f7f93556c8
Currently only tested with title bars and buttons. Change-Id: I8263a9281898dc0e943b1b8412827fe55639b9d6
100 lines
2.5 KiB
C++
100 lines
2.5 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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#ifndef ANDROID_UI_LAYER_H
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#define ANDROID_UI_LAYER_H
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#include <sys/types.h>
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#include <GLES2/gl2.h>
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#include <SkXfermode.h>
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#include "Rect.h"
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namespace android {
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namespace uirenderer {
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/**
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* Dimensions of a layer.
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*/
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struct LayerSize {
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LayerSize(): width(0), height(0), id(0) { }
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LayerSize(const uint32_t width, const uint32_t height): width(width), height(height), id(0) { }
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LayerSize(const LayerSize& size): width(size.width), height(size.height), id(size.id) { }
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uint32_t width;
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uint32_t height;
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// Incremental id used by the layer cache to store multiple
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// LayerSize with the same dimensions
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uint32_t id;
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bool operator<(const LayerSize& rhs) const {
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if (id != 0 && rhs.id != 0) {
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return id < rhs.id;
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}
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if (width == rhs.width) {
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return height < rhs.height;
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}
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return width < rhs.width;
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}
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bool operator==(const LayerSize& rhs) const {
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return width == rhs.width && height == rhs.height;
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}
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}; // struct LayerSize
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/**
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* A layer has dimensions and is backed by an OpenGL texture.
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*/
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struct Layer {
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/**
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* Coordinates of the layer corresponding to this snapshot.
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* Only set when the flag kFlagIsLayer is set.
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*/
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Rect layer;
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/**
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* Name of the texture used to render the layer.
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* Only set when the flag kFlagIsLayer is set.
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*/
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GLuint texture;
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/**
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* Name of the FBO used to render the layer.
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* Only set when the flag kFlagIsLayer is set.
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*/
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GLuint fbo;
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/**
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* Opacity of the layer.
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* Only set when the flag kFlagIsLayer is set.
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*/
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float alpha;
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/**
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* Blending mode of the layer.
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* Only set when the flag kFlagIsLayer is set.
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*/
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SkXfermode::Mode mode;
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/**
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* Indicates whether this layer should be blended.
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*/
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bool blend;
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}; // struct Layer
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}; // namespace uirenderer
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}; // namespace android
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#endif // ANDROID_UI_LAYER_H
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