BufferQueueProducer.cpp revision 2443c7903c6910b57bcc615a4bf2e60068c15dbd
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> 28289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 29289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza#include <utils/Log.h> 30289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza#include <utils/Trace.h> 31289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 32289ade165e60b5f71734d30e535f16eb1f4313adDan Stozanamespace android { 33289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 34289ade165e60b5f71734d30e535f16eb1f4313adDan StozaBufferQueueProducer::BufferQueueProducer(const sp<BufferQueueCore>& core) : 35289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mCore(core), 36289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mSlots(core->mSlots), 37289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mConsumerName() {} 38289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 39289ade165e60b5f71734d30e535f16eb1f4313adDan StozaBufferQueueProducer::~BufferQueueProducer() {} 40289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 41289ade165e60b5f71734d30e535f16eb1f4313adDan Stozastatus_t BufferQueueProducer::requestBuffer(int slot, sp<GraphicBuffer>* buf) { 42289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza ATRACE_CALL(); 43289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGV("requestBuffer: slot %d", slot); 44289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza Mutex::Autolock lock(mCore->mMutex); 45289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 46289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (mCore->mIsAbandoned) { 47289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGE("requestBuffer: BufferQueue has been abandoned"); 48289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza return NO_INIT; 49289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 50289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 513e96f1982fda358424b0b75f394cbf7c1794a072Dan Stoza if (slot < 0 || slot >= BufferQueueDefs::NUM_BUFFER_SLOTS) { 52289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGE("requestBuffer: slot index %d out of range [0, %d)", 533e96f1982fda358424b0b75f394cbf7c1794a072Dan Stoza slot, BufferQueueDefs::NUM_BUFFER_SLOTS); 54289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza return BAD_VALUE; 55289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } else if (mSlots[slot].mBufferState != BufferSlot::DEQUEUED) { 56289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGE("requestBuffer: slot %d is not owned by the producer " 57289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza "(state = %d)", slot, mSlots[slot].mBufferState); 58289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza return BAD_VALUE; 59289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 60289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 61289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mSlots[slot].mRequestBufferCalled = true; 62289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza *buf = mSlots[slot].mGraphicBuffer; 63289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza return NO_ERROR; 64289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza} 65289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 66289ade165e60b5f71734d30e535f16eb1f4313adDan Stozastatus_t BufferQueueProducer::setBufferCount(int bufferCount) { 67289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza ATRACE_CALL(); 68289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGV("setBufferCount: count = %d", bufferCount); 69289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 70289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza sp<IConsumerListener> listener; 71289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza { // Autolock scope 72289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza Mutex::Autolock lock(mCore->mMutex); 73289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 74289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (mCore->mIsAbandoned) { 75289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGE("setBufferCount: BufferQueue has been abandoned"); 76289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza return NO_INIT; 77289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 78289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 793e96f1982fda358424b0b75f394cbf7c1794a072Dan Stoza if (bufferCount > BufferQueueDefs::NUM_BUFFER_SLOTS) { 80289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGE("setBufferCount: bufferCount %d too large (max %d)", 813e96f1982fda358424b0b75f394cbf7c1794a072Dan Stoza bufferCount, BufferQueueDefs::NUM_BUFFER_SLOTS); 82289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza return BAD_VALUE; 83289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 84289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 85289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // There must be no dequeued buffers when changing the buffer count. 863e96f1982fda358424b0b75f394cbf7c1794a072Dan Stoza for (int s = 0; s < BufferQueueDefs::NUM_BUFFER_SLOTS; ++s) { 87289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (mSlots[s].mBufferState == BufferSlot::DEQUEUED) { 88289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGE("setBufferCount: buffer owned by producer"); 899f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza return BAD_VALUE; 90289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 91289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 92289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 93289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (bufferCount == 0) { 94289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mCore->mOverrideMaxBufferCount = 0; 95289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mCore->mDequeueCondition.broadcast(); 96289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza return NO_ERROR; 97289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 98289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 99289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza const int minBufferSlots = mCore->getMinMaxBufferCountLocked(false); 100289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (bufferCount < minBufferSlots) { 101289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGE("setBufferCount: requested buffer count %d is less than " 102289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza "minimum %d", bufferCount, minBufferSlots); 103289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza return BAD_VALUE; 104289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 105289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 106289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // Here we are guaranteed that the producer doesn't have any dequeued 107289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // buffers and will release all of its buffer references. We don't 108289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // clear the queue, however, so that currently queued buffers still 109289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // get displayed. 