aboutsummaryrefslogtreecommitdiff
path: root/xorg-server/hw/xfree86/dri2/dri2.c
diff options
context:
space:
mode:
Diffstat (limited to 'xorg-server/hw/xfree86/dri2/dri2.c')
-rw-r--r--xorg-server/hw/xfree86/dri2/dri2.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/xorg-server/hw/xfree86/dri2/dri2.c b/xorg-server/hw/xfree86/dri2/dri2.c
index 578773a5a..aba2202d6 100644
--- a/xorg-server/hw/xfree86/dri2/dri2.c
+++ b/xorg-server/hw/xfree86/dri2/dri2.c
@@ -640,6 +640,17 @@ DRI2CanFlip(DrawablePtr pDraw)
if (!RegionEqual(&pWin->clipList, &pRoot->winSize))
return FALSE;
+ /* Does the window match the pixmap exactly? */
+ if (pDraw->x != 0 ||
+ pDraw->y != 0 ||
+#ifdef COMPOSITE
+ pDraw->x != pWinPixmap->screen_x ||
+ pDraw->y != pWinPixmap->screen_y ||
+#endif
+ pDraw->width != pWinPixmap->drawable.width ||
+ pDraw->height != pWinPixmap->drawable.height)
+ return FALSE;
+
return TRUE;
}