56 lines
1.6 KiB
C++
56 lines
1.6 KiB
C++
/*
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* Copyright (C) 2025 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 "stats/CompositionStats.h"
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#include <condition_variable>
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#include <memory>
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#include <mutex>
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#include <thread>
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#include <android-base/thread_annotations.h>
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namespace android::drm_hwcomposer {
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class CompositionStatsAtomReporter;
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// CompositionStatsPoller periodically polls the CompositionStatsProvider for
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// the current CompositionStats. It then pushes the stats delta to the
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// CompositionStatsAtomReporter.
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class CompositionStatsPoller {
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public:
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CompositionStatsPoller(std::unique_ptr<CompositionStatsAtomReporter> reporter,
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CompositionStatsProvider* provider);
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~CompositionStatsPoller();
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private:
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void PollFunc();
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std::thread thread_;
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std::mutex mutex_;
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std::condition_variable condition_;
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// Accessed from both the helper thread and main thread.
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bool exit_ GUARDED_BY(mutex_) = false;
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// Only accessed from the helper thread.
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CompositionStatsTracker tracker_;
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std::unique_ptr<CompositionStatsAtomReporter> reporter_;
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};
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} // namespace android::drm_hwcomposer
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