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/*
* Copyright 2019 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include <memory>
#include <mutex>
#include <unordered_map>
#include <vector>
#include <android-base/thread_annotations.h>
#include <ui/DisplayId.h>
#include <ui/FenceTime.h>
#include <scheduler/TimeKeeper.h>
#include "VSyncTracker.h"
#include "VsyncController.h"
namespace android::scheduler {
class Clock;
class VSyncDispatch;
class VSyncTracker;
// TODO (b/145217110): consider renaming.
class VSyncReactor : public VsyncController {
public:
VSyncReactor(PhysicalDisplayId, std::unique_ptr<Clock> clock, VSyncTracker& tracker,
size_t pendingFenceLimit, bool supportKernelIdleTimer);
~VSyncReactor();
bool addPresentFence(std::shared_ptr<FenceTime>) final;
void setIgnorePresentFences(bool ignore) final;
void onDisplayModeChanged(ftl::NonNull<DisplayModePtr>, bool force) final;
bool addHwVsyncTimestamp(nsecs_t timestamp, std::optional<nsecs_t> hwcVsyncPeriod,
bool* periodFlushed) final;
void setDisplayPowerMode(hal::PowerMode powerMode) final;
void dump(std::string& result) const final;
private:
void setIgnorePresentFencesInternal(bool ignore) REQUIRES(mMutex);
void updateIgnorePresentFencesInternal() REQUIRES(mMutex);
void startPeriodTransitionInternal(ftl::NonNull<DisplayModePtr>) REQUIRES(mMutex);
void endPeriodTransition() REQUIRES(mMutex);
bool periodConfirmed(nsecs_t vsync_timestamp, std::optional<nsecs_t> hwcVsyncPeriod)
REQUIRES(mMutex);
const PhysicalDisplayId mId;
std::unique_ptr<Clock> const mClock;
VSyncTracker& mTracker;
size_t const mPendingLimit;
mutable std::mutex mMutex;
bool mInternalIgnoreFences GUARDED_BY(mMutex) = false;
bool mExternalIgnoreFences GUARDED_BY(mMutex) = false;
std::vector<std::shared_ptr<android::FenceTime>> mUnfiredFences GUARDED_BY(mMutex);
bool mMoreSamplesNeeded GUARDED_BY(mMutex) = false;
bool mPeriodConfirmationInProgress GUARDED_BY(mMutex) = false;
DisplayModePtr mModePtrTransitioningTo GUARDED_BY(mMutex);
std::optional<nsecs_t> mLastHwVsync GUARDED_BY(mMutex);
hal::PowerMode mDisplayPowerMode GUARDED_BY(mMutex) = hal::PowerMode::ON;
const bool mSupportKernelIdleTimer = false;
};
class SystemClock : public Clock {
nsecs_t now() const final;
};
} // namespace android::scheduler
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