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authorchaviw <chaviw@google.com>2021-11-17 17:36:50 -0600
committerChavi Weingarten <chaviw@google.com>2021-11-23 15:04:59 +0000
commit9d12adc77270be3215e3cd2b89b1b787493a11f6 (patch)
tree35b3055b999749ebe017b75351d8bbd17a4ee0e8
parent4b26b7fb4604ded2ec4e2bb3e4f40a76c48c6fcf (diff)
downloadnative-9d12adc77270be3215e3cd2b89b1b787493a11f6.tar.gz
Only add commit callback when using sync transaction
There's no need to add a commit callback when we're not syncing since the callback won't actually do anything. Instead only add a commit callback when a sync transaction has been requested. Test: BLASTBufferQueueTest Bug: 205278630 Change-Id: Ib7345f2581b6e4ce8923531aebcd457c14d86027 Merged-In: Ib7345f2581b6e4ce8923531aebcd457c14d86027
-rw-r--r--libs/gui/BLASTBufferQueue.cpp10
1 files changed, 8 insertions, 2 deletions
diff --git a/libs/gui/BLASTBufferQueue.cpp b/libs/gui/BLASTBufferQueue.cpp
index 39dd5d9552..085a11a88e 100644
--- a/libs/gui/BLASTBufferQueue.cpp
+++ b/libs/gui/BLASTBufferQueue.cpp
@@ -529,7 +529,6 @@ void BLASTBufferQueue::acquireNextBufferLocked(
// Ensure BLASTBufferQueue stays alive until we receive the transaction complete callback.
incStrong((void*)transactionCallbackThunk);
- incStrong((void*)transactionCommittedCallbackThunk);
const bool sizeHasChanged = mRequestedSize != mSize;
mSize = mRequestedSize;
@@ -550,7 +549,7 @@ void BLASTBufferQueue::acquireNextBufferLocked(
t->setAcquireFence(mSurfaceControl,
bufferItem.mFence ? new Fence(bufferItem.mFence->dup()) : Fence::NO_FENCE);
t->addTransactionCompletedCallback(transactionCallbackThunk, static_cast<void*>(this));
- t->addTransactionCommittedCallback(transactionCommittedCallbackThunk, static_cast<void*>(this));
+
mSurfaceControlsWithPendingCallback.push(mSurfaceControl);
if (updateDestinationFrame) {
@@ -673,6 +672,13 @@ void BLASTBufferQueue::onFrameAvailable(const BufferItem& item) {
if (nextTransactionSet) {
acquireNextBufferLocked(std::move(mNextTransaction));
+
+ // Only need a commit callback when syncing to ensure the buffer that's synced has been sent
+ // to SF
+ incStrong((void*)transactionCommittedCallbackThunk);
+ mNextTransaction->addTransactionCommittedCallback(transactionCommittedCallbackThunk,
+ static_cast<void*>(this));
+
mNextTransaction = nullptr;
mWaitForTransactionCallback = true;
} else if (!mWaitForTransactionCallback) {