1 /*
2 * Copyright (C) 2013 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 #include <gui/IGraphicBufferConsumer.h>
18
19 #include <gui/BufferItem.h>
20 #include <gui/IConsumerListener.h>
21
22 #include <binder/Parcel.h>
23
24 #include <ui/Fence.h>
25 #include <ui/GraphicBuffer.h>
26
27 #include <utils/NativeHandle.h>
28 #include <utils/String8.h>
29
30 namespace android {
31
32 namespace { // Anonymous namespace
33
34 enum class Tag : uint32_t {
35 ACQUIRE_BUFFER = IBinder::FIRST_CALL_TRANSACTION,
36 DETACH_BUFFER,
37 ATTACH_BUFFER,
38 RELEASE_BUFFER,
39 CONSUMER_CONNECT,
40 CONSUMER_DISCONNECT,
41 GET_RELEASED_BUFFERS,
42 SET_DEFAULT_BUFFER_SIZE,
43 SET_MAX_BUFFER_COUNT,
44 SET_MAX_ACQUIRED_BUFFER_COUNT,
45 SET_CONSUMER_NAME,
46 SET_DEFAULT_BUFFER_FORMAT,
47 SET_DEFAULT_BUFFER_DATA_SPACE,
48 SET_CONSUMER_USAGE_BITS,
49 SET_CONSUMER_IS_PROTECTED,
50 SET_TRANSFORM_HINT,
51 GET_SIDEBAND_STREAM,
52 GET_OCCUPANCY_HISTORY,
53 DISCARD_FREE_BUFFERS,
54 DUMP_STATE,
55 LAST = DUMP_STATE,
56 };
57
58 } // Anonymous namespace
59
60 class BpGraphicBufferConsumer : public SafeBpInterface<IGraphicBufferConsumer> {
61 public:
BpGraphicBufferConsumer(const sp<IBinder> & impl)62 explicit BpGraphicBufferConsumer(const sp<IBinder>& impl)
63 : SafeBpInterface<IGraphicBufferConsumer>(impl, "BpGraphicBufferConsumer") {}
64
65 ~BpGraphicBufferConsumer() override;
66
acquireBuffer(BufferItem * buffer,nsecs_t presentWhen,uint64_t maxFrameNumber)67 status_t acquireBuffer(BufferItem* buffer, nsecs_t presentWhen,
68 uint64_t maxFrameNumber) override {
69 using Signature = decltype(&IGraphicBufferConsumer::acquireBuffer);
70 return callRemote<Signature>(Tag::ACQUIRE_BUFFER, buffer, presentWhen, maxFrameNumber);
71 }
72
detachBuffer(int slot)73 status_t detachBuffer(int slot) override {
74 using Signature = decltype(&IGraphicBufferConsumer::detachBuffer);
75 return callRemote<Signature>(Tag::DETACH_BUFFER, slot);
76 }
77
attachBuffer(int * slot,const sp<GraphicBuffer> & buffer)78 status_t attachBuffer(int* slot, const sp<GraphicBuffer>& buffer) override {
79 using Signature = decltype(&IGraphicBufferConsumer::attachBuffer);
80 return callRemote<Signature>(Tag::ATTACH_BUFFER, slot, buffer);
81 }
82
releaseBuffer(int buf,uint64_t frameNumber,EGLDisplay display,EGLSyncKHR fence,const sp<Fence> & releaseFence)83 status_t releaseBuffer(int buf, uint64_t frameNumber,
84 EGLDisplay display __attribute__((unused)),
85 EGLSyncKHR fence __attribute__((unused)),
86 const sp<Fence>& releaseFence) override {
87 return callRemote<ReleaseBuffer>(Tag::RELEASE_BUFFER, buf, frameNumber, releaseFence);
88 }
89
consumerConnect(const sp<IConsumerListener> & consumer,bool controlledByApp)90 status_t consumerConnect(const sp<IConsumerListener>& consumer, bool controlledByApp) override {
91 using Signature = decltype(&IGraphicBufferConsumer::consumerConnect);
92 return callRemote<Signature>(Tag::CONSUMER_CONNECT, consumer, controlledByApp);
93 }
94
consumerDisconnect()95 status_t consumerDisconnect() override {
96 return callRemote<decltype(&IGraphicBufferConsumer::consumerDisconnect)>(
97 Tag::CONSUMER_DISCONNECT);
98 }
99
getReleasedBuffers(uint64_t * slotMask)100 status_t getReleasedBuffers(uint64_t* slotMask) override {
101 using Signature = decltype(&IGraphicBufferConsumer::getReleasedBuffers);
102 return callRemote<Signature>(Tag::GET_RELEASED_BUFFERS, slotMask);
103 }
104
