mirror of
https://github.com/openharmony/window_window_manager.git
synced 2026-08-25 13:10:03 -04:00
hsc
86 lines
2.9 KiB
C++
86 lines
2.9 KiB
C++
/*
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* Copyright (c) 2021-2024 Huawei Device Co., Ltd.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef OHOS_VSYNC_STATION_H
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#define OHOS_VSYNC_STATION_H
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#include <atomic>
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#include <memory>
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#include <unordered_set>
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#include <event_handler.h>
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#include "wm_common.h"
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namespace OHOS {
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namespace Rosen {
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class RSFrameRateLinker;
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class VSyncReceiver;
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class FrameRateRange;
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using FrameRateLinkerId = uint64_t;
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using NodeId = uint64_t;
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class VsyncStation : public std::enable_shared_from_this<VsyncStation> {
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public:
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explicit VsyncStation(NodeId nodeId,
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const std::shared_ptr<AppExecFwk::EventHandler>& vsyncHandler = nullptr);
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~VsyncStation();
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bool IsVsyncReceiverCreated();
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void RequestVsync(const std::shared_ptr<VsyncCallback>& vsyncCallback);
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int64_t GetVSyncPeriod();
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void RemoveCallback();
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void Destroy();
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FrameRateLinkerId GetFrameRateLinkerId();
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void FlushFrameRate(uint32_t rate, int32_t animatorExpectedFrameRate, uint32_t rateType = 0);
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void SetFrameRateLinkerEnable(bool enabled);
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void SetDisplaySoloistFrameRateLinkerEnable(bool enabled);
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void SetUiDvsyncSwitch(bool dvsyncSwitch);
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void DecreaseRequestVsyncTimes() { requestVsyncTimes_--; }
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int32_t GetRequestVsyncTimes() { return requestVsyncTimes_.load(); }
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private:
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std::shared_ptr<VSyncReceiver> GetOrCreateVsyncReceiver();
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std::shared_ptr<VSyncReceiver> GetOrCreateVsyncReceiverLocked();
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std::shared_ptr<RSFrameRateLinker> GetFrameRateLinker();
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std::shared_ptr<RSFrameRateLinker> GetFrameRateLinkerLocked();
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void VsyncCallbackInner(int64_t nanoTimestamp, int64_t frameCount);
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void OnVsyncTimeOut();
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NodeId nodeId_ = 0;
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std::shared_ptr<AppExecFwk::EventHandler> vsyncHandler_ = nullptr;
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std::string vsyncTimeoutTaskName_;
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std::mutex mutex_;
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bool isFirstVsyncRequest_ = true;
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bool isFirstVsyncBack_ = true;
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bool destroyed_ = false;
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bool hasRequestedVsync_ = false;
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std::shared_ptr<VSyncReceiver> receiver_ = nullptr;
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std::shared_ptr<RSFrameRateLinker> frameRateLinker_ = nullptr;
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using Callbacks = std::unordered_set<std::shared_ptr<VsyncCallback>>;
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Callbacks vsyncCallbacks_;
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std::shared_ptr<FrameRateRange> lastFrameRateRange_ = nullptr;
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int32_t lastAnimatorExpectedFrameRate_ = 0;
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// Above guarded by mutex_
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std::atomic<int32_t> requestVsyncTimes_ {0};
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};
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} // namespace Rosen
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} // namespace OHOS
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#endif // OHOS_VSYNC_STATION_H
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