Lloyd Pique | 31cb294 | 2018-10-19 17:23:03 -0700 | [diff] [blame] | 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 { |
| 28 | |
| 29 | namespace compositionengine { |
| 30 | |
| 31 | class Display; |
| 32 | |
| 33 | /** |
| 34 | * A parameter object for creating RenderSurface instances |
| 35 | */ |
| 36 | struct RenderSurfaceCreationArgs { |
| 37 | // The initial width of the surface |
| 38 | int32_t displayWidth; |
| 39 | |
| 40 | // The initial height of the surface |
| 41 | int32_t displayHeight; |
| 42 | |
| 43 | // The ANativeWindow for the buffer queue for this surface |
| 44 | sp<ANativeWindow> nativeWindow; |
| 45 | |
| 46 | // The DisplaySurface for this surface |
| 47 | sp<DisplaySurface> displaySurface; |
| 48 | }; |
| 49 | |
| 50 | /** |
| 51 | * A helper for setting up a RenderSurfaceCreationArgs value in-line. |
| 52 | * Prefer this builder over raw structure initialization. |
| 53 | * |
| 54 | * Instead of: |
| 55 | * |
| 56 | * RenderSurfaceCreationArgs{1000, 1000, nativeWindow, displaySurface} |
| 57 | * |
| 58 | * Prefer: |
| 59 | * |
| 60 | * RenderSurfaceCreationArgsBuilder().setDisplayWidth(1000).setDisplayHeight(1000) |
| 61 | * .setNativeWindow(nativeWindow).setDisplaySurface(displaySurface).Build(); |
| 62 | */ |
| 63 | class RenderSurfaceCreationArgsBuilder { |
| 64 | public: |
| 65 | RenderSurfaceCreationArgs build() { return std::move(mArgs); } |
| 66 | |
| 67 | RenderSurfaceCreationArgsBuilder& setDisplayWidth(int32_t displayWidth) { |
| 68 | mArgs.displayWidth = displayWidth; |
| 69 | return *this; |
| 70 | } |
| 71 | RenderSurfaceCreationArgsBuilder& setDisplayHeight(int32_t displayHeight) { |
| 72 | mArgs.displayHeight = displayHeight; |
| 73 | return *this; |
| 74 | } |
| 75 | RenderSurfaceCreationArgsBuilder& setNativeWindow(sp<ANativeWindow> nativeWindow) { |
| 76 | mArgs.nativeWindow = nativeWindow; |
| 77 | return *this; |
| 78 | } |
| 79 | RenderSurfaceCreationArgsBuilder& setDisplaySurface(sp<DisplaySurface> displaySurface) { |
| 80 | mArgs.displaySurface = displaySurface; |
| 81 | return *this; |
| 82 | } |
| 83 | |
| 84 | private: |
| 85 | RenderSurfaceCreationArgs mArgs; |
| 86 | }; |
| 87 | |
| 88 | } // namespace compositionengine |
| 89 | } // namespace android |