110289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mCore->freeAllBuffersLocked(); 111289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mCore->mOverrideMaxBufferCount = bufferCount; 112289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mCore->mDequeueCondition.broadcast(); 113289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza listener = mCore->mConsumerListener; 114289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } // Autolock scope 115289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 116289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // Call back without lock held 117289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (listener != NULL) { 118289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza listener->onBuffersReleased(); 119289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 120289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 121289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza return NO_ERROR; 122289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza} 123289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 1249f3053de78630815d60cf48a2cf2348cc5867c45Dan Stozastatus_t BufferQueueProducer::waitForFreeSlotThenRelock(const char* caller, 1259f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza bool async, int* found, status_t* returnFlags) const { 1269f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza bool tryAgain = true; 1279f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza while (tryAgain) { 1289f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza if (mCore->mIsAbandoned) { 1299f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza BQ_LOGE("%s: BufferQueue has been abandoned", caller); 1309f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza return NO_INIT; 1319f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza } 1329f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza 1339f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza const int maxBufferCount = mCore->getMaxBufferCountLocked(async); 1349f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza if (async && mCore->mOverrideMaxBufferCount) { 1359f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // FIXME: Some drivers are manually setting the buffer count 1369f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // (which they shouldn't), so we do this extra test here to 1379f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // handle that case. This is TEMPORARY until we get this fixed. 1389f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza if (mCore->mOverrideMaxBufferCount < maxBufferCount) { 1399f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza BQ_LOGE("%s: async mode is invalid with buffer count override", 1409f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza caller); 1419f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza return BAD_VALUE; 1429f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza } 1439f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza } 1449f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza 1459f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // Free up any buffers that are in slots beyond the max buffer count 1469f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza for (int s = maxBufferCount; s < BufferQueueDefs::NUM_BUFFER_SLOTS; ++s) { 1479f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza assert(mSlots[s].mBufferState == BufferSlot::FREE); 1489f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza if (mSlots[s].mGraphicBuffer != NULL) { 1499f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza mCore->freeBufferLocked(s); 1509f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza *returnFlags |= RELEASE_ALL_BUFFERS; 1519f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza } 1529f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza } 1539f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza 1549f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // Look for a free buffer to give to the client 1559f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza *found = BufferQueueCore::INVALID_BUFFER_SLOT; 1569f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza int dequeuedCount = 0; 1579f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza int acquiredCount = 0; 1589f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza for (int s = 0; s < maxBufferCount; ++s) { 1599f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza switch (mSlots[s].mBufferState) { 1609f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza case BufferSlot::DEQUEUED: 1619f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza ++dequeuedCount; 1629f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza break; 1639f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza case BufferSlot::ACQUIRED: 1649f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza ++acquiredCount; 1659f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza break; 1669f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza case BufferSlot::FREE: 1679f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // We return the oldest of the free buffers to avoid 1689f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // stalling the producer if possible, since the consumer 1699f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // may still have pending reads of in-flight buffers 1709f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza if (*found == BufferQueueCore::INVALID_BUFFER_SLOT || 1719f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza mSlots[s].mFrameNumber < mSlots[*found].mFrameNumber) { 1729f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza *found = s; 1739f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza } 1749f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza break; 1759f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza default: 1769f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza break; 1779f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza } 1789f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza } 1799f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza 1809f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // Producers are not allowed to dequeue more than one buffer if they 1819f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // did not set a buffer count 1829f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza if (!mCore->mOverrideMaxBufferCount && dequeuedCount) { 1839f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza BQ_LOGE("%s: can't dequeue multiple buffers without setting the " 1849f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza "buffer count", caller); 1859f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza