BufferQueue.cpp revision 9f3053de78630815d60cf48a2cf2348cc5867c45 
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/BufferQueueCore.h>
23
24namespace android {
25
26BufferQueue::ProxyConsumerListener::ProxyConsumerListener(
27        const wp<ConsumerListener>& consumerListener):
28        mConsumerListener(consumerListener) {}
29
30BufferQueue::ProxyConsumerListener::~ProxyConsumerListener() {}
31
32void BufferQueue::ProxyConsumerListener::onFrameAvailable() {
33    sp<ConsumerListener> listener(mConsumerListener.promote());
34    if (listener != NULL) {
35        listener->onFrameAvailable();
36    }
37}
38
39void BufferQueue::ProxyConsumerListener::onBuffersReleased() {
40    sp<ConsumerListener> listener(mConsumerListener.promote());
41    if (listener != NULL) {
42        listener->onBuffersReleased();
43    }
44}
45
46void BufferQueue::createBufferQueue(sp<BnGraphicBufferProducer>* outProducer,
47        sp<BnGraphicBufferConsumer>* outConsumer,
48        const sp<IGraphicBufferAlloc>& allocator) {
49    LOG_ALWAYS_FATAL_IF(outProducer == NULL,
50            "BufferQueue: outProducer must not be NULL");
51    LOG_ALWAYS_FATAL_IF(outConsumer == NULL,
52            "BufferQueue: outConsumer must not be NULL");
53
54    sp<BufferQueueCore> core(new BufferQueueCore(allocator));
55    *outProducer = new BufferQueueProducer(core);
56    *outConsumer = new BufferQueueConsumer(core);
57}
58
59BufferQueue::BufferQueue(const sp<IGraphicBufferAlloc>& allocator) :
60    mProducer(),
61    mConsumer()
62{
63    sp<BufferQueueCore> core(new BufferQueueCore(allocator));
64    mProducer = new BufferQueueProducer(core);
65    mConsumer = new BufferQueueConsumer(core);
66}
67
68BufferQueue::~BufferQueue() {}
69
70void BufferQueue::binderDied(const wp<IBinder>& who) {
71    mProducer->binderDied(who);
72}
73
74int BufferQueue::query(int what, int* outValue) {
75    return mProducer->query(what, outValue);
76}
77
78status_t BufferQueue::setBufferCount(int bufferCount) {
79    return mProducer->setBufferCount(bufferCount);
80}
81
82status_t BufferQueue::requestBuffer(int slot, sp<GraphicBuffer>* buf) {
83    return mProducer->requestBuffer(slot, buf);
84}
85
86status_t BufferQueue::dequeueBuffer(int *outBuf, sp<Fence>* outFence, bool async,
87        uint32_t w, uint32_t h, uint32_t format, uint32_t usage) {
88    return mProducer->dequeueBuffer(outBuf, outFence, async, w, h, format, usage);
89}
90
91status_t BufferQueue::detachProducerBuffer(int slot) {
92    return mProducer->detachBuffer(slot);
93}
94
95status_t BufferQueue::attachProducerBuffer(int* slot,
96        const sp<GraphicBuffer>& buffer) {
97    return mProducer->attachBuffer(slot, buffer);
98}
99
100status_t BufferQueue::queueBuffer(int buf,
101        const QueueBufferInput& input, QueueBufferOutput* output) {
102    return mProducer->queueBuffer(buf, input, output);
103}
104
105void BufferQueue::cancelBuffer(int buf, const sp<Fence>& fence) {
106    mProducer->cancelBuffer(buf, fence);
107}
108
109status_t BufferQueue::connect(const sp<IBinder>& token,
110        int api, bool producerControlledByApp, QueueBufferOutput* output) {
111    return mProducer->connect(token, api, producerControlledByApp, output);
112}
113
114status_t BufferQueue::disconnect(int api) {
115    return mProducer->disconnect(api);
116}
117
118status_t BufferQueue::acquireBuffer(BufferItem* buffer, nsecs_t presentWhen) {
119    return mConsumer->acquireBuffer(buffer, presentWhen);
120}
121
122status_t BufferQueue::detachConsumerBuffer(int slot) {
123    return mConsumer->detachBuffer(slot);
124}
125
126status_t BufferQueue::attachConsumerBuffer(int* slot,
127        const sp<GraphicBuffer>& buffer) {
128    return mConsumer->attachBuffer(slot, buffer);
129}
130
131status_t BufferQueue::releaseBuffer(
132        int buf, uint64_t frameNumber, EGLDisplay display,
133        EGLSyncKHR eglFence, const sp<Fence>& fence) {
134    return mConsumer->releaseBuffer(buf, frameNumber, fence, display, eglFence);
135}
136
137status_t BufferQueue::consumerConnect(const sp<IConsumerListener>& consumerListener,
138        bool controlledByApp) {
139    return mConsumer->connect(consumerListener, controlledByApp);
140}
141
142status_t BufferQueue::consumerDisconnect() {
143    return mConsumer->disconnect();
144}
145
146status_t BufferQueue::getReleasedBuffers(uint32_t* slotMask) {
147    return mConsumer->getReleasedBuffers(slotMask);
148}
149
150status_t BufferQueue::setDefaultBufferSize(uint32_t w, uint32_t h) {
151    return mConsumer->setDefaultBufferSize(w, h);
152}
153
154status_t BufferQueue::setDefaultMaxBufferCount(int bufferCount) {
155    return mConsumer->setDefaultMaxBufferCount(bufferCount);
156}
157
158status_t BufferQueue::disableAsyncBuffer() {
159    return mConsumer->disableAsyncBuffer();
160}
161
162status_t BufferQueue::setMaxAcquiredBufferCount(int maxAcquiredBuffers) {
163    return mConsumer->setMaxAcquiredBufferCount(maxAcquiredBuffers);
164}
165
166void BufferQueue::setConsumerName(const String8& name) {
167    mConsumer->setConsumerName(name);
168}
169
170status_t BufferQueue::setDefaultBufferFormat(uint32_t defaultFormat) {
171    return mConsumer->setDefaultBufferFormat(defaultFormat);
172}
173
174status_t BufferQueue::setConsumerUsageBits(uint32_t usage) {
175    return mConsumer->setConsumerUsageBits(usage);
176}
177
178status_t BufferQueue::setTransformHint(uint32_t hint) {
179    return mConsumer->setTransformHint(hint);
180}
181
182void BufferQueue::dump(String8& result, const char* prefix) const {
183    mConsumer->dump(result, prefix);
184}
185
186}; // namespace android
187