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
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
|
/*
* Copyright (C) 2008 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_SF_LAYER_STATE_H
#define ANDROID_SF_LAYER_STATE_H
#include <stdint.h>
#include <sys/types.h>
#include <utils/Errors.h>
#include <ui/Region.h>
#include <ui/Rect.h>
namespace android {
class Parcel;
class ISurfaceComposerClient;
/*
* Used to communicate layer information between SurfaceFlinger and its clients.
*/
struct layer_state_t {
enum {
eLayerHidden = 0x01, // SURFACE_HIDDEN in SurfaceControl.java
eLayerOpaque = 0x02, // SURFACE_OPAQUE
eLayerSecure = 0x80, // SECURE
};
enum {
ePositionChanged = 0x00000001,
eLayerChanged = 0x00000002,
eSizeChanged = 0x00000004,
eAlphaChanged = 0x00000008,
eMatrixChanged = 0x00000010,
eTransparentRegionChanged = 0x00000020,
eFlagsChanged = 0x00000040,
eLayerStackChanged = 0x00000080,
eCropChanged = 0x00000100,
};
layer_state_t()
: what(0),
x(0), y(0), z(0), w(0), h(0), layerStack(0),
alpha(0), flags(0), mask(0),
reserved(0)
{
matrix.dsdx = matrix.dtdy = 1.0f;
matrix.dsdy = matrix.dtdx = 0.0f;
crop.makeInvalid();
}
status_t write(Parcel& output) const;
status_t read(const Parcel& input);
struct matrix22_t {
float dsdx;
float dtdx;
float dsdy;
float dtdy;
};
sp<IBinder> surface;
uint32_t what;
float x;
float y;
uint32_t z;
uint32_t w;
uint32_t h;
uint32_t layerStack;
float alpha;
uint8_t flags;
uint8_t mask;
uint8_t reserved;
matrix22_t matrix;
Rect crop;
// non POD must be last. see write/read
Region transparentRegion;
};
struct ComposerState {
sp<ISurfaceComposerClient> client;
layer_state_t state;
status_t write(Parcel& output) const;
status_t read(const Parcel& input);
};
struct DisplayState {
enum {
eOrientationDefault = 0,
eOrientation90 = 1,
eOrientation180 = 2,
eOrientation270 = 3,
eOrientationUnchanged = 4,
eOrientationSwapMask = 0x01
};
enum {
eSurfaceChanged = 0x01,
eLayerStackChanged = 0x02,
eDisplayProjectionChanged = 0x04,
eDisplaySizeChanged = 0x08
};
uint32_t what;
sp<IBinder> token;
sp<IGraphicBufferProducer> surface;
uint32_t layerStack;
uint32_t orientation;
Rect viewport;
Rect frame;
uint32_t width, height;
status_t write(Parcel& output) const;
status_t read(const Parcel& input);
};
}; // namespace android
#endif // ANDROID_SF_LAYER_STATE_H
|
