You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
|
|
/* |
|
|
// 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 */ |
|
|
|
|
|
|
