xlib_playground

commit 529f1754ff15880c8e668f02d0b7144d37fabeba
parent 326d4061b95da2fa868e7ee26a1ee9e60f039d34
Author: Matsuda Kenji <info@mtkn.jp>
Date:   Thu, 22 Dec 2022 12:03:32 +0900

add preprocess

Diffstat:
M
ex2/ex2.c
 | 
9
+++++++--

1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/ex2/ex2.c b/ex2/ex2.c
@@ -11,6 +11,8 @@
 #define INIT_HEIGHT 600
 #define FPS 60
 
+#define COUNT_FPS
+
 
 /* variables */
 Display     *display;
@@ -64,7 +66,9 @@ main(void)
 	int px, py;
 	int quit;
 	long t0, t1, dt;
-	int fps_count;
+#ifdef COUNT_FPS
+	int fps_count = 0;
+#endif
 	struct timespec ts;
 	XEvent event;
 
@@ -72,7 +76,6 @@ main(void)
 	quit = 0;
 	clock_gettime(CLOCK_MONOTONIC, &ts);
 	t0 = ts.tv_nsec;
-	fps_count = 0;
 
 	while (!quit){
 		while(XPending(display) > 0){
@@ -104,6 +107,7 @@ main(void)
 			t1 = ts.tv_nsec;
 			dt = t1 > t0 ? t1 - t0 : t1 - t0 + 1000 * 1000 * 1000;
 		}
+#ifdef COUNT_FPS
 		// count fps.
 		// simple but not precise.
 		fps_count++;
@@ -111,6 +115,7 @@ main(void)
 			printf("fps: %u\n", fps_count);
 			fps_count = 0;
 		}
+#endif
 
 		clock_gettime(CLOCK_MONOTONIC, &ts);
 		t0 = ts.tv_nsec;