d1700756ec
This change adds a new thread for calling HWComposer's eventControl asynchronously. The DispSync-based vsync approach ends up enabling and disabling HWComposer's vsync callbacks at arbitrary times, and some HWComposer implementations do not have these calls optimized. Bug: 11175503 Change-Id: I719be82bd200b391c61d40863b991c7b59acdfd6
49 lines
1.1 KiB
C++
49 lines
1.1 KiB
C++
/*
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* Copyright (C) 2013 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ANDROID_EVENTCONTROLTHREAD_H
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#define ANDROID_EVENTCONTROLTHREAD_H
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#include <stddef.h>
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#include <utils/Mutex.h>
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#include <utils/Thread.h>
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namespace android {
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class SurfaceFlinger;
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class EventControlThread: public Thread {
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public:
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EventControlThread(const sp<SurfaceFlinger>& flinger);
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virtual ~EventControlThread() {}
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void setVsyncEnabled(bool enabled);
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virtual bool threadLoop();
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private:
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sp<SurfaceFlinger> mFlinger;
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bool mVsyncEnabled;
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Mutex mMutex;
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Condition mCond;
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};
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}
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#endif // ANDROID_DISPSYNC_H
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