From: Michel Dänzer <[email protected]>
Signed-off-by: Michel Dänzer <[email protected]>
---
exa/exa_unaccel.c | 14 ++++++++++++--
1 files changed, 12 insertions(+), 2 deletions(-)
diff --git a/exa/exa_unaccel.c b/exa/exa_unaccel.c
index 0dbcd53..f077fc8 100644
--- a/exa/exa_unaccel.c
+++ b/exa/exa_unaccel.c
@@ -313,8 +313,18 @@ ExaCheckCopyWindow(WindowPtr pWin, DDXPointRec ptOldOrg,
RegionPtr prgnSrc)
EXA_PRE_FALLBACK(pScreen);
EXA_FALLBACK(("from %p\n", pWin));
- /* being both src and dest, src is safest. */
- exaPrepareAccess(pDrawable, EXA_PREPARE_SRC);
+ /* Only need the source bits, the destination region will be overwritten */
+ if (pExaScr->prepare_access_reg) {
+ PixmapPtr pPixmap = pScreen->GetWindowPixmap(pWin);
+ int xoff, yoff;
+
+ exaGetDrawableDeltas(&pWin->drawable, pPixmap, &xoff, &yoff);
+ REGION_TRANSLATE(pScreen, prgnSrc, xoff, yoff);
+ pExaScr->prepare_access_reg(pPixmap, EXA_PREPARE_SRC, prgnSrc);
+ REGION_TRANSLATE(pScreen, prgnSrc, -xoff, -yoff);
+ } else
+ exaPrepareAccess(pDrawable, EXA_PREPARE_SRC);
+
swap(pExaScr, pScreen, CopyWindow);
pScreen->CopyWindow (pWin, ptOldOrg, prgnSrc);
swap(pExaScr, pScreen, CopyWindow);
--
1.6.5.7
_______________________________________________
xorg-devel mailing list
[email protected]
http://lists.x.org/mailman/listinfo/xorg-devel
