In the demo application, reset the FPS counter every hundred frames.

[movit] / demo.cpp

diff --git a/demo.cpp b/demo.cpp
index 6e5f18c58ef229578f2e673bc7723d67d7755d61..cd9fe9fb9dfb2e29e694d6bf82153b9e157821a2 100644 (file)
--- a/demo.cpp
+++ b/demo.cpp
@@ -4,33 +4,37 @@
 #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 <string.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"
 
 unsigned char result[WIDTH * HEIGHT * 4];
 
@@ -196,7 +200,7 @@ int main(int argc, char **argv)
        //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_POSTMULTIPLIED);
+       chain.add_output(inout_format, OUTPUT_ALPHA_FORMAT_POSTMULTIPLIED);
        chain.set_dither_bits(8);
        chain.finalize();
 
@@ -299,6 +303,15 @@ 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;