Make width and height #defines.

[glcapture] / glcapture.c

diff --git a/glcapture.c b/glcapture.c
index bb4c36ed0ca39413346affa99162f2ecd4c771b9..c67c87d9e5dfb0a29b978b0b2d5d32c0e54f42b5 100644 (file)
--- 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);