5b3b35296e
This optimization is currently disabled until Launcher is modified to take advantage of it. The optimization can be enabled by turning on RENDER_LAYERS_AS_REGIONS in the OpenGLRenderer.h file. Change-Id: I2fdf59d0f4dc690a3d7f712173ab8db3848b27b1
102 lines
2.2 KiB
C++
102 lines
2.2 KiB
C++
/*
|
|
* Copyright (C) 2010 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.
|
|
*/
|
|
|
|
#ifndef ANDROID_HWUI_LAYER_H
|
|
#define ANDROID_HWUI_LAYER_H
|
|
|
|
#include <sys/types.h>
|
|
|
|
#include <GLES2/gl2.h>
|
|
|
|
#include <ui/Region.h>
|
|
|
|
#include <SkXfermode.h>
|
|
|
|
#include "Rect.h"
|
|
|
|
namespace android {
|
|
namespace uirenderer {
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
// Layers
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
|
|
/**
|
|
* A layer has dimensions and is backed by an OpenGL texture or FBO.
|
|
*/
|
|
struct Layer {
|
|
Layer(const uint32_t layerWidth, const uint32_t layerHeight):
|
|
width(layerWidth), height(layerHeight) {
|
|
}
|
|
|
|
/**
|
|
* Bounds of the layer.
|
|
*/
|
|
Rect layer;
|
|
/**
|
|
* Texture coordinates of the layer.
|
|
*/
|
|
Rect texCoords;
|
|
|
|
/**
|
|
* Name of the FBO used to render the layer. If the name is 0
|
|
* this layer is not backed by an FBO, but a simple texture.
|
|
*/
|
|
GLuint fbo;
|
|
|
|
/**
|
|
* Opacity of the layer.
|
|
*/
|
|
int alpha;
|
|
/**
|
|
* Blending mode of the layer.
|
|
*/
|
|
SkXfermode::Mode mode;
|
|
/**
|
|
* Indicates whether this layer should be blended.
|
|
*/
|
|
bool blend;
|
|
|
|
/**
|
|
* Indicates whether this layer has been used already.
|
|
*/
|
|
bool empty;
|
|
|
|
/**
|
|
* Name of the texture used to render the layer.
|
|
*/
|
|
GLuint texture;
|
|
/**
|
|
* Width of the layer texture.
|
|
*/
|
|
uint32_t width;
|
|
/**
|
|
* Height of the layer texture.
|
|
*/
|
|
uint32_t height;
|
|
|
|
/**
|
|
* Dirty region indicating what parts of the layer
|
|
* have been drawn.
|
|
*/
|
|
Region region;
|
|
}; // struct Layer
|
|
|
|
}; // namespace uirenderer
|
|
}; // namespace android
|
|
|
|
#endif // ANDROID_HWUI_LAYER_H
|