| /* |
| * Copyright (C) 2012 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #define LOG_TAG "BufferQueue" |
| #define ATRACE_TAG ATRACE_TAG_GRAPHICS |
| //#define LOG_NDEBUG 0 |
| |
| #include <gui/BufferQueue.h> |
| #include <gui/BufferQueueConsumer.h> |
| #include <gui/BufferQueueCore.h> |
| #include <gui/BufferQueueProducer.h> |
| |
| namespace android { |
| |
| BufferQueue::ProxyConsumerListener::ProxyConsumerListener( |
| const wp<ConsumerListener>& consumerListener): |
| mConsumerListener(consumerListener) {} |
| |
| BufferQueue::ProxyConsumerListener::~ProxyConsumerListener() {} |
| |
| void BufferQueue::ProxyConsumerListener::onDisconnect() { |
| sp<ConsumerListener> listener(mConsumerListener.promote()); |
| if (listener != NULL) { |
| listener->onDisconnect(); |
| } |
| } |
| |
| void BufferQueue::ProxyConsumerListener::onFrameAvailable( |
| const BufferItem& item) { |
| sp<ConsumerListener> listener(mConsumerListener.promote()); |
| if (listener != NULL) { |
| listener->onFrameAvailable(item); |
| } |
| } |
| |
| void BufferQueue::ProxyConsumerListener::onFrameReplaced( |
| const BufferItem& item) { |
| sp<ConsumerListener> listener(mConsumerListener.promote()); |
| if (listener != NULL) { |
| listener->onFrameReplaced(item); |
| } |
| } |
| |
| void BufferQueue::ProxyConsumerListener::onBuffersReleased() { |
| sp<ConsumerListener> listener(mConsumerListener.promote()); |
| if (listener != NULL) { |
| listener->onBuffersReleased(); |
| } |
| } |
| |
| void BufferQueue::ProxyConsumerListener::onSidebandStreamChanged() { |
| sp<ConsumerListener> listener(mConsumerListener.promote()); |
| if (listener != NULL) { |
| listener->onSidebandStreamChanged(); |
| } |
| } |
| |
| void BufferQueue::ProxyConsumerListener::addAndGetFrameTimestamps( |
| const NewFrameEventsEntry* newTimestamps, |
| FrameEventHistoryDelta* outDelta) { |
| sp<ConsumerListener> listener(mConsumerListener.promote()); |
| if (listener != nullptr) { |
| listener->addAndGetFrameTimestamps(newTimestamps, outDelta); |
| } |
| } |
| |
| void BufferQueue::createBufferQueue(sp<IGraphicBufferProducer>* outProducer, |
| sp<IGraphicBufferConsumer>* outConsumer, |
| bool consumerIsSurfaceFlinger) { |
| LOG_ALWAYS_FATAL_IF(outProducer == NULL, |
| "BufferQueue: outProducer must not be NULL"); |
| LOG_ALWAYS_FATAL_IF(outConsumer == NULL, |
| "BufferQueue: outConsumer must not be NULL"); |
| |
| sp<BufferQueueCore> core(new BufferQueueCore()); |
| LOG_ALWAYS_FATAL_IF(core == NULL, |
| "BufferQueue: failed to create BufferQueueCore"); |
| |
| sp<IGraphicBufferProducer> producer(new BufferQueueProducer(core, consumerIsSurfaceFlinger)); |
| LOG_ALWAYS_FATAL_IF(producer == NULL, |
| "BufferQueue: failed to create BufferQueueProducer"); |
| |
| sp<IGraphicBufferConsumer> consumer(new BufferQueueConsumer(core)); |
| LOG_ALWAYS_FATAL_IF(consumer == NULL, |
| "BufferQueue: failed to create BufferQueueConsumer"); |
| |
| *outProducer = producer; |
| *outConsumer = consumer; |
| } |
| |
| }; // namespace android |