptname "$file" wrapper=$func_ltwrapper_scriptname_result else func_stripname '' '.exe' "$file" wrapper=$func_stripname_result fi ;; *) wrapper=$file ;; esac if func_ltwrapper_script_p "$wrapper"; then notinst_deplibs= relink_command= func_source "$wrapper" # Check the variables that should have been set. test -z "$generated_by_libtool_version" && \ func_fatal_error "invalid libtool wrapper script '$wrapper'" finalize=: for lib in $notinst_deplibs; do # Check to see that each library is installed. libdir= if test -f "$lib"; then func_source "$lib" fi libfile=$libdir/`$ECHO "$lib" | $SED 's%^.*/%%g'` if test -n "$libdir" && test ! -f "$libfile"; then func_warning "'$lib' has not been installed in '$libdir'" finalize=false fi done relink_command= func_source "$wrapper" outputname= if test no = "$fast_install" && test -n "$relink_command"; then $opt_dry_run || { if $finalize; then tmpdir=`func_mktempdir` func_basename "$file$stripped_ext" file=$func_basename_result outputname=$tmpdir/$file # Replace the output file specification. relink_command=`$ECHO "$relink_command" | $SED 's%@OUTPUT@%'"$outputname"'%g'` $opt_quiet || { func_quote_arg expand,pretty "$relink_command" eval "func_echo $func_quote_arg_result" } if eval "$relink_command"; then : else func_error "error: relink '$file' with the above command before installing it" $opt_dry_run || ${RM}r "$tmpdir" continue fi file=$outputname else func_warning "cannot relink '$file'" fi } else # Install the binary that we compiled earlier. file=`$ECHO "$file$stripped_ext" | $SED "s%\([^/]*\)$%$objdir/\1%"` fi fi # remove .exe since cygwin /usr/bin/install will append another # one anyway case $install_prog,$host in */usr/bin/install*,*cygwin*) case $file:$destfile in *.exe:*.exe) # this is ok ;; *.exe:*) destfile=$destfile.exe ;; *:*.exe) func_stripname '' '.exe' "$destfile" destfile=$func_stripname_result ;; esac ;; esac func_show_eval "$install_prog\$stripme \$file \$destfile" 'exit $?' $opt_dry_run || if test -n "$outputname"; then ${RM}r "$tmpdir" fi ;; esac done for file in $staticlibs; do func_basename "$file" name=$func_basename_result # Set up the ranlib parameters. oldlib=$destdir/$name func_to_tool_file "$oldlib" func_convert_file_msys_to_w32 tool_oldlib=$func_to_tool_file_result func_show_eval "$install_prog \$file \$oldlib" 'exit $?' if test -n "$stripme" && test -n "$old_striplib"; then func_show_eval "$old_striplib $tool_oldlib" 'exit $?' fi # Do each command in the postinstall commands. func_execute_cmds "$old_postinstall_cmds" 'exit $?' done test -n "$future_libdirs" && \ func_warning "remember to run '$progname --finish$future_libdirs'" if test -n "$current_libdirs"; then # Maybe just do a dry run. $opt_dry_run && current_libdirs=" -n$current_libdirs" exec_cmd='$SHELL "$progpath" $preserve_args --finish$current_libdirs' else exit $EXIT_SUCCESS fi } test install = "$opt_mode" && func_mode_install ${1+"$@"} # func_generate_dlsyms outputname originator pic_p # Extract symbols from dlprefiles and create ${outputname}S.o with # a dlpreopen symbol table. func_generate_dlsyms () { $debug_cmd my_outputname=$1 my_originator=$2 my_pic_p=${3-false} my_prefix=`$ECHO "$my_originator" | $SED 's%[^a-zA-Z0-9]%_%g'` my_dlsyms= if test -n "$dlfiles$dlprefiles" || test no != "$dlself"; then if test -n "$NM" && test -n "$global_symbol_pipe"; then my_dlsyms=${my_outputname}S.c else func_error "not configured to extract global symbols from dlpreopened files" fi fi if test -n "$my_dlsyms"; then case $my_dlsyms in "") ;; *.c) # Discover the nlist of each of the dlfiles. nlist=$output_objdir/$my_outputname.nm func_show_eval "$RM $nlist ${nlist}S ${nlist}T" # Parse the name list into a source file. func_verbose "creating $output_objdir/$my_dlsyms" $opt_dry_run || $ECHO > "$output_objdir/$my_dlsyms" "\ /* $my_dlsyms - symbol resolution table for '$my_outputname' dlsym emulation. */ /* Generated by $PROGRAM (GNU $PACKAGE) $VERSION */ #ifdef __cplusplus extern \"C\" { #endif #if defined __GNUC__ && (((__GNUC__ == 4) && (__GNUC_MINOR__ >= 4)) || (__GNUC__ > 4)) #pragma GCC diagnostic ignored \"-Wstrict-prototypes\" #endif /* Keep this code in sync between libtool.m4, ltmain, lt_system.h, and tests. */ #if defined _WIN32 || defined __CYGWIN__ || defined _WIN32_WCE /* DATA imports from DLLs on WIN32 can't be const, because runtime relocations are performed -- see ld's documentation on pseudo-relocs. */ # define LT_DLSYM_CONST #elif defined __osf__ /* This system does not cope well with relocations in const data. */ # define LT_DLSYM_CONST #else # define LT_DLSYM_CONST const #endif #define STREQ(s1, s2) (strcmp ((s1), (s2)) == 0) /* External symbol declarations for the compiler. */\ " if test yes = "$dlself"; then func_verbose "generating symbol list for '$output'" $opt_dry_run || echo ': @PROGRAM@ ' > "$nlist" # Add our own program objects to the symbol list. progfiles=`$ECHO "$objs$old_deplibs" | $SP2NL | $SED "$lo2o" | $NL2SP` for progfile in $progfiles; do func_to_tool_file "$progfile" func_convert_file_msys_to_w32 func_verbose "extracting global C symbols from '$func_to_tool_file_result'" $opt_dry_run || eval "$NM $func_to_tool_file_result | $global_symbol_pipe >> '$nlist'" done if test -n "$exclude_expsyms"; then $opt_dry_run || { eval '$EGREP -v " ($exclude_expsyms)$" "$nlist" > "$nlist"T' eval '$MV "$nlist"T "$nlist"' } fi if test -n "$export_symbols_regex"; then $opt_dry_run || { eval '$EGREP -e "$export_symbols_regex" "$nlist" > "$nlist"T' eval '$MV "$nlist"T "$nlist"' } fi # Prepare the list of exported symbols if test -z "$export_symbols"; then export_symbols=$output_objdir/$outputname.exp $opt_dry_run || { $RM $export_symbols eval "$SED -n -e '/^: @PROGRAM@ $/d' -e 's/^.* \(.*\)$/\1/p' "'< "$nlist" > "$export_symbols"' case $host in *cygwin* | *mingw* | *cegcc* ) eval "echo EXPORTS "'> "$output_objdir/$outputname.def"' eval 'cat "$export_symbols" >> "$output_objdir/$outputname.def"' ;; esac } else $opt_dry_run || { eval "$SED -e 's/\([].[*^$]\)/\\\\\1/g' -e 's/^/ /' -e 's/$/$/'"' < "$export_symbols" > "$output_objdir/$outputname.exp"' eval '$GREP -f "$output_objdir/$outputname.exp" < "$nlist" > "$nlist"T' eval '$MV "$nlist"T "$nlist"' case $host in *cygwin* | *mingw* | *cegcc* ) eval "echo EXPORTS "'> "$output_objdir/$outputname.def"' eval 'cat "$nlist" >> "$output_objdir/$outputname.def"' ;; esac } fi fi for dlprefile in $dlprefiles; do func_verbose "extracting global C symbols from '$dlprefile'" func_basename "$dlprefile" name=$func_basename_result case $host in *cygwin* | *mingw* | *cegcc* ) # if an import library, we need to obtain dlname if func_win32_import_lib_p "$dlprefile"; then func_tr_sh "$dlprefile" eval "curr_lafile=\$libfile_$func_tr_sh_result" dlprefile_dlbasename= if test -n "$curr_lafile" && func_lalib_p "$curr_lafile"; then # Use subshell, to avoid clobbering current variable values dlprefile_dlname=`source "$curr_lafile" && echo "$dlname"` if test -n "$dlprefile_dlname"; then func_basename "$dlprefile_dlname" dlprefile_dlbasename=$func_basename_result else # no lafile. user explicitly requested -dlpreopen . $sharedlib_from_linklib_cmd "$dlprefile" dlprefile_dlbasename=$sharedlib_from_linklib_result fi fi $opt_dry_run || { if test -n "$dlprefile_dlbasename"; then eval '$ECHO ": $dlprefile_dlbasename" >> "$nlist"' else func_warning "Could not compute DLL name from $name" eval '$ECHO ": $name " >> "$nlist"' fi func_to_tool_file "$dlprefile" func_convert_file_msys_to_w32 eval "$NM \"$func_to_tool_file_result\" 2>/dev/null | $global_symbol_pipe | $SED -e '/I __imp/d' -e 's/I __nm_/D /;s/_nm__//' >> '$nlist'" } else # not an import lib $opt_dry_run || { eval '$ECHO ": $name " >> "$nlist"' func_to_tool_file "$dlprefile" func_convert_file_msys_to_w32 eval "$NM \"$func_to_tool_file_result\" 2>/dev/null | $global_symbol_pipe >> '$nlist'" } fi ;; *) $opt_dry_run || { eval '$ECHO ": $name " >> "$nlist"' func_to_tool_file "$dlprefile" func_convert_file_msys_to_w32 eval "$NM \"$func_to_tool_file_result\" 2>/dev/null | $global_symbol_pipe >> '$nlist'" } ;; esac done $opt_dry_run || { # Make sure we have at least an empty file. test -f "$nlist" || : > "$nlist" if test -n "$exclude_expsyms"; then $EGREP -v " ($exclude_expsyms)$" "$nlist" > "$nlist"T $MV "$nlist"T "$nlist" fi # Try sorting and uniquifying the output. if $GREP -v "^: " < "$nlist" | if sort -k 3 /dev/null 2>&1; then sort -k 3 else sort +2 fi | uniq > "$nlist"S; then : else $GREP -v "^: " < "$nlist" > "$nlist"S fi if test -f "$nlist"S; then eval "$global_symbol_to_cdecl"' < "$nlist"S >> "$output_objdir/$my_dlsyms"' else echo '/* NONE */' >> "$output_objdir/$my_dlsyms" fi func_show_eval '$RM "${nlist}I"' if test -n "$global_symbol_to_import"; then eval "$global_symbol_to_import"' < "$nlist"S > "$nlist"I' fi echo >> "$output_objdir/$my_dlsyms" "\ /* The mapping between symbol names and symbols. */ typedef struct { const char *name; void *address; } lt_dlsymlist; extern LT_DLSYM_CONST lt_dlsymlist lt_${my_prefix}_LTX_preloaded_symbols[];\ " if test -s "$nlist"I; then echo >> "$output_objdir/$my_dlsyms" "\ static void lt_syminit(void) { LT_DLSYM_CONST lt_dlsymlist *symbol = lt_${my_prefix}_LTX_preloaded_symbols; for (; symbol->name; ++symbol) {" $SED 's/.*/ if (STREQ (symbol->name, \"&\")) symbol->address = (void *) \&&;/' < "$nlist"I >> "$output_objdir/$my_dlsyms" echo >> "$output_objdir/$my_dlsyms" "\ } }" fi echo >> "$output_objdir/$my_dlsyms" "\ LT_DLSYM_CONST lt_dlsymlist lt_${my_prefix}_LTX_preloaded_symbols[] = { {\"$my_originator\", (void *) 0}," if test -s "$nlist"I; then echo >> "$output_objdir/$my_dlsyms" "\ {\"@INIT@\", (void *) <_syminit}," fi case $need_lib_prefix in no) eval "$global_symbol_to_c_name_address" < "$nlist" >> "$output_objdir/$my_dlsyms" ;; *) eval "$global_symbol_to_c_name_address_lib_prefix" < "$nlist" >> "$output_objdir/$my_dlsyms" ;; esac echo >> "$output_objdir/$my_dlsyms" "\ {0, (void *) 0} }; /* This works around a problem in FreeBSD linker */ #ifdef FREEBSD_WORKAROUND static const void *lt_preloaded_setup() { return lt_${my_prefix}_LTX_preloaded_symbols; } #endif #ifdef __cplusplus } #endif\ " } # !$opt_dry_run pic_flag_for_symtable= case "$compile_command " in *" -static "*) ;; *) case $host in # compiling the symbol table file with pic_flag works around # a FreeBSD bug that causes programs to crash when -lm is # linked before any other PIC object. But we must not use # pic_flag when linking with -static. The problem exists in # FreeBSD 2.2.6 and is fixed in FreeBSD 3.1. *-*-freebsd2.*|*-*-freebsd3.0*|*-*-freebsdelf3.0*) pic_flag_for_symtable=" $pic_flag -DFREEBSD_WORKAROUND" ;; *-*-hpux*) pic_flag_for_symtable=" $pic_flag" ;; *) $my_pic_p && pic_flag_for_symtable=" $pic_flag" ;; esac ;; esac symtab_cflags= for arg in $LTCFLAGS; do case $arg in -pie | -fpie | -fPIE) ;; *) func_append symtab_cflags " $arg" ;; esac done # Now compile the dynamic symbol file. func_show_eval '(cd $output_objdir && $LTCC$symtab_cflags -c$no_builtin_flag$pic_flag_for_symtable "$my_dlsyms")' 'exit $?' # Clean up the generated files. func_show_eval '$RM "$output_objdir/$my_dlsyms" "$nlist" "${nlist}S" "${nlist}T" "${nlist}I"' # Transform the symbol file into the correct name. symfileobj=$output_objdir/${my_outputname}S.$objext case $host in *cygwin* | *mingw* | *cegcc* ) if test -f "$output_objdir/$my_outputname.def"; then compile_command=`$ECHO "$compile_command" | $SED "s%@SYMFILE@%$output_objdir/$my_outputname.def $symfileobj%"` finalize_command=`$ECHO "$finalize_command" | $SED "s%@SYMFILE@%$output_objdir/$my_outputname.def $symfileobj%"` else compile_command=`$ECHO "$compile_command" | $SED "s%@SYMFILE@%$symfileobj%"` finalize_command=`$ECHO "$finalize_command" | $SED "s%@SYMFILE@%$symfileobj%"` fi ;; *) compile_command=`$ECHO "$compile_command" | $SED "s%@SYMFILE@%$symfileobj%"` finalize_command=`$ECHO "$finalize_command" | $SED "s%@SYMFILE@%$symfileobj%"` ;; esac ;; *) func_fatal_error "unknown suffix for '$my_dlsyms'" ;; esac else # We keep going just in case the user didn't refer to # lt_preloaded_symbols. The linker will fail if global_symbol_pipe # really was required. # Nullify the symbol file. compile_command=`$ECHO "$compile_command" | $SED "s% @SYMFILE@%%"` finalize_command=`$ECHO "$finalize_command" | $SED "s% @SYMFILE@%%"` fi } # func_cygming_gnu_implib_p ARG # This predicate returns with zero status (TRUE) if # ARG is a GNU/binutils-style import library. Returns # with nonzero status (FALSE) otherwise. func_cygming_gnu_implib_p () { $debug_cmd func_to_tool_file "$1" func_convert_file_msys_to_w32 func_cygming_gnu_implib_tmp=`$NM "$func_to_tool_file_result" | eval "$global_symbol_pipe" | $EGREP ' (_head_[A-Za-z0-9_]+_[ad]l*|[A-Za-z0-9_]+_[ad]l*_iname)$'` test -n "$func_cygming_gnu_implib_tmp" } # func_cygming_ms_implib_p ARG # This predicate returns with zero status (TRUE) if # ARG is an MS-style import library. Returns # with nonzero status (FALSE) otherwise. func_cygming_ms_implib_p () { $debug_cmd func_to_tool_file "$1" func_convert_file_msys_to_w32 func_cygming_ms_implib_tmp=`$NM "$func_to_tool_file_result" | eval "$global_symbol_pipe" | $GREP '_NULL_IMPORT_DESCRIPTOR'` test -n "$func_cygming_ms_implib_tmp" } # func_win32_libid arg # return the library type of file 'arg' # # Need a lot of goo to handle *both* DLLs and import libs # Has to be a shell function in order to 'eat' the argument # that is supplied when $file_magic_command is called. # Despite the name, also deal with 64 bit binaries. func_win32_libid () { $debug_cmd win32_libid_type=unknown win32_fileres=`file -L $1 2>/dev/null` case $win32_fileres in *ar\ archive\ import\ library*) # definitely import win32_libid_type="x86 archive import" ;; *ar\ archive*) # could be an import, or static # Keep the egrep pattern in sync with the one in _LT_CHECK_MAGIC_METHOD. if eval $OBJDUMP -f $1 | $SED -e '10q' 2>/dev/null | $EGREP 'file format (pei*-i386(.*architecture: i386)?|pe-arm-wince|pe-x86-64)' >/dev/null; then case $nm_interface in "MS dumpbin") if func_cygming_ms_implib_p "$1" || func_cygming_gnu_implib_p "$1" then win32_nmres=import else win32_nmres= fi ;; *) func_to_tool_file "$1" func_convert_file_msys_to_w32 win32_nmres=`eval $NM -f posix -A \"$func_to_tool_file_result\" | $SED -n -e ' 1,100{ / I /{ s|.*|import| p q } }'` ;; esac case $win32_nmres in import*) win32_libid_type="x86 archive import";; *) win32_libid_type="x86 archive static";; esac fi ;; *DLL*) win32_libid_type="x86 DLL" ;; *executable*) # but shell scripts are "executable" too... case $win32_fileres in *MS\ Windows\ PE\ Intel*) win32_libid_type="x86 DLL" ;; esac ;; esac $ECHO "$win32_libid_type" } # func_cygming_dll_for_implib ARG # # Platform-specific function to extract the # name of the DLL associated with the specified # import library ARG. # Invoked by eval'ing the libtool variable # $sharedlib_from_linklib_cmd # Result is available in the variable # $sharedlib_from_linklib_result func_cygming_dll_for_implib () { $debug_cmd sharedlib_from_linklib_result=`$DLLTOOL --identify-strict --identify "$1"` } # func_cygming_dll_for_implib_fallback_core SECTION_NAME LIBNAMEs # # The is the core of a fallback implementation of a # platform-specific function to extract the name of the # DLL associated with the specified import library LIBNAME. # # SECTION_NAME is either .idata$6 or .idata$7, depending # on the platform and compiler that created the implib. # # Echos the name of the DLL associated with the # specified import library. func_cygming_dll_for_implib_fallback_core () { $debug_cmd match_literal=`$ECHO "$1" | $SED "$sed_make_literal_regex"` $OBJDUMP -s --section "$1" "$2" 2>/dev/null | $SED '/^Contents of section '"$match_literal"':/{ # Place marker at beginning of archive member dllname section s/.*/====MARK====/ p d } # These lines can sometimes be longer than 43 characters, but # are always uninteresting /:[ ]*file format pe[i]\{,1\}-/d /^In archive [^:]*:/d # Ensure marker is printed /^====MARK====/p # Remove all lines with less than 43 characters /^.\{43\}/!d # From remaining lines, remove first 43 characters s/^.\{43\}//' | $SED -n ' # Join marker and all lines until next marker into a single line /^====MARK====/ b para H $ b para b :para x s/\n//g # Remove the marker s/^====MARK====// # Remove trailing dots and whitespace s/[\. \t]*$// # Print /./p' | # we now have a list, one entry per line, of the stringified # contents of the appropriate section of all members of the # archive that possess that section. Heuristic: eliminate # all those that have a first or second character that is # a '.' (that is, objdump's representation of an unprintable # character.) This should work for all archives with less than # 0x302f exports -- but will fail for DLLs whose name actually # begins with a literal '.' or a single character followed by # a '.'. # # Of those that remain, print the first one. $SED -e '/^\./d;/^.\./d;q' } # func_cygming_dll_for_implib_fallback ARG # Platform-specific function to extract the # name of the DLL associated with the specified # import library ARG. # # This fallback implementation is for use when $DLLTOOL # does not support the --identify-strict option. # Invoked by eval'ing the libtool variable # $sharedlib_from_linklib_cmd # Result is available in the variable # $sharedlib_from_linklib_result func_cygming_dll_for_implib_fallback () { $debug_cmd if func_cygming_gnu_implib_p "$1"; then # binutils import library sharedlib_from_linklib_result=`func_cygming_dll_for_implib_fallback_core '.idata$7' "$1"` elif func_cygming_ms_implib_p "$1"; then # ms-generated import library sharedlib_from_linklib_result=`func_cygming_dll_for_implib_fallback_core '.idata$6' "$1"` else # unknown sharedlib_from_linklib_result= fi } # func_extract_an_archive dir oldlib func_extract_an_archive () { $debug_cmd f_ex_an_ar_dir=$1; shift f_ex_an_ar_oldlib=$1 if test yes = "$lock_old_archive_extraction"; then lockfile=$f_ex_an_ar_oldlib.lock until $opt_dry_run || ln "$progpath" "$lockfile" 2>/dev/null; do func_echo "Waiting for $lockfile to be removed" sleep 2 done fi func_show_eval "(cd \$f_ex_an_ar_dir && $AR x \"\$f_ex_an_ar_oldlib\")" \ 'stat=$?; rm -f "$lockfile"; exit $stat' if test yes = "$lock_old_archive_extraction"; then $opt_dry_run || rm -f "$lockfile" fi if ($AR t "$f_ex_an_ar_oldlib" | sort | sort -uc >/dev/null 2>&1); then : else func_fatal_error "object name conflicts in archive: $f_ex_an_ar_dir/$f_ex_an_ar_oldlib" fi } # func_extract_archives gentop oldlib ... func_extract_archives () { $debug_cmd my_gentop=$1; shift my_oldlibs=${1+"$@"} my_oldobjs= my_xlib= my_xabs= my_xdir= for my_xlib in $my_oldlibs; do # Extract the objects. case $my_xlib in [\\/]* | [A-Za-z]:[\\/]*) my_xabs=$my_xlib ;; *) my_xabs=`pwd`"/$my_xlib" ;; esac func_basename "$my_xlib" my_xlib=$func_basename_result my_xlib_u=$my_xlib while :; do case " $extracted_archives " in *" $my_xlib_u "*) func_arith $extracted_serial + 1 extracted_serial=$func_arith_result my_xlib_u=lt$extracted_serial-$my_xlib ;; *) break ;; esac done extracted_archives="$extracted_archives $my_xlib_u" my_xdir=$my_gentop/$my_xlib_u func_mkdir_p "$my_xdir" case $host in *-darwin*) func_verbose "Extracting $my_xabs" # Do not bother doing anything if just a dry run $opt_dry_run || { darwin_orig_dir=`pwd` cd $my_xdir || exit $? darwin_archive=$my_xabs darwin_curdir=`pwd` func_basename "$darwin_archive" darwin_base_archive=$func_basename_result darwin_arches=`$LIPO -info "$darwin_archive" 2>/dev/null | $GREP Architectures 2>/dev/null || true` if test -n "$darwin_arches"; then darwin_arches=`$ECHO "$darwin_arches" | $SED -e 's/.*are://'` darwin_arch= func_verbose "$darwin_base_archive has multiple architectures $darwin_arches" for darwin_arch in $darwin_arches; do func_mkdir_p "unfat-$$/$darwin_base_archive-$darwin_arch" $LIPO -thin $darwin_arch -output "unfat-$$/$darwin_base_archive-$darwin_arch/$darwin_base_archive" "$darwin_archive" cd "unfat-$$/$darwin_base_archive-$darwin_arch" func_extract_an_archive "`pwd`" "$darwin_base_archive" cd "$darwin_curdir" $RM "unfat-$$/$darwin_base_archive-$darwin_arch/$darwin_base_archive" done # $darwin_arches ## Okay now we've a bunch of thin objects, gotta fatten them up :) darwin_filelist=`find unfat-$$ -type f -name \*.o -print -o -name \*.lo -print | $SED -e "$sed_basename" | sort -u` darwin_file= darwin_files= for darwin_file in $darwin_filelist; do darwin_files=`find unfat-$$ -name $darwin_file -print | sort | $NL2SP` $LIPO -create -output "$darwin_file" $darwin_files done # $darwin_filelist $RM -rf unfat-$$ cd "$darwin_orig_dir" else cd $darwin_orig_dir func_extract_an_archive "$my_xdir" "$my_xabs" fi # $darwin_arches } # !$opt_dry_run ;; *) func_extract_an_archive "$my_xdir" "$my_xabs" ;; esac my_oldobjs="$my_oldobjs "`find $my_xdir -name \*.$objext -print -o -name \*.lo -print | sort | $NL2SP` done func_extract_archives_result=$my_oldobjs } # func_emit_wrapper [arg=no] # # Emit a libtool wrapper script on stdout. # Don't directly open a file because we may want to # incorporate the script contents within a cygwin/mingw # wrapper executable. Must ONLY be called from within # func_mode_link because it depends on a number of variables # set therein. # # ARG is the value that the WRAPPER_SCRIPT_BELONGS_IN_OBJDIR # variable will take. If 'yes', then the emitted script # will assume that the directory where it is stored is # the $objdir directory. This is a cygwin/mingw-specific # behavior. func_emit_wrapper () { func_emit_wrapper_arg1=${1-no} $ECHO "\ #! $SHELL # $output - temporary wrapper script for $objdir/$outputname # Generated by $PROGRAM (GNU $PACKAGE) $VERSION # # The $output program cannot be directly executed until all the libtool # libraries that it depends on are installed. # # This wrapper script should never be moved out of the build directory. # If it is, it will not operate correctly. # Sed substitution that helps us do robust quoting. It backslashifies # metacharacters that are still active within double-quoted strings. sed_quote_subst='$sed_quote_subst' # Be Bourne compatible if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; then emulate sh NULLCMD=: # Zsh 3.x and 4.x performs word splitting on \${1+\"\$@\"}, which # is contrary to our usage. Disable this feature. alias -g '\${1+\"\$@\"}'='\"\$@\"' setopt NO_GLOB_SUBST else case \`(set -o) 2>/dev/null\` in *posix*) set -o posix;; esac fi BIN_SH=xpg4; export BIN_SH # for Tru64 DUALCASE=1; export DUALCASE # for MKS sh # The HP-UX ksh and POSIX shell print the target directory to stdout # if CDPATH is set. (unset CDPATH) >/dev/null 2>&1 && unset CDPATH relink_command=\"$relink_command\" # This environment variable determines our operation mode. if test \"\$libtool_install_magic\" = \"$magic\"; then # install mode needs the following variables: generated_by_libtool_version='$macro_version' notinst_deplibs='$notinst_deplibs' else # When we are sourced in execute mode, \$file and \$ECHO are already set. if test \"\$libtool_execute_magic\" != \"$magic\"; then file=\"\$0\"" func_quote_arg pretty "$ECHO" qECHO=$func_quote_arg_result $ECHO "\ # A function that is used when there is no print builtin or printf. func_fallback_echo () { eval 'cat <<_LTECHO_EOF \$1 _LTECHO_EOF' } ECHO=$qECHO fi # Very basic option parsing. These options are (a) specific to # the libtool wrapper, (b) are identical between the wrapper # /script/ and the wrapper /executable/ that is used only on # windows platforms, and (c) all begin with the string "--lt-" # (application programs are unlikely to have options that match # this pattern). # # There are only two supported options: --lt-debug and # --lt-dump-script. There is, deliberately, no --lt-help. # # The first argument to this parsing function should be the # script's $0 value, followed by "$@". lt_option_debug= func_parse_lt_options () { lt_script_arg0=\$0 shift for lt_opt do case \"\$lt_opt\" in --lt-debug) lt_option_debug=1 ;; --lt-dump-script) lt_dump_D=\`\$ECHO \"X\$lt_script_arg0\" | $SED -e 's/^X//' -e 's%/[^/]*$%%'\` test \"X\$lt_dump_D\" = \"X\$lt_script_arg0\" && lt_dump_D=. lt_dump_F=\`\$ECHO \"X\$lt_script_arg0\" | $SED -e 's/^X//' -e 's%^.*/%%'\` cat \"\$lt_dump_D/\$lt_dump_F\" exit 0 ;; --lt-*) \$ECHO \"Unrecognized --lt- option: '\$lt_opt'\" 1>&2 exit 1 ;; esac done # Print the debug banner immediately: if test -n \"\$lt_option_debug\"; then echo \"$outputname:$output:\$LINENO: libtool wrapper (GNU $PACKAGE) $VERSION\" 1>&2 fi } # Used when --lt-debug. Prints its arguments to stdout # (redirection is the responsibility of the caller) func_lt_dump_args () { lt_dump_args_N=1; for lt_arg do \$ECHO \"$outputname:$output:\$LINENO: newargv[\$lt_dump_args_N]: \$lt_arg\" lt_dump_args_N=\`expr \$lt_dump_args_N + 1\` done } # Core function for launching the target application func_exec_program_core () { " case $host in # Backslashes separate directories on plain windows *-*-mingw | *-*-os2* | *-cegcc*) $ECHO "\ if test -n \"\$lt_option_debug\"; then \$ECHO \"$outputname:$output:\$LINENO: newargv[0]: \$progdir\\\\\$program\" 1>&2 func_lt_dump_args \${1+\"\$@\"} 1>&2 fi exec \"\$progdir\\\\\$program\" \${1+\"\$@\"} " ;; *) $ECHO "\ if test -n \"\$lt_option_debug\"; then \$ECHO \"$outputname:$output:\$LINENO: newargv[0]: \$progdir/\$program\" 1>&2 func_lt_dump_args \${1+\"\$@\"} 1>&2 fi exec \"\$progdir/\$program\" \${1+\"\$@\"} " ;; esac $ECHO "\ \$ECHO \"\$0: cannot exec \$program \$*\" 1>&2 exit 1 } # A function to encapsulate launching the target application # Strips options in the --lt-* namespace from \$@ and # launches target application with the remaining arguments. func_exec_program () { case \" \$* \" in *\\ --lt-*) for lt_wr_arg do case \$lt_wr_arg in --lt-*) ;; *) set x \"\$@\" \"\$lt_wr_arg\"; shift;; esac shift done ;; esac func_exec_program_core \${1+\"\$@\"} } # Parse options func_parse_lt_options \"\$0\" \${1+\"\$@\"} # Find the directory that this script lives in. thisdir=\`\$ECHO \"\$file\" | $SED 's%/[^/]*$%%'\` test \"x\$thisdir\" = \"x\$file\" && thisdir=. # Follow symbolic links until we get to the real thisdir. file=\`ls -ld \"\$file\" | $SED -n 's/.*-> //p'\` while test -n \"\$file\"; do destdir=\`\$ECHO \"\$file\" | $SED 's%/[^/]*\$%%'\` # If there was a directory component, then change thisdir. if test \"x\$destdir\" != \"x\$file\"; then case \"\$destdir\" in [\\\\/]* | [A-Za-z]:[\\\\/]*) thisdir=\"\$destdir\" ;; *) thisdir=\"\$thisdir/\$destdir\" ;; esac fi file=\`\$ECHO \"\$file\" | $SED 's%^.*/%%'\` file=\`ls -ld \"\$thisdir/\$file\" | $SED -n 's/.*-> //p'\` done # Usually 'no', except on cygwin/mingw when embedded into # the cwrapper. WRAPPER_SCRIPT_BELONGS_IN_OBJDIR=$func_emit_wrapper_arg1 if test \"\$WRAPPER_SCRIPT_BELONGS_IN_OBJDIR\" = \"yes\"; then # special case for '.' if test \"\$thisdir\" = \".\"; then thisdir=\`pwd\` fi # remove .libs from thisdir case \"\$thisdir\" in *[\\\\/]$objdir ) thisdir=\`\$ECHO \"\$thisdir\" | $SED 's%[\\\\/][^\\\\/]*$%%'\` ;; $objdir ) thisdir=. ;; esac fi # Try to get the absolute directory name. absdir=\`cd \"\$thisdir\" && pwd\` test -n \"\$absdir\" && thisdir=\"\$absdir\" " if test yes = "$fast_install"; then $ECHO "\ program=lt-'$outputname'$exeext progdir=\"\$thisdir/$objdir\" if test ! -f \"\$progdir/\$program\" || { file=\`ls -1dt \"\$progdir/\$program\" \"\$progdir/../\$program\" 2>/dev/null | $SED 1q\`; \\ test \"X\$file\" != \"X\$progdir/\$program\"; }; then file=\"\$\$-\$program\" if test ! -d \"\$progdir\"; then $MKDIR \"\$progdir\" else $RM \"\$progdir/\$file\" fi" $ECHO "\ # relink executable if necessary if test -n \"\$relink_command\"; then if relink_command_output=\`eval \$relink_command 2>&1\`; then : else \$ECHO \"\$relink_command_output\" >&2 $RM \"\$progdir/\$file\" exit 1 fi fi $MV \"\$progdir/\$file\" \"\$progdir/\$program\" 2>/dev/null || { $RM \"\$progdir/\$program\"; $MV \"\$progdir/\$file\" \"\$progdir/\$program\"; } $RM \"\$progdir/\$file\" fi" else $ECHO "\ program='$outputname' progdir=\"\$thisdir/$objdir\" " fi $ECHO "\ if test -f \"\$progdir/\$program\"; then" # fixup the dll searchpath if we need to. # # Fix the DLL searchpath if we need to. Do this before prepending # to shlibpath, because on Windows, both are PATH and uninstalled # libraries must come first. if test -n "$dllsearchpath"; then $ECHO "\ # Add the dll search path components to the executable PATH PATH=$dllsearchpath:\$PATH " fi # Export our shlibpath_var if we have one. if test yes = "$shlibpath_overrides_runpath" && test -n "$shlibpath_var" && test -n "$temp_rpath"; then $ECHO "\ # Add our own library path to $shlibpath_var $shlibpath_var=\"$temp_rpath\$$shlibpath_var\" # Some systems cannot cope with colon-terminated $shlibpath_var # The second colon is a workaround for a bug in BeOS R4 sed $shlibpath_var=\`\$ECHO \"\$$shlibpath_var\" | $SED 's/::*\$//'\` export $shlibpath_var " fi $ECHO "\ if test \"\$libtool_execute_magic\" != \"$magic\"; then # Run the actual program with our arguments. func_exec_program \${1+\"\$@\"} fi else # The program doesn't exist. \$ECHO \"\$0: error: '\$progdir/\$program' does not exist\" 1>&2 \$ECHO \"This script is just a wrapper for \$program.\" 1>&2 \$ECHO \"See the $PACKAGE documentation for more information.\" 1>&2 exit 1 fi fi\ " } # func_emit_cwrapperexe_src # emit the source code for a wrapper executable on stdout # Must ONLY be called from within func_mode_link because # it depends on a number of variable set therein. func_emit_cwrapperexe_src () { cat < #include #ifdef _MSC_VER # include # include # include #else # include # include # ifdef __CYGWIN__ # include # endif #endif #include #include #include #include #include #include #include #include #define STREQ(s1, s2) (strcmp ((s1), (s2)) == 0) /* declarations of non-ANSI functions */ #if defined __MINGW32__ # ifdef __STRICT_ANSI__ int _putenv (const char *); # endif #elif defined __CYGWIN__ # ifdef __STRICT_ANSI__ char *realpath (const char *, char *); int putenv (char *); int setenv (const char *, const char *, int); # endif /* #elif defined other_platform || defined ... */ #endif /* portability defines, excluding path handling macros */ #if defined _MSC_VER # define setmode _setmode # define stat _stat # define chmod _chmod # define getcwd _getcwd # define putenv _putenv # define S_IXUSR _S_IEXEC #elif defined __MINGW32__ # define setmode _setmode # define stat _stat # define chmod _chmod # define getcwd _getcwd # define putenv _putenv #elif defined __CYGWIN__ # define HAVE_SETENV # define FOPEN_WB "wb" /* #elif defined other platforms ... */ #endif #if defined PATH_MAX # define LT_PATHMAX PATH_MAX #elif defined MAXPATHLEN # define LT_PATHMAX MAXPATHLEN #else # define LT_PATHMAX 1024 #endif #ifndef S_IXOTH # define S_IXOTH 0 #endif #ifndef S_IXGRP # define S_IXGRP 0 #endif /* path handling portability macros */ #ifndef DIR_SEPARATOR # define DIR_SEPARATOR '/' # define PATH_SEPARATOR ':' #endif #if defined _WIN32 || defined __MSDOS__ || defined __DJGPP__ || \ defined __OS2__ # define HAVE_DOS_BASED_FILE_SYSTEM # define FOPEN_WB "wb" # ifndef DIR_SEPARATOR_2 # define DIR_SEPARATOR_2 '\\' # endif # ifndef PATH_SEPARATOR_2 # define PATH_SEPARATOR_2 ';' # endif #endif #ifndef DIR_SEPARATOR_2 # define IS_DIR_SEPARATOR(ch) ((ch) == DIR_SEPARATOR) #else /* DIR_SEPARATOR_2 */ # define IS_DIR_SEPARATOR(ch) \ (((ch) == DIR_SEPARATOR) || ((ch) == DIR_SEPARATOR_2)) #endif /* DIR_SEPARATOR_2 */ #ifndef PATH_SEPARATOR_2 # define IS_PATH_SEPARATOR(ch) ((ch) == PATH_SEPARATOR) #else /* PATH_SEPARATOR_2 */ # define IS_PATH_SEPARATOR(ch) ((ch) == PATH_SEPARATOR_2) #endif /* PATH_SEPARATOR_2 */ #ifndef FOPEN_WB # define FOPEN_WB "w" #endif #ifndef _O_BINARY # define _O_BINARY 0 #endif #define XMALLOC(type, num) ((type *) xmalloc ((num) * sizeof(type))) #define XFREE(stale) do { \ if (stale) { free (stale); stale = 0; } \ } while (0) #if defined LT_DEBUGWRAPPER static int lt_debug = 1; #else static int lt_debug = 0; #endif const char *program_name = "libtool-wrapper"; /* in case xstrdup fails */ void *xmalloc (size_t num); char *xstrdup (const char *string); const char *base_name (const char *name); char *find_executable (const char *wrapper); char *chase_symlinks (const char *pathspec); int make_executable (const char *path); int check_executable (const char *path); char *strendzap (char *str, const char *pat); void lt_debugprintf (const char *file, int line, const char *fmt, ...); void lt_fatal (const char *file, int line, const char *message, ...); static const char *nonnull (const char *s); static const char *nonempty (const char *s); void lt_setenv (const char *name, const char *value); char *lt_extend_str (const char *orig_value, const char *add, int to_end); void lt_update_exe_path (const char *name, const char *value); void lt_update_lib_path (const char *name, const char *value); char **prepare_spawn (char **argv); void lt_dump_script (FILE *f); EOF cat <= 0) && (st.st_mode & (S_IXUSR | S_IXGRP | S_IXOTH))) return 1; else return 0; } int make_executable (const char *path) { int rval = 0; struct stat st; lt_debugprintf (__FILE__, __LINE__, "(make_executable): %s\n", nonempty (path)); if ((!path) || (!*path)) return 0; if (stat (path, &st) >= 0) { rval = chmod (path, st.st_mode | S_IXOTH | S_IXGRP | S_IXUSR); } return rval; } /* Searches for the full path of the wrapper. Returns newly allocated full path name if found, NULL otherwise Does not chase symlinks, even on platforms that support them. */ char * find_executable (const char *wrapper) { int has_slash = 0; const char *p; const char *p_next; /* static buffer for getcwd */ char tmp[LT_PATHMAX + 1]; size_t tmp_len; char *concat_name; lt_debugprintf (__FILE__, __LINE__, "(find_executable): %s\n", nonempty (wrapper)); if ((wrapper == NULL) || (*wrapper == '\0')) return NULL; /* Absolute path? */ #if defined HAVE_DOS_BASED_FILE_SYSTEM if (isalpha ((unsigned char) wrapper[0]) && wrapper[1] == ':') { concat_name = xstrdup (wrapper); if (check_executable (concat_name)) return concat_name; XFREE (concat_name); } else { #endif if (IS_DIR_SEPARATOR (wrapper[0])) { concat_name = xstrdup (wrapper); if (check_executable (concat_name)) return concat_name; XFREE (concat_name); } #if defined HAVE_DOS_BASED_FILE_SYSTEM } #endif for (p = wrapper; *p; p++) if (*p == '/') { has_slash = 1; break; } if (!has_slash) { /* no slashes; search PATH */ const char *path = getenv ("PATH"); if (path != NULL) { for (p = path; *p; p = p_next) { const char *q; size_t p_len; for (q = p; *q; q++) if (IS_PATH_SEPARATOR (*q)) break; p_len = (size_t) (q - p); p_next = (*q == '\0' ? q : q + 1); if (p_len == 0) { /* empty path: current directory */ if (getcwd (tmp, LT_PATHMAX) == NULL) lt_fatal (__FILE__, __LINE__, "getcwd failed: %s", nonnull (strerror (errno))); tmp_len = strlen (tmp); concat_name = XMALLOC (char, tmp_len + 1 + strlen (wrapper) + 1); memcpy (concat_name, tmp, tmp_len); concat_name[tmp_len] = '/'; strcpy (concat_name + tmp_len + 1, wrapper); } else { concat_name = XMALLOC (char, p_len + 1 + strlen (wrapper) + 1); memcpy (concat_name, p, p_len); concat_name[p_len] = '/'; strcpy (concat_name + p_len + 1, wrapper); } if (check_executable (concat_name)) return concat_name; XFREE (concat_name); } } /* not found in PATH; assume curdir */ } /* Relative path | not found in path: prepend cwd */ if (getcwd (tmp, LT_PATHMAX) == NULL) lt_fatal (__FILE__, __LINE__, "getcwd failed: %s", nonnull (strerror (errno))); tmp_len = strlen (tmp); concat_name = XMALLOC (char, tmp_len + 1 + strlen (wrapper) + 1); memcpy (concat_name, tmp, tmp_len); concat_name[tmp_len] = '/'; strcpy (concat_name + tmp_len + 1, wrapper); if (check_executable (concat_name)) return concat_name; XFREE (concat_name); return NULL; } char * chase_symlinks (const char *pathspec) { #ifndef S_ISLNK return xstrdup (pathspec); #else char buf[LT_PATHMAX]; struct stat s; char *tmp_pathspec = xstrdup (pathspec); char *p; int has_symlinks = 0; while (strlen (tmp_pathspec) && !has_symlinks) { lt_debugprintf (__FILE__, __LINE__, "checking path component for symlinks: %s\n", tmp_pathspec); if (lstat (tmp_pathspec, &s) == 0) { if (S_ISLNK (s.st_mode) != 0) { has_symlinks = 1; break; } /* search backwards for last DIR_SEPARATOR */ p = tmp_pathspec + strlen (tmp_pathspec) - 1; while ((p > tmp_pathspec) && (!IS_DIR_SEPARATOR (*p))) p--; if ((p == tmp_pathspec) && (!IS_DIR_SEPARATOR (*p))) { /* no more DIR_SEPARATORS left */ break; } *p = '\0'; } else { lt_fatal (__FILE__, __LINE__, "error accessing file \"%s\": %s", tmp_pathspec, nonnull (strerror (errno))); } } XFREE (tmp_pathspec); if (!has_symlinks) { return xstrdup (pathspec); } tmp_pathspec = realpath (pathspec, buf); if (tmp_pathspec == 0) { lt_fatal (__FILE__, __LINE__, "could not follow symlinks for %s", pathspec); } return xstrdup (tmp_pathspec); #endif } char * strendzap (char *str, const char *pat) { size_t len, patlen; assert (str != NULL); assert (pat != NULL); len = strlen (str); patlen = strlen (pat); if (patlen <= len) { str += len - patlen; if (STREQ (str, pat)) *str = '\0'; } return str; } void lt_debugprintf (const char *file, int line, const char *fmt, ...) { va_list args; if (lt_debug) { (void) fprintf (stderr, "%s:%s:%d: ", program_name, file, line); va_start (args, fmt); (void) vfprintf (stderr, fmt, args); va_end (args); } } static void lt_error_core (int exit_status, const char *file, int line, const char *mode, const char *message, va_list ap) { fprintf (stderr, "%s:%s:%d: %s: ", program_name, file, line, mode); vfprintf (stderr, message, ap); fprintf (stderr, ".\n"); if (exit_status >= 0) exit (exit_status); } void lt_fatal (const char *file, int line, const char *message, ...) { va_list ap; va_start (ap, message); lt_error_core (EXIT_FAILURE, file, line, "FATAL", message, ap); va_end (ap); } static const char * nonnull (const char *s) { return s ? s : "(null)"; } static const char * nonempty (const char *s) { return (s && !*s) ? "(empty)" : nonnull (s); } void lt_setenv (const char *name, const char *value) { lt_debugprintf (__FILE__, __LINE__, "(lt_setenv) setting '%s' to '%s'\n", nonnull (name), nonnull (value)); { #ifdef HAVE_SETENV /* always make a copy, for consistency with !HAVE_SETENV */ char *str = xstrdup (value); setenv (name, str, 1); #else size_t len = strlen (name) + 1 + strlen (value) + 1; char *str = XMALLOC (char, len); sprintf (str, "%s=%s", name, value); if (putenv (str) != EXIT_SUCCESS) { XFREE (str); } #endif } } char * lt_extend_str (const char *orig_value, const char *add, int to_end) { char *new_value; if (orig_value && *orig_value) { size_t orig_value_len = strlen (orig_value); size_t add_len = strlen (add); new_value = XMALLOC (char, add_len + orig_value_len + 1); if (to_end) { strcpy (new_value, orig_value); strcpy (new_value + orig_value_len, add); } else { strcpy (new_value, add); strcpy (new_value + add_len, orig_value); } } else { new_value = xstrdup (add); } return new_value; } void lt_update_exe_path (const char *name, const char *value) { lt_debugprintf (__FILE__, __LINE__, "(lt_update_exe_path) modifying '%s' by prepending '%s'\n", nonnull (name), nonnull (value)); if (name && *name && value && *value) { char *new_value = lt_extend_str (getenv (name), value, 0); /* some systems can't cope with a ':'-terminated path #' */ size_t len = strlen (new_value); while ((len > 0) && IS_PATH_SEPARATOR (new_value[len-1])) { new_value[--len] = '\0'; } lt_setenv (name, new_value); XFREE (new_value); } } void lt_update_lib_path (const char *name, const char *value) { lt_debugprintf (__FILE__, __LINE__, "(lt_update_lib_path) modifying '%s' by prepending '%s'\n", nonnull (name), nonnull (value)); if (name && *name && value && *value) { char *new_value = lt_extend_str (getenv (name), value, 0); lt_setenv (name, new_value); XFREE (new_value); } } EOF case $host_os in mingw*) cat <<"EOF" /* Prepares an argument vector before calling spawn(). Note that spawn() does not by itself call the command interpreter (getenv ("COMSPEC") != NULL ? getenv ("COMSPEC") : ({ OSVERSIONINFO v; v.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); GetVersionEx(&v); v.dwPlatformId == VER_PLATFORM_WIN32_NT; }) ? "cmd.exe" : "command.com"). Instead it simply concatenates the arguments, separated by ' ', and calls CreateProcess(). We must quote the arguments since Win32 CreateProcess() interprets characters like ' ', '\t', '\\', '"' (but not '<' and '>') in a special way: - Space and tab are interpreted as delimiters. They are not treated as delimiters if they are surrounded by double quotes: "...". - Unescaped double quotes are removed from the input. Their only effect is that within double quotes, space and tab are treated like normal characters. - Backslashes not followed by double quotes are not special. - But 2*n+1 backslashes followed by a double quote become n backslashes followed by a double quote (n >= 0): \" -> " \\\" -> \" \\\\\" -> \\" */ #define SHELL_SPECIAL_CHARS "\"\\ \001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037" #define SHELL_SPACE_CHARS " \001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037" char ** prepare_spawn (char **argv) { size_t argc; char **new_argv; size_t i; /* Count number of arguments. */ for (argc = 0; argv[argc] != NULL; argc++) ; /* Allocate new argument vector. */ new_argv = XMALLOC (char *, argc + 1); /* Put quoted arguments into the new argument vector. */ for (i = 0; i < argc; i++) { const char *string = argv[i]; if (string[0] == '\0') new_argv[i] = xstrdup ("\"\""); else if (strpbrk (string, SHELL_SPECIAL_CHARS) != NULL) { int quote_around = (strpbrk (string, SHELL_SPACE_CHARS) != NULL); size_t length; unsigned int backslashes; const char *s; char *quoted_string; char *p; length = 0; backslashes = 0; if (quote_around) length++; for (s = string; *s != '\0'; s++) { char c = *s; if (c == '"') length += backslashes + 1; length++; if (c == '\\') backslashes++; else backslashes = 0; } if (quote_around) length += backslashes + 1; quoted_string = XMALLOC (char, length + 1); p = quoted_string; backslashes = 0; if (quote_around) *p++ = '"'; for (s = string; *s != '\0'; s++) { char c = *s; if (c == '"') { unsigned int j; for (j = backslashes + 1; j > 0; j--) *p++ = '\\'; } *p++ = c; if (c == '\\') backslashes++; else backslashes = 0; } if (quote_around) { unsigned int j; for (j = backslashes; j > 0; j--) *p++ = '\\'; *p++ = '"'; } *p = '\0'; new_argv[i] = quoted_string; } else new_argv[i] = (char *) string; } new_argv[argc] = NULL; return new_argv; } EOF ;; esac cat <<"EOF" void lt_dump_script (FILE* f) { EOF func_emit_wrapper yes | $SED -n -e ' s/^\(.\{79\}\)\(..*\)/\1\ \2/ h s/\([\\"]\)/\\\1/g s/$/\\n/ s/\([^\n]*\).*/ fputs ("\1", f);/p g D' cat <<"EOF" } EOF } # end: func_emit_cwrapperexe_src # func_win32_import_lib_p ARG # True if ARG is an import lib, as indicated by $file_magic_cmd func_win32_import_lib_p () { $debug_cmd case `eval $file_magic_cmd \"\$1\" 2>/dev/null | $SED -e 10q` in *import*) : ;; *) false ;; esac } # func_suncc_cstd_abi # !!ONLY CALL THIS FOR SUN CC AFTER $compile_command IS FULLY EXPANDED!! # Several compiler flags select an ABI that is incompatible with the # Cstd library. Avoid specifying it if any are in CXXFLAGS. func_suncc_cstd_abi () { $debug_cmd case " $compile_command " in *" -compat=g "*|*\ -std=c++[0-9][0-9]\ *|*" -library=stdcxx4 "*|*" -library=stlport4 "*) suncc_use_cstd_abi=no ;; *) suncc_use_cstd_abi=yes ;; esac } # func_mode_link arg... func_mode_link () { $debug_cmd case $host in *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*) # It is impossible to link a dll without this setting, and # we shouldn't force the makefile maintainer to figure out # what system we are compiling for in order to pass an extra # flag for every libtool invocation. # allow_undefined=no # FIXME: Unfortunately, there are problems with the above when trying # to make a dll that has undefined symbols, in which case not # even a static library is built. For now, we need to specify # -no-undefined on the libtool link line when we can be certain # that all symbols are satisfied, otherwise we get a static library. allow_undefined=yes ;; *) allow_undefined=yes ;; esac libtool_args=$nonopt base_compile="$nonopt $@" compile_command=$nonopt finalize_command=$nonopt compile_rpath= finalize_rpath= compile_shlibpath= finalize_shlibpath= convenience= old_convenience= deplibs= old_deplibs= compiler_flags= linker_flags= dllsearchpath= lib_search_path=`pwd` inst_prefix_dir= new_inherited_linker_flags= avoid_version=no bindir= dlfiles= dlprefiles= dlself=no export_dynamic=no export_symbols= export_symbols_regex= generated= libobjs= ltlibs= module=no no_install=no objs= os2dllname= non_pic_objects= precious_files_regex= prefer_static_libs=no preload=false prev= prevarg= release= rpath= xrpath= perm_rpath= temp_rpath= thread_safe=no vinfo= vinfo_number=no weak_libs= single_module=$wl-single_module func_infer_tag $base_compile # We need to know -static, to get the right output filenames. for arg do case $arg in -shared) test yes != "$build_libtool_libs" \ && func_fatal_configuration "cannot build a shared library" build_old_libs=no break ;; -all-static | -static | -static-libtool-libs) case $arg in -all-static) if test yes = "$build_libtool_libs" && test -z "$link_static_flag"; then func_warning "complete static linking is impossible in this configuration" fi if test -n "$link_static_flag"; then dlopen_self=$dlopen_self_static fi prefer_static_libs=yes ;; -static) if test -z "$pic_flag" && test -n "$link_static_flag"; then dlopen_self=$dlopen_self_static fi prefer_static_libs=built ;; -static-libtool-libs) if test -z "$pic_flag" && test -n "$link_static_flag"; then dlopen_self=$dlopen_self_static fi prefer_static_libs=yes ;; esac build_libtool_libs=no build_old_libs=yes break ;; esac done # See if our shared archives depend on static archives. test -n "$old_archive_from_new_cmds" && build_old_libs=yes # Go through the arguments, transforming them on the way. while test "$#" -gt 0; do arg=$1 shift func_quote_arg pretty,unquoted "$arg" qarg=$func_quote_arg_unquoted_result func_append libtool_args " $func_quote_arg_result" # If the previous option needs an argument, assign it. if test -n "$prev"; then case $prev in output) func_append compile_command " @OUTPUT@" func_append finalize_command " @OUTPUT@" ;; esac case $prev in bindir) bindir=$arg prev= continue ;; dlfiles|dlprefiles) $preload || { # Add the symbol object into the linking commands. func_append compile_command " @SYMFILE@" func_append finalize_command " @SYMFILE@" preload=: } case $arg in *.la | *.lo) ;; # We handle these cases below. force) if test no = "$dlself"; then dlself=needless export_dynamic=yes fi prev= continue ;; self) if test dlprefiles = "$prev"; then dlself=yes elif test dlfiles = "$prev" && test yes != "$dlopen_self"; then dlself=yes else dlself=needless export_dynamic=yes fi prev= continue ;; *) if test dlfiles = "$prev"; then func_append dlfiles " $arg" else func_append dlprefiles " $arg" fi prev= continue ;; esac ;; expsyms) export_symbols=$arg test -f "$arg" \ || func_fatal_error "symbol file '$arg' does not exist" prev= continue ;; expsyms_regex) export_symbols_regex=$arg prev= continue ;; framework) case $host in *-*-darwin*) case "$deplibs " in *" $qarg.ltframework "*) ;; *) func_append deplibs " $qarg.ltframework" # this is fixed later ;; esac ;; esac prev= continue ;; inst_prefix) inst_prefix_dir=$arg prev= continue ;; mllvm) # Clang does not use LLVM to link, so we can simply discard any # '-mllvm $arg' options when doing the link step. prev= continue ;; objectlist) if test -f "$arg"; then save_arg=$arg moreargs= for fil in `cat "$save_arg"` do # func_append moreargs " $fil" arg=$fil # A libtool-controlled object. # Check to see that this really is a libtool object. if func_lalib_unsafe_p "$arg"; then pic_object= non_pic_object= # Read the .lo file func_source "$arg" if test -z "$pic_object" || test -z "$non_pic_object" || test none = "$pic_object" && test none = "$non_pic_object"; then func_fatal_error "cannot find name of object for '$arg'" fi # Extract subdirectory from the argument. func_dirname "$arg" "/" "" xdir=$func_dirname_result if test none != "$pic_object"; then # Prepend the subdirectory the object is found in. pic_object=$xdir$pic_object if test dlfiles = "$prev"; then if test yes = "$build_libtool_libs" && test yes = "$dlopen_support"; then func_append dlfiles " $pic_object" prev= continue else # If libtool objects are unsupported, then we need to preload. prev=dlprefiles fi fi # CHECK ME: I think I busted this. -Ossama if test dlprefiles = "$prev"; then # Preload the old-style object. func_append dlprefiles " $pic_object" prev= fi # A PIC object. func_append libobjs " $pic_object" arg=$pic_object fi # Non-PIC object. if test none != "$non_pic_object"; then # Prepend the subdirectory the object is found in. non_pic_object=$xdir$non_pic_object # A standard non-PIC object func_append non_pic_objects " $non_pic_object" if test -z "$pic_object" || test none = "$pic_object"; then arg=$non_pic_object fi else # If the PIC object exists, use it instead. # $xdir was prepended to $pic_object above. non_pic_object=$pic_object func_append non_pic_objects " $non_pic_object" fi else # Only an error if not doing a dry-run. if $opt_dry_run; then # Extract subdirectory from the argument. func_dirname "$arg" "/" "" xdir=$func_dirname_result func_lo2o "$arg" pic_object=$xdir$objdir/$func_lo2o_result non_pic_object=$xdir$func_lo2o_result func_append libobjs " $pic_object" func_append non_pic_objects " $non_pic_object" else func_fatal_error "'$arg' is not a valid libtool object" fi fi done else func_fatal_error "link input file '$arg' does not exist" fi arg=$save_arg prev= continue ;; os2dllname) os2dllname=$arg prev= continue ;; precious_regex) precious_files_regex=$arg prev= continue ;; release) release=-$arg prev= continue ;; rpath | xrpath) # We need an absolute path. case $arg in [\\/]* | [A-Za-z]:[\\/]*) ;; *) func_fatal_error "only absolute run-paths are allowed" ;; esac if test rpath = "$prev"; then case "$rpath " in *" $arg "*) ;; *) func_append rpath " $arg" ;; esac else case "$xrpath " in *" $arg "*) ;; *) func_append xrpath " $arg" ;; esac fi prev= continue ;; shrext) shrext_cmds=$arg prev= continue ;; weak) func_append weak_libs " $arg" prev= continue ;; xassembler) func_append compiler_flags " -Xassembler $qarg" prev= func_append compile_command " -Xassembler $qarg" func_append finalize_command " -Xassembler $qarg" continue ;; xcclinker) func_append linker_flags " $qarg" func_append compiler_flags " $qarg" prev= func_append compile_command " $qarg" func_append finalize_command " $qarg" continue ;; xcompiler) func_append compiler_flags " $qarg" prev= func_append compile_command " $qarg" func_append finalize_command " $qarg" continue ;; xlinker) func_append linker_flags " $qarg" func_append compiler_flags " $wl$qarg" prev= func_append compile_command " $wl$qarg" func_append finalize_command " $wl$qarg" continue ;; *) eval "$prev=\"\$arg\"" prev= continue ;; esac fi # test -n "$prev" prevarg=$arg case $arg in -all-static) if test -n "$link_static_flag"; then # See comment for -static flag below, for more details. func_append compile_command " $link_static_flag" func_append finalize_command " $link_static_flag" fi continue ;; -allow-undefined) # FIXME: remove this flag sometime in the future. func_fatal_error "'-allow-undefined' must not be used because it is the default" ;; -avoid-version) avoid_version=yes continue ;; -bindir) prev=bindir continue ;; -dlopen) prev=dlfiles continue ;; -dlpreopen) prev=dlprefiles continue ;; -export-dynamic) export_dynamic=yes continue ;; -export-symbols | -export-symbols-regex) if test -n "$export_symbols" || test -n "$export_symbols_regex"; then func_fatal_error "more than one -exported-symbols argument is not allowed" fi if test X-export-symbols = "X$arg"; then prev=expsyms else prev=expsyms_regex fi continue ;; -framework) prev=framework continue ;; -inst-prefix-dir) prev=inst_prefix continue ;; # The native IRIX linker understands -LANG:*, -LIST:* and -LNO:* # so, if we see these flags be careful not to treat them like -L -L[A-Z][A-Z]*:*) case $with_gcc/$host in no/*-*-irix* | /*-*-irix*) func_append compile_command " $arg" func_append finalize_command " $arg" ;; esac continue ;; -L*) func_stripname "-L" '' "$arg" if test -z "$func_stripname_result"; then if test "$#" -gt 0; then func_fatal_error "require no space between '-L' and '$1'" else func_fatal_error "need path for '-L' option" fi fi func_resolve_sysroot "$func_stripname_result" dir=$func_resolve_sysroot_result # We need an absolute path. case $dir in [\\/]* | [A-Za-z]:[\\/]*) ;; *) absdir=`cd "$dir" && pwd` test -z "$absdir" && \ func_fatal_error "cannot determine absolute directory name of '$dir'" dir=$absdir ;; esac case "$deplibs " in *" -L$dir "* | *" $arg "*) # Will only happen for absolute or sysroot arguments ;; *) # Preserve sysroot, but never include relative directories case $dir in [\\/]* | [A-Za-z]:[\\/]* | =*) func_append deplibs " $arg" ;; *) func_append deplibs " -L$dir" ;; esac func_append lib_search_path " $dir" ;; esac case $host in *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*) testbindir=`$ECHO "$dir" | $SED 's*/lib$*/bin*'` case :$dllsearchpath: in *":$dir:"*) ;; ::) dllsearchpath=$dir;; *) func_append dllsearchpath ":$dir";; esac case :$dllsearchpath: in *":$testbindir:"*) ;; ::) dllsearchpath=$testbindir;; *) func_append dllsearchpath ":$testbindir";; esac ;; esac continue ;; -l*) if test X-lc = "X$arg" || test X-lm = "X$arg"; then case $host in *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-beos* | *-cegcc* | *-*-haiku*) # These systems don't actually have a C or math library (as such) continue ;; *-*-os2*) # These systems don't actually have a C library (as such) test X-lc = "X$arg" && continue ;; *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* | *-*-bitrig* | *-*-midnightbsd*) # Do not include libc due to us having libc/libc_r. test X-lc = "X$arg" && continue ;; *-*-rhapsody* | *-*-darwin1.