3e9999bd86
Change-Id: I0987104eabda9a2a302b9e765213aad48f93aea4 Test: refactoring CL. Existing tests still pass bug:33753499
150 lines
3.1 KiB
C++
150 lines
3.1 KiB
C++
/*
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* Copyright (C) 2010 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include <utils/RefBase.h>
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#include <GpuMemoryTracker.h>
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#include <SkPaint.h>
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#include <SkBlendMode.h>
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#include "Matrix.h"
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namespace android {
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namespace uirenderer {
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///////////////////////////////////////////////////////////////////////////////
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// Layers
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///////////////////////////////////////////////////////////////////////////////
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class RenderState;
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/**
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* A layer has dimensions and is backed by a backend specific texture or framebuffer.
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*/
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class Layer : public VirtualLightRefBase, GpuMemoryTracker {
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public:
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enum class Api {
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OpenGL = 0,
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Vulkan = 1,
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};
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Api getApi() const {
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return mApi;
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}
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~Layer();
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virtual uint32_t getWidth() const = 0;
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virtual uint32_t getHeight() const = 0;
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virtual void setSize(uint32_t width, uint32_t height) = 0;
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virtual void setBlend(bool blend) = 0;
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virtual bool isBlend() const = 0;
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inline void setForceFilter(bool forceFilter) {
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this->forceFilter = forceFilter;
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}
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inline bool getForceFilter() const {
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return forceFilter;
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}
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inline void setAlpha(int alpha) {
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this->alpha = alpha;
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}
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inline void setAlpha(int alpha, SkBlendMode mode) {
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this->alpha = alpha;
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this->mode = mode;
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}
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inline int getAlpha() const {
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return alpha;
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}
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inline SkBlendMode getMode() const {
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return mode;
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}
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inline SkColorFilter* getColorFilter() const {
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return colorFilter;
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}
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void setColorFilter(SkColorFilter* filter);
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inline mat4& getTexTransform() {
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return texTransform;
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}
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inline mat4& getTransform() {
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return transform;
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}
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/**
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* Posts a decStrong call to the appropriate thread.
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* Thread-safe.
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*/
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void postDecStrong();
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protected:
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Layer(RenderState& renderState, Api api, SkColorFilter* colorFilter, int alpha,
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SkBlendMode mode);
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RenderState& mRenderState;
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private:
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Api mApi;
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/**
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* Color filter used to draw this layer. Optional.
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*/
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SkColorFilter* colorFilter;
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/**
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* Indicates raster data backing the layer is scaled, requiring filtration.
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*/
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bool forceFilter = false;
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/**
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* Opacity of the layer.
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*/
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int alpha;
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/**
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* Blending mode of the layer.
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*/
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SkBlendMode mode;
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/**
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* Optional texture coordinates transform.
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*/
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mat4 texTransform;
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/**
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* Optional transform.
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*/
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mat4 transform;
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}; // struct Layer
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}; // namespace uirenderer
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}; // namespace android
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