BufferQueue.cpp revision f0eaf25e9247edf4d124bedaeb863f7abdf35a3e 
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
59void BufferQueue::createBufferQueue(sp<IGraphicBufferProducer>* outProducer,
60        sp<IGraphicBufferConsumer>* outConsumer,
61        const sp<IGraphicBufferAlloc>& allocator) {
62    LOG_ALWAYS_FATAL_IF(outProducer == NULL,
63            "BufferQueue: outProducer must not be NULL");
64    LOG_ALWAYS_FATAL_IF(outConsumer == NULL,
65            "BufferQueue: outConsumer must not be NULL");
66
67    sp<BufferQueueCore> core(new BufferQueueCore(allocator));
68    *outProducer = new BufferQueueProducer(core);
69    *outConsumer = new BufferQueueConsumer(core);
70}
71
72BufferQueue::BufferQueue(const sp<IGraphicBufferAlloc>& allocator) :
73    mProducer(),
74    mConsumer()
75{
76    sp<BufferQueueCore> core(new BufferQueueCore(allocator));
77    mProducer = new BufferQueueProducer(core);
78    mConsumer = new BufferQueueConsumer(core);
79}
80
81BufferQueue::~BufferQueue() {}
82
83void BufferQueue::binderDied(const wp<IBinder>& who) {
84    mProducer->binderDied(who);
85}
86
87int BufferQueue::query(int what, int* outValue) {
88    return mProducer->query(what, outValue);
89}
90
91status_t BufferQueue::setBufferCount(int bufferCount) {
92    return mProducer->setBufferCount(bufferCount);
93}
94
95status_t BufferQueue::requestBuffer(int slot, sp<GraphicBuffer>* buf) {
96    return mProducer->requestBuffer(slot, buf);
97}
98
99status_t BufferQueue::dequeueBuffer(int *outBuf, sp<Fence>* outFence, bool async,
100        uint32_t w, uint32_t h, uint32_t format, uint32_t usage) {
101    return mProducer->dequeueBuffer(outBuf, outFence, async, w, h, format, usage);
102}
103
104status_t BufferQueue::detachProducerBuffer(int slot) {
105    return mProducer->detachBuffer(slot);
106}
107
108status_t BufferQueue::attachProducerBuffer(int* slot,
109        const sp<GraphicBuffer>& buffer) {
110    return mProducer->attachBuffer(slot, buffer);
111}
112
113status_t BufferQueue::queueBuffer(int buf,
114        const QueueBufferInput& input, QueueBufferOutput* output) {
115    return mProducer->queueBuffer(buf, input, output);
116}
117
118void BufferQueue::cancelBuffer(int buf, const sp<Fence>& fence) {
119    mProducer->cancelBuffer(buf, fence);
120}
121
122status_t BufferQueue::connect(const sp<IProducerListener>& listener,
123        int api, bool producerControlledByApp, QueueBufferOutput* output) {
124    return mProducer->connect(listener, api, producerControlledByApp, output);
125}
126
127status_t BufferQueue::disconnect(int api) {
128    return mProducer->disconnect(api);
129}
130
131status_t BufferQueue::setSidebandStream(const sp<NativeHandle>& stream) {
132    return mProducer->setSidebandStream(stream);
133}
134
135status_t BufferQueue::acquireBuffer(BufferItem* buffer, nsecs_t presentWhen) {
136    return mConsumer->acquireBuffer(buffer, presentWhen);
137}
138
139status_t BufferQueue::detachConsumerBuffer(int slot) {
140    return mConsumer->detachBuffer(slot);
141}
142
143status_t BufferQueue::attachConsumerBuffer(int* slot,
144        const sp<GraphicBuffer>& buffer) {
145    return mConsumer->attachBuffer(slot, buffer);
146}
147
148status_t BufferQueue::releaseBuffer(
149        int buf, uint64_t frameNumber, EGLDisplay display,
150        EGLSyncKHR eglFence, const sp<Fence>& fence) {
151    return mConsumer->releaseBuffer(buf, frameNumber, fence, display, eglFence);
152}
153
154status_t BufferQueue::consumerConnect(const sp<IConsumerListener>& consumerListener,
155        bool controlledByApp) {
156    return mConsumer->connect(consumerListener, controlledByApp);
157}
158
159status_t BufferQueue::consumerDisconnect() {
160    return mConsumer->disconnect();
161}
162
163status_t BufferQueue::getReleasedBuffers(uint32_t* slotMask) {
164    return mConsumer->getReleasedBuffers(slotMask);
165}
166
167status_t BufferQueue::setDefaultBufferSize(uint32_t w, uint32_t h) {
168    return mConsumer->setDefaultBufferSize(w, h);
169}
170
171status_t BufferQueue::setDefaultMaxBufferCount(int bufferCount) {
172    return mConsumer->setDefaultMaxBufferCount(bufferCount);
173}
174
175status_t BufferQueue::disableAsyncBuffer() {
176    return mConsumer->disableAsyncBuffer();
177}
178
179status_t BufferQueue::setMaxAcquiredBufferCount(int maxAcquiredBuffers) {
180    return mConsumer->setMaxAcquiredBufferCount(maxAcquiredBuffers);
181}
182
183void BufferQueue::setConsumerName(const String8& name) {
184    mConsumer->setConsumerName(name);
185}
186
187status_t BufferQueue::setDefaultBufferFormat(uint32_t defaultFormat) {
188    return mConsumer->setDefaultBufferFormat(defaultFormat);
189}
190
191status_t BufferQueue::setConsumerUsageBits(uint32_t usage) {
192    return mConsumer->setConsumerUsageBits(usage);
193}
194
195status_t BufferQueue::setTransformHint(uint32_t hint) {
196    return mConsumer->setTransformHint(hint);
197}
198
199sp<NativeHandle> BufferQueue::getSidebandStream() const {
200    return mConsumer->getSidebandStream();
201}
202
203void BufferQueue::dump(String8& result, const char* prefix) const {
204    mConsumer->dump(result, prefix);
205}
206
207void BufferQueue::ProxyConsumerListener::onSidebandStreamChanged() {
208    sp<ConsumerListener> listener(mConsumerListener.promote());
209    if (listener != NULL) {
210        listener->onSidebandStreamChanged();
211    }
212}
213
214}; // namespace android
215