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/*
* Copyright 2022 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 <android-base/thread_annotations.h>
#include <gui/DisplayEventReceiver.h>
#include <scheduler/Fps.h>
#include <sys/types.h>
#include <map>
#include <optional>
namespace android::scheduler {
class FrameRateOverrideMappings {
using FrameRateOverride = DisplayEventReceiver::Event::FrameRateOverride;
using UidToFrameRateOverride = std::map<uid_t, Fps>;
public:
std::optional<Fps> getFrameRateOverrideForUid(uid_t uid,
bool supportsFrameRateOverrideByContent) const
EXCLUDES(mFrameRateOverridesLock);
std::vector<FrameRateOverride> getAllFrameRateOverrides(bool supportsFrameRateOverrideByContent)
EXCLUDES(mFrameRateOverridesLock);
void dump(std::string& result) const;
bool updateFrameRateOverridesByContent(const UidToFrameRateOverride& frameRateOverrides)
EXCLUDES(mFrameRateOverridesLock);
void setGameModeRefreshRateForUid(FrameRateOverride frameRateOverride)
EXCLUDES(mFrameRateOverridesLock);
void setPreferredRefreshRateForUid(FrameRateOverride frameRateOverride)
EXCLUDES(mFrameRateOverridesLock);
private:
// The frame rate override lists need their own mutex as they are being read
// by SurfaceFlinger, Scheduler and EventThread (as a callback) to prevent deadlocks
mutable std::mutex mFrameRateOverridesLock;
// mappings between a UID and a preferred refresh rate that this app would
// run at.
UidToFrameRateOverride mFrameRateOverridesByContent GUARDED_BY(mFrameRateOverridesLock);
UidToFrameRateOverride mFrameRateOverridesFromBackdoor GUARDED_BY(mFrameRateOverridesLock);
UidToFrameRateOverride mFrameRateOverridesFromGameManager GUARDED_BY(mFrameRateOverridesLock);
};
} // namespace android::scheduler
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