35b80cde92
The frame numbers are ultimately stored as uint64_t so to avoid any implementation dependent casting we make sure all direct and indirect references to this value are stored as uint64_t Test: N/A Change-Id: I080c94b1007f2e884cf0fa3583bf51badc913a05
82 lines
2.6 KiB
C++
82 lines
2.6 KiB
C++
/*
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* Copyright (C) 2016 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 <utils/Mutex.h>
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#include <utils/Log.h>
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#include <utils/RefBase.h>
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#include <ui/FatVector.h>
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#include "FrameInfo.h"
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#include "FrameMetricsObserver.h"
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#include <string.h>
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#include <mutex>
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namespace android {
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namespace uirenderer {
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class FrameMetricsReporter {
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public:
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FrameMetricsReporter() {}
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void addObserver(FrameMetricsObserver* observer) {
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std::lock_guard lock(mObserversLock);
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mObservers.push_back(observer);
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}
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bool removeObserver(FrameMetricsObserver* observer) {
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std::lock_guard lock(mObserversLock);
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for (size_t i = 0; i < mObservers.size(); i++) {
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if (mObservers[i].get() == observer) {
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mObservers.erase(mObservers.begin() + i);
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return true;
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}
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}
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return false;
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}
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bool hasObservers() {
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std::lock_guard lock(mObserversLock);
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return mObservers.size() > 0;
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}
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/**
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* Notify observers about the metrics contained in 'stats'.
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* If an observer is waiting for present time, notify when 'stats' has present time.
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*
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* If an observer does not want present time, only notify when 'hasPresentTime' is false.
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* Never notify both types of observers from the same callback, because the callback with
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* 'hasPresentTime' is sent at a different time than the one without.
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*
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* The 'frameNumber' and 'surfaceControlId' associated to the frame whose's stats are being
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* reported are used to determine whether or not the stats should be reported. We won't report
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* stats of frames that are from "old" surfaces (i.e. with surfaceControlIds older than the one
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* the observer was attached on) nor those that are from "old" frame numbers.
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*/
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void reportFrameMetrics(const int64_t* stats, bool hasPresentTime, uint64_t frameNumber,
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int32_t surfaceControlId);
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private:
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FatVector<sp<FrameMetricsObserver>, 10> mObservers GUARDED_BY(mObserversLock);
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std::mutex mObserversLock;
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};
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} // namespace uirenderer
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} // namespace android
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