Fix buffer damage for quad-buffer

Test: none Change-Id: I4789d84945e381d67e96ef37554a161dbd0ab16c
2019-10-21 10:14:58 -07:00
parent 3441faa045
commit ca718a06d5
1 changed files with 2 additions and 1 deletions
--- a/libs/hwui/renderthread/CanvasContext.h
+++ b/libs/hwui/renderthread/CanvasContext.h
@@ -242,7 +242,8 @@ private:
        nsecs_t queueDuration;
    };

-    RingBuffer<SwapHistory, 3> mSwapHistory;
+    // Need at least 4 because we do quad buffer. Add a 5th for good measure.
+    RingBuffer<SwapHistory, 5> mSwapHistory;
    int64_t mFrameNumber = -1;

    // last vsync for a dropped frame due to stuffed queue