X-Git-Url: https://git.sesse.net/?p=movit;a=blobdiff_plain;f=main.cpp;h=4fbcdf39d8e5ee3ff6cc8447f2db860ff409f907;hp=3b2bcad7961dc53c5bd13ed8a8703602c2b5bfd3;hb=0dc1dfe6444a700ebd2c9f006cba000b90c3a7b0;hpb=a88f299483ffe5068cd2828513078b9103325da8 diff --git a/main.cpp b/main.cpp index 3b2bcad..4fbcdf3 100644 --- a/main.cpp +++ b/main.cpp @@ -3,11 +3,11 @@ #define WIDTH 1280 #define HEIGHT 720 -#define BUFFER_OFFSET(i) ((char *)NULL + (i)) #include #include #include +#include #include #include @@ -25,7 +25,11 @@ #include "effect_chain.h" #include "util.h" #include "widgets.h" -#include "texture_enum.h" + +#include "flat_input.h" +#include "lift_gamma_gain_effect.h" +#include "saturation_effect.h" +#include "diffusion_effect.h" unsigned char result[WIDTH * HEIGHT * 4]; @@ -34,123 +38,31 @@ 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 lift_r = 0.0f, lift_g = 0.0f, lift_b = 0.0f; -float gamma_r = 1.0f, gamma_g = 1.0f, gamma_b = 1.0f; -float gain_r = 1.0f, gain_g = 1.0f, gain_b = 1.0f; - -GLhandleARB read_shader(const char* filename, GLenum type) +//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) { - static char buf[131072]; - FILE *fp = fopen(filename, "r"); - if (fp == NULL) { - perror(filename); - exit(1); - } - - int len = fread(buf, 1, sizeof(buf), fp); - fclose(fp); + RGBTriplet lift(0.0f, 0.0f, 0.0f); + RGBTriplet gamma(1.0f, 1.0f, 1.0f); + RGBTriplet gain(1.0f, 1.0f, 1.0f); - GLhandleARB obj = glCreateShaderObjectARB(type); - const GLchar* source[] = { buf }; - const GLint length[] = { len }; - 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; - printf("shader compile log: %s\n", info_log); - - GLint status; - glGetShaderiv(obj, GL_COMPILE_STATUS, &status); - if (status == GL_FALSE) { - exit(1); - } - - return obj; -} - -void draw_picture_quad(GLint prog, int frame) -{ - glUseProgramObjectARB(prog); - check_error(); - - glActiveTexture(GL_TEXTURE0); - glBindTexture(GL_TEXTURE_2D, SOURCE_IMAGE); - glUniform1i(glGetUniformLocation(prog, "tex"), 0); - - glActiveTexture(GL_TEXTURE1); - glBindTexture(GL_TEXTURE_1D, SRGB_LUT); - glUniform1i(glGetUniformLocation(prog, "srgb_tex"), 1); - - glActiveTexture(GL_TEXTURE2); - glBindTexture(GL_TEXTURE_1D, SRGB_REVERSE_LUT); - glUniform1i(glGetUniformLocation(prog, "srgb_reverse_tex"), 2); - - glUniform3f(glGetUniformLocation(prog, "lift"), lift_r, lift_g, lift_b); - //glUniform3f(glGetUniformLocation(prog, "gamma"), gamma_r, gamma_g, gamma_b); - glUniform3f(glGetUniformLocation(prog, "inv_gamma_22"), - 2.2f / gamma_r, - 2.2f / gamma_g, - 2.2f / gamma_b); - glUniform3f(glGetUniformLocation(prog, "gain_pow_inv_gamma"), - pow(gain_r, 1.0f / gamma_r), - pow(gain_g, 1.0f / gamma_g), - pow(gain_b, 1.0f / gamma_b)); - glUniform1f(glGetUniformLocation(prog, "saturation"), saturation); - - glDisable(GL_BLEND); - check_error(); - glDisable(GL_DEPTH_TEST); - check_error(); - glDepthMask(GL_FALSE); - check_error(); - - glMatrixMode(GL_PROJECTION); - glLoadIdentity(); - glOrtho(0.0, 1.0, 0.0, 1.0, 0.0, 1.0); - - glMatrixMode(GL_MODELVIEW); - glLoadIdentity(); - - glClearColor(1.0f, 0.0f, 0.0f, 1.0f); -// glClear(GL_COLOR_BUFFER_BIT); - check_error(); - - glBegin(GL_QUADS); - - glTexCoord2f(0.0f, 1.0f); - glVertex2f(0.0f, 0.0f); - - glTexCoord2f(1.0f, 1.0f); - glVertex2f(1.0f, 0.0f); - - glTexCoord2f(1.0f, 0.0f); - glVertex2f(1.0f, 1.0f); - - glTexCoord2f(0.0f, 0.0f); - glVertex2f(0.0f, 