1 // Copyright 2018 The Android Open Source Project 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 #pragma once 15 16 #include <functional> 17 #include <memory> 18 19 namespace aemu { 20 21 class Vsync { 22 public: 23 using Callback = std::function<void()>; 24 25 Vsync(int refreshRate, Callback vsyncCallback); 26 ~Vsync(); 27 28 void start(); 29 void join(); 30 31 void waitUntilNextVsync(); 32 33 private: 34 class Impl; 35 std::unique_ptr<Impl> mImpl; 36 }; 37 38 } // namespace aemu 39