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| author | radhakrishna <radhakrishna@codeaurora.org> | 2014-02-21 10:01:08 +0530 |
|---|---|---|
| committer | Steve Kondik <steve@cyngn.com> | 2015-12-16 00:16:12 -0500 |
| commit | 5934c292abffd0942ffad65aa352476de9df1245 (patch) | |
| tree | 114c33545fbd70b3218a99e1cda8b0c6a3055787 /services/surfaceflinger | |
| parent | bea57f312dbbeef1d35cb41948605a41b3f30662 (diff) | |
| download | frameworks_native-5934c292abffd0942ffad65aa352476de9df1245.zip frameworks_native-5934c292abffd0942ffad65aa352476de9df1245.tar.gz frameworks_native-5934c292abffd0942ffad65aa352476de9df1245.tar.bz2 | |
SF: Fix invalid reduction of transparent region from a layer.
Reduce transparent region from a layer only if the transparent
region has valid intersection with the layer. Otherwise, reducing
a transparent region lying completely outside of the layer leads to
invalid sourcecrop values for the layer.
Change-Id: Iee9ba53a8072c21c9ba8a6d58cb14ca30f8600ba
CRs-Fixed: 620973
Diffstat (limited to 'services/surfaceflinger')
| -rw-r--r-- | services/surfaceflinger/Layer.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/services/surfaceflinger/Layer.cpp b/services/surfaceflinger/Layer.cpp index 93e6bda..6dd8bad 100644 --- a/services/surfaceflinger/Layer.cpp +++ b/services/surfaceflinger/Layer.cpp @@ -326,7 +326,9 @@ Rect Layer::reduce(const Rect& win, const Region& exclude) const{ if (CC_LIKELY(exclude.isEmpty())) { return win; } - if (exclude.isRect()) { + Rect tmp; + win.intersect(exclude.getBounds(), &tmp); + if (exclude.isRect() && !tmp.isEmpty()) { return win.reduce(exclude.getBounds()); } return Region(win).subtract(exclude).getBounds(); |