[012]) # Rhapsody C and math libraries are in the System framework func_append deplibs " System.ltframework" continue ;; *-*-sco3.2v5* | *-*-sco5v6*) # Causes problems with __ctype test X-lc = "X$arg" && continue ;; *-*-sysv4.2uw2* | *-*-sysv5* | *-*-unixware* | *-*-OpenUNIX*) # Compiler inserts libc in the correct place for threads to work test X-lc = "X$arg" && continue ;; esac elif test X-lc_r = "X$arg"; then case $host in *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* | *-*-bitrig* | *-*-midnightbsd*) # Do not include libc_r directly, use -pthread flag. continue ;; esac fi func_append deplibs " $arg" continue ;; -mllvm) prev=mllvm continue ;; -module) module=yes continue ;; # Tru64 UNIX uses -model [arg] to determine the layout of C++ # classes, name mangling, and exception handling. # Darwin uses the -arch flag to determine output architecture. -model|-arch|-isysroot|--sysroot) func_append compiler_flags " $arg" func_append compile_command " $arg" func_append finalize_command " $arg" prev=xcompiler continue ;; # Solaris ld rejects as of 11.4. Refer to Oracle bug 22985199. -pthread) case $host in *solaris2*) ;; *) case "$new_inherited_linker_flags " in *" $arg "*) ;; * ) func_append new_inherited_linker_flags " $arg" ;; esac ;; esac continue ;; -mt|-mthreads|-kthread|-Kthread|-pthreads|--thread-safe \ |-threads|-fopenmp|-openmp|-mp|-xopenmp|-omp|-qsmp=*) func_append compiler_flags " $arg" func_append compile_command " $arg" func_append finalize_command " $arg" case "$new_inherited_linker_flags " in *" $arg "*) ;; * ) func_append new_inherited_linker_flags " $arg" ;; esac continue ;; -multi_module) single_module=$wl-multi_module continue ;; -no-fast-install) fast_install=no continue ;; -no-install) case $host in *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-*-darwin* | *-cegcc*) # The PATH hackery in wrapper scripts is required on Windows # and Darwin in order for the loader to find any dlls it needs. func_warning "'-no-install' is ignored for $host" func_warning "assuming '-no-fast-install' instead" fast_install=no ;; *) no_install=yes ;; esac continue ;; -no-undefined) allow_undefined=no continue ;; -objectlist) prev=objectlist continue ;; -os2dllname) prev=os2dllname continue ;; -o) prev=output ;; -precious-files-regex) prev=precious_regex continue ;; -release) prev=release continue ;; -rpath) prev=rpath continue ;; -R) prev=xrpath continue ;; -R*) func_stripname '-R' '' "$arg" dir=$func_stripname_result # We need an absolute path. case $dir in [\\/]* | [A-Za-z]:[\\/]*) ;; =*) func_stripname '=' '' "$dir" dir=$lt_sysroot$func_stripname_result ;; *) func_fatal_error "only absolute run-paths are allowed" ;; esac case "$xrpath " in *" $dir "*) ;; *) func_append xrpath " $dir" ;; esac continue ;; -shared) # The effects of -shared are defined in a previous loop. continue ;; -shrext) prev=shrext continue ;; -static | -static-libtool-libs) # The effects of -static are defined in a previous loop. # We used to do the same as -all-static on platforms that # didn't have a PIC flag, but the assumption that the effects # would be equivalent was wrong. It would break on at least # Digital Unix and AIX. continue ;; -thread-safe) thread_safe=yes continue ;; -version-info) prev=vinfo continue ;; -version-number) prev=vinfo vinfo_number=yes continue ;; -weak) prev=weak continue ;; -Wc,*) func_stripname '-Wc,' '' "$arg" args=$func_stripname_result arg= save_ifs=$IFS; IFS=, for flag in $args; do IFS=$save_ifs func_quote_arg pretty "$flag" func_append arg " $func_quote_arg_result" func_append compiler_flags " $func_quote_arg_result" done IFS=$save_ifs func_stripname ' ' '' "$arg" arg=$func_stripname_result ;; -Wl,*) func_stripname '-Wl,' '' "$arg" args=$func_stripname_result arg= save_ifs=$IFS; IFS=, for flag in $args; do IFS=$save_ifs func_quote_arg pretty "$flag" func_append arg " $wl$func_quote_arg_result" func_append compiler_flags " $wl$func_quote_arg_result" func_append linker_flags " $func_quote_arg_result" done IFS=$save_ifs func_stripname ' ' '' "$arg" arg=$func_stripname_result ;; -Xassembler) prev=xassembler continue ;; -Xcompiler) prev=xcompiler continue ;; -Xlinker) prev=xlinker continue ;; -XCClinker) prev=xcclinker continue ;; # -msg_* for osf cc -msg_*) func_quote_arg pretty "$arg" arg=$func_quote_arg_result ;; # Flags to be passed through unchanged, with rationale: # -64, -mips[0-9] enable 64-bit mode for the SGI compiler # -r[0-9][0-9]* specify processor for the SGI compiler # -xarch=*, -xtarget=* enable 64-bit mode for the Sun compiler # +DA*, +DD* enable 64-bit mode for the HP compiler # -q* compiler args for the IBM compiler # -m*, -t[45]*, -txscale* architecture-specific flags for GCC # -F/path path to uninstalled frameworks, gcc on darwin # -p, -pg, --coverage, -fprofile-* profiling flags for GCC # -fstack-protector* stack protector flags for GCC # @file GCC response files # -tp=* Portland pgcc target processor selection # --sysroot=* for sysroot support # -O*, -g*, -flto*, -fwhopr*, -fuse-linker-plugin GCC link-time optimization # -specs=* GCC specs files # -stdlib=* select c++ std lib with clang # -fsanitize=* Clang/GCC memory and address sanitizer # -fuse-ld=* Linker select flags for GCC # -static-* direct GCC to link specific libraries statically # -fcilkplus Cilk Plus language extension features for C/C++ # -Wa,* Pass flags directly to the assembler -64|-mips[0-9]|-r[0-9][0-9]*|-xarch=*|-xtarget=*|+DA*|+DD*|-q*|-m*| \ -t[45]*|-txscale*|-p|-pg|--coverage|-fprofile-*|-F*|@*|-tp=*|--sysroot=*| \ -O*|-g*|-flto*|-fwhopr*|-fuse-linker-plugin|-fstack-protector*|-stdlib=*| \ -specs=*|-fsanitize=*|-fuse-ld=*|-static-*|-fcilkplus|-Wa,*) func_quote_arg pretty "$arg" arg=$func_quote_arg_result func_append compile_command " $arg" func_append finalize_command " $arg" func_append compiler_flags " $arg" continue ;; -Z*) if test os2 = "`expr $host : '.*\(os2\)'`"; then # OS/2 uses -Zxxx to specify OS/2-specific options compiler_flags="$compiler_flags $arg" func_append compile_command " $arg" func_append finalize_command " $arg" case $arg in -Zlinker | -Zstack) prev=xcompiler ;; esac continue else # Otherwise treat like 'Some other compiler flag' below func_quote_arg pretty "$arg" arg=$func_quote_arg_result fi ;; # Some other compiler flag. -* | +*) func_quote_arg pretty "$arg" arg=$func_quote_arg_result ;; *.$objext) # A standard object. func_append objs " $arg" ;; *.lo) # A libtool-controlled object. # Check to see that this really is a libtool object. if func_lalib_unsafe_p "$arg"; then pic_object= non_pic_object= # Read the .lo file func_source "$arg" if test -z "$pic_object" || test -z "$non_pic_object" || test none = "$pic_object" && test none = "$non_pic_object"; then func_fatal_error "cannot find name of object for '$arg'" fi # Extract subdirectory from the argument. func_dirname "$arg" "/" "" xdir=$func_dirname_result test none = "$pic_object" || { # Prepend the subdirectory the object is found in. pic_object=$xdir$pic_object if test dlfiles = "$prev"; then if test yes = "$build_libtool_libs" && test yes = "$dlopen_support"; then func_append dlfiles " $pic_object" prev= continue else # If libtool objects are unsupported, then we need to preload. prev=dlprefiles fi fi # CHECK ME: I think I busted this. -Ossama if test dlprefiles = "$prev"; then # Preload the old-style object. func_append dlprefiles " $pic_object" prev= fi # A PIC object. func_append libobjs " $pic_object" arg=$pic_object } # Non-PIC object. if test none != "$non_pic_object"; then # Prepend the subdirectory the object is found in. non_pic_object=$xdir$non_pic_object # A standard non-PIC object func_append non_pic_objects " $non_pic_object" if test -z "$pic_object" || test none = "$pic_object"; then arg=$non_pic_object fi else # If the PIC object exists, use it instead. # $xdir was prepended to $pic_object above. non_pic_object=$pic_object func_append non_pic_objects " $non_pic_object" fi else # Only an error if not doing a dry-run. if $opt_dry_run; then # Extract subdirectory from the argument. func_dirname "$arg" "/" "" xdir=$func_dirname_result func_lo2o "$arg" pic_object=$xdir$objdir/$func_lo2o_result non_pic_object=$xdir$func_lo2o_result func_append libobjs " $pic_object" func_append non_pic_objects " $non_pic_object" else func_fatal_error "'$arg' is not a valid libtool object" fi fi ;; *.$libext) # An archive. func_append deplibs " $arg" func_append old_deplibs " $arg" continue ;; *.la) # A libtool-controlled library. func_resolve_sysroot "$arg" if test dlfiles = "$prev"; then # This library was specified with -dlopen. func_append dlfiles " $func_resolve_sysroot_result" prev= elif test dlprefiles = "$prev"; then # The library was specified with -dlpreopen. func_append dlprefiles " $func_resolve_sysroot_result" prev= else func_append deplibs " $func_resolve_sysroot_result" fi continue ;; # Some other compiler argument. *) # Unknown arguments in both finalize_command and compile_command need # to be aesthetically quoted because they are evaled later. func_quote_arg pretty "$arg" arg=$func_quote_arg_result ;; esac # arg # Now actually substitute the argument into the commands. if test -n "$arg"; then func_append compile_command " $arg" func_append finalize_command " $arg" fi done # argument parsing loop test -n "$prev" && \ func_fatal_help "the '$prevarg' option requires an argument" if test yes = "$export_dynamic" && test -n "$export_dynamic_flag_spec"; then eval arg=\"$export_dynamic_flag_spec\" func_append compile_command " $arg" func_append finalize_command " $arg" fi oldlibs= # calculate the name of the file, without its directory func_basename "$output" outputname=$func_basename_result libobjs_save=$libobjs if test -n "$shlibpath_var"; then # get the directories listed in $shlibpath_var eval shlib_search_path=\`\$ECHO \"\$$shlibpath_var\" \| \$SED \'s/:/ /g\'\` else shlib_search_path= fi eval sys_lib_search_path=\"$sys_lib_search_path_spec\" eval sys_lib_dlsearch_path=\"$sys_lib_dlsearch_path_spec\" # Definition is injected by LT_CONFIG during libtool generation. func_munge_path_list sys_lib_dlsearch_path "$LT_SYS_LIBRARY_PATH" func_dirname "$output" "/" "" output_objdir=$func_dirname_result$objdir func_to_tool_file "$output_objdir/" tool_output_objdir=$func_to_tool_file_result # Create the object directory. func_mkdir_p "$output_objdir" # Determine the type of output case $output in "") func_fatal_help "you must specify an output file" ;; *.$libext) linkmode=oldlib ;; *.lo | *.$objext) linkmode=obj ;; *.la) linkmode=lib ;; *) linkmode=prog ;; # Anything else should be a program. esac specialdeplibs= libs= # Find all interdependent deplibs by searching for libraries # that are linked more than once (e.g. -la -lb -la) for deplib in $deplibs; do if $opt_preserve_dup_deps; then case "$libs " in *" $deplib "*) func_append specialdeplibs " $deplib" ;; esac fi func_append libs " $deplib" done if test lib = "$linkmode"; then libs="$predeps $libs $compiler_lib_search_path $postdeps" # Compute libraries that are listed more than once in $predeps # $postdeps and mark them as special (i.e., whose duplicates are # not to be eliminated). pre_post_deps= if $opt_duplicate_compiler_generated_deps; then for pre_post_dep in $predeps $postdeps; do case "$pre_post_deps " in *" $pre_post_dep "*) func_append specialdeplibs " $pre_post_deps" ;; esac func_append pre_post_deps " $pre_post_dep" done fi pre_post_deps= fi deplibs= newdependency_libs= newlib_search_path= need_relink=no # whether we're linking any uninstalled libtool libraries notinst_deplibs= # not-installed libtool libraries notinst_path= # paths that contain not-installed libtool libraries case $linkmode in lib) passes="conv dlpreopen link" for file in $dlfiles $dlprefiles; do case $file in *.la) ;; *) func_fatal_help "libraries can '-dlopen' only libtool libraries: $file" ;; esac done ;; prog) compile_deplibs= finalize_deplibs= alldeplibs=false newdlfiles= newdlprefiles= passes="conv scan dlopen dlpreopen link" ;; *) passes="conv" ;; esac for pass in $passes; do # The preopen pass in lib mode reverses $deplibs; put it back here # so that -L comes before libs that need it for instance... if test lib,link = "$linkmode,$pass"; then ## FIXME: Find the place where the list is rebuilt in the wrong ## order, and fix it there properly tmp_deplibs= for deplib in $deplibs; do tmp_deplibs="$deplib $tmp_deplibs" done deplibs=$tmp_deplibs fi if test lib,link = "$linkmode,$pass" || test prog,scan = "$linkmode,$pass"; then libs=$deplibs deplibs= fi if test prog = "$linkmode"; then case $pass in dlopen) libs=$dlfiles ;; dlpreopen) libs=$dlprefiles ;; link) libs="$deplibs %DEPLIBS%" test "X$link_all_deplibs" != Xno && libs="$libs $dependency_libs" ;; esac fi if test lib,dlpreopen = "$linkmode,$pass"; then # Collect and forward deplibs of preopened libtool libs for lib in $dlprefiles; do # Ignore non-libtool-libs dependency_libs= func_resolve_sysroot "$lib" case $lib in *.la) func_source "$func_resolve_sysroot_result" ;; esac # Collect preopened libtool deplibs, except any this library # has declared as weak libs for deplib in $dependency_libs; do func_basename "$deplib" deplib_base=$func_basename_result case " $weak_libs " in *" $deplib_base "*) ;; *) func_append deplibs " $deplib" ;; esac done done libs=$dlprefiles fi if test dlopen = "$pass"; then # Collect dlpreopened libraries save_deplibs=$deplibs deplibs= fi for deplib in $libs; do lib= found=false case $deplib in -mt|-mthreads|-kthread|-Kthread|-pthread|-pthreads|--thread-safe \ |-threads|-fopenmp|-openmp|-mp|-xopenmp|-omp|-qsmp=*) if test prog,link = "$linkmode,$pass"; then compile_deplibs="$deplib $compile_deplibs" finalize_deplibs="$deplib $finalize_deplibs" else func_append compiler_flags " $deplib" if test lib = "$linkmode"; then case "$new_inherited_linker_flags " in *" $deplib "*) ;; * ) func_append new_inherited_linker_flags " $deplib" ;; esac fi fi continue ;; -l*) if test lib != "$linkmode" && test prog != "$linkmode"; then func_warning "'-l' is ignored for archives/objects" continue fi func_stripname '-l' '' "$deplib" name=$func_stripname_result if test lib = "$linkmode"; then searchdirs="$newlib_search_path $lib_search_path $compiler_lib_search_dirs $sys_lib_search_path $shlib_search_path" else searchdirs="$newlib_search_path $lib_search_path $sys_lib_search_path $shlib_search_path" fi for searchdir in $searchdirs; do for search_ext in .la $std_shrext .so .a; do # Search the libtool library lib=$searchdir/lib$name$search_ext if test -f "$lib"; then if test .la = "$search_ext"; then found=: else found=false fi break 2 fi done done if $found; then # deplib is a libtool library # If $allow_libtool_libs_with_static_runtimes && $deplib is a stdlib, # We need to do some special things here, and not later. if test yes = "$allow_libtool_libs_with_static_runtimes"; then case " $predeps $postdeps " in *" $deplib "*) if func_lalib_p "$lib"; then library_names= old_library= func_source "$lib" for l in $old_library $library_names; do ll=$l done if test "X$ll" = "X$old_library"; then # only static version available found=false func_dirname "$lib" "" "." ladir=$func_dirname_result lib=$ladir/$old_library if test prog,link = "$linkmode,$pass"; then compile_deplibs="$deplib $compile_deplibs" finalize_deplibs="$deplib $finalize_deplibs" else deplibs="$deplib $deplibs" test lib = "$linkmode" && newdependency_libs="$deplib $newdependency_libs" fi continue fi fi ;; *) ;; esac fi else # deplib doesn't seem to be a libtool library if test prog,link = "$linkmode,$pass"; then compile_deplibs="$deplib $compile_deplibs" finalize_deplibs="$deplib $finalize_deplibs" else deplibs="$deplib $deplibs" test lib = "$linkmode" && newdependency_libs="$deplib $newdependency_libs" fi continue fi ;; # -l *.ltframework) if test prog,link = "$linkmode,$pass"; then compile_deplibs="$deplib $compile_deplibs" finalize_deplibs="$deplib $finalize_deplibs" else deplibs="$deplib $deplibs" if test lib = "$linkmode"; then case "$new_inherited_linker_flags " in *" $deplib "*) ;; * ) func_append new_inherited_linker_flags " $deplib" ;; esac fi fi continue ;; -L*) case $linkmode in lib) deplibs="$deplib $deplibs" test conv = "$pass" && continue newdependency_libs="$deplib $newdependency_libs" func_stripname '-L' '' "$deplib" func_resolve_sysroot "$func_stripname_result" func_append newlib_search_path " $func_resolve_sysroot_result" ;; prog) if test conv = "$pass"; then deplibs="$deplib $deplibs" continue fi if test scan = "$pass"; then deplibs="$deplib $deplibs" else compile_deplibs="$deplib $compile_deplibs" finalize_deplibs="$deplib $finalize_deplibs" fi func_stripname '-L' '' "$deplib" func_resolve_sysroot "$func_stripname_result" func_append newlib_search_path " $func_resolve_sysroot_result" ;; *) func_warning "'-L' is ignored for archives/objects" ;; esac # linkmode continue ;; # -L -R*) if test link = "$pass"; then func_stripname '-R' '' "$deplib" func_resolve_sysroot "$func_stripname_result" dir=$func_resolve_sysroot_result # Make sure the xrpath contains only unique directories. case "$xrpath " in *" $dir "*) ;; *) func_append xrpath " $dir" ;; esac fi deplibs="$deplib $deplibs" continue ;; *.la) func_resolve_sysroot "$deplib" lib=$func_resolve_sysroot_result ;; *.$libext) if test conv = "$pass"; then deplibs="$deplib $deplibs" continue fi case $linkmode in lib) # Linking convenience modules into shared libraries is allowed, # but linking other static libraries is non-portable. case " $dlpreconveniencelibs " in *" $deplib "*) ;; *) valid_a_lib=false case $deplibs_check_method in match_pattern*) set dummy $deplibs_check_method; shift match_pattern_regex=`expr "$deplibs_check_method" : "$1 \(.*\)"` if eval "\$ECHO \"$deplib\"" 2>/dev/null | $SED 10q \ | $EGREP "$match_pattern_regex" > /dev/null; then valid_a_lib=: fi ;; pass_all) valid_a_lib=: ;; esac if $valid_a_lib; then echo $ECHO "*** Warning: Linking the shared library $output against the" $ECHO "*** static library $deplib is not portable!" deplibs="$deplib $deplibs" else echo $ECHO "*** Warning: Trying to link with static lib archive $deplib." echo "*** I have the capability to make that library automatically link in when" echo "*** you link to this library. But I can only do this if you have a" echo "*** shared version of the library, which you do not appear to have" echo "*** because the file extensions .$libext of this argument makes me believe" echo "*** that it is just a static archive that I should not use here." fi ;; esac continue ;; prog) if test link != "$pass"; then deplibs="$deplib $deplibs" else compile_deplibs="$deplib $compile_deplibs" finalize_deplibs="$deplib $finalize_deplibs" fi continue ;; esac # linkmode ;; # *.$libext *.lo | *.$objext) if test conv = "$pass"; then deplibs="$deplib $deplibs" elif test prog = "$linkmode"; then if test dlpreopen = "$pass" || test yes != "$dlopen_support" || test no = "$build_libtool_libs"; then # If there is no dlopen support or we're linking statically, # we need to preload. func_append newdlprefiles " $deplib" compile_deplibs="$deplib $compile_deplibs" finalize_deplibs="$deplib $finalize_deplibs" else func_append newdlfiles " $deplib" fi fi continue ;; %DEPLIBS%) alldeplibs=: continue ;; esac # case $deplib $found || test -f "$lib" \ || func_fatal_error "cannot find the library '$lib' or unhandled argument '$deplib'" # Check to see that this really is a libtool archive. func_lalib_unsafe_p "$lib" \ || func_fatal_error "'$lib' is not a valid libtool archive" func_dirname "$lib" "" "." ladir=$func_dirname_result dlname= dlopen= dlpreopen= libdir= library_names= old_library= inherited_linker_flags= # If the library was installed with an old release of libtool, # it will not redefine variables installed, or shouldnotlink installed=yes shouldnotlink=no avoidtemprpath= # Read the .la file func_source "$lib" # Convert "-framework foo" to "foo.ltframework" if test -n "$inherited_linker_flags"; then tmp_inherited_linker_flags=`$ECHO "$inherited_linker_flags" | $SED 's/-framework \([^ $]*\)/\1.ltframework/g'` for tmp_inherited_linker_flag in $tmp_inherited_linker_flags; do case " $new_inherited_linker_flags " in *" $tmp_inherited_linker_flag "*) ;; *) func_append new_inherited_linker_flags " $tmp_inherited_linker_flag";; esac done fi dependency_libs=`$ECHO " $dependency_libs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` if test lib,link = "$linkmode,$pass" || test prog,scan = "$linkmode,$pass" || { test prog != "$linkmode" && test lib != "$linkmode"; }; then test -n "$dlopen" && func_append dlfiles " $dlopen" test -n "$dlpreopen" && func_append dlprefiles " $dlpreopen" fi if test conv = "$pass"; then # Only check for convenience libraries deplibs="$lib $deplibs" if test -z "$libdir"; then if test -z "$old_library"; then func_fatal_error "cannot find name of link library for '$lib'" fi # It is a libtool convenience library, so add in its objects. func_append convenience " $ladir/$objdir/$old_library" func_append old_convenience " $ladir/$objdir/$old_library" tmp_libs= for deplib in $dependency_libs; do deplibs="$deplib $deplibs" if $opt_preserve_dup_deps; then case "$tmp_libs " in *" $deplib "*) func_append specialdeplibs " $deplib" ;; esac fi func_append tmp_libs " $deplib" done elif test prog != "$linkmode" && test lib != "$linkmode"; then func_fatal_error "'$lib' is not a convenience library" fi continue fi # $pass = conv # Get the name of the library we link against. linklib= if test -n "$old_library" && { test yes = "$prefer_static_libs" || test built,no = "$prefer_static_libs,$installed"; }; then linklib=$old_library else for l in $old_library $library_names; do linklib=$l done fi if test -z "$linklib"; then func_fatal_error "cannot find name of link library for '$lib'" fi # This library was specified with -dlopen. if test dlopen = "$pass"; then test -z "$libdir" \ && func_fatal_error "cannot -dlopen a convenience library: '$lib'" if test -z "$dlname" || test yes != "$dlopen_support" || test no = "$build_libtool_libs" then # If there is no dlname, no dlopen support or we're linking # statically, we need to preload. We also need to preload any # dependent libraries so libltdl's deplib preloader doesn't # bomb out in the load deplibs phase. func_append dlprefiles " $lib $dependency_libs" else func_append newdlfiles " $lib" fi continue fi # $pass = dlopen # We need an absolute path. case $ladir in [\\/]* | [A-Za-z]:[\\/]*) abs_ladir=$ladir ;; *) abs_ladir=`cd "$ladir" && pwd` if test -z "$abs_ladir"; then func_warning "cannot determine absolute directory name of '$ladir'" func_warning "passing it literally to the linker, although it might fail" abs_ladir=$ladir fi ;; esac func_basename "$lib" laname=$func_basename_result # Find the relevant object directory and library name. if test yes = "$installed"; then if test ! -f "$lt_sysroot$libdir/$linklib" && test -f "$abs_ladir/$linklib"; then func_warning "library '$lib' was moved." dir=$ladir absdir=$abs_ladir libdir=$abs_ladir else dir=$lt_sysroot$libdir absdir=$lt_sysroot$libdir fi test yes = "$hardcode_automatic" && avoidtemprpath=yes else if test ! -f "$ladir/$objdir/$linklib" && test -f "$abs_ladir/$linklib"; then dir=$ladir absdir=$abs_ladir # Remove this search path later func_append notinst_path " $abs_ladir" else dir=$ladir/$objdir absdir=$abs_ladir/$objdir # Remove this search path later func_append notinst_path " $abs_ladir" fi fi # $installed = yes func_stripname 'lib' '.la' "$laname" name=$func_stripname_result # This library was specified with -dlpreopen. if test dlpreopen = "$pass"; then if test -z "$libdir" && test prog = "$linkmode"; then func_fatal_error "only libraries may -dlpreopen a convenience library: '$lib'" fi case $host in # special handling for platforms with PE-DLLs. *cygwin* | *mingw* | *cegcc* ) # Linker will automatically link against shared library if both # static and shared are present. Therefore, ensure we extract # symbols from the import library if a shared library is present # (otherwise, the dlopen module name will be incorrect). We do # this by putting the import library name into $newdlprefiles. # We recover the dlopen module name by 'saving' the la file # name in a special purpose variable, and (later) extracting the # dlname from the la file. if test -n "$dlname"; then func_tr_sh "$dir/$linklib" eval "libfile_$func_tr_sh_result=\$abs_ladir/\$laname" func_append newdlprefiles " $dir/$linklib" else func_append newdlprefiles " $dir/$old_library" # Keep a list of preopened convenience libraries to check # that they are being used correctly in the link pass. test -z "$libdir" && \ func_append dlpreconveniencelibs " $dir/$old_library" fi ;; * ) # Prefer using a static library (so that no silly _DYNAMIC symbols # are required to link). if test -n "$old_library"; then func_append newdlprefiles " $dir/$old_library" # Keep a list of preopened convenience libraries to check # that they are being used correctly in the link pass. test -z "$libdir" && \ func_append dlpreconveniencelibs " $dir/$old_library" # Otherwise, use the dlname, so that lt_dlopen finds it. elif test -n "$dlname"; then func_append newdlprefiles " $dir/$dlname" else func_append newdlprefiles " $dir/$linklib" fi ;; esac fi # $pass = dlpreopen if test -z "$libdir"; then # Link the convenience library if test lib = "$linkmode"; then deplibs="$dir/$old_library $deplibs" elif test prog,link = "$linkmode,$pass"; then compile_deplibs="$dir/$old_library $compile_deplibs" finalize_deplibs="$dir/$old_library $finalize_deplibs" else deplibs="$lib $deplibs" # used for prog,scan pass fi continue fi if test prog = "$linkmode" && test link != "$pass"; then func_append newlib_search_path " $ladir" deplibs="$lib $deplibs" linkalldeplibs=false if test no != "$link_all_deplibs" || test -z "$library_names" || test no = "$build_libtool_libs"; then linkalldeplibs=: fi tmp_libs= for deplib in $dependency_libs; do case $deplib in -L*) func_stripname '-L' '' "$deplib" func_resolve_sysroot "$func_stripname_result" func_append newlib_search_path " $func_resolve_sysroot_result" ;; esac # Need to link against all dependency_libs? if $linkalldeplibs; then deplibs="$deplib $deplibs" else # Need to hardcode shared library paths # or/and link against static libraries newdependency_libs="$deplib $newdependency_libs" fi if $opt_preserve_dup_deps; then case "$tmp_libs " in *" $deplib "*) func_append specialdeplibs " $deplib" ;; esac fi func_append tmp_libs " $deplib" done # for deplib continue fi # $linkmode = prog... if test prog,link = "$linkmode,$pass"; then if test -n "$library_names" && { { test no = "$prefer_static_libs" || test built,yes = "$prefer_static_libs,$installed"; } || test -z "$old_library"; }; then # We need to hardcode the library path if test -n "$shlibpath_var" && test -z "$avoidtemprpath"; then # Make sure the rpath contains only unique directories. case $temp_rpath: in *"$absdir:"*) ;; *) func_append temp_rpath "$absdir:" ;; esac fi # Hardcode the library path. # Skip directories that are in the system default run-time # search path. case " $sys_lib_dlsearch_path " in *" $absdir "*) ;; *) case "$compile_rpath " in *" $absdir "*) ;; *) func_append compile_rpath " $absdir" ;; esac ;; esac case " $sys_lib_dlsearch_path " in *" $libdir "*) ;; *) case "$finalize_rpath " in *" $libdir "*) ;; *) func_append finalize_rpath " $libdir" ;; esac ;; esac fi # $linkmode,$pass = prog,link... if $alldeplibs && { test pass_all = "$deplibs_check_method" || { test yes = "$build_libtool_libs" && test -n "$library_names"; }; }; then # We only need to search for static libraries continue fi fi link_static=no # Whether the deplib will be linked statically use_static_libs=$prefer_static_libs if test built = "$use_static_libs" && test yes = "$installed"; then use_static_libs=no fi if test -n "$library_names" && { test no = "$use_static_libs" || test -z "$old_library"; }; then case $host in *cygwin* | *mingw* | *cegcc* | *os2*) # No point in relinking DLLs because paths are not encoded func_append notinst_deplibs " $lib" need_relink=no ;; *) if test no = "$installed"; then func_append notinst_deplibs " $lib" need_relink=yes fi ;; esac # This is a shared library # Warn about portability, can't link against -module's on some # systems (darwin). Don't bleat about dlopened modules though! dlopenmodule= for dlpremoduletest in $dlprefiles; do if test "X$dlpremoduletest" = "X$lib"; then dlopenmodule=$dlpremoduletest break fi done if test -z "$dlopenmodule" && test yes = "$shouldnotlink" && test link = "$pass"; then echo if test prog = "$linkmode"; then $ECHO "*** Warning: Linking the executable $output against the loadable module" else $ECHO "*** Warning: Linking the shared library $output against the loadable module" fi $ECHO "*** $linklib is not portable!" fi if test lib = "$linkmode" && test yes = "$hardcode_into_libs"; then # Hardcode the library path. # Skip directories that are in the system default run-time # search path. case " $sys_lib_dlsearch_path " in *" $absdir "*) ;; *) case "$compile_rpath " in *" $absdir "*) ;; *) func_append compile_rpath " $absdir" ;; esac ;; esac case " $sys_lib_dlsearch_path " in *" $libdir "*) ;; *) case "$finalize_rpath " in *" $libdir "*) ;; *) func_append finalize_rpath " $libdir" ;; esac ;; esac fi if test -n "$old_archive_from_expsyms_cmds"; then # figure out the soname set dummy $library_names shift realname=$1 shift libname=`eval "\\$ECHO \"$libname_spec\""` # use dlname if we got it. it's perfectly good, no? if test -n "$dlname"; then soname=$dlname elif test -n "$soname_spec"; then # bleh windows case $host in *cygwin* | mingw* | *cegcc* | *os2*) func_arith $current - $age major=$func_arith_result versuffix=-$major ;; esac eval soname=\"$soname_spec\" else soname=$realname fi # Make a new name for the extract_expsyms_cmds to use soroot=$soname func_basename "$soroot" soname=$func_basename_result func_stripname 'lib' '.dll' "$soname" newlib=libimp-$func_stripname_result.a # If the library has no export list, then create one now if test -f "$output_objdir/$soname-def"; then : else func_verbose "extracting exported symbol list from '$soname'" func_execute_cmds "$extract_expsyms_cmds" 'exit $?' fi # Create $newlib if test -f "$output_objdir/$newlib"; then :; else func_verbose "generating import library for '$soname'" func_execute_cmds "$old_archive_from_expsyms_cmds" 'exit $?' fi # make sure the library variables are pointing to the new library dir=$output_objdir linklib=$newlib fi # test -n "$old_archive_from_expsyms_cmds" if test prog = "$linkmode" || test relink != "$opt_mode"; then add_shlibpath= add_dir= add= lib_linked=yes case $hardcode_action in immediate | unsupported) if test no = "$hardcode_direct"; then add=$dir/$linklib case $host in *-*-sco3.2v5.0.[024]*) add_dir=-L$dir ;; *-*-sysv4*uw2*) add_dir=-L$dir ;; *-*-sysv5OpenUNIX* | *-*-sysv5UnixWare7.[01].[10]* | \ *-*-unixware7*) add_dir=-L$dir ;; *-*-darwin* ) # if the lib is a (non-dlopened) module then we cannot # link against it, someone is ignoring the earlier warnings if /usr/bin/file -L $add 2> /dev/null | $GREP ": [^:]* bundle" >/dev/null; then if test "X$dlopenmodule" != "X$lib"; then $ECHO "*** Warning: lib $linklib is a module, not a shared library" if test -z "$old_library"; then echo echo "*** And there doesn't seem to be a static archive available" echo "*** The link will probably fail, sorry" else add=$dir/$old_library fi elif test -n "$old_library"; then add=$dir/$old_library fi fi esac elif test no = "$hardcode_minus_L"; then case $host in *-*-sunos*) add_shlibpath=$dir ;; esac add_dir=-L$dir add=-l$name elif test no = "$hardcode_shlibpath_var"; then add_shlibpath=$dir add=-l$name else lib_linked=no fi ;; relink) if test yes = "$hardcode_direct" && test no = "$hardcode_direct_absolute"; then add=$dir/$linklib elif test yes = "$hardcode_minus_L"; then add_dir=-L$absdir # Try looking first in the location we're being installed to. if test -n "$inst_prefix_dir"; then case $libdir in [\\/]*) func_append add_dir " -L$inst_prefix_dir$libdir" ;; esac fi add=-l$name elif test yes = "$hardcode_shlibpath_var"; then add_shlibpath=$dir add=-l$name else lib_linked=no fi ;; *) lib_linked=no ;; esac if test yes != "$lib_linked"; then func_fatal_configuration "unsupported hardcode properties" fi if test -n "$add_shlibpath"; then case :$compile_shlibpath: in *":$add_shlibpath:"*) ;; *) func_append compile_shlibpath "$add_shlibpath:" ;; esac fi if test prog = "$linkmode"; then test -n "$add_dir" && compile_deplibs="$add_dir $compile_deplibs" test -n "$add" && compile_deplibs="$add $compile_deplibs" else test -n "$add_dir" && deplibs="$add_dir $deplibs" test -n "$add" && deplibs="$add $deplibs" if test yes != "$hardcode_direct" && test yes != "$hardcode_minus_L" && test yes = "$hardcode_shlibpath_var"; then case :$finalize_shlibpath: in *":$libdir:"*) ;; *) func_append finalize_shlibpath "$libdir:" ;; esac fi fi fi if test prog = "$linkmode" || test relink = "$opt_mode"; then add_shlibpath= add_dir= add= # Finalize command for both is simple: just hardcode it. if test yes = "$hardcode_direct" && test no = "$hardcode_direct_absolute"; then add=$libdir/$linklib elif test yes = "$hardcode_minus_L"; then add_dir=-L$libdir add=-l$name elif test yes = "$hardcode_shlibpath_var"; then case :$finalize_shlibpath: in *":$libdir:"*) ;; *) func_append finalize_shlibpath "$libdir:" ;; esac add=-l$name elif test yes = "$hardcode_automatic"; then if test -n "$inst_prefix_dir" && test -f "$inst_prefix_dir$libdir/$linklib"; then add=$inst_prefix_dir$libdir/$linklib else add=$libdir/$linklib fi else # We cannot seem to hardcode it, guess we'll fake it. add_dir=-L$libdir # Try looking first in the location we're being installed to. if test -n "$inst_prefix_dir"; then case $libdir in [\\/]*) func_append add_dir " -L$inst_prefix_dir$libdir" ;; esac fi add=-l$name fi if test prog = "$linkmode"; then test -n "$add_dir" && finalize_deplibs="$add_dir $finalize_deplibs" test -n "$add" && finalize_deplibs="$add $finalize_deplibs" else test -n "$add_dir" && deplibs="$add_dir $deplibs" test -n "$add" && deplibs="$add $deplibs" fi fi elif test prog = "$linkmode"; then # Here we assume that one of hardcode_direct or hardcode_minus_L # is not unsupported. This is valid on all known static and # shared platforms. if test unsupported != "$hardcode_direct"; then test -n "$old_library" && linklib=$old_library compile_deplibs="$dir/$linklib $compile_deplibs" finalize_deplibs="$dir/$linklib $finalize_deplibs" else compile_deplibs="-l$name -L$dir $compile_deplibs" finalize_deplibs="-l$name -L$dir $finalize_deplibs" fi elif test yes = "$build_libtool_libs"; then # Not a shared library if test pass_all != "$deplibs_check_method"; then # We're trying link a shared library against a static one # but the system doesn't support it. # Just print a warning and add the library to dependency_libs so # that the program can be linked against the static library. echo $ECHO "*** Warning: This system cannot link to static lib archive $lib." echo "*** I have the capability to make that library automatically link in when" echo "*** you link to this library. But I can only do this if you have a" echo "*** shared version of the library, which you do not appear to have." if test yes = "$module"; then echo "*** But as you try to build a module library, libtool will still create " echo "*** a static module, that should work as long as the dlopening application" echo "*** is linked with the -dlopen flag to resolve symbols at runtime." if test -z "$global_symbol_pipe"; then echo echo "*** However, this would only work if libtool was able to extract symbol" echo "*** lists from a program, using 'nm' or equivalent, but libtool could" echo "*** not find such a program. So, this module is probably useless." echo "*** 'nm' from GNU binutils and a full rebuild may help." fi if test no = "$build_old_libs"; then build_libtool_libs=module build_old_libs=yes else build_libtool_libs=no fi fi else deplibs="$dir/$old_library $deplibs" link_static=yes fi fi # link shared/static library? if test lib = "$linkmode"; then if test -n "$dependency_libs" && { test yes != "$hardcode_into_libs" || test yes = "$build_old_libs" || test yes = "$link_static"; }; then # Extract -R from dependency_libs temp_deplibs= for libdir in $dependency_libs; do case $libdir in -R*) func_stripname '-R' '' "$libdir" temp_xrpath=$func_stripname_result case " $xrpath " in *" $temp_xrpath "*) ;; *) func_append xrpath " $temp_xrpath";; esac;; *) func_append temp_deplibs " $libdir";; esac done dependency_libs=$temp_deplibs fi func_append newlib_search_path " $absdir" # Link against this library test no = "$link_static" && newdependency_libs="$abs_ladir/$laname $newdependency_libs" # ... and its dependency_libs tmp_libs= for deplib in $dependency_libs; do newdependency_libs="$deplib $newdependency_libs" case $deplib in -L*) func_stripname '-L' '' "$deplib" func_resolve_sysroot "$func_stripname_result";; *) func_resolve_sysroot "$deplib" ;; esac if $opt_preserve_dup_deps; then case "$tmp_libs " in *" $func_resolve_sysroot_result "*) func_append specialdeplibs " $func_resolve_sysroot_result" ;; esac fi func_append tmp_libs " $func_resolve_sysroot_result" done if test no != "$link_all_deplibs"; then # Add the search paths of all dependency libraries for deplib in $dependency_libs; do path= case $deplib in -L*) path=$deplib ;; *.la) func_resolve_sysroot "$deplib" deplib=$func_resolve_sysroot_result func_dirname "$deplib" "" "." dir=$func_dirname_result # We need an absolute path. case $dir in [\\/]* | [A-Za-z]:[\\/]*) absdir=$dir ;; *) absdir=`cd "$dir" && pwd` if test -z "$absdir"; then func_warning "cannot determine absolute directory name of '$dir'" absdir=$dir fi ;; esac if $GREP "^installed=no" $deplib > /dev/null; then case $host in *-*-darwin*) depdepl= eval deplibrary_names=`$SED -n -e 's/^library_names=\(.*\)$/\1/p' $deplib` if test -n "$deplibrary_names"; then for tmp in $deplibrary_names; do depdepl=$tmp done if test -f "$absdir/$objdir/$depdepl"; then depdepl=$absdir/$objdir/$depdepl darwin_install_name=`$OTOOL -L $depdepl | awk '{if (NR == 2) {print $1;exit}}'` if test -z "$darwin_install_name"; then darwin_install_name=`$OTOOL64 -L $depdepl | awk '{if (NR == 2) {print $1;exit}}'` fi func_append compiler_flags " $wl-dylib_file $wl$darwin_install_name:$depdepl" func_append linker_flags " -dylib_file $darwin_install_name:$depdepl" path= fi fi ;; *) path=-L$absdir/$objdir ;; esac else eval libdir=`$SED -n -e 's/^libdir=\(.*\)$/\1/p' $deplib` test -z "$libdir" && \ func_fatal_error "'$deplib' is not a valid libtool archive" test "$absdir" != "$libdir" && \ func_warning "'$deplib' seems to be moved" path=-L$absdir fi ;; esac case " $deplibs " in *" $path "*) ;; *) deplibs="$path $deplibs" ;; esac done fi # link_all_deplibs != no fi # linkmode = lib done # for deplib in $libs if test link = "$pass"; then if test prog = "$linkmode"; then compile_deplibs="$new_inherited_linker_flags $compile_deplibs" finalize_deplibs="$new_inherited_linker_flags $finalize_deplibs" else compiler_flags="$compiler_flags "`$ECHO " $new_inherited_linker_flags" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` fi fi dependency_libs=$newdependency_libs if test dlpreopen = "$pass"; then # Link the dlpreopened libraries before other libraries for deplib in $save_deplibs; do deplibs="$deplib $deplibs" done fi if test dlopen != "$pass"; then test conv = "$pass" || { # Make sure lib_search_path contains only unique directories. lib_search_path= for dir in $newlib_search_path; do case "$lib_search_path " in *" $dir "*) ;; *) func_append lib_search_path " $dir" ;; esac done newlib_search_path= } if test prog,link = "$linkmode,$pass"; then vars="compile_deplibs finalize_deplibs" else vars=deplibs fi for var in $vars dependency_libs; do # Add libraries to $var in reverse order eval tmp_libs=\"\$$var\" new_libs= for deplib in $tmp_libs; do # FIXME: Pedantically, this is the right thing to do, so # that some nasty dependency loop isn't accidentally # broken: #new_libs="$deplib $new_libs" # Pragmatically, this seems to cause very few problems in # practice: case $deplib in -L*) new_libs="$deplib $new_libs" ;; -R*) ;; *) # And here is the reason: when a library appears more # than once as an explicit dependence of a library, or # is implicitly linked in more than once by the # compiler, it is considered special, and multiple # occurrences thereof are not removed. Compare this # with having the same library being listed as a # dependency of multiple other libraries: in this case, # we know (pedantically, we assume) the library does not # need to be listed more than once, so we keep only the # last copy. This is not always right, but it is rare # enough that we require users that really mean to play # such unportable linking tricks to link the library # using -Wl,-lname, so that libtool does not consider it # for duplicate removal. case " $specialdeplibs " in *" $deplib "*) new_libs="$deplib $new_libs" ;; *) case " $new_libs " in *" $deplib "*) ;; *) new_libs="$deplib $new_libs" ;; esac ;; esac ;; esac done tmp_libs= for deplib in $new_libs; do case $deplib in -L*) case " $tmp_libs " in *" $deplib "*) ;; *) func_append tmp_libs " $deplib" ;; esac ;; *) func_append tmp_libs " $deplib" ;; esac done eval $var=\"$tmp_libs\" done # for var fi # Add Sun CC postdeps if required: test CXX = "$tagname" && { case $host_os in linux*) case `$CC -V 2>&1 | $SED 5q` in *Sun\ C*) # Sun C++ 5.9 func_suncc_cstd_abi if test no != "$suncc_use_cstd_abi"; then func_append postdeps ' -library=Cstd -library=Crun' fi ;; esac ;; solaris*) func_cc_basename "$CC" case $func_cc_basename_result in CC* | sunCC*) func_suncc_cstd_abi if test no != "$suncc_use_cstd_abi"; then func_append postdeps ' -library=Cstd -library=Crun' fi ;; esac ;; esac } # Last step: remove runtime libs from dependency_libs # (they stay in deplibs) tmp_libs= for i in $dependency_libs; do case " $predeps $postdeps $compiler_lib_search_path " in *" $i "*) i= ;; esac if test -n "$i"; then func_append tmp_libs " $i" fi done dependency_libs=$tmp_libs done # for pass if test prog = "$linkmode"; then dlfiles=$newdlfiles fi if test prog = "$linkmode" || test lib = "$linkmode"; then dlprefiles=$newdlprefiles fi case $linkmode in oldlib) if test -n "$dlfiles$dlprefiles" || test no != "$dlself"; then func_warning "'-dlopen' is ignored for archives" fi case " $deplibs" in *\ -l* | *\ -L*) func_warning "'-l' and '-L' are ignored for archives" ;; esac test -n "$rpath" && \ func_warning "'-rpath' is ignored for archives" test -n "$xrpath" && \ func_warning "'-R' is ignored for archives" test -n "$vinfo" && \ func_warning "'-version-info/-version-number' is ignored for archives" test -n "$release" && \ func_warning "'-release' is ignored for archives" test -n "$export_symbols$export_symbols_regex" && \ func_warning "'-export-symbols' is ignored for archives" # Now set the variables for building old libraries. build_libtool_libs=no oldlibs=$output func_append objs "$old_deplibs" ;; lib) # Make sure we only generate libraries of the form 'libNAME.la'. case $outputname in lib*) func_stripname 'lib' '.la' "$outputname" name=$func_stripname_result eval shared_ext=\"$shrext_cmds\" eval libname=\"$libname_spec\" ;; *) test no = "$module" \ && func_fatal_help "libtool library '$output' must begin with 'lib'" if test no != "$need_lib_prefix"; then # Add the "lib" prefix for modules if required func_stripname '' '.la' "$outputname" name=$func_stripname_result eval shared_ext=\"$shrext_cmds\" eval libname=\"$libname_spec\" else func_stripname '' '.la' "$outputname" libname=$func_stripname_result fi ;; esac if test -n "$objs"; then if test pass_all != "$deplibs_check_method"; then func_fatal_error "cannot build libtool library '$output' from non-libtool objects on this host:$objs" else echo $ECHO "*** Warning: Linking the shared library $output against the non-libtool" $ECHO "*** objects $objs is not portable!" func_append libobjs " $objs" fi fi test no = "$dlself" \ || func_warning "'-dlopen self' is ignored for libtool libraries" set dummy $rpath shift test 1 -lt "$#" \ && func_warning "ignoring multiple '-rpath's for a libtool library" install_libdir=$1 oldlibs= if test -z "$rpath"; then if test yes = "$build_libtool_libs"; then # Building a libtool convenience library. # Some compilers have problems with a '.al' extension so # convenience libraries should have the same extension an # archive normally would. oldlibs="$output_objdir/$libname.$libext $oldlibs" build_libtool_libs=convenience build_old_libs=yes fi test -n "$vinfo" && \ func_warning "'-version-info/-version-number' is ignored for convenience libraries" test -n "$release" && \ func_warning "'-release' is ignored for convenience libraries" else # Parse the version information argument. save_ifs=$IFS; IFS=: set dummy $vinfo 0 0 0 shift IFS=$save_ifs test -n "$7" && \ func_fatal_help "too many parameters to '-version-info'" # convert absolute version numbers to libtool ages # this retains compatibility with .la files and attempts # to make the code below a bit more comprehensible case $vinfo_number in yes) number_major=$1 number_minor=$2 number_revision=$3 # # There are really only two kinds -- those that # use the current revision as the major version # and those that subtract age and use age as # a minor version. But, then there is irix # that has an extra 1 added just for fun # case $version_type in # correct linux to gnu/linux during the next big refactor darwin|freebsd-elf|linux|midnightbsd-elf|osf|windows|none) func_arith $number_major + $number_minor current=$func_arith_result age=$number_minor revision=$number_revision ;; freebsd-aout|qnx|sunos) current=$number_major revision=$number_minor age=0 ;; irix|nonstopux) func_arith $number_major + $number_minor current=$func_arith_result age=$number_minor revision=$number_minor lt_irix_increment=no ;; *) func_fatal_configuration "$modename: unknown library version type '$version_type'" ;; esac ;; no) current=$1 revision=$2 age=$3 ;; esac # Check that each of the things are valid numbers. case $current in 0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;; *) func_error "CURRENT '$current' must be a nonnegative integer" func_fatal_error "'$vinfo' is not valid version information" ;; esac case $revision in 0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;; *) func_error "REVISION '$revision' must be a nonnegative integer" func_fatal_error "'$vinfo' is not valid version information" ;; esac case $age in 0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;; *) func_error "AGE '$age' must be a nonnegative integer" func_fatal_error "'$vinfo' is not valid version information" ;; esac if test "$age" -gt "$current"; then func_error "AGE '$age' is greater than the current interface number '$current'" func_fatal_error "'$vinfo' is not valid version information" fi # Calculate the version variables. major= versuffix= verstring= case $version_type in none) ;; darwin) # Like Linux, but with the current version available in # verstring for coding it into the library header func_arith $current - $age major=.$func_arith_result versuffix=$major.$age.$revision # Darwin ld doesn't like 0 for these options... func_arith $current + 1 minor_current=$func_arith_result xlcverstring="$wl-compatibility_version $wl$minor_current $wl-current_version $wl$minor_current.$revision" verstring="-compatibility_version $minor_current -current_version $minor_current.$revision" # On Darwin other compilers case $CC in nagfor*) verstring="$wl-compatibility_version $wl$minor_current $wl-current_version $wl$minor_current.$revision" ;; *) verstring="-compatibility_version $minor_current -current_version $minor_current.$revision" ;; esac ;; freebsd-aout) major=.$current versuffix=.$current.$revision ;; freebsd-elf | midnightbsd-elf) func_arith $current - $age major=.$func_arith_result versuffix=$major.$age.$revision ;; irix | nonstopux) if test no = "$lt_irix_increment"; then func_arith $current - $age else func_arith $current - $age + 1 fi major=$func_arith_result case $version_type in nonstopux) verstring_prefix=nonstopux ;; *) verstring_prefix=sgi ;; esac verstring=$verstring_prefix$major.$revision # Add in all the interfaces that we are compatible with. loop=$revision while test 0 -ne "$loop"; do func_arith $revision - $loop iface=$func_arith_result func_arith $loop - 1 loop=$func_arith_result verstring=$verstring_prefix$major.$iface:$verstring done # Before this point, $major must not contain '.'. major=.$major versuffix=$major.$revision ;; linux) # correct to gnu/linux during the next big refactor func_arith $current - $age major=.$func_arith_result versuffix=$major.$age.$revision ;; osf) func_arith $current - $age major=.$func_arith_result versuffix=.$current.$age.$revision verstring=$current.$age.$revision # Add in all the interfaces that we are compatible with. loop=$age while test 0 -ne "$loop"; do func_arith $current - $loop iface=$func_arith_result func_arith $loop - 1 loop=$func_arith_result verstring=$verstring:$iface.0 done # Make executables depend on our current version. func_append verstring ":$current.0" ;; qnx) major=.$current versuffix=.$current ;; sco) major=.$current versuffix=.$current ;; sunos) major=.$current versuffix=.$current.$revision ;; windows) # Use '-' rather than '.', since we only want one # extension on DOS 8.3 file systems. func_arith $current - $age major=$func_arith_result versuffix=-$major ;; *) func_fatal_configuration "unknown library version type '$version_type'" ;; esac # Clear the version info if we defaulted, and they specified a release. if test -z "$vinfo" && test -n "$release"; then major= case $version_type in darwin) # we can't check for "0.0" in archive_cmds due to quoting # problems, so we reset it completely verstring= ;; *) verstring=0.0 ;; esac if test no = "$need_version"; then versuffix= else versuffix=.0.0 fi fi # Remove version info from name if versioning should be avoided if test yes,no = "$avoid_version,$need_version"; then major= versuffix= verstring= fi # Check to see if the archive will have undefined symbols. if test yes = "$allow_undefined"; then if test unsupported = "$allow_undefined_flag"; then if test yes = "$build_old_libs"; then func_warning "undefined symbols not allowed in $host shared libraries; building static only" build_libtool_libs=no else func_fatal_error "can't build $host shared library unless -no-undefined is specified" fi fi else # Don't allow undefined symbols. allow_undefined_flag=$no_undefined_flag fi fi func_generate_dlsyms "$libname" "$libname" : func_append libobjs " $symfileobj" test " " = "$libobjs" && libobjs= if test relink != "$opt_mode"; then # Remove our outputs, but don't remove object files since they # may have been created when compiling PIC objects. removelist= tempremovelist=`$ECHO "$output_objdir/*"` for p in $tempremovelist; do case $p in *.$objext | *.gcno) ;; $output_objdir/$outputname | $output_objdir/$libname.* | $output_objdir/$libname$release.*) if test -n "$precious_files_regex"; then if $ECHO "$p" | $EGREP -e "$precious_files_regex" >/dev/null 2>&1 then continue fi fi func_append removelist " $p" ;; *) ;; esac done test -n "$removelist" && \ func_show_eval "${RM}r \$removelist" fi # Now set the variables for building old libraries. if test yes = "$build_old_libs" && test convenience != "$build_libtool_libs"; then func_append oldlibs " $output_objdir/$libname.$libext" # Transform .lo files to .o files. oldobjs="$objs "`$ECHO "$libobjs" | $SP2NL | $SED "/\.$libext$/d; $lo2o" | $NL2SP` fi # Eliminate all temporary directories. #for path in $notinst_path; do # lib_search_path=`$ECHO "$lib_search_path " | $SED "s% $path % %g"` # deplibs=`$ECHO "$deplibs " | $SED "s% -L$path % %g"` # dependency_libs=`$ECHO "$dependency_libs " | $SED "s% -L$path % %g"` #done if test -n "$xrpath"; then # If the user specified any rpath flags, then add them. temp_xrpath= for libdir in $xrpath; do func_replace_sysroot "$libdir" func_append temp_xrpath " -R$func_replace_sysroot_result" case "$finalize_rpath " in *" $libdir "*) ;; *) func_append finalize_rpath " $libdir" ;; esac done if test yes != "$hardcode_into_libs" || test yes = "$build_old_libs"; then dependency_libs="$temp_xrpath $dependency_libs" fi fi # Make sure dlfiles contains only unique files that won't be dlpreopened old_dlfiles=$dlfiles dlfiles= for lib in $old_dlfiles; do case " $dlprefiles $dlfiles " in *" $lib "*) ;; *) func_append dlfiles " $lib" ;; esac done # Make sure dlprefiles contains only unique files old_dlprefiles=$dlprefiles dlprefiles= for lib in $old_dlprefiles; do case "$dlprefiles " in *" $lib "*) ;; *) func_append dlprefiles " $lib" ;; esac done if test yes = "$build_libtool_libs"; then if test -n "$rpath"; then case $host in *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-*-beos* | *-cegcc* | *-*-haiku*) # these systems don't actually have a c library (as such)! ;; *-*-rhapsody* | *-*-darwin1.[012]) # Rhapsody C library is in the System framework func_append deplibs " System.ltframework" ;; *-*-netbsd*) # Don't link with libc until the a.out ld.so is fixed. ;; *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* | *-*-midnightbsd*) # Do not include libc due to us having libc/libc_r. ;; *-*-sco3.2v5* | *-*-sco5v6*) # Causes problems with __ctype ;; *-*-sysv4.2uw2* | *-*-sysv5* | *-*-unixware* | *-*-OpenUNIX*) # Compiler inserts libc in the correct place for threads to work ;; *) # Add libc to deplibs on all other systems if necessary. if test yes = "$build_libtool_need_lc"; then func_append deplibs " -lc" fi ;; esac fi # Transform deplibs into only deplibs that can be linked in shared. name_save=$name libname_save=$libname release_save=$release versuffix_save=$versuffix major_save=$major # I'm not sure if I'm treating the release correctly. I think # release should show up in the -l (ie -lgmp5) so we don't want to # add it in twice. Is that correct? release= versuffix= major= newdeplibs= droppeddeps=no case $deplibs_check_method in pass_all) # Don't check for shared/static. Everything works. # This might be a little naive. We might want to check # whether the library exists or not. But this is on # osf3 & osf4 and I'm not really sure... Just # implementing what was already the behavior. newdeplibs=$deplibs ;; test_compile) # This code stresses the "libraries are programs" paradigm to its # limits. Maybe even breaks it. We compile a program, linking it # against the deplibs as a proxy for the library. Then we can check # whether they linked in statically or dynamically with ldd. $opt_dry_run || $RM conftest.c cat > conftest.c </dev/null` $nocaseglob else potential_libs=`ls $i/$libnameglob[.-]* 2>/dev/null` fi for potent_lib in $potential_libs; do # Follow soft links. if ls -lLd "$potent_lib" 2>/dev/null | $GREP " -> " >/dev/null; then continue fi # The statement above tries to avoid entering an # endless loop below, in case of cyclic links. # We might still enter an endless loop, since a link # loop can be closed while we follow links, # but so what? potlib=$potent_lib while test -h "$potlib" 2>/dev/null; do potliblink=`ls -ld $potlib | $SED 's/.* -> //'` case $potliblink in [\\/]* | [A-Za-z]:[\\/]*) potlib=$potliblink;; *) potlib=`$ECHO "$potlib" | $SED 's|[^/]*$||'`"$potliblink";; esac done if eval $file_magic_cmd \"\$potlib\" 2>/dev/null | $SED -e 10q | $EGREP "$file_magic_regex" > /dev/null; then func_append newdeplibs " $a_deplib" a_deplib= break 2 fi done done fi if test -n "$a_deplib"; then droppeddeps=yes echo $ECHO "*** Warning: linker path does not have real file for library $a_deplib." echo "*** I have the capability to make that library automatically link in when" echo "*** you link to this library. But I can only do this if you have a" echo "*** shared version of the library, which you do not appear to have" echo "*** because I did check the linker path looking for a file starting" if test -z "$potlib"; then $ECHO "*** with $libname but no candidates were found. (...for file magic test)" else $ECHO "*** with $libname and none of the candidates passed a file format test" $ECHO "*** using a file magic. Last file checked: $potlib" fi fi ;; *) # Add a -L argument. func_append newdeplibs " $a_deplib" ;; esac done # Gone through all deplibs. ;; match_pattern*) set dummy $deplibs_check_method; shift match_pattern_regex=`expr "$deplibs_check_method" : "$1 \(.*\)"` for a_deplib in $deplibs; do case $a_deplib in -l*) func_stripname -l '' "$a_deplib" name=$func_stripname_result if test yes = "$allow_libtool_libs_with_static_runtimes"; then case " $predeps $postdeps " in *" $a_deplib "*) func_append newdeplibs " $a_deplib" a_deplib= ;; esac fi if test -n "$a_deplib"; then libname=`eval "\\$ECHO \"$libname_spec\""` for i in $lib_search_path $sys_lib_search_path $shlib_search_path; do potential_libs=`ls $i/$libname[.-]* 2>/dev/null` for potent_lib in $potential_libs; do potlib=$potent_lib # see symlink-check above in file_magic test if eval "\$ECHO \"$potent_lib\"" 2>/dev/null | $SED 10q | \ $EGREP "$match_pattern_regex" > /dev/null; then func_append newdeplibs " $a_deplib" a_deplib= break 2 fi done done fi if test -n "$a_deplib"; then droppeddeps=yes echo $ECHO "*** Warning: linker path does not have real file for library $a_deplib." echo "*** I have the capability to make that library automatically link in when" echo "*** you link to this library. But I can only do this if you have a" echo "*** shared version of the library, which you do not appear to have" echo "*** because I did check the linker path looking for a file starting" if test -z "$potlib"; then $ECHO "*** with $libname but no candidates were found. (...for regex pattern test)" else $ECHO "*** with $libname and none of the candidates passed a file format test" $ECHO "*** using a regex pattern. Last file checked: $potlib" fi fi ;; *) # Add a -L argument. func_append newdeplibs " $a_deplib" ;; esac done # Gone through all deplibs. ;; none | unknown | *) newdeplibs= tmp_deplibs=`$ECHO " $deplibs" | $SED 's/ -lc$//; s/ -[LR][^ ]*//g'` if test yes = "$allow_libtool_libs_with_static_runtimes"; then for i in $predeps $postdeps; do # can't use Xsed below, because $i might contain '/' tmp_deplibs=`$ECHO " $tmp_deplibs" | $SED "s|$i||"` done fi case $tmp_deplibs in *[!