surfaceflinger: cache HWC client targets and buffers
Remember HWC client targets and buffers, and make sure we send each
unique slot/handle pair only once. This allows the composer to
clone/register/retain each buffer only once.
Test: builds and boots
Change-Id: Ib485189043a9c132031e82d4d7380ace3bf9453d
diff --git a/services/surfaceflinger/SurfaceFlingerConsumer.cpp b/services/surfaceflinger/SurfaceFlingerConsumer.cpp
index 029937a..942af13 100644
--- a/services/surfaceflinger/SurfaceFlingerConsumer.cpp
+++ b/services/surfaceflinger/SurfaceFlingerConsumer.cpp
@@ -235,6 +235,19 @@
mContentsChangedListener = listener;
}
+void SurfaceFlingerConsumer::onBuffersReleased() {
+ sp<ContentsChangedListener> listener;
+ { // scope for the lock
+ Mutex::Autolock lock(mMutex);
+ ALOG_ASSERT(mFrameAvailableListener.unsafe_get() == mContentsChangedListener.unsafe_get());
+ listener = mContentsChangedListener.promote();
+ }
+
+ if (listener != NULL) {
+ listener->onBuffersReleased();
+ }
+}
+
void SurfaceFlingerConsumer::onSidebandStreamChanged() {
sp<ContentsChangedListener> listener;
{ // scope for the lock