X-Git-Url: https://git.sesse.net/?p=glcapture;a=blobdiff_plain;f=glcapture.c;h=c67c87d9e5dfb0a29b978b0b2d5d32c0e54f42b5;hp=bb4c36ed0ca39413346affa99162f2ecd4c771b9;hb=5a3def119751d78bf9055a679b186026a0adefe6;hpb=a6402ef8388be6272df87349f35f5aa1bbe82b4b

diff --git a/glcapture.c b/glcapture.c
index bb4c36e..c67c87d 100644
--- a/glcapture.c
+++ b/glcapture.c
@@ -18,7 +18,10 @@
 #define RTLD_NEXT ((void *) -1l)
 #endif
 
-static char buf[640 * 480 * 3];
+#define WIDTH 640
+#define HEIGHT 480
+
+static char buf[WIDTH * HEIGHT * 3];
 static int frameno = 0;
 
 void glXSwapBuffers( Display *dpy, GLXDrawable drawable )
@@ -28,12 +31,12 @@ void glXSwapBuffers( Display *dpy, GLXDrawable drawable )
 
 	FILE *ppm;
 	char filename[256];
-	glReadPixels(0, 0, 640, 480, GL_RGB, GL_UNSIGNED_BYTE, buf);
+	glReadPixels(0, 0, WIDTH, HEIGHT, GL_RGB, GL_UNSIGNED_BYTE, buf);
 
 	sprintf(filename, "frame%05u.ppm", frameno++);
 	ppm = fopen(filename, "w");
-	fprintf(ppm, "P6\n640 480\n255\n");
-	fwrite(buf, 640*480*3, 1, ppm);
+	fprintf(ppm, "P6\nWIDTH HEIGHT\n255\n");
+	fwrite(buf, WIDTH*HEIGHT*3, 1, ppm);
 	fclose(ppm);
 
 	real_swap(dpy, drawable);