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80 lines
2.6 KiB
80 lines
2.6 KiB
/*
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* Copyright 2019 The Android Open Source Project
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*
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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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#pragma once
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#include <android-base/thread_annotations.h>
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#include <ui/FenceTime.h>
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#include <memory>
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#include <mutex>
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#include <unordered_map>
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#include <vector>
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#include "TimeKeeper.h"
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#include "VsyncController.h"
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namespace android::scheduler {
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class Clock;
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class VSyncDispatch;
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class VSyncTracker;
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// TODO (b/145217110): consider renaming.
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class VSyncReactor : public VsyncController {
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public:
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VSyncReactor(std::unique_ptr<Clock> clock, VSyncTracker& tracker, size_t pendingFenceLimit,
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bool supportKernelIdleTimer);
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~VSyncReactor();
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bool addPresentFence(const std::shared_ptr<android::FenceTime>& fence) final;
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void setIgnorePresentFences(bool ignore) final;
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void startPeriodTransition(nsecs_t period) final;
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bool addHwVsyncTimestamp(nsecs_t timestamp, std::optional<nsecs_t> hwcVsyncPeriod,
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bool* periodFlushed) final;
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void dump(std::string& result) const final;
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private:
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void setIgnorePresentFencesInternal(bool ignore) REQUIRES(mMutex);
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void updateIgnorePresentFencesInternal() REQUIRES(mMutex);
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void startPeriodTransitionInternal(nsecs_t newPeriod) REQUIRES(mMutex);
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void endPeriodTransition() REQUIRES(mMutex);
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bool periodConfirmed(nsecs_t vsync_timestamp, std::optional<nsecs_t> hwcVsyncPeriod)
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REQUIRES(mMutex);
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std::unique_ptr<Clock> const mClock;
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VSyncTracker& mTracker;
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size_t const mPendingLimit;
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mutable std::mutex mMutex;
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bool mInternalIgnoreFences GUARDED_BY(mMutex) = false;
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bool mExternalIgnoreFences GUARDED_BY(mMutex) = false;
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std::vector<std::shared_ptr<android::FenceTime>> mUnfiredFences GUARDED_BY(mMutex);
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bool mMoreSamplesNeeded GUARDED_BY(mMutex) = false;
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bool mPeriodConfirmationInProgress GUARDED_BY(mMutex) = false;
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std::optional<nsecs_t> mPeriodTransitioningTo GUARDED_BY(mMutex);
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std::optional<nsecs_t> mLastHwVsync GUARDED_BY(mMutex);
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const bool mSupportKernelIdleTimer = false;
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};
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class SystemClock : public Clock {
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nsecs_t now() const final;
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};
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} // namespace android::scheduler
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