BufferQueueProducer.cpp revision d9822a3843017444364899afc3c23fb5be6b9cb9
1289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza/* 2289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza * Copyright 2014 The Android Open Source Project 3289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza * 4289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza * Licensed under the Apache License, Version 2.0 (the "License"); 5289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza * you may not use this file except in compliance with the License. 6289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza * You may obtain a copy of the License at 7289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza * 8289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza * http://www.apache.org/licenses/LICENSE-2.0 9289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza * 10289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza * Unless required by applicable law or agreed to in writing, software 11289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza * distributed under the License is distributed on an "AS IS" BASIS, 12289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza * See the License for the specific language governing permissions and 14289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza * limitations under the License. 15289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza */ 16289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 173e96f1982fda358424b0b75f394cbf7c1794a072Dan Stoza#define LOG_TAG "BufferQueueProducer" 183e96f1982fda358424b0b75f394cbf7c1794a072Dan Stoza#define ATRACE_TAG ATRACE_TAG_GRAPHICS 193e96f1982fda358424b0b75f394cbf7c1794a072Dan Stoza//#define LOG_NDEBUG 0 203e96f1982fda358424b0b75f394cbf7c1794a072Dan Stoza 21289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza#define EGL_EGLEXT_PROTOTYPES 22289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 23289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza#include <gui/BufferItem.h> 24289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza#include <gui/BufferQueueCore.h> 25289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza#include <gui/BufferQueueProducer.h> 26289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza#include <gui/IConsumerListener.h> 27289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza#include <gui/IGraphicBufferAlloc.h> 28f0eaf25e9247edf4d124bedaeb863f7abdf35a3eDan Stoza#include <gui/IProducerListener.h> 29289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 30289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza#include <utils/Log.h> 31289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza#include <utils/Trace.h> 32289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 33289ade165e60b5f71734d30e535f16eb1f4313adDan Stozanamespace android { 34289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 35289ade165e60b5f71734d30e535f16eb1f4313adDan StozaBufferQueueProducer::BufferQueueProducer(const sp<BufferQueueCore>& core) : 36289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mCore(core), 37289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mSlots(core->mSlots), 38289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mConsumerName() {} 39289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 40289ade165e60b5f71734d30e535f16eb1f4313adDan StozaBufferQueueProducer::~BufferQueueProducer() {} 41289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 42289ade165e60b5f71734d30e535f16eb1f4313adDan Stozastatus_t BufferQueueProducer::requestBuffer(int slot, sp<GraphicBuffer>* buf) { 43289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza ATRACE_CALL(); 44289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGV("requestBuffer: slot %d", slot); 45289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza Mutex::Autolock lock(mCore->mMutex); 46289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 47289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (mCore->mIsAbandoned) { 48289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGE("requestBuffer: BufferQueue has been abandoned"); 49289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza return NO_INIT; 50289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 51289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 523e96f1982fda358424b0b75f394cbf7c1794a072Dan Stoza if (slot < 0 || slot >= BufferQueueDefs::NUM_BUFFER_SLOTS) { 53289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGE("requestBuffer: slot index %d out of range [0, %d)", 543e96f1982fda358424b0b75f394cbf7c1794a072Dan Stoza slot, BufferQueueDefs::NUM_BUFFER_SLOTS); 55289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza return BAD_VALUE; 56289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } else if (mSlots[slot].mBufferState != BufferSlot::DEQUEUED) { 57289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGE("requestBuffer: slot %d is not owned by the producer " 58289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza "(state = %d)", slot, mSlots[slot].mBufferState); 59289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza return BAD_VALUE; 60289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 61289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 62289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mSlots[slot].mRequestBufferCalled = true; 63289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza *buf = mSlots[slot].mGraphicBuffer; 64289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza return NO_ERROR; 65289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza} 66289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 67289ade165e60b5f71734d30e535f16eb1f4313adDan Stozastatus_t BufferQueueProducer::setBufferCount(int bufferCount) { 68289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza ATRACE_CALL(); 69289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGV("setBufferCount: count = %d", bufferCount); 70289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 71289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza sp<IConsumerListener> listener; 72289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza { // Autolock scope 73289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza Mutex::Autolock lock(mCore->mMutex); 74289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 75289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (mCore->mIsAbandoned) { 76289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGE("setBufferCount: BufferQueue has been abandoned"); 77289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza return NO_INIT; 78289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 79289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 803e96f1982fda358424b0b75f394cbf7c1794a072Dan Stoza if (bufferCount > BufferQueueDefs::NUM_BUFFER_SLOTS) { 81289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGE("setBufferCount: bufferCount %d too large (max %d)", 823e96f1982fda358424b0b75f394cbf7c1794a072Dan Stoza bufferCount, BufferQueueDefs::NUM_BUFFER_SLOTS); 83289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza return BAD_VALUE; 84289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 85289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 86289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // There must be no dequeued buffers when changing the buffer count. 873e96f1982fda358424b0b75f394cbf7c1794a072Dan Stoza for (int s = 0; s < BufferQueueDefs::NUM_BUFFER_SLOTS; ++s) { 88289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (mSlots[s].mBufferState == BufferSlot::DEQUEUED) { 89289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGE("setBufferCount: buffer owned by producer"); 909f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza return BAD_VALUE; 91289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 92289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 93289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 94289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (bufferCount == 0) { 95289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mCore->mOverrideMaxBufferCount = 0; 96289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mCore->mDequeueCondition.broadcast(); 97289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza return NO_ERROR; 98289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 99289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 100289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza const int minBufferSlots = mCore->getMinMaxBufferCountLocked(false); 101289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (bufferCount < minBufferSlots) { 102289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGE("setBufferCount: requested buffer count %d is less than " 103289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza "minimum %d", bufferCount, minBufferSlots); 104289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza return BAD_VALUE; 105289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 106289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 107289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // Here we are guaranteed that the producer doesn't have any dequeued 108289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // buffers and will release all of its buffer references. We don't 109289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // clear the queue, however, so that currently queued buffers still 110289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // get displayed. 