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 DESTROY_SURFACE,
35 CLEAR_LAYER_FRAME_STATS,
36 GET_LAYER_FRAME_STATS,
37 LAST = GET_LAYER_FRAME_STATS,
38 };
39
40 } // Anonymous namespace
41
42 class BpSurfaceComposerClient : public SafeBpInterface<ISurfaceComposerClient> {
43 public:
BpSurfaceComposerClient(const sp<IBinder> & impl)44 explicit BpSurfaceComposerClient(const sp<IBinder>& impl)
45 : SafeBpInterface<ISurfaceComposerClient>(impl, "BpSurfaceComposerClient") {}
46
47 ~BpSurfaceComposerClient() override;
48
createSurface(const String8 & name,uint32_t width,uint32_t height,PixelFormat format,uint32_t flags,const sp<IBinder> & parent,int32_t windowType,int32_t ownerUid,sp<IBinder> * handle,sp<IGraphicBufferProducer> * gbp)49 status_t createSurface(const String8& name, uint32_t width, uint32_t height, PixelFormat format,
50 uint32_t flags, const sp<IBinder>& parent, int32_t windowType,
51 int32_t ownerUid, sp<IBinder>* handle,
52 sp<IGraphicBufferProducer>* gbp) override {
53 return callRemote<decltype(&ISurfaceComposerClient::createSurface)>(Tag::CREATE_SURFACE,
54 name, width, height,
55 format, flags, parent,
56 windowType, ownerUid,
57 handle, gbp);
58 }
59
destroySurface(const sp<IBinder> & handle)60 status_t destroySurface(const sp<IBinder>& handle) override {
61 return callRemote<decltype(&ISurfaceComposerClient::destroySurface)>(Tag::DESTROY_SURFACE,
62 handle);
63 }
64
clearLayerFrameStats(const sp<IBinder> & handle) const65 status_t clearLayerFrameStats(const sp<IBinder>& handle) const override {
66 return callRemote<decltype(
67 &ISurfaceComposerClient::clearLayerFrameStats)>(Tag::CLEAR_LAYER_FRAME_STATS,
68 handle);
69 }
70
getLayerFrameStats(const sp<IBinder> & handle,FrameStats * outStats) const71 status_t getLayerFrameStats(const sp<IBinder>& handle, FrameStats* outStats) const override {
72 return callRemote<decltype(
73 &ISurfaceComposerClient::getLayerFrameStats)>(Tag::GET_LAYER_FRAME_STATS, handle,
74 outStats);
75 }
76 };
77
78 // Out-of-line virtual method definition to trigger vtable emission in this
79 // translation unit (see clang warning -Wweak-vtables)
~BpSurfaceComposerClient()80 BpSurfaceComposerClient::~BpSurfaceComposerClient() {}
81
82 IMPLEMENT_META_INTERFACE(SurfaceComposerClient, "android.ui.ISurfaceComposerClient");
83
84 // ----------------------------------------------------------------------
85
onTransact(uint32_t code,const Parcel & data,Parcel * reply,uint32_t flags)86 status_t BnSurfaceComposerClient::onTransact(uint32_t code, const Parcel& data, Parcel* reply,
87 uint32_t flags) {
88 if (code < IBinder::FIRST_CALL_TRANSACTION || code > static_cast<uint32_t>(Tag::LAST)) {
89 return BBinder::onTransact(code, data, reply, flags);
90 }
91 auto tag = static_cast<Tag>(code);
92 switch (tag) {
93 case Tag::CREATE_SURFACE:
94 return callLocal(data, reply, &ISurfaceComposerClient::createSurface);
95 case Tag::DESTROY_SURFACE:
96 return callLocal(data, reply, &ISurfaceComposerClient::destroySurface);
97 case Tag::CLEAR_LAYER_FRAME_STATS:
98 return callLocal(data, reply, &ISurfaceComposerClient::clearLayerFrameStats);
99 case Tag::GET_LAYER_FRAME_STATS:
100 return callLocal(data, reply, &ISurfaceComposerClient::getLayerFrameStats);
101 }
102 }
103
104 } // namespace android
105