--- ./glxgears.c.~1.9.~	2005-02-03 18:55:35.000000000 +0100
+++ ./glxgears.c	2005-03-06 04:09:18.000000000 +0100
@@ -567,18 +567,22 @@
 #endif /* BUILD_PRINTSUPPORT */
 
             draw();
-            glXSwapBuffers(dpy, win);
 
-            /* Flush frame, give CPU away and/or sync with Xserver */
+            /* Flush frame and/or sync with Xserver, do this before
+	     * glXSwapBuffers for performance reasons */
             if (do_glfinish_after_frame)
                 glFinish();
             if (do_xflush_after_frame)
                XFlush(dpy);
-            if (do_sched_yield_after_frame)
-                sched_yield();
             if (do_xsync_after_frame)
                 XSync(dpy, False);
 
+            glXSwapBuffers(dpy, win);
+
+	    /* give CPU away while glXSwapBuffers keeps the GPU busy */
+            if (do_sched_yield_after_frame)
+                sched_yield();
+
 #ifdef BUILD_PRINTSUPPORT
             if (numPages > 0) {
                Log(("End page.\n"));