111289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mCore->freeAllBuffersLocked(); 112289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mCore->mOverrideMaxBufferCount = bufferCount; 113289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mCore->mDequeueCondition.broadcast(); 114289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza listener = mCore->mConsumerListener; 115289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } // Autolock scope 116289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 117289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // Call back without lock held 118289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (listener != NULL) { 119289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza listener->onBuffersReleased(); 120289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 121289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 122289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza return NO_ERROR; 123289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza} 124289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 1259f3053de78630815d60cf48a2cf2348cc5867c45Dan Stozastatus_t BufferQueueProducer::waitForFreeSlotThenRelock(const char* caller, 1269f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza bool async, int* found, status_t* returnFlags) const { 1279f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza bool tryAgain = true; 1289f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza while (tryAgain) { 1299f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza if (mCore->mIsAbandoned) { 1309f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza BQ_LOGE("%s: BufferQueue has been abandoned", caller); 1319f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza return NO_INIT; 1329f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza } 1339f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza 1349f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza const int maxBufferCount = mCore->getMaxBufferCountLocked(async); 1359f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza if (async && mCore->mOverrideMaxBufferCount) { 1369f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // FIXME: Some drivers are manually setting the buffer count 1379f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // (which they shouldn't), so we do this extra test here to 1389f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // handle that case. This is TEMPORARY until we get this fixed. 1399f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza if (mCore->mOverrideMaxBufferCount < maxBufferCount) { 1409f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza BQ_LOGE("%s: async mode is invalid with buffer count override", 1419f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza caller); 1429f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza return BAD_VALUE; 1439f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza } 1449f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza } 1459f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza 1469f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // Free up any buffers that are in slots beyond the max buffer count 1479f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza for (int s = maxBufferCount; s < BufferQueueDefs::NUM_BUFFER_SLOTS; ++s) { 1489f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza assert(mSlots[s].mBufferState == BufferSlot::FREE); 1499f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza if (mSlots[s].mGraphicBuffer != NULL) { 1509f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza mCore->freeBufferLocked(s); 1519f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza *returnFlags |= RELEASE_ALL_BUFFERS; 1529f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza } 1539f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza } 1549f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza 1559f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // Look for a free buffer to give to the client 1569f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza *found = BufferQueueCore::INVALID_BUFFER_SLOT; 1579f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza int dequeuedCount = 0; 1589f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza int acquiredCount = 0; 1599f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza for (int s = 0; s < maxBufferCount; ++s) { 1609f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza switch (mSlots[s].mBufferState) { 1619f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza case BufferSlot::DEQUEUED: 1629f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza ++dequeuedCount; 1639f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza break; 1649f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza case BufferSlot::ACQUIRED: 1659f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza ++acquiredCount; 1669f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza break; 1679f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza case BufferSlot::FREE: 1689f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // We return the oldest of the free buffers to avoid 1699f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // stalling the producer if possible, since the consumer 1709f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // may still have pending reads of in-flight buffers 1719f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza if (*found == BufferQueueCore::INVALID_BUFFER_SLOT || 1729f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza mSlots[s].mFrameNumber < mSlots[*found].mFrameNumber) { 1739f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza *found = s; 1749f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza } 1759f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza break; 1769f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza default: 1779f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza break; 1789f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza } 1799f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza } 1809f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza 1819f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // Producers are not allowed to dequeue more than one buffer if they 1829f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // did not set a buffer count 1839f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza if (!mCore->mOverrideMaxBufferCount && dequeuedCount) { 1849f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza BQ_LOGE("%s: can't dequeue multiple buffers without setting the " 1859f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza "buffer count", caller); 1869f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza return INVALID_OPERATION; 1879f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza } 1889f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza 1899f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // See whether a buffer has been queued since the last 1909f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // setBufferCount so we know whether to perform the min undequeued 1919f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // buffers check below 1929f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza if (mCore->mBufferHasBeenQueued) { 1939f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // Make sure the producer is not trying to dequeue more buffers 1949f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // than allowed 1959f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza const int newUndequeuedCount = 1969f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza maxBufferCount - (dequeuedCount + 1); 1979f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza const int minUndequeuedCount = 1989f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza mCore->getMinUndequeuedBufferCountLocked(async); 1999f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza if (newUndequeuedCount < minUndequeuedCount) { 2009f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza BQ_LOGE("%s: min undequeued buffer count (%d) exceeded " 2019f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza "(dequeued=%d undequeued=%d)", 2029f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza caller, minUndequeuedCount, 2039f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza dequeuedCount, newUndequeuedCount); 2049f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza return INVALID_OPERATION; 2059f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza } 2069f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza } 2079f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza 2089f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // If no buffer is found, wait for a buffer to be released or for 2099f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // the max buffer count to change 2109f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza tryAgain = (*found == BufferQueueCore::INVALID_BUFFER_SLOT); 2119f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza if (tryAgain) { 2129f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // Return an error if we're in non-blocking mode (producer and 2139f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // consumer are controlled by the application). 