Alec Mouri | adebf5c | 2021-01-05 12:57:36 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2021 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #undef LOG_TAG |
| 18 | #define LOG_TAG "FpsReporter" |
| 19 | #define ATRACE_TAG ATRACE_TAG_GRAPHICS |
| 20 | |
Alec Mouri | a9a68a6 | 2021-03-04 19:14:50 -0800 | [diff] [blame] | 21 | #include <algorithm> |
Alec Mouri | adebf5c | 2021-01-05 12:57:36 -0800 | [diff] [blame] | 22 | |
Alec Mouri | a9a68a6 | 2021-03-04 19:14:50 -0800 | [diff] [blame] | 23 | #include "FpsReporter.h" |
Alec Mouri | adebf5c | 2021-01-05 12:57:36 -0800 | [diff] [blame] | 24 | #include "Layer.h" |
Alec Mouri | a9a68a6 | 2021-03-04 19:14:50 -0800 | [diff] [blame] | 25 | #include "SurfaceFlinger.h" |
Alec Mouri | adebf5c | 2021-01-05 12:57:36 -0800 | [diff] [blame] | 26 | |
| 27 | namespace android { |
| 28 | |
Alec Mouri | a9a68a6 | 2021-03-04 19:14:50 -0800 | [diff] [blame] | 29 | FpsReporter::FpsReporter(frametimeline::FrameTimeline& frameTimeline, SurfaceFlinger& flinger) |
| 30 | : mFrameTimeline(frameTimeline), mFlinger(flinger) {} |
Alec Mouri | adebf5c | 2021-01-05 12:57:36 -0800 | [diff] [blame] | 31 | |
| 32 | void FpsReporter::dispatchLayerFps() const { |
| 33 | std::vector<TrackedListener> localListeners; |
| 34 | { |
| 35 | std::scoped_lock lock(mMutex); |
| 36 | if (mListeners.empty()) { |
| 37 | return; |
| 38 | } |
| 39 | |
| 40 | std::transform(mListeners.begin(), mListeners.end(), std::back_inserter(localListeners), |
| 41 | [](const std::pair<wp<IBinder>, TrackedListener>& entry) { |
| 42 | return entry.second; |
| 43 | }); |
| 44 | } |
| 45 | |
Alec Mouri | a9a68a6 | 2021-03-04 19:14:50 -0800 | [diff] [blame] | 46 | std::unordered_set<int32_t> seenTasks; |
| 47 | std::vector<std::pair<TrackedListener, sp<Layer>>> listenersAndLayersToReport; |
Alec Mouri | adebf5c | 2021-01-05 12:57:36 -0800 | [diff] [blame] | 48 | |
Alec Mouri | a9a68a6 | 2021-03-04 19:14:50 -0800 | [diff] [blame] | 49 | mFlinger.mCurrentState.traverse([&](Layer* layer) { |
| 50 | auto& currentState = layer->getCurrentState(); |
| 51 | if (currentState.metadata.has(METADATA_TASK_ID)) { |
| 52 | int32_t taskId = currentState.metadata.getInt32(METADATA_TASK_ID, 0); |
| 53 | if (seenTasks.count(taskId) == 0) { |
| 54 | // localListeners is expected to be tiny |
| 55 | for (TrackedListener& listener : localListeners) { |
| 56 | if (listener.taskId == taskId) { |
| 57 | seenTasks.insert(taskId); |
| 58 | listenersAndLayersToReport.push_back({listener, sp<Layer>(layer)}); |
| 59 | break; |
| 60 | } |
| 61 | } |
| 62 | } |
Alec Mouri | adebf5c | 2021-01-05 12:57:36 -0800 | [diff] [blame] | 63 | } |
Alec Mouri | a9a68a6 | 2021-03-04 19:14:50 -0800 | [diff] [blame] | 64 | }); |
| 65 | |
| 66 | for (const auto& [listener, layer] : listenersAndLayersToReport) { |
| 67 | std::unordered_set<int32_t> layerIds; |
| 68 | |
| 69 | layer->traverse(LayerVector::StateSet::Current, |
| 70 | [&](Layer* layer) { layerIds.insert(layer->getSequence()); }); |
| 71 | |
| 72 | listener.listener->onFpsReported(mFrameTimeline.computeFps(layerIds)); |
Alec Mouri | adebf5c | 2021-01-05 12:57:36 -0800 | [diff] [blame] | 73 | } |
| 74 | } |
| 75 | |
| 76 | void FpsReporter::binderDied(const wp<IBinder>& who) { |
| 77 | std::scoped_lock lock(mMutex); |
| 78 | mListeners.erase(who); |
| 79 | } |
| 80 | |
Alec Mouri | a9a68a6 | 2021-03-04 19:14:50 -0800 | [diff] [blame] | 81 | void FpsReporter::addListener(const sp<gui::IFpsListener>& listener, int32_t taskId) { |
Alec Mouri | adebf5c | 2021-01-05 12:57:36 -0800 | [diff] [blame] | 82 | sp<IBinder> asBinder = IInterface::asBinder(listener); |
| 83 | asBinder->linkToDeath(this); |
| 84 | std::lock_guard lock(mMutex); |
Alec Mouri | a9a68a6 | 2021-03-04 19:14:50 -0800 | [diff] [blame] | 85 | mListeners.emplace(wp<IBinder>(asBinder), TrackedListener{listener, taskId}); |
Alec Mouri | adebf5c | 2021-01-05 12:57:36 -0800 | [diff] [blame] | 86 | } |
| 87 | |
| 88 | void FpsReporter::removeListener(const sp<gui::IFpsListener>& listener) { |
| 89 | std::lock_guard lock(mMutex); |
| 90 | mListeners.erase(wp<IBinder>(IInterface::asBinder(listener))); |
| 91 | } |
| 92 | |
| 93 | } // namespace android |