92 lines
2.4 KiB
C++
92 lines
2.4 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/RefBase.h>
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#include <utils/Log.h>
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#include "BufferPool.h"
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#include "FrameInfo.h"
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#include "FrameStatsObserver.h"
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#include <string.h>
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#include <vector>
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namespace android {
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namespace uirenderer {
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class FrameStatsReporter {
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public:
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FrameStatsReporter() {
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mBufferPool = new BufferPool(kBufferSize, kBufferCount);
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LOG_ALWAYS_FATAL_IF(mBufferPool.get() == nullptr, "OOM: unable to allocate buffer pool");
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}
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void addObserver(FrameStatsObserver* observer) {
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mObservers.push_back(observer);
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}
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bool removeObserver(FrameStatsObserver* observer) {
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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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return mObservers.size() > 0;
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}
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void reportFrameStats(const int64_t* stats) {
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BufferPool::Buffer* statsBuffer = mBufferPool->acquire();
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if (statsBuffer != nullptr) {
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// copy in frame stats
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memcpy(statsBuffer->getBuffer(), stats, kBufferSize * sizeof(*stats));
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// notify on requested threads
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for (size_t i = 0; i < mObservers.size(); i++) {
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mObservers[i]->notify(statsBuffer);
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}
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// drop our reference
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statsBuffer->release();
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} else {
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mDroppedReports++;
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}
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}
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int getDroppedReports() { return mDroppedReports; }
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private:
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static const size_t kBufferCount = 3;
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static const size_t kBufferSize = static_cast<size_t>(FrameInfoIndex::NumIndexes);
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std::vector< sp<FrameStatsObserver> > mObservers;
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sp<BufferPool> mBufferPool;
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int mDroppedReports = 0;
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};
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}; // namespace uirenderer
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}; // namespace android
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