2149f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // However, the consumer is allowed to briefly acquire an extra 2159f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // buffer (which could cause us to have to wait here), which is 2169f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // okay, since it is only used to implement an atomic acquire + 2179f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // release (e.g., in GLConsumer::updateTexImage()) 2189f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza if (mCore->mDequeueBufferCannotBlock && 2199f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza (acquiredCount <= mCore->mMaxAcquiredBufferCount)) { 2209f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza return WOULD_BLOCK; 2219f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza } 2229f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza mCore->mDequeueCondition.wait(mCore->mMutex); 2239f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza } 2249f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza } // while (tryAgain) 2259f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza 2269f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza return NO_ERROR; 2279f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza} 2289f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza 229289ade165e60b5f71734d30e535f16eb1f4313adDan Stozastatus_t BufferQueueProducer::dequeueBuffer(int *outSlot, 230289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza sp<android::Fence> *outFence, bool async, 231289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza uint32_t width, uint32_t height, uint32_t format, uint32_t usage) { 232289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza ATRACE_CALL(); 233289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza { // Autolock scope 234289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza Mutex::Autolock lock(mCore->mMutex); 235289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mConsumerName = mCore->mConsumerName; 236289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } // Autolock scope 237289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 238289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGV("dequeueBuffer: async=%s w=%u h=%u format=%#x, usage=%#x", 239289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza async ? "true" : "false", width, height, format, usage); 240289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 241289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if ((width && !height) || (!width && height)) { 242289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGE("dequeueBuffer: invalid size: w=%u h=%u", width, height); 243289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza return BAD_VALUE; 244289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 245289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 246289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza status_t returnFlags = NO_ERROR; 247289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza EGLDisplay eglDisplay = EGL_NO_DISPLAY; 248289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza EGLSyncKHR eglFence = EGL_NO_SYNC_KHR; 2499f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza bool attachedByConsumer = false; 250289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 251289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza { // Autolock scope 252289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza Mutex::Autolock lock(mCore->mMutex); 253289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 254289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (format == 0) { 255289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza format = mCore->mDefaultBufferFormat; 256289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 257289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 258289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // Enable the usage bits the consumer requested 259289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza usage |= mCore->mConsumerUsageBits; 260289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 2619f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza int found; 2629f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza status_t status = waitForFreeSlotThenRelock("dequeueBuffer", async, 2639f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza &found, &returnFlags); 2649f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza if (status != NO_ERROR) { 2659f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza return status; 2669f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza } 267289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 268289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // This should not happen 269289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (found == BufferQueueCore::INVALID_BUFFER_SLOT) { 270289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGE("dequeueBuffer: no available buffer slots"); 271289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza return -EBUSY; 272289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 273289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 274289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza *outSlot = found; 275289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza ATRACE_BUFFER_INDEX(found); 276289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 2779f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza attachedByConsumer = mSlots[found].mAttachedByConsumer; 2789f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza 279289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza const bool useDefaultSize = !width && !height; 280289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (useDefaultSize) { 281289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza width = mCore->mDefaultWidth; 282289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza height = mCore->mDefaultHeight; 283289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 284289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 285289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mSlots[found].mBufferState = BufferSlot::DEQUEUED; 286289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 287289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza const sp<GraphicBuffer>& buffer(mSlots[found].mGraphicBuffer); 288289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if ((buffer == NULL) || 289289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza (static_cast<uint32_t>(buffer->width) != width) || 290289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza (static_cast<uint32_t>(buffer->height) != height) || 291289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza (static_cast<uint32_t>(buffer->format) != format) || 292289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza ((static_cast<uint32_t>(buffer->usage) & usage) != usage)) 293289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza { 294289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mSlots[found].mAcquireCalled = false; 295289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mSlots[found].mGraphicBuffer = NULL; 296289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mSlots[found].mRequestBufferCalled = false; 297289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mSlots[found].mEglDisplay = EGL_NO_DISPLAY; 298289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mSlots[found].mEglFence = EGL_NO_SYNC_KHR; 299289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mSlots[found].mFence = Fence::NO_FENCE; 300289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 301289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza returnFlags |= BUFFER_NEEDS_REALLOCATION; 302289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 303289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 304289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (CC_UNLIKELY(mSlots[found].mFence == NULL)) { 305289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGE("dequeueBuffer: about to return a NULL fence - " 306289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza "slot=%d w=%d h=%d format=%u", 307289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza found, buffer->width, buffer->height, buffer->format); 308289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 309289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 310289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza eglDisplay = mSlots[found].mEglDisplay; 311289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza eglFence = mSlots[found].mEglFence; 312289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza *outFence = mSlots[found].mFence; 313289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mSlots[found].mEglFence = EGL_NO_SYNC_KHR; 314289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mSlots[found].mFence = Fence::NO_FENCE; 315289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } // Autolock scope 316289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 317289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (returnFlags & BUFFER_NEEDS_REALLOCATION) { 318289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza status_t error; 319289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza sp<GraphicBuffer> graphicBuffer(mCore->mAllocator->createGraphicBuffer( 