1 /* 2 * Copyright (C) 2017 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 "Layer.h" 20 21 #include <SkImage.h> 22 23 namespace android { 24 namespace uirenderer { 25 /** 26 * A layer has dimensions and is backed by a VkImage. 27 */ 28 class VkLayer : public Layer { 29 public: 30 VkLayer(RenderState& renderState, uint32_t layerWidth, uint32_t layerHeight, 31 sk_sp<SkColorFilter> colorFilter, int alpha, SkBlendMode mode, bool blend) 32 : Layer(renderState, Api::Vulkan, colorFilter, alpha, mode) 33 , mWidth(layerWidth) 34 , mHeight(layerHeight) 35 , mBlend(blend) {} 36 37 virtual ~VkLayer() {} 38 39 uint32_t getWidth() const override { return mWidth; } 40 41 uint32_t getHeight() const override { return mHeight; } 42 43 void setSize(uint32_t width, uint32_t height) override { 44 mWidth = width; 45 mHeight = height; 46 } 47 48 void setBlend(bool blend) override { mBlend = blend; } 49 50 bool isBlend() const override { return mBlend; } 51 52 sk_sp<SkImage> getImage() { return mImage; } 53 54 void updateTexture(); 55 56 // If we've destroyed the vulkan context (VkInstance, VkDevice, etc.), we must make sure to 57 // destroy any VkImages that were made with that context. 58 void onVkContextDestroyed(); 59 60 private: 61 int mWidth; 62 int mHeight; 63 bool mBlend; 64 65 sk_sp<SkImage> mImage; 66 67 }; // struct VkLayer 68 69 }; // namespace uirenderer 70 }; // namespace android 71