return INVALID_OPERATION; 1869f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza } 1879f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza 1889f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // See whether a buffer has been queued since the last 1899f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // setBufferCount so we know whether to perform the min undequeued 1909f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // buffers check below 1919f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza if (mCore->mBufferHasBeenQueued) { 1929f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // Make sure the producer is not trying to dequeue more buffers 1939f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // than allowed 1949f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza const int newUndequeuedCount = 1959f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza maxBufferCount - (dequeuedCount + 1); 1969f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza const int minUndequeuedCount = 1979f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza mCore->getMinUndequeuedBufferCountLocked(async); 1989f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza if (newUndequeuedCount < minUndequeuedCount) { 1999f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza BQ_LOGE("%s: min undequeued buffer count (%d) exceeded " 2009f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza "(dequeued=%d undequeued=%d)", 2019f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza caller, minUndequeuedCount, 2029f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza dequeuedCount, newUndequeuedCount); 2039f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza return INVALID_OPERATION; 2049f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza } 2059f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza } 2069f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza 2079f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // If no buffer is found, wait for a buffer to be released or for 2089f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // the max buffer count to change 2099f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza tryAgain = (*found == BufferQueueCore::INVALID_BUFFER_SLOT); 2109f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza if (tryAgain) { 2119f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // Return an error if we're in non-blocking mode (producer and 2129f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // consumer are controlled by the application). 2139f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // However, the consumer is allowed to briefly acquire an extra 2149f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // buffer (which could cause us to have to wait here), which is 2159f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // okay, since it is only used to implement an atomic acquire + 2169f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // release (e.g., in GLConsumer::updateTexImage()) 2179f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza if (mCore->mDequeueBufferCannotBlock && 2189f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza (acquiredCount <= mCore->mMaxAcquiredBufferCount)) { 2199f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza return WOULD_BLOCK; 2209f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza } 2219f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza mCore->mDequeueCondition.wait(mCore->mMutex); 2229f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza } 2239f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza } // while (tryAgain) 2249f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza 2259f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza return NO_ERROR; 2269f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza} 2279f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza 228289ade165e60b5f71734d30e535f16eb1f4313adDan Stozastatus_t BufferQueueProducer::dequeueBuffer(int *outSlot, 229289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza sp<android::Fence> *outFence, bool async, 230289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza uint32_t width, uint32_t height, uint32_t format, uint32_t usage) { 231289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza ATRACE_CALL(); 232289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza { // Autolock scope 233289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza Mutex::Autolock lock(mCore->mMutex); 234289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mConsumerName = mCore->mConsumerName; 235289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } // Autolock scope 236289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 237289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGV("dequeueBuffer: async=%s w=%u h=%u format=%#x, usage=%#x", 238289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza async ? "true" : "false", width, height, format, usage); 239289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 240289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if ((width && !height) || (!width && height)) { 241289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGE("dequeueBuffer: invalid size: w=%u h=%u", width, height); 242289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza return BAD_VALUE; 243289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 244289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 245289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza status_t returnFlags = NO_ERROR; 246289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza EGLDisplay eglDisplay = EGL_NO_DISPLAY; 247289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza EGLSyncKHR eglFence = EGL_NO_SYNC_KHR; 2489f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza bool attachedByConsumer = false; 249289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 250289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza { // Autolock scope 251289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza Mutex::Autolock lock(mCore->mMutex); 252289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 253289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (format == 0) { 254289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza format = mCore->mDefaultBufferFormat; 255289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 256289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 257289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // Enable the usage bits the consumer requested 258289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza usage |= mCore->mConsumerUsageBits; 259289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 2609f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza int found; 2619f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza status_t status = waitForFreeSlotThenRelock("dequeueBuffer", async, 