320289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza width, height, format, usage, &error)); 321289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (graphicBuffer == NULL) { 322289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGE("dequeueBuffer: createGraphicBuffer failed"); 323289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza return error; 324289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 325289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 326289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza { // Autolock scope 327289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza Mutex::Autolock lock(mCore->mMutex); 328289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 329289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (mCore->mIsAbandoned) { 330289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGE("dequeueBuffer: BufferQueue has been abandoned"); 331289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza return NO_INIT; 332289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 333289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 3349f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza mSlots[*outSlot].mFrameNumber = UINT32_MAX; 335289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mSlots[*outSlot].mGraphicBuffer = graphicBuffer; 336289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } // Autolock scope 337289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 338289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 3399f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza if (attachedByConsumer) { 3409f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza returnFlags |= BUFFER_NEEDS_REALLOCATION; 3419f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza } 3429f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza 343289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (eglFence != EGL_NO_SYNC_KHR) { 344289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza EGLint result = eglClientWaitSyncKHR(eglDisplay, eglFence, 0, 345289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 1000000000); 346289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // If something goes wrong, log the error, but return the buffer without 347289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // synchronizing access to it. It's too late at this point to abort the 348289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // dequeue operation. 349289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (result == EGL_FALSE) { 350289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGE("dequeueBuffer: error %#x waiting for fence", 351289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza eglGetError()); 352289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } else if (result == EGL_TIMEOUT_EXPIRED_KHR) { 353289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGE("dequeueBuffer: timeout waiting for fence"); 354289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 355289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza eglDestroySyncKHR(eglDisplay, eglFence); 356289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 357289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 358289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGV("dequeueBuffer: returning slot=%d/%llu buf=%p flags=%#x", *outSlot, 359289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mSlots[*outSlot].mFrameNumber, 360289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mSlots[*outSlot].mGraphicBuffer->handle, returnFlags); 361289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 362289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza return returnFlags; 363289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza} 364289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 3659f3053de78630815d60cf48a2cf2348cc5867c45Dan Stozastatus_t BufferQueueProducer::detachBuffer(int slot) { 3669f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza ATRACE_CALL(); 3679f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza ATRACE_BUFFER_INDEX(slot); 3689f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza BQ_LOGV("detachBuffer(P): slot %d", slot); 3699f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza Mutex::Autolock lock(mCore->mMutex); 3709f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza 3719f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza if (mCore->mIsAbandoned) { 3729f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza BQ_LOGE("detachBuffer(P): BufferQueue has been abandoned"); 3739f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza return NO_INIT; 3749f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza } 3759f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza 3769f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza if (slot < 0 || slot >= BufferQueueDefs::NUM_BUFFER_SLOTS) { 3779f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza BQ_LOGE("detachBuffer(P): slot index %d out of range [0, %d)", 3789f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza slot, BufferQueueDefs::NUM_BUFFER_SLOTS); 3799f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza return BAD_VALUE; 3809f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza } else if (mSlots[slot].mBufferState != BufferSlot::DEQUEUED) { 3819f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza BQ_LOGE("detachBuffer(P): slot %d is not owned by the producer " 3829f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza "(state = %d)", slot, mSlots[slot].mBufferState); 3839f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza return BAD_VALUE; 3849f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza } else if (!mSlots[slot].mRequestBufferCalled) { 3859f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza BQ_LOGE("detachBuffer(P): buffer in slot %d has not been requested", 3869f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza slot); 3879f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza return BAD_VALUE; 3889f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza } 3899f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza 3909f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza mCore->freeBufferLocked(slot); 3919f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza mCore->mDequeueCondition.broadcast(); 3929f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza 3939f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza return NO_ERROR; 3949f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza} 3959f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza 396d9822a3843017444364899afc3c23fb5be6b9cb9Dan Stozastatus_t BufferQueueProducer::detachNextBuffer(sp<GraphicBuffer>* outBuffer, 397d9822a3843017444364899afc3c23fb5be6b9cb9Dan Stoza sp<Fence>* outFence) { 398d9822a3843017444364899afc3c23fb5be6b9cb9Dan Stoza ATRACE_CALL(); 399d9822a3843017444364899afc3c23fb5be6b9cb9Dan Stoza 400d9822a3843017444364899afc3c23fb5be6b9cb9Dan Stoza if (outBuffer == NULL) { 401d9822a3843017444364899afc3c23fb5be6b9cb9Dan Stoza BQ_LOGE("detachNextBuffer: outBuffer must not be NULL"); 402d9822a3843017444364899afc3c23fb5be6b9cb9Dan Stoza return BAD_VALUE; 403d9822a3843017444364899afc3c23fb5be6b9cb9Dan Stoza } else if (outFence == NULL) { 404d9822a3843017444364899afc3c23fb5be6b9cb9Dan Stoza BQ_LOGE("detachNextBuffer: outFence must not be NULL"); 405d9822a3843017444364899afc3c23fb5be6b9cb9Dan Stoza return BAD_VALUE; 406d9822a3843017444364899afc3c23fb5be6b9cb9Dan Stoza } 407d9822a3843017444364899afc3c23fb5be6b9cb9Dan Stoza 408d9822a3843017444364899afc3c23fb5be6b9cb9Dan Stoza Mutex::Autolock lock(mCore->mMutex); 409d9822a3843017444364899afc3c23fb5be6b9cb9Dan Stoza 410d9822a3843017444364899afc3c23fb5be6b9cb9Dan Stoza if (mCore->mIsAbandoned) { 411d9822a3843017444364899afc3c23fb5be6b9cb9Dan Stoza BQ_LOGE("detachNextBuffer: BufferQueue has been abandoned"); 412d9822a3843017444364899afc3c23fb5be6b9cb9Dan Stoza return NO_INIT; 413d9822a3843017444364899afc3c23fb5be6b9cb9Dan Stoza } 414d9822a3843017444364899afc3c23fb5be6b9cb9Dan Stoza 415d9822a3843017444364899afc3c23fb5be6b9cb9Dan Stoza // Find the oldest valid slot 416d9822a3843017444364899afc3c23fb5be6b9cb9Dan Stoza int found = BufferQueueCore::INVALID_BUFFER_SLOT; 417d9822a3843017444364899afc3c23fb5be6b9cb9Dan Stoza for (int s = 0; s < BufferQueueDefs::NUM_BUFFER_SLOTS; ++s) { 418d9822a3843017444364899afc3c23fb5be6b9cb9Dan Stoza if (mSlots[s].mBufferState == BufferSlot::FREE && 419d9822a3843017444364899afc3c23fb5be6b9cb9Dan Stoza mSlots[s].mGraphicBuffer != NULL) { 420d9822a3843017444364899afc3c23fb5be6b9cb9Dan Stoza if (found == BufferQueueCore::INVALID_BUFFER_SLOT || 421d9822a3843017444364899afc3c23fb5be6b9cb9Dan Stoza mSlots[s].mFrameNumber < mSlots[found].mFrameNumber) { 422d9822a3843017444364899afc3c23fb5be6b9cb9Dan Stoza found = s; 423d9822a3843017444364899afc3c23fb5be6b9cb9Dan Stoza } 424d9822a3843017444364899afc3c23fb5be6b9cb9Dan Stoza } 425d9822a3843017444364899afc3c23fb5be6b9cb9Dan Stoza } 426d9822a3843017444364899afc3c23fb5be6b9cb9Dan Stoza 427d9822a3843017444364899afc3c23fb5be6b9cb9Dan Stoza if (found == BufferQueueCore::INVALID_BUFFER_SLOT) { 428d9822a3843017444364899afc3c23fb5be6b9cb9Dan Stoza return NO_MEMORY; 429d9822a3843017444364899afc3c23fb5be6b9cb9Dan Stoza } 430d9822a3843017444364899afc3c23fb5be6b9cb9Dan Stoza 431d9822a3843017444364899afc3c23fb5be6b9cb9Dan Stoza BQ_LOGV("detachNextBuffer