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
|
/*
* Copyright (C) 2012 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.
*/
#include <stdint.h>
#include <sys/types.h>
#include <binder/IPCThreadState.h>
#include <private/android_filesystem_config.h>
#include "Client.h"
#include "Layer.h"
#include "SurfaceFlinger.h"
namespace android {
// ---------------------------------------------------------------------------
const String16 sAccessSurfaceFlinger("android.permission.ACCESS_SURFACE_FLINGER");
// ---------------------------------------------------------------------------
Client::Client(const sp<SurfaceFlinger>& flinger)
: mFlinger(flinger)
{
}
status_t Client::initCheck() const {
return NO_ERROR;
}
void Client::attachLayer(const sp<IBinder>& handle, const sp<Layer>& layer)
{
Mutex::Autolock _l(mLock);
mLayers.add(handle, layer);
}
void Client::detachLayer(const Layer* layer)
{
Mutex::Autolock _l(mLock);
// we do a linear search here, because this doesn't happen often
const size_t count = mLayers.size();
for (size_t i=0 ; i<count ; i++) {
if (mLayers.valueAt(i) == layer) {
mLayers.removeItemsAt(i, 1);
break;
}
}
}
sp<Layer> Client::getLayerUser(const sp<IBinder>& handle) const
{
Mutex::Autolock _l(mLock);
sp<Layer> lbc;
wp<Layer> layer(mLayers.valueFor(handle));
if (layer != 0) {
lbc = layer.promote();
ALOGE_IF(lbc==0, "getLayerUser(name=%p) is dead", handle.get());
}
return lbc;
}
status_t Client::createSurface(const String8& name, uint32_t /* w */, uint32_t /* h */,
PixelFormat /* format */, uint32_t flags,
const sp<IBinder>& parentHandle, LayerMetadata metadata,
sp<IBinder>* outHandle, sp<IGraphicBufferProducer>* /* gbp */,
int32_t* outLayerId, uint32_t* outTransformHint) {
// We rely on createLayer to check permissions.
LayerCreationArgs args(mFlinger.get(), this, name.c_str(), flags, std::move(metadata));
return mFlinger->createLayer(args, outHandle, parentHandle, outLayerId, nullptr,
outTransformHint);
}
status_t Client::createWithSurfaceParent(const String8& /* name */, uint32_t /* w */,
uint32_t /* h */, PixelFormat /* format */,
uint32_t /* flags */,
const sp<IGraphicBufferProducer>& /* parent */,
LayerMetadata /* metadata */, sp<IBinder>* /* handle */,
sp<IGraphicBufferProducer>* /* gbp */,
int32_t* /* outLayerId */,
uint32_t* /* outTransformHint */) {
// This api does not make sense with blast since SF no longer tracks IGBP. This api should be
// removed.
return BAD_VALUE;
}
status_t Client::mirrorSurface(const sp<IBinder>& mirrorFromHandle, sp<IBinder>* outHandle,
int32_t* outLayerId) {
LayerCreationArgs args(mFlinger.get(), this, "MirrorRoot", 0 /* flags */, LayerMetadata());
return mFlinger->mirrorLayer(args, mirrorFromHandle, outHandle, outLayerId);
}
status_t Client::clearLayerFrameStats(const sp<IBinder>& handle) const {
sp<Layer> layer = getLayerUser(handle);
if (layer == nullptr) {
return NAME_NOT_FOUND;
}
layer->clearFrameStats();
return NO_ERROR;
}
status_t Client::getLayerFrameStats(const sp<IBinder>& handle, FrameStats* outStats) const {
sp<Layer> layer = getLayerUser(handle);
if (layer == nullptr) {
return NAME_NOT_FOUND;
}
layer->getFrameStats(outStats);
return NO_ERROR;
}
// ---------------------------------------------------------------------------
}; // namespace android
|