diff options
| author | Mathias Agopian <mathias@google.com> | 2013-10-01 15:36:52 -0700 |
|---|---|---|
| committer | The Android Automerger <android-build@google.com> | 2013-10-02 14:44:42 -0700 |
| commit | d5350dea05571218290c583a9c482749bda9f7cc (patch) | |
| tree | ff5b6c6ab34b79f1d130d47ad58a433846882df0 | |
| parent | 8eb7a481abbbc3cfe713b43158f1913f958357cf (diff) | |
| download | native-d5350dea05571218290c583a9c482749bda9f7cc.tar.gz | |
only clear FB when asked for the opaque layer
a layer need to be considered NOT opaque if it has a
plane-alpha.
Bug: 10846930
Change-Id: Ibd8981b63ede4560c7096bacc4cff46a7eb2a8bb
| -rw-r--r-- | services/surfaceflinger/SurfaceFlinger.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp index b5b0f2c00c..e3745489b9 100644 --- a/services/surfaceflinger/SurfaceFlinger.cpp +++ b/services/surfaceflinger/SurfaceFlinger.cpp @@ -1597,9 +1597,10 @@ void SurfaceFlinger::doComposeSurfaces(const sp<const DisplayDevice>& hw, const if (!clip.isEmpty()) { switch (cur->getCompositionType()) { case HWC_OVERLAY: { + const Layer::State& state(layer->getDrawingState()); if ((cur->getHints() & HWC_HINT_CLEAR_FB) && i - && layer->isOpaque() + && layer->isOpaque() && (state.alpha == 0xFF) && hasGlesComposition) { // never clear the very first layer since we're // guaranteed the FB is already cleared |