detached slot %d", found); 432d9822a3843017444364899afc3c23fb5be6b9cb9Dan Stoza 433d9822a3843017444364899afc3c23fb5be6b9cb9Dan Stoza *outBuffer = mSlots[found].mGraphicBuffer; 434d9822a3843017444364899afc3c23fb5be6b9cb9Dan Stoza *outFence = mSlots[found].mFence; 435d9822a3843017444364899afc3c23fb5be6b9cb9Dan Stoza mCore->freeBufferLocked(found); 436d9822a3843017444364899afc3c23fb5be6b9cb9Dan Stoza 437d9822a3843017444364899afc3c23fb5be6b9cb9Dan Stoza return NO_ERROR; 438d9822a3843017444364899afc3c23fb5be6b9cb9Dan Stoza} 439d9822a3843017444364899afc3c23fb5be6b9cb9Dan Stoza 4409f3053de78630815d60cf48a2cf2348cc5867c45Dan Stozastatus_t BufferQueueProducer::attachBuffer(int* outSlot, 4419f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza const sp<android::GraphicBuffer>& buffer) { 4429f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza ATRACE_CALL(); 4439f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza 4449f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza if (outSlot == NULL) { 4459f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza BQ_LOGE("attachBuffer(P): outSlot must not be NULL"); 4469f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza return BAD_VALUE; 4479f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza } else if (buffer == NULL) { 4489f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza BQ_LOGE("attachBuffer(P): cannot attach NULL buffer"); 4499f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza return BAD_VALUE; 4509f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza } 4519f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza 4529f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza Mutex::Autolock lock(mCore->mMutex); 4539f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza 4549f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza status_t returnFlags = NO_ERROR; 4559f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza int found; 4569f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // TODO: Should we provide an async flag to attachBuffer? It seems 4579f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // unlikely that buffers which we are attaching to a BufferQueue will 4589f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // be asynchronous (droppable), but it may not be impossible. 4599f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza status_t status = waitForFreeSlotThenRelock("attachBuffer(P)", false, 4609f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza &found, &returnFlags); 4619f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza if (status != NO_ERROR) { 4629f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza return status; 4639f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza } 4649f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza 4659f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // This should not happen 4669f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza if (found == BufferQueueCore::INVALID_BUFFER_SLOT) { 4679f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza BQ_LOGE("attachBuffer(P): no available buffer slots"); 4689f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza return -EBUSY; 4699f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza } 4709f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza 4719f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza *outSlot = found; 4729f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza ATRACE_BUFFER_INDEX(*outSlot); 4739f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza BQ_LOGV("attachBuffer(P): returning slot %d flags=%#x", 4749f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza *outSlot, returnFlags); 4759f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza 4769f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza mSlots[*outSlot].mGraphicBuffer = buffer; 4779f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza mSlots[*outSlot].mBufferState = BufferSlot::DEQUEUED; 4789f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza mSlots[*outSlot].mEglFence = EGL_NO_SYNC_KHR; 4799f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza mSlots[*outSlot].mFence = Fence::NO_FENCE; 4802443c7903c6910b57bcc615a4bf2e60068c15dbdDan Stoza mSlots[*outSlot].mRequestBufferCalled = true; 4819f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza 4829f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza return returnFlags; 4839f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza} 4849f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza 485289ade165e60b5f71734d30e535f16eb1f4313adDan Stozastatus_t BufferQueueProducer::queueBuffer(int slot, 486289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza const QueueBufferInput &input, QueueBufferOutput *output) { 487289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza ATRACE_CALL(); 488289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza ATRACE_BUFFER_INDEX(slot); 489289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 490289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza int64_t timestamp; 491289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza bool isAutoTimestamp; 492289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza Rect crop; 493289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza int scalingMode; 494289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza uint32_t transform; 495289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza bool async; 496289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza sp<Fence> fence; 497289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza input.deflate(×tamp, &isAutoTimestamp, &crop, &scalingMode, &transform, 498289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza &async, &fence); 499289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 500289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (fence == NULL) { 501289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGE("queueBuffer: fence is NULL"); 502289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza return BAD_VALUE; 503289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 504289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 505289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza switch (scalingMode) { 506289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza case NATIVE_WINDOW_SCALING_MODE_FREEZE: 507289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza case NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW: 508289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza case NATIVE_WINDOW_SCALING_MODE_SCALE_CROP: 509289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza case NATIVE_WINDOW_SCALING_MODE_NO_SCALE_CROP: 510289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza break; 511289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza default: 512289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGE("queueBuffer: unknown scaling mode %d", scalingMode); 5139f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza return BAD_VALUE; 514289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 515289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 516289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza sp<IConsumerListener> listener; 517289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza { // Autolock scope 518289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza Mutex::Autolock lock(mCore->mMutex); 519289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 520289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (mCore->mIsAbandoned) { 521289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGE("queueBuffer: BufferQueue has been abandoned"); 522289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza return NO_INIT; 523289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 524289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 525289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza const int maxBufferCount = mCore->getMaxBufferCountLocked(async); 526289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (async && mCore->mOverrideMaxBufferCount) { 527289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // FIXME: Some drivers are manually setting the buffer count 528289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // (which they shouldn't), so we do this extra test here to 529289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // handle that case. This is TEMPORARY until we get this fixed. 