andreacavalli/xserver-multidpi
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EXA: avoid copy operations if no boxes in use

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Simple fix for now, I'm sure damage shouldn't be calling us with nbox = 0.
(cherry picked from commit 8f8a9c19ad)
This commit is contained in:
Dave Airlie 2008-11-17 10:24:39 +10:00 committed by Adam Jackson
parent cd15136dc1
commit 336df75f12
1 changed files with 4 additions and 0 deletions
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4
exa/exa_accel.c
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@ -398,6 +398,10 @@ exaCopyNtoN (DrawablePtr pSrcDrawable,
RegionPtr srcregion = NULL, dstregion = NULL;
xRectangle *rects;
/* avoid doing copy operations if no boxes */
if (nbox == 0)
return;
pSrcPixmap = exaGetDrawablePixmap (pSrcDrawable);
pDstPixmap = exaGetDrawablePixmap (pDstDrawable);