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exa: direct access to the pixmap sys ptr is bad if the pixmap isn't mapped

This commit is contained in:
Dave Airlie 2007-10-03 12:00:16 +10:00
parent 566dd3b7d7
commit 1365aeff54
1 changed files with 5 additions and 3 deletions
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8
exa/exa_accel.c
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@ -1138,17 +1138,19 @@ exaFillRegionSolid (DrawablePtr pDrawable,
pDrawable->bitsPerPixel != 24) {
ExaPixmapPriv(pPixmap);
exaPrepareAccess(pDrawable, EXA_PREPARE_DEST);
switch (pDrawable->bitsPerPixel) {
case 32:
*(CARD32*)pExaPixmap->sys_ptr = pixel;
*(CARD32*)pPixmap->devPrivate.ptr = pixel;
break;
case 16:
*(CARD16*)pExaPixmap->sys_ptr = pixel;
*(CARD16*)pPixmap->devPrivate.ptr = pixel;
break;
case 8:
*(CARD8*)pExaPixmap->sys_ptr = pixel;
*(CARD8*)pPixmap->devPrivate.ptr = pixel;
}
exaFinishAccess(pDrawable, EXA_PREPARE_DEST);
REGION_UNION(pScreen, &pExaPixmap->validSys, &pExaPixmap->validSys,
pRegion);
}