| /* |
| * Copyright 2019 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 "EGL.h" |
| #include "Thread.h" |
| |
| #include <array> |
| #include <map> |
| #include <vector> |
| |
| #include <swappy/swappy_extra.h> |
| |
| using TimePoint = std::chrono::steady_clock::time_point; |
| using namespace std::chrono_literals; |
| |
| namespace swappy { |
| |
| |
| class FrameStatistics { |
| public: |
| explicit FrameStatistics(std::shared_ptr<EGL> egl, |
| std::chrono::nanoseconds refreshPeriod) : |
| mEgl(egl), mRefreshPeriod(refreshPeriod) {}; |
| ~FrameStatistics() = default; |
| |
| void capture(EGLDisplay dpy, EGLSurface surface); |
| |
| Swappy_Stats getStats(); |
| |
| private: |
| static constexpr int MAX_FRAME_LAG = 10; |
| static constexpr std::chrono::nanoseconds LOG_EVERY_N_NS = 1s; |
| |
| void updateFrames(EGLnsecsANDROID start, EGLnsecsANDROID end, uint64_t stat[]); |
| void updateIdleFrames(EGL::FrameTimestamps& frameStats) REQUIRES(mMutex); |
| void updateLateFrames(EGL::FrameTimestamps& frameStats) REQUIRES(mMutex); |
| void updateOffsetFromPreviousFrame(EGL::FrameTimestamps& frameStats) REQUIRES(mMutex); |
| void updateLatencyFrames(EGL::FrameTimestamps& frameStats, |
| TimePoint frameStartTime) REQUIRES(mMutex); |
| void logFrames() REQUIRES(mMutex); |
| |
| std::shared_ptr<EGL> mEgl; |
| const std::chrono::nanoseconds mRefreshPeriod; |
| |
| struct EGLFrame { |
| EGLDisplay dpy; |
| EGLSurface surface; |
| EGLuint64KHR id; |
| TimePoint startFrameTime; |
| }; |
| std::vector<EGLFrame> mPendingFrames; |
| EGLnsecsANDROID mPrevFrameTime = 0; |
| |
| std::mutex mMutex; |
| Swappy_Stats mStats GUARDED_BY(mMutex)= {}; |
| }; |
| |
| } //namespace swappy |