530289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (mCore->mOverrideMaxBufferCount < maxBufferCount) { 531289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGE("queueBuffer: async mode is invalid with " 532289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza "buffer count override"); 533289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza return BAD_VALUE; 534289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 535289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 536289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 537289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (slot < 0 || slot >= maxBufferCount) { 538289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGE("queueBuffer: slot index %d out of range [0, %d)", 539289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza slot, maxBufferCount); 5409f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza return BAD_VALUE; 541289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } else if (mSlots[slot].mBufferState != BufferSlot::DEQUEUED) { 542289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGE("queueBuffer: slot %d is not owned by the producer " 543289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza "(state = %d)", slot, mSlots[slot].mBufferState); 5449f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza return BAD_VALUE; 545289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } else if (!mSlots[slot].mRequestBufferCalled) { 546289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGE("queueBuffer: slot %d was queued without requesting " 547289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza "a buffer", slot); 5489f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza return BAD_VALUE; 549289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 550289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 551289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGV("queueBuffer: slot=%d/%llu time=%llu crop=[%d,%d,%d,%d] " 552289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza "transform=%#x scale=%s", 553289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza slot, mCore->mFrameCounter + 1, timestamp, 554289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza crop.left, crop.top, crop.right, crop.bottom, 555289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza transform, BufferItem::scalingModeName(scalingMode)); 556289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 557289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza const sp<GraphicBuffer>& graphicBuffer(mSlots[slot].mGraphicBuffer); 558289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza Rect bufferRect(graphicBuffer->getWidth(), graphicBuffer->getHeight()); 559289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza Rect croppedRect; 560289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza crop.intersect(bufferRect, &croppedRect); 561289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (croppedRect != crop) { 562289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGE("queueBuffer: crop rect is not contained within the " 563289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza "buffer in slot %d", slot); 5649f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza return BAD_VALUE; 565289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 566289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 567289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mSlots[slot].mFence = fence; 568289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mSlots[slot].mBufferState = BufferSlot::QUEUED; 569289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza ++mCore->mFrameCounter; 570289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mSlots[slot].mFrameNumber = mCore->mFrameCounter; 571289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 572289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BufferItem item; 573289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza item.mAcquireCalled = mSlots[slot].mAcquireCalled; 574289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza item.mGraphicBuffer = mSlots[slot].mGraphicBuffer; 575289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza item.mCrop = crop; 576289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza item.mTransform = transform & ~NATIVE_WINDOW_TRANSFORM_INVERSE_DISPLAY; 577289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza item.mTransformToDisplayInverse = 578289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza bool(transform & NATIVE_WINDOW_TRANSFORM_INVERSE_DISPLAY); 579289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza item.mScalingMode = scalingMode; 580289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza item.mTimestamp = timestamp; 581289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza item.mIsAutoTimestamp = isAutoTimestamp; 582289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza item.mFrameNumber = mCore->mFrameCounter; 583289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza item.mSlot = slot; 584289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza item.mFence = fence; 585289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza item.mIsDroppable = mCore->mDequeueBufferCannotBlock || async; 586289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 587289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (mCore->mQueue.empty()) { 588289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // When the queue is empty, we can ignore mDequeueBufferCannotBlock 589289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // and simply queue this buffer 590289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mCore->mQueue.push_back(item); 591289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza listener = mCore->mConsumerListener; 592289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } else { 593289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // When the queue is not empty, we need to look at the front buffer 594289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // state to see if we need to replace it 595289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BufferQueueCore::Fifo::iterator front(mCore->mQueue.begin()); 596289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (front->mIsDroppable) { 597289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // If the front queued buffer is still being tracked, we first 598289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // mark it as freed 599289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (mCore->stillTracking(front)) { 600289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mSlots[front->mSlot].mBufferState = BufferSlot::FREE; 601289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // Reset the frame number of the freed buffer so that it is 602289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // the first in line to be dequeued again 603289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mSlots[front->mSlot].mFrameNumber = 0; 604289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 605289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // Overwrite the droppable buffer with the incoming one 606289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza *front = item; 607289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } else { 608289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mCore->mQueue.push_back(item); 609289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza listener = mCore->mConsumerListener; 610289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 611289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 612289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 613289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mCore->mBufferHasBeenQueued = true; 614289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mCore->mDequeueCondition.broadcast(); 615289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 616289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza output->inflate(mCore->mDefaultWidth, mCore->mDefaultHeight, 617289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mCore->mTransformHint, mCore->mQueue.size()); 618289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 619289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza ATRACE_INT(mCore->mConsumerName.string(), mCore->mQueue.size()); 620289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } // Autolock scope 621289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 622289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // Call back without lock held 623289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (listener != NULL) { 624289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza listener->onFrameAvailable(); 625289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 626289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 627289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza return NO_ERROR; 628289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza} 629289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 630289ade165e60b5f71734d30e535f16eb1f4313adDan Stozavoid BufferQueueProducer::cancelBuffer(int slot, const sp<Fence>& fence) { 631289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza ATRACE_CALL(); 632289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGV("cancelBuffer: slot %d", slot); 633289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza Mutex::Autolock lock(mCore->mMutex); 634289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 635289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (mCore->mIsAbandoned) { 636289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGE("cancelBuffer: BufferQueue has been abandoned"); 637289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza return; 638289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 639289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 6403e96f1982fda358424b0b75f394cbf7c1794a072Dan Stoza if (slot < 0 || slot >= BufferQueueDefs::NUM_BUFFER_SLOTS) { 641289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGE("cancelBuffer: slot index %d out of range [0, %d)", 6423e96f1982fda358424b0b75f394cbf7c1794a072Dan Stoza slot, BufferQueueDefs::NUM_BUFFER_SLOTS); 643289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza return; 