X-Git-Url: https://git.sesse.net/?p=movit;a=blobdiff_plain;f=demo.cpp;h=9831b31f082ee39c6f40437bb98825bd6c69c342;hp=7b3152889fdc167e9ec938ab2856ae741e75b652;hb=12c11c0e615f7fc17ef7a600ff0c9099f7908dbc;hpb=572e7aaa57028d7eda4bc445a6249637134a2b02 diff --git a/demo.cpp b/demo.cpp index 7b31528..9831b31 100644 --- a/demo.cpp +++ b/demo.cpp @@ -4,33 +4,38 @@ #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 +#include +#include +#include #include +#include +#include +#include +#include +#include +#include -#include "init.h" +#include "diffusion_effect.h" #include "effect.h" #include "effect_chain.h" -#include "util.h" -#include "widgets.h" - #include "flat_input.h" +#include "image_format.h" +#include "init.h" #include "lift_gamma_gain_effect.h" #include "saturation_effect.h" -#include "diffusion_effect.h" +#include "util.h" +#include "widgets.h" + +using namespace movit; unsigned char result[WIDTH * HEIGHT * 4]; @@ -173,9 +178,18 @@ int main(int argc, char **argv) SDL_SetVideoMode(WIDTH, HEIGHT, 0, SDL_OPENGL); SDL_WM_SetCaption("OpenGL window", NULL); - init_movit(".", MOVIT_DEBUG_ON); + 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) { + if (movit_shader_rounding_supported) { + printf("Rounding off in the shader to compensate.\n"); + } else { + printf("No shader roundoff available; cannot 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); @@ -299,6 +313,15 @@ int main(int argc, char **argv) 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 } return 0;