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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2013-09-30 13:27:19 +0100 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2013-09-30 13:27:19 +0100 |
| commit | 1d6a9d4a422b351440df3496d3d6cdefa82ce6c3 (patch) | |
| tree | b102549ca2f21916e9ce6672d630f2808c3b8982 /src/sna/sna_composite.c | |
| parent | b9bce2303e3e51d2a703154869bb36564aad7921 (diff) | |
sna: Only reduce Over to Src if the rects do not overlap
Similar to the previous commit, we have to allow overlapping OVER
rectangles to be drawn one after another.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'src/sna/sna_composite.c')
| -rw-r--r-- | src/sna/sna_composite.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/sna/sna_composite.c b/src/sna/sna_composite.c index 668c244e..c6d6d2d3 100644 --- a/src/sna/sna_composite.c +++ b/src/sna/sna_composite.c @@ -838,7 +838,10 @@ sna_composite_rectangles(CARD8 op, } } - if (op == PictOpOver && sna_drawable_is_clear(dst->pDrawable)) + /* Avoid reducing overlapping translucent rectangles */ + if (op == PictOpOver && + num_rects == 1 && + sna_drawable_is_clear(dst->pDrawable)) op = PictOpSrc; DBG(("%s: converted to op %d\n", __FUNCTION__, op)); |