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57 lines
1.7 KiB
57 lines
1.7 KiB
/*
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* Copyright 2018 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 <mutex>
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#include "EventThread.h"
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namespace android {
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/**
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* VSync signals used during SurfaceFlinger trace playback (traces we captured
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* with SurfaceInterceptor).
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*/
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class InjectVSyncSource final : public VSyncSource {
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public:
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~InjectVSyncSource() override = default;
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void setCallback(VSyncSource::Callback* callback) override {
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std::lock_guard<std::mutex> lock(mCallbackMutex);
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mCallback = callback;
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}
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void onInjectSyncEvent(nsecs_t when, nsecs_t expectedVSyncTimestamp,
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nsecs_t deadlineTimestamp) {
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std::lock_guard<std::mutex> lock(mCallbackMutex);
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if (mCallback) {
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mCallback->onVSyncEvent(when, expectedVSyncTimestamp, deadlineTimestamp);
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}
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}
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const char* getName() const override { return "inject"; }
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void setVSyncEnabled(bool) override {}
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void setDuration(std::chrono::nanoseconds, std::chrono::nanoseconds) override {}
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void dump(std::string&) const override {}
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private:
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std::mutex mCallbackMutex;
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VSyncSource::Callback* mCallback GUARDED_BY(mCallbackMutex) = nullptr;
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};
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} // namespace android
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