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clip: Short-cut the common condition of intersecting with a single box

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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2011-07-24 17:36:51 +01:00
parent 52e3814824
commit 15d5014efd
1 changed files with 4 additions and 1 deletions
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5
src/cairo-clip-boxes.c
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@ -277,6 +277,9 @@ _cairo_clip_intersect_boxes (cairo_clip_t *clip,
if (boxes->num_boxes == 0)
return _cairo_clip_set_all_clipped (clip);
if (boxes->num_boxes == 1)
return _cairo_clip_intersect_box (clip, boxes->chunks.base);
if (clip == NULL)
clip = _cairo_clip_create ();
@ -291,7 +294,7 @@ _cairo_clip_intersect_boxes (cairo_clip_t *clip,
boxes = &clip_boxes;
}
if(boxes->num_boxes == 1) {
if (boxes->num_boxes == 1) {
clip->boxes = &clip->embedded_box;
clip->boxes[0] = boxes->chunks.base[0];
clip->num_boxes = 1;