644289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } else if (mSlots[slot].mBufferState != BufferSlot::DEQUEUED) { 645289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGE("cancelBuffer: slot %d is not owned by the producer " 646289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza "(state = %d)", slot, mSlots[slot].mBufferState); 647289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza return; 648289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } else if (fence == NULL) { 649289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGE("cancelBuffer: fence is NULL"); 650289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza return; 651289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 652289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 653289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mSlots[slot].mBufferState = BufferSlot::FREE; 654289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mSlots[slot].mFrameNumber = 0; 655289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mSlots[slot].mFence = fence; 656289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mCore->mDequeueCondition.broadcast(); 657289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza} 658289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 659289ade165e60b5f71734d30e535f16eb1f4313adDan Stozaint BufferQueueProducer::query(int what, int *outValue) { 660289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza ATRACE_CALL(); 661289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza Mutex::Autolock lock(mCore->mMutex); 662289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 663289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (outValue == NULL) { 664289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGE("query: outValue was NULL"); 665289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza return BAD_VALUE; 666289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 667289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 668289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (mCore->mIsAbandoned) { 669289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGE("query: BufferQueue has been abandoned"); 670289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza return NO_INIT; 671289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 672289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 673289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza int value; 674289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza switch (what) { 675289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza case NATIVE_WINDOW_WIDTH: 676289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza value = mCore->mDefaultWidth; 677289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza break; 678289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza case NATIVE_WINDOW_HEIGHT: 679289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza value = mCore->mDefaultHeight; 680289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza break; 681289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza case NATIVE_WINDOW_FORMAT: 682289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza value = mCore->mDefaultBufferFormat; 683289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza break; 684289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza case NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS: 685289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza value = mCore->getMinUndequeuedBufferCountLocked(false); 686289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza break; 687289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza case NATIVE_WINDOW_CONSUMER_RUNNING_BEHIND: 688289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza value = (mCore->mQueue.size() > 1); 689289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza break; 690289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza case NATIVE_WINDOW_CONSUMER_USAGE_BITS: 691289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza value = mCore->mConsumerUsageBits; 692289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza break; 693289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza default: 694289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza return BAD_VALUE; 695289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 696289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 697289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGV("query: %d? %d", what, value); 698289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza *outValue = value; 699289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza return NO_ERROR; 700289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza} 701289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 702f0eaf25e9247edf4d124bedaeb863f7abdf35a3eDan Stozastatus_t BufferQueueProducer::connect(const sp<IProducerListener>& listener, 703289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza int api, bool producerControlledByApp, QueueBufferOutput *output) { 704289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza ATRACE_CALL(); 705289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza Mutex::Autolock lock(mCore->mMutex); 706289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mConsumerName = mCore->mConsumerName; 707289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGV("connect(P): api=%d producerControlledByApp=%s", api, 708289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza producerControlledByApp ? "true" : "false"); 709289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 710289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // If we disconnect and reconnect quickly, we can be in a state where our 711289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // slots are empty but we have many buffers in the queue. This can cause us 712289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // to run out of memory if we outrun the consumer. Wait here if it looks 713289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // like we have too many buffers queued up. 714289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza while (true) { 715289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (mCore->mIsAbandoned) { 716289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGE("connect(P): BufferQueue has been abandoned"); 717289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza return NO_INIT; 718289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 719289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 720289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (mCore->mConsumerListener == NULL) { 721289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGE("connect(P): BufferQueue has no consumer"); 722289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza return NO_INIT; 723289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 724289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 725289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (output == NULL) { 726289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGE("connect(P): output was NULL"); 727289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza return BAD_VALUE; 728289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 729289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 730289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (mCore->mConnectedApi != BufferQueueCore::NO_CONNECTED_API) { 731289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGE("connect(P): already connected (cur=%d req=%d)", 732289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mCore->mConnectedApi, api); 733289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza return BAD_VALUE; 734289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 735289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 736289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza size_t maxBufferCount = mCore->getMaxBufferCountLocked(false); 737289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (mCore->mQueue.size() <= maxBufferCount) { 738289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // The queue size seems small enough to proceed 739289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // TODO: Make this bound tighter? 