X-Git-Url: https://git.sesse.net/?p=movit;a=blobdiff_plain;f=demo.cpp;h=81d3e5091909e5cae8afe2b36fbd6b6addb3edb3;hp=0083f68288c04e48a7f4b88deb1ef6d6da4d0136;hb=8dedcc2fd11b00fec125212b60e144363033137d;hpb=37f56fcbe571b2322243f6de59494bf9e0cbb37a

diff --git a/demo.cpp b/demo.cpp
index 0083f68..81d3e50 100644
--- a/demo.cpp
+++ b/demo.cpp
@@ -21,7 +21,6 @@
 #include <setjmp.h>
 #include <stdio.h>
 #include <stdlib.h>
-#include <string.h>
 #include <sys/time.h>
 #include <time.h>
 
@@ -180,6 +179,15 @@ int main(int argc, char **argv)
 	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);
@@ -303,6 +311,15 @@ 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;