diff options
| author | Chris Wilson <chris@chris-wilson.co.uk> | 2012-02-29 14:38:13 +0000 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2012-02-29 14:40:06 +0000 |
| commit | cdbf4c60fe373c896ac71e2f681e42744bcbd7e3 (patch) | |
| tree | f2b5dbd2a51e3a36b2f568782ec7704e0087a3d8 /src | |
| parent | 300e32a4a9d79c26077f33e9b67bad2106071849 (diff) | |
| download | cairo-cdbf4c60fe373c896ac71e2f681e42744bcbd7e3.tar.gz | |
spans,traps-compositor: Check for all-clipped after intersecting clip with boxes
If the mask does not intersect the clip, then there is no drawing to be
performed and we can report NOTHING_TO_DO.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'src')
| -rw-r--r-- | src/cairo-spans-compositor.c | 3 | ||||
| -rw-r--r-- | src/cairo-traps-compositor.c | 3 |
2 files changed, 6 insertions, 0 deletions
diff --git a/src/cairo-spans-compositor.c b/src/cairo-spans-compositor.c index 8cc47c285..3b5604e6a 100644 --- a/src/cairo-spans-compositor.c +++ b/src/cairo-spans-compositor.c @@ -717,6 +717,9 @@ clip_and_composite_boxes (const cairo_spans_compositor_t *compositor, clip = _cairo_clip_copy (extents->clip); clip = _cairo_clip_intersect_boxes (clip, boxes); + if (_cairo_clip_is_all_clipped (clip)) + return CAIRO_INT_STATUS_NOTHING_TO_DO; + status = _cairo_clip_get_polygon (clip, &polygon, &fill_rule, &antialias); _cairo_clip_path_destroy (clip->path); diff --git a/src/cairo-traps-compositor.c b/src/cairo-traps-compositor.c index a822f8e05..d93b0576f 100644 --- a/src/cairo-traps-compositor.c +++ b/src/cairo-traps-compositor.c @@ -1635,6 +1635,9 @@ clip_and_composite_boxes (const cairo_traps_compositor_t *compositor, clip = _cairo_clip_copy (extents->clip); clip = _cairo_clip_intersect_boxes (clip, boxes); + if (_cairo_clip_is_all_clipped (clip)) + return CAIRO_INT_STATUS_NOTHING_TO_DO; + status = _cairo_clip_get_polygon (clip, &polygon, &fill_rule, &antialias); _cairo_clip_path_destroy (clip->path); |