/* * Copyright 2016 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. */ #ifndef ANDROID_SURFACEREPLAYER_EVENT_H #define ANDROID_SURFACEREPLAYER_EVENT_H #include #include #include namespace android { using Increment = surfaceflinger::Increment; class Event { public: Event(Increment::IncrementCase); enum class EventState { SettingUp, // Completing as much time-independent work as possible Waiting, // Waiting for signal from main thread to finish execution Signaled, // Signaled by main thread, about to immediately switch to Running Running // Finishing execution of rest of work }; void readyToExecute(); void complete(); Increment::IncrementCase getIncrementType(); private: void waitUntil(EventState state); void changeState(EventState state); std::mutex mLock; std::condition_variable mCond; EventState mState = EventState::SettingUp; Increment::IncrementCase mIncrementType; }; } #endif