From ae9d0ce9ba91b9ba1a4f7ec4dc3fccd35992ef66 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Kristian=20H=C3=B8gsberg?= <krh@redhat.com>
Date: Thu, 23 Jul 2009 10:15:17 -0400
Subject: [PATCH] Only do pageflipping when the window isn't redirected

---
 hw/xfree86/dri2/dri2.c | 15 +++++++--------
 1 file changed, 7 insertions(+), 8 deletions(-)

diff --git a/hw/xfree86/dri2/dri2.c b/hw/xfree86/dri2/dri2.c
index ee857ebdb..7b9fb23aa 100644
--- a/hw/xfree86/dri2/dri2.c
+++ b/hw/xfree86/dri2/dri2.c
@@ -347,21 +347,20 @@ static Bool
 DRI2FlipCheck(DrawablePtr pDraw)
 {
     ScreenPtr pScreen = pDraw->pScreen;
-    WindowPtr pWin;
-    PixmapPtr pWinPixmap;
+    WindowPtr pWin, pRoot;
+    PixmapPtr pWinPixmap, pRootPixmap;
 
     if (pDraw->type == DRAWABLE_PIXMAP)
 	return TRUE;
 
+    pRoot = WindowTable[pScreen->myNum];
+    pRootPixmap = pScreen->GetWindowPixmap(pRoot);
+
     pWin = (WindowPtr) pDraw;
     pWinPixmap = pScreen->GetWindowPixmap(pWin);
-    if (pDraw->width != pWinPixmap->drawable.width)
+    if (pRootPixmap != pWinPixmap)
 	return FALSE;
-    if (pDraw->height != pWinPixmap->drawable.height)
-	return FALSE;
-    if (pDraw->depth != pWinPixmap->drawable.depth)
-	return FALSE;
-    if (!REGION_EQUAL(pScreen, &pWin->clipList, &pWin->winSize))
+    if (!REGION_EQUAL(pScreen, &pWin->clipList, &pRoot->winSize))
 	return FALSE;
 
     return TRUE;