2629f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza &found, &returnFlags); 2639f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza if (status != NO_ERROR) { 2649f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza return status; 2659f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza } 266289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 267289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // This should not happen 268289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (found == BufferQueueCore::INVALID_BUFFER_SLOT) { 269289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGE("dequeueBuffer: no available buffer slots"); 270289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza return -EBUSY; 271289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 272289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 273289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza *outSlot = found; 274289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza ATRACE_BUFFER_INDEX(found); 275289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 2769f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza attachedByConsumer = mSlots[found].mAttachedByConsumer; 2779f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza 278289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza const bool useDefaultSize = !width && !height; 279289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (useDefaultSize) { 280289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza width = mCore->mDefaultWidth; 281289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza height = mCore->mDefaultHeight; 282289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 283289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 284289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mSlots[found].mBufferState = BufferSlot::DEQUEUED; 285289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 286289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza const sp<GraphicBuffer>& buffer(mSlots[found].mGraphicBuffer); 287289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if ((buffer == NULL) || 288289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza (static_cast<uint32_t>(buffer->width) != width) || 289289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza (static_cast<uint32_t>(buffer->height) != height) || 290289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza (static_cast<uint32_t>(buffer->format) != format) || 291289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza ((static_cast<uint32_t>(buffer->usage) & usage) != usage)) 292289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza { 293289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mSlots[found].mAcquireCalled = false; 294289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mSlots[found].mGraphicBuffer = NULL; 295289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mSlots[found].mRequestBufferCalled = false; 296289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mSlots[found].mEglDisplay = EGL_NO_DISPLAY; 297289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mSlots[found].mEglFence = EGL_NO_SYNC_KHR; 298289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mSlots[found].mFence = Fence::NO_FENCE; 299289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 300289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza returnFlags |= BUFFER_NEEDS_REALLOCATION; 301289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 302289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 303289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (CC_UNLIKELY(mSlots[found].mFence == NULL)) { 304289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGE("dequeueBuffer: about to return a NULL fence - " 305289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza "slot=%d w=%d h=%d format=%u", 306289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza found, buffer->width, buffer->height, buffer->format); 307289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 308289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 309289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza eglDisplay = mSlots[found].mEglDisplay; 310289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza eglFence = mSlots[found].mEglFence; 311289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza *outFence = mSlots[found].mFence; 312289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mSlots[found].mEglFence = EGL_NO_SYNC_KHR; 313289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mSlots[found].mFence = Fence::NO_FENCE; 314289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } // Autolock scope 315289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 316289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (returnFlags & BUFFER_NEEDS_REALLOCATION) { 317289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza status_t error; 318289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza sp<GraphicBuffer> graphicBuffer(mCore->mAllocator->createGraphicBuffer( 319289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza width, height, format, usage, &error)); 320289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (graphicBuffer == NULL) { 321289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGE("dequeueBuffer: createGraphicBuffer failed"); 322289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza return error; 323289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 324289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 325289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza { // Autolock scope 326289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza Mutex::Autolock lock(mCore->mMutex); 327289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 328289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (mCore->mIsAbandoned) { 329289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGE("dequeueBuffer: BufferQueue has been abandoned"); 330289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza return NO_INIT; 331289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 332289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 3339f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza mSlots[*outSlot].mFrameNumber = UINT32_MAX; 334289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mSlots[*outSlot].mGraphicBuffer = graphicBuffer; 335289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } // Autolock scope 336289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 337289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 3389f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza if (attachedByConsumer) { 3399f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza returnFlags |= BUFFER_NEEDS_REALLOCATION; 3409f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza } 3419f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza 342289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (eglFence != EGL_NO_SYNC_KHR) { 343289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza EGLint result = eglClientWaitSyncKHR(eglDisplay, eglFence, 0, 344289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 1000000000); 345289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // If something goes wrong, log the error, but return the buffer without 346289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // synchronizing access to it. It's too late at this point to abort the 347289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // dequeue operation. 