Android/frameworks_base
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Fix null deref crash

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Bug: 30560152
Change-Id: Ic4bae380e27de5bea80cec484e83d205e078ec43
This commit is contained in:
John Reck
2016-08-01 14:41:08 -07:00
parent fbd93027e4
commit 882d515cd5
1 changed files with 10 additions and 5 deletions
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15
libs/hwui/renderthread/CanvasContext.cpp
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@@ -562,11 +562,16 @@ void CanvasContext::draw() {
swap.damage = screenDirty;
swap.swapCompletedTime = systemTime(CLOCK_MONOTONIC);
swap.vsyncTime = mRenderThread.timeLord().latestVsync();
int durationUs;
mNativeSurface->query(NATIVE_WINDOW_LAST_DEQUEUE_DURATION, &durationUs);
swap.dequeueDuration = us2ns(durationUs);
mNativeSurface->query(NATIVE_WINDOW_LAST_QUEUE_DURATION, &durationUs);
swap.queueDuration = us2ns(durationUs);
if (mNativeSurface.get()) {
int durationUs;
mNativeSurface->query(NATIVE_WINDOW_LAST_DEQUEUE_DURATION, &durationUs);
swap.dequeueDuration = us2ns(durationUs);
mNativeSurface->query(NATIVE_WINDOW_LAST_QUEUE_DURATION, &durationUs);
swap.queueDuration = us2ns(durationUs);
} else {
swap.dequeueDuration = 0;
swap.queueDuration = 0;
}
mCurrentFrameInfo->set(FrameInfoIndex::DequeueBufferDuration)
= swap.dequeueDuration;
mCurrentFrameInfo->set(FrameInfoIndex::QueueBufferDuration)