\ \ ]*) echo if test none = "$deplibs_check_method"; then echo "*** Warning: inter-library dependencies are not supported in this platform." else echo "*** Warning: inter-library dependencies are not known to be supported." fi echo "*** All declared inter-library dependencies are being dropped." droppeddeps=yes ;; esac ;; esac versuffix=$versuffix_save major=$major_save release=$release_save libname=$libname_save name=$name_save case $host in *-*-rhapsody* | *-*-darwin1.[012]) # On Rhapsody replace the C library with the System framework newdeplibs=`$ECHO " $newdeplibs" | $SED 's/ -lc / System.ltframework /'` ;; esac if test yes = "$droppeddeps"; then if test yes = "$module"; then echo echo "*** Warning: libtool could not satisfy all declared inter-library" $ECHO "*** dependencies of module $libname. Therefore, libtool will create" echo "*** a static module, that should work as long as the dlopening" echo "*** application is linked with the -dlopen flag." if test -z "$global_symbol_pipe"; then echo echo "*** However, this would only work if libtool was able to extract symbol" echo "*** lists from a program, using 'nm' or equivalent, but libtool could" echo "*** not find such a program. So, this module is probably useless." echo "*** 'nm' from GNU binutils and a full rebuild may help." fi if test no = "$build_old_libs"; then oldlibs=$output_objdir/$libname.$libext build_libtool_libs=module build_old_libs=yes else build_libtool_libs=no fi else echo "*** The inter-library dependencies that have been dropped here will be" echo "*** automatically added whenever a program is linked with this library" echo "*** or is declared to -dlopen it." if test no = "$allow_undefined"; then echo echo "*** Since this library must not contain undefined symbols," echo "*** because either the platform does not support them or" echo "*** it was explicitly requested with -no-undefined," echo "*** libtool will only create a static version of it." if test no = "$build_old_libs"; then oldlibs=$output_objdir/$libname.$libext build_libtool_libs=module build_old_libs=yes else build_libtool_libs=no fi fi fi fi # Done checking deplibs! deplibs=$newdeplibs fi # Time to change all our "foo.ltframework" stuff back to "-framework foo" case $host in *-*-darwin*) newdeplibs=`$ECHO " $newdeplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` new_inherited_linker_flags=`$ECHO " $new_inherited_linker_flags" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` deplibs=`$ECHO " $deplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` ;; esac # move library search paths that coincide with paths to not yet # installed libraries to the beginning of the library search list new_libs= for path in $notinst_path; do case " $new_libs " in *" -L$path/$objdir "*) ;; *) case " $deplibs " in *" -L$path/$objdir "*) func_append new_libs " -L$path/$objdir" ;; esac ;; esac done for deplib in $deplibs; do case $deplib in -L*) case " $new_libs " in *" $deplib "*) ;; *) func_append new_libs " $deplib" ;; esac ;; *) func_append new_libs " $deplib" ;; esac done deplibs=$new_libs # All the library-specific variables (install_libdir is set above). library_names= old_library= dlname= # Test again, we may have decided not to build it any more if test yes = "$build_libtool_libs"; then # Remove $wl instances when linking with ld. # FIXME: should test the right _cmds variable. case $archive_cmds in *\$LD\ *) wl= ;; esac if test yes = "$hardcode_into_libs"; then # Hardcode the library paths hardcode_libdirs= dep_rpath= rpath=$finalize_rpath test relink = "$opt_mode" || rpath=$compile_rpath$rpath for libdir in $rpath; do if test -n "$hardcode_libdir_flag_spec"; then if test -n "$hardcode_libdir_separator"; then func_replace_sysroot "$libdir" libdir=$func_replace_sysroot_result if test -z "$hardcode_libdirs"; then hardcode_libdirs=$libdir else # Just accumulate the unique libdirs. case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*) ;; *) func_append hardcode_libdirs "$hardcode_libdir_separator$libdir" ;; esac fi else eval flag=\"$hardcode_libdir_flag_spec\" func_append dep_rpath " $flag" fi elif test -n "$runpath_var"; then case "$perm_rpath " in *" $libdir "*) ;; *) func_append perm_rpath " $libdir" ;; esac fi done # Substitute the hardcoded libdirs into the rpath. if test -n "$hardcode_libdir_separator" && test -n "$hardcode_libdirs"; then libdir=$hardcode_libdirs eval "dep_rpath=\"$hardcode_libdir_flag_spec\"" fi if test -n "$runpath_var" && test -n "$perm_rpath"; then # We should set the runpath_var. rpath= for dir in $perm_rpath; do func_append rpath "$dir:" done eval "$runpath_var='$rpath\$$runpath_var'; export $runpath_var" fi test -n "$dep_rpath" && deplibs="$dep_rpath $deplibs" fi shlibpath=$finalize_shlibpath test relink = "$opt_mode" || shlibpath=$compile_shlibpath$shlibpath if test -n "$shlibpath"; then eval "$shlibpath_var='$shlibpath\$$shlibpath_var'; export $shlibpath_var" fi # Get the real and link names of the library. eval shared_ext=\"$shrext_cmds\" eval library_names=\"$library_names_spec\" set dummy $library_names shift realname=$1 shift if test -n "$soname_spec"; then eval soname=\"$soname_spec\" else soname=$realname fi if test -z "$dlname"; then dlname=$soname fi lib=$output_objdir/$realname linknames= for link do func_append linknames " $link" done # Use standard objects if they are pic test -z "$pic_flag" && libobjs=`$ECHO "$libobjs" | $SP2NL | $SED "$lo2o" | $NL2SP` test "X$libobjs" = "X " && libobjs= delfiles= if test -n "$export_symbols" && test -n "$include_expsyms"; then $opt_dry_run || cp "$export_symbols" "$output_objdir/$libname.uexp" export_symbols=$output_objdir/$libname.uexp func_append delfiles " $export_symbols" fi orig_export_symbols= case $host_os in cygwin* | mingw* | cegcc*) if test -n "$export_symbols" && test -z "$export_symbols_regex"; then # exporting using user supplied symfile func_dll_def_p "$export_symbols" || { # and it's NOT already a .def file. Must figure out # which of the given symbols are data symbols and tag # them as such. So, trigger use of export_symbols_cmds. # export_symbols gets reassigned inside the "prepare # the list of exported symbols" if statement, so the # include_expsyms logic still works. orig_export_symbols=$export_symbols export_symbols= always_export_symbols=yes } fi ;; esac # Prepare the list of exported symbols if test -z "$export_symbols"; then if test yes = "$always_export_symbols" || test -n "$export_symbols_regex"; then func_verbose "generating symbol list for '$libname.la'" export_symbols=$output_objdir/$libname.exp $opt_dry_run || $RM $export_symbols cmds=$export_symbols_cmds save_ifs=$IFS; IFS='~' for cmd1 in $cmds; do IFS=$save_ifs # Take the normal branch if the nm_file_list_spec branch # doesn't work or if tool conversion is not needed. case $nm_file_list_spec~$to_tool_file_cmd in *~func_convert_file_noop | *~func_convert_file_msys_to_w32 | ~*) try_normal_branch=yes eval cmd=\"$cmd1\" func_len " $cmd" len=$func_len_result ;; *) try_normal_branch=no ;; esac if test yes = "$try_normal_branch" \ && { test "$len" -lt "$max_cmd_len" \ || test "$max_cmd_len" -le -1; } then func_show_eval "$cmd" 'exit $?' skipped_export=false elif test -n "$nm_file_list_spec"; then func_basename "$output" output_la=$func_basename_result save_libobjs=$libobjs save_output=$output output=$output_objdir/$output_la.nm func_to_tool_file "$output" libobjs=$nm_file_list_spec$func_to_tool_file_result func_append delfiles " $output" func_verbose "creating $NM input file list: $output" for obj in $save_libobjs; do func_to_tool_file "$obj" $ECHO "$func_to_tool_file_result" done > "$output" eval cmd=\"$cmd1\" func_show_eval "$cmd" 'exit $?' output=$save_output libobjs=$save_libobjs skipped_export=false else # The command line is too long to execute in one step. func_verbose "using reloadable object file for export list..." skipped_export=: # Break out early, otherwise skipped_export may be # set to false by a later but shorter cmd. break fi done IFS=$save_ifs if test -n "$export_symbols_regex" && test : != "$skipped_export"; then func_show_eval '$EGREP -e "$export_symbols_regex" "$export_symbols" > "${export_symbols}T"' func_show_eval '$MV "${export_symbols}T" "$export_symbols"' fi fi fi if test -n "$export_symbols" && test -n "$include_expsyms"; then tmp_export_symbols=$export_symbols test -n "$orig_export_symbols" && tmp_export_symbols=$orig_export_symbols $opt_dry_run || eval '$ECHO "$include_expsyms" | $SP2NL >> "$tmp_export_symbols"' fi if test : != "$skipped_export" && test -n "$orig_export_symbols"; then # The given exports_symbols file has to be filtered, so filter it. func_verbose "filter symbol list for '$libname.la' to tag DATA exports" # FIXME: $output_objdir/$libname.filter potentially contains lots of # 's' commands, which not all seds can handle. GNU sed should be fine # though. Also, the filter scales superlinearly with the number of # global variables. join(1) would be nice here, but unfortunately # isn't a blessed tool. $opt_dry_run || $SED -e '/[ ,]DATA/!d;s,\(.*\)\([ \,].*\),s|^\1$|\1\2|,' < $export_symbols > $output_objdir/$libname.filter func_append delfiles " $export_symbols $output_objdir/$libname.filter" export_symbols=$output_objdir/$libname.def $opt_dry_run || $SED -f $output_objdir/$libname.filter < $orig_export_symbols > $export_symbols fi tmp_deplibs= for test_deplib in $deplibs; do case " $convenience " in *" $test_deplib "*) ;; *) func_append tmp_deplibs " $test_deplib" ;; esac done deplibs=$tmp_deplibs if test -n "$convenience"; then if test -n "$whole_archive_flag_spec" && test yes = "$compiler_needs_object" && test -z "$libobjs"; then # extract the archives, so we have objects to list. # TODO: could optimize this to just extract one archive. whole_archive_flag_spec= fi if test -n "$whole_archive_flag_spec"; then save_libobjs=$libobjs eval libobjs=\"\$libobjs $whole_archive_flag_spec\" test "X$libobjs" = "X " && libobjs= else gentop=$output_objdir/${outputname}x func_append generated " $gentop" func_extract_archives $gentop $convenience func_append libobjs " $func_extract_archives_result" test "X$libobjs" = "X " && libobjs= fi fi if test yes = "$thread_safe" && test -n "$thread_safe_flag_spec"; then eval flag=\"$thread_safe_flag_spec\" func_append linker_flags " $flag" fi # Make a backup of the uninstalled library when relinking if test relink = "$opt_mode"; then $opt_dry_run || eval '(cd $output_objdir && $RM ${realname}U && $MV $realname ${realname}U)' || exit $? fi # Do each of the archive commands. if test yes = "$module" && test -n "$module_cmds"; then if test -n "$export_symbols" && test -n "$module_expsym_cmds"; then eval test_cmds=\"$module_expsym_cmds\" cmds=$module_expsym_cmds else eval test_cmds=\"$module_cmds\" cmds=$module_cmds fi else if test -n "$export_symbols" && test -n "$archive_expsym_cmds"; then eval test_cmds=\"$archive_expsym_cmds\" cmds=$archive_expsym_cmds else eval test_cmds=\"$archive_cmds\" cmds=$archive_cmds fi fi if test : != "$skipped_export" && func_len " $test_cmds" && len=$func_len_result && test "$len" -lt "$max_cmd_len" || test "$max_cmd_len" -le -1; then : else # The command line is too long to link in one step, link piecewise # or, if using GNU ld and skipped_export is not :, use a linker # script. # Save the value of $output and $libobjs because we want to # use them later. If we have whole_archive_flag_spec, we # want to use save_libobjs as it was before # whole_archive_flag_spec was expanded, because we can't # assume the linker understands whole_archive_flag_spec. # This may have to be revisited, in case too many # convenience libraries get linked in and end up exceeding # the spec. if test -z "$convenience" || test -z "$whole_archive_flag_spec"; then save_libobjs=$libobjs fi save_output=$output func_basename "$output" output_la=$func_basename_result # Clear the reloadable object creation command queue and # initialize k to one. test_cmds= concat_cmds= objlist= last_robj= k=1 if test -n "$save_libobjs" && test : != "$skipped_export" && test yes = "$with_gnu_ld"; then output=$output_objdir/$output_la.lnkscript func_verbose "creating GNU ld script: $output" echo 'INPUT (' > $output for obj in $save_libobjs do func_to_tool_file "$obj" $ECHO "$func_to_tool_file_result" >> $output done echo ')' >> $output func_append delfiles " $output" func_to_tool_file "$output" output=$func_to_tool_file_result elif test -n "$save_libobjs" && test : != "$skipped_export" && test -n "$file_list_spec"; then output=$output_objdir/$output_la.lnk func_verbose "creating linker input file list: $output" : > $output set x $save_libobjs shift firstobj= if test yes = "$compiler_needs_object"; then firstobj="$1 " shift fi for obj do func_to_tool_file "$obj" $ECHO "$func_to_tool_file_result" >> $output done func_append delfiles " $output" func_to_tool_file "$output" output=$firstobj\"$file_list_spec$func_to_tool_file_result\" else if test -n "$save_libobjs"; then func_verbose "creating reloadable object files..." output=$output_objdir/$output_la-$k.$objext eval test_cmds=\"$reload_cmds\" func_len " $test_cmds" len0=$func_len_result len=$len0 # Loop over the list of objects to be linked. for obj in $save_libobjs do func_len " $obj" func_arith $len + $func_len_result len=$func_arith_result if test -z "$objlist" || test "$len" -lt "$max_cmd_len"; then func_append objlist " $obj" else # The command $test_cmds is almost too long, add a # command to the queue. if test 1 -eq "$k"; then # The first file doesn't have a previous command to add. reload_objs=$objlist eval concat_cmds=\"$reload_cmds\" else # All subsequent reloadable object files will link in # the last one created. reload_objs="$objlist $last_robj" eval concat_cmds=\"\$concat_cmds~$reload_cmds~\$RM $last_robj\" fi last_robj=$output_objdir/$output_la-$k.$objext func_arith $k + 1 k=$func_arith_result output=$output_objdir/$output_la-$k.$objext objlist=" $obj" func_len " $last_robj" func_arith $len0 + $func_len_result len=$func_arith_result fi done # Handle the remaining objects by creating one last # reloadable object file. All subsequent reloadable object # files will link in the last one created. test -z "$concat_cmds" || concat_cmds=$concat_cmds~ reload_objs="$objlist $last_robj" eval concat_cmds=\"\$concat_cmds$reload_cmds\" if test -n "$last_robj"; then eval concat_cmds=\"\$concat_cmds~\$RM $last_robj\" fi func_append delfiles " $output" else output= fi ${skipped_export-false} && { func_verbose "generating symbol list for '$libname.la'" export_symbols=$output_objdir/$libname.exp $opt_dry_run || $RM $export_symbols libobjs=$output # Append the command to create the export file. test -z "$concat_cmds" || concat_cmds=$concat_cmds~ eval concat_cmds=\"\$concat_cmds$export_symbols_cmds\" if test -n "$last_robj"; then eval concat_cmds=\"\$concat_cmds~\$RM $last_robj\" fi } test -n "$save_libobjs" && func_verbose "creating a temporary reloadable object file: $output" # Loop through the commands generated above and execute them. save_ifs=$IFS; IFS='~' for cmd in $concat_cmds; do IFS=$save_ifs $opt_quiet || { func_quote_arg expand,pretty "$cmd" eval "func_echo $func_quote_arg_result" } $opt_dry_run || eval "$cmd" || { lt_exit=$? # Restore the uninstalled library and exit if test relink = "$opt_mode"; then ( cd "$output_objdir" && \ $RM "${realname}T" && \ $MV "${realname}U" "$realname" ) fi exit $lt_exit } done IFS=$save_ifs if test -n "$export_symbols_regex" && ${skipped_export-false}; then func_show_eval '$EGREP -e "$export_symbols_regex" "$export_symbols" > "${export_symbols}T"' func_show_eval '$MV "${export_symbols}T" "$export_symbols"' fi fi ${skipped_export-false} && { if test -n "$export_symbols" && test -n "$include_expsyms"; then tmp_export_symbols=$export_symbols test -n "$orig_export_symbols" && tmp_export_symbols=$orig_export_symbols $opt_dry_run || eval '$ECHO "$include_expsyms" | $SP2NL >> "$tmp_export_symbols"' fi if test -n "$orig_export_symbols"; then # The given exports_symbols file has to be filtered, so filter it. func_verbose "filter symbol list for '$libname.la' to tag DATA exports" # FIXME: $output_objdir/$libname.filter potentially contains lots of # 's' commands, which not all seds can handle. GNU sed should be fine # though. Also, the filter scales superlinearly with the number of # global variables. join(1) would be nice here, but unfortunately # isn't a blessed tool. $opt_dry_run || $SED -e '/[ ,]DATA/!d;s,\(.*\)\([ \,].*\),s|^\1$|\1\2|,' < $export_symbols > $output_objdir/$libname.filter func_append delfiles " $export_symbols $output_objdir/$libname.filter" export_symbols=$output_objdir/$libname.def $opt_dry_run || $SED -f $output_objdir/$libname.filter < $orig_export_symbols > $export_symbols fi } libobjs=$output # Restore the value of output. output=$save_output if test -n "$convenience" && test -n "$whole_archive_flag_spec"; then eval libobjs=\"\$libobjs $whole_archive_flag_spec\" test "X$libobjs" = "X " && libobjs= fi # Expand the library linking commands again to reset the # value of $libobjs for piecewise linking. # Do each of the archive commands. if test yes = "$module" && test -n "$module_cmds"; then if test -n "$export_symbols" && test -n "$module_expsym_cmds"; then cmds=$module_expsym_cmds else cmds=$module_cmds fi else if test -n "$export_symbols" && test -n "$archive_expsym_cmds"; then cmds=$archive_expsym_cmds else cmds=$archive_cmds fi fi fi if test -n "$delfiles"; then # Append the command to remove temporary files to $cmds. eval cmds=\"\$cmds~\$RM $delfiles\" fi # Add any objects from preloaded convenience libraries if test -n "$dlprefiles"; then gentop=$output_objdir/${outputname}x func_append generated " $gentop" func_extract_archives $gentop $dlprefiles func_append libobjs " $func_extract_archives_result" test "X$libobjs" = "X " && libobjs= fi save_ifs=$IFS; IFS='~' for cmd in $cmds; do IFS=$sp$nl eval cmd=\"$cmd\" IFS=$save_ifs $opt_quiet || { func_quote_arg expand,pretty "$cmd" eval "func_echo $func_quote_arg_result" } $opt_dry_run || eval "$cmd" || { lt_exit=$? # Restore the uninstalled library and exit if test relink = "$opt_mode"; then ( cd "$output_objdir" && \ $RM "${realname}T" && \ $MV "${realname}U" "$realname" ) fi exit $lt_exit } done IFS=$save_ifs # Restore the uninstalled library and exit if test relink = "$opt_mode"; then $opt_dry_run || eval '(cd $output_objdir && $RM ${realname}T && $MV $realname ${realname}T && $MV ${realname}U $realname)' || exit $? if test -n "$convenience"; then if test -z "$whole_archive_flag_spec"; then func_show_eval '${RM}r "$gentop"' fi fi exit $EXIT_SUCCESS fi # Create links to the real library. for linkname in $linknames; do if test "$realname" != "$linkname"; then func_show_eval '(cd "$output_objdir" && $RM "$linkname" && $LN_S "$realname" "$linkname")' 'exit $?' fi done # If -module or -export-dynamic was specified, set the dlname. if test yes = "$module" || test yes = "$export_dynamic"; then # On all known operating systems, these are identical. dlname=$soname fi fi ;; obj) if test -n "$dlfiles$dlprefiles" || test no != "$dlself"; then func_warning "'-dlopen' is ignored for objects" fi case " $deplibs" in *\ -l* | *\ -L*) func_warning "'-l' and '-L' are ignored for objects" ;; esac test -n "$rpath" && \ func_warning "'-rpath' is ignored for objects" test -n "$xrpath" && \ func_warning "'-R' is ignored for objects" test -n "$vinfo" && \ func_warning "'-version-info' is ignored for objects" test -n "$release" && \ func_warning "'-release' is ignored for objects" case $output in *.lo) test -n "$objs$old_deplibs" && \ func_fatal_error "cannot build library object '$output' from non-libtool objects" libobj=$output func_lo2o "$libobj" obj=$func_lo2o_result ;; *) libobj= obj=$output ;; esac # Delete the old objects. $opt_dry_run || $RM $obj $libobj # Objects from convenience libraries. This assumes # single-version convenience libraries. Whenever we create # different ones for PIC/non-PIC, this we'll have to duplicate # the extraction. reload_conv_objs= gentop= # if reload_cmds runs $LD directly, get rid of -Wl from # whole_archive_flag_spec and hope we can get by with turning comma # into space. case $reload_cmds in *\$LD[\ \$]*) wl= ;; esac if test -n "$convenience"; then if test -n "$whole_archive_flag_spec"; then eval tmp_whole_archive_flags=\"$whole_archive_flag_spec\" test -n "$wl" || tmp_whole_archive_flags=`$ECHO "$tmp_whole_archive_flags" | $SED 's|,| |g'` reload_conv_objs=$reload_objs\ $tmp_whole_archive_flags else gentop=$output_objdir/${obj}x func_append generated " $gentop" func_extract_archives $gentop $convenience reload_conv_objs="$reload_objs $func_extract_archives_result" fi fi # If we're not building shared, we need to use non_pic_objs test yes = "$build_libtool_libs" || libobjs=$non_pic_objects # Create the old-style object. reload_objs=$objs$old_deplibs' '`$ECHO "$libobjs" | $SP2NL | $SED "/\.$libext$/d; /\.lib$/d; $lo2o" | $NL2SP`' '$reload_conv_objs output=$obj func_execute_cmds "$reload_cmds" 'exit $?' # Exit if we aren't doing a library object file. if test -z "$libobj"; then if test -n "$gentop"; then func_show_eval '${RM}r "$gentop"' fi exit $EXIT_SUCCESS fi test yes = "$build_libtool_libs" || { if test -n "$gentop"; then func_show_eval '${RM}r "$gentop"' fi # Create an invalid libtool object if no PIC, so that we don't # accidentally link it into a program. # $show "echo timestamp > $libobj" # $opt_dry_run || eval "echo timestamp > $libobj" || exit $? exit $EXIT_SUCCESS } if test -n "$pic_flag" || test default != "$pic_mode"; then # Only do commands if we really have different PIC objects. reload_objs="$libobjs $reload_conv_objs" output=$libobj func_execute_cmds "$reload_cmds" 'exit $?' fi if test -n "$gentop"; then func_show_eval '${RM}r "$gentop"' fi exit $EXIT_SUCCESS ;; prog) case $host in *cygwin*) func_stripname '' '.exe' "$output" output=$func_stripname_result.exe;; esac test -n "$vinfo" && \ func_warning "'-version-info' is ignored for programs" test -n "$release" && \ func_warning "'-release' is ignored for programs" $preload \ && test unknown,unknown,unknown = "$dlopen_support,$dlopen_self,$dlopen_self_static" \ && func_warning "'LT_INIT([dlopen])' not used. Assuming no dlopen support." case $host in *-*-rhapsody* | *-*-darwin1.[012]) # On Rhapsody replace the C library is the System framework compile_deplibs=`$ECHO " $compile_deplibs" | $SED 's/ -lc / System.ltframework /'` finalize_deplibs=`$ECHO " $finalize_deplibs" | $SED 's/ -lc / System.ltframework /'` ;; esac case $host in *-*-darwin*) # Don't allow lazy linking, it breaks C++ global constructors # But is supposedly fixed on 10.4 or later (yay!). if test CXX = "$tagname"; then case ${MACOSX_DEPLOYMENT_TARGET-10.0} in 10.[0123]) func_append compile_command " $wl-bind_at_load" func_append finalize_command " $wl-bind_at_load" ;; esac fi # Time to change all our "foo.ltframework" stuff back to "-framework foo" compile_deplibs=`$ECHO " $compile_deplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` finalize_deplibs=`$ECHO " $finalize_deplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` ;; esac # move library search paths that coincide with paths to not yet # installed libraries to the beginning of the library search list new_libs= for path in $notinst_path; do case " $new_libs " in *" -L$path/$objdir "*) ;; *) case " $compile_deplibs " in *" -L$path/$objdir "*) func_append new_libs " -L$path/$objdir" ;; esac ;; esac done for deplib in $compile_deplibs; do case $deplib in -L*) case " $new_libs " in *" $deplib "*) ;; *) func_append new_libs " $deplib" ;; esac ;; *) func_append new_libs " $deplib" ;; esac done compile_deplibs=$new_libs func_append compile_command " $compile_deplibs" func_append finalize_command " $finalize_deplibs" if test -n "$rpath$xrpath"; then # If the user specified any rpath flags, then add them. for libdir in $rpath $xrpath; do # This is the magic to use -rpath. case "$finalize_rpath " in *" $libdir "*) ;; *) func_append finalize_rpath " $libdir" ;; esac done fi # Now hardcode the library paths rpath= hardcode_libdirs= for libdir in $compile_rpath $finalize_rpath; do if test -n "$hardcode_libdir_flag_spec"; then if test -n "$hardcode_libdir_separator"; then if test -z "$hardcode_libdirs"; then hardcode_libdirs=$libdir else # Just accumulate the unique libdirs. case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*) ;; *) func_append hardcode_libdirs "$hardcode_libdir_separator$libdir" ;; esac fi else eval flag=\"$hardcode_libdir_flag_spec\" func_append rpath " $flag" fi elif test -n "$runpath_var"; then case "$perm_rpath " in *" $libdir "*) ;; *) func_append perm_rpath " $libdir" ;; esac fi case $host in *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*) testbindir=`$ECHO "$libdir" | $SED -e 's*/lib$*/bin*'` case :$dllsearchpath: in *":$libdir:"*) ;; ::) dllsearchpath=$libdir;; *) func_append dllsearchpath ":$libdir";; esac case :$dllsearchpath: in *":$testbindir:"*) ;; ::) dllsearchpath=$testbindir;; *) func_append dllsearchpath ":$testbindir";; esac ;; esac done # Substitute the hardcoded libdirs into the rpath. if test -n "$hardcode_libdir_separator" && test -n "$hardcode_libdirs"; then libdir=$hardcode_libdirs eval rpath=\" $hardcode_libdir_flag_spec\" fi compile_rpath=$rpath rpath= hardcode_libdirs= for libdir in $finalize_rpath; do if test -n "$hardcode_libdir_flag_spec"; then if test -n "$hardcode_libdir_separator"; then if test -z "$hardcode_libdirs"; then hardcode_libdirs=$libdir else # Just accumulate the unique libdirs. case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*) ;; *) func_append hardcode_libdirs "$hardcode_libdir_separator$libdir" ;; esac fi else eval flag=\"$hardcode_libdir_flag_spec\" func_append rpath " $flag" fi elif test -n "$runpath_var"; then case "$finalize_perm_rpath " in *" $libdir "*) ;; *) func_append finalize_perm_rpath " $libdir" ;; esac fi done # Substitute the hardcoded libdirs into the rpath. if test -n "$hardcode_libdir_separator" && test -n "$hardcode_libdirs"; then libdir=$hardcode_libdirs eval rpath=\" $hardcode_libdir_flag_spec\" fi finalize_rpath=$rpath if test -n "$libobjs" && test yes = "$build_old_libs"; then # Transform all the library objects into standard objects. compile_command=`$ECHO "$compile_command" | $SP2NL | $SED "$lo2o" | $NL2SP` finalize_command=`$ECHO "$finalize_command" | $SP2NL | $SED "$lo2o" | $NL2SP` fi func_generate_dlsyms "$outputname" "@PROGRAM@" false # template prelinking step if test -n "$prelink_cmds"; then func_execute_cmds "$prelink_cmds" 'exit $?' fi wrappers_required=: case $host in *cegcc* | *mingw32ce*) # Disable wrappers for cegcc and mingw32ce hosts, we are cross compiling anyway. wrappers_required=false ;; *cygwin* | *mingw* ) test yes = "$build_libtool_libs" || wrappers_required=false ;; *) if test no = "$need_relink" || test yes != "$build_libtool_libs"; then wrappers_required=false fi ;; esac $wrappers_required || { # Replace the output file specification. compile_command=`$ECHO "$compile_command" | $SED 's%@OUTPUT@%'"$output"'%g'` link_command=$compile_command$compile_rpath # We have no uninstalled library dependencies, so finalize right now. exit_status=0 func_show_eval "$link_command" 'exit_status=$?' if test -n "$postlink_cmds"; then func_to_tool_file "$output" postlink_cmds=`func_echo_all "$postlink_cmds" | $SED -e 's%@OUTPUT@%'"$output"'%g' -e 's%@TOOL_OUTPUT@%'"$func_to_tool_file_result"'%g'` func_execute_cmds "$postlink_cmds" 'exit $?' fi # Delete the generated files. if test -f "$output_objdir/${outputname}S.$objext"; then func_show_eval '$RM "$output_objdir/${outputname}S.$objext"' fi exit $exit_status } if test -n "$compile_shlibpath$finalize_shlibpath"; then compile_command="$shlibpath_var=\"$compile_shlibpath$finalize_shlibpath\$$shlibpath_var\" $compile_command" fi if test -n "$finalize_shlibpath"; then finalize_command="$shlibpath_var=\"$finalize_shlibpath\$$shlibpath_var\" $finalize_command" fi compile_var= finalize_var= if test -n "$runpath_var"; then if test -n "$perm_rpath"; then # We should set the runpath_var. rpath= for dir in $perm_rpath; do func_append rpath "$dir:" done compile_var="$runpath_var=\"$rpath\$$runpath_var\" " fi if test -n "$finalize_perm_rpath"; then # We should set the runpath_var. rpath= for dir in $finalize_perm_rpath; do func_append rpath "$dir:" done finalize_var="$runpath_var=\"$rpath\$$runpath_var\" " fi fi if test yes = "$no_install"; then # We don't need to create a wrapper script. link_command=$compile_var$compile_command$compile_rpath # Replace the output file specification. link_command=`$ECHO "$link_command" | $SED 's%@OUTPUT@%'"$output"'%g'` # Delete the old output file. $opt_dry_run || $RM $output # Link the executable and exit func_show_eval "$link_command" 'exit $?' if test -n "$postlink_cmds"; then func_to_tool_file "$output" postlink_cmds=`func_echo_all "$postlink_cmds" | $SED -e 's%@OUTPUT@%'"$output"'%g' -e 's%@TOOL_OUTPUT@%'"$func_to_tool_file_result"'%g'` func_execute_cmds "$postlink_cmds" 'exit $?' fi exit $EXIT_SUCCESS fi case $hardcode_action,$fast_install in relink,*) # Fast installation is not supported link_command=$compile_var$compile_command$compile_rpath relink_command=$finalize_var$finalize_command$finalize_rpath func_warning "this platform does not like uninstalled shared libraries" func_warning "'$output' will be relinked during installation" ;; *,yes) link_command=$finalize_var$compile_command$finalize_rpath relink_command=`$ECHO "$compile_var$compile_command$compile_rpath" | $SED 's%@OUTPUT@%\$progdir/\$file%g'` ;; *,no) link_command=$compile_var$compile_command$compile_rpath relink_command=$finalize_var$finalize_command$finalize_rpath ;; *,needless) link_command=$finalize_var$compile_command$finalize_rpath relink_command= ;; esac # Replace the output file specification. link_command=`$ECHO "$link_command" | $SED 's%@OUTPUT@%'"$output_objdir/$outputname"'%g'` # Delete the old output files. $opt_dry_run || $RM $output $output_objdir/$outputname $output_objdir/lt-$outputname func_show_eval "$link_command" 'exit $?' if test -n "$postlink_cmds"; then func_to_tool_file "$output_objdir/$outputname" postlink_cmds=`func_echo_all "$postlink_cmds" | $SED -e 's%@OUTPUT@%'"$output_objdir/$outputname"'%g' -e 's%@TOOL_OUTPUT@%'"$func_to_tool_file_result"'%g'` func_execute_cmds "$postlink_cmds" 'exit $?' fi # Now create the wrapper script. func_verbose "creating $output" # Quote the relink command for shipping. if test -n "$relink_command"; then # Preserve any variables that may affect compiler behavior for var in $variables_saved_for_relink; do if eval test -z \"\${$var+set}\"; then relink_command="{ test -z \"\${$var+set}\" || $lt_unset $var || { $var=; export $var; }; }; $relink_command" elif eval var_value=\$$var; test -z "$var_value"; then relink_command="$var=; export $var; $relink_command" else func_quote_arg pretty "$var_value" relink_command="$var=$func_quote_arg_result; export $var; $relink_command" fi done func_quote eval cd "`pwd`" func_quote_arg pretty,unquoted "($func_quote_result; $relink_command)" relink_command=$func_quote_arg_unquoted_result fi # Only actually do things if not in dry run mode. $opt_dry_run || { # win32 will think the script is a binary if it has # a .exe suffix, so we strip it off here. case $output in *.exe) func_stripname '' '.exe' "$output" output=$func_stripname_result ;; esac # test for cygwin because mv fails w/o .exe extensions case $host in *cygwin*) exeext=.exe func_stripname '' '.exe' "$outputname" outputname=$func_stripname_result ;; *) exeext= ;; esac case $host in *cygwin* | *mingw* ) func_dirname_and_basename "$output" "" "." output_name=$func_basename_result output_path=$func_dirname_result cwrappersource=$output_path/$objdir/lt-$output_name.c cwrapper=$output_path/$output_name.exe $RM $cwrappersource $cwrapper trap "$RM $cwrappersource $cwrapper; exit $EXIT_FAILURE" 1 2 15 func_emit_cwrapperexe_src > $cwrappersource # The wrapper executable is built using the $host compiler, # because it contains $host paths and files. If cross- # compiling, it, like the target executable, must be # executed on the $host or under an emulation environment. $opt_dry_run || { $LTCC $LTCFLAGS -o $cwrapper $cwrappersource $STRIP $cwrapper } # Now, create the wrapper script for func_source use: func_ltwrapper_scriptname $cwrapper $RM $func_ltwrapper_scriptname_result trap "$RM $func_ltwrapper_scriptname_result; exit $EXIT_FAILURE" 1 2 15 $opt_dry_run || { # note: this script will not be executed, so do not chmod. if test "x$build" = "x$host"; then $cwrapper --lt-dump-script > $func_ltwrapper_scriptname_result else func_emit_wrapper no > $func_ltwrapper_scriptname_result fi } ;; * ) $RM $output trap "$RM $output; exit $EXIT_FAILURE" 1 2 15 func_emit_wrapper no > $output chmod +x $output ;; esac } exit $EXIT_SUCCESS ;; esac # See if we need to build an old-fashioned archive. for oldlib in $oldlibs; do case $build_libtool_libs in convenience) oldobjs="$libobjs_save $symfileobj" addlibs=$convenience build_libtool_libs=no ;; module) oldobjs=$libobjs_save addlibs=$old_convenience build_libtool_libs=no ;; *) oldobjs="$old_deplibs $non_pic_objects" $preload && test -f "$symfileobj" \ && func_append oldobjs " $symfileobj" addlibs=$old_convenience ;; esac if test -n "$addlibs"; then gentop=$output_objdir/${outputname}x func_append generated " $gentop" func_extract_archives $gentop $addlibs func_append oldobjs " $func_extract_archives_result" fi # Do each command in the archive commands. if test -n "$old_archive_from_new_cmds" && test yes = "$build_libtool_libs"; then cmds=$old_archive_from_new_cmds else # Add any objects from preloaded convenience libraries if test -n "$dlprefiles"; then gentop=$output_objdir/${outputname}x func_append generated " $gentop" func_extract_archives $gentop $dlprefiles func_append oldobjs " $func_extract_archives_result" fi # POSIX demands no paths to be encoded in archives. We have # to avoid creating archives with duplicate basenames if we # might have to extract them afterwards, e.g., when creating a # static archive out of a convenience library, or when linking # the entirety of a libtool archive into another (currently # not supported by libtool). if (for obj in $oldobjs do func_basename "$obj" $ECHO "$func_basename_result" done | sort | sort -uc >/dev/null 2>&1); then : else echo "copying selected object files to avoid basename conflicts..." gentop=$output_objdir/${outputname}x func_append generated " $gentop" func_mkdir_p "$gentop" save_oldobjs=$oldobjs oldobjs= counter=1 for obj in $save_oldobjs do func_basename "$obj" objbase=$func_basename_result case " $oldobjs " in " ") oldobjs=$obj ;; *[\ /]"$objbase "*) while :; do # Make sure we don't pick an alternate name that also # overlaps. newobj=lt$counter-$objbase func_arith $counter + 1 counter=$func_arith_result case " $oldobjs " in *[\ /]"$newobj "*) ;; *) if test ! -f "$gentop/$newobj"; then break; fi ;; esac done func_show_eval "ln $obj $gentop/$newobj || cp $obj $gentop/$newobj" func_append oldobjs " $gentop/$newobj" ;; *) func_append oldobjs " $obj" ;; esac done fi func_to_tool_file "$oldlib" func_convert_file_msys_to_w32 tool_oldlib=$func_to_tool_file_result eval cmds=\"$old_archive_cmds\" func_len " $cmds" len=$func_len_result if test "$len" -lt "$max_cmd_len" || test "$max_cmd_len" -le -1; then cmds=$old_archive_cmds elif test -n "$archiver_list_spec"; then func_verbose "using command file archive linking..." for obj in $oldobjs do func_to_tool_file "$obj" $ECHO "$func_to_tool_file_result" done > $output_objdir/$libname.libcmd func_to_tool_file "$output_objdir/$libname.libcmd" oldobjs=" $archiver_list_spec$func_to_tool_file_result" cmds=$old_archive_cmds else # the command line is too long to link in one step, link in parts func_verbose "using piecewise archive linking..." save_RANLIB=$RANLIB RANLIB=: objlist= concat_cmds= save_oldobjs=$oldobjs oldobjs= # Is there a better way of finding the last object in the list? 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There is NO # warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. # GNU Libtool is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of of the License, or # (at your option) any later version. # # As a special exception to the GNU General Public License, if you # distribute this file as part of a program or library that is built # using GNU Libtool, you may include this file under the same # distribution terms that you use for the rest of that program. # # GNU Libtool is distributed in the hope that it will be useful, but # WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see . ]) # serial 59 LT_INIT # LT_PREREQ(VERSION) # ------------------ # Complain and exit if this libtool version is less that VERSION. m4_defun([LT_PREREQ], [m4_if(m4_version_compare(m4_defn([LT_PACKAGE_VERSION]), [$1]), -1, [m4_default([$3], [m4_fatal([Libtool version $1 or higher is required], 63)])], [$2])]) # _LT_CHECK_BUILDDIR # ------------------ # Complain if the absolute build directory name contains unusual characters m4_defun([_LT_CHECK_BUILDDIR], [case `pwd` in *\ * | *\ *) AC_MSG_WARN([Libtool does not cope well with whitespace in `pwd`]) ;; esac ]) # LT_INIT([OPTIONS]) # ------------------ AC_DEFUN([LT_INIT], [AC_PREREQ([2.62])dnl We use AC_PATH_PROGS_FEATURE_CHECK AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl AC_BEFORE([$0], [LT_LANG])dnl AC_BEFORE([$0], [LT_OUTPUT])dnl AC_BEFORE([$0], [LTDL_INIT])dnl m4_require([_LT_CHECK_BUILDDIR])dnl dnl Autoconf doesn't catch unexpanded LT_ macros by default: m4_pattern_forbid([^_?LT_[A-Z_]+$])dnl m4_pattern_allow([^(_LT_EOF|LT_DLGLOBAL|LT_DLLAZY_OR_NOW|LT_MULTI_MODULE)$])dnl dnl aclocal doesn't pull ltoptions.m4, ltsugar.m4, or ltversion.m4 dnl unless we require an AC_DEFUNed macro: AC_REQUIRE([LTOPTIONS_VERSION])dnl AC_REQUIRE([LTSUGAR_VERSION])dnl AC_REQUIRE([LTVERSION_VERSION])dnl AC_REQUIRE([LTOBSOLETE_VERSION])dnl m4_require([_LT_PROG_LTMAIN])dnl _LT_SHELL_INIT([SHELL=${CONFIG_SHELL-/bin/sh}]) dnl Parse OPTIONS _LT_SET_OPTIONS([$0], [$1]) # This can be used to rebuild libtool when needed LIBTOOL_DEPS=$ltmain # Always use our own libtool. LIBTOOL='$(SHELL) $(top_builddir)/libtool' AC_SUBST(LIBTOOL)dnl _LT_SETUP # Only expand once: m4_define([LT_INIT]) ])# LT_INIT # Old names: AU_ALIAS([AC_PROG_LIBTOOL], [LT_INIT]) AU_ALIAS([AM_PROG_LIBTOOL], [LT_INIT]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AC_PROG_LIBTOOL], []) dnl AC_DEFUN([AM_PROG_LIBTOOL], []) # _LT_PREPARE_CC_BASENAME # ----------------------- m4_defun([_LT_PREPARE_CC_BASENAME], [ # Calculate cc_basename. Skip known compiler wrappers and cross-prefix. func_cc_basename () { for cc_temp in @S|@*""; do case $cc_temp in compile | *[[\\/]]compile | ccache | *[[\\/]]ccache ) ;; distcc | *[[\\/]]distcc | purify | *[[\\/]]purify ) ;; \-*) ;; *) break;; esac done func_cc_basename_result=`$ECHO "$cc_temp" | $SED "s%.*/%%; s%^$host_alias-%%"` } ])# _LT_PREPARE_CC_BASENAME # _LT_CC_BASENAME(CC) # ------------------- # It would be clearer to call AC_REQUIREs from _LT_PREPARE_CC_BASENAME, # but that macro is also expanded into generated libtool script, which # arranges for $SED and $ECHO to be set by different means. m4_defun([_LT_CC_BASENAME], [m4_require([_LT_PREPARE_CC_BASENAME])dnl AC_REQUIRE([_LT_DECL_SED])dnl AC_REQUIRE([_LT_PROG_ECHO_BACKSLASH])dnl func_cc_basename $1 cc_basename=$func_cc_basename_result ]) # _LT_FILEUTILS_DEFAULTS # ---------------------- # It is okay to use these file commands and assume they have been set # sensibly after 'm4_require([_LT_FILEUTILS_DEFAULTS])'. m4_defun([_LT_FILEUTILS_DEFAULTS], [: ${CP="cp -f"} : ${MV="mv -f"} : ${RM="rm -f"} ])# _LT_FILEUTILS_DEFAULTS # _LT_SETUP # --------- m4_defun([_LT_SETUP], [AC_REQUIRE([AC_CANONICAL_HOST])dnl AC_REQUIRE([AC_CANONICAL_BUILD])dnl AC_REQUIRE([_LT_PREPARE_SED_QUOTE_VARS])dnl AC_REQUIRE([_LT_PROG_ECHO_BACKSLASH])dnl _LT_DECL([], [PATH_SEPARATOR], [1], [The PATH separator for the build system])dnl dnl _LT_DECL([], [host_alias], [0], [The host system])dnl _LT_DECL([], [host], [0])dnl _LT_DECL([], [host_os], [0])dnl dnl _LT_DECL([], [build_alias], [0], [The build system])dnl _LT_DECL([], [build], [0])dnl _LT_DECL([], [build_os], [0])dnl dnl AC_REQUIRE([AC_PROG_CC])dnl AC_REQUIRE([LT_PATH_LD])dnl AC_REQUIRE([LT_PATH_NM])dnl dnl AC_REQUIRE([AC_PROG_LN_S])dnl test -z "$LN_S" && LN_S="ln -s" _LT_DECL([], [LN_S], [1], [Whether we need soft or hard links])dnl dnl AC_REQUIRE([LT_CMD_MAX_LEN])dnl _LT_DECL([objext], [ac_objext], [0], [Object file suffix (normally "o")])dnl _LT_DECL([], [exeext], [0], [Executable file suffix (normally "")])dnl dnl m4_require([_LT_FILEUTILS_DEFAULTS])dnl m4_require([_LT_CHECK_SHELL_FEATURES])dnl m4_require([_LT_PATH_CONVERSION_FUNCTIONS])dnl m4_require([_LT_CMD_RELOAD])dnl m4_require([_LT_DECL_FILECMD])dnl m4_require([_LT_CHECK_MAGIC_METHOD])dnl m4_require([_LT_CHECK_SHAREDLIB_FROM_LINKLIB])dnl m4_require([_LT_CMD_OLD_ARCHIVE])dnl m4_require([_LT_CMD_GLOBAL_SYMBOLS])dnl m4_require([_LT_WITH_SYSROOT])dnl m4_require([_LT_CMD_TRUNCATE])dnl _LT_CONFIG_LIBTOOL_INIT([ # See if we are running on zsh, and set the options that allow our # commands through without removal of \ escapes INIT. if test -n "\${ZSH_VERSION+set}"; then setopt NO_GLOB_SUBST fi ]) if test -n "${ZSH_VERSION+set}"; then setopt NO_GLOB_SUBST fi _LT_CHECK_OBJDIR m4_require([_LT_TAG_COMPILER])dnl case $host_os in aix3*) # AIX sometimes has problems with the GCC collect2 program. For some # reason, if we set the COLLECT_NAMES environment variable, the problems # vanish in a puff of smoke. if test set != "${COLLECT_NAMES+set}"; then COLLECT_NAMES= export COLLECT_NAMES fi ;; esac # Global variables: ofile=libtool can_build_shared=yes # All known linkers require a '.a' archive for static linking (except MSVC and # ICC, which need '.lib'). libext=a with_gnu_ld=$lt_cv_prog_gnu_ld old_CC=$CC old_CFLAGS=$CFLAGS # Set sane defaults for various variables test -z "$CC" && CC=cc test -z "$LTCC" && LTCC=$CC test -z "$LTCFLAGS" && LTCFLAGS=$CFLAGS test -z "$LD" && LD=ld test -z "$ac_objext" && ac_objext=o _LT_CC_BASENAME([$compiler]) # Only perform the check for file, if the check method requires it test -z "$MAGIC_CMD" && MAGIC_CMD=file case $deplibs_check_method in file_magic*) if test "$file_magic_cmd" = '$MAGIC_CMD'; then _LT_PATH_MAGIC fi ;; esac # Use C for the default configuration in the libtool script LT_SUPPORTED_TAG([CC]) _LT_LANG_C_CONFIG _LT_LANG_DEFAULT_CONFIG _LT_CONFIG_COMMANDS ])# _LT_SETUP # _LT_PREPARE_SED_QUOTE_VARS # -------------------------- # Define a few sed substitution that help us do robust quoting. m4_defun([_LT_PREPARE_SED_QUOTE_VARS], [# Backslashify metacharacters that are still active within # double-quoted strings. sed_quote_subst='s/\([["`$\\]]\)/\\\1/g' # Same as above, but do not quote variable references. double_quote_subst='s/\([["`\\]]\)/\\\1/g' # Sed substitution to delay expansion of an escaped shell variable in a # double_quote_subst'ed string. delay_variable_subst='s/\\\\\\\\\\\$/\\\\\\$/g' # Sed substitution to delay expansion of an escaped single quote. delay_single_quote_subst='s/'\''/'\'\\\\\\\'\''/g' # Sed substitution to avoid accidental globbing in evaled expressions no_glob_subst='s/\*/\\\*/g' ]) # _LT_PROG_LTMAIN # --------------- # Note that this code is called both from 'configure', and 'config.status' # now that we use AC_CONFIG_COMMANDS to generate libtool. Notably, # 'config.status' has no value for ac_aux_dir unless we are using Automake, # so we pass a copy along to make sure it has a sensible value anyway. m4_defun([_LT_PROG_LTMAIN], [m4_ifdef([AC_REQUIRE_AUX_FILE], [AC_REQUIRE_AUX_FILE([ltmain.sh])])dnl _LT_CONFIG_LIBTOOL_INIT([ac_aux_dir='$ac_aux_dir']) ltmain=$ac_aux_dir/ltmain.sh ])# _LT_PROG_LTMAIN ## ------------------------------------- ## ## Accumulate code for creating libtool. ## ## ------------------------------------- ## # So that we can recreate a full libtool script including additional # tags, we accumulate the chunks of code to send to AC_CONFIG_COMMANDS # in macros and then make a single call at the end using the 'libtool' # label. # _LT_CONFIG_LIBTOOL_INIT([INIT-COMMANDS]) # ---------------------------------------- # Register INIT-COMMANDS to be passed to AC_CONFIG_COMMANDS later. m4_define([_LT_CONFIG_LIBTOOL_INIT], [m4_ifval([$1], [m4_append([_LT_OUTPUT_LIBTOOL_INIT], [$1 ])])]) # Initialize. m4_define([_LT_OUTPUT_LIBTOOL_INIT]) # _LT_CONFIG_LIBTOOL([COMMANDS]) # ------------------------------ # Register COMMANDS to be passed to AC_CONFIG_COMMANDS later. m4_define([_LT_CONFIG_LIBTOOL], [m4_ifval([$1], [m4_append([_LT_OUTPUT_LIBTOOL_COMMANDS], [$1 ])])]) # Initialize. m4_define([_LT_OUTPUT_LIBTOOL_COMMANDS]) # _LT_CONFIG_SAVE_COMMANDS([COMMANDS], [INIT_COMMANDS]) # ----------------------------------------------------- m4_defun([_LT_CONFIG_SAVE_COMMANDS], [_LT_CONFIG_LIBTOOL([$1]) _LT_CONFIG_LIBTOOL_INIT([$2]) ]) # _LT_FORMAT_COMMENT([COMMENT]) # ----------------------------- # Add leading comment marks to the start of each line, and a trailing # full-stop to the whole comment if one is not present already. m4_define([_LT_FORMAT_COMMENT], [m4_ifval([$1], [ m4_bpatsubst([m4_bpatsubst([$1], [^ *], [# ])], [['`$\]], [\\\&])]m4_bmatch([$1], [[!?.]$], [], [.]) )]) ## ------------------------ ## ## FIXME: Eliminate VARNAME ## ## ------------------------ ## # _LT_DECL([CONFIGNAME], VARNAME, VALUE, [DESCRIPTION], [IS-TAGGED?]) # ------------------------------------------------------------------- # CONFIGNAME is the name given to the value in the libtool script. # VARNAME is the (base) name used in the configure script. # VALUE may be 0, 1 or 2 for a computed quote escaped value based on # VARNAME. Any other value will be used directly. m4_define([_LT_DECL], [lt_if_append_uniq([lt_decl_varnames], [$2], [, ], [lt_dict_add_subkey([lt_decl_dict], [$2], [libtool_name], [m4_ifval([$1], [$1], [$2])]) lt_dict_add_subkey([lt_decl_dict], [$2], [value], [$3]) m4_ifval([$4], [lt_dict_add_subkey([lt_decl_dict], [$2], [description], [$4])]) lt_dict_add_subkey([lt_decl_dict], [$2], [tagged?], [m4_ifval([$5], [yes], [no])])]) ]) # _LT_TAGDECL([CONFIGNAME], VARNAME, VALUE, [DESCRIPTION]) # -------------------------------------------------------- m4_define([_LT_TAGDECL], [_LT_DECL([$1], [$2], [$3], [$4], [yes])]) # lt_decl_tag_varnames([SEPARATOR], [VARNAME1...]) # ------------------------------------------------ m4_define([lt_decl_tag_varnames], [_lt_decl_filter([tagged?], [yes], $@)]) # _lt_decl_filter(SUBKEY, VALUE, [SEPARATOR], [VARNAME1..]) # --------------------------------------------------------- m4_define([_lt_decl_filter], [m4_case([$#], [0], [m4_fatal([$0: too few arguments: $#])], [1], [m4_fatal([$0: too few arguments: $#: $1])], [2], [lt_dict_filter([lt_decl_dict], [$1], [$2], [], lt_decl_varnames)], [3], [lt_dict_filter([lt_decl_dict], [$1], [$2], [$3], lt_decl_varnames)], [lt_dict_filter([lt_decl_dict], $@)])[]dnl ]) # lt_decl_quote_varnames([SEPARATOR], [VARNAME1...]) # -------------------------------------------------- m4_define([lt_decl_quote_varnames], [_lt_decl_filter([value], [1], $@)]) # lt_decl_dquote_varnames([SEPARATOR], [VARNAME1...]) # --------------------------------------------------- m4_define([lt_decl_dquote_varnames], [_lt_decl_filter([value], [2], $@)]) # lt_decl_varnames_tagged([SEPARATOR], [VARNAME1...]) # --------------------------------------------------- m4_define([lt_decl_varnames_tagged], [m4_assert([$# <= 2])dnl _$0(m4_quote(m4_default([$1], [[, ]])), m4_ifval([$2], [[$2]], [m4_dquote(lt_decl_tag_varnames)]), m4_split(m4_normalize(m4_quote(_LT_TAGS)), [ ]))]) m4_define([_lt_decl_varnames_tagged], [m4_ifval([$3], [lt_combine([$1], [$2], [_], $3)])]) # lt_decl_all_varnames([SEPARATOR], [VARNAME1...]) # ------------------------------------------------ m4_define([lt_decl_all_varnames], [_$0(m4_quote(m4_default([$1], [[, ]])), m4_if([$2], [], m4_quote(lt_decl_varnames), m4_quote(m4_shift($@))))[]dnl ]) m4_define([_lt_decl_all_varnames], [lt_join($@, lt_decl_varnames_tagged([$1], lt_decl_tag_varnames([[, ]], m4_shift($@))))dnl ]) # _LT_CONFIG_STATUS_DECLARE([VARNAME]) # ------------------------------------ # Quote a variable value, and forward it to 'config.status' so that its # declaration there will have the same value as in 'configure'. VARNAME # must have a single quote delimited value for this to work. m4_define([_LT_CONFIG_STATUS_DECLARE], [$1='`$ECHO "$][$1" | $SED "$delay_single_quote_subst"`']) # _LT_CONFIG_STATUS_DECLARATIONS # ------------------------------ # We delimit libtool config variables with single quotes, so when # we write them to config.status, we have to be sure to quote all # embedded single quotes properly. In configure, this macro expands # each variable declared with _LT_DECL (and _LT_TAGDECL) into: # # ='`$ECHO "$" | $SED "$delay_single_quote_subst"`' m4_defun([_LT_CONFIG_STATUS_DECLARATIONS], [m4_foreach([_lt_var], m4_quote(lt_decl_all_varnames), [m4_n([_LT_CONFIG_STATUS_DECLARE(_lt_var)])])]) # _LT_LIBTOOL_TAGS # ---------------- # Output comment and list of tags supported by the script m4_defun([_LT_LIBTOOL_TAGS], [_LT_FORMAT_COMMENT([The names of the tagged configurations supported by this script])dnl available_tags='_LT_TAGS'dnl ]) # _LT_LIBTOOL_DECLARE(VARNAME, [TAG]) # ----------------------------------- # Extract the dictionary values for VARNAME (optionally with TAG) and # expand to a commented shell variable setting: # # # Some comment about what VAR is for. # visible_name=$lt_internal_name m4_define([_LT_LIBTOOL_DECLARE], [_LT_FORMAT_COMMENT(m4_quote(lt_dict_fetch([lt_decl_dict], [$1], [description])))[]dnl m4_pushdef([_libtool_name], m4_quote(lt_dict_fetch([lt_decl_dict], [$1], [libtool_name])))[]dnl m4_case(m4_quote(lt_dict_fetch([lt_decl_dict], [$1], [value])), [0], [_libtool_name=[$]$1], [1], [_libtool_name=$lt_[]$1], [2], [_libtool_name=$lt_[]$1], [_libtool_name=lt_dict_fetch([lt_decl_dict], [$1], [value])])[]dnl m4_ifval([$2], [_$2])[]m4_popdef([_libtool_name])[]dnl ]) # _LT_LIBTOOL_CONFIG_VARS # ----------------------- # Produce commented declarations of non-tagged libtool config variables # suitable for insertion in the LIBTOOL CONFIG section of the 'libtool' # script. Tagged libtool config variables (even for the LIBTOOL CONFIG # section) are produced by _LT_LIBTOOL_TAG_VARS. m4_defun([_LT_LIBTOOL_CONFIG_VARS], [m4_foreach([_lt_var], m4_quote(_lt_decl_filter([tagged?], [no], [], lt_decl_varnames)), [m4_n([_LT_LIBTOOL_DECLARE(_lt_var)])])]) # _LT_LIBTOOL_TAG_VARS(TAG) # ------------------------- m4_define([_LT_LIBTOOL_TAG_VARS], [m4_foreach([_lt_var], m4_quote(lt_decl_tag_varnames), [m4_n([_LT_LIBTOOL_DECLARE(_lt_var, [$1])])])]) # _LT_TAGVAR(VARNAME, [TAGNAME]) # ------------------------------ m4_define([_LT_TAGVAR], [m4_ifval([$2], [$1_$2], [$1])]) # _LT_CONFIG_COMMANDS # ------------------- # Send accumulated output to $CONFIG_STATUS. Thanks to the lists of # variables for single and double quote escaping we saved from calls # to _LT_DECL, we can put quote escaped variables declarations # into 'config.status', and then the shell code to quote escape them in # for loops in 'config.status'. Finally, any additional code accumulated # from calls to _LT_CONFIG_LIBTOOL_INIT is expanded. m4_defun([_LT_CONFIG_COMMANDS], [AC_PROVIDE_IFELSE([LT_OUTPUT], dnl If the libtool generation code has been placed in $CONFIG_LT, dnl instead of duplicating it all over again into config.status, dnl then we will have config.status run $CONFIG_LT later, so it dnl needs to know what name is stored there: [AC_CONFIG_COMMANDS([libtool], [$SHELL $CONFIG_LT || AS_EXIT(1)], [CONFIG_LT='$CONFIG_LT'])], dnl If the libtool generation code is destined for config.status, dnl expand the accumulated commands and init code now: [AC_CONFIG_COMMANDS([libtool], [_LT_OUTPUT_LIBTOOL_COMMANDS], [_LT_OUTPUT_LIBTOOL_COMMANDS_INIT])]) ])#_LT_CONFIG_COMMANDS # Initialize. m4_define([_LT_OUTPUT_LIBTOOL_COMMANDS_INIT], [ # The HP-UX ksh and POSIX shell print the target directory to stdout # if CDPATH is set. 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AC_DEFUN([LT_OUTPUT], [: ${CONFIG_LT=./config.lt} AC_MSG_NOTICE([creating $CONFIG_LT]) _LT_GENERATED_FILE_INIT(["$CONFIG_LT"], [# Run this file to recreate a libtool stub with the current configuration.]) cat >>"$CONFIG_LT" <<\_LTEOF lt_cl_silent=false exec AS_MESSAGE_LOG_FD>>config.log { echo AS_BOX([Running $as_me.]) } >&AS_MESSAGE_LOG_FD lt_cl_help="\ '$as_me' creates a local libtool stub from the current configuration, for use in further configure time tests before the real libtool is generated. Usage: $[0] [[OPTIONS]] -h, --help print this help, then exit -V, --version print version number, then exit -q, --quiet do not print progress messages -d, --debug don't remove temporary files Report bugs to ." lt_cl_version="\ m4_ifset([AC_PACKAGE_NAME], [AC_PACKAGE_NAME ])config.lt[]dnl m4_ifset([AC_PACKAGE_VERSION], [ AC_PACKAGE_VERSION]) configured by $[0], generated by m4_PACKAGE_STRING. Copyright (C) 2011 Free Software Foundation, Inc. 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Use them if available. if ${LD-ld} -V | grep _sol2 >/dev/null 2>&1; then LD=${LD-ld}_sol2 fi ;; *) if ${LD-ld} -64 -r -o conftest2.o conftest.o >/dev/null 2>&1; then LD="${LD-ld} -64" fi ;; esac ;; esac fi rm -rf conftest* ;; esac need_locks=$enable_libtool_lock ])# _LT_ENABLE_LOCK # _LT_PROG_AR # ----------- m4_defun([_LT_PROG_AR], [AC_CHECK_TOOLS(AR, [ar], false) : ${AR=ar} _LT_DECL([], [AR], [1], [The archiver]) # Use ARFLAGS variable as AR's operation code to sync the variable naming with # Automake. If both AR_FLAGS and ARFLAGS are specified, AR_FLAGS should have # higher priority because thats what people were doing historically (setting # ARFLAGS for automake and AR_FLAGS for libtool). FIXME: Make the AR_FLAGS # variable obsoleted/removed. test ${AR_FLAGS+y} || AR_FLAGS=${ARFLAGS-cr} lt_ar_flags=$AR_FLAGS _LT_DECL([], [lt_ar_flags], [0], [Flags to create an archive (by configure)]) # Make AR_FLAGS overridable by 'make ARFLAGS='. Don't try to run-time override # by AR_FLAGS because that was never working and AR_FLAGS is about to die. _LT_DECL([], [AR_FLAGS], [\@S|@{ARFLAGS-"\@S|@lt_ar_flags"}], [Flags to create an archive]) AC_CACHE_CHECK([for archiver @FILE support], [lt_cv_ar_at_file], [lt_cv_ar_at_file=no AC_COMPILE_IFELSE([AC_LANG_PROGRAM], [echo conftest.$ac_objext > conftest.lst lt_ar_try='$AR $AR_FLAGS libconftest.a @conftest.lst >&AS_MESSAGE_LOG_FD' AC_TRY_EVAL([lt_ar_try]) if test 0 -eq "$ac_status"; then # Ensure the archiver fails upon bogus file names. rm -f conftest.$ac_objext libconftest.a AC_TRY_EVAL([lt_ar_try]) if test 0 -ne "$ac_status"; then lt_cv_ar_at_file=@ fi fi rm -f conftest.