Fake_glXSwapBuffers( Display *dpy, GLXDrawable drawable )
{
XMesaBuffer buffer = XMesaFindBuffer( dpy, drawable );
+ static boolean firsttime = 1, no_rast = 0;
+
+ if (firsttime) {
+ no_rast = getenv("SP_NO_RAST") != NULL;
+ firsttime = 0;
+ }
+
+ if (no_rast)
+ return;
if (buffer) {
XMesaSwapBuffers(buffer);