From 3d8a31967b6b27581215c94b9d1471996e117e6a Mon Sep 17 00:00:00 2001
From: chaviw <chaviw@google.com>
Date: Fri, 20 Aug 2021 12:00:47 -0500
Subject: Added getLastAcquiredFrameNum

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

Test: blast sync
Bug: 195262673
Bug: 193634619
Change-Id: I492651e8e6d333ef11b682cec939d81057ae197d
Merged-In: I492651e8e6d333ef11b682cec939d81057ae197d
---
 libs/gui/BLASTBufferQueue.cpp | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'libs/gui/BLASTBufferQueue.cpp')

diff --git a/libs/gui/BLASTBufferQueue.cpp b/libs/gui/BLASTBufferQueue.cpp
index 39dd5d9552..ae61ea8b39 100644
--- a/libs/gui/BLASTBufferQueue.cpp
+++ b/libs/gui/BLASTBufferQueue.cpp
@@ -982,4 +982,9 @@ uint32_t BLASTBufferQueue::getLastTransformHint() const {
     }
 }
 
+uint64_t BLASTBufferQueue::getLastAcquiredFrameNum() {
+    std::unique_lock _lock{mMutex};
+    return mLastAcquiredFrameNumber;
+}
+
 } // namespace android
-- 
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