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 #include <gui/BufferQueue.h>
22 #include <gui/BufferQueueConsumer.h>
23 #include <gui/BufferQueueCore.h>
24 #include <gui/BufferQueueProducer.h>
25
26 namespace android {
27
ProxyConsumerListener(const wp<ConsumerListener> & consumerListener)28 BufferQueue::ProxyConsumerListener::ProxyConsumerListener(
29 const wp<ConsumerListener>& consumerListener):
30 mConsumerListener(consumerListener) {}
31
~ProxyConsumerListener()32 BufferQueue::ProxyConsumerListener::~ProxyConsumerListener() {}
33
onDisconnect()34 void BufferQueue::ProxyConsumerListener::onDisconnect() {
35 sp<ConsumerListener> listener(mConsumerListener.promote());
36 if (listener != nullptr) {
37 listener->onDisconnect();
38 }
39 }
40
onFrameDequeued(const uint64_t bufferId)41 void BufferQueue::ProxyConsumerListener::onFrameDequeued(const uint64_t bufferId) {
42 sp<ConsumerListener> listener(mConsumerListener.promote());
43 if (listener != nullptr) {
44 listener->onFrameDequeued(bufferId);
45 }
46 }
47
onFrameCancelled(const uint64_t bufferId)48 void BufferQueue::ProxyConsumerListener::onFrameCancelled(const uint64_t bufferId) {
49 sp<ConsumerListener> listener(mConsumerListener.promote());
50 if (listener != nullptr) {
51 listener->onFrameCancelled(bufferId);
52 }
53 }
54
onFrameDetached(const uint64_t bufferId)55 void BufferQueue::ProxyConsumerListener::onFrameDetached(const uint64_t bufferId) {
56 sp<ConsumerListener> listener(mConsumerListener.promote());
57 if (listener != nullptr) {
58 listener->onFrameDetached(bufferId);
59 }
60 }
61
onFrameAvailable(const BufferItem & item)62 void BufferQueue::ProxyConsumerListener::onFrameAvailable(
63 const BufferItem& item) {
64 sp<ConsumerListener> listener(mConsumerListener.promote());
65 if (listener != nullptr) {
66 listener->onFrameAvailable(item);
67 }
68 }
69
onFrameReplaced(const BufferItem & item)70 void BufferQueue::ProxyConsumerListener::onFrameReplaced(
71 const BufferItem& item) {
72 sp<ConsumerListener> listener(mConsumerListener.promote());
73 if (listener != nullptr) {
74 listener->onFrameReplaced(item);
75 }
76 }
77
onBuffersReleased()78 void BufferQueue::ProxyConsumerListener::onBuffersReleased() {
79 sp<ConsumerListener> listener(mConsumerListener.promote());
80 if (listener != nullptr) {
81 listener->onBuffersReleased();
82 }
83 }
84
onSidebandStreamChanged()85 void BufferQueue::ProxyConsumerListener::onSidebandStreamChanged() {
86 sp<ConsumerListener> listener(mConsumerListener.promote());
87 if (listener != nullptr) {
88 listener->onSidebandStreamChanged();
89 }
90 }
91
addAndGetFrameTimestamps(const NewFrameEventsEntry * newTimestamps,FrameEventHistoryDelta * outDelta)92 void BufferQueue::ProxyConsumerListener::addAndGetFrameTimestamps(
93 const NewFrameEventsEntry* newTimestamps,
94 FrameEventHistoryDelta* outDelta) {
95 sp<ConsumerListener> listener(mConsumerListener.promote());
96 if (listener != nullptr) {
97 listener->addAndGetFrameTimestamps(newTimestamps, outDelta);
98 }
99 }
100
101 #if COM_ANDROID_GRAPHICS_LIBGUI_FLAGS(BQ_SETFRAMERATE)
onSetFrameRate(float frameRate,int8_t compatibility,int8_t changeFrameRateStrategy)102 void BufferQueue::ProxyConsumerListener::onSetFrameRate(float frameRate, int8_t compatibility,
103 int8_t changeFrameRateStrategy) {
104 sp<ConsumerListener> listener(mConsumerListener.promote());
105 if (listener != nullptr) {
106 listener->onSetFrameRate(frameRate, compatibility, changeFrameRateStrategy);
107 }
108 }
109 #endif
110
createBufferQueue(sp<IGraphicBufferProducer> * outProducer,sp<IGraphicBufferConsumer> * outConsumer,bool consumerIsSurfaceFlinger)111 void BufferQueue::createBufferQueue(sp<IGraphicBufferProducer>* outProducer,
112 sp<IGraphicBufferConsumer>* outConsumer,
113 bool consumerIsSurfaceFlinger) {
114 LOG_ALWAYS_FATAL_IF(outProducer == nullptr,
115 "BufferQueue: outProducer must not be NULL");
116 LOG_ALWAYS_FATAL_IF(outConsumer == nullptr,
117 "BufferQueue: outConsumer must not be NULL");
118
119 sp<BufferQueueCore> core(new BufferQueueCore());
120 LOG_ALWAYS_FATAL_IF(core == nullptr,
121 "BufferQueue: failed to create BufferQueueCore");
122
123 sp<IGraphicBufferProducer> producer(new BufferQueueProducer(core, consumerIsSurfaceFlinger));
124 LOG_ALWAYS_FATAL_IF(producer == nullptr,
125 "BufferQueue: failed to create BufferQueueProducer");
126
127 sp<IGraphicBufferConsumer> consumer(new BufferQueueConsumer(core));
128 LOG_ALWAYS_FATAL_IF(consumer == nullptr,
129 "BufferQueue: failed to create BufferQueueConsumer");
130
131 *outProducer = producer;
132 *outConsumer = consumer;
133 }
134
135 }; // namespace android
136