From cc2eee89c81a9b348b7283000678562f43c061c7 Mon Sep 17 00:00:00 2001
From: John Reck <jreck@google.com>
Date: Thu, 17 May 2018 10:44:00 -0700
Subject: Attempting to fix the black flicker

Bug: 79231206
Test: Repro steps from bug

Change-Id: I4c2810c42a7a4358f64584da3ab0cdf1499e71b6
---
 libs/hwui/renderthread/DrawFrameTask.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'libs/hwui/renderthread/DrawFrameTask.cpp')

diff --git a/libs/hwui/renderthread/DrawFrameTask.cpp b/libs/hwui/renderthread/DrawFrameTask.cpp
index 60df514ecc2b..51eeab7e46ce 100644
--- a/libs/hwui/renderthread/DrawFrameTask.cpp
+++ b/libs/hwui/renderthread/DrawFrameTask.cpp
@@ -90,6 +90,11 @@ void DrawFrameTask::run() {
         TreeInfo info(TreeInfo::MODE_FULL, *mContext);
         canUnblockUiThread = syncFrameState(info);
         canDrawThisFrame = info.out.canDrawThisFrame;
+
+        if (mFrameCompleteCallback) {
+            mContext->addFrameCompleteListener(std::move(mFrameCompleteCallback));
+            mFrameCompleteCallback = nullptr;
+        }
     }
 
     // Grab a copy of everything we need
@@ -152,6 +157,9 @@ bool DrawFrameTask::syncFrameState(TreeInfo& info) {
             mSyncResult |= SyncResult::UIRedrawRequired;
         }
     }
+    if (!info.out.canDrawThisFrame) {
+        mSyncResult |= SyncResult::FrameDropped;
+    }
     // If prepareTextures is false, we ran out of texture cache space
     return info.prepareTextures;
 }
-- 
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