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author | Mathias Agopian <mathias@google.com> | 2009-07-28 10:57:27 -0700 |
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committer | Mathias Agopian <mathias@google.com> | 2009-07-28 10:57:27 -0700 |
commit | 12cedff50ca229a5d025e1011f1518c32e858138 (patch) | |
tree | 6ad4275e5195753480c5f04b84208b3a6245e6a6 /libs/surfaceflinger/SurfaceFlinger.cpp | |
parent | ba989ad0ed91beda010d44945fa015d75d99cf67 (diff) | |
download | frameworks_base-12cedff50ca229a5d025e1011f1518c32e858138.zip frameworks_base-12cedff50ca229a5d025e1011f1518c32e858138.tar.gz frameworks_base-12cedff50ca229a5d025e1011f1518c32e858138.tar.bz2 |
fix [2017532] Partial Update leaves residual image.
Diffstat (limited to 'libs/surfaceflinger/SurfaceFlinger.cpp')
-rw-r--r-- | libs/surfaceflinger/SurfaceFlinger.cpp | 21 |
1 files changed, 14 insertions, 7 deletions
diff --git a/libs/surfaceflinger/SurfaceFlinger.cpp b/libs/surfaceflinger/SurfaceFlinger.cpp index fb25663..97dfecc 100644 --- a/libs/surfaceflinger/SurfaceFlinger.cpp +++ b/libs/surfaceflinger/SurfaceFlinger.cpp @@ -691,9 +691,14 @@ void SurfaceFlinger::handleTransaction(uint32_t transactionFlags) // some layers might have been removed, so // we need to update the regions they're exposing. - size_t c = mRemovedLayers.size(); + const SortedVector<LayerBase*>& removedLayers(mRemovedLayers); + size_t c = removedLayers.size(); if (c) { mVisibleRegionsDirty = true; + while (c--) { + mDirtyRegionRemovedLayer.orSelf( + removedLayers[c]->visibleRegionScreen); + } } const LayerVector& currentLayers = mCurrentState.layersSortedByZ; @@ -733,17 +738,15 @@ void SurfaceFlinger::computeVisibleRegions( layer->validateVisibility(planeTransform); // start with the whole surface at its current location - const Layer::State& s = layer->drawingState(); - const Rect bounds(layer->visibleBounds()); + const Layer::State& s(layer->drawingState()); // handle hidden surfaces by setting the visible region to empty Region opaqueRegion; Region visibleRegion; Region coveredRegion; - if (UNLIKELY((s.flags & ISurfaceComposer::eLayerHidden) || !s.alpha)) { - visibleRegion.clear(); - } else { + if (LIKELY(!(s.flags & ISurfaceComposer::eLayerHidden) && s.alpha)) { const bool translucent = layer->needsBlending(); + const Rect bounds(layer->visibleBounds()); visibleRegion.set(bounds); coveredRegion = visibleRegion; @@ -790,12 +793,16 @@ void SurfaceFlinger::computeVisibleRegions( layer->setVisibleRegion(visibleRegion); layer->setCoveredRegion(coveredRegion); - // If a secure layer is partially visible, lockdown the screen! + // If a secure layer is partially visible, lock-down the screen! if (layer->isSecure() && !visibleRegion.isEmpty()) { secureFrameBuffer = true; } } + // invalidate the areas where a layer was removed + dirtyRegion.orSelf(mDirtyRegionRemovedLayer); + mDirtyRegionRemovedLayer.clear(); + mSecureFrameBuffer = secureFrameBuffer; opaqueRegion = aboveOpaqueLayers; } |