1 /* 2 * Copyright (c) 2023 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 RS_REALTIME_REFRESH_RATE_MANAGER_H 17 #define RS_REALTIME_REFRESH_RATE_MANAGER_H 18 19 #include <atomic> 20 21 namespace OHOS::Rosen { 22 class RSRealtimeRefreshRateManager { 23 public: 24 static RSRealtimeRefreshRateManager& Instance(); 25 GetShowRefreshRateEnabled()26 bool GetShowRefreshRateEnabled() const 27 { 28 return enableState_; 29 } 30 void SetShowRefreshRateEnabled(bool enable); GetRealtimeRefreshRate()31 uint32_t GetRealtimeRefreshRate() const 32 { 33 return currRealtimeRefreshRate_; 34 } 35 private: 36 friend class RSHardwareThread; 37 RSRealtimeRefreshRateManager() = default; 38 ~RSRealtimeRefreshRateManager() = default; 39 CountRealtimeFrame()40 inline void CountRealtimeFrame() 41 { 42 if (enableState_) { 43 realtimeFrameCount_++; 44 } 45 } 46 47 std::atomic<bool> enableState_ = false; 48 uint32_t currRealtimeRefreshRate_ = 1; 49 std::atomic<uint32_t> realtimeFrameCount_ = 0; 50 }; 51 } // namespace OHOS::Rosen 52 #endif // RS_REALTIME_REFRESH_RATE_MANAGER_H 53