* libconftest.a ]) ]) if test no = "$lt_cv_ar_at_file"; then archiver_list_spec= else archiver_list_spec=$lt_cv_ar_at_file fi _LT_DECL([], [archiver_list_spec], [1], [How to feed a file listing to the archiver]) ])# _LT_PROG_AR # _LT_CMD_OLD_ARCHIVE # ------------------- m4_defun([_LT_CMD_OLD_ARCHIVE], [_LT_PROG_AR AC_CHECK_TOOL(STRIP, strip, :) test -z "$STRIP" && STRIP=: _LT_DECL([], [STRIP], [1], [A symbol stripping program]) AC_CHECK_TOOL(RANLIB, ranlib, :) test -z "$RANLIB" && RANLIB=: _LT_DECL([], [RANLIB], [1], [Commands used to install an old-style archive]) # Determine commands to create old-style static archives. old_archive_cmds='$AR $AR_FLAGS $oldlib$oldobjs' old_postinstall_cmds='chmod 644 $oldlib' old_postuninstall_cmds= if test -n "$RANLIB"; then case $host_os in bitrig* | openbsd*) old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB -t \$tool_oldlib" ;; *) old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB \$tool_oldlib" ;; esac old_archive_cmds="$old_archive_cmds~\$RANLIB \$tool_oldlib" fi case $host_os in darwin*) lock_old_archive_extraction=yes ;; *) lock_old_archive_extraction=no ;; esac _LT_DECL([], [old_postinstall_cmds], [2]) _LT_DECL([], [old_postuninstall_cmds], [2]) _LT_TAGDECL([], [old_archive_cmds], [2], [Commands used to build an old-style archive]) _LT_DECL([], [lock_old_archive_extraction], [0], [Whether to use a lock for old archive extraction]) ])# _LT_CMD_OLD_ARCHIVE # _LT_COMPILER_OPTION(MESSAGE, VARIABLE-NAME, FLAGS, # [OUTPUT-FILE], [ACTION-SUCCESS], [ACTION-FAILURE]) # ---------------------------------------------------------------- # Check whether the given compiler option works AC_DEFUN([_LT_COMPILER_OPTION], [m4_require([_LT_FILEUTILS_DEFAULTS])dnl m4_require([_LT_DECL_SED])dnl AC_CACHE_CHECK([$1], [$2], [$2=no m4_if([$4], , [ac_outfile=conftest.$ac_objext], [ac_outfile=$4]) echo "$lt_simple_compile_test_code" > conftest.$ac_ext lt_compiler_flag="$3" ## exclude from sc_useless_quotes_in_assignment # Insert the option either (1) after the last *FLAGS variable, or # (2) before a word containing "conftest.", or (3) at the end. # Note that $ac_compile itself does not contain backslashes and begins # with a dollar sign (not a hyphen), so the echo should work correctly. # The option is referenced via a variable to avoid confusing sed. lt_compile=`echo "$ac_compile" | $SED \ -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ -e 's: [[^ ]]*conftest\.: $lt_compiler_flag&:; t' \ -e 's:$: $lt_compiler_flag:'` (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&AS_MESSAGE_LOG_FD) (eval "$lt_compile" 2>conftest.err) ac_status=$? cat conftest.err >&AS_MESSAGE_LOG_FD echo "$as_me:$LINENO: \$? = $ac_status" >&AS_MESSAGE_LOG_FD if (exit $ac_status) && test -s "$ac_outfile"; then # The compiler can only warn and ignore the option if not recognized # So say no if there are warnings other than the usual output. $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' >conftest.exp $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2 if test ! -s conftest.er2 || diff conftest.exp conftest.er2 >/dev/null; then $2=yes fi fi $RM conftest* ]) if test yes = "[$]$2"; then m4_if([$5], , :, [$5]) else m4_if([$6], , :, [$6]) fi ])# _LT_COMPILER_OPTION # Old name: AU_ALIAS([AC_LIBTOOL_COMPILER_OPTION], [_LT_COMPILER_OPTION]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AC_LIBTOOL_COMPILER_OPTION], []) # _LT_LINKER_OPTION(MESSAGE, VARIABLE-NAME, FLAGS, # [ACTION-SUCCESS], [ACTION-FAILURE]) # ---------------------------------------------------- # Check whether the given linker option works AC_DEFUN([_LT_LINKER_OPTION], [m4_require([_LT_FILEUTILS_DEFAULTS])dnl m4_require([_LT_DECL_SED])dnl AC_CACHE_CHECK([$1], [$2], [$2=no save_LDFLAGS=$LDFLAGS LDFLAGS="$LDFLAGS $3" echo "$lt_simple_link_test_code" > conftest.$ac_ext if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then # The linker can only warn and ignore the option if not recognized # So say no if there are warnings if test -s conftest.err; then # Append any errors to the config.log. cat conftest.err 1>&AS_MESSAGE_LOG_FD $ECHO "$_lt_linker_boilerplate" | $SED '/^$/d' > conftest.exp $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2 if diff conftest.exp conftest.er2 >/dev/null; then $2=yes fi else $2=yes fi fi $RM -r conftest* LDFLAGS=$save_LDFLAGS ]) if test yes = "[$]$2"; then m4_if([$4], , :, [$4]) else m4_if([$5], , :, [$5]) fi ])# _LT_LINKER_OPTION # Old name: AU_ALIAS([AC_LIBTOOL_LINKER_OPTION], [_LT_LINKER_OPTION]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AC_LIBTOOL_LINKER_OPTION], []) # LT_CMD_MAX_LEN #--------------- AC_DEFUN([LT_CMD_MAX_LEN], [AC_REQUIRE([AC_CANONICAL_HOST])dnl # find the maximum length of command line arguments AC_MSG_CHECKING([the maximum length of command line arguments]) AC_CACHE_VAL([lt_cv_sys_max_cmd_len], [dnl i=0 teststring=ABCD case $build_os in msdosdjgpp*) # On DJGPP, this test can blow up pretty badly due to problems in libc # (any single argument exceeding 2000 bytes causes a buffer overrun # during glob expansion). Even if it were fixed, the result of this # check would be larger than it should be. lt_cv_sys_max_cmd_len=12288; # 12K is about right ;; gnu*) # Under GNU Hurd, this test is not required because there is # no limit to the length of command line arguments. # Libtool will interpret -1 as no limit whatsoever lt_cv_sys_max_cmd_len=-1; ;; cygwin* | mingw* | cegcc*) # On Win9x/ME, this test blows up -- it succeeds, but takes # about 5 minutes as the teststring grows exponentially. # Worse, since 9x/ME are not pre-emptively multitasking, # you end up with a "frozen" computer, even though with patience # the test eventually succeeds (with a max line length of 256k). # Instead, let's just punt: use the minimum linelength reported by # all of the supported platforms: 8192 (on NT/2K/XP). lt_cv_sys_max_cmd_len=8192; ;; mint*) # On MiNT this can take a long time and run out of memory. lt_cv_sys_max_cmd_len=8192; ;; amigaos*) # On AmigaOS with pdksh, this test takes hours, literally. # So we just punt and use a minimum line length of 8192. lt_cv_sys_max_cmd_len=8192; ;; bitrig* | darwin* | dragonfly* | freebsd* | midnightbsd* | netbsd* | openbsd*) # This has been around since 386BSD, at least. Likely further. if test -x /sbin/sysctl; then lt_cv_sys_max_cmd_len=`/sbin/sysctl -n kern.argmax` elif test -x /usr/sbin/sysctl; then lt_cv_sys_max_cmd_len=`/usr/sbin/sysctl -n kern.argmax` else lt_cv_sys_max_cmd_len=65536 # usable default for all BSDs fi # And add a safety zone lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4` lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3` ;; interix*) # We know the value 262144 and hardcode it with a safety zone (like BSD) lt_cv_sys_max_cmd_len=196608 ;; os2*) # The test takes a long time on OS/2. lt_cv_sys_max_cmd_len=8192 ;; osf*) # Dr. Hans Ekkehard Plesser reports seeing a kernel panic running configure # due to this test when exec_disable_arg_limit is 1 on Tru64. It is not # nice to cause kernel panics so lets avoid the loop below. # First set a reasonable default. lt_cv_sys_max_cmd_len=16384 # if test -x /sbin/sysconfig; then case `/sbin/sysconfig -q proc exec_disable_arg_limit` in *1*) lt_cv_sys_max_cmd_len=-1 ;; esac fi ;; sco3.2v5*) lt_cv_sys_max_cmd_len=102400 ;; sysv5* | sco5v6* | sysv4.2uw2*) kargmax=`grep ARG_MAX /etc/conf/cf.d/stune 2>/dev/null` if test -n "$kargmax"; then lt_cv_sys_max_cmd_len=`echo $kargmax | $SED 's/.*[[ ]]//'` else lt_cv_sys_max_cmd_len=32768 fi ;; *) lt_cv_sys_max_cmd_len=`(getconf ARG_MAX) 2> /dev/null` if test -n "$lt_cv_sys_max_cmd_len" && \ test undefined != "$lt_cv_sys_max_cmd_len"; then lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4` lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3` else # Make teststring a little bigger before we do anything with it. # a 1K string should be a reasonable start. for i in 1 2 3 4 5 6 7 8; do teststring=$teststring$teststring done SHELL=${SHELL-${CONFIG_SHELL-/bin/sh}} # If test is not a shell built-in, we'll probably end up computing a # maximum length that is only half of the actual maximum length, but # we can't tell. while { test X`env echo "$teststring$teststring" 2>/dev/null` \ = "X$teststring$teststring"; } >/dev/null 2>&1 && test 17 != "$i" # 1/2 MB should be enough do i=`expr $i + 1` teststring=$teststring$teststring done # Only check the string length outside the loop. lt_cv_sys_max_cmd_len=`expr "X$teststring" : ".*" 2>&1` teststring= # Add a significant safety factor because C++ compilers can tack on # massive amounts of additional arguments before passing them to the # linker. It appears as though 1/2 is a usable value. lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 2` fi ;; esac ]) if test -n "$lt_cv_sys_max_cmd_len"; then AC_MSG_RESULT($lt_cv_sys_max_cmd_len) else AC_MSG_RESULT(none) fi max_cmd_len=$lt_cv_sys_max_cmd_len _LT_DECL([], [max_cmd_len], [0], [What is the maximum length of a command?]) ])# LT_CMD_MAX_LEN # Old name: AU_ALIAS([AC_LIBTOOL_SYS_MAX_CMD_LEN], [LT_CMD_MAX_LEN]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AC_LIBTOOL_SYS_MAX_CMD_LEN], []) # _LT_HEADER_DLFCN # ---------------- m4_defun([_LT_HEADER_DLFCN], [AC_CHECK_HEADERS([dlfcn.h], [], [], [AC_INCLUDES_DEFAULT])dnl ])# _LT_HEADER_DLFCN # _LT_TRY_DLOPEN_SELF (ACTION-IF-TRUE, ACTION-IF-TRUE-W-USCORE, # ACTION-IF-FALSE, ACTION-IF-CROSS-COMPILING) # ---------------------------------------------------------------- m4_defun([_LT_TRY_DLOPEN_SELF], [m4_require([_LT_HEADER_DLFCN])dnl if test yes = "$cross_compiling"; then : [$4] else lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 lt_status=$lt_dlunknown cat > conftest.$ac_ext <<_LT_EOF [#line $LINENO "configure" #include "confdefs.h" #if HAVE_DLFCN_H #include #endif #include #ifdef RTLD_GLOBAL # define LT_DLGLOBAL RTLD_GLOBAL #else # ifdef DL_GLOBAL # define LT_DLGLOBAL DL_GLOBAL # else # define LT_DLGLOBAL 0 # endif #endif /* We may have to define LT_DLLAZY_OR_NOW in the command line if we find out it does not work in some platform. */ #ifndef LT_DLLAZY_OR_NOW # ifdef RTLD_LAZY # define LT_DLLAZY_OR_NOW RTLD_LAZY # else # ifdef DL_LAZY # define LT_DLLAZY_OR_NOW DL_LAZY # else # ifdef RTLD_NOW # define LT_DLLAZY_OR_NOW RTLD_NOW # else # ifdef DL_NOW # define LT_DLLAZY_OR_NOW DL_NOW # else # define LT_DLLAZY_OR_NOW 0 # endif # endif # endif # endif #endif /* When -fvisibility=hidden is used, assume the code has been annotated correspondingly for the symbols needed. */ #if defined __GNUC__ && (((__GNUC__ == 3) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 3)) int fnord () __attribute__((visibility("default"))); #endif int fnord () { return 42; } int main () { void *self = dlopen (0, LT_DLGLOBAL|LT_DLLAZY_OR_NOW); int status = $lt_dlunknown; if (self) { if (dlsym (self,"fnord")) status = $lt_dlno_uscore; else { if (dlsym( self,"_fnord")) status = $lt_dlneed_uscore; else puts (dlerror ()); } /* dlclose (self); */ } else puts (dlerror ()); return status; }] _LT_EOF if AC_TRY_EVAL(ac_link) && test -s "conftest$ac_exeext" 2>/dev/null; then (./conftest; exit; ) >&AS_MESSAGE_LOG_FD 2>/dev/null lt_status=$? case x$lt_status in x$lt_dlno_uscore) $1 ;; x$lt_dlneed_uscore) $2 ;; x$lt_dlunknown|x*) $3 ;; esac else : # compilation failed $3 fi fi rm -fr conftest* ])# _LT_TRY_DLOPEN_SELF # LT_SYS_DLOPEN_SELF # ------------------ AC_DEFUN([LT_SYS_DLOPEN_SELF], [m4_require([_LT_HEADER_DLFCN])dnl if test yes != "$enable_dlopen"; then enable_dlopen=unknown enable_dlopen_self=unknown enable_dlopen_self_static=unknown else lt_cv_dlopen=no lt_cv_dlopen_libs= case $host_os in beos*) lt_cv_dlopen=load_add_on lt_cv_dlopen_libs= lt_cv_dlopen_self=yes ;; mingw* | pw32* | cegcc*) lt_cv_dlopen=LoadLibrary lt_cv_dlopen_libs= ;; cygwin*) lt_cv_dlopen=dlopen lt_cv_dlopen_libs= ;; darwin*) # if libdl is installed we need to link against it AC_CHECK_LIB([dl], [dlopen], [lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-ldl],[ lt_cv_dlopen=dyld lt_cv_dlopen_libs= lt_cv_dlopen_self=yes ]) ;; tpf*) # Don't try to run any link tests for TPF. We know it's impossible # because TPF is a cross-compiler, and we know how we open DSOs. lt_cv_dlopen=dlopen lt_cv_dlopen_libs= lt_cv_dlopen_self=no ;; *) AC_CHECK_FUNC([shl_load], [lt_cv_dlopen=shl_load], [AC_CHECK_LIB([dld], [shl_load], [lt_cv_dlopen=shl_load lt_cv_dlopen_libs=-ldld], [AC_CHECK_FUNC([dlopen], [lt_cv_dlopen=dlopen], [AC_CHECK_LIB([dl], [dlopen], [lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-ldl], [AC_CHECK_LIB([svld], [dlopen], [lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-lsvld], [AC_CHECK_LIB([dld], [dld_link], [lt_cv_dlopen=dld_link lt_cv_dlopen_libs=-ldld]) ]) ]) ]) ]) ]) ;; esac if test no = "$lt_cv_dlopen"; then enable_dlopen=no else enable_dlopen=yes fi case $lt_cv_dlopen in dlopen) save_CPPFLAGS=$CPPFLAGS test yes = "$ac_cv_header_dlfcn_h" && CPPFLAGS="$CPPFLAGS -DHAVE_DLFCN_H" save_LDFLAGS=$LDFLAGS wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $export_dynamic_flag_spec\" save_LIBS=$LIBS LIBS="$lt_cv_dlopen_libs $LIBS" AC_CACHE_CHECK([whether a program can dlopen itself], lt_cv_dlopen_self, [dnl _LT_TRY_DLOPEN_SELF( lt_cv_dlopen_self=yes, lt_cv_dlopen_self=yes, lt_cv_dlopen_self=no, lt_cv_dlopen_self=cross) ]) if test yes = "$lt_cv_dlopen_self"; 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esac # HP-UX runs *really* slowly unless shared libraries are mode 555, ... postinstall_cmds='chmod 555 $lib' # or fails outright, so override atomically: install_override_mode=555 ;; interix[[3-9]]*) version_type=linux # correct to gnu/linux during the next big refactor need_lib_prefix=no need_version=no library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' dynamic_linker='Interix 3.x ld.so.1 (PE, like ELF)' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no hardcode_into_libs=yes ;; irix5* | irix6* | nonstopux*) case $host_os in nonstopux*) version_type=nonstopux ;; *) if test yes = "$lt_cv_prog_gnu_ld"; then version_type=linux # correct to gnu/linux during the next big refactor else version_type=irix fi ;; esac need_lib_prefix=no need_version=no soname_spec='$libname$release$shared_ext$major' library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$release$shared_ext $libname$shared_ext' case $host_os in irix5* | nonstopux*) libsuff= shlibsuff= ;; *) case $LD in # libtool.m4 will add one of these switches to LD *-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ") libsuff= shlibsuff= libmagic=32-bit;; *-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ") libsuff=32 shlibsuff=N32 libmagic=N32;; *-64|*"-64 "|*-melf64bmip|*"-melf64bmip ") libsuff=64 shlibsuff=64 libmagic=64-bit;; *) libsuff= shlibsuff= libmagic=never-match;; esac ;; esac shlibpath_var=LD_LIBRARY${shlibsuff}_PATH shlibpath_overrides_runpath=no sys_lib_search_path_spec="/usr/lib$libsuff /lib$libsuff /usr/local/lib$libsuff" sys_lib_dlsearch_path_spec="/usr/lib$libsuff /lib$libsuff" hardcode_into_libs=yes ;; # No shared lib support for Linux oldld, aout, or coff. linux*oldld* | linux*aout* | linux*coff*) dynamic_linker=no ;; linux*android*) version_type=none # Android doesn't support versioned libraries. need_lib_prefix=no need_version=no library_names_spec='$libname$release$shared_ext' soname_spec='$libname$release$shared_ext' finish_cmds= shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes # This implies no fast_install, which is unacceptable. # Some rework will be needed to allow for fast_install # before this can be enabled. hardcode_into_libs=yes dynamic_linker='Android linker' # Don't embed -rpath directories since the linker doesn't support them. _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' ;; 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then case $cc_basename in nvcc*) _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=' -Xcompiler -fno-builtin' ;; *) _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=' -fno-builtin' ;; esac _LT_COMPILER_OPTION([if $compiler supports -fno-rtti -fno-exceptions], lt_cv_prog_compiler_rtti_exceptions, [-fno-rtti -fno-exceptions], [], [_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)="$_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1) -fno-rtti -fno-exceptions"]) fi _LT_TAGDECL([no_builtin_flag], [lt_prog_compiler_no_builtin_flag], [1], [Compiler flag to turn off builtin functions]) ])# _LT_COMPILER_NO_RTTI # _LT_CMD_GLOBAL_SYMBOLS # ---------------------- m4_defun([_LT_CMD_GLOBAL_SYMBOLS], [AC_REQUIRE([AC_CANONICAL_HOST])dnl AC_REQUIRE([AC_PROG_CC])dnl AC_REQUIRE([AC_PROG_AWK])dnl AC_REQUIRE([LT_PATH_NM])dnl AC_REQUIRE([LT_PATH_LD])dnl m4_require([_LT_DECL_SED])dnl m4_require([_LT_DECL_EGREP])dnl m4_require([_LT_TAG_COMPILER])dnl # Check for command to grab the raw symbol name followed by C symbol from nm. AC_MSG_CHECKING([command to parse $NM output from $compiler object]) AC_CACHE_VAL([lt_cv_sys_global_symbol_pipe], [ # These are sane defaults that work on at least a few old systems. # [They come from Ultrix. What could be older than Ultrix?!! ;)] # Character class describing NM global symbol codes. symcode='[[BCDEGRST]]' # Regexp to match symbols that can be accessed directly from C. sympat='\([[_A-Za-z]][[_A-Za-z0-9]]*\)' # Define system-specific variables. case $host_os in aix*) symcode='[[BCDT]]' ;; cygwin* | mingw* | pw32* | cegcc*) symcode='[[ABCDGISTW]]' ;; hpux*) if test ia64 = "$host_cpu"; then symcode='[[ABCDEGRST]]' fi ;; irix* | nonstopux*) symcode='[[BCDEGRST]]' ;; osf*) symcode='[[BCDEGQRST]]' ;; solaris*) symcode='[[BDRT]]' ;; sco3.2v5*) symcode='[[DT]]' ;; sysv4.2uw2*) symcode='[[DT]]' ;; sysv5* | sco5v6* | unixware* | OpenUNIX*) symcode='[[ABDT]]' ;; sysv4) symcode='[[DFNSTU]]' ;; esac # If we're using GNU nm, then use its standard symbol codes. case `$NM -V 2>&1` in *GNU* | *'with BFD'*) symcode='[[ABCDGIRSTW]]' ;; esac if test "$lt_cv_nm_interface" = "MS dumpbin"; then # Gets list of data symbols to import. lt_cv_sys_global_symbol_to_import="$SED -n -e 's/^I .* \(.*\)$/\1/p'" # Adjust the below global symbol transforms to fixup imported variables. lt_cdecl_hook=" -e 's/^I .* \(.*\)$/extern __declspec(dllimport) char \1;/p'" lt_c_name_hook=" -e 's/^I .* \(.*\)$/ {\"\1\", (void *) 0},/p'" lt_c_name_lib_hook="\ -e 's/^I .* \(lib.*\)$/ {\"\1\", (void *) 0},/p'\ -e 's/^I .* \(.*\)$/ {\"lib\1\", (void *) 0},/p'" else # Disable hooks by default. lt_cv_sys_global_symbol_to_import= lt_cdecl_hook= lt_c_name_hook= lt_c_name_lib_hook= fi # Transform an extracted symbol line into a proper C declaration. # Some systems (esp. on ia64) link data and code symbols differently, # so use this general approach. lt_cv_sys_global_symbol_to_cdecl="$SED -n"\ $lt_cdecl_hook\ " -e 's/^T .* \(.*\)$/extern int \1();/p'"\ " -e 's/^$symcode$symcode* .* \(.*\)$/extern char \1;/p'" # Transform an extracted symbol line into symbol name and symbol address lt_cv_sys_global_symbol_to_c_name_address="$SED -n"\ $lt_c_name_hook\ " -e 's/^: \(.*\) .*$/ {\"\1\", (void *) 0},/p'"\ " -e 's/^$symcode$symcode* .* \(.*\)$/ {\"\1\", (void *) \&\1},/p'" # Transform an extracted symbol line into symbol name with lib prefix and # symbol address. lt_cv_sys_global_symbol_to_c_name_address_lib_prefix="$SED -n"\ $lt_c_name_lib_hook\ " -e 's/^: \(.*\) .*$/ {\"\1\", (void *) 0},/p'"\ " -e 's/^$symcode$symcode* .* \(lib.*\)$/ {\"\1\", (void *) \&\1},/p'"\ " -e 's/^$symcode$symcode* .* \(.*\)$/ {\"lib\1\", (void *) \&\1},/p'" # Handle CRLF in mingw tool chain opt_cr= case $build_os in mingw*) opt_cr=`$ECHO 'x\{0,1\}' | tr x '\015'` # option cr in regexp ;; esac # Try without a prefix underscore, then with it. for ac_symprfx in "" "_"; do # Transform symcode, sympat, and symprfx into a raw symbol and a C symbol. symxfrm="\\1 $ac_symprfx\\2 \\2" # Write the raw and C identifiers. if test "$lt_cv_nm_interface" = "MS dumpbin"; then # Fake it for dumpbin and say T for any non-static function, # D for any global variable and I for any imported variable. # Also find C++ and __fastcall symbols from MSVC++ or ICC, # which start with @ or ?. lt_cv_sys_global_symbol_pipe="$AWK ['"\ " {last_section=section; section=\$ 3};"\ " /^COFF SYMBOL TABLE/{for(i in hide) delete hide[i]};"\ " /Section length .*#relocs.*(pick any)/{hide[last_section]=1};"\ " /^ *Symbol name *: /{split(\$ 0,sn,\":\"); si=substr(sn[2],2)};"\ " /^ *Type *: code/{print \"T\",si,substr(si,length(prfx))};"\ " /^ *Type *: data/{print \"I\",si,substr(si,length(prfx))};"\ " \$ 0!~/External *\|/{next};"\ " / 0+ UNDEF /{next}; / UNDEF \([^|]\)*()/{next};"\ " {if(hide[section]) next};"\ " {f=\"D\"}; \$ 0~/\(\).*\|/{f=\"T\"};"\ " {split(\$ 0,a,/\||\r/); split(a[2],s)};"\ " s[1]~/^[@?]/{print f,s[1],s[1]; next};"\ " s[1]~prfx {split(s[1],t,\"@\"); print f,t[1],substr(t[1],length(prfx))}"\ " ' prfx=^$ac_symprfx]" else lt_cv_sys_global_symbol_pipe="$SED -n -e 's/^.*[[ ]]\($symcode$symcode*\)[[ ]][[ ]]*$ac_symprfx$sympat$opt_cr$/$symxfrm/p'" fi lt_cv_sys_global_symbol_pipe="$lt_cv_sys_global_symbol_pipe | $SED '/ __gnu_lto/d'" # Check to see that the pipe works correctly. pipe_works=no rm -f conftest* cat > conftest.$ac_ext <<_LT_EOF #ifdef __cplusplus extern "C" { #endif char nm_test_var; void nm_test_func(void); void nm_test_func(void){} #ifdef __cplusplus } #endif int main(){nm_test_var='a';nm_test_func();return(0);} _LT_EOF if AC_TRY_EVAL(ac_compile); then # Now try to grab the symbols. nlist=conftest.nm $ECHO "$as_me:$LINENO: $NM conftest.$ac_objext | $lt_cv_sys_global_symbol_pipe > $nlist" >&AS_MESSAGE_LOG_FD if eval "$NM" conftest.$ac_objext \| "$lt_cv_sys_global_symbol_pipe" \> $nlist 2>&AS_MESSAGE_LOG_FD && test -s "$nlist"; then # Try sorting and uniquifying the output. if sort "$nlist" | uniq > "$nlist"T; then mv -f "$nlist"T "$nlist" else rm -f "$nlist"T fi # Make sure that we snagged all the symbols we need. if $GREP ' nm_test_var$' "$nlist" >/dev/null; then if $GREP ' nm_test_func$' "$nlist" >/dev/null; then cat <<_LT_EOF > conftest.$ac_ext /* Keep this code in sync between libtool.m4, ltmain, lt_system.h, and tests. */ #if defined _WIN32 || defined __CYGWIN__ || defined _WIN32_WCE /* DATA imports from DLLs on WIN32 can't be const, because runtime relocations are performed -- see ld's documentation on pseudo-relocs. */ # define LT@&t@_DLSYM_CONST #elif defined __osf__ /* This system does not cope well with relocations in const data. */ # define LT@&t@_DLSYM_CONST #else # define LT@&t@_DLSYM_CONST const #endif #ifdef __cplusplus extern "C" { #endif _LT_EOF # Now generate the symbol file. eval "$lt_cv_sys_global_symbol_to_cdecl"' < "$nlist" | $GREP -v main >> conftest.$ac_ext' cat <<_LT_EOF >> conftest.$ac_ext /* The mapping between symbol names and symbols. */ LT@&t@_DLSYM_CONST struct { const char *name; void *address; } lt__PROGRAM__LTX_preloaded_symbols[[]] = { { "@PROGRAM@", (void *) 0 }, _LT_EOF $SED "s/^$symcode$symcode* .* \(.*\)$/ {\"\1\", (void *) \&\1},/" < "$nlist" | $GREP -v main >> conftest.$ac_ext cat <<\_LT_EOF >> conftest.$ac_ext {0, (void *) 0} }; /* This works around a problem in FreeBSD linker */ #ifdef FREEBSD_WORKAROUND static const void *lt_preloaded_setup() { return lt__PROGRAM__LTX_preloaded_symbols; } #endif #ifdef __cplusplus } #endif _LT_EOF # Now try linking the two files. mv conftest.$ac_objext conftstm.$ac_objext lt_globsym_save_LIBS=$LIBS lt_globsym_save_CFLAGS=$CFLAGS LIBS=conftstm.$ac_objext CFLAGS="$CFLAGS$_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)" if AC_TRY_EVAL(ac_link) && test -s conftest$ac_exeext; then pipe_works=yes fi LIBS=$lt_globsym_save_LIBS CFLAGS=$lt_globsym_save_CFLAGS else echo "cannot find nm_test_func in $nlist" >&AS_MESSAGE_LOG_FD fi else echo "cannot find nm_test_var in $nlist" >&AS_MESSAGE_LOG_FD fi else echo "cannot run $lt_cv_sys_global_symbol_pipe" >&AS_MESSAGE_LOG_FD fi else echo "$progname: failed program was:" >&AS_MESSAGE_LOG_FD cat conftest.$ac_ext >&5 fi rm -rf conftest* conftst* # Do not use the global_symbol_pipe unless it works. if test yes = "$pipe_works"; then break else lt_cv_sys_global_symbol_pipe= fi done ]) if test -z "$lt_cv_sys_global_symbol_pipe"; then lt_cv_sys_global_symbol_to_cdecl= fi if test -z "$lt_cv_sys_global_symbol_pipe$lt_cv_sys_global_symbol_to_cdecl"; then AC_MSG_RESULT(failed) else AC_MSG_RESULT(ok) fi # Response file support. if test "$lt_cv_nm_interface" = "MS dumpbin"; then nm_file_list_spec='@' elif $NM --help 2>/dev/null | grep '[[@]]FILE' >/dev/null; then nm_file_list_spec='@' fi _LT_DECL([global_symbol_pipe], [lt_cv_sys_global_symbol_pipe], [1], [Take the output of nm and produce a listing of raw symbols and C names]) _LT_DECL([global_symbol_to_cdecl], [lt_cv_sys_global_symbol_to_cdecl], [1], [Transform the output of nm in a proper C declaration]) _LT_DECL([global_symbol_to_import], [lt_cv_sys_global_symbol_to_import], [1], [Transform the output of nm into a list of symbols to manually relocate]) _LT_DECL([global_symbol_to_c_name_address], [lt_cv_sys_global_symbol_to_c_name_address], [1], [Transform the output of nm in a C name address pair]) _LT_DECL([global_symbol_to_c_name_address_lib_prefix], [lt_cv_sys_global_symbol_to_c_name_address_lib_prefix], [1], [Transform the output of nm in a C name address pair when lib prefix is needed]) _LT_DECL([nm_interface], [lt_cv_nm_interface], [1], [The name lister interface]) _LT_DECL([], [nm_file_list_spec], [1], [Specify filename containing input files for $NM]) ]) # _LT_CMD_GLOBAL_SYMBOLS # _LT_COMPILER_PIC([TAGNAME]) # --------------------------- m4_defun([_LT_COMPILER_PIC], [m4_require([_LT_TAG_COMPILER])dnl _LT_TAGVAR(lt_prog_compiler_wl, $1)= _LT_TAGVAR(lt_prog_compiler_pic, $1)= _LT_TAGVAR(lt_prog_compiler_static, $1)= m4_if([$1], [CXX], [ # C++ specific cases for pic, static, wl, etc. if test yes = "$GXX"; then _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' case $host_os in aix*) # All AIX code is PIC. if test ia64 = "$host_cpu"; then # AIX 5 now supports IA64 processor _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' fi _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; amigaos*) case $host_cpu in powerpc) # see comment about AmigaOS4 .so support _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; m68k) # FIXME: we need at least 68020 code to build shared libraries, but # adding the '-m68020' flag to GCC prevents building anything better, # like '-m68040'. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-m68020 -resident32 -malways-restore-a4' ;; esac ;; beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*) # PIC is the default for these OSes. ;; mingw* | cygwin* | os2* | pw32* | cegcc*) # This hack is so that the source file can tell whether it is being # built for inclusion in a dll (and should export symbols for example). # Although the cygwin gcc ignores -fPIC, still need this for old-style # (--disable-auto-import) libraries m4_if([$1], [GCJ], [], [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) case $host_os in os2*) _LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-static' ;; esac ;; darwin* | rhapsody*) # PIC is the default on this platform # Common symbols not allowed in MH_DYLIB files _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common' ;; *djgpp*) # DJGPP does not support shared libraries at all _LT_TAGVAR(lt_prog_compiler_pic, $1)= ;; haiku*) # PIC is the default for Haiku. # The "-static" flag exists, but is broken. _LT_TAGVAR(lt_prog_compiler_static, $1)= ;; interix[[3-9]]*) # Interix 3.x gcc -fpic/-fPIC options generate broken code. # Instead, we relocate shared libraries at runtime. ;; sysv4*MP*) if test -d /usr/nec; then _LT_TAGVAR(lt_prog_compiler_pic, $1)=-Kconform_pic fi ;; hpux*) # PIC is the default for 64-bit PA HP-UX, but not for 32-bit # PA HP-UX. On IA64 HP-UX, PIC is the default but the pic flag # sets the default TLS model and affects inlining. case $host_cpu in hppa*64*) ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; esac ;; *qnx* | *nto*) # QNX uses GNU C++, but need to define -shared option too, otherwise # it will coredump. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; esac else case $host_os in aix[[4-9]]*) # All AIX code is PIC. if test ia64 = "$host_cpu"; then # AIX 5 now supports IA64 processor _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' else _LT_TAGVAR(lt_prog_compiler_static, $1)='-bnso -bI:/lib/syscalls.exp' fi ;; chorus*) case $cc_basename in cxch68*) # Green Hills C++ Compiler # _LT_TAGVAR(lt_prog_compiler_static, $1)="--no_auto_instantiation -u __main -u __premain -u _abort -r $COOL_DIR/lib/libOrb.a $MVME_DIR/lib/CC/libC.a $MVME_DIR/lib/classix/libcx.s.a" ;; esac ;; mingw* | cygwin* | os2* | pw32* | cegcc*) # This hack is so that the source file can tell whether it is being # built for inclusion in a dll (and should export symbols for example). m4_if([$1], [GCJ], [], [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) ;; dgux*) case $cc_basename in ec++*) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' ;; ghcx*) # Green Hills C++ Compiler _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' ;; *) ;; esac ;; freebsd* | dragonfly* | midnightbsd*) # FreeBSD uses GNU C++ ;; hpux9* | hpux10* | hpux11*) case $cc_basename in CC*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-a ${wl}archive' if test ia64 != "$host_cpu"; then _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z' fi ;; aCC*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-a ${wl}archive' case $host_cpu in hppa*64*|ia64*) # +Z the default ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z' ;; esac ;; *) ;; esac ;; interix*) # This is c89, which is MS Visual C++ (no shared libs) # Anyone wants to do a port? ;; irix5* | irix6* | nonstopux*) case $cc_basename in CC*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' # CC pic flag -KPIC is the default. ;; *) ;; esac ;; linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) case $cc_basename in KCC*) # KAI C++ Compiler _LT_TAGVAR(lt_prog_compiler_wl, $1)='--backend -Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; ecpc* ) # old Intel C++ for x86_64, which still supported -KPIC. _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; icpc* ) # Intel C++, used to be incompatible with GCC. # ICC 10 doesn't accept -KPIC any more. _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; pgCC* | pgcpp*) # Portland Group C++ compiler _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; cxx*) # Compaq C++ # Make sure the PIC flag is empty. It appears that all Alpha # Linux and Compaq Tru64 Unix objects are PIC. _LT_TAGVAR(lt_prog_compiler_pic, $1)= _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' ;; xlc* | xlC* | bgxl[[cC]]* | mpixl[[cC]]*) # IBM XL 8.0, 9.0 on PPC and BlueGene _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-qpic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-qstaticlink' ;; *) case `$CC -V 2>&1 | $SED 5q` in *Sun\ C*) # Sun C++ 5.9 _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' ;; esac ;; esac ;; lynxos*) ;; m88k*) ;; mvs*) case $cc_basename in cxx*) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-W c,exportall' ;; *) ;; esac ;; netbsd* | netbsdelf*-gnu) ;; *qnx* | *nto*) # QNX uses GNU C++, but need to define -shared option too, otherwise # it will coredump. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' ;; osf3* | osf4* | osf5*) case $cc_basename in KCC*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='--backend -Wl,' ;; RCC*) # Rational C++ 2.4.1 _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' ;; cxx*) # Digital/Compaq C++ _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' # Make sure the PIC flag is empty. It appears that all Alpha # Linux and Compaq Tru64 Unix objects are PIC. _LT_TAGVAR(lt_prog_compiler_pic, $1)= _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' ;; *) ;; esac ;; psos*) ;; solaris*) case $cc_basename in CC* | sunCC*) # Sun C++ 4.2, 5.x and Centerline C++ _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' ;; gcx*) # Green Hills C++ Compiler _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC' ;; *) ;; esac ;; sunos4*) case $cc_basename in CC*) # Sun C++ 4.x _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; lcc*) # Lucid _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' ;; *) ;; esac ;; sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*) case $cc_basename in CC*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; esac ;; tandem*) case $cc_basename in NCC*) # NonStop-UX NCC 3.20 _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' ;; *) ;; esac ;; vxworks*) ;; *) _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no ;; esac fi ], [ if test yes = "$GCC"; then _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' case $host_os in aix*) # All AIX code is PIC. if test ia64 = "$host_cpu"; then # AIX 5 now supports IA64 processor _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' fi _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; amigaos*) case $host_cpu in powerpc) # see comment about AmigaOS4 .so support _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; m68k) # FIXME: we need at least 68020 code to build shared libraries, but # adding the '-m68020' flag to GCC prevents building anything better, # like '-m68040'. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-m68020 -resident32 -malways-restore-a4' ;; esac ;; beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*) # PIC is the default for these OSes. ;; mingw* | cygwin* | pw32* | os2* | cegcc*) # This hack is so that the source file can tell whether it is being # built for inclusion in a dll (and should export symbols for example). # Although the cygwin gcc ignores -fPIC, still need this for old-style # (--disable-auto-import) libraries m4_if([$1], [GCJ], [], [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) case $host_os in os2*) _LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-static' ;; esac ;; darwin* | rhapsody*) # PIC is the default on this platform # Common symbols not allowed in MH_DYLIB files _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common' ;; haiku*) # PIC is the default for Haiku. # The "-static" flag exists, but is broken. _LT_TAGVAR(lt_prog_compiler_static, $1)= ;; hpux*) # PIC is the default for 64-bit PA HP-UX, but not for 32-bit # PA HP-UX. On IA64 HP-UX, PIC is the default but the pic flag # sets the default TLS model and affects inlining. case $host_cpu in hppa*64*) # +Z the default ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; esac ;; interix[[3-9]]*) # Interix 3.x gcc -fpic/-fPIC options generate broken code. # Instead, we relocate shared libraries at runtime. ;; msdosdjgpp*) # Just because we use GCC doesn't mean we suddenly get shared libraries # on systems that don't support them. _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no enable_shared=no ;; *nto* | *qnx*) # QNX uses GNU C++, but need to define -shared option too, otherwise # it will coredump. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' ;; sysv4*MP*) if test -d /usr/nec; then _LT_TAGVAR(lt_prog_compiler_pic, $1)=-Kconform_pic fi ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; esac case $cc_basename in nvcc*) # Cuda Compiler Driver 2.2 _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Xlinker ' if test -n "$_LT_TAGVAR(lt_prog_compiler_pic, $1)"; then _LT_TAGVAR(lt_prog_compiler_pic, $1)="-Xcompiler $_LT_TAGVAR(lt_prog_compiler_pic, $1)" fi ;; esac else # PORTME Check for flag to pass linker flags through the system compiler. case $host_os in aix*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' if test ia64 = "$host_cpu"; then # AIX 5 now supports IA64 processor _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' else _LT_TAGVAR(lt_prog_compiler_static, $1)='-bnso -bI:/lib/syscalls.exp' fi ;; darwin* | rhapsody*) # PIC is the default on this platform # Common symbols not allowed in MH_DYLIB files _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common' case $cc_basename in nagfor*) # NAG Fortran compiler _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,-Wl,,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; esac ;; mingw* | cygwin* | pw32* | os2* | cegcc*) # This hack is so that the source file can tell whether it is being # built for inclusion in a dll (and should export symbols for example). m4_if([$1], [GCJ], [], [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) case $host_os in os2*) _LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-static' ;; esac ;; hpux9* | hpux10* | hpux11*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' # PIC is the default for IA64 HP-UX and 64-bit HP-UX, but # not for PA HP-UX. case $host_cpu in hppa*64*|ia64*) # +Z the default ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z' ;; esac # Is there a better lt_prog_compiler_static that works with the bundled CC? _LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-a ${wl}archive' ;; irix5* | irix6* | nonstopux*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' # PIC (with -KPIC) is the default. _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' ;; linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) case $cc_basename in # old Intel for x86_64, which still supported -KPIC. ecc*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; # flang / f18. f95 an alias for gfortran or flang on Debian flang* | f18* | f95*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; # icc used to be incompatible with GCC. # ICC 10 doesn't accept -KPIC any more. icc* | ifort*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; # Lahey Fortran 8.1. lf95*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='--shared' _LT_TAGVAR(lt_prog_compiler_static, $1)='--static' ;; nagfor*) # NAG Fortran compiler _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,-Wl,,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; tcc*) # Fabrice Bellard et al's Tiny C Compiler _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; pgcc* | pgf77* | pgf90* | pgf95* | pgfortran*) # Portland Group compilers (*not* the Pentium gcc compiler, # which looks to be a dead project) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; ccc*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' # All Alpha code is PIC. _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' ;; xl* | bgxl* | bgf* | mpixl*) # IBM XL C 8.0/Fortran 10.1, 11.1 on PPC and BlueGene _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-qpic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-qstaticlink' ;; *) case `$CC -V 2>&1 | $SED 5q` in *Sun\ Ceres\ Fortran* | *Sun*Fortran*\ [[1-7]].* | *Sun*Fortran*\ 8.[[0-3]]*) # Sun Fortran 8.3 passes all unrecognized flags to the linker _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' _LT_TAGVAR(lt_prog_compiler_wl, $1)='' ;; *Sun\ F* | *Sun*Fortran*) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' ;; *Sun\ C*) # Sun C 5.9 _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' ;; 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*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,';; esac ;; sunos4*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; sysv4 | sysv4.2uw2* | sysv4.3*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; sysv4*MP*) if test -d /usr/nec; then _LT_TAGVAR(lt_prog_compiler_pic, $1)='-Kconform_pic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' fi ;; sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; unicos*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no ;; uts4*) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; *) _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no ;; esac fi ]) case $host_os in # For platforms that do not support PIC, -DPIC is meaningless: *djgpp*) _LT_TAGVAR(lt_prog_compiler_pic, $1)= ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)="$_LT_TAGVAR(lt_prog_compiler_pic, $1)@&t@m4_if([$1],[],[ -DPIC],[m4_if([$1],[CXX],[ -DPIC],[])])" ;; esac AC_CACHE_CHECK([for $compiler option to produce PIC], [_LT_TAGVAR(lt_cv_prog_compiler_pic, $1)], [_LT_TAGVAR(lt_cv_prog_compiler_pic, $1)=$_LT_TAGVAR(lt_prog_compiler_pic, $1)]) _LT_TAGVAR(lt_prog_compiler_pic, $1)=$_LT_TAGVAR(lt_cv_prog_compiler_pic, $1) # # Check to make sure the PIC flag actually works. # if test -n "$_LT_TAGVAR(lt_prog_compiler_pic, $1)"; then _LT_COMPILER_OPTION([if $compiler PIC flag $_LT_TAGVAR(lt_prog_compiler_pic, $1) works], [_LT_TAGVAR(lt_cv_prog_compiler_pic_works, $1)], [$_LT_TAGVAR(lt_prog_compiler_pic, $1)@&t@m4_if([$1],[],[ -DPIC],[m4_if([$1],[CXX],[ -DPIC],[])])], [], [case $_LT_TAGVAR(lt_prog_compiler_pic, $1) in "" | " "*) ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)=" $_LT_TAGVAR(lt_prog_compiler_pic, $1)" ;; esac], [_LT_TAGVAR(lt_prog_compiler_pic, $1)= _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no]) fi _LT_TAGDECL([pic_flag], [lt_prog_compiler_pic], [1], [Additional compiler flags for building library objects]) _LT_TAGDECL([wl], [lt_prog_compiler_wl], [1], [How to pass a linker flag through the compiler]) # # Check to make sure the static flag actually works. # wl=$_LT_TAGVAR(lt_prog_compiler_wl, $1) eval lt_tmp_static_flag=\"$_LT_TAGVAR(lt_prog_compiler_static, $1)\" _LT_LINKER_OPTION([if $compiler static flag $lt_tmp_static_flag works], _LT_TAGVAR(lt_cv_prog_compiler_static_works, $1), $lt_tmp_static_flag, [], [_LT_TAGVAR(lt_prog_compiler_static, $1)=]) _LT_TAGDECL([link_static_flag], [lt_prog_compiler_static], [1], [Compiler flag to prevent dynamic linking]) ])# _LT_COMPILER_PIC # _LT_LINKER_SHLIBS([TAGNAME]) # ---------------------------- # See if the linker supports building shared libraries. m4_defun([_LT_LINKER_SHLIBS], [AC_REQUIRE([LT_PATH_LD])dnl AC_REQUIRE([LT_PATH_NM])dnl m4_require([_LT_PATH_MANIFEST_TOOL])dnl m4_require([_LT_FILEUTILS_DEFAULTS])dnl m4_require([_LT_DECL_EGREP])dnl m4_require([_LT_DECL_SED])dnl m4_require([_LT_CMD_GLOBAL_SYMBOLS])dnl m4_require([_LT_TAG_COMPILER])dnl AC_MSG_CHECKING([whether the $compiler linker ($LD) supports shared libraries]) m4_if([$1], [CXX], [ _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols' _LT_TAGVAR(exclude_expsyms, $1)=['_GLOBAL_OFFSET_TABLE_|_GLOBAL__F[ID]_.*'] case $host_os in aix[[4-9]]*) # If we're using GNU nm, then we don't want the "-C" option. # -C means demangle to GNU nm, but means don't demangle to AIX nm. # Without the "-l" option, or with the "-B" option, AIX nm treats # weak defined symbols like other global defined symbols, whereas # GNU nm marks them as "W". # While the 'weak' keyword is ignored in the Export File, we need # it in the Import File for the 'aix-soname' feature, so we have # to replace the "-B" option with "-P" for AIX nm. if $NM -V 2>&1 | $GREP 'GNU' > /dev/null; 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then _LT_TAGVAR(hardcode_direct, $1)=yes _LT_TAGVAR(hardcode_shlibpath_var, $1)=no _LT_TAGVAR(hardcode_direct_absolute, $1)=yes if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`"; then _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags $wl-retain-symbols-file,$export_symbols' _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath,$libdir' _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-E' else _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath,$libdir' fi else _LT_TAGVAR(ld_shlibs, $1)=no fi ;; os2*) _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' _LT_TAGVAR(hardcode_minus_L, $1)=yes _LT_TAGVAR(allow_undefined_flag, $1)=unsupported shrext_cmds=.dll _LT_TAGVAR(archive_cmds, $1)='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~ $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~ $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~ $ECHO EXPORTS >> $output_objdir/$libname.def~ emxexp $libobjs | $SED /"_DLL_InitTerm"/d >> $output_objdir/$libname.def~ $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~ emximp -o $lib $output_objdir/$libname.def' _LT_TAGVAR(archive_expsym_cmds, $1)='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~ $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~ $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~ $ECHO EXPORTS >> $output_objdir/$libname.def~ prefix_cmds="$SED"~ if test EXPORTS = "`$SED 1q $export_symbols`"; then prefix_cmds="$prefix_cmds -e 1d"; fi~ prefix_cmds="$prefix_cmds -e \"s/^\(.*\)$/_\1/g\""~ cat $export_symbols | $prefix_cmds >> $output_objdir/$libname.def~ $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~ emximp -o $lib $output_objdir/$libname.def' _LT_TAGVAR(old_archive_From_new_cmds, $1)='emximp -o $output_objdir/${libname}_dll.a $output_objdir/$libname.def' _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes _LT_TAGVAR(file_list_spec, $1)='@' ;; osf3*) if test yes = "$GCC"; then _LT_TAGVAR(allow_undefined_flag, $1)=' $wl-expect_unresolved $wl\*' _LT_TAGVAR(archive_cmds, $1)='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib' else _LT_TAGVAR(allow_undefined_flag, $1)=' -expect_unresolved \*' _LT_TAGVAR(archive_cmds, $1)='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib' fi _LT_TAGVAR(archive_cmds_need_lc, $1)='no' _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir' _LT_TAGVAR(hardcode_libdir_separator, $1)=: ;; osf4* | osf5*) # as osf3* with the addition of -msym flag if test yes = "$GCC"; then _LT_TAGVAR(allow_undefined_flag, $1)=' $wl-expect_unresolved $wl\*' _LT_TAGVAR(archive_cmds, $1)='$CC -shared$allow_undefined_flag $pic_flag $libobjs $deplibs $compiler_flags $wl-msym $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib' _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir' else _LT_TAGVAR(allow_undefined_flag, $1)=' -expect_unresolved \*' _LT_TAGVAR(archive_cmds, $1)='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags -msym -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib' _LT_TAGVAR(archive_expsym_cmds, $1)='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done; printf "%s\\n" "-hidden">> $lib.exp~ $CC -shared$allow_undefined_flag $wl-input $wl$lib.exp $compiler_flags $libobjs $deplibs -soname $soname `test -n "$verstring" && $ECHO "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib~$RM $lib.exp' # Both c and cxx compiler support -rpath directly _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-rpath $libdir' fi _LT_TAGVAR(archive_cmds_need_lc, $1)='no' _LT_TAGVAR(hardcode_libdir_separator, $1)=: ;; solaris*) _LT_TAGVAR(no_undefined_flag, $1)=' -z defs' if test yes = "$GCC"; then wlarc='$wl' _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $wl-z ${wl}text $wl-h $wl$soname -o $lib $libobjs $deplibs $compiler_flags' _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ $CC -shared $pic_flag $wl-z ${wl}text $wl-M $wl$lib.exp $wl-h $wl$soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp' else case `$CC -V 2>&1` in *"Compilers 5.0"*) wlarc='' _LT_TAGVAR(archive_cmds, $1)='$LD -G$allow_undefined_flag -h $soname -o $lib $libobjs $deplibs $linker_flags' _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ $LD -G$allow_undefined_flag -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$RM $lib.exp' ;; *) wlarc='$wl' _LT_TAGVAR(archive_cmds, $1)='$CC -G$allow_undefined_flag -h $soname -o $lib $libobjs $deplibs $compiler_flags' _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ $CC -G$allow_undefined_flag -M $lib.exp -h $soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp' ;; esac fi _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir' _LT_TAGVAR(hardcode_shlibpath_var, $1)=no case $host_os in solaris2.[[0-5]] | solaris2.[[0-5]].*) ;; *) # The compiler driver will combine and reorder linker options, # but understands '-z linker_flag'. GCC discards it without '$wl', # but is careful enough not to reorder. # Supported since Solaris 2.6 (maybe 2.5.1?) if test yes = "$GCC"; then _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl-z ${wl}allextract$convenience $wl-z ${wl}defaultextract' else _LT_TAGVAR(whole_archive_flag_spec, $1)='-z allextract$convenience -z defaultextract' fi ;; esac _LT_TAGVAR(link_all_deplibs, $1)=yes ;; sunos4*) if test sequent = "$host_vendor"; then # Use $CC to link under sequent, because it throws in some extra .o # files that make .init and .fini sections work. _LT_TAGVAR(archive_cmds, $1)='$CC -G $wl-h $soname -o $lib $libobjs $deplibs $compiler_flags' else _LT_TAGVAR(archive_cmds, $1)='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linker_flags' fi _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' _LT_TAGVAR(hardcode_direct, $1)=yes _LT_TAGVAR(hardcode_minus_L, $1)=yes _LT_TAGVAR(hardcode_shlibpath_var, $1)=no ;; sysv4) case $host_vendor in sni) _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' _LT_TAGVAR(hardcode_direct, $1)=yes # is this really true??? ;; siemens) ## LD is ld it makes a PLAMLIB ## CC just makes a GrossModule. _LT_TAGVAR(archive_cmds, $1)='$LD -G -o $lib $libobjs $deplibs $linker_flags' _LT_TAGVAR(reload_cmds, $1)='$CC -r -o $output$reload_objs' _LT_TAGVAR(hardcode_direct, $1)=no ;; motorola) _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' _LT_TAGVAR(hardcode_direct, $1)=no #Motorola manual says yes, but my tests say they lie ;; esac runpath_var='LD_RUN_PATH' _LT_TAGVAR(hardcode_shlibpath_var, $1)=no ;; sysv4.3*) _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' _LT_TAGVAR(hardcode_shlibpath_var, $1)=no _LT_TAGVAR(export_dynamic_flag_spec, $1)='-Bexport' ;; sysv4*MP*) if test -d /usr/nec; then _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' _LT_TAGVAR(hardcode_shlibpath_var, $1)=no runpath_var=LD_RUN_PATH hardcode_runpath_var=yes _LT_TAGVAR(ld_shlibs, $1)=yes fi ;; sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[[01]].[[10]]* | unixware7* | sco3.2v5.0.[[024]]*) _LT_TAGVAR(no_undefined_flag, $1)='$wl-z,text' _LT_TAGVAR(archive_cmds_need_lc, $1)=no _LT_TAGVAR(hardcode_shlibpath_var, $1)=no runpath_var='LD_RUN_PATH' if test yes = "$GCC"; then _LT_TAGVAR(archive_cmds, $1)='$CC -shared $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' else _LT_TAGVAR(archive_cmds, $1)='$CC -G $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' fi ;; sysv5* | sco3.2v5* | sco5v6*) # Note: We CANNOT use -z defs as we might desire, because we do not # link with -lc, and that would cause any symbols used from libc to # always be unresolved, which means just about no library would # ever link correctly. If we're not using GNU ld we use -z text # though, which does catch some bad symbols but isn't as heavy-handed # as -z defs. _LT_TAGVAR(no_undefined_flag, $1)='$wl-z,text' _LT_TAGVAR(allow_undefined_flag, $1)='$wl-z,nodefs' _LT_TAGVAR(archive_cmds_need_lc, $1)=no _LT_TAGVAR(hardcode_shlibpath_var, $1)=no _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-R,$libdir' _LT_TAGVAR(hardcode_libdir_separator, $1)=':' _LT_TAGVAR(link_all_deplibs, $1)=yes _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-Bexport' runpath_var='LD_RUN_PATH' if test yes = "$GCC"; then _LT_TAGVAR(archive_cmds, $1)='$CC -shared $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' else _LT_TAGVAR(archive_cmds, $1)='$CC -G $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' fi ;; uts4*) _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' _LT_TAGVAR(hardcode_shlibpath_var, $1)=no ;; *) _LT_TAGVAR(ld_shlibs, $1)=no ;; esac if test sni = "$host_vendor"; then case $host in sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*) _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-Blargedynsym' ;; esac fi fi ]) AC_MSG_RESULT([$_LT_TAGVAR(ld_shlibs, $1)]) test no = "$_LT_TAGVAR(ld_shlibs, $1)" && can_build_shared=no _LT_TAGVAR(with_gnu_ld, $1)=$with_gnu_ld _LT_DECL([], [libext], [0], [Old archive suffix (normally "a")])dnl _LT_DECL([], [shrext_cmds], [1], [Shared library suffix (normally ".so")])dnl _LT_DECL([], [extract_expsyms_cmds], [2], [The commands to extract the exported symbol list from a shared archive]) # # Do we need to explicitly link libc? # case "x$_LT_TAGVAR(archive_cmds_need_lc, $1)" in x|xyes) # Assume -lc should be added _LT_TAGVAR(archive_cmds_need_lc, $1)=yes if test yes,yes = "$GCC,$enable_shared"; then case $_LT_TAGVAR(archive_cmds, $1) in *'~'*) # FIXME: we may have to deal with multi-command sequences. ;; '$CC '*) # Test whether the compiler implicitly links with -lc since on some # systems, -lgcc has to come before -lc. 