1 /* 2 * Copyright 2019 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 <cstdint> 20 #include <memory> 21 22 #include <compositionengine/DisplaySurface.h> 23 #include <utils/StrongPointer.h> 24 25 struct ANativeWindow; 26 27 namespace android::compositionengine { 28 29 /** 30 * A parameter object for creating RenderSurface instances 31 */ 32 struct RenderSurfaceCreationArgs { 33 // The initial width of the surface 34 int32_t displayWidth = -1; 35 36 // The initial height of the surface 37 int32_t displayHeight = -1; 38 39 // The ANativeWindow for the buffer queue for this surface 40 sp<ANativeWindow> nativeWindow; 41 42 // The DisplaySurface for this surface 43 sp<DisplaySurface> displaySurface; 44 45 // The maximum size of the renderengine::ExternalTexture cache 46 size_t maxTextureCacheSize = 0; 47 48 private: 49 friend class RenderSurfaceCreationArgsBuilder; 50 51 // Not defaulted to disable aggregate initialization. RenderSurfaceCreationArgsRenderSurfaceCreationArgs52 RenderSurfaceCreationArgs() {} 53 }; 54 55 class RenderSurfaceCreationArgsBuilder { 56 public: build()57 RenderSurfaceCreationArgs build() { return std::move(mArgs); } 58 setDisplayWidth(int32_t displayWidth)59 RenderSurfaceCreationArgsBuilder& setDisplayWidth(int32_t displayWidth) { 60 mArgs.displayWidth = displayWidth; 61 return *this; 62 } setDisplayHeight(int32_t displayHeight)63 RenderSurfaceCreationArgsBuilder& setDisplayHeight(int32_t displayHeight) { 64 mArgs.displayHeight = displayHeight; 65 return *this; 66 } setNativeWindow(sp<ANativeWindow> nativeWindow)67 RenderSurfaceCreationArgsBuilder& setNativeWindow(sp<ANativeWindow> nativeWindow) { 68 mArgs.nativeWindow = std::move(nativeWindow); 69 return *this; 70 } setDisplaySurface(sp<DisplaySurface> displaySurface)71 RenderSurfaceCreationArgsBuilder& setDisplaySurface(sp<DisplaySurface> displaySurface) { 72 mArgs.displaySurface = std::move(displaySurface); 73 return *this; 74 } 75 setMaxTextureCacheSize(size_t maxTextureCacheSize)76 RenderSurfaceCreationArgsBuilder& setMaxTextureCacheSize(size_t maxTextureCacheSize) { 77 mArgs.maxTextureCacheSize = maxTextureCacheSize; 78 return *this; 79 } 80 81 private: 82 RenderSurfaceCreationArgs mArgs; 83 }; 84 85 } // namespace android::compositionengine 86