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Diffstat (limited to 'src/mesa/drivers/dri/radeon/radeon_lock.c')
-rw-r--r--src/mesa/drivers/dri/radeon/radeon_lock.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/src/mesa/drivers/dri/radeon/radeon_lock.c b/src/mesa/drivers/dri/radeon/radeon_lock.c
index cdf8a19fb1..312041e035 100644
--- a/src/mesa/drivers/dri/radeon/radeon_lock.c
+++ b/src/mesa/drivers/dri/radeon/radeon_lock.c
@@ -56,8 +56,10 @@ static void
radeonUpdatePageFlipping( radeonContextPtr rmesa )
{
rmesa->doPageFlip = rmesa->sarea->pfState;
- driFlipRenderbuffers(rmesa->glCtx->WinSysDrawBuffer,
- rmesa->sarea->pfCurrentPage);
+ if (rmesa->glCtx->WinSysDrawBuffer) {
+ driFlipRenderbuffers(rmesa->glCtx->WinSysDrawBuffer,
+ rmesa->sarea->pfCurrentPage);
+ }
}