1/* 2// Copyright (c) 2014 Intel Corporation 3// 4// Licensed under the Apache License, Version 2.0 (the "License"); 5// you may not use this file except in compliance with the License. 6// You may obtain a copy of the License at 7// 8// http://www.apache.org/licenses/LICENSE-2.0 9// 10// Unless required by applicable law or agreed to in writing, software 11// distributed under the License is distributed on an "AS IS" BASIS, 12// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13// See the License for the specific language governing permissions and 14// limitations under the License. 15*/ 16#ifndef __VSYNC_EVENT_OBSERVER_H__ 17#define __VSYNC_EVENT_OBSERVER_H__ 18 19#include <common/base/SimpleThread.h> 20#include <IVsyncControl.h> 21 22namespace android { 23namespace intel { 24 25class PhysicalDevice; 26 27class VsyncEventObserver { 28public: 29 VsyncEventObserver(PhysicalDevice& disp); 30 virtual ~VsyncEventObserver(); 31 32public: 33 virtual bool initialize(); 34 virtual void deinitialize(); 35 bool control(bool enabled); 36 37private: 38 mutable Mutex mLock; 39 Condition mCondition; 40 PhysicalDevice& mDisplayDevice; 41 IVsyncControl *mVsyncControl; 42 int mDevice; 43 bool mEnabled; 44 bool mExitThread; 45 bool mInitialized; 46 47private: 48 DECLARE_THREAD(VsyncEventPollThread, VsyncEventObserver); 49}; 50 51} // namespace intel 52} // namespace android 53 54 55 56#endif /* __VSYNC_EVENT_OBSERVER_H__ */ 57