2 files changed, 9 insertions, 0 deletions
diff --git a/libs/gui/BLASTBufferQueue.cpp b/libs/gui/BLASTBufferQueue.cpp
index aeb237deb4..7ce72ffa59 100644
--- a/libs/gui/BLASTBufferQueue.cpp
+++ b/libs/gui/BLASTBufferQueue.cpp
@@ -842,6 +842,14 @@ void BLASTBufferQueue::mergePendingTransactions(SurfaceComposerClient::Transacti
                                mPendingTransactions.end());
 }
 
+SurfaceComposerClient::Transaction* BLASTBufferQueue::gatherPendingTransactions(
+        uint64_t frameNumber) {
+    std::lock_guard _lock{mMutex};
+    SurfaceComposerClient::Transaction* t = new SurfaceComposerClient::Transaction();
+    mergePendingTransactions(t, frameNumber);
+    return t;
+}
+
 // Maintains a single worker thread per process that services a list of runnables.
 class AsyncWorker : public Singleton<AsyncWorker> {
 private:
diff --git a/libs/gui/include/gui/BLASTBufferQueue.h b/libs/gui/include/gui/BLASTBufferQueue.h
index f77cfe6a69..1ed592b506 100644
--- a/libs/gui/include/gui/BLASTBufferQueue.h
+++ b/libs/gui/include/gui/BLASTBufferQueue.h
@@ -98,6 +98,7 @@ public:
     void setSyncTransaction(SurfaceComposerClient::Transaction* t, bool acquireSingleBuffer = true);
     void mergeWithNextTransaction(SurfaceComposerClient::Transaction* t, uint64_t frameNumber);
     void applyPendingTransactions(uint64_t frameNumber);
+    SurfaceComposerClient::Transaction* gatherPendingTransactions(uint64_t frameNumber);
 
     void update(const sp<SurfaceControl>& surface, uint32_t width, uint32_t height, int32_t format,
                 SurfaceComposerClient::Transaction* outTransaction = nullptr);