| /* |
| // 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 VSYNC_MANAGER_H |
| #define VSYNC_MANAGER_H |
| |
| #include <IDisplayDevice.h> |
| #include <utils/threads.h> |
| |
| namespace android { |
| namespace intel { |
| |
| |
| class Hwcomposer; |
| |
| class VsyncManager { |
| public: |
| VsyncManager(Hwcomposer& hwc); |
| virtual ~VsyncManager(); |
| |
| public: |
| bool initialize(); |
| void deinitialize(); |
| bool handleVsyncControl(int disp, bool enabled); |
| void resetVsyncSource(); |
| int getVsyncSource(); |
| void enableDynamicVsync(bool enable); |
| |
| private: |
| inline int getCandidate(); |
| inline bool enableVsync(int candidate); |
| inline void disableVsync(); |
| IDisplayDevice* getDisplayDevice(int dispType); |
| |
| private: |
| Hwcomposer &mHwc; |
| bool mInitialized; |
| bool mEnableDynamicVsync; |
| bool mEnabled; |
| int mVsyncSource; |
| Mutex mLock; |
| |
| private: |
| // toggle this constant to use primary vsync only or enable dynamic vsync. |
| static const bool scUsePrimaryVsyncOnly = false; |
| }; |
| |
| } // namespace intel |
| } // namespace android |
| |
| |
| |
| #endif /* VSYNC_MANAGER_H */ |