| /* |
| * Copyright 2018 The Android Open Source Project |
| * |
| * 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. |
| */ |
| #pragma once |
| |
| #include <mutex> |
| #include <string> |
| |
| #include "EventThread.h" |
| #include "TracedOrdinal.h" |
| #include "VSyncDispatch.h" |
| |
| namespace android::scheduler { |
| class CallbackRepeater; |
| |
| class DispSyncSource final : public VSyncSource { |
| public: |
| DispSyncSource(VSyncDispatch& vSyncDispatch, std::chrono::nanoseconds workDuration, |
| std::chrono::nanoseconds readyDuration, bool traceVsync, const char* name); |
| |
| ~DispSyncSource() override; |
| |
| // The following methods are implementation of VSyncSource. |
| const char* getName() const override { return mName; } |
| void setVSyncEnabled(bool enable) override; |
| void setCallback(VSyncSource::Callback* callback) override; |
| void setDuration(std::chrono::nanoseconds workDuration, |
| std::chrono::nanoseconds readyDuration) override; |
| |
| void dump(std::string&) const override; |
| |
| private: |
| void onVsyncCallback(nsecs_t vsyncTime, nsecs_t targetWakeupTime, nsecs_t readyTime); |
| |
| const char* const mName; |
| TracedOrdinal<int> mValue; |
| |
| const bool mTraceVsync; |
| const std::string mVsyncOnLabel; |
| |
| std::unique_ptr<CallbackRepeater> mCallbackRepeater; |
| |
| std::mutex mCallbackMutex; |
| VSyncSource::Callback* mCallback GUARDED_BY(mCallbackMutex) = nullptr; |
| |
| mutable std::mutex mVsyncMutex; |
| TracedOrdinal<std::chrono::nanoseconds> mWorkDuration GUARDED_BY(mVsyncMutex); |
| std::chrono::nanoseconds mReadyDuration GUARDED_BY(mVsyncMutex); |
| bool mEnabled GUARDED_BY(mVsyncMutex) = false; |
| }; |
| |
| } // namespace android::scheduler |