[Mirror Layers] Added clone function to layers (1/4)
Added a cloning function to each layer in preparation for mirroring
Test: Nothing to test yet since no calls
Bug: 131622422
Change-Id: Iba0692b75c4d99841de48f40ed55b3dbccf2b9b9
diff --git a/services/surfaceflinger/BufferLayer.cpp b/services/surfaceflinger/BufferLayer.cpp
index fba235d..d189846 100644
--- a/services/surfaceflinger/BufferLayer.cpp
+++ b/services/surfaceflinger/BufferLayer.cpp
@@ -58,7 +58,7 @@
BufferLayer::BufferLayer(const LayerCreationArgs& args)
: Layer(args),
- mTextureName(args.flinger->getNewTexture()),
+ mTextureName(args.textureName),
mCompositionLayer{mFlinger->getCompositionEngine().createLayer(
compositionengine::LayerCreationArgs{this})} {
ALOGV("Creating Layer %s", args.name.string());
@@ -70,7 +70,13 @@
}
BufferLayer::~BufferLayer() {
- mFlinger->deleteTextureAsync(mTextureName);
+ if (!isClone()) {
+ // The original layer and the clone layer share the same texture. Therefore, only one of
+ // the layers, in this case the original layer, needs to handle the deletion. The original
+ // layer and the clone should be removed at the same time so there shouldn't be any issue
+ // with the clone layer trying to use the deleted texture.
+ mFlinger->deleteTextureAsync(mTextureName);
+ }
const int32_t layerID = getSequence();
mFlinger->mTimeStats->onDestroy(layerID);
mFlinger->mFrameTracer->onDestroy(layerID);
@@ -722,6 +728,15 @@
mBufferInfo.mTransform, filteringEnabled);
}
+void BufferLayer::setInitialValuesForClone(const sp<Layer>& clonedFrom) {
+ Layer::setInitialValuesForClone(clonedFrom);
+
+ sp<BufferLayer> bufferClonedFrom = static_cast<BufferLayer*>(clonedFrom.get());
+ mPremultipliedAlpha = bufferClonedFrom->mPremultipliedAlpha;
+ mPotentialCursor = bufferClonedFrom->mPotentialCursor;
+ mProtectedByApp = bufferClonedFrom->mProtectedByApp;
+}
+
} // namespace android
#if defined(__gl_h_)