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sna: Also check whether the first upload box can use the BLT 

No point checking boxes 1..n if box 0 is the troublemaker!

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2012-07-20 14:46:32 +01:00
parent df14b285be
commit 8b4cf24f14
1 changed files with 4 additions and 2 deletions
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6
src/sna/sna_io.c
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@ -170,7 +170,8 @@ fallback:
return;
}
can_blt = kgem_bo_can_blt(kgem, src_bo);
can_blt = kgem_bo_can_blt(kgem, src_bo) &&
(box[0].x2 - box[0].x1) * dst->drawable.bitsPerPixel < 8 * (MAXSHORT - 4);
extents = box[0];
for (n = 1; n < nbox; n++) {
if (box[n].x1 < extents.x1)
@ -575,7 +576,8 @@ fallback:
box, nbox);
}
can_blt = kgem_bo_can_blt(kgem, dst_bo);
can_blt = kgem_bo_can_blt(kgem, dst_bo) &&
(box[0].x2 - box[0].x1) * dst->drawable.bitsPerPixel < 8 * (MAXSHORT - 4);
extents = box[0];
for (n = 1; n < nbox; n++) {
if (box[n].x1 < extents.x1)