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DRITreeTraversal: Stop walking tree when we've seen all DRI windows.

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This commit is contained in:
Michel Dänzer 2007-06-11 09:23:19 +02:00
parent 0fb44c6f9a
commit 5d896e43fd
1 changed files with 8 additions and 3 deletions
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11
hw/xfree86/dri/dri.c
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@ -1863,11 +1863,15 @@ DRITreeTraversal(WindowPtr pWin, pointer data)
if(pDRIDrawablePriv) {
ScreenPtr pScreen = pWin->drawable.pScreen;
DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
RegionPtr reg = (RegionPtr)data;
REGION_UNION(pScreen, reg, reg, &(pWin->clipList));
if(REGION_NUM_RECTS(&(pWin->clipList)) > 0) {
RegionPtr reg = (RegionPtr)data;
if(pDRIPriv->nrWindows == 1)
REGION_UNION(pScreen, reg, reg, &(pWin->clipList));
pDRIPriv->nrWalked++;
}
if(pDRIPriv->nrWindows == pDRIPriv->nrWalked)
return WT_STOPWALKING;
}
return WT_WALKCHILDREN;
@ -1885,6 +1889,7 @@ DRICopyWindow(WindowPtr pWin, DDXPointRec ptOldOrg, RegionPtr prgnSrc)
RegionRec reg;
REGION_NULL(pScreen, &reg);
pDRIPriv->nrWalked = 0;
TraverseTree(pWin, DRITreeTraversal, (pointer)(&reg));
if(REGION_NOTEMPTY(pScreen, &reg)) {