-/* $XFree86: xc/lib/GL/mesa/src/drv/r200/r200_lock.c,v 1.1 2002/10/30 12:51:52 alanh Exp $ */
/*
Copyright (C) The Weather Channel, Inc. 2002. All Rights Reserved.
r200UpdatePageFlipping( r200ContextPtr rmesa )
{
rmesa->doPageFlip = rmesa->sarea->pfState;
- driFlipRenderbuffers(rmesa->glCtx->WinSysDrawBuffer,
- rmesa->sarea->pfCurrentPage);
+ if (rmesa->glCtx->WinSysDrawBuffer) {
+ driFlipRenderbuffers(rmesa->glCtx->WinSysDrawBuffer,
+ rmesa->sarea->pfCurrentPage);
+ }
}