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Vaughan, 2004 # # This file is free software; the Free Software Foundation gives # unlimited permission to copy and/or distribute it, with or without # modifications, as long as this notice is preserved. # serial 8 ltoptions.m4 # This is to help aclocal find these macros, as it can't see m4_define. AC_DEFUN([LTOPTIONS_VERSION], [m4_if([1])]) # _LT_MANGLE_OPTION(MACRO-NAME, OPTION-NAME) # ------------------------------------------ m4_define([_LT_MANGLE_OPTION], [[_LT_OPTION_]m4_bpatsubst($1__$2, [[^a-zA-Z0-9_]], [_])]) # _LT_SET_OPTION(MACRO-NAME, OPTION-NAME) # --------------------------------------- # Set option OPTION-NAME for macro MACRO-NAME, and if there is a # matching handler defined, dispatch to it. Other OPTION-NAMEs are # saved as a flag. m4_define([_LT_SET_OPTION], [m4_define(_LT_MANGLE_OPTION([$1], [$2]))dnl m4_ifdef(_LT_MANGLE_DEFUN([$1], [$2]), _LT_MANGLE_DEFUN([$1], [$2]), [m4_warning([Unknown $1 option '$2'])])[]dnl ]) # _LT_IF_OPTION(MACRO-NAME, OPTION-NAME, IF-SET, [IF-NOT-SET]) # ------------------------------------------------------------ # Execute IF-SET if OPTION is set, IF-NOT-SET otherwise. m4_define([_LT_IF_OPTION], [m4_ifdef(_LT_MANGLE_OPTION([$1], [$2]), [$3], [$4])]) # _LT_UNLESS_OPTIONS(MACRO-NAME, OPTION-LIST, IF-NOT-SET) # ------------------------------------------------------- # Execute IF-NOT-SET unless all options in OPTION-LIST for MACRO-NAME # are set. m4_define([_LT_UNLESS_OPTIONS], [m4_foreach([_LT_Option], m4_split(m4_normalize([$2])), [m4_ifdef(_LT_MANGLE_OPTION([$1], _LT_Option), [m4_define([$0_found])])])[]dnl m4_ifdef([$0_found], [m4_undefine([$0_found])], [$3 ])[]dnl ]) # _LT_SET_OPTIONS(MACRO-NAME, OPTION-LIST) # ---------------------------------------- # OPTION-LIST is a space-separated list of Libtool options associated # with MACRO-NAME. If any OPTION has a matching handler declared with # LT_OPTION_DEFINE, dispatch to that macro; otherwise complain about # the unknown option and exit. m4_defun([_LT_SET_OPTIONS], [# Set options m4_foreach([_LT_Option], m4_split(m4_normalize([$2])), [_LT_SET_OPTION([$1], _LT_Option)]) m4_if([$1],[LT_INIT],[ dnl dnl Simply set some default values (i.e off) if boolean options were not dnl specified: _LT_UNLESS_OPTIONS([LT_INIT], [dlopen], [enable_dlopen=no ]) _LT_UNLESS_OPTIONS([LT_INIT], [win32-dll], [enable_win32_dll=no ]) dnl dnl If no reference was made to various pairs of opposing options, then dnl we run the default mode handler for the pair. For example, if neither dnl 'shared' nor 'disable-shared' was passed, we enable building of shared dnl archives by default: _LT_UNLESS_OPTIONS([LT_INIT], [shared disable-shared], [_LT_ENABLE_SHARED]) _LT_UNLESS_OPTIONS([LT_INIT], [static disable-static], [_LT_ENABLE_STATIC]) _LT_UNLESS_OPTIONS([LT_INIT], [pic-only no-pic], [_LT_WITH_PIC]) _LT_UNLESS_OPTIONS([LT_INIT], [fast-install disable-fast-install], [_LT_ENABLE_FAST_INSTALL]) _LT_UNLESS_OPTIONS([LT_INIT], [aix-soname=aix aix-soname=both aix-soname=svr4], [_LT_WITH_AIX_SONAME([aix])]) ]) ])# _LT_SET_OPTIONS ## --------------------------------- ## ## Macros to handle LT_INIT options. ## ## --------------------------------- ## # _LT_MANGLE_DEFUN(MACRO-NAME, OPTION-NAME) # ----------------------------------------- m4_define([_LT_MANGLE_DEFUN], [[_LT_OPTION_DEFUN_]m4_bpatsubst(m4_toupper([$1__$2]), [[^A-Z0-9_]], [_])]) # LT_OPTION_DEFINE(MACRO-NAME, OPTION-NAME, CODE) # ----------------------------------------------- m4_define([LT_OPTION_DEFINE], [m4_define(_LT_MANGLE_DEFUN([$1], [$2]), [$3])[]dnl ])# LT_OPTION_DEFINE # dlopen # ------ LT_OPTION_DEFINE([LT_INIT], [dlopen], [enable_dlopen=yes ]) AU_DEFUN([AC_LIBTOOL_DLOPEN], [_LT_SET_OPTION([LT_INIT], [dlopen]) AC_DIAGNOSE([obsolete], [$0: Remove this warning and the call to _LT_SET_OPTION when you put the 'dlopen' option into LT_INIT's first parameter.]) ]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AC_LIBTOOL_DLOPEN], []) # win32-dll # --------- # Declare package support for building win32 dll's. LT_OPTION_DEFINE([LT_INIT], [win32-dll], [enable_win32_dll=yes case $host in *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-cegcc*) AC_CHECK_TOOL(AS, as, false) AC_CHECK_TOOL(DLLTOOL, dlltool, false) AC_CHECK_TOOL(OBJDUMP, objdump, false) ;; esac test -z "$AS" && AS=as _LT_DECL([], [AS], [1], [Assembler program])dnl test -z "$DLLTOOL" && DLLTOOL=dlltool _LT_DECL([], [DLLTOOL], [1], [DLL creation program])dnl test -z "$OBJDUMP" && OBJDUMP=objdump _LT_DECL([], [OBJDUMP], [1], [Object dumper program])dnl ])# win32-dll AU_DEFUN([AC_LIBTOOL_WIN32_DLL], [AC_REQUIRE([AC_CANONICAL_HOST])dnl _LT_SET_OPTION([LT_INIT], [win32-dll]) AC_DIAGNOSE([obsolete], [$0: Remove this warning and the call to _LT_SET_OPTION when you put the 'win32-dll' option into LT_INIT's first parameter.]) ]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AC_LIBTOOL_WIN32_DLL], []) # _LT_ENABLE_SHARED([DEFAULT]) # ---------------------------- # implement the --enable-shared flag, and supports the 'shared' and # 'disable-shared' LT_INIT options. # DEFAULT is either 'yes' or 'no'. If omitted, it defaults to 'yes'. m4_define([_LT_ENABLE_SHARED], [m4_define([_LT_ENABLE_SHARED_DEFAULT], [m4_if($1, no, no, yes)])dnl AC_ARG_ENABLE([shared], [AS_HELP_STRING([--enable-shared@<:@=PKGS@:>@], [build shared libraries @<:@default=]_LT_ENABLE_SHARED_DEFAULT[@:>@])], [p=${PACKAGE-default} case $enableval in yes) enable_shared=yes ;; no) enable_shared=no ;; *) enable_shared=no # Look at the argument we got. We use all the common list separators. lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR, for pkg in $enableval; do IFS=$lt_save_ifs if test "X$pkg" = "X$p"; then enable_shared=yes fi done IFS=$lt_save_ifs ;; esac], [enable_shared=]_LT_ENABLE_SHARED_DEFAULT) _LT_DECL([build_libtool_libs], [enable_shared], [0], [Whether or not to build shared libraries]) ])# _LT_ENABLE_SHARED LT_OPTION_DEFINE([LT_INIT], [shared], [_LT_ENABLE_SHARED([yes])]) LT_OPTION_DEFINE([LT_INIT], [disable-shared], [_LT_ENABLE_SHARED([no])]) # Old names: AC_DEFUN([AC_ENABLE_SHARED], [_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[shared]) ]) AC_DEFUN([AC_DISABLE_SHARED], [_LT_SET_OPTION([LT_INIT], [disable-shared]) ]) AU_DEFUN([AM_ENABLE_SHARED], [AC_ENABLE_SHARED($@)]) AU_DEFUN([AM_DISABLE_SHARED], [AC_DISABLE_SHARED($@)]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AM_ENABLE_SHARED], []) dnl AC_DEFUN([AM_DISABLE_SHARED], []) # _LT_ENABLE_STATIC([DEFAULT]) # ---------------------------- # implement the --enable-static flag, and support the 'static' and # 'disable-static' LT_INIT options. # DEFAULT is either 'yes' or 'no'. If omitted, it defaults to 'yes'. m4_define([_LT_ENABLE_STATIC], [m4_define([_LT_ENABLE_STATIC_DEFAULT], [m4_if($1, no, no, yes)])dnl AC_ARG_ENABLE([static], [AS_HELP_STRING([--enable-static@<:@=PKGS@:>@], [build static libraries @<:@default=]_LT_ENABLE_STATIC_DEFAULT[@:>@])], [p=${PACKAGE-default} case $enableval in yes) enable_static=yes ;; no) enable_static=no ;; *) enable_static=no # Look at the argument we got. We use all the common list separators. lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR, for pkg in $enableval; do IFS=$lt_save_ifs if test "X$pkg" = "X$p"; then enable_static=yes fi done IFS=$lt_save_ifs ;; esac], [enable_static=]_LT_ENABLE_STATIC_DEFAULT) _LT_DECL([build_old_libs], [enable_static], [0], [Whether or not to build static libraries]) ])# _LT_ENABLE_STATIC LT_OPTION_DEFINE([LT_INIT], [static], [_LT_ENABLE_STATIC([yes])]) LT_OPTION_DEFINE([LT_INIT], [disable-static], [_LT_ENABLE_STATIC([no])]) # Old names: AC_DEFUN([AC_ENABLE_STATIC], [_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[static]) ]) AC_DEFUN([AC_DISABLE_STATIC], [_LT_SET_OPTION([LT_INIT], [disable-static]) ]) AU_DEFUN([AM_ENABLE_STATIC], [AC_ENABLE_STATIC($@)]) AU_DEFUN([AM_DISABLE_STATIC], [AC_DISABLE_STATIC($@)]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AM_ENABLE_STATIC], []) dnl AC_DEFUN([AM_DISABLE_STATIC], []) # _LT_ENABLE_FAST_INSTALL([DEFAULT]) # ---------------------------------- # implement the --enable-fast-install flag, and support the 'fast-install' # and 'disable-fast-install' LT_INIT options. # DEFAULT is either 'yes' or 'no'. If omitted, it defaults to 'yes'. m4_define([_LT_ENABLE_FAST_INSTALL], [m4_define([_LT_ENABLE_FAST_INSTALL_DEFAULT], [m4_if($1, no, no, yes)])dnl AC_ARG_ENABLE([fast-install], [AS_HELP_STRING([--enable-fast-install@<:@=PKGS@:>@], [optimize for fast installation @<:@default=]_LT_ENABLE_FAST_INSTALL_DEFAULT[@:>@])], [p=${PACKAGE-default} case $enableval in yes) enable_fast_install=yes ;; no) enable_fast_install=no ;; *) enable_fast_install=no # Look at the argument we got. We use all the common list separators. lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR, for pkg in $enableval; do IFS=$lt_save_ifs if test "X$pkg" = "X$p"; then enable_fast_install=yes fi done IFS=$lt_save_ifs ;; esac], [enable_fast_install=]_LT_ENABLE_FAST_INSTALL_DEFAULT) _LT_DECL([fast_install], [enable_fast_install], [0], [Whether or not to optimize for fast installation])dnl ])# _LT_ENABLE_FAST_INSTALL LT_OPTION_DEFINE([LT_INIT], [fast-install], [_LT_ENABLE_FAST_INSTALL([yes])]) LT_OPTION_DEFINE([LT_INIT], [disable-fast-install], [_LT_ENABLE_FAST_INSTALL([no])]) # Old names: AU_DEFUN([AC_ENABLE_FAST_INSTALL], [_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[fast-install]) AC_DIAGNOSE([obsolete], [$0: Remove this warning and the call to _LT_SET_OPTION when you put the 'fast-install' option into LT_INIT's first parameter.]) ]) AU_DEFUN([AC_DISABLE_FAST_INSTALL], [_LT_SET_OPTION([LT_INIT], [disable-fast-install]) AC_DIAGNOSE([obsolete], [$0: Remove this warning and the call to _LT_SET_OPTION when you put the 'disable-fast-install' option into LT_INIT's first parameter.]) ]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AC_ENABLE_FAST_INSTALL], []) dnl AC_DEFUN([AM_DISABLE_FAST_INSTALL], []) # _LT_WITH_AIX_SONAME([DEFAULT]) # ---------------------------------- # implement the --with-aix-soname flag, and support the `aix-soname=aix' # and `aix-soname=both' and `aix-soname=svr4' LT_INIT options. DEFAULT # is either `aix', `both' or `svr4'. 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If omitted, it defaults to 'both'. m4_define([_LT_WITH_PIC], [AC_ARG_WITH([pic], [AS_HELP_STRING([--with-pic@<:@=PKGS@:>@], [try to use only PIC/non-PIC objects @<:@default=use both@:>@])], [lt_p=${PACKAGE-default} case $withval in yes|no) pic_mode=$withval ;; *) pic_mode=default # Look at the argument we got. We use all the common list separators. lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR, for lt_pkg in $withval; do IFS=$lt_save_ifs if test "X$lt_pkg" = "X$lt_p"; then pic_mode=yes fi done IFS=$lt_save_ifs ;; esac], [pic_mode=m4_default([$1], [default])]) _LT_DECL([], [pic_mode], [0], [What type of objects to build])dnl ])# _LT_WITH_PIC LT_OPTION_DEFINE([LT_INIT], [pic-only], [_LT_WITH_PIC([yes])]) LT_OPTION_DEFINE([LT_INIT], [no-pic], [_LT_WITH_PIC([no])]) # Old name: AU_DEFUN([AC_LIBTOOL_PICMODE], [_LT_SET_OPTION([LT_INIT], [pic-only]) AC_DIAGNOSE([obsolete], [$0: Remove this warning and the call to _LT_SET_OPTION when you put the 'pic-only' option into LT_INIT's first parameter.]) ]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AC_LIBTOOL_PICMODE], []) ## ----------------- ## ## LTDL_INIT Options ## ## ----------------- ## m4_define([_LTDL_MODE], []) LT_OPTION_DEFINE([LTDL_INIT], [nonrecursive], [m4_define([_LTDL_MODE], [nonrecursive])]) LT_OPTION_DEFINE([LTDL_INIT], [recursive], [m4_define([_LTDL_MODE], [recursive])]) LT_OPTION_DEFINE([LTDL_INIT], [subproject], [m4_define([_LTDL_MODE], [subproject])]) m4_define([_LTDL_TYPE], []) LT_OPTION_DEFINE([LTDL_INIT], [installable], [m4_define([_LTDL_TYPE], [installable])]) LT_OPTION_DEFINE([LTDL_INIT], [convenience], [m4_define([_LTDL_TYPE], [convenience])]) movit-1.7.1/m4/ltsugar.m40000644000175000017500000001045314462263705014163 0ustar sessesesse# ltsugar.m4 -- libtool m4 base layer. -*-Autoconf-*- # # Copyright (C) 2004-2005, 2007-2008, 2011-2019, 2021-2022 Free Software # Foundation, Inc. # Written by Gary V. Vaughan, 2004 # # This file is free software; the Free Software Foundation gives # unlimited permission to copy and/or distribute it, with or without # modifications, as long as this notice is preserved. # serial 6 ltsugar.m4 # This is to help aclocal find these macros, as it can't see m4_define. AC_DEFUN([LTSUGAR_VERSION], [m4_if([0.1])]) # lt_join(SEP, ARG1, [ARG2...]) # ----------------------------- # Produce ARG1SEPARG2...SEPARGn, omitting [] arguments and their # associated separator. # Needed until we can rely on m4_join from Autoconf 2.62, since all earlier # versions in m4sugar had bugs. m4_define([lt_join], [m4_if([$#], [1], [], [$#], [2], [[$2]], [m4_if([$2], [], [], [[$2]_])$0([$1], m4_shift(m4_shift($@)))])]) m4_define([_lt_join], [m4_if([$#$2], [2], [], [m4_if([$2], [], [], [[$1$2]])$0([$1], m4_shift(m4_shift($@)))])]) # lt_car(LIST) # lt_cdr(LIST) # ------------ # Manipulate m4 lists. # These macros are necessary as long as will still need to support # Autoconf-2.59, which quotes differently. m4_define([lt_car], [[$1]]) m4_define([lt_cdr], [m4_if([$#], 0, [m4_fatal([$0: cannot be called without arguments])], [$#], 1, [], [m4_dquote(m4_shift($@))])]) m4_define([lt_unquote], $1) # lt_append(MACRO-NAME, STRING, [SEPARATOR]) # ------------------------------------------ # Redefine MACRO-NAME to hold its former content plus 'SEPARATOR''STRING'. # Note that neither SEPARATOR nor STRING are expanded; they are appended # to MACRO-NAME as is (leaving the expansion for when MACRO-NAME is invoked). # No SEPARATOR is output if MACRO-NAME was previously undefined (different # than defined and empty). # # This macro is needed until we can rely on Autoconf 2.62, since earlier # versions of m4sugar mistakenly expanded SEPARATOR but not STRING. m4_define([lt_append], [m4_define([$1], m4_ifdef([$1], [m4_defn([$1])[$3]])[$2])]) # lt_combine(SEP, PREFIX-LIST, INFIX, SUFFIX1, [SUFFIX2...]) # ---------------------------------------------------------- # Produce a SEP delimited list of all paired combinations of elements of # PREFIX-LIST with SUFFIX1 through SUFFIXn. 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"$ac_site_file" \ || { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;} as_fn_error $? "failed to load site script $ac_site_file See \`config.log' for more details" "$LINENO" 5; } fi done if test -r "$cache_file"; then # Some versions of bash will fail to source /dev/null (special files # actually), so we avoid doing that. DJGPP emulates it as a regular file. if test /dev/null != "$cache_file" && test -f "$cache_file"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: loading cache $cache_file" >&5 printf "%s\n" "$as_me: loading cache $cache_file" >&6;} case $cache_file in [\\/]* | ?:[\\/]* ) . "$cache_file";; *) . "./$cache_file";; esac fi else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: creating cache $cache_file" >&5 printf "%s\n" "$as_me: creating cache $cache_file" >&6;} >$cache_file fi # Test code for whether the C compiler supports C89 (global declarations) ac_c_conftest_c89_globals=' /* Does the compiler advertise C89 conformance? Do not test the value of __STDC__, because some compilers set it to 0 while being otherwise adequately conformant. */ #if !defined __STDC__ # error "Compiler does not advertise C89 conformance" #endif #include #include struct stat; /* Most of the following tests are stolen from RCS 5.7 src/conf.sh. */ struct buf { int x; }; struct buf * (*rcsopen) (struct buf *, struct stat *, int); static char *e (p, i) char **p; int i; { return p[i]; } static char *f (char * (*g) (char **, int), char **p, ...) { char *s; va_list v; va_start (v,p); s = g (p, va_arg (v,int)); va_end (v); return s; } /* OSF 4.0 Compaq cc is some sort of almost-ANSI by default. It has function prototypes and stuff, but not \xHH hex character constants. These do not provoke an error unfortunately, instead are silently treated as an "x". The following induces an error, until -std is added to get proper ANSI mode. Curiously \x00 != x always comes out true, for an array size at least. It is necessary to write \x00 == 0 to get something that is true only with -std. */ int osf4_cc_array ['\''\x00'\'' == 0 ? 1 : -1]; /* IBM C 6 for AIX is almost-ANSI by default, but it replaces macro parameters inside strings and character constants. */ #define FOO(x) '\''x'\'' int xlc6_cc_array[FOO(a) == '\''x'\'' ? 1 : -1]; int test (int i, double x); struct s1 {int (*f) (int a);}; struct s2 {int (*f) (double a);}; int pairnames (int, char **, int *(*)(struct buf *, struct stat *, int), int, int);' # Test code for whether the C compiler supports C89 (body of main). ac_c_conftest_c89_main=' ok |= (argc == 0 || f (e, argv, 0) != argv[0] || f (e, argv, 1) != argv[1]); ' # Test code for whether the C compiler supports C99 (global declarations) ac_c_conftest_c99_globals=' // Does the compiler advertise C99 conformance? #if !defined __STDC_VERSION__ || __STDC_VERSION__ < 199901L # error "Compiler does not advertise C99 conformance" #endif #include extern int puts (const char *); extern int printf (const char *, ...); extern int dprintf (int, const char *, ...); extern void *malloc (size_t); // Check varargs macros. These examples are taken from C99 6.10.3.5. // dprintf is used instead of fprintf to avoid needing to declare // FILE and stderr. #define debug(...) dprintf (2, __VA_ARGS__) #define showlist(...) puts (#__VA_ARGS__) #define report(test,...) ((test) ? puts (#test) : printf (__VA_ARGS__)) static void test_varargs_macros (void) { int x = 1234; int y = 5678; debug ("Flag"); debug ("X = %d\n", x); showlist (The first, second, and third items.); report (x>y, "x is %d but y is %d", x, y); } // Check long long types. #define BIG64 18446744073709551615ull #define BIG32 4294967295ul #define BIG_OK (BIG64 / BIG32 == 4294967297ull && BIG64 % BIG32 == 0) #if !BIG_OK #error "your preprocessor is broken" #endif #if BIG_OK #else #error "your preprocessor is broken" #endif static long long int bignum = -9223372036854775807LL; static unsigned long long int ubignum = BIG64; struct incomplete_array { int datasize; double data[]; }; struct named_init { int number; const wchar_t *name; double average; }; typedef const char *ccp; static inline int test_restrict (ccp restrict text) { // See if C++-style comments work. // Iterate through items via the restricted pointer. // Also check for declarations in for loops. for (unsigned int i = 0; *(text+i) != '\''\0'\''; ++i) continue; return 0; } // Check varargs and va_copy. static bool test_varargs (const char *format, ...) { va_list args; va_start (args, format); va_list args_copy; va_copy (args_copy, args); const char *str = ""; int number = 0; float fnumber = 0; while (*format) { switch (*format++) { case '\''s'\'': // string str = va_arg (args_copy, const char *); break; case '\''d'\'': // int number = va_arg (args_copy, int); break; case '\''f'\'': // float fnumber = va_arg (args_copy, double); break; default: break; } } va_end (args_copy); va_end (args); return *str && number && fnumber; } ' # Test code for whether the C compiler supports C99 (body of main). ac_c_conftest_c99_main=' // Check bool. _Bool success = false; success |= (argc != 0); // Check restrict. if (test_restrict ("String literal") == 0) success = true; char *restrict newvar = "Another string"; // Check varargs. success &= test_varargs ("s, d'\'' f .", "string", 65, 34.234); test_varargs_macros (); // Check flexible array members. struct incomplete_array *ia = malloc (sizeof (struct incomplete_array) + (sizeof (double) * 10)); ia->datasize = 10; for (int i = 0; i < ia->datasize; ++i) ia->data[i] = i * 1.234; // Check named initializers. struct named_init ni = { .number = 34, .name = L"Test wide string", .average = 543.34343, }; ni.number = 58; int dynamic_array[ni.number]; dynamic_array[0] = argv[0][0]; dynamic_array[ni.number - 1] = 543; // work around unused variable warnings ok |= (!success || bignum == 0LL || ubignum == 0uLL || newvar[0] == '\''x'\'' || dynamic_array[ni.number - 1] != 543); ' # Test code for whether the C compiler supports C11 (global declarations) ac_c_conftest_c11_globals=' // Does the compiler advertise C11 conformance? #if !defined __STDC_VERSION__ || __STDC_VERSION__ < 201112L # error "Compiler does not advertise C11 conformance" #endif // Check _Alignas. char _Alignas (double) aligned_as_double; char _Alignas (0) no_special_alignment; extern char aligned_as_int; char _Alignas (0) _Alignas (int) aligned_as_int; // Check _Alignof. enum { int_alignment = _Alignof (int), int_array_alignment = _Alignof (int[100]), char_alignment = _Alignof (char) }; _Static_assert (0 < -_Alignof (int), "_Alignof is signed"); // Check _Noreturn. int _Noreturn does_not_return (void) { for (;;) continue; } // Check _Static_assert. struct test_static_assert { int x; _Static_assert (sizeof (int) <= sizeof (long int), "_Static_assert does not work in struct"); long int y; }; // Check UTF-8 literals. #define u8 syntax error! char const utf8_literal[] = u8"happens to be ASCII" "another string"; // Check duplicate typedefs. typedef long *long_ptr; typedef long int *long_ptr; typedef long_ptr long_ptr; // Anonymous structures and unions -- taken from C11 6.7.2.1 Example 1. struct anonymous { union { struct { int i; int j; }; struct { int k; long int l; } w; }; int m; } v1; ' # Test code for whether the C compiler supports C11 (body of main). ac_c_conftest_c11_main=' _Static_assert ((offsetof (struct anonymous, i) == offsetof (struct anonymous, w.k)), "Anonymous union alignment botch"); v1.i = 2; v1.w.k = 5; ok |= v1.i != 5; ' # Test code for whether the C compiler supports C11 (complete). ac_c_conftest_c11_program="${ac_c_conftest_c89_globals} ${ac_c_conftest_c99_globals} ${ac_c_conftest_c11_globals} int main (int argc, char **argv) { int ok = 0; ${ac_c_conftest_c89_main} ${ac_c_conftest_c99_main} ${ac_c_conftest_c11_main} return ok; } " # Test code for whether the C compiler supports C99 (complete). ac_c_conftest_c99_program="${ac_c_conftest_c89_globals} ${ac_c_conftest_c99_globals} int main (int argc, char **argv) { int ok = 0; ${ac_c_conftest_c89_main} ${ac_c_conftest_c99_main} return ok; } " # Test code for whether the C compiler supports C89 (complete). ac_c_conftest_c89_program="${ac_c_conftest_c89_globals} int main (int argc, char **argv) { int ok = 0; ${ac_c_conftest_c89_main} return ok; } " as_fn_append ac_header_c_list " stdio.h stdio_h HAVE_STDIO_H" as_fn_append ac_header_c_list " stdlib.h stdlib_h HAVE_STDLIB_H" as_fn_append ac_header_c_list " string.h string_h HAVE_STRING_H" as_fn_append ac_header_c_list " inttypes.h inttypes_h HAVE_INTTYPES_H" as_fn_append ac_header_c_list " stdint.h stdint_h HAVE_STDINT_H" as_fn_append ac_header_c_list " strings.h strings_h HAVE_STRINGS_H" as_fn_append ac_header_c_list " sys/stat.h sys_stat_h HAVE_SYS_STAT_H" as_fn_append ac_header_c_list " sys/types.h sys_types_h HAVE_SYS_TYPES_H" as_fn_append ac_header_c_list " unistd.h unistd_h HAVE_UNISTD_H" # Test code for whether the C++ compiler supports C++98 (global declarations) ac_cxx_conftest_cxx98_globals=' // Does the compiler advertise C++98 conformance? #if !defined __cplusplus || __cplusplus < 199711L # error "Compiler does not advertise C++98 conformance" #endif // These inclusions are to reject old compilers that // lack the unsuffixed header files. #include #include // and are *not* freestanding headers in C++98. extern void assert (int); namespace std { extern int strcmp (const char *, const char *); } // Namespaces, exceptions, and templates were all added after "C++ 2.0". using std::exception; using std::strcmp; namespace { void test_exception_syntax() { try { throw "test"; } catch (const char *s) { // Extra parentheses suppress a warning when building autoconf itself, // due to lint rules shared with more typical C programs. assert (!(strcmp) (s, "test")); } } template struct test_template { T const val; explicit test_template(T t) : val(t) {} template T add(U u) { return static_cast(u) + val; } }; } // anonymous namespace ' # Test code for whether the C++ compiler supports C++98 (body of main) ac_cxx_conftest_cxx98_main=' assert (argc); assert (! argv[0]); { test_exception_syntax (); test_template tt (2.0); assert (tt.add (4) == 6.0); assert (true && !false); } ' # Test code for whether the C++ compiler supports C++11 (global declarations) ac_cxx_conftest_cxx11_globals=' // Does the compiler advertise C++ 2011 conformance? #if !defined __cplusplus || __cplusplus < 201103L # error "Compiler does not advertise C++11 conformance" #endif namespace cxx11test { constexpr int get_val() { return 20; } struct testinit { int i; double d; }; class delegate { public: delegate(int n) : n(n) {} delegate(): delegate(2354) {} virtual int getval() { return this->n; }; protected: int n; }; class overridden : public delegate { public: overridden(int n): delegate(n) {} virtual int getval() override final { return this->n * 2; } }; class nocopy { public: nocopy(int i): i(i) {} nocopy() = default; nocopy(const nocopy&) = delete; nocopy & operator=(const nocopy&) = delete; private: int i; }; // for testing lambda expressions template Ret eval(Fn f, Ret v) { return f(v); } // for testing variadic templates and trailing return types template auto sum(V first) -> V { return first; } template auto sum(V first, Args... rest) -> V { return first + sum(rest...); } } ' # Test code for whether the C++ compiler supports C++11 (body of main) ac_cxx_conftest_cxx11_main=' { // Test auto and decltype auto a1 = 6538; auto a2 = 48573953.4; auto a3 = "String literal"; int total = 0; for (auto i = a3; *i; ++i) { total += *i; } decltype(a2) a4 = 34895.034; } { // Test constexpr short sa[cxx11test::get_val()] = { 0 }; } { // Test initializer lists cxx11test::testinit il = { 4323, 435234.23544 }; } { // Test range-based for int array[] = {9, 7, 13, 15, 4, 18, 12, 10, 5, 3, 14, 19, 17, 8, 6, 20, 16, 2, 11, 1}; for (auto &x : array) { x += 23; } } { // Test lambda expressions using cxx11test::eval; assert (eval ([](int x) { return x*2; }, 21) == 42); double d = 2.0; assert (eval ([&](double x) { return d += x; }, 3.0) == 5.0); assert (d == 5.0); assert (eval ([=](double x) mutable { return d += x; }, 4.0) == 9.0); assert (d == 5.0); } { // Test use of variadic templates using cxx11test::sum; auto a = sum(1); auto b = sum(1, 2); auto c = sum(1.0, 2.0, 3.0); } { // Test constructor delegation cxx11test::delegate d1; cxx11test::delegate d2(); cxx11test::delegate d3(45); } { // Test override and final cxx11test::overridden o1(55464); } { // Test nullptr char *c = nullptr; } { // Test template brackets test_template<::test_template> v(test_template(12)); } { // Unicode literals char const *utf8 = u8"UTF-8 string \u2500"; char16_t const *utf16 = u"UTF-8 string \u2500"; char32_t const *utf32 = U"UTF-32 string \u2500"; } ' # Test code for whether the C compiler supports C++11 (complete). ac_cxx_conftest_cxx11_program="${ac_cxx_conftest_cxx98_globals} ${ac_cxx_conftest_cxx11_globals} int main (int argc, char **argv) { int ok = 0; ${ac_cxx_conftest_cxx98_main} ${ac_cxx_conftest_cxx11_main} return ok; } " # Test code for whether the C compiler supports C++98 (complete). ac_cxx_conftest_cxx98_program="${ac_cxx_conftest_cxx98_globals} int main (int argc, char **argv) { int ok = 0; ${ac_cxx_conftest_cxx98_main} return ok; } " # Auxiliary files required by this configure script. ac_aux_files="config.guess config.sub ltmain.sh" # Locations in which to look for auxiliary files. ac_aux_dir_candidates="${srcdir}/." # Search for a directory containing all of the required auxiliary files, # $ac_aux_files, from the $PATH-style list $ac_aux_dir_candidates. # If we don't find one directory that contains all the files we need, # we report the set of missing files from the *first* directory in # $ac_aux_dir_candidates and give up. ac_missing_aux_files="" ac_first_candidate=: printf "%s\n" "$as_me:${as_lineno-$LINENO}: looking for aux files: $ac_aux_files" >&5 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR as_found=false for as_dir in $ac_aux_dir_candidates do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac as_found=: printf "%s\n" "$as_me:${as_lineno-$LINENO}: trying $as_dir" >&5 ac_aux_dir_found=yes ac_install_sh= for ac_aux in $ac_aux_files do # As a special case, if "install-sh" is required, that requirement # can be satisfied by any of "install-sh", "install.sh", or "shtool", # and $ac_install_sh is set appropriately for whichever one is found. if test x"$ac_aux" = x"install-sh" then if test -f "${as_dir}install-sh"; then printf "%s\n" "$as_me:${as_lineno-$LINENO}: ${as_dir}install-sh found" >&5 ac_install_sh="${as_dir}install-sh -c" elif test -f "${as_dir}install.sh"; then printf "%s\n" "$as_me:${as_lineno-$LINENO}: ${as_dir}install.sh found" >&5 ac_install_sh="${as_dir}install.sh -c" elif test -f "${as_dir}shtool"; then printf "%s\n" "$as_me:${as_lineno-$LINENO}: ${as_dir}shtool found" >&5 ac_install_sh="${as_dir}shtool install -c" else ac_aux_dir_found=no if $ac_first_candidate; then ac_missing_aux_files="${ac_missing_aux_files} install-sh" else break fi fi else if test -f "${as_dir}${ac_aux}"; then printf "%s\n" "$as_me:${as_lineno-$LINENO}: ${as_dir}${ac_aux} found" >&5 else ac_aux_dir_found=no if $ac_first_candidate; then ac_missing_aux_files="${ac_missing_aux_files} ${ac_aux}" else break fi fi fi done if test "$ac_aux_dir_found" = yes; then ac_aux_dir="$as_dir" break fi ac_first_candidate=false as_found=false done IFS=$as_save_IFS if $as_found then : else $as_nop as_fn_error $? "cannot find required auxiliary files:$ac_missing_aux_files" "$LINENO" 5 fi # These three variables are undocumented and unsupported, # and are intended to be withdrawn in a future Autoconf release. # They can cause serious problems if a builder's source tree is in a directory # whose full name contains unusual characters. if test -f "${ac_aux_dir}config.guess"; then ac_config_guess="$SHELL ${ac_aux_dir}config.guess" fi if test -f "${ac_aux_dir}config.sub"; then ac_config_sub="$SHELL ${ac_aux_dir}config.sub" fi if test -f "$ac_aux_dir/configure"; then ac_configure="$SHELL ${ac_aux_dir}configure" fi # Check that the precious variables saved in the cache have kept the same # value. ac_cache_corrupted=false for ac_var in $ac_precious_vars; do eval ac_old_set=\$ac_cv_env_${ac_var}_set eval ac_new_set=\$ac_env_${ac_var}_set eval ac_old_val=\$ac_cv_env_${ac_var}_value eval ac_new_val=\$ac_env_${ac_var}_value case $ac_old_set,$ac_new_set in set,) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&5 printf "%s\n" "$as_me: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&2;} ac_cache_corrupted=: ;; ,set) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was not set in the previous run" >&5 printf "%s\n" "$as_me: error: \`$ac_var' was not set in the previous run" >&2;} ac_cache_corrupted=: ;; ,);; *) if test "x$ac_old_val" != "x$ac_new_val"; then # differences in whitespace do not lead to failure. ac_old_val_w=`echo x $ac_old_val` ac_new_val_w=`echo x $ac_new_val` if test "$ac_old_val_w" != "$ac_new_val_w"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' has changed since the previous run:" >&5 printf "%s\n" "$as_me: error: \`$ac_var' has changed since the previous run:" >&2;} ac_cache_corrupted=: else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&5 printf "%s\n" "$as_me: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&2;} eval $ac_var=\$ac_old_val fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: former value: \`$ac_old_val'" >&5 printf "%s\n" "$as_me: former value: \`$ac_old_val'" >&2;} { printf "%s\n" "$as_me:${as_lineno-$LINENO}: current value: \`$ac_new_val'" >&5 printf "%s\n" "$as_me: current value: \`$ac_new_val'" >&2;} fi;; esac # Pass precious variables to config.status. if test "$ac_new_set" = set; then case $ac_new_val in *\'*) ac_arg=$ac_var=`printf "%s\n" "$ac_new_val" | sed "s/'/'\\\\\\\\''/g"` ;; *) ac_arg=$ac_var=$ac_new_val ;; esac case " $ac_configure_args " in *" '$ac_arg' "*) ;; # Avoid dups. 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" >&6; } if test ${lt_cv_prog_gnu_ld+y} then : printf %s "(cached) " >&6 else $as_nop # I'd rather use --version here, but apparently some GNU lds only accept -v. case `$LD -v 2>&1 &5 printf "%s\n" "$lt_cv_prog_gnu_ld" >&6; } with_gnu_ld=$lt_cv_prog_gnu_ld { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for BSD- or MS-compatible name lister (nm)" >&5 printf %s "checking for BSD- or MS-compatible name lister (nm)... " >&6; } if test ${lt_cv_path_NM+y} then : printf %s "(cached) " >&6 else $as_nop if test -n "$NM"; then # Let the user override the test. lt_cv_path_NM=$NM else lt_nm_to_check=${ac_tool_prefix}nm if test -n "$ac_tool_prefix" && test "$build" = "$host"; then lt_nm_to_check="$lt_nm_to_check nm" fi for lt_tmp_nm in $lt_nm_to_check; do lt_save_ifs=$IFS; IFS=$PATH_SEPARATOR for ac_dir in $PATH /usr/ccs/bin/elf /usr/ccs/bin /usr/ucb /bin; do IFS=$lt_save_ifs test -z "$ac_dir" && ac_dir=. tmp_nm=$ac_dir/$lt_tmp_nm if test -f "$tmp_nm" || test -f "$tmp_nm$ac_exeext"; then # Check to see if the nm accepts a BSD-compat flag. # Adding the 'sed 1q' prevents false positives on HP-UX, which says: # nm: unknown option "B" ignored # Tru64's nm complains that /dev/null is an invalid object file # MSYS converts /dev/null to NUL, MinGW nm treats NUL as empty case $build_os in mingw*) lt_bad_file=conftest.nm/nofile ;; *) lt_bad_file=/dev/null ;; esac case `"$tmp_nm" -B $lt_bad_file 2>&1 | $SED '1q'` in *$lt_bad_file* | *'Invalid file or object type'*) lt_cv_path_NM="$tmp_nm -B" break 2 ;; *) case `"$tmp_nm" -p /dev/null 2>&1 | $SED '1q'` in */dev/null*) lt_cv_path_NM="$tmp_nm -p" break 2 ;; *) lt_cv_path_NM=${lt_cv_path_NM="$tmp_nm"} # keep the first match, but continue # so that we can try to find one that supports BSD flags ;; esac ;; esac fi done IFS=$lt_save_ifs done : ${lt_cv_path_NM=no} fi fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_path_NM" >&5 printf "%s\n" "$lt_cv_path_NM" >&6; } if test no != "$lt_cv_path_NM"; then NM=$lt_cv_path_NM else # Didn't find any BSD compatible name lister, look for dumpbin. if test -n "$DUMPBIN"; then : # Let the user override the test. else if test -n "$ac_tool_prefix"; then for ac_prog in dumpbin "link -dump" do # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args. set dummy $ac_tool_prefix$ac_prog; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_DUMPBIN+y} then : printf %s "(cached) " >&6 else $as_nop if test -n "$DUMPBIN"; then ac_cv_prog_DUMPBIN="$DUMPBIN" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_DUMPBIN="$ac_tool_prefix$ac_prog" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi DUMPBIN=$ac_cv_prog_DUMPBIN if test -n "$DUMPBIN"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $DUMPBIN" >&5 printf "%s\n" "$DUMPBIN" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi test -n "$DUMPBIN" && break done fi if test -z "$DUMPBIN"; then ac_ct_DUMPBIN=$DUMPBIN for ac_prog in dumpbin "link -dump" do # Extract the first word of "$ac_prog", so it can be a program name with args. set dummy $ac_prog; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_ac_ct_DUMPBIN+y} then : printf %s "(cached) " >&6 else $as_nop if test -n "$ac_ct_DUMPBIN"; then ac_cv_prog_ac_ct_DUMPBIN="$ac_ct_DUMPBIN" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_DUMPBIN="$ac_prog" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_DUMPBIN=$ac_cv_prog_ac_ct_DUMPBIN if test -n "$ac_ct_DUMPBIN"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DUMPBIN" >&5 printf "%s\n" "$ac_ct_DUMPBIN" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi test -n "$ac_ct_DUMPBIN" && break done if test "x$ac_ct_DUMPBIN" = x; then DUMPBIN=":" else case $cross_compiling:$ac_tool_warned in yes:) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac DUMPBIN=$ac_ct_DUMPBIN fi fi case `$DUMPBIN -symbols -headers /dev/null 2>&1 | $SED '1q'` in *COFF*) DUMPBIN="$DUMPBIN -symbols -headers" ;; *) DUMPBIN=: ;; esac fi if test : != "$DUMPBIN"; then NM=$DUMPBIN fi fi test -z "$NM" && NM=nm { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking the name lister ($NM) interface" >&5 printf %s "checking the name lister ($NM) interface... " >&6; } if test ${lt_cv_nm_interface+y} then : printf %s "(cached) " >&6 else $as_nop lt_cv_nm_interface="BSD nm" echo "int some_variable = 0;" > conftest.$ac_ext (eval echo "\"\$as_me:$LINENO: $ac_compile\"" >&5) (eval "$ac_compile" 2>conftest.err) cat conftest.err >&5 (eval echo "\"\$as_me:$LINENO: $NM \\\"conftest.$ac_objext\\\"\"" >&5) (eval "$NM \"conftest.$ac_objext\"" 2>conftest.err > conftest.out) cat conftest.err >&5 (eval echo "\"\$as_me:$LINENO: output\"" >&5) cat conftest.out >&5 if $GREP 'External.*some_variable' conftest.out > /dev/null; then lt_cv_nm_interface="MS dumpbin" fi rm -f conftest* fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_nm_interface" >&5 printf "%s\n" "$lt_cv_nm_interface" >&6; } { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether ln -s works" >&5 printf %s "checking whether ln -s works... " >&6; } LN_S=$as_ln_s if test "$LN_S" = "ln -s"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no, using $LN_S" >&5 printf "%s\n" "no, using $LN_S" >&6; } fi # find the maximum length of command line arguments { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking the maximum length of command line arguments" >&5 printf %s "checking the maximum length of command line arguments... " >&6; } if test ${lt_cv_sys_max_cmd_len+y} then : printf %s "(cached) " >&6 else $as_nop i=0 teststring=ABCD case $build_os in msdosdjgpp*) # On DJGPP, this test can blow up pretty badly due to problems in libc # (any single argument exceeding 2000 bytes causes a buffer overrun # during glob expansion). Even if it were fixed, the result of this # check would be larger than it should be. lt_cv_sys_max_cmd_len=12288; # 12K is about right ;; gnu*) # Under GNU Hurd, this test is not required because there is # no limit to the length of command line arguments. # Libtool will interpret -1 as no limit whatsoever lt_cv_sys_max_cmd_len=-1; ;; cygwin* | mingw* | cegcc*) # On Win9x/ME, this test blows up -- it succeeds, but takes # about 5 minutes as the teststring grows exponentially. # Worse, since 9x/ME are not pre-emptively multitasking, # you end up with a "frozen" computer, even though with patience # the test eventually succeeds (with a max line length of 256k). # Instead, let's just punt: use the minimum linelength reported by # all of the supported platforms: 8192 (on NT/2K/XP). lt_cv_sys_max_cmd_len=8192; ;; mint*) # On MiNT this can take a long time and run out of memory. lt_cv_sys_max_cmd_len=8192; ;; amigaos*) # On AmigaOS with pdksh, this test takes hours, literally. # So we just punt and use a minimum line length of 8192. lt_cv_sys_max_cmd_len=8192; ;; bitrig* | darwin* | dragonfly* | freebsd* | midnightbsd* | netbsd* | openbsd*) # This has been around since 386BSD, at least. Likely further. if test -x /sbin/sysctl; then lt_cv_sys_max_cmd_len=`/sbin/sysctl -n kern.argmax` elif test -x /usr/sbin/sysctl; then lt_cv_sys_max_cmd_len=`/usr/sbin/sysctl -n kern.argmax` else lt_cv_sys_max_cmd_len=65536 # usable default for all BSDs fi # And add a safety zone lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4` lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3` ;; interix*) # We know the value 262144 and hardcode it with a safety zone (like BSD) lt_cv_sys_max_cmd_len=196608 ;; os2*) # The test takes a long time on OS/2. lt_cv_sys_max_cmd_len=8192 ;; osf*) # Dr. Hans Ekkehard Plesser reports seeing a kernel panic running configure # due to this test when exec_disable_arg_limit is 1 on Tru64. It is not # nice to cause kernel panics so lets avoid the loop below. # First set a reasonable default. lt_cv_sys_max_cmd_len=16384 # if test -x /sbin/sysconfig; then case `/sbin/sysconfig -q proc exec_disable_arg_limit` in *1*) lt_cv_sys_max_cmd_len=-1 ;; esac fi ;; sco3.2v5*) lt_cv_sys_max_cmd_len=102400 ;; sysv5* | sco5v6* | sysv4.2uw2*) kargmax=`grep ARG_MAX /etc/conf/cf.d/stune 2>/dev/null` if test -n "$kargmax"; then lt_cv_sys_max_cmd_len=`echo $kargmax | $SED 's/.*[ ]//'` else lt_cv_sys_max_cmd_len=32768 fi ;; *) lt_cv_sys_max_cmd_len=`(getconf ARG_MAX) 2> /dev/null` if test -n "$lt_cv_sys_max_cmd_len" && \ test undefined != "$lt_cv_sys_max_cmd_len"; then lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4` lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3` else # Make teststring a little bigger before we do anything with it. # a 1K string should be a reasonable start. for i in 1 2 3 4 5 6 7 8; do teststring=$teststring$teststring done SHELL=${SHELL-${CONFIG_SHELL-/bin/sh}} # If test is not a shell built-in, we'll probably end up computing a # maximum length that is only half of the actual maximum length, but # we can't tell. while { test X`env echo "$teststring$teststring" 2>/dev/null` \ = "X$teststring$teststring"; } >/dev/null 2>&1 && test 17 != "$i" # 1/2 MB should be enough do i=`expr $i + 1` teststring=$teststring$teststring done # Only check the string length outside the loop. lt_cv_sys_max_cmd_len=`expr "X$teststring" : ".*" 2>&1` teststring= # Add a significant safety factor because C++ compilers can tack on # massive amounts of additional arguments before passing them to the # linker. It appears as though 1/2 is a usable value. lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 2` fi ;; esac fi if test -n "$lt_cv_sys_max_cmd_len"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_sys_max_cmd_len" >&5 printf "%s\n" "$lt_cv_sys_max_cmd_len" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none" >&5 printf "%s\n" "none" >&6; } fi max_cmd_len=$lt_cv_sys_max_cmd_len : ${CP="cp -f"} : ${MV="mv -f"} : ${RM="rm -f"} if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then lt_unset=unset else lt_unset=false fi # test EBCDIC or ASCII case `echo X|tr X '\101'` in A) # ASCII based system # \n is not interpreted correctly by Solaris 8 /usr/ucb/tr lt_SP2NL='tr \040 \012' lt_NL2SP='tr \015\012 \040\040' ;; *) # EBCDIC based system lt_SP2NL='tr \100 \n' lt_NL2SP='tr \r\n \100\100' ;; esac { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking how to convert $build file names to $host format" >&5 printf %s "checking how to convert $build file names to $host format... " >&6; } if test ${lt_cv_to_host_file_cmd+y} then : printf %s "(cached) " >&6 else $as_nop case $host in *-*-mingw* ) case $build in *-*-mingw* ) # actually msys lt_cv_to_host_file_cmd=func_convert_file_msys_to_w32 ;; *-*-cygwin* ) lt_cv_to_host_file_cmd=func_convert_file_cygwin_to_w32 ;; * ) # otherwise, assume *nix lt_cv_to_host_file_cmd=func_convert_file_nix_to_w32 ;; esac ;; *-*-cygwin* ) case $build in *-*-mingw* ) # actually msys lt_cv_to_host_file_cmd=func_convert_file_msys_to_cygwin ;; *-*-cygwin* ) lt_cv_to_host_file_cmd=func_convert_file_noop ;; * ) # otherwise, assume *nix lt_cv_to_host_file_cmd=func_convert_file_nix_to_cygwin ;; esac ;; * ) # unhandled hosts (and "normal" native builds) lt_cv_to_host_file_cmd=func_convert_file_noop ;; esac fi to_host_file_cmd=$lt_cv_to_host_file_cmd { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_to_host_file_cmd" >&5 printf "%s\n" "$lt_cv_to_host_file_cmd" >&6; } { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking how to convert $build file names to toolchain format" >&5 printf %s "checking how to convert $build file names to toolchain format... " >&6; } if test ${lt_cv_to_tool_file_cmd+y} then : printf %s "(cached) " >&6 else $as_nop #assume ordinary cross tools, or native build. lt_cv_to_tool_file_cmd=func_convert_file_noop case $host in *-*-mingw* ) case $build in *-*-mingw* ) # actually msys lt_cv_to_tool_file_cmd=func_convert_file_msys_to_w32 ;; esac ;; esac fi to_tool_file_cmd=$lt_cv_to_tool_file_cmd { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_to_tool_file_cmd" >&5 printf "%s\n" "$lt_cv_to_tool_file_cmd" >&6; } { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $LD option to reload object files" >&5 printf %s "checking for $LD option to reload object files... " >&6; } if test ${lt_cv_ld_reload_flag+y} then : printf %s "(cached) " >&6 else $as_nop lt_cv_ld_reload_flag='-r' fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ld_reload_flag" >&5 printf "%s\n" "$lt_cv_ld_reload_flag" >&6; } reload_flag=$lt_cv_ld_reload_flag case $reload_flag in "" | " "*) ;; *) reload_flag=" $reload_flag" ;; esac reload_cmds='$LD$reload_flag -o $output$reload_objs' case $host_os in cygwin* | mingw* | pw32* | cegcc*) if test yes != "$GCC"; then reload_cmds=false fi ;; darwin*) if test yes = "$GCC"; then reload_cmds='$LTCC $LTCFLAGS -nostdlib $wl-r -o $output$reload_objs' else reload_cmds='$LD$reload_flag -o $output$reload_objs' fi ;; esac if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}file", so it can be a program name with args. set dummy ${ac_tool_prefix}file; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_FILECMD+y} then : printf %s "(cached) " >&6 else $as_nop if test -n "$FILECMD"; then ac_cv_prog_FILECMD="$FILECMD" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_FILECMD="${ac_tool_prefix}file" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi FILECMD=$ac_cv_prog_FILECMD if test -n "$FILECMD"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $FILECMD" >&5 printf "%s\n" "$FILECMD" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi fi if test -z "$ac_cv_prog_FILECMD"; then ac_ct_FILECMD=$FILECMD # Extract the first word of "file", so it can be a program name with args. set dummy file; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_ac_ct_FILECMD+y} then : printf %s "(cached) " >&6 else $as_nop if test -n "$ac_ct_FILECMD"; then ac_cv_prog_ac_ct_FILECMD="$ac_ct_FILECMD" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_FILECMD="file" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_FILECMD=$ac_cv_prog_ac_ct_FILECMD if test -n "$ac_ct_FILECMD"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_FILECMD" >&5 printf "%s\n" "$ac_ct_FILECMD" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi if test "x$ac_ct_FILECMD" = x; then FILECMD=":" else case $cross_compiling:$ac_tool_warned in yes:) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac FILECMD=$ac_ct_FILECMD fi else FILECMD="$ac_cv_prog_FILECMD" fi if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}objdump", so it can be a program name with args. set dummy ${ac_tool_prefix}objdump; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_OBJDUMP+y} then : printf %s "(cached) " >&6 else $as_nop if test -n "$OBJDUMP"; then ac_cv_prog_OBJDUMP="$OBJDUMP" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_OBJDUMP="${ac_tool_prefix}objdump" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi OBJDUMP=$ac_cv_prog_OBJDUMP if test -n "$OBJDUMP"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $OBJDUMP" >&5 printf "%s\n" "$OBJDUMP" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi fi if test -z "$ac_cv_prog_OBJDUMP"; then ac_ct_OBJDUMP=$OBJDUMP # Extract the first word of "objdump", so it can be a program name with args. set dummy objdump; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_ac_ct_OBJDUMP+y} then : printf %s "(cached) " >&6 else $as_nop if test -n "$ac_ct_OBJDUMP"; then ac_cv_prog_ac_ct_OBJDUMP="$ac_ct_OBJDUMP" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_OBJDUMP="objdump" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_OBJDUMP=$ac_cv_prog_ac_ct_OBJDUMP if test -n "$ac_ct_OBJDUMP"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OBJDUMP" >&5 printf "%s\n" "$ac_ct_OBJDUMP" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi if test "x$ac_ct_OBJDUMP" = x; then OBJDUMP="false" else case $cross_compiling:$ac_tool_warned in yes:) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac OBJDUMP=$ac_ct_OBJDUMP fi else OBJDUMP="$ac_cv_prog_OBJDUMP" fi test -z "$OBJDUMP" && OBJDUMP=objdump { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking how to recognize dependent libraries" >&5 printf %s "checking how to recognize dependent libraries... " >&6; } if test ${lt_cv_deplibs_check_method+y} then : printf %s "(cached) " >&6 else $as_nop lt_cv_file_magic_cmd='$MAGIC_CMD' lt_cv_file_magic_test_file= lt_cv_deplibs_check_method='unknown' # Need to set the preceding variable on all platforms that support # interlibrary dependencies. # 'none' -- dependencies not supported. # 'unknown' -- same as none, but documents that we really don't know. # 'pass_all' -- all dependencies passed with no checks. # 'test_compile' -- check by making test program. # 'file_magic [[regex]]' -- check by looking for files in library path # that responds to the $file_magic_cmd with a given extended regex. # If you have 'file' or equivalent on your system and you're not sure # whether 'pass_all' will *always* work, you probably want this one. case $host_os in aix[4-9]*) lt_cv_deplibs_check_method=pass_all ;; beos*) lt_cv_deplibs_check_method=pass_all ;; bsdi[45]*) lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib)' lt_cv_file_magic_cmd='$FILECMD -L' lt_cv_file_magic_test_file=/shlib/libc.so ;; cygwin*) # func_win32_libid is a shell function defined in ltmain.sh lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL' lt_cv_file_magic_cmd='func_win32_libid' ;; mingw* | pw32*) # Base MSYS/MinGW do not provide the 'file' command needed by # func_win32_libid shell function, so use a weaker test based on 'objdump', # unless we find 'file', for example because we are cross-compiling. if ( file / ) >/dev/null 2>&1; then lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL' lt_cv_file_magic_cmd='func_win32_libid' else # Keep this pattern in sync with the one in func_win32_libid. lt_cv_deplibs_check_method='file_magic file format (pei*-i386(.*architecture: i386)?|pe-arm-wince|pe-x86-64)' lt_cv_file_magic_cmd='$OBJDUMP -f' fi ;; cegcc*) # use the weaker test based on 'objdump'. See mingw*. lt_cv_deplibs_check_method='file_magic file format pe-arm-.*little(.*architecture: arm)?' lt_cv_file_magic_cmd='$OBJDUMP -f' ;; darwin* | rhapsody*) lt_cv_deplibs_check_method=pass_all ;; freebsd* | dragonfly* | midnightbsd*) if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then case $host_cpu in i*86 ) # Not sure whether the presence of OpenBSD here was a mistake. # Let's accept both of them until this is cleared up. lt_cv_deplibs_check_method='file_magic (FreeBSD|OpenBSD|DragonFly)/i[3-9]86 (compact )?demand paged shared library' lt_cv_file_magic_cmd=$FILECMD lt_cv_file_magic_test_file=`echo /usr/lib/libc.so.*` ;; esac else lt_cv_deplibs_check_method=pass_all fi ;; haiku*) lt_cv_deplibs_check_method=pass_all ;; hpux10.20* | hpux11*) lt_cv_file_magic_cmd=$FILECMD case $host_cpu in ia64*) lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|ELF-[0-9][0-9]) shared object file - IA64' lt_cv_file_magic_test_file=/usr/lib/hpux32/libc.so ;; hppa*64*) lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|ELF[ -][0-9][0-9])(-bit)?( [LM]SB)? shared object( file)?[, -]* PA-RISC [0-9]\.[0-9]' lt_cv_file_magic_test_file=/usr/lib/pa20_64/libc.sl ;; *) lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|PA-RISC[0-9]\.[0-9]) shared library' lt_cv_file_magic_test_file=/usr/lib/libc.sl ;; esac ;; interix[3-9]*) # PIC code is broken on Interix 3.x, that's why |\.a not |_pic\.a here lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so|\.a)$' ;; irix5* | irix6* | nonstopux*) case $LD in *-32|*"-32 ") libmagic=32-bit;; *-n32|*"-n32 ") libmagic=N32;; *-64|*"-64 ") libmagic=64-bit;; *) libmagic=never-match;; esac lt_cv_deplibs_check_method=pass_all ;; # This must be glibc/ELF. linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) lt_cv_deplibs_check_method=pass_all ;; netbsd* | netbsdelf*-gnu) if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|_pic\.a)$' else lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so|_pic\.a)$' fi ;; newos6*) lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (executable|dynamic lib)' lt_cv_file_magic_cmd=$FILECMD lt_cv_file_magic_test_file=/usr/lib/libnls.so ;; *nto* | *qnx*) lt_cv_deplibs_check_method=pass_all ;; openbsd* | bitrig*) if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`"; then lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|\.so|_pic\.a)$' else lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|_pic\.a)$' fi ;; osf3* | osf4* | osf5*) lt_cv_deplibs_check_method=pass_all ;; rdos*) lt_cv_deplibs_check_method=pass_all ;; solaris*) lt_cv_deplibs_check_method=pass_all ;; sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*) lt_cv_deplibs_check_method=pass_all ;; sysv4 | sysv4.3*) case $host_vendor in motorola) lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib) M[0-9][0-9]* Version [0-9]' lt_cv_file_magic_test_file=`echo /usr/lib/libc.so*` ;; ncr) lt_cv_deplibs_check_method=pass_all ;; sequent) lt_cv_file_magic_cmd='/bin/file' lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [LM]SB (shared object|dynamic lib )' ;; sni) lt_cv_file_magic_cmd='/bin/file' lt_cv_deplibs_check_method="file_magic ELF [0-9][0-9]*-bit [LM]SB dynamic lib" lt_cv_file_magic_test_file=/lib/libc.so ;; siemens) lt_cv_deplibs_check_method=pass_all ;; pc) lt_cv_deplibs_check_method=pass_all ;; esac ;; tpf*) lt_cv_deplibs_check_method=pass_all ;; os2*) lt_cv_deplibs_check_method=pass_all ;; esac fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_deplibs_check_method" >&5 printf "%s\n" "$lt_cv_deplibs_check_method" >&6; } file_magic_glob= want_nocaseglob=no if test "$build" = "$host"; then case $host_os in mingw* | pw32*) if ( shopt | grep nocaseglob ) >/dev/null 2>&1; then want_nocaseglob=yes else file_magic_glob=`echo aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ | $SED -e "s/\(..\)/s\/[\1]\/[\1]\/g;/g"` fi ;; esac fi file_magic_cmd=$lt_cv_file_magic_cmd deplibs_check_method=$lt_cv_deplibs_check_method test -z "$deplibs_check_method" && deplibs_check_method=unknown if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}dlltool", so it can be a program name with args. set dummy ${ac_tool_prefix}dlltool; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_DLLTOOL+y} then : printf %s "(cached) " >&6 else $as_nop if test -n "$DLLTOOL"; then ac_cv_prog_DLLTOOL="$DLLTOOL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_DLLTOOL="${ac_tool_prefix}dlltool" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi DLLTOOL=$ac_cv_prog_DLLTOOL if test -n "$DLLTOOL"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $DLLTOOL" >&5 printf "%s\n" "$DLLTOOL" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi fi if test -z "$ac_cv_prog_DLLTOOL"; then ac_ct_DLLTOOL=$DLLTOOL # Extract the first word of "dlltool", so it can be a program name with args. set dummy dlltool; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_ac_ct_DLLTOOL+y} then : printf %s "(cached) " >&6 else $as_nop if test -n "$ac_ct_DLLTOOL"; then ac_cv_prog_ac_ct_DLLTOOL="$ac_ct_DLLTOOL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_DLLTOOL="dlltool" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_DLLTOOL=$ac_cv_prog_ac_ct_DLLTOOL if test -n "$ac_ct_DLLTOOL"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DLLTOOL" >&5 printf "%s\n" "$ac_ct_DLLTOOL" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi if test "x$ac_ct_DLLTOOL" = x; then DLLTOOL="false" else case $cross_compiling:$ac_tool_warned in yes:) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac DLLTOOL=$ac_ct_DLLTOOL fi else DLLTOOL="$ac_cv_prog_DLLTOOL" fi test -z "$DLLTOOL" && DLLTOOL=dlltool { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking how to associate runtime and link libraries" >&5 printf %s "checking how to associate runtime and link libraries... " >&6; } if test ${lt_cv_sharedlib_from_linklib_cmd+y} then : printf %s "(cached) " >&6 else $as_nop lt_cv_sharedlib_from_linklib_cmd='unknown' case $host_os in cygwin* | mingw* | pw32* | cegcc*) # two different shell functions defined in ltmain.sh; # decide which one to use based on capabilities of $DLLTOOL case `$DLLTOOL --help 2>&1` in *--identify-strict*) lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib ;; *) lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib_fallback ;; esac ;; *) # fallback: assume linklib IS sharedlib lt_cv_sharedlib_from_linklib_cmd=$ECHO ;; esac fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_sharedlib_from_linklib_cmd" >&5 printf "%s\n" "$lt_cv_sharedlib_from_linklib_cmd" >&6; } sharedlib_from_linklib_cmd=$lt_cv_sharedlib_from_linklib_cmd test -z "$sharedlib_from_linklib_cmd" && sharedlib_from_linklib_cmd=$ECHO if test -n "$ac_tool_prefix"; then for ac_prog in ar do # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args. set dummy $ac_tool_prefix$ac_prog; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_AR+y} then : printf %s "(cached) " >&6 else $as_nop if test -n "$AR"; then ac_cv_prog_AR="$AR" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_AR="$ac_tool_prefix$ac_prog" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi AR=$ac_cv_prog_AR if test -n "$AR"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $AR" >&5 printf "%s\n" "$AR" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi test -n "$AR" && break done fi if test -z "$AR"; then ac_ct_AR=$AR for ac_prog in ar do # Extract the first word of "$ac_prog", so it can be a program name with args. set dummy $ac_prog; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_ac_ct_AR+y} then : printf %s "(cached) " >&6 else $as_nop if test -n "$ac_ct_AR"; then ac_cv_prog_ac_ct_AR="$ac_ct_AR" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_AR="$ac_prog" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_AR=$ac_cv_prog_ac_ct_AR if test -n "$ac_ct_AR"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_AR" >&5 printf "%s\n" "$ac_ct_AR" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi test -n "$ac_ct_AR" && break done if test "x$ac_ct_AR" = x; then AR="false" else case $cross_compiling:$ac_tool_warned in yes:) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac AR=$ac_ct_AR fi fi : ${AR=ar} # Use ARFLAGS variable as AR's operation code to sync the variable naming with # Automake. If both AR_FLAGS and ARFLAGS are specified, AR_FLAGS should have # higher priority because thats what people were doing historically (setting # ARFLAGS for automake and AR_FLAGS for libtool). FIXME: Make the AR_FLAGS # variable obsoleted/removed. test ${AR_FLAGS+y} || AR_FLAGS=${ARFLAGS-cr} lt_ar_flags=$AR_FLAGS # Make AR_FLAGS overridable by 'make ARFLAGS='. Don't try to run-time override # by AR_FLAGS because that was never working and AR_FLAGS is about to die. { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for archiver @FILE support" >&5 printf %s "checking for archiver @FILE support... " >&6; } if test ${lt_cv_ar_at_file+y} then : printf %s "(cached) " >&6 else $as_nop lt_cv_ar_at_file=no cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main (void) { ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO" then : echo conftest.$ac_objext > conftest.lst lt_ar_try='$AR $AR_FLAGS libconftest.a @conftest.lst >&5' { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$lt_ar_try\""; } >&5 (eval $lt_ar_try) 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; } if test 0 -eq "$ac_status"; then # Ensure the archiver fails upon bogus file names. rm -f conftest.$ac_objext libconftest.a { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$lt_ar_try\""; } >&5 (eval $lt_ar_try) 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; } if test 0 -ne "$ac_status"; then lt_cv_ar_at_file=@ fi fi rm -f conftest.