setDefaultBufferSize(uint32_t width,uint32_t height)105 status_t setDefaultBufferSize(uint32_t width, uint32_t height) override {
106 using Signature = decltype(&IGraphicBufferConsumer::setDefaultBufferSize);
107 return callRemote<Signature>(Tag::SET_DEFAULT_BUFFER_SIZE, width, height);
108 }
109
setMaxBufferCount(int bufferCount)110 status_t setMaxBufferCount(int bufferCount) override {
111 using Signature = decltype(&IGraphicBufferConsumer::setMaxBufferCount);
112 return callRemote<Signature>(Tag::SET_MAX_BUFFER_COUNT, bufferCount);
113 }
114
setMaxAcquiredBufferCount(int maxAcquiredBuffers)115 status_t setMaxAcquiredBufferCount(int maxAcquiredBuffers) override {
116 using Signature = decltype(&IGraphicBufferConsumer::setMaxAcquiredBufferCount);
117 return callRemote<Signature>(Tag::SET_MAX_ACQUIRED_BUFFER_COUNT, maxAcquiredBuffers);
118 }
119
setConsumerName(const String8 & name)120 status_t setConsumerName(const String8& name) override {
121 using Signature = decltype(&IGraphicBufferConsumer::setConsumerName);
122 return callRemote<Signature>(Tag::SET_CONSUMER_NAME, name);
123 }
124
setDefaultBufferFormat(PixelFormat defaultFormat)125 status_t setDefaultBufferFormat(PixelFormat defaultFormat) override {
126 using Signature = decltype(&IGraphicBufferConsumer::setDefaultBufferFormat);
127 return callRemote<Signature>(Tag::SET_DEFAULT_BUFFER_FORMAT, defaultFormat);
128 }
129
setDefaultBufferDataSpace(android_dataspace defaultDataSpace)130 status_t setDefaultBufferDataSpace(android_dataspace defaultDataSpace) override {
131 using Signature = decltype(&IGraphicBufferConsumer::setDefaultBufferDataSpace);
132 return callRemote<Signature>(Tag::SET_DEFAULT_BUFFER_DATA_SPACE, defaultDataSpace);
133 }
134
setConsumerUsageBits(uint64_t usage)135 status_t setConsumerUsageBits(uint64_t usage) override {
136 using Signature = decltype(&IGraphicBufferConsumer::setConsumerUsageBits);
137 return callRemote<Signature>(Tag::SET_CONSUMER_USAGE_BITS, usage);
138 }
139
setConsumerIsProtected(bool isProtected)140 status_t setConsumerIsProtected(bool isProtected) override {
141 using Signature = decltype(&IGraphicBufferConsumer::setConsumerIsProtected);
142 return callRemote<Signature>(Tag::SET_CONSUMER_IS_PROTECTED, isProtected);
143 }
144
setTransformHint(uint32_t hint)145 status_t setTransformHint(uint32_t hint) override {
146 using Signature = decltype(&IGraphicBufferConsumer::setTransformHint);
147 return callRemote<Signature>(Tag::SET_TRANSFORM_HINT, hint);
148 }
149
getSidebandStream(sp<NativeHandle> * outStream) const150 status_t getSidebandStream(sp<NativeHandle>* outStream) const override {
151 using Signature = decltype(&IGraphicBufferConsumer::getSidebandStream);
152 return callRemote<Signature>(Tag::GET_SIDEBAND_STREAM, outStream);
153 }
154
getOccupancyHistory(bool forceFlush,std::vector<OccupancyTracker::Segment> * outHistory)155 status_t getOccupancyHistory(bool forceFlush,
156 std::vector<OccupancyTracker::Segment>* outHistory) override {
157 using Signature = decltype(&IGraphicBufferConsumer::getOccupancyHistory);
158 return callRemote<Signature>(Tag::GET_OCCUPANCY_HISTORY, forceFlush, outHistory);
159 }
160
discardFreeBuffers()161 status_t discardFreeBuffers() override {
162 return callRemote<decltype(&IGraphicBufferConsumer::discardFreeBuffers)>(
163 Tag::DISCARD_FREE_BUFFERS);
164 }
165
dumpState(const String8 & prefix,String8 * outResult) const166 status_t dumpState(const String8& prefix, String8* outResult) const override {
