1 /* 2 * Copyright (c) 2021 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 VSYNC_IVSYNC_CONNECTION_H 17 #define VSYNC_IVSYNC_CONNECTION_H 18 19 #include <iremote_broker.h> 20 #include "graphic_common.h" 21 22 namespace OHOS { 23 namespace Rosen { 24 class IVSyncConnection : public IRemoteBroker { 25 public: 26 virtual VsyncError RequestNextVSync() = 0; 27 virtual VsyncError RequestNextVSync( 28 const std::string& fromWhom, int64_t lastVSyncTS, const int64_t& requestVsyncTime = 0) = 0; 29 30 virtual VsyncError GetReceiveFd(int32_t &fd) = 0; 31 32 // We assume that the vsync frequency is FREQ: 33 // if rate <= 0, we just return error 34 // if rate > 0, we will continue to send Vsync signals at a frequency of FREQ / rate 35 virtual VsyncError SetVSyncRate(int32_t rate) = 0; 36 37 virtual VsyncError Destroy() = 0; 38 virtual VsyncError SetUiDvsyncSwitch(bool dvsyncSwitch) = 0; 39 virtual VsyncError SetUiDvsyncConfig(int32_t bufferCount, bool compositeSceneEnable, 40 bool nativeDelayEnable, const std::vector<std::string>& rsDvsyncAnimationList) = 0; 41 virtual VsyncError SetNativeDVSyncSwitch(bool dvsyncSwitch) = 0; 42 43 DECLARE_INTERFACE_DESCRIPTOR(u"IVSyncConnection"); 44 45 protected: 46 enum { 47 IVSYNC_CONNECTION_REQUEST_NEXT_VSYNC, 48 IVSYNC_CONNECTION_GET_RECEIVE_FD, 49 IVSYNC_CONNECTION_SET_RATE, 50 IVSYNC_CONNECTION_DESTROY, 51 IVSYNC_CONNECTION_SET_UI_DVSYNC_SWITCH, 52 IVSYNC_CONNECTION_SET_UI_DVSYNC_CONFIG, 53 IVSYNC_CONNECTION_SET_NATIVE_DVSYNC_SWITCH, 54 }; 55 }; 56 } // namespace Vsync 57 } // namespace OHOS 58 59 #endif // VSYNC_IVSYNC_CONNECTION_H 60