1 /* 2 * Copyright (C) 2021–2022 Beijing OSWare Technology Co., Ltd 3 * This file contains confidential and proprietary information of 4 * OSWare Technology Co., Ltd 5 * 6 * Licensed under the Apache License, Version 2.0 (the "License"); 7 * you may not use this file except in compliance with the License. 8 * You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, software 13 * distributed under the License is distributed on an "AS IS" BASIS, 14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15 * See the License for the specific language governing permissions and 16 * limitations under the License. 17 */ 18 19 #ifndef SORFT_VSYNC_H 20 #define SORFT_VSYNC_H 21 22 #include <thread> 23 #include <memory> 24 #include <mutex> 25 #include "hdi_display.h" 26 namespace OHOS { 27 namespace HDI { 28 namespace DISPLAY { 29 class SorftVsync { 30 public: 31 SorftVsync(); 32 virtual ~SorftVsync(); 33 static SorftVsync &GetInstance(); 34 35 int32_t Init(); 36 void EnableVsync(bool enable); 37 void WorkThread(); 38 void ReqesterVBlankCb(std::shared_ptr<VsyncCallBack> &cb); 39 bool CheckRuning(); 40 41 private: 42 std::unique_ptr<std::thread> thread_; 43 bool enable_ = false; 44 std::mutex mutext_; 45 std::condition_variable condition_; 46 std::shared_ptr<VsyncCallBack> callback_; 47 bool running_ = false; 48 }; 49 } // namespace OHOS 50 } // namespace HDI 51 } // namespace DISPLAY 52 53 #endif // SORFT_VSYNC_H