348289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (result == EGL_FALSE) { 349289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGE("dequeueBuffer: error %#x waiting for fence", 350289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza eglGetError()); 351289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } else if (result == EGL_TIMEOUT_EXPIRED_KHR) { 352289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGE("dequeueBuffer: timeout waiting for fence"); 353289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 354289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza eglDestroySyncKHR(eglDisplay, eglFence); 355289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 356289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 357289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGV("dequeueBuffer: returning slot=%d/%llu buf=%p flags=%#x", *outSlot, 358289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mSlots[*outSlot].mFrameNumber, 359289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mSlots[*outSlot].mGraphicBuffer->handle, returnFlags); 360289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 361289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza return returnFlags; 362289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza} 363289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 3649f3053de78630815d60cf48a2cf2348cc5867c45Dan Stozastatus_t BufferQueueProducer::detachBuffer(int slot) { 3659f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza ATRACE_CALL(); 3669f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza ATRACE_BUFFER_INDEX(slot); 3679f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza BQ_LOGV("detachBuffer(P): slot %d", slot); 3689f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza Mutex::Autolock lock(mCore->mMutex); 3699f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza 3709f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza if (mCore->mIsAbandoned) { 3719f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza BQ_LOGE("detachBuffer(P): BufferQueue has been abandoned"); 3729f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza return NO_INIT; 3739f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza } 3749f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza 3759f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza if (slot < 0 || slot >= BufferQueueDefs::NUM_BUFFER_SLOTS) { 3769f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza BQ_LOGE("detachBuffer(P): slot index %d out of range [0, %d)", 3779f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza slot, BufferQueueDefs::NUM_BUFFER_SLOTS); 3789f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza return BAD_VALUE; 3799f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza } else if (mSlots[slot].mBufferState != BufferSlot::DEQUEUED) { 3809f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza BQ_LOGE("detachBuffer(P): slot %d is not owned by the producer " 3819f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza "(state = %d)", slot, mSlots[slot].mBufferState); 3829f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza return BAD_VALUE; 3839f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza } else if (!mSlots[slot].mRequestBufferCalled) { 3849f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza BQ_LOGE("detachBuffer(P): buffer in slot %d has not been requested", 3859f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza slot); 3869f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza return BAD_VALUE; 3879f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza } 3889f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza 3899f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza mCore->freeBufferLocked(slot); 3909f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza mCore->mDequeueCondition.broadcast(); 3919f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza 3929f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza return NO_ERROR; 3939f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza} 3949f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza 3959f3053de78630815d60cf48a2cf2348cc5867c45Dan Stozastatus_t BufferQueueProducer::attachBuffer(int* outSlot, 3969f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza const sp<android::GraphicBuffer>& buffer) { 3979f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza ATRACE_CALL(); 3989f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza 3999f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza if (outSlot == NULL) { 4009f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza BQ_LOGE("attachBuffer(P): outSlot must not be NULL"); 4019f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza return BAD_VALUE; 4029f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza } else if (buffer == NULL) { 4039f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza BQ_LOGE("attachBuffer(P): cannot attach NULL buffer"); 4049f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza return BAD_VALUE; 4059f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza } 4069f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza 4079f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza Mutex::Autolock lock(mCore->mMutex); 4089f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza 4099f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza status_t returnFlags = NO_ERROR; 4109f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza int found; 4119f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // TODO: Should we provide an async flag to attachBuffer? It seems 4129f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // unlikely that buffers which we are attaching to a BufferQueue will 4139f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // be asynchronous (droppable), but it may not be impossible. 