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
|
/*
* 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.
*/
// tag as surfaceflinger
#define LOG_TAG "SurfaceFlinger"
#include <stdio.h>
#include <stdint.h>
#include <sys/types.h>
#include <binder/Parcel.h>
#include <binder/IMemory.h>
#include <binder/IPCThreadState.h>
#include <binder/IServiceManager.h>
#include <ui/Point.h>
#include <ui/Rect.h>
#include <gui/ISurface.h>
#include <gui/ISurfaceComposerClient.h>
#include <private/gui/LayerState.h>
// ---------------------------------------------------------------------------
namespace android {
enum {
CREATE_SURFACE = IBinder::FIRST_CALL_TRANSACTION,
DESTROY_SURFACE
};
class BpSurfaceComposerClient : public BpInterface<ISurfaceComposerClient>
{
public:
BpSurfaceComposerClient(const sp<IBinder>& impl)
: BpInterface<ISurfaceComposerClient>(impl)
{
}
virtual sp<ISurface> createSurface( surface_data_t* params,
const String8& name,
DisplayID display,
uint32_t w,
uint32_t h,
PixelFormat format,
uint32_t flags)
{
Parcel data, reply;
data.writeInterfaceToken(ISurfaceComposerClient::getInterfaceDescriptor());
data.writeString8(name);
data.writeInt32(display);
data.writeInt32(w);
data.writeInt32(h);
data.writeInt32(format);
data.writeInt32(flags);
remote()->transact(CREATE_SURFACE, data, &reply);
params->readFromParcel(reply);
return interface_cast<ISurface>(reply.readStrongBinder());
}
virtual status_t destroySurface(SurfaceID sid)
{
Parcel data, reply;
data.writeInterfaceToken(ISurfaceComposerClient::getInterfaceDescriptor());
data.writeInt32(sid);
remote()->transact(DESTROY_SURFACE, data, &reply);
return reply.readInt32();
}
};
IMPLEMENT_META_INTERFACE(SurfaceComposerClient, "android.ui.ISurfaceComposerClient");
// ----------------------------------------------------------------------
status_t BnSurfaceComposerClient::onTransact(
uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
{
switch(code) {
case CREATE_SURFACE: {
CHECK_INTERFACE(ISurfaceComposerClient, data, reply);
surface_data_t params;
String8 name = data.readString8();
DisplayID display = data.readInt32();
uint32_t w = data.readInt32();
uint32_t h = data.readInt32();
PixelFormat format = data.readInt32();
uint32_t flags = data.readInt32();
sp<ISurface> s = createSurface(¶ms, name, display, w, h,
format, flags);
params.writeToParcel(reply);
reply->writeStrongBinder(s->asBinder());
return NO_ERROR;
} break;
case DESTROY_SURFACE: {
CHECK_INTERFACE(ISurfaceComposerClient, data, reply);
reply->writeInt32( destroySurface( data.readInt32() ) );
return NO_ERROR;
} break;
default:
return BBinder::onTransact(code, data, reply, flags);
}
}
// ----------------------------------------------------------------------
status_t ISurfaceComposerClient::surface_data_t::readFromParcel(const Parcel& parcel)
{
token = parcel.readInt32();
identity = parcel.readInt32();
return NO_ERROR;
}
status_t ISurfaceComposerClient::surface_data_t::writeToParcel(Parcel* parcel) const
{
parcel->writeInt32(token);
parcel->writeInt32(identity);
return NO_ERROR;
}
}; // namespace android
|
