1 /* 2 * Copyright 2018 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #pragma once 18 19 #include <memory> 20 21 namespace android { 22 23 class HWComposer; 24 25 namespace renderengine { 26 class RenderEngine; 27 } // namespace renderengine 28 29 namespace compositionengine { 30 31 class Display; 32 class Layer; 33 34 struct DisplayCreationArgs; 35 struct LayerCreationArgs; 36 37 /** 38 * Encapsulates all the interfaces and implementation details for performing 39 * display output composition. 40 */ 41 class CompositionEngine { 42 public: 43 virtual ~CompositionEngine(); 44 45 // Create a composition Display 46 virtual std::shared_ptr<Display> createDisplay(DisplayCreationArgs&&) = 0; 47 virtual std::shared_ptr<Layer> createLayer(LayerCreationArgs&&) = 0; 48 49 virtual HWComposer& getHwComposer() const = 0; 50 virtual void setHwComposer(std::unique_ptr<HWComposer>) = 0; 51 52 virtual renderengine::RenderEngine& getRenderEngine() const = 0; 53 virtual void setRenderEngine(std::unique_ptr<renderengine::RenderEngine>) = 0; 54 }; 55 56 } // namespace compositionengine 57 } // namespace android 58
