1 /*
2 * Copyright (C) 2007 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 // tag as surfaceflinger
18 #define LOG_TAG "SurfaceFlinger"
19
20 #include <gui/ISurfaceComposerClient.h>
21
22 #include <gui/IGraphicBufferProducer.h>
23
24 #include <binder/SafeInterface.h>
25
26 #include <ui/FrameStats.h>
27
28 namespace android {
29
30 namespace { // Anonymous
31
32 enum class Tag : uint32_t {
33 CREATE_SURFACE = IBinder::FIRST_CALL_TRANSACTION,
34 CREATE_WITH_SURFACE_PARENT,
35 CLEAR_LAYER_FRAME_STATS,
36 GET_LAYER_FRAME_STATS,
37 MIRROR_SURFACE,
38 LAST = MIRROR_SURFACE,
39 };
40
41 } // Anonymous namespace
42
43 class BpSurfaceComposerClient : public SafeBpInterface<ISurfaceComposerClient> {
44 public:
BpSurfaceComposerClient(const sp<IBinder> & impl)45 explicit BpSurfaceComposerClient(const sp<IBinder>& impl)
46 : SafeBpInterface<ISurfaceComposerClient>(impl, "BpSurfaceComposerClient") {}
47
48 ~BpSurfaceComposerClient() override;
49
createSurface(const String8 & name,uint32_t width,uint32_t height,PixelFormat format,uint32_t flags,const sp<IBinder> & parent,LayerMetadata metadata,sp<IBinder> * handle,sp<IGraphicBufferProducer> * gbp,int32_t * outLayerId,uint32_t * outTransformHint)50 status_t createSurface(const String8& name, uint32_t width, uint32_t height, PixelFormat format,
51 uint32_t flags, const sp<IBinder>& parent, LayerMetadata metadata,
52 sp<IBinder>* handle, sp<IGraphicBufferProducer>* gbp,
53 int32_t* outLayerId, uint32_t* outTransformHint) override {
54 return callRemote<decltype(&ISurfaceComposerClient::createSurface)>(Tag::CREATE_SURFACE,
55 name, width, height,
56 format, flags, parent,
57 std::move(metadata),
58 handle, gbp, outLayerId,
59 outTransformHint);
60 }
61
createWithSurfaceParent(const String8 & name,uint32_t width,uint32_t height,PixelFormat format,uint32_t flags,const sp<IGraphicBufferProducer> & parent,LayerMetadata metadata,sp<IBinder> * handle,sp<IGraphicBufferProducer> * gbp,int32_t * outLayerId,uint32_t * outTransformHint)62 status_t createWithSurfaceParent(const String8& name, uint32_t width, uint32_t height,
63 PixelFormat format, uint32_t flags,
64 const sp<IGraphicBufferProducer>& parent,
65 LayerMetadata metadata, sp<IBinder>* handle,
66 sp<IGraphicBufferProducer>* gbp, int32_t* outLayerId,
67 uint32_t* outTransformHint) override {
68 return callRemote<decltype(
69 &ISurfaceComposerClient::createWithSurfaceParent)>(Tag::CREATE_WITH_SURFACE_PARENT,
70 name, width, height, format,
71 flags, parent,
72 std::move(metadata), handle, gbp,
73 outLayerId, outTransformHint);
74 }
75
clearLayerFrameStats(const sp<IBinder> & handle) const76 status_t clearLayerFrameStats(const sp<IBinder>& handle) const override {
77 return callRemote<decltype(
78 &ISurfaceComposerClient::clearLayerFrameStats)>(Tag::CLEAR_LAYER_FRAME_STATS,
79 handle);
80 }
81
getLayerFrameStats(const sp<IBinder> & handle,FrameStats * outStats) const82 status_t getLayerFrameStats(const sp<IBinder>& handle, FrameStats* outStats) const override {
83 return callRemote<decltype(
84 &ISurfaceComposerClient::getLayerFrameStats)>(Tag::GET_LAYER_FRAME_STATS, handle,
85 outStats);
86 }
87
mirrorSurface(const sp<IBinder> & mirrorFromHandle,sp<IBinder> * outHandle,int32_t * outLayerId)88 status_t mirrorSurface(const sp<IBinder>& mirrorFromHandle, sp<IBinder>* outHandle,
89 int32_t* outLayerId) override {
90 return callRemote<decltype(&ISurfaceComposerClient::mirrorSurface)>(Tag::MIRROR_SURFACE,
91 mirrorFromHandle,
92 outHandle, outLayerId);
93 }
94 };
95
96 // Out-of-line virtual method definition to trigger vtable emission in this
97 // translation unit (see clang warning -Wweak-vtables)
~BpSurfaceComposerClient()98 BpSurfaceComposerClient::~BpSurfaceComposerClient() {}
99
100 IMPLEMENT_META_INTERFACE(SurfaceComposerClient, "android.ui.ISurfaceComposerClient");
101
102 // ----------------------------------------------------------------------
103
onTransact(uint32_t code,const Parcel & data,Parcel * reply,uint32_t flags)104 status_t BnSurfaceComposerClient::onTransact(uint32_t code, const Parcel& data, Parcel* reply,
105 uint32_t flags) {
106 if (code < IBinder::FIRST_CALL_TRANSACTION || code > static_cast<uint32_t>(Tag::LAST)) {
107 return BBinder::onTransact(code, data, reply, flags);
108 }
109 auto tag = static_cast<Tag>(code);
110 switch (tag) {
111 case Tag::CREATE_SURFACE:
112 return callLocal(data, reply, &ISurfaceComposerClient::createSurface);
113 case Tag::CREATE_WITH_SURFACE_PARENT:
114 return callLocal(data, reply, &ISurfaceComposerClient::createWithSurfaceParent);
115 case Tag::CLEAR_LAYER_FRAME_STATS:
116 return callLocal(data, reply, &ISurfaceComposerClient::clearLayerFrameStats);
117 case Tag::GET_LAYER_FRAME_STATS:
118 return callLocal(data, reply, &ISurfaceComposerClient::getLayerFrameStats);
119 case Tag::MIRROR_SURFACE:
120 return callLocal(data, reply, &ISurfaceComposerClient::mirrorSurface);
121 }
122 }
123
124 } // namespace android
125