andreacavalli/xserver-multidpi
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Use the scratch area for Composite when one of src or dst is in memory.

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This commit is contained in:
Eric Anholt 2004-01-09 08:40:32 +00:00
parent 6d8001f468
commit 5d51dfc69c
1 changed files with 18 additions and 1 deletions
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19
hw/kdrive/src/kaapict.c
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@ -408,6 +408,7 @@ kaaTryDriverComposite(CARD8 op,
int nbox;
int src_off_x, src_off_y, mask_off_x, mask_off_y, dst_off_x, dst_off_y;
PixmapPtr pSrcPix, pMaskPix = NULL, pDstPix;
struct _Pixmap scratch;
xDst += pDst->pDrawable->x;
yDst += pDst->pDrawable->y;
@ -438,7 +439,23 @@ kaaTryDriverComposite(CARD8 op,
pMaskPix = kaaGetOffscreenPixmap (pMask->pDrawable, &mask_off_x,
&mask_off_y);
pDstPix = kaaGetOffscreenPixmap (pDst->pDrawable, &dst_off_x, &dst_off_y);
if (!pSrcPix || (pMask && !pMaskPix) || !pDstPix) {
if (!pDstPix) {
REGION_UNINIT(pDst->pDrawable->pScreen, &region);
return 0;
}
if (!pSrcPix && (!pMask || pMaskPix) && pKaaScr->info->UploadToScratch) {
if ((*pKaaScr->info->UploadToScratch) ((PixmapPtr) pSrc->pDrawable,
&scratch))
pSrcPix = &scratch;
} else if (pSrcPix && pMask && !pMaskPix && pKaaScr->info->UploadToScratch) {
if ((*pKaaScr->info->UploadToScratch) ((PixmapPtr) pMask->pDrawable,
&scratch))
pMaskPix = &scratch;
}
if (!pSrcPix || (pMask && !pMaskPix)) {
REGION_UNINIT(pDst->pDrawable->pScreen, &region);
return 0;
}