1 /*
2 * Copyright (C) 2012 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 #define LOG_TAG "BufferQueue"
18 #define ATRACE_TAG ATRACE_TAG_GRAPHICS
19 //#define LOG_NDEBUG 0
20
21 #ifndef NO_BUFFERHUB
22 #include <gui/BufferHubConsumer.h>
23 #include <gui/BufferHubProducer.h>
24 #endif
25
26 #include <gui/BufferQueue.h>
27 #include <gui/BufferQueueConsumer.h>
28 #include <gui/BufferQueueCore.h>
29 #include <gui/BufferQueueProducer.h>
30
31 namespace android {
32
ProxyConsumerListener(const wp<ConsumerListener> & consumerListener)33 BufferQueue::ProxyConsumerListener::ProxyConsumerListener(
34 const wp<ConsumerListener>& consumerListener):
35 mConsumerListener(consumerListener) {}
36
~ProxyConsumerListener()37 BufferQueue::ProxyConsumerListener::~ProxyConsumerListener() {}
38
onDisconnect()39 void BufferQueue::ProxyConsumerListener::onDisconnect() {
40 sp<ConsumerListener> listener(mConsumerListener.promote());
41 if (listener != nullptr) {
42 listener->onDisconnect();
43 }
44 }
45
onFrameAvailable(const BufferItem & item)46 void BufferQueue::ProxyConsumerListener::onFrameAvailable(
47 const BufferItem& item) {
48 sp<ConsumerListener> listener(mConsumerListener.promote());
49 if (listener != nullptr) {
50 listener->onFrameAvailable(item);
51 }
52 }
53
onFrameReplaced(const BufferItem & item)54 void BufferQueue::ProxyConsumerListener::onFrameReplaced(
55 const BufferItem& item) {
56 sp<ConsumerListener> listener(mConsumerListener.promote());
57 if (listener != nullptr) {
58 listener->onFrameReplaced(item);
59 }
60 }
61
onBuffersReleased()62 void BufferQueue::ProxyConsumerListener::onBuffersReleased() {
63 sp<ConsumerListener> listener(mConsumerListener.promote());
64 if (listener != nullptr) {
65 listener->onBuffersReleased();
66 }
67 }
68
onSidebandStreamChanged()69 void BufferQueue::ProxyConsumerListener::onSidebandStreamChanged() {
70 sp<ConsumerListener> listener(mConsumerListener.promote());
71 if (listener != nullptr) {
72 listener->onSidebandStreamChanged();
73 }
74 }
75
addAndGetFrameTimestamps(const NewFrameEventsEntry * newTimestamps,FrameEventHistoryDelta * outDelta)76 void BufferQueue::ProxyConsumerListener::addAndGetFrameTimestamps(
77 const NewFrameEventsEntry* newTimestamps,
78 FrameEventHistoryDelta* outDelta) {
79 sp<ConsumerListener> listener(mConsumerListener.promote());
80 if (listener != nullptr) {
81 listener->addAndGetFrameTimestamps(newTimestamps, outDelta);
82 }
83 }
84
createBufferQueue(sp<IGraphicBufferProducer> * outProducer,sp<IGraphicBufferConsumer> * outConsumer,bool consumerIsSurfaceFlinger)85 void BufferQueue::createBufferQueue(sp<IGraphicBufferProducer>* outProducer,
86 sp<IGraphicBufferConsumer>* outConsumer,
87 bool consumerIsSurfaceFlinger) {
88 LOG_ALWAYS_FATAL_IF(outProducer == nullptr,
89 "BufferQueue: outProducer must not be NULL");
90 LOG_ALWAYS_FATAL_IF(outConsumer == nullptr,
91 "BufferQueue: outConsumer must not be NULL");
92
93 sp<BufferQueueCore> core(new BufferQueueCore());
94 LOG_ALWAYS_FATAL_IF(core == nullptr,
95 "BufferQueue: failed to create BufferQueueCore");
96
97 sp<IGraphicBufferProducer> producer(new BufferQueueProducer(core, consumerIsSurfaceFlinger));
98 LOG_ALWAYS_FATAL_IF(producer == nullptr,
99 "BufferQueue: failed to create BufferQueueProducer");
100
101 sp<IGraphicBufferConsumer> consumer(new BufferQueueConsumer(core));
102 LOG_ALWAYS_FATAL_IF(consumer == nullptr,
103 "BufferQueue: failed to create BufferQueueConsumer");
104
105 *outProducer = producer;
106 *outConsumer = consumer;
107 }
108
109 #ifndef NO_BUFFERHUB
createBufferHubQueue(sp<IGraphicBufferProducer> * outProducer,sp<IGraphicBufferConsumer> * outConsumer)110 void BufferQueue::createBufferHubQueue(sp<IGraphicBufferProducer>* outProducer,
111 sp<IGraphicBufferConsumer>* outConsumer) {
112 LOG_ALWAYS_FATAL_IF(outProducer == nullptr, "BufferQueue: outProducer must not be NULL");
113 LOG_ALWAYS_FATAL_IF(outConsumer == nullptr, "BufferQueue: outConsumer must not be NULL");
114
115 sp<IGraphicBufferProducer> producer;
116 sp<IGraphicBufferConsumer> consumer;
117
118 dvr::ProducerQueueConfigBuilder configBuilder;
119 std::shared_ptr<dvr::ProducerQueue> producerQueue =
120 dvr::ProducerQueue::Create(configBuilder.Build(), dvr::UsagePolicy{});
121 LOG_ALWAYS_FATAL_IF(producerQueue == nullptr, "BufferQueue: failed to create ProducerQueue.");
122
123 std::shared_ptr<dvr::ConsumerQueue> consumerQueue = producerQueue->CreateConsumerQueue();
124 LOG_ALWAYS_FATAL_IF(consumerQueue == nullptr, "BufferQueue: failed to create ConsumerQueue.");
125
126 producer = BufferHubProducer::Create(producerQueue);
127 consumer = BufferHubConsumer::Create(consumerQueue);
128
129 LOG_ALWAYS_FATAL_IF(producer == nullptr, "BufferQueue: failed to create BufferQueueProducer");
130 LOG_ALWAYS_FATAL_IF(consumer == nullptr, "BufferQueue: failed to create BufferQueueConsumer");
131
132 *outProducer = producer;
133 *outConsumer = consumer;
134 }
135 #endif
136
137 }; // namespace android
138