740289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza break; 741289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 742289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 743289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGV("connect(P): queue size is %d, waiting", mCore->mQueue.size()); 744289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mCore->mDequeueCondition.wait(mCore->mMutex); 745289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 746289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 747289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza int status = NO_ERROR; 748289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza switch (api) { 749289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza case NATIVE_WINDOW_API_EGL: 750289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza case NATIVE_WINDOW_API_CPU: 751289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza case NATIVE_WINDOW_API_MEDIA: 752289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza case NATIVE_WINDOW_API_CAMERA: 753289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mCore->mConnectedApi = api; 754289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza output->inflate(mCore->mDefaultWidth, mCore->mDefaultHeight, 755289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mCore->mTransformHint, mCore->mQueue.size()); 756289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 757289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // Set up a death notification so that we can disconnect 758289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // automatically if the remote producer dies 759f0eaf25e9247edf4d124bedaeb863f7abdf35a3eDan Stoza if (listener != NULL && 760f0eaf25e9247edf4d124bedaeb863f7abdf35a3eDan Stoza listener->asBinder()->remoteBinder() != NULL) { 761f0eaf25e9247edf4d124bedaeb863f7abdf35a3eDan Stoza status = listener->asBinder()->linkToDeath( 762289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza static_cast<IBinder::DeathRecipient*>(this)); 763f0eaf25e9247edf4d124bedaeb863f7abdf35a3eDan Stoza if (status != NO_ERROR) { 764289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGE("connect(P): linkToDeath failed: %s (%d)", 765289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza strerror(-status), status); 766289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 767289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 768f0eaf25e9247edf4d124bedaeb863f7abdf35a3eDan Stoza mCore->mConnectedProducerListener = listener; 769289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza break; 770289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza default: 771289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGE("connect(P): unknown API %d", api); 772289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza status = BAD_VALUE; 773289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza break; 774289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 775289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 776289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mCore->mBufferHasBeenQueued = false; 777289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mCore->mDequeueBufferCannotBlock = 778289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mCore->mConsumerControlledByApp && producerControlledByApp; 779289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 780289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza return status; 781289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza} 782289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 783289ade165e60b5f71734d30e535f16eb1f4313adDan Stozastatus_t BufferQueueProducer::disconnect(int api) { 784289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza ATRACE_CALL(); 785289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGV("disconnect(P): api %d", api); 786289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 787289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza int status = NO_ERROR; 788289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza sp<IConsumerListener> listener; 789289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza { // Autolock scope 790289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza Mutex::Autolock lock(mCore->mMutex); 791289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 792289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (mCore->mIsAbandoned) { 793289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // It's not really an error to disconnect after the surface has 794289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // been abandoned; it should just be a no-op. 795289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza return NO_ERROR; 796289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 797289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 798289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza switch (api) { 799289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza case NATIVE_WINDOW_API_EGL: 800289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza case NATIVE_WINDOW_API_CPU: 801289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza case NATIVE_WINDOW_API_MEDIA: 802289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza case NATIVE_WINDOW_API_CAMERA: 803289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (mCore->mConnectedApi == api) { 804289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mCore->freeAllBuffersLocked(); 805289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 806289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // Remove our death notification callback if we have one 807f0eaf25e9247edf4d124bedaeb863f7abdf35a3eDan Stoza if (mCore->mConnectedProducerListener != NULL) { 808f0eaf25e9247edf4d124bedaeb863f7abdf35a3eDan Stoza sp<IBinder> token = 809f0eaf25e9247edf4d124bedaeb863f7abdf35a3eDan Stoza mCore->mConnectedProducerListener->asBinder(); 810289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // This can fail if we're here because of the death 811289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // notification, but we just ignore it 812289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza token->unlinkToDeath( 813289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza static_cast<IBinder::DeathRecipient*>(this)); 814289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 815f0eaf25e9247edf4d124bedaeb863f7abdf35a3eDan Stoza mCore->mConnectedProducerListener = NULL; 816289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mCore->mConnectedApi = BufferQueueCore::NO_CONNECTED_API; 817399184a4cd728ea1421fb0bc1722274a29e38f4aJesse Hall mCore->mSidebandStream.clear(); 818289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mCore->mDequeueCondition.broadcast(); 819289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza listener = mCore->mConsumerListener; 820289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } else { 821289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGE("disconnect(P): connected to another API " 822289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza "(cur=%d req=%d)", mCore->mConnectedApi, api); 8239f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza status = BAD_VALUE; 824289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 825289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza break; 826289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza default: 827289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGE("disconnect(P): unknown API %d", api); 8289f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza status = BAD_VALUE; 829289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza break; 830289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 831289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } // Autolock scope 832289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 833289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // Call back without lock held 834289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (listener != NULL) { 835289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza listener->onBuffersReleased(); 836289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 837289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 838289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza return status; 839289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza} 840289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 841399184a4cd728ea1421fb0bc1722274a29e38f4aJesse Hallstatus_t BufferQueueProducer::setSidebandStream(const sp<NativeHandle>& stream) { 842afe3081e0e224a3d88da2e8f211e994f833cc6bbWonsik Kim sp<IConsumerListener> listener; 843afe3081e0e224a3d88da2e8f211e994f833cc6bbWonsik Kim { // Autolock scope 844afe3081e0e224a3d88da2e8f211e994f833cc6bbWonsik Kim Mutex::Autolock _l(mCore->mMutex); 845afe3081e0e224a3d88da2e8f211e994f833cc6bbWonsik Kim mCore->mSidebandStream = stream; 846afe3081e0e224a3d88da2e8f211e994f833cc6bbWonsik Kim listener = mCore->mConsumerListener; 847afe3081e0e224a3d88da2e8f211e994f833cc6bbWonsik Kim } // Autolock scope 848afe3081e0e224a3d88da2e8f211e994f833cc6bbWonsik Kim 849afe3081e0e224a3d88da2e8f211e994f833cc6bbWonsik Kim if (listener != NULL) { 850afe3081e0e224a3d88da2e8f211e994f833cc6bbWonsik Kim listener->onSidebandStreamChanged(); 851afe3081e0e224a3d88da2e8f211e994f833cc6bbWonsik Kim } 852399184a4cd728ea1421fb0bc1722274a29e38f4aJesse Hall return NO_ERROR; 853399184a4cd728ea1421fb0bc1722274a29e38f4aJesse Hall} 854399184a4cd728ea1421fb0bc1722274a29e38f4aJesse Hall 855289ade165e60b5f71734d30e535f16eb1f4313adDan Stozavoid BufferQueueProducer::binderDied(const wp<android::IBinder>& /* who */) { 856289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // If we're here, it means that a producer we were connected to died. 857289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // We're guaranteed that we are still connected to it because we remove 858289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // this callback upon disconnect. It's therefore safe to read mConnectedApi 859289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // without synchronization here. 860289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza int api = mCore->mConnectedApi; 861289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza disconnect(api); 862289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza} 863289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 864289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza} // namespace android 865