72 lines
2.1 KiB
C++
72 lines
2.1 KiB
C++
/*
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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 <jni.h>
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#include <mutex>
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#include "SwappyDisplayManager.h"
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#include "Thread.h"
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namespace swappy {
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class ChoreographerThread {
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public:
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enum class Type {
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// choreographer ticks are provided by application
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App,
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// register internally with choreographer
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Swappy,
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};
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static const char* CT_CLASS;
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static const JNINativeMethod CTNativeMethods[];
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static constexpr int CTNativeMethodsSize = 1;
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using RefreshRateChangedCallback = std::function<void()>;
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using ChoreographerCallback = std::function<void(
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std::optional<std::chrono::nanoseconds> sfToVsyncDelay)>;
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static std::unique_ptr<ChoreographerThread> createChoreographerThread(
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Type type, JavaVM* vm, jobject jactivity,
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ChoreographerCallback onChoreographer,
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RefreshRateChangedCallback onRefreshRateChanged, SdkVersion sdkVersion);
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virtual ~ChoreographerThread() = 0;
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virtual void postFrameCallbacks();
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bool isInitialized() { return mInitialized; }
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protected:
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ChoreographerThread(ChoreographerCallback onChoreographer);
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virtual void scheduleNextFrameCallback() REQUIRES(mWaitingMutex) = 0;
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virtual void onChoreographer(
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std::optional<std::chrono::nanoseconds> sfToVsyncDelay);
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std::mutex mWaitingMutex;
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int mCallbacksBeforeIdle GUARDED_BY(mWaitingMutex) = 0;
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ChoreographerCallback mCallback;
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bool mInitialized = false;
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static constexpr int MAX_CALLBACKS_BEFORE_IDLE = 10;
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};
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} // namespace swappy
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