/* // Copyright (c) 2014 Intel Corporation // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. */ #ifndef SOFT_VSYNC_OBSERVER_H #define SOFT_VSYNC_OBSERVER_H #include <SimpleThread.h> namespace android { namespace intel { class IDisplayDevice; class SoftVsyncObserver { public: SoftVsyncObserver(IDisplayDevice& disp); virtual ~SoftVsyncObserver(); public: virtual bool initialize(); virtual void deinitialize(); virtual void setRefreshRate(int rate); virtual bool control(bool enabled); private: IDisplayDevice& mDisplayDevice; int mDevice; bool mEnabled; int mRefreshRate; nsecs_t mRefreshPeriod; mutable Mutex mLock; Condition mCondition; mutable nsecs_t mNextFakeVSync; bool mExitThread; bool mInitialized; private: DECLARE_THREAD(VsyncEventPollThread, SoftVsyncObserver); }; } // namespace intel } // namespace android #endif /* SOFT_VSYNC_OBSERVER_H */