radeon: avoid page flip code in DRI2

diff --git a/src/mesa/drivers/dri/radeon/radeon_state.c b/src/mesa/drivers/dri/radeon/radeon_state.c
index 86d8720..5fffa28 100644 (file)
--- a/src/mesa/drivers/dri/radeon/radeon_state.c
+++ b/src/mesa/drivers/dri/radeon/radeon_state.c
@@ -1563,7 +1563,8 @@ static void radeonDrawBuffer( GLcontext *ctx, GLenum mode )
    }
 
    radeonSetCliprects( &rmesa->radeon );
-   radeonUpdatePageFlipping(&rmesa->radeon);
+   if (!rmesa->radeon.radeonScreen->driScreen->dri2.enabled)
+      radeonUpdatePageFlipping(&rmesa->radeon);
    /* We'll set the drawing engine's offset/pitch parameters later
     * when we update other state.
     */