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