commit 0b020f857920d49b8fc421dceea40182865ef336
author chaviw <chaviw@google.com> Fri Aug 20 12:00:47 2021 -0500
committer chaviw <chaviw@google.com> Thu Sep 02 16:41:34 2021 -0500
tree dd9d054304eb7d370fd038e13c7bd613a418cf53
parent e0c7426d8e52171f9652817388d7ec0dfebc43b5

Added getLastAcquiredFrameNum

This will allow VRI to ask BBQ what buffer was actually acquired on the
last draw.

Test: blast sync
Bug: 195262673
Change-Id: I492651e8e6d333ef11b682cec939d81057ae197d

libs/gui/BLASTBufferQueue.cpp

diff --git a/libs/gui/BLASTBufferQueue.cpp b/libs/gui/BLASTBufferQueue.cpp
index e5a2151..33335aa 100644
--- a/libs/gui/BLASTBufferQueue.cpp
+++ b/libs/gui/BLASTBufferQueue.cpp
@@ -837,4 +837,9 @@
     }
 }
 
+uint64_t BLASTBufferQueue::getLastAcquiredFrameNum() {
+    std::unique_lock _lock{mMutex};
+    return mLastAcquiredFrameNumber;
+}
+
 } // namespace android

libs/gui/include/gui/BLASTBufferQueue.h

diff --git a/libs/gui/include/gui/BLASTBufferQueue.h b/libs/gui/include/gui/BLASTBufferQueue.h
index 6c5b2aa..be46180 100644
--- a/libs/gui/include/gui/BLASTBufferQueue.h
+++ b/libs/gui/include/gui/BLASTBufferQueue.h
@@ -107,6 +107,7 @@
     void setSidebandStream(const sp<NativeHandle>& stream);
 
     uint32_t getLastTransformHint() const;
+    uint64_t getLastAcquiredFrameNum();
 
     virtual ~BLASTBufferQueue();