* libconftest.a fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ar_at_file" >&5 printf "%s\n" "$lt_cv_ar_at_file" >&6; } if test no = "$lt_cv_ar_at_file"; then archiver_list_spec= else archiver_list_spec=$lt_cv_ar_at_file fi if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}strip", so it can be a program name with args. set dummy ${ac_tool_prefix}strip; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_STRIP+y} then : printf %s "(cached) " >&6 else $as_nop if test -n "$STRIP"; then ac_cv_prog_STRIP="$STRIP" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_STRIP="${ac_tool_prefix}strip" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi STRIP=$ac_cv_prog_STRIP if test -n "$STRIP"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $STRIP" >&5 printf "%s\n" "$STRIP" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi fi if test -z "$ac_cv_prog_STRIP"; then ac_ct_STRIP=$STRIP # Extract the first word of "strip", so it can be a program name with args. set dummy strip; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_ac_ct_STRIP+y} then : printf %s "(cached) " >&6 else $as_nop if test -n "$ac_ct_STRIP"; then ac_cv_prog_ac_ct_STRIP="$ac_ct_STRIP" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_STRIP="strip" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_STRIP=$ac_cv_prog_ac_ct_STRIP if test -n "$ac_ct_STRIP"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_STRIP" >&5 printf "%s\n" "$ac_ct_STRIP" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi if test "x$ac_ct_STRIP" = x; then STRIP=":" else case $cross_compiling:$ac_tool_warned in yes:) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac STRIP=$ac_ct_STRIP fi else STRIP="$ac_cv_prog_STRIP" fi test -z "$STRIP" && STRIP=: if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}ranlib", so it can be a program name with args. set dummy ${ac_tool_prefix}ranlib; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_RANLIB+y} then : printf %s "(cached) " >&6 else $as_nop if test -n "$RANLIB"; then ac_cv_prog_RANLIB="$RANLIB" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_RANLIB="${ac_tool_prefix}ranlib" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi RANLIB=$ac_cv_prog_RANLIB if test -n "$RANLIB"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $RANLIB" >&5 printf "%s\n" "$RANLIB" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi fi if test -z "$ac_cv_prog_RANLIB"; then ac_ct_RANLIB=$RANLIB # Extract the first word of "ranlib", so it can be a program name with args. set dummy ranlib; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_ac_ct_RANLIB+y} then : printf %s "(cached) " >&6 else $as_nop if test -n "$ac_ct_RANLIB"; then ac_cv_prog_ac_ct_RANLIB="$ac_ct_RANLIB" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_RANLIB="ranlib" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_RANLIB=$ac_cv_prog_ac_ct_RANLIB if test -n "$ac_ct_RANLIB"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_RANLIB" >&5 printf "%s\n" "$ac_ct_RANLIB" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi if test "x$ac_ct_RANLIB" = x; then RANLIB=":" else case $cross_compiling:$ac_tool_warned in yes:) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac RANLIB=$ac_ct_RANLIB fi else RANLIB="$ac_cv_prog_RANLIB" fi test -z "$RANLIB" && RANLIB=: # Determine commands to create old-style static archives. old_archive_cmds='$AR $AR_FLAGS $oldlib$oldobjs' old_postinstall_cmds='chmod 644 $oldlib' old_postuninstall_cmds= if test -n "$RANLIB"; then case $host_os in bitrig* | openbsd*) old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB -t \$tool_oldlib" ;; *) old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB \$tool_oldlib" ;; esac old_archive_cmds="$old_archive_cmds~\$RANLIB \$tool_oldlib" fi case $host_os in darwin*) lock_old_archive_extraction=yes ;; *) lock_old_archive_extraction=no ;; esac for ac_prog in gawk mawk nawk awk do # Extract the first word of "$ac_prog", so it can be a program name with args. set dummy $ac_prog; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_AWK+y} then : printf %s "(cached) " >&6 else $as_nop if test -n "$AWK"; then ac_cv_prog_AWK="$AWK" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_AWK="$ac_prog" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi AWK=$ac_cv_prog_AWK if test -n "$AWK"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $AWK" >&5 printf "%s\n" "$AWK" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi test -n "$AWK" && break done # If no C compiler was specified, use CC. LTCC=${LTCC-"$CC"} # If no C compiler flags were specified, use CFLAGS. LTCFLAGS=${LTCFLAGS-"$CFLAGS"} # Allow CC to be a program name with arguments. compiler=$CC # Check for command to grab the raw symbol name followed by C symbol from nm. { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking command to parse $NM output from $compiler object" >&5 printf %s "checking command to parse $NM output from $compiler object... " >&6; } if test ${lt_cv_sys_global_symbol_pipe+y} then : printf %s "(cached) " >&6 else $as_nop # These are sane defaults that work on at least a few old systems. # [They come from Ultrix. What could be older than Ultrix?!! ;)] # Character class describing NM global symbol codes. symcode='[BCDEGRST]' # Regexp to match symbols that can be accessed directly from C. sympat='\([_A-Za-z][_A-Za-z0-9]*\)' # Define system-specific variables. case $host_os in aix*) symcode='[BCDT]' ;; cygwin* | mingw* | pw32* | cegcc*) symcode='[ABCDGISTW]' ;; hpux*) if test ia64 = "$host_cpu"; then symcode='[ABCDEGRST]' fi ;; irix* | nonstopux*) symcode='[BCDEGRST]' ;; osf*) symcode='[BCDEGQRST]' ;; solaris*) symcode='[BDRT]' ;; sco3.2v5*) symcode='[DT]' ;; sysv4.2uw2*) symcode='[DT]' ;; sysv5* | sco5v6* | unixware* | OpenUNIX*) symcode='[ABDT]' ;; sysv4) symcode='[DFNSTU]' ;; esac # If we're using GNU nm, then use its standard symbol codes. case `$NM -V 2>&1` in *GNU* | *'with BFD'*) symcode='[ABCDGIRSTW]' ;; esac if test "$lt_cv_nm_interface" = "MS dumpbin"; then # Gets list of data symbols to import. lt_cv_sys_global_symbol_to_import="$SED -n -e 's/^I .* \(.*\)$/\1/p'" # Adjust the below global symbol transforms to fixup imported variables. lt_cdecl_hook=" -e 's/^I .* \(.*\)$/extern __declspec(dllimport) char \1;/p'" lt_c_name_hook=" -e 's/^I .* \(.*\)$/ {\"\1\", (void *) 0},/p'" lt_c_name_lib_hook="\ -e 's/^I .* \(lib.*\)$/ {\"\1\", (void *) 0},/p'\ -e 's/^I .* \(.*\)$/ {\"lib\1\", (void *) 0},/p'" else # Disable hooks by default. lt_cv_sys_global_symbol_to_import= lt_cdecl_hook= lt_c_name_hook= lt_c_name_lib_hook= fi # Transform an extracted symbol line into a proper C declaration. # Some systems (esp. on ia64) link data and code symbols differently, # so use this general approach. lt_cv_sys_global_symbol_to_cdecl="$SED -n"\ $lt_cdecl_hook\ " -e 's/^T .* \(.*\)$/extern int \1();/p'"\ " -e 's/^$symcode$symcode* .* \(.*\)$/extern char \1;/p'" # Transform an extracted symbol line into symbol name and symbol address lt_cv_sys_global_symbol_to_c_name_address="$SED -n"\ $lt_c_name_hook\ " -e 's/^: \(.*\) .*$/ {\"\1\", (void *) 0},/p'"\ " -e 's/^$symcode$symcode* .* \(.*\)$/ {\"\1\", (void *) \&\1},/p'" # Transform an extracted symbol line into symbol name with lib prefix and # symbol address. lt_cv_sys_global_symbol_to_c_name_address_lib_prefix="$SED -n"\ $lt_c_name_lib_hook\ " -e 's/^: \(.*\) .*$/ {\"\1\", (void *) 0},/p'"\ " -e 's/^$symcode$symcode* .* \(lib.*\)$/ {\"\1\", (void *) \&\1},/p'"\ " -e 's/^$symcode$symcode* .* \(.*\)$/ {\"lib\1\", (void *) \&\1},/p'" # Handle CRLF in mingw tool chain opt_cr= case $build_os in mingw*) opt_cr=`$ECHO 'x\{0,1\}' | tr x '\015'` # option cr in regexp ;; esac # Try without a prefix underscore, then with it. for ac_symprfx in "" "_"; do # Transform symcode, sympat, and symprfx into a raw symbol and a C symbol. symxfrm="\\1 $ac_symprfx\\2 \\2" # Write the raw and C identifiers. if test "$lt_cv_nm_interface" = "MS dumpbin"; then # Fake it for dumpbin and say T for any non-static function, # D for any global variable and I for any imported variable. # Also find C++ and __fastcall symbols from MSVC++ or ICC, # which start with @ or ?. lt_cv_sys_global_symbol_pipe="$AWK '"\ " {last_section=section; section=\$ 3};"\ " /^COFF SYMBOL TABLE/{for(i in hide) delete hide[i]};"\ " /Section length .*#relocs.*(pick any)/{hide[last_section]=1};"\ " /^ *Symbol name *: /{split(\$ 0,sn,\":\"); si=substr(sn[2],2)};"\ " /^ *Type *: code/{print \"T\",si,substr(si,length(prfx))};"\ " /^ *Type *: data/{print \"I\",si,substr(si,length(prfx))};"\ " \$ 0!~/External *\|/{next};"\ " / 0+ UNDEF /{next}; / UNDEF \([^|]\)*()/{next};"\ " {if(hide[section]) next};"\ " {f=\"D\"}; \$ 0~/\(\).*\|/{f=\"T\"};"\ " {split(\$ 0,a,/\||\r/); split(a[2],s)};"\ " s[1]~/^[@?]/{print f,s[1],s[1]; next};"\ " s[1]~prfx {split(s[1],t,\"@\"); print f,t[1],substr(t[1],length(prfx))}"\ " ' prfx=^$ac_symprfx" else lt_cv_sys_global_symbol_pipe="$SED -n -e 's/^.*[ ]\($symcode$symcode*\)[ ][ ]*$ac_symprfx$sympat$opt_cr$/$symxfrm/p'" fi lt_cv_sys_global_symbol_pipe="$lt_cv_sys_global_symbol_pipe | $SED '/ __gnu_lto/d'" # Check to see that the pipe works correctly. pipe_works=no rm -f conftest* cat > conftest.$ac_ext <<_LT_EOF #ifdef __cplusplus extern "C" { #endif char nm_test_var; void nm_test_func(void); void nm_test_func(void){} #ifdef __cplusplus } #endif int main(){nm_test_var='a';nm_test_func();return(0);} _LT_EOF if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 (eval $ac_compile) 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then # Now try to grab the symbols. nlist=conftest.nm $ECHO "$as_me:$LINENO: $NM conftest.$ac_objext | $lt_cv_sys_global_symbol_pipe > $nlist" >&5 if eval "$NM" conftest.$ac_objext \| "$lt_cv_sys_global_symbol_pipe" \> $nlist 2>&5 && test -s "$nlist"; then # Try sorting and uniquifying the output. if sort "$nlist" | uniq > "$nlist"T; then mv -f "$nlist"T "$nlist" else rm -f "$nlist"T fi # Make sure that we snagged all the symbols we need. if $GREP ' nm_test_var$' "$nlist" >/dev/null; then if $GREP ' nm_test_func$' "$nlist" >/dev/null; then cat <<_LT_EOF > conftest.$ac_ext /* Keep this code in sync between libtool.m4, ltmain, lt_system.h, and tests. */ #if defined _WIN32 || defined __CYGWIN__ || defined _WIN32_WCE /* DATA imports from DLLs on WIN32 can't be const, because runtime relocations are performed -- see ld's documentation on pseudo-relocs. */ # define LT_DLSYM_CONST #elif defined __osf__ /* This system does not cope well with relocations in const data. */ # define LT_DLSYM_CONST #else # define LT_DLSYM_CONST const #endif #ifdef __cplusplus extern "C" { #endif _LT_EOF # Now generate the symbol file. eval "$lt_cv_sys_global_symbol_to_cdecl"' < "$nlist" | $GREP -v main >> conftest.$ac_ext' cat <<_LT_EOF >> conftest.$ac_ext /* The mapping between symbol names and symbols. */ LT_DLSYM_CONST struct { const char *name; void *address; } lt__PROGRAM__LTX_preloaded_symbols[] = { { "@PROGRAM@", (void *) 0 }, _LT_EOF $SED "s/^$symcode$symcode* .* \(.*\)$/ {\"\1\", (void *) \&\1},/" < "$nlist" | $GREP -v main >> conftest.$ac_ext cat <<\_LT_EOF >> conftest.$ac_ext {0, (void *) 0} }; /* This works around a problem in FreeBSD linker */ #ifdef FREEBSD_WORKAROUND static const void *lt_preloaded_setup() { return lt__PROGRAM__LTX_preloaded_symbols; } #endif #ifdef __cplusplus } #endif _LT_EOF # Now try linking the two files. mv conftest.$ac_objext conftstm.$ac_objext lt_globsym_save_LIBS=$LIBS lt_globsym_save_CFLAGS=$CFLAGS LIBS=conftstm.$ac_objext CFLAGS="$CFLAGS$lt_prog_compiler_no_builtin_flag" if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_link\""; } >&5 (eval $ac_link) 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; } && test -s conftest$ac_exeext; then pipe_works=yes fi LIBS=$lt_globsym_save_LIBS CFLAGS=$lt_globsym_save_CFLAGS else echo "cannot find nm_test_func in $nlist" >&5 fi else echo "cannot find nm_test_var in $nlist" >&5 fi else echo "cannot run $lt_cv_sys_global_symbol_pipe" >&5 fi else echo "$progname: failed program was:" >&5 cat conftest.$ac_ext >&5 fi rm -rf conftest* conftst* # Do not use the global_symbol_pipe unless it works. if test yes = "$pipe_works"; then break else lt_cv_sys_global_symbol_pipe= fi done fi if test -z "$lt_cv_sys_global_symbol_pipe"; then lt_cv_sys_global_symbol_to_cdecl= fi if test -z "$lt_cv_sys_global_symbol_pipe$lt_cv_sys_global_symbol_to_cdecl"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: failed" >&5 printf "%s\n" "failed" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: ok" >&5 printf "%s\n" "ok" >&6; } fi # Response file support. if test "$lt_cv_nm_interface" = "MS dumpbin"; then nm_file_list_spec='@' elif $NM --help 2>/dev/null | grep '[@]FILE' >/dev/null; then nm_file_list_spec='@' fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for sysroot" >&5 printf %s "checking for sysroot... " >&6; } # Check whether --with-sysroot was given. if test ${with_sysroot+y} then : withval=$with_sysroot; else $as_nop with_sysroot=no fi lt_sysroot= case $with_sysroot in #( yes) if test yes = "$GCC"; then lt_sysroot=`$CC --print-sysroot 2>/dev/null` fi ;; #( /*) lt_sysroot=`echo "$with_sysroot" | $SED -e "$sed_quote_subst"` ;; #( no|'') ;; #( *) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $with_sysroot" >&5 printf "%s\n" "$with_sysroot" >&6; } as_fn_error $? "The sysroot must be an absolute path." "$LINENO" 5 ;; esac { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: ${lt_sysroot:-no}" >&5 printf "%s\n" "${lt_sysroot:-no}" >&6; } { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for a working dd" >&5 printf %s "checking for a working dd... " >&6; } if test ${ac_cv_path_lt_DD+y} then : printf %s "(cached) " >&6 else $as_nop printf 0123456789abcdef0123456789abcdef >conftest.i cat conftest.i conftest.i >conftest2.i : ${lt_DD:=$DD} if test -z "$lt_DD"; then ac_path_lt_DD_found=false # Loop through the user's path and test for each of PROGNAME-LIST as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_prog in dd do for ac_exec_ext in '' $ac_executable_extensions; do ac_path_lt_DD="$as_dir$ac_prog$ac_exec_ext" as_fn_executable_p "$ac_path_lt_DD" || continue if "$ac_path_lt_DD" bs=32 count=1 conftest.out 2>/dev/null; then cmp -s conftest.i conftest.out \ && ac_cv_path_lt_DD="$ac_path_lt_DD" ac_path_lt_DD_found=: fi $ac_path_lt_DD_found && break 3 done done done IFS=$as_save_IFS if test -z "$ac_cv_path_lt_DD"; then : fi else ac_cv_path_lt_DD=$lt_DD fi rm -f conftest.i conftest2.i conftest.out fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_lt_DD" >&5 printf "%s\n" "$ac_cv_path_lt_DD" >&6; } { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking how to truncate binary pipes" >&5 printf %s "checking how to truncate binary pipes... " >&6; } if test ${lt_cv_truncate_bin+y} then : printf %s "(cached) " >&6 else $as_nop printf 0123456789abcdef0123456789abcdef >conftest.i cat conftest.i conftest.i >conftest2.i lt_cv_truncate_bin= if "$ac_cv_path_lt_DD" bs=32 count=1 conftest.out 2>/dev/null; then cmp -s conftest.i conftest.out \ && lt_cv_truncate_bin="$ac_cv_path_lt_DD bs=4096 count=1" fi rm -f conftest.i conftest2.i conftest.out test -z "$lt_cv_truncate_bin" && lt_cv_truncate_bin="$SED -e 4q" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_truncate_bin" >&5 printf "%s\n" "$lt_cv_truncate_bin" >&6; } # Calculate cc_basename. Skip known compiler wrappers and cross-prefix. func_cc_basename () { for cc_temp in $*""; do case $cc_temp in compile | *[\\/]compile | ccache | *[\\/]ccache ) ;; distcc | *[\\/]distcc | purify | *[\\/]purify ) ;; \-*) ;; *) break;; esac done func_cc_basename_result=`$ECHO "$cc_temp" | $SED "s%.*/%%; s%^$host_alias-%%"` } # Check whether --enable-libtool-lock was given. if test ${enable_libtool_lock+y} then : enableval=$enable_libtool_lock; fi test no = "$enable_libtool_lock" || enable_libtool_lock=yes # Some flags need to be propagated to the compiler or linker for good # libtool support. case $host in ia64-*-hpux*) # Find out what ABI is being produced by ac_compile, and set mode # options accordingly. echo 'int i;' > conftest.$ac_ext if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 (eval $ac_compile) 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then case `$FILECMD conftest.$ac_objext` in *ELF-32*) HPUX_IA64_MODE=32 ;; *ELF-64*) HPUX_IA64_MODE=64 ;; esac fi rm -rf conftest* ;; *-*-irix6*) # Find out what ABI is being produced by ac_compile, and set linker # options accordingly. echo '#line '$LINENO' "configure"' > conftest.$ac_ext if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 (eval $ac_compile) 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then if test yes = "$lt_cv_prog_gnu_ld"; then case `$FILECMD conftest.$ac_objext` in *32-bit*) LD="${LD-ld} -melf32bsmip" ;; *N32*) LD="${LD-ld} -melf32bmipn32" ;; *64-bit*) LD="${LD-ld} -melf64bmip" ;; esac else case `$FILECMD conftest.$ac_objext` in *32-bit*) LD="${LD-ld} -32" ;; *N32*) LD="${LD-ld} -n32" ;; *64-bit*) LD="${LD-ld} -64" ;; esac fi fi rm -rf conftest* ;; mips64*-*linux*) # Find out what ABI is being produced by ac_compile, and set linker # options accordingly. echo '#line '$LINENO' "configure"' > conftest.$ac_ext if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 (eval $ac_compile) 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then emul=elf case `$FILECMD conftest.$ac_objext` in *32-bit*) emul="${emul}32" ;; *64-bit*) emul="${emul}64" ;; esac case `$FILECMD conftest.$ac_objext` in *MSB*) emul="${emul}btsmip" ;; *LSB*) emul="${emul}ltsmip" ;; esac case `$FILECMD conftest.$ac_objext` in *N32*) emul="${emul}n32" ;; esac LD="${LD-ld} -m $emul" fi rm -rf conftest* ;; x86_64-*kfreebsd*-gnu|x86_64-*linux*|powerpc*-*linux*| \ s390*-*linux*|s390*-*tpf*|sparc*-*linux*) # Find out what ABI is being produced by ac_compile, and set linker # options accordingly. Note that the listed cases only cover the # situations where additional linker options are needed (such as when # doing 32-bit compilation for a host where ld defaults to 64-bit, or # vice versa); the common cases where no linker options are needed do # not appear in the list. echo 'int i;' > conftest.$ac_ext if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 (eval $ac_compile) 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then case `$FILECMD conftest.o` in *32-bit*) case $host in x86_64-*kfreebsd*-gnu) LD="${LD-ld} -m elf_i386_fbsd" ;; x86_64-*linux*) case `$FILECMD conftest.o` in *x86-64*) LD="${LD-ld} -m elf32_x86_64" ;; *) LD="${LD-ld} -m elf_i386" ;; esac ;; powerpc64le-*linux*) LD="${LD-ld} -m elf32lppclinux" ;; powerpc64-*linux*) LD="${LD-ld} -m elf32ppclinux" ;; s390x-*linux*) LD="${LD-ld} -m elf_s390" ;; sparc64-*linux*) LD="${LD-ld} -m elf32_sparc" ;; esac ;; *64-bit*) case $host in x86_64-*kfreebsd*-gnu) LD="${LD-ld} -m elf_x86_64_fbsd" ;; x86_64-*linux*) LD="${LD-ld} -m elf_x86_64" ;; powerpcle-*linux*) LD="${LD-ld} -m elf64lppc" ;; powerpc-*linux*) LD="${LD-ld} -m elf64ppc" ;; s390*-*linux*|s390*-*tpf*) LD="${LD-ld} -m elf64_s390" ;; sparc*-*linux*) LD="${LD-ld} -m elf64_sparc" ;; esac ;; esac fi rm -rf conftest* ;; *-*-sco3.2v5*) # On SCO OpenServer 5, we need -belf to get full-featured binaries. SAVE_CFLAGS=$CFLAGS CFLAGS="$CFLAGS -belf" { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the C compiler needs -belf" >&5 printf %s "checking whether the C compiler needs -belf... " >&6; } if test ${lt_cv_cc_needs_belf+y} then : printf %s "(cached) " >&6 else $as_nop ac_ext=c ac_cpp='$CPP $CPPFLAGS' ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' ac_compiler_gnu=$ac_cv_c_compiler_gnu cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main (void) { ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : lt_cv_cc_needs_belf=yes else $as_nop lt_cv_cc_needs_belf=no fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext ac_ext=c ac_cpp='$CPP $CPPFLAGS' ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' ac_compiler_gnu=$ac_cv_c_compiler_gnu fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_cc_needs_belf" >&5 printf "%s\n" "$lt_cv_cc_needs_belf" >&6; } if test yes != "$lt_cv_cc_needs_belf"; then # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf CFLAGS=$SAVE_CFLAGS fi ;; *-*solaris*) # Find out what ABI is being produced by ac_compile, and set linker # options accordingly. echo 'int i;' > conftest.$ac_ext if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 (eval $ac_compile) 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then case `$FILECMD conftest.o` in *64-bit*) case $lt_cv_prog_gnu_ld in yes*) case $host in i?86-*-solaris*|x86_64-*-solaris*) LD="${LD-ld} -m elf_x86_64" ;; sparc*-*-solaris*) LD="${LD-ld} -m elf64_sparc" ;; esac # GNU ld 2.21 introduced _sol2 emulations. Use them if available. if ${LD-ld} -V | grep _sol2 >/dev/null 2>&1; then LD=${LD-ld}_sol2 fi ;; *) if ${LD-ld} -64 -r -o conftest2.o conftest.o >/dev/null 2>&1; then LD="${LD-ld} -64" fi ;; esac ;; esac fi rm -rf conftest* ;; esac need_locks=$enable_libtool_lock if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}mt", so it can be a program name with args. set dummy ${ac_tool_prefix}mt; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_MANIFEST_TOOL+y} then : printf %s "(cached) " >&6 else $as_nop if test -n "$MANIFEST_TOOL"; then ac_cv_prog_MANIFEST_TOOL="$MANIFEST_TOOL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_MANIFEST_TOOL="${ac_tool_prefix}mt" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi MANIFEST_TOOL=$ac_cv_prog_MANIFEST_TOOL if test -n "$MANIFEST_TOOL"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $MANIFEST_TOOL" >&5 printf "%s\n" "$MANIFEST_TOOL" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi fi if test -z "$ac_cv_prog_MANIFEST_TOOL"; then ac_ct_MANIFEST_TOOL=$MANIFEST_TOOL # Extract the first word of "mt", so it can be a program name with args. set dummy mt; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_ac_ct_MANIFEST_TOOL+y} then : printf %s "(cached) " >&6 else $as_nop if test -n "$ac_ct_MANIFEST_TOOL"; then ac_cv_prog_ac_ct_MANIFEST_TOOL="$ac_ct_MANIFEST_TOOL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_MANIFEST_TOOL="mt" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_MANIFEST_TOOL=$ac_cv_prog_ac_ct_MANIFEST_TOOL if test -n "$ac_ct_MANIFEST_TOOL"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_MANIFEST_TOOL" >&5 printf "%s\n" "$ac_ct_MANIFEST_TOOL" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi if test "x$ac_ct_MANIFEST_TOOL" = x; then MANIFEST_TOOL=":" else case $cross_compiling:$ac_tool_warned in yes:) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac MANIFEST_TOOL=$ac_ct_MANIFEST_TOOL fi else MANIFEST_TOOL="$ac_cv_prog_MANIFEST_TOOL" fi test -z "$MANIFEST_TOOL" && MANIFEST_TOOL=mt { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if $MANIFEST_TOOL is a manifest tool" >&5 printf %s "checking if $MANIFEST_TOOL is a manifest tool... " >&6; } if test ${lt_cv_path_mainfest_tool+y} then : printf %s "(cached) " >&6 else $as_nop lt_cv_path_mainfest_tool=no echo "$as_me:$LINENO: $MANIFEST_TOOL '-?'" >&5 $MANIFEST_TOOL '-?' 2>conftest.err > conftest.out cat conftest.err >&5 if $GREP 'Manifest Tool' conftest.out > /dev/null; then lt_cv_path_mainfest_tool=yes fi rm -f conftest* fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_path_mainfest_tool" >&5 printf "%s\n" "$lt_cv_path_mainfest_tool" >&6; } if test yes != "$lt_cv_path_mainfest_tool"; then MANIFEST_TOOL=: fi case $host_os in rhapsody* | darwin*) if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}dsymutil", so it can be a program name with args. set dummy ${ac_tool_prefix}dsymutil; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_DSYMUTIL+y} then : printf %s "(cached) " >&6 else $as_nop if test -n "$DSYMUTIL"; then ac_cv_prog_DSYMUTIL="$DSYMUTIL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_DSYMUTIL="${ac_tool_prefix}dsymutil" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi DSYMUTIL=$ac_cv_prog_DSYMUTIL if test -n "$DSYMUTIL"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $DSYMUTIL" >&5 printf "%s\n" "$DSYMUTIL" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi fi if test -z "$ac_cv_prog_DSYMUTIL"; then ac_ct_DSYMUTIL=$DSYMUTIL # Extract the first word of "dsymutil", so it can be a program name with args. set dummy dsymutil; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_ac_ct_DSYMUTIL+y} then : printf %s "(cached) " >&6 else $as_nop if test -n "$ac_ct_DSYMUTIL"; then ac_cv_prog_ac_ct_DSYMUTIL="$ac_ct_DSYMUTIL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_DSYMUTIL="dsymutil" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_DSYMUTIL=$ac_cv_prog_ac_ct_DSYMUTIL if test -n "$ac_ct_DSYMUTIL"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DSYMUTIL" >&5 printf "%s\n" "$ac_ct_DSYMUTIL" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi if test "x$ac_ct_DSYMUTIL" = x; then DSYMUTIL=":" else case $cross_compiling:$ac_tool_warned in yes:) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac DSYMUTIL=$ac_ct_DSYMUTIL fi else DSYMUTIL="$ac_cv_prog_DSYMUTIL" fi if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}nmedit", so it can be a program name with args. set dummy ${ac_tool_prefix}nmedit; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_NMEDIT+y} then : printf %s "(cached) " >&6 else $as_nop if test -n "$NMEDIT"; then ac_cv_prog_NMEDIT="$NMEDIT" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_NMEDIT="${ac_tool_prefix}nmedit" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi NMEDIT=$ac_cv_prog_NMEDIT if test -n "$NMEDIT"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $NMEDIT" >&5 printf "%s\n" "$NMEDIT" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi fi if test -z "$ac_cv_prog_NMEDIT"; then ac_ct_NMEDIT=$NMEDIT # Extract the first word of "nmedit", so it can be a program name with args. set dummy nmedit; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_ac_ct_NMEDIT+y} then : printf %s "(cached) " >&6 else $as_nop if test -n "$ac_ct_NMEDIT"; then ac_cv_prog_ac_ct_NMEDIT="$ac_ct_NMEDIT" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_NMEDIT="nmedit" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_NMEDIT=$ac_cv_prog_ac_ct_NMEDIT if test -n "$ac_ct_NMEDIT"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_NMEDIT" >&5 printf "%s\n" "$ac_ct_NMEDIT" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi if test "x$ac_ct_NMEDIT" = x; then NMEDIT=":" else case $cross_compiling:$ac_tool_warned in yes:) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac NMEDIT=$ac_ct_NMEDIT fi else NMEDIT="$ac_cv_prog_NMEDIT" fi if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}lipo", so it can be a program name with args. set dummy ${ac_tool_prefix}lipo; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_LIPO+y} then : printf %s "(cached) " >&6 else $as_nop if test -n "$LIPO"; then ac_cv_prog_LIPO="$LIPO" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_LIPO="${ac_tool_prefix}lipo" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi LIPO=$ac_cv_prog_LIPO if test -n "$LIPO"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $LIPO" >&5 printf "%s\n" "$LIPO" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi fi if test -z "$ac_cv_prog_LIPO"; then ac_ct_LIPO=$LIPO # Extract the first word of "lipo", so it can be a program name with args. set dummy lipo; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_ac_ct_LIPO+y} then : printf %s "(cached) " >&6 else $as_nop if test -n "$ac_ct_LIPO"; then ac_cv_prog_ac_ct_LIPO="$ac_ct_LIPO" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_LIPO="lipo" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_LIPO=$ac_cv_prog_ac_ct_LIPO if test -n "$ac_ct_LIPO"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_LIPO" >&5 printf "%s\n" "$ac_ct_LIPO" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi if test "x$ac_ct_LIPO" = x; then LIPO=":" else case $cross_compiling:$ac_tool_warned in yes:) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac LIPO=$ac_ct_LIPO fi else LIPO="$ac_cv_prog_LIPO" fi if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}otool", so it can be a program name with args. set dummy ${ac_tool_prefix}otool; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_OTOOL+y} then : printf %s "(cached) " >&6 else $as_nop if test -n "$OTOOL"; then ac_cv_prog_OTOOL="$OTOOL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_OTOOL="${ac_tool_prefix}otool" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi OTOOL=$ac_cv_prog_OTOOL if test -n "$OTOOL"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $OTOOL" >&5 printf "%s\n" "$OTOOL" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi fi if test -z "$ac_cv_prog_OTOOL"; then ac_ct_OTOOL=$OTOOL # Extract the first word of "otool", so it can be a program name with args. set dummy otool; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_ac_ct_OTOOL+y} then : printf %s "(cached) " >&6 else $as_nop if test -n "$ac_ct_OTOOL"; then ac_cv_prog_ac_ct_OTOOL="$ac_ct_OTOOL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_OTOOL="otool" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_OTOOL=$ac_cv_prog_ac_ct_OTOOL if test -n "$ac_ct_OTOOL"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OTOOL" >&5 printf "%s\n" "$ac_ct_OTOOL" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi if test "x$ac_ct_OTOOL" = x; then OTOOL=":" else case $cross_compiling:$ac_tool_warned in yes:) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac OTOOL=$ac_ct_OTOOL fi else OTOOL="$ac_cv_prog_OTOOL" fi if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}otool64", so it can be a program name with args. set dummy ${ac_tool_prefix}otool64; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_OTOOL64+y} then : printf %s "(cached) " >&6 else $as_nop if test -n "$OTOOL64"; then ac_cv_prog_OTOOL64="$OTOOL64" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_OTOOL64="${ac_tool_prefix}otool64" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi OTOOL64=$ac_cv_prog_OTOOL64 if test -n "$OTOOL64"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $OTOOL64" >&5 printf "%s\n" "$OTOOL64" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi fi if test -z "$ac_cv_prog_OTOOL64"; then ac_ct_OTOOL64=$OTOOL64 # Extract the first word of "otool64", so it can be a program name with args. set dummy otool64; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_ac_ct_OTOOL64+y} then : printf %s "(cached) " >&6 else $as_nop if test -n "$ac_ct_OTOOL64"; then ac_cv_prog_ac_ct_OTOOL64="$ac_ct_OTOOL64" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_OTOOL64="otool64" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_OTOOL64=$ac_cv_prog_ac_ct_OTOOL64 if test -n "$ac_ct_OTOOL64"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OTOOL64" >&5 printf "%s\n" "$ac_ct_OTOOL64" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi if test "x$ac_ct_OTOOL64" = x; then OTOOL64=":" else case $cross_compiling:$ac_tool_warned in yes:) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac OTOOL64=$ac_ct_OTOOL64 fi else OTOOL64="$ac_cv_prog_OTOOL64" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for -single_module linker flag" >&5 printf %s "checking for -single_module linker flag... " >&6; } if test ${lt_cv_apple_cc_single_mod+y} then : printf %s "(cached) " >&6 else $as_nop lt_cv_apple_cc_single_mod=no if test -z "$LT_MULTI_MODULE"; then # By default we will add the -single_module flag. You can override # by either setting the environment variable LT_MULTI_MODULE # non-empty at configure time, or by adding -multi_module to the # link flags. rm -rf libconftest.dylib* echo "int foo(void){return 1;}" > conftest.c echo "$LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \ -dynamiclib -Wl,-single_module conftest.c" >&5 $LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \ -dynamiclib -Wl,-single_module conftest.c 2>conftest.err _lt_result=$? # If there is a non-empty error log, and "single_module" # appears in it, assume the flag caused a linker warning if test -s conftest.err && $GREP single_module conftest.err; then cat conftest.err >&5 # Otherwise, if the output was created with a 0 exit code from # the compiler, it worked. elif test -f libconftest.dylib && test 0 = "$_lt_result"; then lt_cv_apple_cc_single_mod=yes else cat conftest.err >&5 fi rm -rf libconftest.dylib* rm -f conftest.* fi fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_apple_cc_single_mod" >&5 printf "%s\n" "$lt_cv_apple_cc_single_mod" >&6; } { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for -exported_symbols_list linker flag" >&5 printf %s "checking for -exported_symbols_list linker flag... " >&6; } if test ${lt_cv_ld_exported_symbols_list+y} then : printf %s "(cached) " >&6 else $as_nop lt_cv_ld_exported_symbols_list=no save_LDFLAGS=$LDFLAGS echo "_main" > conftest.sym LDFLAGS="$LDFLAGS -Wl,-exported_symbols_list,conftest.sym" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main (void) { ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : lt_cv_ld_exported_symbols_list=yes else $as_nop lt_cv_ld_exported_symbols_list=no fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext LDFLAGS=$save_LDFLAGS fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ld_exported_symbols_list" >&5 printf "%s\n" "$lt_cv_ld_exported_symbols_list" >&6; } { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for -force_load linker flag" >&5 printf %s "checking for -force_load linker flag... " >&6; } if test ${lt_cv_ld_force_load+y} then : printf %s "(cached) " >&6 else $as_nop lt_cv_ld_force_load=no cat > conftest.c << _LT_EOF int forced_loaded() { return 2;} _LT_EOF echo "$LTCC $LTCFLAGS -c -o conftest.o conftest.c" >&5 $LTCC $LTCFLAGS -c -o conftest.o conftest.c 2>&5 echo "$AR $AR_FLAGS libconftest.a conftest.o" >&5 $AR $AR_FLAGS libconftest.a conftest.o 2>&5 echo "$RANLIB libconftest.a" >&5 $RANLIB libconftest.a 2>&5 cat > conftest.c << _LT_EOF int main() { return 0;} _LT_EOF echo "$LTCC $LTCFLAGS $LDFLAGS -o conftest conftest.c -Wl,-force_load,./libconftest.a" >&5 $LTCC $LTCFLAGS $LDFLAGS -o conftest conftest.c -Wl,-force_load,./libconftest.a 2>conftest.err _lt_result=$? if test -s conftest.err && $GREP force_load conftest.err; then cat conftest.err >&5 elif test -f conftest && test 0 = "$_lt_result" && $GREP forced_load conftest >/dev/null 2>&1; then lt_cv_ld_force_load=yes else cat conftest.err >&5 fi rm -f conftest.err libconftest.a conftest conftest.c rm -rf conftest.dSYM fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ld_force_load" >&5 printf "%s\n" "$lt_cv_ld_force_load" >&6; } case $host_os in rhapsody* | darwin1.[012]) _lt_dar_allow_undefined='$wl-undefined ${wl}suppress' ;; darwin1.*) _lt_dar_allow_undefined='$wl-flat_namespace $wl-undefined ${wl}suppress' ;; darwin*) case $MACOSX_DEPLOYMENT_TARGET,$host in 10.[012],*|,*powerpc*-darwin[5-8]*) _lt_dar_allow_undefined='$wl-flat_namespace $wl-undefined ${wl}suppress' ;; *) _lt_dar_allow_undefined='$wl-undefined ${wl}dynamic_lookup' ;; esac ;; esac if test yes = "$lt_cv_apple_cc_single_mod"; then _lt_dar_single_mod='$single_module' fi if test yes = "$lt_cv_ld_exported_symbols_list"; then _lt_dar_export_syms=' $wl-exported_symbols_list,$output_objdir/$libname-symbols.expsym' else _lt_dar_export_syms='~$NMEDIT -s $output_objdir/$libname-symbols.expsym $lib' fi if test : != "$DSYMUTIL" && test no = "$lt_cv_ld_force_load"; then _lt_dsymutil='~$DSYMUTIL $lib || :' else _lt_dsymutil= fi ;; esac # func_munge_path_list VARIABLE PATH # ----------------------------------- # VARIABLE is name of variable containing _space_ separated list of # directories to be munged by the contents of PATH, which is string # having a format: # "DIR[:DIR]:" # string "DIR[ DIR]" will be prepended to VARIABLE # ":DIR[:DIR]" # string "DIR[ DIR]" will be appended to VARIABLE # "DIRP[:DIRP]::[DIRA:]DIRA" # string "DIRP[ DIRP]" will be prepended to VARIABLE and string # "DIRA[ DIRA]" will be appended to VARIABLE # "DIR[:DIR]" # VARIABLE will be replaced by "DIR[ DIR]" func_munge_path_list () { case x$2 in x) ;; *:) eval $1=\"`$ECHO $2 | $SED 's/:/ /g'` \$$1\" ;; x:*) eval $1=\"\$$1 `$ECHO $2 | $SED 's/:/ /g'`\" ;; *::*) eval $1=\"\$$1\ `$ECHO $2 | $SED -e 's/.*:://' -e 's/:/ /g'`\" eval $1=\"`$ECHO $2 | $SED -e 's/::.*//' -e 's/:/ /g'`\ \$$1\" ;; *) eval $1=\"`$ECHO $2 | $SED 's/:/ /g'`\" ;; esac } ac_header= ac_cache= for ac_item in $ac_header_c_list do if test $ac_cache; then ac_fn_c_check_header_compile "$LINENO" $ac_header ac_cv_header_$ac_cache "$ac_includes_default" if eval test \"x\$ac_cv_header_$ac_cache\" = xyes; then printf "%s\n" "#define $ac_item 1" >> confdefs.h fi ac_header= ac_cache= elif test $ac_header; then ac_cache=$ac_item else ac_header=$ac_item fi done if test $ac_cv_header_stdlib_h = yes && test $ac_cv_header_string_h = yes then : printf "%s\n" "#define STDC_HEADERS 1" >>confdefs.h fi ac_fn_c_check_header_compile "$LINENO" "dlfcn.h" "ac_cv_header_dlfcn_h" "$ac_includes_default " if test "x$ac_cv_header_dlfcn_h" = xyes then : printf "%s\n" "#define HAVE_DLFCN_H 1" >>confdefs.h fi # Set options enable_dlopen=no enable_win32_dll=no # Check whether --enable-shared was given. if test ${enable_shared+y} then : enableval=$enable_shared; p=${PACKAGE-default} case $enableval in yes) enable_shared=yes ;; no) enable_shared=no ;; *) enable_shared=no # Look at the argument we got. We use all the common list separators. lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR, for pkg in $enableval; do IFS=$lt_save_ifs if test "X$pkg" = "X$p"; then enable_shared=yes fi done IFS=$lt_save_ifs ;; esac else $as_nop enable_shared=yes fi # Check whether --enable-static was given. if test ${enable_static+y} then : enableval=$enable_static; p=${PACKAGE-default} case $enableval in yes) enable_static=yes ;; no) enable_static=no ;; *) enable_static=no # Look at the argument we got. We use all the common list separators. lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR, for pkg in $enableval; do IFS=$lt_save_ifs if test "X$pkg" = "X$p"; then enable_static=yes fi done IFS=$lt_save_ifs ;; esac else $as_nop enable_static=yes fi # Check whether --with-pic was given. if test ${with_pic+y} then : withval=$with_pic; lt_p=${PACKAGE-default} case $withval in yes|no) pic_mode=$withval ;; *) pic_mode=default # Look at the argument we got. We use all the common list separators. lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR, for lt_pkg in $withval; do IFS=$lt_save_ifs if test "X$lt_pkg" = "X$lt_p"; then pic_mode=yes fi done IFS=$lt_save_ifs ;; esac else $as_nop pic_mode=default fi # Check whether --enable-fast-install was given. if test ${enable_fast_install+y} then : enableval=$enable_fast_install; p=${PACKAGE-default} case $enableval in yes) enable_fast_install=yes ;; no) enable_fast_install=no ;; *) enable_fast_install=no # Look at the argument we got. We use all the common list separators. lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR, for pkg in $enableval; do IFS=$lt_save_ifs if test "X$pkg" = "X$p"; then enable_fast_install=yes fi done IFS=$lt_save_ifs ;; esac else $as_nop enable_fast_install=yes fi shared_archive_member_spec= case $host,$enable_shared in power*-*-aix[5-9]*,yes) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking which variant of shared library versioning to provide" >&5 printf %s "checking which variant of shared library versioning to provide... " >&6; } # Check whether --with-aix-soname was given. if test ${with_aix_soname+y} then : withval=$with_aix_soname; case $withval in aix|svr4|both) ;; *) as_fn_error $? "Unknown argument to --with-aix-soname" "$LINENO" 5 ;; esac lt_cv_with_aix_soname=$with_aix_soname else $as_nop if test ${lt_cv_with_aix_soname+y} then : printf %s "(cached) " >&6 else $as_nop lt_cv_with_aix_soname=aix fi with_aix_soname=$lt_cv_with_aix_soname fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $with_aix_soname" >&5 printf "%s\n" "$with_aix_soname" >&6; } if test aix != "$with_aix_soname"; then # For the AIX way of multilib, we name the shared archive member # based on the bitwidth used, traditionally 'shr.o' or 'shr_64.o', # and 'shr.imp' or 'shr_64.imp', respectively, for the Import File. # Even when GNU compilers ignore OBJECT_MODE but need '-maix64' flag, # the AIX toolchain works better with OBJECT_MODE set (default 32). if test 64 = "${OBJECT_MODE-32}"; then shared_archive_member_spec=shr_64 else shared_archive_member_spec=shr fi fi ;; *) with_aix_soname=aix ;; esac # This can be used to rebuild libtool when needed LIBTOOL_DEPS=$ltmain # Always use our own libtool. LIBTOOL='$(SHELL) $(top_builddir)/libtool' test -z "$LN_S" && LN_S="ln -s" if test -n "${ZSH_VERSION+set}"; then setopt NO_GLOB_SUBST fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for objdir" >&5 printf %s "checking for objdir... " >&6; } if test ${lt_cv_objdir+y} then : printf %s "(cached) " >&6 else $as_nop rm -f .libs 2>/dev/null mkdir .libs 2>/dev/null if test -d .libs; then lt_cv_objdir=.libs else # MS-DOS does not allow filenames that begin with a dot. lt_cv_objdir=_libs fi rmdir .libs 2>/dev/null fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_objdir" >&5 printf "%s\n" "$lt_cv_objdir" >&6; } objdir=$lt_cv_objdir printf "%s\n" "#define LT_OBJDIR \"$lt_cv_objdir/\"" >>confdefs.h case $host_os in aix3*) # AIX sometimes has problems with the GCC collect2 program. For some # reason, if we set the COLLECT_NAMES environment variable, the problems # vanish in a puff of smoke. if test set != "${COLLECT_NAMES+set}"; then COLLECT_NAMES= export COLLECT_NAMES fi ;; esac # Global variables: ofile=libtool can_build_shared=yes # All known linkers require a '.a' archive for static linking (except MSVC and # ICC, which need '.lib'). libext=a with_gnu_ld=$lt_cv_prog_gnu_ld old_CC=$CC old_CFLAGS=$CFLAGS # Set sane defaults for various variables test -z "$CC" && CC=cc test -z "$LTCC" && LTCC=$CC test -z "$LTCFLAGS" && LTCFLAGS=$CFLAGS test -z "$LD" && LD=ld test -z "$ac_objext" && ac_objext=o func_cc_basename $compiler cc_basename=$func_cc_basename_result # Only perform the check for file, if the check method requires it test -z "$MAGIC_CMD" && MAGIC_CMD=file case $deplibs_check_method in file_magic*) if test "$file_magic_cmd" = '$MAGIC_CMD'; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for ${ac_tool_prefix}file" >&5 printf %s "checking for ${ac_tool_prefix}file... " >&6; } if test ${lt_cv_path_MAGIC_CMD+y} then : printf %s "(cached) " >&6 else $as_nop case $MAGIC_CMD in [\\/*] | ?:[\\/]*) lt_cv_path_MAGIC_CMD=$MAGIC_CMD # Let the user override the test with a path. ;; *) lt_save_MAGIC_CMD=$MAGIC_CMD lt_save_ifs=$IFS; IFS=$PATH_SEPARATOR ac_dummy="/usr/bin$PATH_SEPARATOR$PATH" for ac_dir in $ac_dummy; do IFS=$lt_save_ifs test -z "$ac_dir" && ac_dir=. if test -f "$ac_dir/${ac_tool_prefix}file"; then lt_cv_path_MAGIC_CMD=$ac_dir/"${ac_tool_prefix}file" if test -n "$file_magic_test_file"; then case $deplibs_check_method in "file_magic "*) file_magic_regex=`expr "$deplibs_check_method" : "file_magic \(.*\)"` MAGIC_CMD=$lt_cv_path_MAGIC_CMD if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null | $EGREP "$file_magic_regex" > /dev/null; then : else cat <<_LT_EOF 1>&2 *** Warning: the command libtool uses to detect shared libraries, *** $file_magic_cmd, produces output that libtool cannot recognize. *** The result is that libtool may fail to recognize shared libraries *** as such. This will affect the creation of libtool libraries that *** depend on shared libraries, but programs linked with such libtool *** libraries will work regardless of this problem. Nevertheless, you *** may want to report the problem to your system manager and/or to *** bug-libtool@gnu.org _LT_EOF fi ;; esac fi break fi done IFS=$lt_save_ifs MAGIC_CMD=$lt_save_MAGIC_CMD ;; esac fi MAGIC_CMD=$lt_cv_path_MAGIC_CMD if test -n "$MAGIC_CMD"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $MAGIC_CMD" >&5 printf "%s\n" "$MAGIC_CMD" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi if test -z "$lt_cv_path_MAGIC_CMD"; then if test -n "$ac_tool_prefix"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for file" >&5 printf %s "checking for file... " >&6; } if test ${lt_cv_path_MAGIC_CMD+y} then : printf %s "(cached) " >&6 else $as_nop case $MAGIC_CMD in [\\/*] | ?:[\\/]*) lt_cv_path_MAGIC_CMD=$MAGIC_CMD # Let the user override the test with a path. ;; *) lt_save_MAGIC_CMD=$MAGIC_CMD lt_save_ifs=$IFS; IFS=$PATH_SEPARATOR ac_dummy="/usr/bin$PATH_SEPARATOR$PATH" for ac_dir in $ac_dummy; do IFS=$lt_save_ifs test -z "$ac_dir" && ac_dir=. if test -f "$ac_dir/file"; then lt_cv_path_MAGIC_CMD=$ac_dir/"file" if test -n "$file_magic_test_file"; then case $deplibs_check_method in "file_magic "*) file_magic_regex=`expr "$deplibs_check_method" : "file_magic \(.*\)"` MAGIC_CMD=$lt_cv_path_MAGIC_CMD if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null | $EGREP "$file_magic_regex" > /dev/null; then : else cat <<_LT_EOF 1>&2 *** Warning: the command libtool uses to detect shared libraries, *** $file_magic_cmd, produces output that libtool cannot recognize. *** The result is that libtool may fail to recognize shared libraries *** as such. This will affect the creation of libtool libraries that *** depend on shared libraries, but programs linked with such libtool *** libraries will work regardless of this problem. Nevertheless, you *** may want to report the problem to your system manager and/or to *** bug-libtool@gnu.org _LT_EOF fi ;; esac fi break fi done IFS=$lt_save_ifs MAGIC_CMD=$lt_save_MAGIC_CMD ;; esac fi MAGIC_CMD=$lt_cv_path_MAGIC_CMD if test -n "$MAGIC_CMD"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $MAGIC_CMD" >&5 printf "%s\n" "$MAGIC_CMD" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi else MAGIC_CMD=: fi fi fi ;; esac # Use C for the default configuration in the libtool script lt_save_CC=$CC ac_ext=c ac_cpp='$CPP $CPPFLAGS' ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' ac_compiler_gnu=$ac_cv_c_compiler_gnu # Source file extension for C test sources. ac_ext=c # Object file extension for compiled C test sources. objext=o objext=$objext # Code to be used in simple compile tests lt_simple_compile_test_code="int some_variable = 0;" # Code to be used in simple link tests lt_simple_link_test_code='int main(){return(0);}' # If no C compiler was specified, use CC. LTCC=${LTCC-"$CC"} # If no C compiler flags were specified, use CFLAGS. LTCFLAGS=${LTCFLAGS-"$CFLAGS"} # Allow CC to be a program name with arguments. compiler=$CC # Save the default compiler, since it gets overwritten when the other # tags are being tested, and _LT_TAGVAR(compiler, []) is a NOP. compiler_DEFAULT=$CC # save warnings/boilerplate of simple test code ac_outfile=conftest.$ac_objext echo "$lt_simple_compile_test_code" >conftest.$ac_ext eval "$ac_compile" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err _lt_compiler_boilerplate=`cat conftest.err` $RM conftest* ac_outfile=conftest.$ac_objext echo "$lt_simple_link_test_code" >conftest.$ac_ext eval "$ac_link" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err _lt_linker_boilerplate=`cat conftest.err` $RM -r conftest* if test -n "$compiler"; then lt_prog_compiler_no_builtin_flag= if test yes = "$GCC"; then case $cc_basename in nvcc*) lt_prog_compiler_no_builtin_flag=' -Xcompiler -fno-builtin' ;; *) lt_prog_compiler_no_builtin_flag=' -fno-builtin' ;; esac { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if $compiler supports -fno-rtti -fno-exceptions" >&5 printf %s "checking if $compiler supports -fno-rtti -fno-exceptions... " >&6; } if test ${lt_cv_prog_compiler_rtti_exceptions+y} then : printf %s "(cached) " >&6 else $as_nop lt_cv_prog_compiler_rtti_exceptions=no ac_outfile=conftest.$ac_objext echo "$lt_simple_compile_test_code" > conftest.$ac_ext lt_compiler_flag="-fno-rtti -fno-exceptions" ## exclude from sc_useless_quotes_in_assignment # Insert the option either (1) after the last *FLAGS variable, or # (2) before a word containing "conftest.", or (3) at the end. # Note that $ac_compile itself does not contain backslashes and begins # with a dollar sign (not a hyphen), so the echo should work correctly. # The option is referenced via a variable to avoid confusing sed. lt_compile=`echo "$ac_compile" | $SED \ -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ -e 's:$: $lt_compiler_flag:'` (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&5) (eval "$lt_compile" 2>conftest.err) ac_status=$? cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 if (exit $ac_status) && test -s "$ac_outfile"; then # The compiler can only warn and ignore the option if not recognized # So say no if there are warnings other than the usual output. $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' >conftest.exp $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2 if test ! -s conftest.er2 || diff conftest.exp conftest.er2 >/dev/null; then lt_cv_prog_compiler_rtti_exceptions=yes fi fi $RM conftest* fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_rtti_exceptions" >&5 printf "%s\n" "$lt_cv_prog_compiler_rtti_exceptions" >&6; } if test yes = "$lt_cv_prog_compiler_rtti_exceptions"; then lt_prog_compiler_no_builtin_flag="$lt_prog_compiler_no_builtin_flag -fno-rtti -fno-exceptions" else : fi fi lt_prog_compiler_wl= lt_prog_compiler_pic= lt_prog_compiler_static= if test yes = "$GCC"; then lt_prog_compiler_wl='-Wl,' lt_prog_compiler_static='-static' case $host_os in aix*) # All AIX code is PIC. if test ia64 = "$host_cpu"; then # AIX 5 now supports IA64 processor lt_prog_compiler_static='-Bstatic' fi lt_prog_compiler_pic='-fPIC' ;; amigaos*) case $host_cpu in powerpc) # see comment about AmigaOS4 .so support lt_prog_compiler_pic='-fPIC' ;; m68k) # FIXME: we need at least 68020 code to build shared libraries, but # adding the '-m68020' flag to GCC prevents building anything better, # like '-m68040'. lt_prog_compiler_pic='-m68020 -resident32 -malways-restore-a4' ;; esac ;; beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*) # PIC is the default for these OSes. ;; mingw* | cygwin* | pw32* | os2* | cegcc*) # This hack is so that the source file can tell whether it is being # built for inclusion in a dll (and should export symbols for example). # Although the cygwin gcc ignores -fPIC, still need this for old-style # (--disable-auto-import) libraries lt_prog_compiler_pic='-DDLL_EXPORT' case $host_os in os2*) lt_prog_compiler_static='$wl-static' ;; esac ;; darwin* | rhapsody*) # PIC is the default on this platform # Common symbols not allowed in MH_DYLIB files lt_prog_compiler_pic='-fno-common' ;; haiku*) # PIC is the default for Haiku. # The "-static" flag exists, but is broken. lt_prog_compiler_static= ;; hpux*) # PIC is the default for 64-bit PA HP-UX, but not for 32-bit # PA HP-UX. On IA64 HP-UX, PIC is the default but the pic flag # sets the default TLS model and affects inlining. case $host_cpu in hppa*64*) # +Z the default ;; *) lt_prog_compiler_pic='-fPIC' ;; esac ;; interix[3-9]*) # Interix 3.x gcc -fpic/-fPIC options generate broken code. # Instead, we relocate shared libraries at runtime. ;; msdosdjgpp*) # Just because we use GCC doesn't mean we suddenly get shared libraries # on systems that don't support them. lt_prog_compiler_can_build_shared=no enable_shared=no ;; *nto* | *qnx*) # QNX uses GNU C++, but need to define -shared option too, otherwise # it will coredump. lt_prog_compiler_pic='-fPIC -shared' ;; sysv4*MP*) if test -d /usr/nec; then lt_prog_compiler_pic=-Kconform_pic fi ;; *) lt_prog_compiler_pic='-fPIC' ;; esac case $cc_basename in nvcc*) # Cuda Compiler Driver 2.2 lt_prog_compiler_wl='-Xlinker ' if test -n "$lt_prog_compiler_pic"; then lt_prog_compiler_pic="-Xcompiler $lt_prog_compiler_pic" fi ;; esac else # PORTME Check for flag to pass linker flags through the system compiler. case $host_os in aix*) lt_prog_compiler_wl='-Wl,' if test ia64 = "$host_cpu"; then # AIX 5 now supports IA64 processor lt_prog_compiler_static='-Bstatic' else lt_prog_compiler_static='-bnso -bI:/lib/syscalls.exp' fi ;; darwin* | rhapsody*) # PIC is the default on this platform # Common symbols not allowed in MH_DYLIB files lt_prog_compiler_pic='-fno-common' case $cc_basename in nagfor*) # NAG Fortran compiler lt_prog_compiler_wl='-Wl,-Wl,,' lt_prog_compiler_pic='-PIC' lt_prog_compiler_static='-Bstatic' ;; esac ;; mingw* | cygwin* | pw32* | os2* | cegcc*) # This hack is so that the source file can tell whether it is being # built for inclusion in a dll (and should export symbols for example). lt_prog_compiler_pic='-DDLL_EXPORT' case $host_os in os2*) lt_prog_compiler_static='$wl-static' ;; esac ;; hpux9* | hpux10* | hpux11*) lt_prog_compiler_wl='-Wl,' # PIC is the default for IA64 HP-UX and 64-bit HP-UX, but # not for PA HP-UX. case $host_cpu in hppa*64*|ia64*) # +Z the default ;; *) lt_prog_compiler_pic='+Z' ;; esac # Is there a better lt_prog_compiler_static that works with the bundled CC? lt_prog_compiler_static='$wl-a ${wl}archive' ;; irix5* | irix6* | nonstopux*) lt_prog_compiler_wl='-Wl,' # PIC (with -KPIC) is the default. lt_prog_compiler_static='-non_shared' ;; linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) case $cc_basename in # old Intel for x86_64, which still supported -KPIC. ecc*) lt_prog_compiler_wl='-Wl,' lt_prog_compiler_pic='-KPIC' lt_prog_compiler_static='-static' ;; # flang / f18. f95 an alias for gfortran or flang on Debian flang* | f18* | f95*) lt_prog_compiler_wl='-Wl,' lt_prog_compiler_pic='-fPIC' lt_prog_compiler_static='-static' ;; # icc used to be incompatible with GCC. # ICC 10 doesn't accept -KPIC any more. icc* | ifort*) lt_prog_compiler_wl='-Wl,' lt_prog_compiler_pic='-fPIC' lt_prog_compiler_static='-static' ;; # Lahey Fortran 8.1. lf95*) lt_prog_compiler_wl='-Wl,' lt_prog_compiler_pic='--shared' lt_prog_compiler_static='--static' ;; nagfor*) # NAG Fortran compiler lt_prog_compiler_wl='-Wl,-Wl,,' lt_prog_compiler_pic='-PIC' lt_prog_compiler_static='-Bstatic' ;; tcc*) # Fabrice Bellard et al's Tiny C Compiler lt_prog_compiler_wl='-Wl,' lt_prog_compiler_pic='-fPIC' lt_prog_compiler_static='-static' ;; pgcc* | pgf77* | pgf90* | pgf95* | pgfortran*) # Portland Group compilers (*not* the Pentium gcc compiler, # which looks to be a dead project) lt_prog_compiler_wl='-Wl,' lt_prog_compiler_pic='-fpic' lt_prog_compiler_static='-Bstatic' ;; ccc*) lt_prog_compiler_wl='-Wl,' # All Alpha code is PIC. lt_prog_compiler_static='-non_shared' ;; xl* | bgxl* | bgf* | mpixl*) # IBM XL C 8.0/Fortran 10.1, 11.1 on PPC and BlueGene lt_prog_compiler_wl='-Wl,' lt_prog_compiler_pic='-qpic' lt_prog_compiler_static='-qstaticlink' ;; *) case `$CC -V 2>&1 | $SED 5q` in *Sun\ Ceres\ Fortran* | *Sun*Fortran*\ [1-7].* | *Sun*Fortran*\ 8.[0-3]*) # Sun Fortran 8.3 passes all unrecognized flags to the linker lt_prog_compiler_pic='-KPIC' lt_prog_compiler_static='-Bstatic' lt_prog_compiler_wl='' ;; *Sun\ F* | *Sun*Fortran*) lt_prog_compiler_pic='-KPIC' lt_prog_compiler_static='-Bstatic' lt_prog_compiler_wl='-Qoption ld ' ;; *Sun\ C*) # Sun C 5.9 lt_prog_compiler_pic='-KPIC' lt_prog_compiler_static='-Bstatic' lt_prog_compiler_wl='-Wl,' ;; *Intel*\ [CF]*Compiler*) lt_prog_compiler_wl='-Wl,' lt_prog_compiler_pic='-fPIC' lt_prog_compiler_static='-static' ;; *Portland\ Group*) lt_prog_compiler_wl='-Wl,' lt_prog_compiler_pic='-fpic' lt_prog_compiler_static='-Bstatic' ;; esac ;; esac ;; newsos6) lt_prog_compiler_pic='-KPIC' lt_prog_compiler_static='-Bstatic' ;; *nto* | *qnx*) # QNX uses GNU C++, but need to define -shared option too, otherwise # it will coredump. lt_prog_compiler_pic='-fPIC -shared' ;; osf3* | osf4* | osf5*) lt_prog_compiler_wl='-Wl,' # All OSF/1 code is PIC. lt_prog_compiler_static='-non_shared' ;; rdos*) lt_prog_compiler_static='-non_shared' ;; solaris*) lt_prog_compiler_pic='-KPIC' lt_prog_compiler_static='-Bstatic' case $cc_basename in f77* | f90* | f95* | sunf77* | sunf90* | sunf95*) lt_prog_compiler_wl='-Qoption ld ';; *) lt_prog_compiler_wl='-Wl,';; esac ;; sunos4*) lt_prog_compiler_wl='-Qoption ld ' lt_prog_compiler_pic='-PIC' lt_prog_compiler_static='-Bstatic' ;; sysv4 | sysv4.2uw2* | sysv4.3*) lt_prog_compiler_wl='-Wl,' lt_prog_compiler_pic='-KPIC' lt_prog_compiler_static='-Bstatic' ;; sysv4*MP*) if test -d /usr/nec; then lt_prog_compiler_pic='-Kconform_pic' lt_prog_compiler_static='-Bstatic' fi ;; sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*) lt_prog_compiler_wl='-Wl,' lt_prog_compiler_pic='-KPIC' lt_prog_compiler_static='-Bstatic' ;; unicos*) lt_prog_compiler_wl='-Wl,' lt_prog_compiler_can_build_shared=no ;; uts4*) lt_prog_compiler_pic='-pic' lt_prog_compiler_static='-Bstatic' ;; *) lt_prog_compiler_can_build_shared=no ;; esac fi case $host_os in # For platforms that do not support PIC, -DPIC is meaningless: *djgpp*) lt_prog_compiler_pic= ;; *) lt_prog_compiler_pic="$lt_prog_compiler_pic -DPIC" ;; esac { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $compiler option to produce PIC" >&5 printf %s "checking for $compiler option to produce PIC... " >&6; } if test ${lt_cv_prog_compiler_pic+y} then : printf %s "(cached) " >&6 else $as_nop lt_cv_prog_compiler_pic=$lt_prog_compiler_pic fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_pic" >&5 printf "%s\n" "$lt_cv_prog_compiler_pic" >&6; } lt_prog_compiler_pic=$lt_cv_prog_compiler_pic # # Check to make sure the PIC flag actually works. # if test -n "$lt_prog_compiler_pic"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if $compiler PIC flag $lt_prog_compiler_pic works" >&5 printf %s "checking if $compiler PIC flag $lt_prog_compiler_pic works... " >&6; } if test ${lt_cv_prog_compiler_pic_works+y} then : printf %s "(cached) " >&6 else $as_nop lt_cv_prog_compiler_pic_works=no ac_outfile=conftest.