SurfaceFlinger: use intended wake up time when calculating next present time
If SurfaceFlinger wakes up too late (due to the main thread being busy)
it may calculate a wrong presentation time as it is based on the wake up time.
Instead, cache the intended wake up time and use it as the base time.
Change-Id: I84c37bd5f164fbdef3151c0898d3cea624cea515
Bug: 154199567
Test: collect systrace for launcher scrolling
diff --git a/services/surfaceflinger/Scheduler/MessageQueue.h b/services/surfaceflinger/Scheduler/MessageQueue.h
index fcfc4aa..dbd5e96 100644
--- a/services/surfaceflinger/Scheduler/MessageQueue.h
+++ b/services/surfaceflinger/Scheduler/MessageQueue.h
@@ -101,12 +101,13 @@
enum { eventMaskInvalidate = 0x1, eventMaskRefresh = 0x2, eventMaskTransaction = 0x4 };
MessageQueue& mQueue;
int32_t mEventMask;
+ std::atomic<nsecs_t> mLastVsyncTime;
public:
explicit Handler(MessageQueue& queue) : mQueue(queue), mEventMask(0) {}
virtual void handleMessage(const Message& message);
void dispatchRefresh();
- void dispatchInvalidate();
+ void dispatchInvalidate(nsecs_t timestamp);
};
friend class Handler;