]> git.sesse.net Git - movit/blobdiff - demo.cpp
Ignore .ld files.
[movit] / demo.cpp
index 7b3152889fdc167e9ec938ab2856ae741e75b652..845a776d20859b67f829ed69e5070d59cf509132 100644 (file)
--- a/demo.cpp
+++ b/demo.cpp
@@ -4,33 +4,38 @@
 #define WIDTH 1280
 #define HEIGHT 720
 
-#include <string.h>
-#include <math.h>
-#include <time.h>
-#include <sys/time.h>
-#include <assert.h>
-
-#include <string>
-#include <vector>
-#include <map>
-
 #include <GL/glew.h>
-
 #include <SDL/SDL.h>
-#include <SDL/SDL_opengl.h>
+#include <SDL/SDL_error.h>
+#include <SDL/SDL_events.h>
 #include <SDL/SDL_image.h>
+#include <SDL/SDL_keyboard.h>
+#include <SDL/SDL_keysym.h>
+#include <SDL/SDL_mouse.h>
+#include <SDL/SDL_video.h>
+#include <assert.h>
+#include <features.h>
+#include <math.h>
 #include <png.h>
+#include <pngconf.h>
+#include <setjmp.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/time.h>
+#include <time.h>
 
-#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);
@@ -183,6 +197,13 @@ int main(int argc, char **argv)
        EffectChain chain(WIDTH, HEIGHT);
        glViewport(0, 0, WIDTH, HEIGHT);
 
+       glMatrixMode(GL_PROJECTION);
+       glLoadIdentity();
+       glOrtho(0.0, 1.0, 0.0, 1.0, 0.0, 1.0);
+
+       glMatrixMode(GL_MODELVIEW);
+       glLoadIdentity();
+
        ImageFormat inout_format;
        inout_format.color_space = COLORSPACE_sRGB;
        inout_format.gamma_curve = GAMMA_sRGB;
@@ -299,6 +320,15 @@ 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;