blob: 602476511c3fe2b6c6b0e6f3fdcff509904db6d3 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
|
/*
* 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_UI_LAYER_H
#define ANDROID_UI_LAYER_H
#include <sys/types.h>
#include <GLES2/gl2.h>
#include <SkXfermode.h>
#include "Rect.h"
namespace android {
namespace uirenderer {
/**
* Dimensions of a layer.
*/
struct LayerSize {
LayerSize(): width(0), height(0) { }
LayerSize(const uint32_t width, const uint32_t height): width(width), height(height) { }
LayerSize(const LayerSize& size): width(size.width), height(size.height) { }
uint32_t width;
uint32_t height;
bool operator<(const LayerSize& rhs) const {
if (width == rhs.width) {
return height < rhs.height;
}
return width < rhs.width;
}
bool operator==(const LayerSize& rhs) const {
return width == rhs.width && height == rhs.height;
}
}; // struct LayerSize
/**
* A layer has dimensions and is backed by an OpenGL texture or FBO.
*/
struct Layer {
/**
* Coordinates of the layer.
*/
Rect layer;
/**
* Name of the texture used to render the layer.
*/
GLuint texture;
/**
* 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;
}; // struct Layer
}; // namespace uirenderer
}; // namespace android
#endif // ANDROID_UI_LAYER_H
|
