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path: root/xorg-server/exa/exa_unaccel.c
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Diffstat (limited to 'xorg-server/exa/exa_unaccel.c')
-rw-r--r--xorg-server/exa/exa_unaccel.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/xorg-server/exa/exa_unaccel.c b/xorg-server/exa/exa_unaccel.c
index 9c22fc5f1..1ed08d5b1 100644
--- a/xorg-server/exa/exa_unaccel.c
+++ b/xorg-server/exa/exa_unaccel.c
@@ -127,11 +127,10 @@ ExaCheckCopyNtoN (DrawablePtr pSrc, DrawablePtr pDst, GCPtr pGC,
EXA_FALLBACK(("from %p to %p (%c,%c)\n", pSrc, pDst,
exaDrawableLocation(pSrc), exaDrawableLocation(pDst)));
- if (pExaScr->prepare_access_reg) {
+ if (pExaScr->prepare_access_reg && RegionInitBoxes(&reg, pbox, nbox)) {
PixmapPtr pPixmap = exaGetDrawablePixmap(pSrc);
exaGetDrawableDeltas(pSrc, pPixmap, &xoff, &yoff);
- RegionInit(&reg, pbox, nbox);
RegionTranslate(&reg, xoff + dx, yoff + dy);
pExaScr->prepare_access_reg(pPixmap, EXA_PREPARE_SRC, &reg);
RegionUninit(&reg);
@@ -140,11 +139,11 @@ ExaCheckCopyNtoN (DrawablePtr pSrc, DrawablePtr pDst, GCPtr pGC,
if (pExaScr->prepare_access_reg &&
!exaGCReadsDestination(pDst, pGC->planemask, pGC->fillStyle,
- pGC->alu, pGC->clientClipType)) {
+ pGC->alu, pGC->clientClipType) &&
+ RegionInitBoxes (&reg, pbox, nbox)) {
PixmapPtr pPixmap = exaGetDrawablePixmap(pDst);
exaGetDrawableDeltas(pSrc, pPixmap, &xoff, &yoff);
- RegionInit(&reg, pbox, nbox);
RegionTranslate(&reg, xoff, yoff);
pExaScr->prepare_access_reg(pPixmap, EXA_PREPARE_DEST, &reg);
RegionUninit(&reg);