1.0f); - - glEnd(); - check_error(); -} + hsv2rgb(lift_theta, lift_rad, lift_v, &lift.r, &lift.g, &lift.b); + hsv2rgb(gamma_theta, gamma_rad, gamma_v * 2.0f, &gamma.r, &gamma.g, &gamma.b); + hsv2rgb(gain_theta, gain_rad, gain_v * 4.0f, &gain.r, &gain.g, &gain.b); -void update_hsv() -{ - hsv2rgb(lift_theta, lift_rad, lift_v, &lift_r, &lift_g, &lift_b); - hsv2rgb(gamma_theta, gamma_rad, gamma_v * 2.0f, &gamma_r, &gamma_g, &gamma_b); - hsv2rgb(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; } - - printf("lift: %f %f %f\n", lift_r, lift_g, lift_b); - printf("gamma: %f %f %f\n", gamma_r, gamma_g, gamma_b); - printf("gain: %f %f %f\n", gain_r, gain_g, gain_b); - printf("saturation: %f\n", saturation); - printf("\n"); + ok = saturation_effect->set_float("saturation", saturation); + assert(ok); } void mouse(int x, int y) @@ -166,12 +78,20 @@ void mouse(int x, int y) 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); } - - update_hsv(); } -void load_texture(const char *filename) +unsigned char *load_image(const char *filename, unsigned *w, unsigned *h) { SDL_Surface *img = IMG_Load(filename); if (img == NULL) { @@ -179,48 +99,34 @@ void load_texture(const char *filename) exit(1); } - // Convert to RGB. - SDL_PixelFormat *fmt = img->format; - SDL_LockSurface(img); - unsigned char *src_pixels = (unsigned char *)img->pixels; - unsigned char *dst_pixels = (unsigned char *)malloc(img->w * img->h * 3); - for (unsigned i = 0; i < img->w * img->h; ++i) { - unsigned char r, g, b; - unsigned int temp; - unsigned int pixel = *(unsigned int *)(src_pixels + i * fmt->BytesPerPixel); - - temp = pixel & fmt->Rmask; - temp = temp >> fmt->Rshift; - temp = temp << fmt->Rloss; - r = temp; - - temp = pixel & fmt->Gmask; - temp = temp >> fmt->Gshift; - temp = temp << fmt->Gloss; - g = temp; - - temp = pixel & fmt->Bmask; - temp = temp >> fmt->Bshift; - temp = temp << fmt->Bloss; - b = temp; - - dst_pixels[i * 3 + 0] = r; - dst_pixels[i * 3 + 1] = g; - dst_pixels[i * 3 + 2] = b; - } - SDL_UnlockSurface(img); + SDL_PixelFormat rgba_fmt; + rgba_fmt.palette = NULL; + 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; + + rgba_fmt.colorkey = 0; + rgba_fmt.alpha = 255; + + SDL_Surface *converted = SDL_ConvertSurface(img, &rgba_fmt, SDL_SWSURFACE); + + *w = img->w; + *h = img->h; -#if 1 - // we will convert to sRGB in the shader - glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, img->w, img->h, 0, GL_RGB, GL_UNSIGNED_BYTE, dst_pixels); - check_error(); -#else - // implicit sRGB conversion in hardware - glTexImage2D(GL_TEXTURE_2D, 0, GL_SRGB8, img->w, img->h, 0, GL_RGB, GL_UNSIGNED_BYTE, dst_pixels); - check_error(); -#endif - free(dst_pixels); SDL_FreeSurface(img); + + return (unsigned char *)converted->pixels; } void write_ppm(const char *filename, unsigned char *screenbuf) @@ -253,86 +159,45 @@ int main(int argc, char **argv) glPixelStorei(GL_UNPACK_ALIGNMENT, 1); glPixelStorei(GL_PACK_ALIGNMENT, 1); - glBindTexture(GL_TEXTURE_2D, SOURCE_IMAGE); - check_error(); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); - check_error(); - - load_texture("blg_wheels_woman_1.jpg"); - //glGenerateMipmap(GL_TEXTURE_2D); - //glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_BASE_LEVEL, 4); - //check_error(); - - //load_texture("maserati_gts_wallpaper_1280x720_01.jpg"); - //load_texture("90630d1295075297-console-games-wallpapers-wallpaper_need_for_speed_prostreet_09_1920x1080.jpg"); - //load_texture("glacier-lake-1280-720-4087.jpg"); - -#if 