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/*
// 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 <common/base/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 */
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