$ac_objext echo "$lt_simple_compile_test_code" > conftest.$ac_ext lt_compiler_flag="$lt_prog_compiler_pic -DPIC" ## exclude from sc_useless_quotes_in_assignment # Insert the option either (1) after the last *FLAGS variable, or # (2) before a word containing "conftest.", or (3) at the end. # Note that $ac_compile itself does not contain backslashes and begins # with a dollar sign (not a hyphen), so the echo should work correctly. # The option is referenced via a variable to avoid confusing sed. lt_compile=`echo "$ac_compile" | $SED \ -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ -e 's:$: $lt_compiler_flag:'` (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&5) (eval "$lt_compile" 2>conftest.err) ac_status=$? cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 if (exit $ac_status) && test -s "$ac_outfile"; then # The compiler can only warn and ignore the option if not recognized # So say no if there are warnings other than the usual output. $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' >conftest.exp $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2 if test ! -s conftest.er2 || diff conftest.exp conftest.er2 >/dev/null; then lt_cv_prog_compiler_pic_works=yes fi fi $RM conftest* fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_pic_works" >&5 printf "%s\n" "$lt_cv_prog_compiler_pic_works" >&6; } if test yes = "$lt_cv_prog_compiler_pic_works"; then case $lt_prog_compiler_pic in "" | " "*) ;; *) lt_prog_compiler_pic=" $lt_prog_compiler_pic" ;; esac else lt_prog_compiler_pic= lt_prog_compiler_can_build_shared=no fi fi # # Check to make sure the static flag actually works. # wl=$lt_prog_compiler_wl eval lt_tmp_static_flag=\"$lt_prog_compiler_static\" { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if $compiler static flag $lt_tmp_static_flag works" >&5 printf %s "checking if $compiler static flag $lt_tmp_static_flag works... " >&6; } if test ${lt_cv_prog_compiler_static_works+y} then : printf %s "(cached) " >&6 else $as_nop lt_cv_prog_compiler_static_works=no save_LDFLAGS=$LDFLAGS LDFLAGS="$LDFLAGS $lt_tmp_static_flag" echo "$lt_simple_link_test_code" > conftest.$ac_ext if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then # The linker can only warn and ignore the option if not recognized # So say no if there are warnings if test -s conftest.err; then # Append any errors to the config.log. cat conftest.err 1>&5 $ECHO "$_lt_linker_boilerplate" | $SED '/^$/d' > conftest.exp $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2 if diff conftest.exp conftest.er2 >/dev/null; then lt_cv_prog_compiler_static_works=yes fi else lt_cv_prog_compiler_static_works=yes fi fi $RM -r conftest* LDFLAGS=$save_LDFLAGS fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_static_works" >&5 printf "%s\n" "$lt_cv_prog_compiler_static_works" >&6; } if test yes = "$lt_cv_prog_compiler_static_works"; then : else lt_prog_compiler_static= fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if $compiler supports -c -o file.$ac_objext" >&5 printf %s "checking if $compiler supports -c -o file.$ac_objext... " >&6; } if test ${lt_cv_prog_compiler_c_o+y} then : printf %s "(cached) " >&6 else $as_nop lt_cv_prog_compiler_c_o=no $RM -r conftest 2>/dev/null mkdir conftest cd conftest mkdir out echo "$lt_simple_compile_test_code" > conftest.$ac_ext lt_compiler_flag="-o out/conftest2.$ac_objext" # Insert the option either (1) after the last *FLAGS variable, or # (2) before a word containing "conftest.", or (3) at the end. # Note that $ac_compile itself does not contain backslashes and begins # with a dollar sign (not a hyphen), so the echo should work correctly. lt_compile=`echo "$ac_compile" | $SED \ -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ -e 's:$: $lt_compiler_flag:'` (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&5) (eval "$lt_compile" 2>out/conftest.err) ac_status=$? cat out/conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 if (exit $ac_status) && test -s out/conftest2.$ac_objext then # The compiler can only warn and ignore the option if not recognized # So say no if there are warnings $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' > out/conftest.exp $SED '/^$/d; /^ *+/d' out/conftest.err >out/conftest.er2 if test ! -s out/conftest.er2 || diff out/conftest.exp out/conftest.er2 >/dev/null; then lt_cv_prog_compiler_c_o=yes fi fi chmod u+w . 2>&5 $RM conftest* # SGI C++ compiler will create directory out/ii_files/ for # template instantiation test -d out/ii_files && $RM out/ii_files/* && rmdir out/ii_files $RM out/* && rmdir out cd .. $RM -r conftest $RM conftest* fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_c_o" >&5 printf "%s\n" "$lt_cv_prog_compiler_c_o" >&6; } { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if $compiler supports -c -o file.$ac_objext" >&5 printf %s "checking if $compiler supports -c -o file.$ac_objext... " >&6; } if test ${lt_cv_prog_compiler_c_o+y} then : printf %s "(cached) " >&6 else $as_nop lt_cv_prog_compiler_c_o=no $RM -r conftest 2>/dev/null mkdir conftest cd conftest mkdir out echo "$lt_simple_compile_test_code" > conftest.$ac_ext lt_compiler_flag="-o out/conftest2.$ac_objext" # Insert the option either (1) after the last *FLAGS variable, or # (2) before a word containing "conftest.", or (3) at the end. # Note that $ac_compile itself does not contain backslashes and begins # with a dollar sign (not a hyphen), so the echo should work correctly. lt_compile=`echo "$ac_compile" | $SED \ -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ -e 's:$: $lt_compiler_flag:'` (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&5) (eval "$lt_compile" 2>out/conftest.err) ac_status=$? cat out/conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 if (exit $ac_status) && test -s out/conftest2.$ac_objext then # The compiler can only warn and ignore the option if not recognized # So say no if there are warnings $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' > out/conftest.exp $SED '/^$/d; /^ *+/d' out/conftest.err >out/conftest.er2 if test ! -s out/conftest.er2 || diff out/conftest.exp out/conftest.er2 >/dev/null; then lt_cv_prog_compiler_c_o=yes fi fi chmod u+w . 2>&5 $RM conftest* # SGI C++ compiler will create directory out/ii_files/ for # template instantiation test -d out/ii_files && $RM out/ii_files/* && rmdir out/ii_files $RM out/* && rmdir out cd .. $RM -r conftest $RM conftest* fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_c_o" >&5 printf "%s\n" "$lt_cv_prog_compiler_c_o" >&6; } hard_links=nottested if test no = "$lt_cv_prog_compiler_c_o" && test no != "$need_locks"; then # do not overwrite the value of need_locks provided by the user { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if we can lock with hard links" >&5 printf %s "checking if we can lock with hard links... " >&6; } hard_links=yes $RM conftest* ln conftest.a conftest.b 2>/dev/null && hard_links=no touch conftest.a ln conftest.a conftest.b 2>&5 || hard_links=no ln conftest.a conftest.b 2>/dev/null && hard_links=no { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $hard_links" >&5 printf "%s\n" "$hard_links" >&6; } if test no = "$hard_links"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: '$CC' does not support '-c -o', so 'make -j' may be unsafe" >&5 printf "%s\n" "$as_me: WARNING: '$CC' does not support '-c -o', so 'make -j' may be unsafe" >&2;} need_locks=warn fi else need_locks=no fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the $compiler linker ($LD) supports shared libraries" >&5 printf %s "checking whether the $compiler linker ($LD) supports shared libraries... " >&6; } runpath_var= allow_undefined_flag= always_export_symbols=no archive_cmds= archive_expsym_cmds= compiler_needs_object=no enable_shared_with_static_runtimes=no export_dynamic_flag_spec= export_symbols_cmds='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols' hardcode_automatic=no hardcode_direct=no hardcode_direct_absolute=no hardcode_libdir_flag_spec= hardcode_libdir_separator= hardcode_minus_L=no hardcode_shlibpath_var=unsupported inherit_rpath=no link_all_deplibs=unknown module_cmds= module_expsym_cmds= old_archive_from_new_cmds= old_archive_from_expsyms_cmds= thread_safe_flag_spec= whole_archive_flag_spec= # include_expsyms should be a list of space-separated symbols to be *always* # included in the symbol list include_expsyms= # exclude_expsyms can be an extended regexp of symbols to exclude # it will be wrapped by ' (' and ')$', so one must not match beginning or # end of line. 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If you *** really care for shared libraries, you may want to install binutils *** 2.20 or above, or modify your PATH so that a non-GNU linker is found. *** You will then need to restart the configuration process. _LT_EOF fi ;; amigaos*) case $host_cpu in powerpc) # see comment about AmigaOS4 .so support archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' archive_expsym_cmds='' ;; m68k) archive_cmds='$RM $output_objdir/a2ixlibrary.data~$ECHO "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$ECHO "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$ECHO "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$ECHO "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)' hardcode_libdir_flag_spec='-L$libdir' hardcode_minus_L=yes ;; esac ;; beos*) if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then allow_undefined_flag=unsupported # Joseph Beckenbach says some releases of gcc # support --undefined. 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Therefore, libtool *** is disabling shared libraries support. We urge you to upgrade GNU *** binutils to release 2.9.1 or newer. Another option is to modify *** your PATH or compiler configuration so that the native linker is *** used, and then restart. _LT_EOF elif $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' archive_expsym_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib' else ld_shlibs=no fi ;; sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX*) case `$LD -v 2>&1` in *\ [01].* | *\ 2.[0-9].* | *\ 2.1[0-5].*) ld_shlibs=no cat <<_LT_EOF 1>&2 *** Warning: Releases of the GNU linker prior to 2.16.91.0.3 cannot *** reliably create shared libraries on SCO systems. Therefore, libtool *** is disabling shared libraries support. We urge you to upgrade GNU *** binutils to release 2.16.91.0.3 or newer. Another option is to modify *** your PATH or compiler configuration so that the native linker is *** used, and then restart. _LT_EOF ;; *) # For security reasons, it is highly recommended that you always # use absolute paths for naming shared libraries, and exclude the # DT_RUNPATH tag from executables and libraries. But doing so # requires that you compile everything twice, which is a pain. if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then hardcode_libdir_flag_spec='$wl-rpath $wl$libdir' archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib' else ld_shlibs=no fi ;; esac ;; sunos4*) archive_cmds='$LD -assert pure-text -Bshareable -o $lib $libobjs $deplibs $linker_flags' wlarc= hardcode_direct=yes hardcode_shlibpath_var=no ;; *) if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' archive_expsym_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib' else ld_shlibs=no fi ;; esac if test no = "$ld_shlibs"; then runpath_var= hardcode_libdir_flag_spec= export_dynamic_flag_spec= whole_archive_flag_spec= fi else # PORTME fill in a description of your system's linker (not GNU ld) case $host_os in aix3*) allow_undefined_flag=unsupported always_export_symbols=yes archive_expsym_cmds='$LD -o $output_objdir/$soname $libobjs $deplibs $linker_flags -bE:$export_symbols -T512 -H512 -bM:SRE~$AR $AR_FLAGS $lib $output_objdir/$soname' # Note: this linker hardcodes the directories in LIBPATH if there # are no directories specified by -L. hardcode_minus_L=yes if test yes = "$GCC" && test -z "$lt_prog_compiler_static"; then # Neither direct hardcoding nor static linking is supported with a # broken collect2. hardcode_direct=unsupported fi ;; aix[4-9]*) if test ia64 = "$host_cpu"; then # On IA64, the linker does run time linking by default, so we don't # have to do anything special. aix_use_runtimelinking=no exp_sym_flag='-Bexport' no_entry_flag= else # If we're using GNU nm, then we don't want the "-C" option. # -C means demangle to GNU nm, but means don't demangle to AIX nm. # Without the "-l" option, or with the "-B" option, AIX nm treats # weak defined symbols like other global defined symbols, whereas # GNU nm marks them as "W". # While the 'weak' keyword is ignored in the Export File, we need # it in the Import File for the 'aix-soname' feature, so we have # to replace the "-B" option with "-P" for AIX nm. if $NM -V 2>&1 | $GREP 'GNU' > /dev/null; then export_symbols_cmds='$NM -Bpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "W")) && (substr(\$ 3,1,1) != ".")) { if (\$ 2 == "W") { print \$ 3 " weak" } else { print \$ 3 } } }'\'' | sort -u > $export_symbols' else export_symbols_cmds='`func_echo_all $NM | $SED -e '\''s/B\([^B]*\)$/P\1/'\''` -PCpgl $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "L") || (\$ 2 == "W") || (\$ 2 == "V") || (\$ 2 == "Z")) && (substr(\$ 1,1,1) != ".")) { if ((\$ 2 == "W") || (\$ 2 == "V") || (\$ 2 == "Z")) { print \$ 1 " weak" } else { print \$ 1 } } }'\'' | sort -u > $export_symbols' fi aix_use_runtimelinking=no # Test if we are trying to use run time linking or normal # AIX style linking. If -brtl is somewhere in LDFLAGS, we # have runtime linking enabled, and use it for executables. # For shared libraries, we enable/disable runtime linking # depending on the kind of the shared library created - # when "with_aix_soname,aix_use_runtimelinking" is: # "aix,no" lib.a(lib.so.V) shared, rtl:no, for executables # "aix,yes" lib.so shared, rtl:yes, for executables # lib.a static archive # "both,no" lib.so.V(shr.o) shared, rtl:yes # lib.a(lib.so.V) shared, rtl:no, for executables # "both,yes" lib.so.V(shr.o) shared, rtl:yes, for executables # lib.a(lib.so.V) shared, rtl:no # "svr4,*" lib.so.V(shr.o) shared, rtl:yes, for executables # lib.a static archive case $host_os in aix4.[23]|aix4.[23].*|aix[5-9]*) for ld_flag in $LDFLAGS; do if (test x-brtl = "x$ld_flag" || test x-Wl,-brtl = "x$ld_flag"); then aix_use_runtimelinking=yes break fi done if test svr4,no = "$with_aix_soname,$aix_use_runtimelinking"; then # With aix-soname=svr4, we create the lib.so.V shared archives only, # so we don't have lib.a shared libs to link our executables. # We have to force runtime linking in this case. aix_use_runtimelinking=yes LDFLAGS="$LDFLAGS -Wl,-brtl" fi ;; esac exp_sym_flag='-bexport' no_entry_flag='-bnoentry' fi # When large executables or shared objects are built, AIX ld can # have problems creating the table of contents. If linking a library # or program results in "error TOC overflow" add -mminimal-toc to # CXXFLAGS/CFLAGS for g++/gcc. In the cases where that is not # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS. archive_cmds='' hardcode_direct=yes hardcode_direct_absolute=yes hardcode_libdir_separator=':' link_all_deplibs=yes file_list_spec='$wl-f,' case $with_aix_soname,$aix_use_runtimelinking in aix,*) ;; # traditional, no import file svr4,* | *,yes) # use import file # The Import File defines what to hardcode. hardcode_direct=no hardcode_direct_absolute=no ;; esac if test yes = "$GCC"; then case $host_os in aix4.[012]|aix4.[012].*) # We only want to do this on AIX 4.2 and lower, the check # below for broken collect2 doesn't work under 4.3+ collect2name=`$CC -print-prog-name=collect2` if test -f "$collect2name" && strings "$collect2name" | $GREP resolve_lib_name >/dev/null then # We have reworked collect2 : else # We have old collect2 hardcode_direct=unsupported # It fails to find uninstalled libraries when the uninstalled # path is not listed in the libpath. Setting hardcode_minus_L # to unsupported forces relinking hardcode_minus_L=yes hardcode_libdir_flag_spec='-L$libdir' hardcode_libdir_separator= fi ;; esac shared_flag='-shared' if test yes = "$aix_use_runtimelinking"; then shared_flag="$shared_flag "'$wl-G' fi # Need to ensure runtime linking is disabled for the traditional # shared library, or the linker may eventually find shared libraries # /with/ Import File - we do not want to mix them. shared_flag_aix='-shared' shared_flag_svr4='-shared $wl-G' else # not using gcc if test ia64 = "$host_cpu"; then # VisualAge C++, Version 5.5 for AIX 5L for IA-64, Beta 3 Release # chokes on -Wl,-G. The following line is correct: shared_flag='-G' else if test yes = "$aix_use_runtimelinking"; then shared_flag='$wl-G' else shared_flag='$wl-bM:SRE' fi shared_flag_aix='$wl-bM:SRE' shared_flag_svr4='$wl-G' fi fi export_dynamic_flag_spec='$wl-bexpall' # It seems that -bexpall does not export symbols beginning with # underscore (_), so it is better to generate a list of symbols to export. always_export_symbols=yes if test aix,yes = "$with_aix_soname,$aix_use_runtimelinking"; then # Warning - without using the other runtime loading flags (-brtl), # -berok will link without error, but may produce a broken library. allow_undefined_flag='-berok' # Determine the default libpath from the value encoded in an # empty executable. if test set = "${lt_cv_aix_libpath+set}"; then aix_libpath=$lt_cv_aix_libpath else if test ${lt_cv_aix_libpath_+y} then : printf %s "(cached) " >&6 else $as_nop cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main (void) { ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : lt_aix_libpath_sed=' /Import File Strings/,/^$/ { /^0/ { s/^0 *\([^ ]*\) *$/\1/ p } }' lt_cv_aix_libpath_=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` # Check for a 64-bit object if we didn't find anything. if test -z "$lt_cv_aix_libpath_"; then lt_cv_aix_libpath_=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext if test -z "$lt_cv_aix_libpath_"; then lt_cv_aix_libpath_=/usr/lib:/lib fi fi aix_libpath=$lt_cv_aix_libpath_ fi hardcode_libdir_flag_spec='$wl-blibpath:$libdir:'"$aix_libpath" archive_expsym_cmds='$CC -o $output_objdir/$soname $libobjs $deplibs $wl'$no_entry_flag' $compiler_flags `if test -n "$allow_undefined_flag"; then func_echo_all "$wl$allow_undefined_flag"; else :; fi` $wl'$exp_sym_flag:\$export_symbols' '$shared_flag else if test ia64 = "$host_cpu"; then hardcode_libdir_flag_spec='$wl-R $libdir:/usr/lib:/lib' allow_undefined_flag="-z nodefs" archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs '"\$wl$no_entry_flag"' $compiler_flags $wl$allow_undefined_flag '"\$wl$exp_sym_flag:\$export_symbols" else # Determine the default libpath from the value encoded in an # empty executable. if test set = "${lt_cv_aix_libpath+set}"; then aix_libpath=$lt_cv_aix_libpath else if test ${lt_cv_aix_libpath_+y} then : printf %s "(cached) " >&6 else $as_nop cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main (void) { ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : lt_aix_libpath_sed=' /Import File Strings/,/^$/ { /^0/ { s/^0 *\([^ ]*\) *$/\1/ p } }' lt_cv_aix_libpath_=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` # Check for a 64-bit object if we didn't find anything. if test -z "$lt_cv_aix_libpath_"; then lt_cv_aix_libpath_=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext if test -z "$lt_cv_aix_libpath_"; then lt_cv_aix_libpath_=/usr/lib:/lib fi fi aix_libpath=$lt_cv_aix_libpath_ fi hardcode_libdir_flag_spec='$wl-blibpath:$libdir:'"$aix_libpath" # Warning - without using the other run time loading flags, # -berok will link without error, but may produce a broken library. no_undefined_flag=' $wl-bernotok' allow_undefined_flag=' $wl-berok' if test yes = "$with_gnu_ld"; then # We only use this code for GNU lds that support --whole-archive. whole_archive_flag_spec='$wl--whole-archive$convenience $wl--no-whole-archive' else # Exported symbols can be pulled into shared objects from archives whole_archive_flag_spec='$convenience' fi archive_cmds_need_lc=yes archive_expsym_cmds='$RM -r $output_objdir/$realname.d~$MKDIR $output_objdir/$realname.d' # -brtl affects multiple linker settings, -berok does not and is overridden later compiler_flags_filtered='`func_echo_all "$compiler_flags " | $SED -e "s%-brtl\\([, ]\\)%-berok\\1%g"`' if test svr4 != "$with_aix_soname"; then # This is similar to how AIX traditionally builds its shared libraries. archive_expsym_cmds="$archive_expsym_cmds"'~$CC '$shared_flag_aix' -o $output_objdir/$realname.d/$soname $libobjs $deplibs $wl-bnoentry '$compiler_flags_filtered'$wl-bE:$export_symbols$allow_undefined_flag~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$realname.d/$soname' fi if test aix != "$with_aix_soname"; then archive_expsym_cmds="$archive_expsym_cmds"'~$CC '$shared_flag_svr4' -o $output_objdir/$realname.d/$shared_archive_member_spec.o $libobjs $deplibs $wl-bnoentry '$compiler_flags_filtered'$wl-bE:$export_symbols$allow_undefined_flag~$STRIP -e $output_objdir/$realname.d/$shared_archive_member_spec.o~( func_echo_all "#! $soname($shared_archive_member_spec.o)"; if test shr_64 = "$shared_archive_member_spec"; then func_echo_all "# 64"; else func_echo_all "# 32"; fi; cat $export_symbols ) > $output_objdir/$realname.d/$shared_archive_member_spec.imp~$AR $AR_FLAGS $output_objdir/$soname $output_objdir/$realname.d/$shared_archive_member_spec.o $output_objdir/$realname.d/$shared_archive_member_spec.imp' else # used by -dlpreopen to get the symbols archive_expsym_cmds="$archive_expsym_cmds"'~$MV $output_objdir/$realname.d/$soname $output_objdir' fi archive_expsym_cmds="$archive_expsym_cmds"'~$RM -r $output_objdir/$realname.d' fi fi ;; amigaos*) case $host_cpu in powerpc) # see comment about AmigaOS4 .so support archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' archive_expsym_cmds='' ;; m68k) archive_cmds='$RM $output_objdir/a2ixlibrary.data~$ECHO "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$ECHO "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$ECHO "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$ECHO "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)' hardcode_libdir_flag_spec='-L$libdir' hardcode_minus_L=yes ;; esac ;; bsdi[45]*) export_dynamic_flag_spec=-rdynamic ;; cygwin* | mingw* | pw32* | cegcc*) # When not using gcc, we currently assume that we are using # Microsoft Visual C++ or Intel C++ Compiler. # hardcode_libdir_flag_spec is actually meaningless, as there is # no search path for DLLs. case $cc_basename in cl* | icl*) # Native MSVC or ICC hardcode_libdir_flag_spec=' ' allow_undefined_flag=unsupported always_export_symbols=yes file_list_spec='@' # Tell ltmain to make .lib files, not .a files. libext=lib # Tell ltmain to make .dll files, not .so files. shrext_cmds=.dll # FIXME: Setting linknames here is a bad hack. archive_cmds='$CC -o $output_objdir/$soname $libobjs $compiler_flags $deplibs -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~linknames=' archive_expsym_cmds='if test DEF = "`$SED -n -e '\''s/^[ ]*//'\'' -e '\''/^\(;.*\)*$/d'\'' -e '\''s/^\(EXPORTS\|LIBRARY\)\([ ].*\)*$/DEF/p'\'' -e q $export_symbols`" ; then cp "$export_symbols" "$output_objdir/$soname.def"; echo "$tool_output_objdir$soname.def" > "$output_objdir/$soname.exp"; else $SED -e '\''s/^/-link -EXPORT:/'\'' < $export_symbols > $output_objdir/$soname.exp; fi~ $CC -o $tool_output_objdir$soname $libobjs $compiler_flags $deplibs "@$tool_output_objdir$soname.exp" -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~ linknames=' # The linker will not automatically build a static lib if we build a DLL. # _LT_TAGVAR(old_archive_from_new_cmds, )='true' enable_shared_with_static_runtimes=yes exclude_expsyms='_NULL_IMPORT_DESCRIPTOR|_IMPORT_DESCRIPTOR_.*' export_symbols_cmds='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[BCDGRS][ ]/s/.*[ ]\([^ ]*\)/\1,DATA/'\'' | $SED -e '\''/^[AITW][ ]/s/.*[ ]//'\'' | sort | uniq > $export_symbols' # Don't use ranlib old_postinstall_cmds='chmod 644 $oldlib' postlink_cmds='lt_outputfile="@OUTPUT@"~ lt_tool_outputfile="@TOOL_OUTPUT@"~ case $lt_outputfile in *.exe|*.EXE) ;; *) lt_outputfile=$lt_outputfile.exe lt_tool_outputfile=$lt_tool_outputfile.exe ;; esac~ if test : != "$MANIFEST_TOOL" && test -f "$lt_outputfile.manifest"; then $MANIFEST_TOOL -manifest "$lt_tool_outputfile.manifest" -outputresource:"$lt_tool_outputfile" || exit 1; $RM "$lt_outputfile.manifest"; fi' ;; *) # Assume MSVC and ICC wrapper hardcode_libdir_flag_spec=' ' allow_undefined_flag=unsupported # Tell ltmain to make .lib files, not .a files. libext=lib # Tell ltmain to make .dll files, not .so files. shrext_cmds=.dll # FIXME: Setting linknames here is a bad hack. archive_cmds='$CC -o $lib $libobjs $compiler_flags `func_echo_all "$deplibs" | $SED '\''s/ -lc$//'\''` -link -dll~linknames=' # The linker will automatically build a .lib file if we build a DLL. old_archive_from_new_cmds='true' # FIXME: Should let the user specify the lib program. old_archive_cmds='lib -OUT:$oldlib$oldobjs$old_deplibs' enable_shared_with_static_runtimes=yes ;; esac ;; darwin* | rhapsody*) archive_cmds_need_lc=no hardcode_direct=no hardcode_automatic=yes hardcode_shlibpath_var=unsupported if test yes = "$lt_cv_ld_force_load"; then whole_archive_flag_spec='`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience $wl-force_load,$conv\"; done; func_echo_all \"$new_convenience\"`' else whole_archive_flag_spec='' fi link_all_deplibs=yes allow_undefined_flag=$_lt_dar_allow_undefined case $cc_basename in ifort*|nagfor*) _lt_dar_can_shared=yes ;; *) _lt_dar_can_shared=$GCC ;; esac if test yes = "$_lt_dar_can_shared"; then output_verbose_link_cmd=func_echo_all archive_cmds="\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod$_lt_dsymutil" module_cmds="\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags$_lt_dsymutil" archive_expsym_cmds="$SED 's|^|_|' < \$export_symbols > \$output_objdir/\$libname-symbols.expsym~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod$_lt_dar_export_syms$_lt_dsymutil" module_expsym_cmds="$SED -e 's|^|_|' < \$export_symbols > \$output_objdir/\$libname-symbols.expsym~\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags$_lt_dar_export_syms$_lt_dsymutil" else ld_shlibs=no fi ;; dgux*) archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' hardcode_libdir_flag_spec='-L$libdir' hardcode_shlibpath_var=no ;; # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor # support. Future versions do this automatically, but an explicit c++rt0.o # does not break anything, and helps significantly (at the cost of a little # extra space). freebsd2.2*) archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags /usr/lib/c++rt0.o' hardcode_libdir_flag_spec='-R$libdir' hardcode_direct=yes hardcode_shlibpath_var=no ;; # Unfortunately, older versions of FreeBSD 2 do not have this feature. freebsd2.*) archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' hardcode_direct=yes hardcode_minus_L=yes hardcode_shlibpath_var=no ;; # FreeBSD 3 and greater uses gcc -shared to do shared libraries. freebsd* | dragonfly* | midnightbsd*) archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' hardcode_libdir_flag_spec='-R$libdir' hardcode_direct=yes hardcode_shlibpath_var=no ;; hpux9*) if test yes = "$GCC"; then archive_cmds='$RM $output_objdir/$soname~$CC -shared $pic_flag $wl+b $wl$install_libdir -o $output_objdir/$soname $libobjs $deplibs $compiler_flags~test "x$output_objdir/$soname" = "x$lib" || mv $output_objdir/$soname $lib' else archive_cmds='$RM $output_objdir/$soname~$LD -b +b $install_libdir -o $output_objdir/$soname $libobjs $deplibs $linker_flags~test "x$output_objdir/$soname" = "x$lib" || mv $output_objdir/$soname $lib' fi hardcode_libdir_flag_spec='$wl+b $wl$libdir' hardcode_libdir_separator=: hardcode_direct=yes # hardcode_minus_L: Not really in the search PATH, # but as the default location of the library. hardcode_minus_L=yes export_dynamic_flag_spec='$wl-E' ;; hpux10*) if test yes,no = "$GCC,$with_gnu_ld"; then archive_cmds='$CC -shared $pic_flag $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $libobjs $deplibs $compiler_flags' else archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags' fi if test no = "$with_gnu_ld"; then hardcode_libdir_flag_spec='$wl+b $wl$libdir' hardcode_libdir_separator=: hardcode_direct=yes hardcode_direct_absolute=yes export_dynamic_flag_spec='$wl-E' # hardcode_minus_L: Not really in the search PATH, # but as the default location of the library. hardcode_minus_L=yes fi ;; hpux11*) if test yes,no = "$GCC,$with_gnu_ld"; then case $host_cpu in hppa*64*) archive_cmds='$CC -shared $wl+h $wl$soname -o $lib $libobjs $deplibs $compiler_flags' ;; ia64*) archive_cmds='$CC -shared $pic_flag $wl+h $wl$soname $wl+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags' ;; *) archive_cmds='$CC -shared $pic_flag $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $libobjs $deplibs $compiler_flags' ;; esac else case $host_cpu in hppa*64*) archive_cmds='$CC -b $wl+h $wl$soname -o $lib $libobjs $deplibs $compiler_flags' ;; ia64*) archive_cmds='$CC -b $wl+h $wl$soname $wl+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags' ;; *) # Older versions of the 11.00 compiler do not understand -b yet # (HP92453-01 A.11.01.20 doesn't, HP92453-01 B.11.X.35175-35176.GP does) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if $CC understands -b" >&5 printf %s "checking if $CC understands -b... " >&6; } if test ${lt_cv_prog_compiler__b+y} then : printf %s "(cached) " >&6 else $as_nop lt_cv_prog_compiler__b=no save_LDFLAGS=$LDFLAGS LDFLAGS="$LDFLAGS -b" echo "$lt_simple_link_test_code" > conftest.$ac_ext if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then # The linker can only warn and ignore the option if not recognized # So say no if there are warnings if test -s conftest.err; then # Append any errors to the config.log. cat conftest.err 1>&5 $ECHO "$_lt_linker_boilerplate" | $SED '/^$/d' > conftest.exp $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2 if diff conftest.exp conftest.er2 >/dev/null; then lt_cv_prog_compiler__b=yes fi else lt_cv_prog_compiler__b=yes fi fi $RM -r conftest* LDFLAGS=$save_LDFLAGS fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler__b" >&5 printf "%s\n" "$lt_cv_prog_compiler__b" >&6; } if test yes = "$lt_cv_prog_compiler__b"; then archive_cmds='$CC -b $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $libobjs $deplibs $compiler_flags' else archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags' fi ;; esac fi if test no = "$with_gnu_ld"; then hardcode_libdir_flag_spec='$wl+b $wl$libdir' hardcode_libdir_separator=: case $host_cpu in hppa*64*|ia64*) hardcode_direct=no hardcode_shlibpath_var=no ;; *) hardcode_direct=yes hardcode_direct_absolute=yes export_dynamic_flag_spec='$wl-E' # hardcode_minus_L: Not really in the search PATH, # but as the default location of the library. hardcode_minus_L=yes ;; esac fi ;; irix5* | irix6* | nonstopux*) if test yes = "$GCC"; then archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib' # Try to use the -exported_symbol ld option, if it does not # work, assume that -exports_file does not work either and # implicitly export all symbols. # This should be the same for all languages, so no per-tag cache variable. { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the $host_os linker accepts -exported_symbol" >&5 printf %s "checking whether the $host_os linker accepts -exported_symbol... " >&6; } if test ${lt_cv_irix_exported_symbol+y} then : printf %s "(cached) " >&6 else $as_nop save_LDFLAGS=$LDFLAGS LDFLAGS="$LDFLAGS -shared $wl-exported_symbol ${wl}foo $wl-update_registry $wl/dev/null" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo (void) { return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : lt_cv_irix_exported_symbol=yes else $as_nop lt_cv_irix_exported_symbol=no fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext LDFLAGS=$save_LDFLAGS fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_irix_exported_symbol" >&5 printf "%s\n" "$lt_cv_irix_exported_symbol" >&6; } if test yes = "$lt_cv_irix_exported_symbol"; then archive_expsym_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations $wl-exports_file $wl$export_symbols -o $lib' fi link_all_deplibs=no else archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib' archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -exports_file $export_symbols -o $lib' fi archive_cmds_need_lc='no' hardcode_libdir_flag_spec='$wl-rpath $wl$libdir' hardcode_libdir_separator=: inherit_rpath=yes link_all_deplibs=yes ;; linux*) case $cc_basename in tcc*) # Fabrice Bellard et al's Tiny C Compiler ld_shlibs=yes archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' hardcode_libdir_flag_spec='$wl-rpath $wl$libdir' ;; esac ;; netbsd* | netbsdelf*-gnu) if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' # a.out else archive_cmds='$LD -shared -o $lib $libobjs $deplibs $linker_flags' # ELF fi hardcode_libdir_flag_spec='-R$libdir' hardcode_direct=yes hardcode_shlibpath_var=no ;; newsos6) archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' hardcode_direct=yes hardcode_libdir_flag_spec='$wl-rpath $wl$libdir' hardcode_libdir_separator=: hardcode_shlibpath_var=no ;; *nto* | *qnx*) ;; openbsd* | bitrig*) if test -f /usr/libexec/ld.so; then hardcode_direct=yes hardcode_shlibpath_var=no hardcode_direct_absolute=yes if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`"; then archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' archive_expsym_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags $wl-retain-symbols-file,$export_symbols' hardcode_libdir_flag_spec='$wl-rpath,$libdir' export_dynamic_flag_spec='$wl-E' else archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' hardcode_libdir_flag_spec='$wl-rpath,$libdir' fi else ld_shlibs=no fi ;; os2*) hardcode_libdir_flag_spec='-L$libdir' hardcode_minus_L=yes allow_undefined_flag=unsupported shrext_cmds=.dll archive_cmds='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~ $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~ $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~ $ECHO EXPORTS >> $output_objdir/$libname.def~ emxexp $libobjs | $SED /"_DLL_InitTerm"/d >> $output_objdir/$libname.def~ $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~ emximp -o $lib $output_objdir/$libname.def' archive_expsym_cmds='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~ $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~ $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~ $ECHO EXPORTS >> $output_objdir/$libname.def~ prefix_cmds="$SED"~ if test EXPORTS = "`$SED 1q $export_symbols`"; then prefix_cmds="$prefix_cmds -e 1d"; fi~ prefix_cmds="$prefix_cmds -e \"s/^\(.*\)$/_\1/g\""~ cat $export_symbols | $prefix_cmds >> $output_objdir/$libname.def~ $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~ emximp -o $lib $output_objdir/$libname.def' old_archive_From_new_cmds='emximp -o $output_objdir/${libname}_dll.a $output_objdir/$libname.def' enable_shared_with_static_runtimes=yes file_list_spec='@' ;; osf3*) if test yes = "$GCC"; then allow_undefined_flag=' $wl-expect_unresolved $wl\*' archive_cmds='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib' else allow_undefined_flag=' -expect_unresolved \*' archive_cmds='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib' fi archive_cmds_need_lc='no' hardcode_libdir_flag_spec='$wl-rpath $wl$libdir' hardcode_libdir_separator=: ;; osf4* | osf5*) # as osf3* with the addition of -msym flag if test yes = "$GCC"; then allow_undefined_flag=' $wl-expect_unresolved $wl\*' archive_cmds='$CC -shared$allow_undefined_flag $pic_flag $libobjs $deplibs $compiler_flags $wl-msym $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib' hardcode_libdir_flag_spec='$wl-rpath $wl$libdir' else allow_undefined_flag=' -expect_unresolved \*' archive_cmds='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags -msym -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib' archive_expsym_cmds='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done; printf "%s\\n" "-hidden">> $lib.exp~ $CC -shared$allow_undefined_flag $wl-input $wl$lib.exp $compiler_flags $libobjs $deplibs -soname $soname `test -n "$verstring" && $ECHO "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib~$RM $lib.exp' # Both c and cxx compiler support -rpath directly hardcode_libdir_flag_spec='-rpath $libdir' fi archive_cmds_need_lc='no' hardcode_libdir_separator=: ;; solaris*) no_undefined_flag=' -z defs' if test yes = "$GCC"; then wlarc='$wl' archive_cmds='$CC -shared $pic_flag $wl-z ${wl}text $wl-h $wl$soname -o $lib $libobjs $deplibs $compiler_flags' archive_expsym_cmds='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ $CC -shared $pic_flag $wl-z ${wl}text $wl-M $wl$lib.exp $wl-h $wl$soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp' else case `$CC -V 2>&1` in *"Compilers 5.0"*) wlarc='' archive_cmds='$LD -G$allow_undefined_flag -h $soname -o $lib $libobjs $deplibs $linker_flags' archive_expsym_cmds='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ $LD -G$allow_undefined_flag -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$RM $lib.exp' ;; *) wlarc='$wl' archive_cmds='$CC -G$allow_undefined_flag -h $soname -o $lib $libobjs $deplibs $compiler_flags' archive_expsym_cmds='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ $CC -G$allow_undefined_flag -M $lib.exp -h $soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp' ;; esac fi hardcode_libdir_flag_spec='-R$libdir' hardcode_shlibpath_var=no case $host_os in solaris2.[0-5] | solaris2.[0-5].*) ;; *) # The compiler driver will combine and reorder linker options, # but understands '-z linker_flag'. GCC discards it without '$wl', # but is careful enough not to reorder. # Supported since Solaris 2.6 (maybe 2.5.1?) if test yes = "$GCC"; then whole_archive_flag_spec='$wl-z ${wl}allextract$convenience $wl-z ${wl}defaultextract' else whole_archive_flag_spec='-z allextract$convenience -z defaultextract' fi ;; esac link_all_deplibs=yes ;; sunos4*) if test sequent = "$host_vendor"; then # Use $CC to link under sequent, because it throws in some extra .o # files that make .init and .fini sections work. archive_cmds='$CC -G $wl-h $soname -o $lib $libobjs $deplibs $compiler_flags' else archive_cmds='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linker_flags' fi hardcode_libdir_flag_spec='-L$libdir' hardcode_direct=yes hardcode_minus_L=yes hardcode_shlibpath_var=no ;; sysv4) case $host_vendor in sni) archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' hardcode_direct=yes # is this really true??? ;; siemens) ## LD is ld it makes a PLAMLIB ## CC just makes a GrossModule. archive_cmds='$LD -G -o $lib $libobjs $deplibs $linker_flags' reload_cmds='$CC -r -o $output$reload_objs' hardcode_direct=no ;; motorola) archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' hardcode_direct=no #Motorola manual says yes, but my tests say they lie ;; esac runpath_var='LD_RUN_PATH' hardcode_shlibpath_var=no ;; sysv4.3*) archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' hardcode_shlibpath_var=no export_dynamic_flag_spec='-Bexport' ;; sysv4*MP*) if test -d /usr/nec; then archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' hardcode_shlibpath_var=no runpath_var=LD_RUN_PATH hardcode_runpath_var=yes ld_shlibs=yes fi ;; sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[01].[10]* | unixware7* | sco3.2v5.0.[024]*) no_undefined_flag='$wl-z,text' archive_cmds_need_lc=no hardcode_shlibpath_var=no runpath_var='LD_RUN_PATH' if test yes = "$GCC"; then archive_cmds='$CC -shared $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' archive_expsym_cmds='$CC -shared $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' else archive_cmds='$CC -G $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' archive_expsym_cmds='$CC -G $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' fi ;; sysv5* | sco3.2v5* | sco5v6*) # Note: We CANNOT use -z defs as we might desire, because we do not # link with -lc, and that would cause any symbols used from libc to # always be unresolved, which means just about no library would # ever link correctly. If we're not using GNU ld we use -z text # though, which does catch some bad symbols but isn't as heavy-handed # as -z defs. no_undefined_flag='$wl-z,text' allow_undefined_flag='$wl-z,nodefs' archive_cmds_need_lc=no hardcode_shlibpath_var=no hardcode_libdir_flag_spec='$wl-R,$libdir' hardcode_libdir_separator=':' link_all_deplibs=yes export_dynamic_flag_spec='$wl-Bexport' runpath_var='LD_RUN_PATH' if test yes = "$GCC"; then archive_cmds='$CC -shared $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' archive_expsym_cmds='$CC -shared $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' else archive_cmds='$CC -G $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' archive_expsym_cmds='$CC -G $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' fi ;; uts4*) archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' hardcode_libdir_flag_spec='-L$libdir' hardcode_shlibpath_var=no ;; *) ld_shlibs=no ;; esac if test sni = "$host_vendor"; then case $host in sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*) export_dynamic_flag_spec='$wl-Blargedynsym' ;; esac fi fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ld_shlibs" >&5 printf "%s\n" "$ld_shlibs" >&6; } test no = "$ld_shlibs" && can_build_shared=no with_gnu_ld=$with_gnu_ld # # Do we need to explicitly link libc? # case "x$archive_cmds_need_lc" in x|xyes) # Assume -lc should be added archive_cmds_need_lc=yes if test yes,yes = "$GCC,$enable_shared"; then case $archive_cmds in *'~'*) # FIXME: we may have to deal with multi-command sequences. ;; '$CC '*) # Test whether the compiler implicitly links with -lc since on some # systems, -lgcc has to come before -lc. If gcc already passes -lc # to ld, don't add -lc before -lgcc. { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether -lc should be explicitly linked in" >&5 printf %s "checking whether -lc should be explicitly linked in... " >&6; } if test ${lt_cv_archive_cmds_need_lc+y} then : printf %s "(cached) " >&6 else $as_nop $RM conftest* echo "$lt_simple_compile_test_code" > conftest.$ac_ext if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 (eval $ac_compile) 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; } 2>conftest.err; then soname=conftest lib=conftest libobjs=conftest.$ac_objext deplibs= wl=$lt_prog_compiler_wl pic_flag=$lt_prog_compiler_pic compiler_flags=-v linker_flags=-v verstring= output_objdir=. libname=conftest lt_save_allow_undefined_flag=$allow_undefined_flag allow_undefined_flag= if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$archive_cmds 2\>\&1 \| $GREP \" -lc \" \>/dev/null 2\>\&1\""; } >&5 (eval $archive_cmds 2\>\&1 \| $GREP \" -lc \" \>/dev/null 2\>\&1) 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; } then lt_cv_archive_cmds_need_lc=no else lt_cv_archive_cmds_need_lc=yes fi allow_undefined_flag=$lt_save_allow_undefined_flag else cat conftest.err 1>&5 fi $RM conftest* fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_archive_cmds_need_lc" >&5 printf "%s\n" "$lt_cv_archive_cmds_need_lc" >&6; } archive_cmds_need_lc=$lt_cv_archive_cmds_need_lc ;; esac fi ;; esac { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking dynamic linker characteristics" >&5 printf %s "checking dynamic linker characteristics... " >&6; } if test yes = "$GCC"; then case $host_os in darwin*) lt_awk_arg='/^libraries:/,/LR/' ;; *) lt_awk_arg='/^libraries:/' ;; esac case $host_os in mingw* | cegcc*) lt_sed_strip_eq='s|=\([A-Za-z]:\)|\1|g' ;; *) lt_sed_strip_eq='s|=/|/|g' ;; esac lt_search_path_spec=`$CC -print-search-dirs | awk $lt_awk_arg | $SED -e "s/^libraries://" -e $lt_sed_strip_eq` case $lt_search_path_spec in *\;*) # if the path contains ";" then we assume it to be the separator # otherwise default to the standard path separator (i.e. ":") - it is # assumed that no part of a normal pathname contains ";" but that should # okay in the real world where ";" in dirpaths is itself problematic. lt_search_path_spec=`$ECHO "$lt_search_path_spec" | $SED 's/;/ /g'` ;; *) lt_search_path_spec=`$ECHO "$lt_search_path_spec" | $SED "s/$PATH_SEPARATOR/ /g"` ;; esac # Ok, now we have the path, separated by spaces, we can step through it # and add multilib dir if necessary... lt_tmp_lt_search_path_spec= lt_multi_os_dir=/`$CC $CPPFLAGS $CFLAGS $LDFLAGS -print-multi-os-directory 2>/dev/null` # ...but if some path component already ends with the multilib dir we assume # that all is fine and trust -print-search-dirs as is (GCC 4.2? or newer). case "$lt_multi_os_dir; $lt_search_path_spec " in "/; "* | "/.; "* | "/./; "* | *"$lt_multi_os_dir "* | *"$lt_multi_os_dir/ "*) lt_multi_os_dir= ;; esac for lt_sys_path in $lt_search_path_spec; do if test -d "$lt_sys_path$lt_multi_os_dir"; then lt_tmp_lt_search_path_spec="$lt_tmp_lt_search_path_spec $lt_sys_path$lt_multi_os_dir" elif test -n "$lt_multi_os_dir"; then test -d "$lt_sys_path" && \ lt_tmp_lt_search_path_spec="$lt_tmp_lt_search_path_spec $lt_sys_path" fi done lt_search_path_spec=`$ECHO "$lt_tmp_lt_search_path_spec" | awk ' BEGIN {RS = " "; FS = "/|\n";} { lt_foo = ""; lt_count = 0; for (lt_i = NF; lt_i > 0; lt_i--) { if ($lt_i != "" && $lt_i != ".") { if ($lt_i == "..") { lt_count++; } else { if (lt_count == 0) { lt_foo = "/" $lt_i lt_foo; } else { lt_count--; } } } } if (lt_foo != "") { lt_freq[lt_foo]++; } if (lt_freq[lt_foo] == 1) { print lt_foo; } }'` # AWK program above erroneously prepends '/' to C:/dos/paths # for these hosts. case $host_os in mingw* | cegcc*) lt_search_path_spec=`$ECHO "$lt_search_path_spec" |\ $SED 's|/\([A-Za-z]:\)|\1|g'` ;; esac sys_lib_search_path_spec=`$ECHO "$lt_search_path_spec" | $lt_NL2SP` else sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib" fi library_names_spec= libname_spec='lib$name' soname_spec= shrext_cmds=.so postinstall_cmds= postuninstall_cmds= finish_cmds= finish_eval= shlibpath_var= shlibpath_overrides_runpath=unknown version_type=none dynamic_linker="$host_os ld.so" sys_lib_dlsearch_path_spec="/lib /usr/lib" need_lib_prefix=unknown hardcode_into_libs=no # when you set need_version to no, make sure it does not cause -set_version # flags to be left without arguments need_version=unknown case $host_os in aix3*) version_type=linux # correct to gnu/linux during the next big refactor library_names_spec='$libname$release$shared_ext$versuffix $libname.a' shlibpath_var=LIBPATH # AIX 3 has no versioning support, so we append a major version to the name. soname_spec='$libname$release$shared_ext$major' ;; aix[4-9]*) version_type=linux # correct to gnu/linux during the next big refactor need_lib_prefix=no need_version=no hardcode_into_libs=yes if test ia64 = "$host_cpu"; then # AIX 5 supports IA64 library_names_spec='$libname$release$shared_ext$major $libname$release$shared_ext$versuffix $libname$shared_ext' shlibpath_var=LD_LIBRARY_PATH else # With GCC up to 2.95.x, collect2 would create an import file # for dependence libraries. The import file would start with # the line '#! .'. This would cause the generated library to # depend on '.', always an invalid library. This was fixed in # development snapshots of GCC prior to 3.0. case $host_os in aix4 | aix4.[01] | aix4.[01].*) if { echo '#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 97)' echo ' yes ' echo '#endif'; } | $CC -E - | $GREP yes > /dev/null; then : else can_build_shared=no fi ;; esac # Using Import Files as archive members, it is possible to support # filename-based versioning of shared library archives on AIX. While # this would work for both with and without runtime linking, it will # prevent static linking of such archives. So we do filename-based # shared library versioning with .so extension only, which is used # when both runtime linking and shared linking is enabled. # Unfortunately, runtime linking may impact performance, so we do # not want this to be the default eventually. Also, we use the # versioned .so libs for executables only if there is the -brtl # linker flag in LDFLAGS as well, or --with-aix-soname=svr4 only. # To allow for filename-based versioning support, we need to create # libNAME.so.V as an archive file, containing: # *) an Import File, referring to the versioned filename of the # archive as well as the shared archive member, telling the # bitwidth (32 or 64) of that shared object, and providing the # list of exported symbols of that shared object, eventually # decorated with the 'weak' keyword # *) the shared object with the F_LOADONLY flag set, to really avoid # it being seen by the linker. # At run time we better use the real file rather than another symlink, # but for link time we create the symlink libNAME.so -> libNAME.so.V case $with_aix_soname,$aix_use_runtimelinking in # AIX (on Power*) has no versioning support, so currently we cannot hardcode correct # soname into executable. Probably we can add versioning support to # collect2, so additional links can be useful in future. aix,yes) # traditional libtool dynamic_linker='AIX unversionable lib.so' # If using run time linking (on AIX 4.2 or later) use lib.so # instead of lib.a to let people know that these are not # typical AIX shared libraries. library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' ;; aix,no) # traditional AIX only dynamic_linker='AIX lib.a(lib.so.V)' # We preserve .a as extension for shared libraries through AIX4.2 # and later when we are not doing run time linking. library_names_spec='$libname$release.a $libname.a' soname_spec='$libname$release$shared_ext$major' ;; svr4,*) # full svr4 only dynamic_linker="AIX lib.so.V($shared_archive_member_spec.o)" library_names_spec='$libname$release$shared_ext$major $libname$shared_ext' # We do not specify a path in Import Files, so LIBPATH fires. shlibpath_overrides_runpath=yes ;; *,yes) # both, prefer svr4 dynamic_linker="AIX lib.so.V($shared_archive_member_spec.o), lib.a(lib.so.V)" library_names_spec='$libname$release$shared_ext$major $libname$shared_ext' # unpreferred sharedlib libNAME.a needs extra handling postinstall_cmds='test -n "$linkname" || linkname="$realname"~func_stripname "" ".so" "$linkname"~$install_shared_prog "$dir/$func_stripname_result.$libext" "$destdir/$func_stripname_result.$libext"~test -z "$tstripme" || test -z "$striplib" || $striplib "$destdir/$func_stripname_result.$libext"' postuninstall_cmds='for n in $library_names $old_library; do :; done~func_stripname "" ".so" "$n"~test "$func_stripname_result" = "$n" || func_append rmfiles " $odir/$func_stripname_result.$libext"' # We do not specify a path in Import Files, so LIBPATH fires. shlibpath_overrides_runpath=yes ;; *,no) # both, prefer aix dynamic_linker="AIX lib.a(lib.so.V), lib.so.V($shared_archive_member_spec.o)" library_names_spec='$libname$release.a $libname.a' soname_spec='$libname$release$shared_ext$major' # unpreferred sharedlib libNAME.so.V and symlink libNAME.so need extra handling postinstall_cmds='test -z "$dlname" || $install_shared_prog $dir/$dlname $destdir/$dlname~test -z "$tstripme" || test -z "$striplib" || $striplib $destdir/$dlname~test -n "$linkname" || linkname=$realname~func_stripname "" ".a" "$linkname"~(cd "$destdir" && $LN_S -f $dlname $func_stripname_result.so)' postuninstall_cmds='test -z "$dlname" || func_append rmfiles " $odir/$dlname"~for n in $old_library $library_names; do :; done~func_stripname "" ".a" "$n"~func_append rmfiles " $odir/$func_stripname_result.so"' ;; esac shlibpath_var=LIBPATH fi ;; amigaos*) case $host_cpu in powerpc) # Since July 2007 AmigaOS4 officially supports .so libraries. # When compiling the executable, add -use-dynld -Lsobjs: to the compileline. library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' ;; m68k) library_names_spec='$libname.ixlibrary $libname.a' # Create ${libname}_ixlibrary.a entries in /sys/libs. finish_eval='for lib in `ls $libdir/*.ixlibrary 2>/dev/null`; do libname=`func_echo_all "$lib" | $SED '\''s%^.*/\([^/]*\)\.ixlibrary$%\1%'\''`; $RM /sys/libs/${libname}_ixlibrary.a; $show "cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a"; cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a || exit 1; done' ;; esac ;; beos*) library_names_spec='$libname$shared_ext' dynamic_linker="$host_os ld.so" shlibpath_var=LIBRARY_PATH ;; bsdi[45]*) version_type=linux # correct to gnu/linux during the next big refactor need_version=no library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' finish_cmds='PATH="\$PATH:/sbin" ldconfig $libdir' shlibpath_var=LD_LIBRARY_PATH sys_lib_search_path_spec="/shlib /usr/lib /usr/X11/lib /usr/contrib/lib /lib /usr/local/lib" sys_lib_dlsearch_path_spec="/shlib /usr/lib /usr/local/lib" # the default ld.so.conf also contains /usr/contrib/lib and # /usr/X11R6/lib (/usr/X11 is a link to /usr/X11R6), but let us allow # libtool to hard-code these into programs ;; cygwin* | mingw* | pw32* | cegcc*) version_type=windows shrext_cmds=.dll need_version=no need_lib_prefix=no case $GCC,$cc_basename in yes,*) # gcc library_names_spec='$libname.dll.a' # DLL is installed to $(libdir)/../bin by postinstall_cmds postinstall_cmds='base_file=`basename \$file`~ dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\$base_file'\''i; echo \$dlname'\''`~ dldir=$destdir/`dirname \$dlpath`~ test -d \$dldir || mkdir -p \$dldir~ $install_prog $dir/$dlname \$dldir/$dlname~ chmod a+x \$dldir/$dlname~ if test -n '\''$stripme'\'' && test -n '\''$striplib'\''; then eval '\''$striplib \$dldir/$dlname'\'' || exit \$?; fi' postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; echo \$dlname'\''`~ dlpath=$dir/\$dldll~ $RM \$dlpath' shlibpath_overrides_runpath=yes case $host_os in cygwin*) # Cygwin DLLs use 'cyg' prefix rather than 'lib' soname_spec='`echo $libname | $SED -e 's/^lib/cyg/'``echo $release | $SED -e 's/[.]