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Merge "DispSync: remove delay when enabling vsync events" into klp-dev

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Jamie Gennis 2013-11-04 22:47:31 +00:00 committed by Android (Google) Code Review
commit ee874caa81
1 changed files with 8 additions and 1 deletions
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9
services/surfaceflinger/DispSync.cpp
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@ -164,7 +164,14 @@ public:
EventListener listener;
listener.mPhase = phase;
listener.mCallback = callback;
listener.mLastEventTime = systemTime(SYSTEM_TIME_MONOTONIC);
// We want to allow the firstmost future event to fire without
// allowing any past events to fire. Because
// computeListenerNextEventTimeLocked filters out events within a half
// a period of the last event time, we need to initialize the last
// event time to a half a period in the past.
listener.mLastEventTime = systemTime(SYSTEM_TIME_MONOTONIC) - mPeriod / 2;
mEventListeners.push(listener);
mCond.signal();