167 using Signature = status_t (IGraphicBufferConsumer::*)(const String8&, String8*) const;
168 return callRemote<Signature>(Tag::DUMP_STATE, prefix, outResult);
169 }
170 };
171
172 // Out-of-line virtual method definition to trigger vtable emission in this translation unit
173 // (see clang warning -Wweak-vtables)
174 BpGraphicBufferConsumer::~BpGraphicBufferConsumer() = default;
175
176 IMPLEMENT_META_INTERFACE(GraphicBufferConsumer, "android.gui.IGraphicBufferConsumer");
177
onTransact(uint32_t code,const Parcel & data,Parcel * reply,uint32_t flags)178 status_t BnGraphicBufferConsumer::onTransact(uint32_t code, const Parcel& data, Parcel* reply,
179 uint32_t flags) {
180 if (code < IBinder::FIRST_CALL_TRANSACTION || code > static_cast<uint32_t>(Tag::LAST)) {
181 return BBinder::onTransact(code, data, reply, flags);
182 }
183 auto tag = static_cast<Tag>(code);
184 switch (tag) {
185 case Tag::ACQUIRE_BUFFER:
186 return callLocal(data, reply, &IGraphicBufferConsumer::acquireBuffer);
187 case Tag::DETACH_BUFFER:
188 return callLocal(data, reply, &IGraphicBufferConsumer::detachBuffer);
189 case Tag::ATTACH_BUFFER:
190 return callLocal(data, reply, &IGraphicBufferConsumer::attachBuffer);
191 case Tag::RELEASE_BUFFER:
192 return callLocal(data, reply, &IGraphicBufferConsumer::releaseHelper);
193 case Tag::CONSUMER_CONNECT:
194 return callLocal(data, reply, &IGraphicBufferConsumer::consumerConnect);
195 case Tag::CONSUMER_DISCONNECT:
196 return callLocal(data, reply, &IGraphicBufferConsumer::consumerDisconnect);
197 case Tag::GET_RELEASED_BUFFERS:
198 return callLocal(data, reply, &IGraphicBufferConsumer::getReleasedBuffers);
199 case Tag::SET_DEFAULT_BUFFER_SIZE:
200 return callLocal(data, reply, &IGraphicBufferConsumer::setDefaultBufferSize);
201 case Tag::SET_MAX_BUFFER_COUNT:
202 return callLocal(data, reply, &IGraphicBufferConsumer::setMaxBufferCount);
203 case Tag::SET_MAX_ACQUIRED_BUFFER_COUNT:
204 return callLocal(data, reply, &IGraphicBufferConsumer::setMaxAcquiredBufferCount);
205 case Tag::SET_CONSUMER_NAME:
206 return callLocal(data, reply, &IGraphicBufferConsumer::setConsumerName);
207 case Tag::SET_DEFAULT_BUFFER_FORMAT:
208 return callLocal(data, reply, &IGraphicBufferConsumer::setDefaultBufferFormat);
209 case Tag::SET_DEFAULT_BUFFER_DATA_SPACE:
210 return callLocal(data, reply, &IGraphicBufferConsumer::setDefaultBufferDataSpace);
211 case Tag::SET_CONSUMER_USAGE_BITS:
212 return callLocal(data, reply, &IGraphicBufferConsumer::setConsumerUsageBits);
213 case Tag::SET_CONSUMER_IS_PROTECTED:
214 return callLocal(data, reply, &IGraphicBufferConsumer::setConsumerIsProtected);
215 case Tag::SET_TRANSFORM_HINT:
216 return callLocal(data, reply, &IGraphicBufferConsumer::setTransformHint);
217 case Tag::GET_SIDEBAND_STREAM:
218 return callLocal(data, reply, &IGraphicBufferConsumer::getSidebandStream);
219 case Tag::GET_OCCUPANCY_HISTORY:
220 return callLocal(data, reply, &IGraphicBufferConsumer::getOccupancyHistory);
221 case Tag::DISCARD_FREE_BUFFERS:
222 return callLocal(data, reply, &IGraphicBufferConsumer::discardFreeBuffers);
223 case Tag::DUMP_STATE: {
224 using Signature = status_t (IGraphicBufferConsumer::*)(const String8&, String8*) const;
225 return callLocal<Signature>(data, reply, &IGraphicBufferConsumer::dumpState);
226 }
227 }
228 }
229
230 } // namespace android
231