/-/g'`$versuffix$shared_ext' sys_lib_search_path_spec="$sys_lib_search_path_spec /usr/lib/w32api" ;; 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esac ;; haiku*) version_type=linux # correct to gnu/linux during the next big refactor need_lib_prefix=no need_version=no dynamic_linker="$host_os runtime_loader" library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' shlibpath_var=LIBRARY_PATH shlibpath_overrides_runpath=no sys_lib_dlsearch_path_spec='/boot/home/config/lib /boot/common/lib /boot/system/lib' hardcode_into_libs=yes ;; hpux9* | hpux10* | hpux11*) # Give a soname corresponding to the major version so that dld.sl refuses to # link against other versions. version_type=sunos need_lib_prefix=no need_version=no case $host_cpu in ia64*) shrext_cmds='.so' hardcode_into_libs=yes dynamic_linker="$host_os dld.so" shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes # Unless +noenvvar is specified. library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' if test 32 = "$HPUX_IA64_MODE"; then sys_lib_search_path_spec="/usr/lib/hpux32 /usr/local/lib/hpux32 /usr/local/lib" sys_lib_dlsearch_path_spec=/usr/lib/hpux32 else sys_lib_search_path_spec="/usr/lib/hpux64 /usr/local/lib/hpux64" sys_lib_dlsearch_path_spec=/usr/lib/hpux64 fi ;; hppa*64*) shrext_cmds='.sl' hardcode_into_libs=yes dynamic_linker="$host_os dld.sl" shlibpath_var=LD_LIBRARY_PATH # How should we handle SHLIB_PATH shlibpath_overrides_runpath=yes # Unless +noenvvar is specified. library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' sys_lib_search_path_spec="/usr/lib/pa20_64 /usr/ccs/lib/pa20_64" sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec ;; *) shrext_cmds='.sl' dynamic_linker="$host_os dld.sl" shlibpath_var=SHLIB_PATH shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' ;; esac # HP-UX runs *really* slowly unless shared libraries are mode 555, ... postinstall_cmds='chmod 555 $lib' # or fails outright, so override atomically: install_override_mode=555 ;; interix[3-9]*) version_type=linux # correct to gnu/linux during the next big refactor need_lib_prefix=no need_version=no library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' dynamic_linker='Interix 3.x ld.so.1 (PE, like ELF)' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no hardcode_into_libs=yes ;; irix5* | irix6* | nonstopux*) case $host_os in nonstopux*) version_type=nonstopux ;; *) if test yes = "$lt_cv_prog_gnu_ld"; then version_type=linux # correct to gnu/linux during the next big refactor else version_type=irix fi ;; esac need_lib_prefix=no need_version=no soname_spec='$libname$release$shared_ext$major' library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$release$shared_ext $libname$shared_ext' case $host_os in irix5* | nonstopux*) libsuff= shlibsuff= ;; *) case $LD in # libtool.m4 will add one of these switches to LD *-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ") libsuff= shlibsuff= libmagic=32-bit;; *-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ") libsuff=32 shlibsuff=N32 libmagic=N32;; *-64|*"-64 "|*-melf64bmip|*"-melf64bmip ") libsuff=64 shlibsuff=64 libmagic=64-bit;; *) libsuff= shlibsuff= libmagic=never-match;; esac ;; esac shlibpath_var=LD_LIBRARY${shlibsuff}_PATH shlibpath_overrides_runpath=no sys_lib_search_path_spec="/usr/lib$libsuff /lib$libsuff /usr/local/lib$libsuff" sys_lib_dlsearch_path_spec="/usr/lib$libsuff /lib$libsuff" hardcode_into_libs=yes ;; # No shared lib support for Linux oldld, aout, or coff. linux*oldld* | linux*aout* | linux*coff*) dynamic_linker=no ;; linux*android*) version_type=none # Android doesn't support versioned libraries. need_lib_prefix=no need_version=no library_names_spec='$libname$release$shared_ext' soname_spec='$libname$release$shared_ext' finish_cmds= shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes # This implies no fast_install, which is unacceptable. # Some rework will be needed to allow for fast_install # before this can be enabled. hardcode_into_libs=yes dynamic_linker='Android linker' # Don't embed -rpath directories since the linker doesn't support them. hardcode_libdir_flag_spec='-L$libdir' ;; # This must be glibc/ELF. linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) version_type=linux # correct to gnu/linux during the next big refactor need_lib_prefix=no need_version=no library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no # Some binutils ld are patched to set DT_RUNPATH if test ${lt_cv_shlibpath_overrides_runpath+y} then : printf %s "(cached) " >&6 else $as_nop lt_cv_shlibpath_overrides_runpath=no save_LDFLAGS=$LDFLAGS save_libdir=$libdir eval "libdir=/foo; wl=\"$lt_prog_compiler_wl\"; \ LDFLAGS=\"\$LDFLAGS $hardcode_libdir_flag_spec\"" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main (void) { ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : if ($OBJDUMP -p conftest$ac_exeext) 2>/dev/null | grep "RUNPATH.*$libdir" >/dev/null then : lt_cv_shlibpath_overrides_runpath=yes fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext LDFLAGS=$save_LDFLAGS libdir=$save_libdir fi shlibpath_overrides_runpath=$lt_cv_shlibpath_overrides_runpath # This implies no fast_install, which is unacceptable. # Some rework will be needed to allow for fast_install # before this can be enabled. hardcode_into_libs=yes # Ideally, we could use ldconfig to report *all* directores which are # searched for libraries, however this is still not possible. 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newsos6) version_type=linux # correct to gnu/linux during the next big refactor library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes ;; *nto* | *qnx*) version_type=qnx need_lib_prefix=no need_version=no library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no hardcode_into_libs=yes dynamic_linker='ldqnx.so' ;; openbsd* | bitrig*) version_type=sunos sys_lib_dlsearch_path_spec=/usr/lib need_lib_prefix=no if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`"; then need_version=no else need_version=yes fi library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix' finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes ;; os2*) libname_spec='$name' version_type=windows shrext_cmds=.dll need_version=no need_lib_prefix=no # OS/2 can only load a DLL with a base name of 8 characters or less. soname_spec='`test -n "$os2dllname" && libname="$os2dllname"; v=$($ECHO $release$versuffix | tr -d .-); n=$($ECHO $libname | cut -b -$((8 - ${#v})) | tr . _); $ECHO $n$v`$shared_ext' library_names_spec='${libname}_dll.$libext' dynamic_linker='OS/2 ld.exe' shlibpath_var=BEGINLIBPATH sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib" sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec postinstall_cmds='base_file=`basename \$file`~ dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\$base_file'\''i; $ECHO \$dlname'\''`~ dldir=$destdir/`dirname \$dlpath`~ test -d \$dldir || mkdir -p \$dldir~ $install_prog $dir/$dlname \$dldir/$dlname~ chmod a+x \$dldir/$dlname~ if test -n '\''$stripme'\'' && test -n '\''$striplib'\''; then eval '\''$striplib \$dldir/$dlname'\'' || exit \$?; fi' postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; $ECHO \$dlname'\''`~ dlpath=$dir/\$dldll~ $RM \$dlpath' ;; osf3* | osf4* | osf5*) version_type=osf need_lib_prefix=no need_version=no soname_spec='$libname$release$shared_ext$major' library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' shlibpath_var=LD_LIBRARY_PATH sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib" sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec ;; rdos*) dynamic_linker=no ;; solaris*) version_type=linux # correct to gnu/linux during the next big refactor need_lib_prefix=no need_version=no library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes hardcode_into_libs=yes # ldd complains unless libraries are executable postinstall_cmds='chmod +x $lib' ;; sunos4*) version_type=sunos library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix' finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes if test yes = "$with_gnu_ld"; then need_lib_prefix=no fi need_version=yes ;; sysv4 | sysv4.3*) version_type=linux # correct to gnu/linux during the next big refactor library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' shlibpath_var=LD_LIBRARY_PATH case $host_vendor in sni) shlibpath_overrides_runpath=no need_lib_prefix=no runpath_var=LD_RUN_PATH ;; siemens) need_lib_prefix=no ;; motorola) need_lib_prefix=no need_version=no shlibpath_overrides_runpath=no sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib' ;; esac ;; sysv4*MP*) if test -d /usr/nec; then version_type=linux # correct to gnu/linux during the next big refactor library_names_spec='$libname$shared_ext.$versuffix $libname$shared_ext.$major $libname$shared_ext' soname_spec='$libname$shared_ext.$major' shlibpath_var=LD_LIBRARY_PATH fi ;; sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*) version_type=sco need_lib_prefix=no need_version=no library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes hardcode_into_libs=yes if test yes = "$with_gnu_ld"; then sys_lib_search_path_spec='/usr/local/lib /usr/gnu/lib /usr/ccs/lib /usr/lib /lib' else sys_lib_search_path_spec='/usr/ccs/lib /usr/lib' case $host_os in sco3.2v5*) sys_lib_search_path_spec="$sys_lib_search_path_spec /lib" ;; esac fi sys_lib_dlsearch_path_spec='/usr/lib' ;; tpf*) # TPF is a cross-target only. Preferred cross-host = GNU/Linux. version_type=linux # correct to gnu/linux during the next big refactor need_lib_prefix=no need_version=no library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no hardcode_into_libs=yes ;; uts4*) version_type=linux # correct to gnu/linux during the next big refactor library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' shlibpath_var=LD_LIBRARY_PATH ;; *) dynamic_linker=no ;; esac { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $dynamic_linker" >&5 printf "%s\n" "$dynamic_linker" >&6; } test no = "$dynamic_linker" && can_build_shared=no variables_saved_for_relink="PATH $shlibpath_var $runpath_var" if test yes = "$GCC"; then variables_saved_for_relink="$variables_saved_for_relink GCC_EXEC_PREFIX COMPILER_PATH LIBRARY_PATH" fi if test set = "${lt_cv_sys_lib_search_path_spec+set}"; then sys_lib_search_path_spec=$lt_cv_sys_lib_search_path_spec fi if test set = "${lt_cv_sys_lib_dlsearch_path_spec+set}"; then sys_lib_dlsearch_path_spec=$lt_cv_sys_lib_dlsearch_path_spec fi # remember unaugmented sys_lib_dlsearch_path content for libtool script decls... configure_time_dlsearch_path=$sys_lib_dlsearch_path_spec # ... but it needs LT_SYS_LIBRARY_PATH munging for other configure-time code func_munge_path_list sys_lib_dlsearch_path_spec "$LT_SYS_LIBRARY_PATH" # to be used as default LT_SYS_LIBRARY_PATH value in generated libtool configure_time_lt_sys_library_path=$LT_SYS_LIBRARY_PATH { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking how to hardcode library paths into programs" >&5 printf %s "checking how to hardcode library paths into programs... " >&6; } hardcode_action= if test -n "$hardcode_libdir_flag_spec" || test -n "$runpath_var" || test yes = "$hardcode_automatic"; then # We can hardcode non-existent directories. if test no != "$hardcode_direct" && # If the only mechanism to avoid hardcoding is shlibpath_var, we # have to relink, otherwise we might link with an installed library # when we should be linking with a yet-to-be-installed one ## test no != "$_LT_TAGVAR(hardcode_shlibpath_var, )" && test no != "$hardcode_minus_L"; then # Linking always hardcodes the temporary library directory. hardcode_action=relink else # We can link without hardcoding, and we can hardcode nonexisting dirs. hardcode_action=immediate fi else # We cannot hardcode anything, or else we can only hardcode existing # directories. hardcode_action=unsupported fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $hardcode_action" >&5 printf "%s\n" "$hardcode_action" >&6; } if test relink = "$hardcode_action" || test yes = "$inherit_rpath"; then # Fast installation is not supported enable_fast_install=no elif test yes = "$shlibpath_overrides_runpath" || test no = "$enable_shared"; then # Fast installation is not necessary enable_fast_install=needless fi if test yes != "$enable_dlopen"; then enable_dlopen=unknown enable_dlopen_self=unknown enable_dlopen_self_static=unknown else lt_cv_dlopen=no lt_cv_dlopen_libs= case $host_os in beos*) lt_cv_dlopen=load_add_on lt_cv_dlopen_libs= lt_cv_dlopen_self=yes ;; mingw* | pw32* | cegcc*) lt_cv_dlopen=LoadLibrary lt_cv_dlopen_libs= ;; cygwin*) lt_cv_dlopen=dlopen lt_cv_dlopen_libs= ;; darwin*) # if libdl is installed we need to link against it { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for dlopen in -ldl" >&5 printf %s "checking for dlopen in -ldl... " >&6; } if test ${ac_cv_lib_dl_dlopen+y} then : printf %s "(cached) " >&6 else $as_nop ac_check_lib_save_LIBS=$LIBS LIBS="-ldl $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. Use char because int might match the return type of a GCC builtin and then its argument prototype would still apply. */ char dlopen (); int main (void) { return dlopen (); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : ac_cv_lib_dl_dlopen=yes else $as_nop ac_cv_lib_dl_dlopen=no fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlopen" >&5 printf "%s\n" "$ac_cv_lib_dl_dlopen" >&6; } if test "x$ac_cv_lib_dl_dlopen" = xyes then : lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-ldl else $as_nop lt_cv_dlopen=dyld lt_cv_dlopen_libs= lt_cv_dlopen_self=yes fi ;; tpf*) # Don't try to run any link tests for TPF. We know it's impossible # because TPF is a cross-compiler, and we know how we open DSOs. lt_cv_dlopen=dlopen lt_cv_dlopen_libs= lt_cv_dlopen_self=no ;; *) ac_fn_c_check_func "$LINENO" "shl_load" "ac_cv_func_shl_load" if test "x$ac_cv_func_shl_load" = xyes then : lt_cv_dlopen=shl_load else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for shl_load in -ldld" >&5 printf %s "checking for shl_load in -ldld... " >&6; } if test ${ac_cv_lib_dld_shl_load+y} then : printf %s "(cached) " >&6 else $as_nop ac_check_lib_save_LIBS=$LIBS LIBS="-ldld $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. Use char because int might match the return type of a GCC builtin and then its argument prototype would still apply. */ char shl_load (); int main (void) { return shl_load (); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : ac_cv_lib_dld_shl_load=yes else $as_nop ac_cv_lib_dld_shl_load=no fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dld_shl_load" >&5 printf "%s\n" "$ac_cv_lib_dld_shl_load" >&6; } if test "x$ac_cv_lib_dld_shl_load" = xyes then : lt_cv_dlopen=shl_load lt_cv_dlopen_libs=-ldld else $as_nop ac_fn_c_check_func "$LINENO" "dlopen" "ac_cv_func_dlopen" if test "x$ac_cv_func_dlopen" = xyes then : lt_cv_dlopen=dlopen else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for dlopen in -ldl" >&5 printf %s "checking for dlopen in -ldl... " >&6; } if test ${ac_cv_lib_dl_dlopen+y} then : printf %s "(cached) " >&6 else $as_nop ac_check_lib_save_LIBS=$LIBS LIBS="-ldl $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. Use char because int might match the return type of a GCC builtin and then its argument prototype would still apply. */ char dlopen (); int main (void) { return dlopen (); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : ac_cv_lib_dl_dlopen=yes else $as_nop ac_cv_lib_dl_dlopen=no fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlopen" >&5 printf "%s\n" "$ac_cv_lib_dl_dlopen" >&6; } if test "x$ac_cv_lib_dl_dlopen" = xyes then : lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-ldl else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for dlopen in -lsvld" >&5 printf %s "checking for dlopen in -lsvld... " >&6; } if test ${ac_cv_lib_svld_dlopen+y} then : printf %s "(cached) " >&6 else $as_nop ac_check_lib_save_LIBS=$LIBS LIBS="-lsvld $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. Use char because int might match the return type of a GCC builtin and then its argument prototype would still apply. */ char dlopen (); int main (void) { return dlopen (); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : ac_cv_lib_svld_dlopen=yes else $as_nop ac_cv_lib_svld_dlopen=no fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_svld_dlopen" >&5 printf "%s\n" "$ac_cv_lib_svld_dlopen" >&6; } if test "x$ac_cv_lib_svld_dlopen" = xyes then : lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-lsvld else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for dld_link in -ldld" >&5 printf %s "checking for dld_link in -ldld... " >&6; } if test ${ac_cv_lib_dld_dld_link+y} then : printf %s "(cached) " >&6 else $as_nop ac_check_lib_save_LIBS=$LIBS LIBS="-ldld $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. Use char because int might match the return type of a GCC builtin and then its argument prototype would still apply. */ char dld_link (); int main (void) { return dld_link (); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : ac_cv_lib_dld_dld_link=yes else $as_nop ac_cv_lib_dld_dld_link=no fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dld_dld_link" >&5 printf "%s\n" "$ac_cv_lib_dld_dld_link" >&6; } if test "x$ac_cv_lib_dld_dld_link" = xyes then : lt_cv_dlopen=dld_link lt_cv_dlopen_libs=-ldld fi fi fi fi fi fi ;; esac if test no = "$lt_cv_dlopen"; then enable_dlopen=no else enable_dlopen=yes fi case $lt_cv_dlopen in dlopen) save_CPPFLAGS=$CPPFLAGS test yes = "$ac_cv_header_dlfcn_h" && CPPFLAGS="$CPPFLAGS -DHAVE_DLFCN_H" save_LDFLAGS=$LDFLAGS wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $export_dynamic_flag_spec\" save_LIBS=$LIBS LIBS="$lt_cv_dlopen_libs $LIBS" { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether a program can dlopen itself" >&5 printf %s "checking whether a program can dlopen itself... " >&6; } if test ${lt_cv_dlopen_self+y} then : printf %s "(cached) " >&6 else $as_nop if test yes = "$cross_compiling"; then : lt_cv_dlopen_self=cross else lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 lt_status=$lt_dlunknown cat > conftest.$ac_ext <<_LT_EOF #line $LINENO "configure" #include "confdefs.h" #if HAVE_DLFCN_H #include #endif #include #ifdef RTLD_GLOBAL # define LT_DLGLOBAL RTLD_GLOBAL #else # ifdef DL_GLOBAL # define LT_DLGLOBAL DL_GLOBAL # else # define LT_DLGLOBAL 0 # endif #endif /* We may have to define LT_DLLAZY_OR_NOW in the command line if we find out it does not work in some platform. */ #ifndef LT_DLLAZY_OR_NOW # ifdef RTLD_LAZY # define LT_DLLAZY_OR_NOW RTLD_LAZY # else # ifdef DL_LAZY # define LT_DLLAZY_OR_NOW DL_LAZY # else # ifdef RTLD_NOW # define LT_DLLAZY_OR_NOW RTLD_NOW # else # ifdef DL_NOW # define LT_DLLAZY_OR_NOW DL_NOW # else # define LT_DLLAZY_OR_NOW 0 # endif # endif # endif # endif #endif /* When -fvisibility=hidden is used, assume the code has been annotated correspondingly for the symbols needed. */ #if defined __GNUC__ && (((__GNUC__ == 3) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 3)) int fnord () __attribute__((visibility("default"))); #endif int fnord () { return 42; } int main () { void *self = dlopen (0, LT_DLGLOBAL|LT_DLLAZY_OR_NOW); int status = $lt_dlunknown; if (self) { if (dlsym (self,"fnord")) status = $lt_dlno_uscore; else { if (dlsym( self,"_fnord")) status = $lt_dlneed_uscore; else puts (dlerror ()); } /* dlclose (self); */ } else puts (dlerror ()); return status; } _LT_EOF if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_link\""; } >&5 (eval $ac_link) 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; } && test -s "conftest$ac_exeext" 2>/dev/null; then (./conftest; exit; ) >&5 2>/dev/null lt_status=$? case x$lt_status in x$lt_dlno_uscore) lt_cv_dlopen_self=yes ;; x$lt_dlneed_uscore) lt_cv_dlopen_self=yes ;; x$lt_dlunknown|x*) lt_cv_dlopen_self=no ;; esac else : # compilation failed lt_cv_dlopen_self=no fi fi rm -fr conftest* fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_dlopen_self" >&5 printf "%s\n" "$lt_cv_dlopen_self" >&6; } if test yes = "$lt_cv_dlopen_self"; then wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $lt_prog_compiler_static\" { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether a statically linked program can dlopen itself" >&5 printf %s "checking whether a statically linked program can dlopen itself... " >&6; } if test ${lt_cv_dlopen_self_static+y} then : printf %s "(cached) " >&6 else $as_nop if test yes = "$cross_compiling"; then : lt_cv_dlopen_self_static=cross else lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 lt_status=$lt_dlunknown cat > conftest.$ac_ext <<_LT_EOF #line $LINENO "configure" #include "confdefs.h" #if HAVE_DLFCN_H #include #endif #include #ifdef RTLD_GLOBAL # define LT_DLGLOBAL RTLD_GLOBAL #else # ifdef DL_GLOBAL # define LT_DLGLOBAL DL_GLOBAL # else # define LT_DLGLOBAL 0 # endif #endif /* We may have to define LT_DLLAZY_OR_NOW in the command line if we find out it does not work in some platform. */ #ifndef LT_DLLAZY_OR_NOW # ifdef RTLD_LAZY # define LT_DLLAZY_OR_NOW RTLD_LAZY # else # ifdef DL_LAZY # define LT_DLLAZY_OR_NOW DL_LAZY # else # ifdef RTLD_NOW # define LT_DLLAZY_OR_NOW RTLD_NOW # else # ifdef DL_NOW # define LT_DLLAZY_OR_NOW DL_NOW # else # define LT_DLLAZY_OR_NOW 0 # endif # endif # endif # endif #endif /* When -fvisibility=hidden is used, assume the code has been annotated correspondingly for the symbols needed. */ #if defined __GNUC__ && (((__GNUC__ == 3) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 3)) int fnord () __attribute__((visibility("default"))); #endif int fnord () { return 42; } int main () { void *self = dlopen (0, LT_DLGLOBAL|LT_DLLAZY_OR_NOW); int status = $lt_dlunknown; if (self) { if (dlsym (self,"fnord")) status = $lt_dlno_uscore; else { if (dlsym( self,"_fnord")) status = $lt_dlneed_uscore; else puts (dlerror ()); } /* dlclose (self); */ } else puts (dlerror ()); return status; } _LT_EOF if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_link\""; } >&5 (eval $ac_link) 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; } && test -s "conftest$ac_exeext" 2>/dev/null; then (./conftest; exit; ) >&5 2>/dev/null lt_status=$? case x$lt_status in x$lt_dlno_uscore) lt_cv_dlopen_self_static=yes ;; x$lt_dlneed_uscore) lt_cv_dlopen_self_static=yes ;; x$lt_dlunknown|x*) lt_cv_dlopen_self_static=no ;; esac else : # compilation failed lt_cv_dlopen_self_static=no fi fi rm -fr conftest* fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_dlopen_self_static" >&5 printf "%s\n" "$lt_cv_dlopen_self_static" >&6; } fi CPPFLAGS=$save_CPPFLAGS LDFLAGS=$save_LDFLAGS LIBS=$save_LIBS ;; esac case $lt_cv_dlopen_self in yes|no) enable_dlopen_self=$lt_cv_dlopen_self ;; *) enable_dlopen_self=unknown ;; esac case $lt_cv_dlopen_self_static in yes|no) enable_dlopen_self_static=$lt_cv_dlopen_self_static ;; *) enable_dlopen_self_static=unknown ;; esac fi striplib= old_striplib= { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether stripping libraries is possible" >&5 printf %s "checking whether stripping libraries is possible... " >&6; } if test -z "$STRIP"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } else if $STRIP -V 2>&1 | $GREP "GNU strip" >/dev/null; then old_striplib="$STRIP --strip-debug" striplib="$STRIP --strip-unneeded" { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } else case $host_os in darwin*) # FIXME - insert some real tests, host_os isn't really good enough striplib="$STRIP -x" old_striplib="$STRIP -S" { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } ;; freebsd*) if $STRIP -V 2>&1 | $GREP "elftoolchain" >/dev/null; then old_striplib="$STRIP --strip-debug" striplib="$STRIP --strip-unneeded" { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi ;; *) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } ;; esac fi fi # Report what library types will actually be built { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if libtool supports shared libraries" >&5 printf %s "checking if libtool supports shared libraries... " >&6; } { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $can_build_shared" >&5 printf "%s\n" "$can_build_shared" >&6; } { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether to build shared libraries" >&5 printf %s "checking whether to build shared libraries... " >&6; } test no = "$can_build_shared" && enable_shared=no # On AIX, shared libraries and static libraries use the same namespace, and # are all built from PIC. case $host_os in aix3*) test yes = "$enable_shared" && enable_static=no if test -n "$RANLIB"; then archive_cmds="$archive_cmds~\$RANLIB \$lib" postinstall_cmds='$RANLIB $lib' fi ;; aix[4-9]*) if test ia64 != "$host_cpu"; then case $enable_shared,$with_aix_soname,$aix_use_runtimelinking in yes,aix,yes) ;; # shared object as lib.so file only yes,svr4,*) ;; # shared object as lib.so archive member only yes,*) enable_static=no ;; # shared object in lib.a archive as well esac fi ;; esac { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $enable_shared" >&5 printf "%s\n" "$enable_shared" >&6; } { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether to build static libraries" >&5 printf %s "checking whether to build static libraries... " >&6; } # Make sure either enable_shared or enable_static is yes. test yes = "$enable_shared" || enable_static=yes { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $enable_static" >&5 printf "%s\n" "$enable_static" >&6; } fi ac_ext=c ac_cpp='$CPP $CPPFLAGS' ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' ac_compiler_gnu=$ac_cv_c_compiler_gnu CC=$lt_save_CC ac_config_commands="$ac_config_commands libtool" # Only expand once: if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}pkg-config", so it can be a program name with args. set dummy ${ac_tool_prefix}pkg-config; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_path_PKG_CONFIG+y} then : printf %s "(cached) " >&6 else $as_nop case $PKG_CONFIG in [\\/]* | ?:[\\/]*) ac_cv_path_PKG_CONFIG="$PKG_CONFIG" # Let the user override the test with a path. ;; *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_path_PKG_CONFIG="$as_dir$ac_word$ac_exec_ext" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS ;; esac fi PKG_CONFIG=$ac_cv_path_PKG_CONFIG if test -n "$PKG_CONFIG"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $PKG_CONFIG" >&5 printf "%s\n" "$PKG_CONFIG" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi fi if test -z "$ac_cv_path_PKG_CONFIG"; then ac_pt_PKG_CONFIG=$PKG_CONFIG # Extract the first word of "pkg-config", so it can be a program name with args. set dummy pkg-config; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_path_ac_pt_PKG_CONFIG+y} then : printf %s "(cached) " >&6 else $as_nop case $ac_pt_PKG_CONFIG in [\\/]* | ?:[\\/]*) ac_cv_path_ac_pt_PKG_CONFIG="$ac_pt_PKG_CONFIG" # Let the user override the test with a path. ;; *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_path_ac_pt_PKG_CONFIG="$as_dir$ac_word$ac_exec_ext" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS ;; esac fi ac_pt_PKG_CONFIG=$ac_cv_path_ac_pt_PKG_CONFIG if test -n "$ac_pt_PKG_CONFIG"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_pt_PKG_CONFIG" >&5 printf "%s\n" "$ac_pt_PKG_CONFIG" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi if test "x$ac_pt_PKG_CONFIG" = x; then PKG_CONFIG="" else case $cross_compiling:$ac_tool_warned in yes:) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac PKG_CONFIG=$ac_pt_PKG_CONFIG fi else PKG_CONFIG="$ac_cv_path_PKG_CONFIG" fi fi if test -n "$PKG_CONFIG"; then _pkg_min_version=0.9.0 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking pkg-config is at least version $_pkg_min_version" >&5 printf %s "checking pkg-config is at least version $_pkg_min_version... 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" >&6; } if test ${ac_cv_prog_CC+y} then : printf %s "(cached) " >&6 else $as_nop if test -n "$CC"; then ac_cv_prog_CC="$CC" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_CC="${ac_tool_prefix}gcc" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi CC=$ac_cv_prog_CC if test -n "$CC"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 printf "%s\n" "$CC" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi fi if test -z "$ac_cv_prog_CC"; then ac_ct_CC=$CC # Extract the first word of "gcc", so it can be a program name with args. set dummy gcc; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_ac_ct_CC+y} then : printf %s "(cached) " >&6 else $as_nop if test -n "$ac_ct_CC"; then ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_CC="gcc" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_CC=$ac_cv_prog_ac_ct_CC if test -n "$ac_ct_CC"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5 printf "%s\n" "$ac_ct_CC" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi if test "x$ac_ct_CC" = x; then CC="" else case $cross_compiling:$ac_tool_warned in yes:) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac CC=$ac_ct_CC fi else CC="$ac_cv_prog_CC" fi if test -z "$CC"; then if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}cc", so it can be a program name with args. set dummy ${ac_tool_prefix}cc; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_CC+y} then : printf %s "(cached) " >&6 else $as_nop if test -n "$CC"; then ac_cv_prog_CC="$CC" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_CC="${ac_tool_prefix}cc" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi CC=$ac_cv_prog_CC if test -n "$CC"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 printf "%s\n" "$CC" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi fi fi if test -z "$CC"; then # Extract the first word of "cc", so it can be a program name with args. set dummy cc; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_CC+y} then : printf %s "(cached) " >&6 else $as_nop if test -n "$CC"; then ac_cv_prog_CC="$CC" # Let the user override the test. else ac_prog_rejected=no as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then if test "$as_dir$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then ac_prog_rejected=yes continue fi ac_cv_prog_CC="cc" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS if test $ac_prog_rejected = yes; then # We found a bogon in the path, so make sure we never use it. set dummy $ac_cv_prog_CC shift if test $# != 0; then # We chose a different compiler from the bogus one. # However, it has the same basename, so the bogon will be chosen # first if we set CC to just the basename; use the full file name. shift ac_cv_prog_CC="$as_dir$ac_word${1+' '}$@" fi fi fi fi CC=$ac_cv_prog_CC if test -n "$CC"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 printf "%s\n" "$CC" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi fi if test -z "$CC"; then if test -n "$ac_tool_prefix"; then for ac_prog in cl.exe do # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args. set dummy $ac_tool_prefix$ac_prog; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_CC+y} then : printf %s "(cached) " >&6 else $as_nop if test -n "$CC"; then ac_cv_prog_CC="$CC" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_CC="$ac_tool_prefix$ac_prog" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi CC=$ac_cv_prog_CC if test -n "$CC"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 printf "%s\n" "$CC" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi test -n "$CC" && break done fi if test -z "$CC"; then ac_ct_CC=$CC for ac_prog in cl.exe do # Extract the first word of "$ac_prog", so it can be a program name with args. set dummy $ac_prog; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_ac_ct_CC+y} then : printf %s "(cached) " >&6 else $as_nop if test -n "$ac_ct_CC"; then ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_CC="$ac_prog" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_CC=$ac_cv_prog_ac_ct_CC if test -n "$ac_ct_CC"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5 printf "%s\n" "$ac_ct_CC" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi test -n "$ac_ct_CC" && break done if test "x$ac_ct_CC" = x; then CC="" else case $cross_compiling:$ac_tool_warned in yes:) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac CC=$ac_ct_CC fi fi fi if test -z "$CC"; then if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}clang", so it can be a program name with args. set dummy ${ac_tool_prefix}clang; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_CC+y} then : printf %s "(cached) " >&6 else $as_nop if test -n "$CC"; then ac_cv_prog_CC="$CC" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_CC="${ac_tool_prefix}clang" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi CC=$ac_cv_prog_CC if test -n "$CC"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 printf "%s\n" "$CC" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi fi if test -z "$ac_cv_prog_CC"; then ac_ct_CC=$CC # Extract the first word of "clang", so it can be a program name with args. set dummy clang; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_ac_ct_CC+y} then : printf %s "(cached) " >&6 else $as_nop if test -n "$ac_ct_CC"; then ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_CC="clang" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_CC=$ac_cv_prog_ac_ct_CC if test -n "$ac_ct_CC"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5 printf "%s\n" "$ac_ct_CC" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi if test "x$ac_ct_CC" = x; then CC="" else case $cross_compiling:$ac_tool_warned in yes:) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac CC=$ac_ct_CC fi else CC="$ac_cv_prog_CC" fi fi test -z "$CC" && { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;} as_fn_error $? "no acceptable C compiler found in \$PATH See \`config.log' for more details" "$LINENO" 5; } # Provide some information about the compiler. printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for C compiler version" >&5 set X $ac_compile ac_compiler=$2 for ac_option in --version -v -V -qversion -version; do { { ac_try="$ac_compiler $ac_option >&5" case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" printf "%s\n" "$ac_try_echo"; } >&5 (eval "$ac_compiler $ac_option >&5") 2>conftest.err ac_status=$? if test -s conftest.err; then sed '10a\ ... rest of stderr output deleted ... 10q' conftest.err >conftest.er1 cat conftest.er1 >&5 fi rm -f conftest.er1 conftest.err printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; } done { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports GNU C" >&5 printf %s "checking whether the compiler supports GNU C... " >&6; } if test ${ac_cv_c_compiler_gnu+y} then : printf %s "(cached) " >&6 else $as_nop cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main (void) { #ifndef __GNUC__ choke me #endif ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO" then : ac_compiler_gnu=yes else $as_nop ac_compiler_gnu=no fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ac_cv_c_compiler_gnu=$ac_compiler_gnu fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_compiler_gnu" >&5 printf "%s\n" "$ac_cv_c_compiler_gnu" >&6; } ac_compiler_gnu=$ac_cv_c_compiler_gnu if test $ac_compiler_gnu = yes; then GCC=yes else GCC= fi ac_test_CFLAGS=${CFLAGS+y} ac_save_CFLAGS=$CFLAGS { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts -g" >&5 printf %s "checking whether $CC accepts -g... 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esac ;; haiku*) version_type=linux # correct to gnu/linux during the next big refactor need_lib_prefix=no need_version=no dynamic_linker="$host_os runtime_loader" library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' shlibpath_var=LIBRARY_PATH shlibpath_overrides_runpath=no sys_lib_dlsearch_path_spec='/boot/home/config/lib /boot/common/lib /boot/system/lib' hardcode_into_libs=yes ;; hpux9* | hpux10* | hpux11*) # Give a soname corresponding to the major version so that dld.sl refuses to # link against other versions. version_type=sunos need_lib_prefix=no need_version=no case $host_cpu in ia64*) shrext_cmds='.so' hardcode_into_libs=yes dynamic_linker="$host_os dld.so" shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes # Unless +noenvvar is specified. library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' if test 32 = "$HPUX_IA64_MODE"; then sys_lib_search_path_spec="/usr/lib/hpux32 /usr/local/lib/hpux32 /usr/local/lib" sys_lib_dlsearch_path_spec=/usr/lib/hpux32 else sys_lib_search_path_spec="/usr/lib/hpux64 /usr/local/lib/hpux64" sys_lib_dlsearch_path_spec=/usr/lib/hpux64 fi ;; hppa*64*) shrext_cmds='.sl' hardcode_into_libs=yes dynamic_linker="$host_os dld.sl" shlibpath_var=LD_LIBRARY_PATH # How should we handle SHLIB_PATH shlibpath_overrides_runpath=yes # Unless +noenvvar is specified. library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' sys_lib_search_path_spec="/usr/lib/pa20_64 /usr/ccs/lib/pa20_64" sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec ;; *) shrext_cmds='.sl' dynamic_linker="$host_os dld.sl" shlibpath_var=SHLIB_PATH shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' ;; esac # HP-UX runs *really* slowly unless shared libraries are mode 555, ... postinstall_cmds='chmod 555 $lib' # or fails outright, so override atomically: install_override_mode=555 ;; interix[3-9]*) version_type=linux # correct to gnu/linux during the next big refactor need_lib_prefix=no need_version=no library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' dynamic_linker='Interix 3.x ld.so.1 (PE, like ELF)' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no hardcode_into_libs=yes ;; irix5* | irix6* | nonstopux*) case $host_os in nonstopux*) version_type=nonstopux ;; *) if test yes = "$lt_cv_prog_gnu_ld"; then version_type=linux # correct to gnu/linux during the next big refactor else version_type=irix fi ;; esac need_lib_prefix=no need_version=no soname_spec='$libname$release$shared_ext$major' library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$release$shared_ext $libname$shared_ext' case $host_os in irix5* | nonstopux*) libsuff= shlibsuff= ;; *) case $LD in # libtool.m4 will add one of these switches to LD *-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ") libsuff= shlibsuff= libmagic=32-bit;; *-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ") libsuff=32 shlibsuff=N32 libmagic=N32;; *-64|*"-64 "|*-melf64bmip|*"-melf64bmip ") libsuff=64 shlibsuff=64 libmagic=64-bit;; *) libsuff= shlibsuff= libmagic=never-match;; esac ;; esac shlibpath_var=LD_LIBRARY${shlibsuff}_PATH shlibpath_overrides_runpath=no sys_lib_search_path_spec="/usr/lib$libsuff /lib$libsuff /usr/local/lib$libsuff" sys_lib_dlsearch_path_spec="/usr/lib$libsuff /lib$libsuff" hardcode_into_libs=yes ;; # No shared lib support for Linux oldld, aout, or coff. linux*oldld* | linux*aout* | linux*coff*) dynamic_linker=no ;; linux*android*) version_type=none # Android doesn't support versioned libraries. need_lib_prefix=no need_version=no library_names_spec='$libname$release$shared_ext' soname_spec='$libname$release$shared_ext' finish_cmds= shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes # This implies no fast_install, which is unacceptable. # Some rework will be needed to allow for fast_install # before this can be enabled. hardcode_into_libs=yes dynamic_linker='Android linker' # Don't embed -rpath directories since the linker doesn't support them. hardcode_libdir_flag_spec_CXX='-L$libdir' ;; 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$ECHO \$dlname'\''`~ dlpath=$dir/\$dldll~ $RM \$dlpath' ;; osf3* | osf4* | osf5*) version_type=osf need_lib_prefix=no need_version=no soname_spec='$libname$release$shared_ext$major' library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' shlibpath_var=LD_LIBRARY_PATH sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib" sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec ;; rdos*) dynamic_linker=no ;; solaris*) version_type=linux # correct to gnu/linux during the next big refactor need_lib_prefix=no need_version=no library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes hardcode_into_libs=yes # ldd complains unless libraries are executable postinstall_cmds='chmod +x $lib' ;; sunos4*) version_type=sunos library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix' finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes if test yes = "$with_gnu_ld"; then need_lib_prefix=no fi need_version=yes ;; sysv4 | sysv4.3*) version_type=linux # correct to gnu/linux during the next big refactor library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' shlibpath_var=LD_LIBRARY_PATH case $host_vendor in sni) shlibpath_overrides_runpath=no need_lib_prefix=no runpath_var=LD_RUN_PATH ;; siemens) need_lib_prefix=no ;; motorola) need_lib_prefix=no need_version=no shlibpath_overrides_runpath=no sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib' ;; esac ;; sysv4*MP*) if test -d /usr/nec; then version_type=linux # correct to gnu/linux during the next big refactor library_names_spec='$libname$shared_ext.$versuffix $libname$shared_ext.$major $libname$shared_ext' soname_spec='$libname$shared_ext.$major' shlibpath_var=LD_LIBRARY_PATH fi ;; sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*) version_type=sco need_lib_prefix=no need_version=no library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes hardcode_into_libs=yes if test yes = "$with_gnu_ld"; then sys_lib_search_path_spec='/usr/local/lib /usr/gnu/lib /usr/ccs/lib /usr/lib /lib' else sys_lib_search_path_spec='/usr/ccs/lib /usr/lib' case $host_os in sco3.2v5*) sys_lib_search_path_spec="$sys_lib_search_path_spec /lib" ;; esac fi sys_lib_dlsearch_path_spec='/usr/lib' ;; tpf*) # TPF is a cross-target only. Preferred cross-host = GNU/Linux. version_type=linux # correct to gnu/linux during the next big refactor need_lib_prefix=no need_version=no library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no hardcode_into_libs=yes ;; uts4*) version_type=linux # correct to gnu/linux during the next big refactor library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' shlibpath_var=LD_LIBRARY_PATH ;; *) dynamic_linker=no ;; esac { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $dynamic_linker" >&5 printf "%s\n" "$dynamic_linker" >&6; } test no = "$dynamic_linker" && can_build_shared=no variables_saved_for_relink="PATH $shlibpath_var $runpath_var" if test yes = "$GCC"; then variables_saved_for_relink="$variables_saved_for_relink GCC_EXEC_PREFIX COMPILER_PATH LIBRARY_PATH" fi if test set = "${lt_cv_sys_lib_search_path_spec+set}"; then sys_lib_search_path_spec=$lt_cv_sys_lib_search_path_spec fi if test set = "${lt_cv_sys_lib_dlsearch_path_spec+set}"; then sys_lib_dlsearch_path_spec=$lt_cv_sys_lib_dlsearch_path_spec fi # remember unaugmented sys_lib_dlsearch_path content for libtool script decls... configure_time_dlsearch_path=$sys_lib_dlsearch_path_spec # ... but it needs LT_SYS_LIBRARY_PATH munging for other configure-time code func_munge_path_list sys_lib_dlsearch_path_spec "$LT_SYS_LIBRARY_PATH" # to be used as default LT_SYS_LIBRARY_PATH value in generated libtool configure_time_lt_sys_library_path=$LT_SYS_LIBRARY_PATH { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking how to hardcode library paths into programs" >&5 printf %s "checking how to hardcode library paths into programs... " >&6; } hardcode_action_CXX= if test -n "$hardcode_libdir_flag_spec_CXX" || test -n "$runpath_var_CXX" || test yes = "$hardcode_automatic_CXX"; then # We can hardcode non-existent directories. if test no != "$hardcode_direct_CXX" && # If the only mechanism to avoid hardcoding is shlibpath_var, we # have to relink, otherwise we might link with an installed library # when we should be linking with a yet-to-be-installed one ## test no != "$_LT_TAGVAR(hardcode_shlibpath_var, CXX)" && test no != "$hardcode_minus_L_CXX"; then # Linking always hardcodes the temporary library directory. hardcode_action_CXX=relink else # We can link without hardcoding, and we can hardcode nonexisting dirs. hardcode_action_CXX=immediate fi else # We cannot hardcode anything, or else we can only hardcode existing # directories. hardcode_action_CXX=unsupported fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $hardcode_action_CXX" >&5 printf "%s\n" "$hardcode_action_CXX" >&6; } if test relink = "$hardcode_action_CXX" || test yes = "$inherit_rpath_CXX"; then # Fast installation is not supported enable_fast_install=no elif test yes = "$shlibpath_overrides_runpath" || test no = "$enable_shared"; then # Fast installation is not necessary enable_fast_install=needless fi fi # test -n "$compiler" CC=$lt_save_CC CFLAGS=$lt_save_CFLAGS LDCXX=$LD LD=$lt_save_LD GCC=$lt_save_GCC with_gnu_ld=$lt_save_with_gnu_ld lt_cv_path_LDCXX=$lt_cv_path_LD lt_cv_path_LD=$lt_save_path_LD lt_cv_prog_gnu_ldcxx=$lt_cv_prog_gnu_ld lt_cv_prog_gnu_ld=$lt_save_with_gnu_ld fi # test yes != "$_lt_caught_CXX_error" ac_ext=c ac_cpp='$CPP $CPPFLAGS' ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' ac_compiler_gnu=$ac_cv_c_compiler_gnu pkg_failed=no { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for eigen3" >&5 printf %s "checking for eigen3... " >&6; } if test -n "$Eigen3_CFLAGS"; then pkg_cv_Eigen3_CFLAGS="$Eigen3_CFLAGS" elif test -n "$PKG_CONFIG"; then if test -n "$PKG_CONFIG" && \ { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"eigen3\""; } >&5 ($PKG_CONFIG --exists --print-errors "eigen3") 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then pkg_cv_Eigen3_CFLAGS=`$PKG_CONFIG --cflags "eigen3" 2>/dev/null` test "x$?" != "x0" && pkg_failed=yes else pkg_failed=yes fi else pkg_failed=untried fi if test -n "$Eigen3_LIBS"; then pkg_cv_Eigen3_LIBS="$Eigen3_LIBS" elif test -n "$PKG_CONFIG"; then if test -n "$PKG_CONFIG" && \ { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"eigen3\""; } >&5 ($PKG_CONFIG --exists --print-errors "eigen3") 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then pkg_cv_Eigen3_LIBS=`$PKG_CONFIG --libs "eigen3" 2>/dev/null` test "x$?" != "x0" && pkg_failed=yes else pkg_failed=yes fi else pkg_failed=untried fi if test $pkg_failed = yes; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then _pkg_short_errors_supported=yes else _pkg_short_errors_supported=no fi if test $_pkg_short_errors_supported = yes; then Eigen3_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "eigen3" 2>&1` else Eigen3_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "eigen3" 2>&1` fi # Put the nasty error message in config.log where it belongs echo "$Eigen3_PKG_ERRORS" >&5 as_fn_error $? "Package requirements (eigen3) were not met: $Eigen3_PKG_ERRORS Consider adjusting the PKG_CONFIG_PATH environment variable if you installed software in a non-standard prefix. Alternatively, you may set the environment variables Eigen3_CFLAGS and Eigen3_LIBS to avoid the need to call pkg-config. See the pkg-config man page for more details." "$LINENO" 5 elif test $pkg_failed = untried; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;} as_fn_error $? "The pkg-config script could not be found or is too old. Make sure it is in your PATH or set the PKG_CONFIG environment variable to the full path to pkg-config. Alternatively, you may set the environment variables Eigen3_CFLAGS and Eigen3_LIBS to avoid the need to call pkg-config. See the pkg-config man page for more details. To get pkg-config, see . See \`config.log' for more details" "$LINENO" 5; } else Eigen3_CFLAGS=$pkg_cv_Eigen3_CFLAGS Eigen3_LIBS=$pkg_cv_Eigen3_LIBS { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } fi pkg_failed=no { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for epoxy" >&5 printf %s "checking for epoxy... " >&6; } if test -n "$epoxy_CFLAGS"; then pkg_cv_epoxy_CFLAGS="$epoxy_CFLAGS" elif test -n "$PKG_CONFIG"; then if test -n "$PKG_CONFIG" && \ { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"epoxy\""; } >&5 ($PKG_CONFIG --exists --print-errors "epoxy") 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then pkg_cv_epoxy_CFLAGS=`$PKG_CONFIG --cflags "epoxy" 2>/dev/null` test "x$?" != "x0" && pkg_failed=yes else pkg_failed=yes fi else pkg_failed=untried fi if test -n "$epoxy_LIBS"; then pkg_cv_epoxy_LIBS="$epoxy_LIBS" elif test -n "$PKG_CONFIG"; then if test -n "$PKG_CONFIG" && \ { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"epoxy\""; } >&5 ($PKG_CONFIG --exists --print-errors "epoxy") 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then pkg_cv_epoxy_LIBS=`$PKG_CONFIG --libs "epoxy" 2>/dev/null` test "x$?" != "x0" && pkg_failed=yes else pkg_failed=yes fi else pkg_failed=untried fi if test $pkg_failed = yes; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then _pkg_short_errors_supported=yes else _pkg_short_errors_supported=no fi if test $_pkg_short_errors_supported = yes; then epoxy_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "epoxy" 2>&1` else epoxy_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "epoxy" 2>&1` fi # Put the nasty error message in config.log where it belongs echo "$epoxy_PKG_ERRORS" >&5 as_fn_error $? "Package requirements (epoxy) were not met: $epoxy_PKG_ERRORS Consider adjusting the PKG_CONFIG_PATH environment variable if you installed software in a non-standard prefix. Alternatively, you may set the environment variables epoxy_CFLAGS and epoxy_LIBS to avoid the need to call pkg-config. See the pkg-config man page for more details." "$LINENO" 5 elif test $pkg_failed = untried; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;} as_fn_error $? "The pkg-config script could not be found or is too old. Make sure it is in your PATH or set the PKG_CONFIG environment variable to the full path to pkg-config. Alternatively, you may set the environment variables epoxy_CFLAGS and epoxy_LIBS to avoid the need to call pkg-config. See the pkg-config man page for more details. To get pkg-config, see . See \`config.log' for more details" "$LINENO" 5; } else epoxy_CFLAGS=$pkg_cv_epoxy_CFLAGS epoxy_LIBS=$pkg_cv_epoxy_LIBS { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } fi pkg_failed=no { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for fftw3" >&5 printf %s "checking for fftw3... " >&6; } if test -n "$FFTW3_CFLAGS"; then pkg_cv_FFTW3_CFLAGS="$FFTW3_CFLAGS" elif test -n "$PKG_CONFIG"; then if test -n "$PKG_CONFIG" && \ { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"fftw3\""; } >&5 ($PKG_CONFIG --exists --print-errors "fftw3") 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then pkg_cv_FFTW3_CFLAGS=`$PKG_CONFIG --cflags "fftw3" 2>/dev/null` test "x$?" != "x0" && pkg_failed=yes else pkg_failed=yes fi else pkg_failed=untried fi if test -n "$FFTW3_LIBS"; then pkg_cv_FFTW3_LIBS="$FFTW3_LIBS" elif test -n "$PKG_CONFIG"; then if test -n "$PKG_CONFIG" && \ { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"fftw3\""; } >&5 ($PKG_CONFIG --exists --print-errors "fftw3") 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then pkg_cv_FFTW3_LIBS=`$PKG_CONFIG --libs "fftw3" 2>/dev/null` test "x$?" != "x0" && pkg_failed=yes else pkg_failed=yes fi else pkg_failed=untried fi if test $pkg_failed = yes; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then _pkg_short_errors_supported=yes else _pkg_short_errors_supported=no fi if test $_pkg_short_errors_supported = yes; then FFTW3_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "fftw3" 2>&1` else FFTW3_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "fftw3" 2>&1` fi # Put the nasty error message in config.log where it belongs echo "$FFTW3_PKG_ERRORS" >&5 as_fn_error $? "Package requirements (fftw3) were not met: $FFTW3_PKG_ERRORS Consider adjusting the PKG_CONFIG_PATH environment variable if you installed software in a non-standard prefix. Alternatively, you may set the environment variables FFTW3_CFLAGS and FFTW3_LIBS to avoid the need to call pkg-config. See the pkg-config man page for more details." "$LINENO" 5 elif test $pkg_failed = untried; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;} as_fn_error $? "The pkg-config script could not be found or is too old. Make sure it is in your PATH or set the PKG_CONFIG environment variable to the full path to pkg-config. Alternatively, you may set the environment variables FFTW3_CFLAGS and FFTW3_LIBS to avoid the need to call pkg-config. See the pkg-config man page for more details. To get pkg-config, see . See \`config.log' for more details" "$LINENO" 5; } else FFTW3_CFLAGS=$pkg_cv_FFTW3_CFLAGS FFTW3_LIBS=$pkg_cv_FFTW3_LIBS { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } fi CXXFLAGS="$CXXFLAGS -std=gnu++14" # Needed for unit tests and the demo app. with_demo_app=yes pkg_failed=no { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for sdl2" >&5 printf %s "checking for sdl2... " >&6; } if test -n "$SDL2_CFLAGS"; then pkg_cv_SDL2_CFLAGS="$SDL2_CFLAGS" elif test -n "$PKG_CONFIG"; then if test -n "$PKG_CONFIG" && \ { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"sdl2\""; } >&5 ($PKG_CONFIG --exists --print-errors "sdl2") 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then pkg_cv_SDL2_CFLAGS=`$PKG_CONFIG --cflags "sdl2" 2>/dev/null` test "x$?" != "x0" && pkg_failed=yes else pkg_failed=yes fi else pkg_failed=untried fi if test -n "$SDL2_LIBS"; then pkg_cv_SDL2_LIBS="$SDL2_LIBS" elif test -n "$PKG_CONFIG"; then if test -n "$PKG_CONFIG" && \ { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"sdl2\""; } >&5 ($PKG_CONFIG --exists --print-errors "sdl2") 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then pkg_cv_SDL2_LIBS=`$PKG_CONFIG --libs "sdl2" 2>/dev/null` test "x$?" != "x0" && pkg_failed=yes else pkg_failed=yes fi else pkg_failed=untried fi if test $pkg_failed = yes; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then _pkg_short_errors_supported=yes else _pkg_short_errors_supported=no fi if test $_pkg_short_errors_supported = yes; then SDL2_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "sdl2" 2>&1` else SDL2_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "sdl2" 2>&1` fi # Put the nasty error message in config.log where it belongs echo "$SDL2_PKG_ERRORS" >&5 as_fn_error $? "Package requirements (sdl2) were not met: $SDL2_PKG_ERRORS Consider adjusting the PKG_CONFIG_PATH environment variable if you installed software in a non-standard prefix. Alternatively, you may set the environment variables SDL2_CFLAGS and SDL2_LIBS to avoid the need to call pkg-config. See the pkg-config man page for more details." "$LINENO" 5 elif test $pkg_failed = untried; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;} as_fn_error $? "The pkg-config script could not be found or is too old. Make sure it is in your PATH or set the PKG_CONFIG environment variable to the full path to pkg-config. Alternatively, you may set the environment variables SDL2_CFLAGS and SDL2_LIBS to avoid the need to call pkg-config. See the pkg-config man page for more details. To get pkg-config, see . See \`config.log' for more details" "$LINENO" 5; } else SDL2_CFLAGS=$pkg_cv_SDL2_CFLAGS SDL2_LIBS=$pkg_cv_SDL2_LIBS { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } fi # This is only needed for the demo app. pkg_failed=no { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for SDL2_image" >&5 printf %s "checking for SDL2_image... " >&6; } if test -n "$SDL2_image_CFLAGS"; then pkg_cv_SDL2_image_CFLAGS="$SDL2_image_CFLAGS" elif test -n "$PKG_CONFIG"; then if test -n "$PKG_CONFIG" && \ { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"SDL2_image\""; } >&5 ($PKG_CONFIG --exists --print-errors "SDL2_image") 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then pkg_cv_SDL2_image_CFLAGS=`$PKG_CONFIG --cflags "SDL2_image" 2>/dev/null` test "x$?" != "x0" && pkg_failed=yes else pkg_failed=yes fi else pkg_failed=untried fi if test -n "$SDL2_image_LIBS"; then pkg_cv_SDL2_image_LIBS="$SDL2_image_LIBS" elif test -n "$PKG_CONFIG"; then if test -n "$PKG_CONFIG" && \ { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"SDL2_image\""; } >&5 ($PKG_CONFIG --exists --print-errors "SDL2_image") 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then pkg_cv_SDL2_image_LIBS=`$PKG_CONFIG --libs "SDL2_image" 2>/dev/null` test "x$?" != "x0" && pkg_failed=yes else pkg_failed=yes fi else pkg_failed=untried fi if test $pkg_failed = yes; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then _pkg_short_errors_supported=yes else _pkg_short_errors_supported=no fi if test $_pkg_short_errors_supported = yes; then SDL2_image_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "SDL2_image" 2>&1` else SDL2_image_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "SDL2_image" 2>&1` fi # Put the nasty error message in config.log where it belongs echo "$SDL2_image_PKG_ERRORS" >&5 with_demo_app=no; { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: SDL2_image not found, demo program will not be built" >&5 printf "%s\n" "$as_me: WARNING: SDL2_image not found, demo program will not be built" >&2;} elif test $pkg_failed = untried; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } with_demo_app=no; { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: SDL2_image not found, demo program will not be built" >&5 printf "%s\n" "$as_me: WARNING: SDL2_image not found, demo program will not be built" >&2;} else SDL2_image_CFLAGS=$pkg_cv_SDL2_image_CFLAGS SDL2_image_LIBS=$pkg_cv_SDL2_image_LIBS { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } fi pkg_failed=no { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for libpng" >&5 printf %s "checking for libpng... 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