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
|
/*
* Copyright (C) 2007 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_GUI_SURFACE_CONTROL_H
#define ANDROID_GUI_SURFACE_CONTROL_H
#include <stdint.h>
#include <sys/types.h>
#include <utils/KeyedVector.h>
#include <utils/RefBase.h>
#include <utils/threads.h>
#include <ui/FrameStats.h>
#include <ui/PixelFormat.h>
#include <ui/Region.h>
#include <gui/ISurfaceComposerClient.h>
namespace android {
// ---------------------------------------------------------------------------
class IGraphicBufferProducer;
class Surface;
class SurfaceComposerClient;
// ---------------------------------------------------------------------------
class SurfaceControl : public RefBase
{
public:
static bool isValid(const sp<SurfaceControl>& surface) {
return (surface != 0) && surface->isValid();
}
bool isValid() {
return mHandle!=0 && mClient!=0;
}
static bool isSameSurface(
const sp<SurfaceControl>& lhs, const sp<SurfaceControl>& rhs);
// release surface data from java
void clear();
// disconnect any api that's connected
void disconnect();
status_t setLayerStack(uint32_t layerStack);
status_t setLayer(int32_t layer);
status_t setLayerInfo(uint32_t type, uint32_t appid);
status_t setPosition(float x, float y);
status_t setSize(uint32_t w, uint32_t h);
status_t hide();
status_t show();
status_t setFlags(uint32_t flags, uint32_t mask);
status_t setTransparentRegionHint(const Region& transparent);
status_t setAlpha(float alpha=1.0f);
status_t setMatrix(float dsdx, float dtdx, float dsdy, float dtdy);
status_t setCrop(const Rect& crop);
status_t setFinalCrop(const Rect& crop);
// If the size changes in this transaction, all geometry updates specified
// in this transaction will not complete until a buffer of the new size
// arrives. As some elements normally apply immediately, this enables
// freezing the total geometry of a surface until a resize is completed.
status_t setGeometryAppliesWithResize();
// Defers applying any changes made in this transaction until the Layer
// identified by handle reaches the given frameNumber
status_t deferTransactionUntil(const sp<IBinder>& handle, uint64_t frameNumber);
// Reparents all children of this layer to the new parent handle.
status_t reparentChildren(const sp<IBinder>& newParentHandle);
// Set an override scaling mode as documented in <system/window.h>
// the override scaling mode will take precedence over any client
// specified scaling mode. -1 will clear the override scaling mode.
status_t setOverrideScalingMode(int32_t overrideScalingMode);
static status_t writeSurfaceToParcel(
const sp<SurfaceControl>& control, Parcel* parcel);
sp<Surface> getSurface() const;
sp<IBinder> getHandle() const;
status_t clearLayerFrameStats() const;
status_t getLayerFrameStats(FrameStats* outStats) const;
status_t getTransformToDisplayInverse(bool* outTransformToDisplayInverse) const;
private:
// can't be copied
SurfaceControl& operator = (SurfaceControl& rhs);
SurfaceControl(const SurfaceControl& rhs);
friend class SurfaceComposerClient;
friend class Surface;
SurfaceControl(
const sp<SurfaceComposerClient>& client,
const sp<IBinder>& handle,
const sp<IGraphicBufferProducer>& gbp);
~SurfaceControl();
status_t validate() const;
void destroy();
sp<SurfaceComposerClient> mClient;
sp<IBinder> mHandle;
sp<IGraphicBufferProducer> mGraphicBufferProducer;
mutable Mutex mLock;
mutable sp<Surface> mSurfaceData;
};
}; // namespace android
#endif // ANDROID_GUI_SURFACE_CONTROL_H
|