0 - // sRGB reverse LUT - glBindTexture(GL_TEXTURE_1D, SRGB_REVERSE_LUT); - check_error(); - glTexParameteri(GL_TEXTURE_1D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); - glTexParameteri(GL_TEXTURE_1D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); - check_error(); - float srgb_reverse_tex[4096]; - for (unsigned i = 0; i < 4096; ++i) { - float x = i / 4095.0; - if (x < 0.0031308f) { - srgb_reverse_tex[i] = 12.92f * x; - } else { - srgb_reverse_tex[i] = 1.055f * pow(x, 1.0f / 2.4f) - 0.055f; - } - } - glTexImage1D(GL_TEXTURE_1D, 0, GL_LUMINANCE16F_ARB, 4096, 0, GL_LUMINANCE, GL_FLOAT, srgb_reverse_tex); - check_error(); - - // sRGB LUT - glBindTexture(GL_TEXTURE_1D, SRGB_LUT); - check_error(); - glTexParameteri(GL_TEXTURE_1D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); - glTexParameteri(GL_TEXTURE_1D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); - check_error(); - float srgb_tex[256]; - for (unsigned i = 0; i < 256; ++i) { - float x = i / 255.0; - if (x < 0.04045f) { - srgb_tex[i] = x * (1.0f / 12.92f); - } else { - srgb_tex[i] = pow((x + 0.055) * (1.0 / 1.055f), 2.4); - } - } - glTexImage1D(GL_TEXTURE_1D, 0, GL_LUMINANCE16F_ARB, 256, 0, GL_LUMINANCE, GL_FLOAT, srgb_tex); - check_error(); -#endif - - // generate a PDO to hold the data we read back with glReadPixels() - // (Intel/DRI goes into a slow path if we don't read to PDO) - glBindBuffer(GL_PIXEL_PACK_BUFFER_ARB, 1); + unsigned img_w, img_h; + unsigned char *src_img = load_image("blg_wheels_woman_1.jpg", &img_w, &img_h); + + EffectChain chain(WIDTH, HEIGHT); + + ImageFormat inout_format; + inout_format.pixel_format = FORMAT_BGRA; + inout_format.color_space = COLORSPACE_sRGB; + inout_format.gamma_curve = GAMMA_sRGB; + + FlatInput *input = new FlatInput(inout_format, WIDTH, HEIGHT); + 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); + 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, NULL, GL_STREAM_READ); make_hsv_wheel_texture(); - update_hsv(); - - int prog = glCreateProgram(); - GLhandleARB vs_obj = read_shader("vs.glsl", GL_VERTEX_SHADER); - GLhandleARB fs_obj = read_shader("fs.glsl", GL_FRAGMENT_SHADER); - glAttachObjectARB(prog, vs_obj); - check_error(); - glAttachObjectARB(prog, fs_obj); - check_error(); - glLinkProgram(prog); - check_error(); - - GLchar info_log[4096]; - GLsizei log_length = sizeof(info_log) - 1; - log_length = sizeof(info_log) - 1; - glGetProgramInfoLog(prog, log_length, &log_length, info_log); - info_log[log_length] = 0; - printf("link: %s\n", info_log); - struct timespec start, now; int frame = 0, screenshot = 0; +#if _POSIX_C_SOURCE >= 199309L + struct timespec start, now; clock_gettime(CLOCK_MONOTONIC, &start); +#else + struct timeval start, now; + gettimeofday(&start, NULL); +#endif while (!quit) { SDL_Event event; @@ -352,19 +217,41 @@ int main(int argc, char **argv) ++frame; - draw_picture_quad(prog, 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 }); + + diffusion_effect->set_float("radius", blur_radius); + 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(); + glLoadIdentity(); 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); + 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_SwapBuffers(); 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) { @@ -376,11 +263,19 @@ int main(int argc, char **argv) } 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, NULL); + 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);