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/*
* Copyright (C) 2017 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include "Layer.h"
#include <SkImage.h>
namespace android {
namespace uirenderer {
/**
* A layer has dimensions and is backed by a VkImage.
*/
class VkLayer : public Layer {
public:
VkLayer(RenderState& renderState, uint32_t layerWidth, uint32_t layerHeight,
sk_sp<SkColorFilter> colorFilter, int alpha, SkBlendMode mode, bool blend)
: Layer(renderState, Api::Vulkan, colorFilter, alpha, mode)
, mWidth(layerWidth)
, mHeight(layerHeight)
, mBlend(blend) {}
virtual ~VkLayer() {}
uint32_t getWidth() const override { return mWidth; }
uint32_t getHeight() const override { return mHeight; }
void setSize(uint32_t width, uint32_t height) override {
mWidth = width;
mHeight = height;
}
void setBlend(bool blend) override { mBlend = blend; }
bool isBlend() const override { return mBlend; }
sk_sp<SkImage> getImage() { return mImage; }
void updateTexture();
// If we've destroyed the vulkan context (VkInstance, VkDevice, etc.), we must make sure to
// destroy any VkImages that were made with that context.
void onVkContextDestroyed();
private:
int mWidth;
int mHeight;
bool mBlend;
sk_sp<SkImage> mImage;
}; // struct VkLayer
}; // namespace uirenderer
}; // namespace android
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