4149f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza status_t status = waitForFreeSlotThenRelock("attachBuffer(P)", false, 4159f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza &found, &returnFlags); 4169f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza if (status != NO_ERROR) { 4179f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza return status; 4189f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza } 4199f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza 4209f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // This should not happen 4219f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza if (found == BufferQueueCore::INVALID_BUFFER_SLOT) { 4229f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza BQ_LOGE("attachBuffer(P): no available buffer slots"); 4239f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza return -EBUSY; 4249f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza } 4259f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza 4269f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza *outSlot = found; 4279f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza ATRACE_BUFFER_INDEX(*outSlot); 4289f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza BQ_LOGV("attachBuffer(P): returning slot %d flags=%#x", 4299f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza *outSlot, returnFlags); 4309f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza 4319f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza mSlots[*outSlot].mGraphicBuffer = buffer; 4329f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza mSlots[*outSlot].mBufferState = BufferSlot::DEQUEUED; 4339f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza mSlots[*outSlot].mEglFence = EGL_NO_SYNC_KHR; 4349f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza mSlots[*outSlot].mFence = Fence::NO_FENCE; 4352443c7903c6910b57bcc615a4bf2e60068c15dbdDan Stoza mSlots[*outSlot].mRequestBufferCalled = true; 4369f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza 4379f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza return returnFlags; 4389f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza} 4399f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza 440289ade165e60b5f71734d30e535f16eb1f4313adDan Stozastatus_t BufferQueueProducer::queueBuffer(int slot, 441289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza const QueueBufferInput &input, QueueBufferOutput *output) { 442289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza ATRACE_CALL(); 443289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza ATRACE_BUFFER_INDEX(slot); 444289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 445289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza int64_t timestamp; 446289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza bool isAutoTimestamp; 447289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza Rect crop; 448289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza int scalingMode; 449289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza uint32_t transform; 450289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza bool async; 451289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza sp<Fence> fence; 452289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza input.deflate(×tamp, &isAutoTimestamp, &crop, &scalingMode, &transform, 453289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza &async, &fence); 454289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 455289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (fence == NULL) { 456289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGE("queueBuffer: fence is NULL"); 457289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza return BAD_VALUE; 458289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 459289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 460289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza switch (scalingMode) { 461289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza case NATIVE_WINDOW_SCALING_MODE_FREEZE: 462289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza case NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW: 463289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza case NATIVE_WINDOW_SCALING_MODE_SCALE_CROP: 464289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza case NATIVE_WINDOW_SCALING_MODE_NO_SCALE_CROP: 465289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza break; 466289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza default: 467289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGE("queueBuffer: unknown scaling mode %d", scalingMode); 4689f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza return BAD_VALUE; 469289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 470289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 471289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza sp<IConsumerListener> listener; 472289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza { // Autolock scope 473289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza Mutex::Autolock lock(mCore->mMutex); 474289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 475289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (mCore->mIsAbandoned) { 476289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGE("queueBuffer: BufferQueue has been abandoned"); 477289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza return NO_INIT; 478289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 479289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 480289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza const int maxBufferCount = mCore->getMaxBufferCountLocked(async); 481289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (async && mCore->mOverrideMaxBufferCount) { 482289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // FIXME: Some drivers are manually setting the buffer count 483289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // (which they shouldn't), so we do this extra test here to 484289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // handle that case. This is TEMPORARY until we get this fixed. 485289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (mCore->mOverrideMaxBufferCount < maxBufferCount) { 486289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGE("queueBuffer: async mode is invalid with " 487289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza "buffer count override"); 488289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza return BAD_VALUE; 489289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 490289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 491289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 492289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (slot < 0 || slot >= maxBufferCount) { 493289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGE("queueBuffer: slot index %d out of range [0, %d)", 494289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza slot, maxBufferCount); 4959f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza return BAD_VALUE; 496289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } else if (mSlots[slot].mBufferState != BufferSlot::DEQUEUED) { 497289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGE("queueBuffer: slot %d is not owned by the producer " 498289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza "(state = %d)", slot, mSlots[slot].mBufferState); 4999f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza return BAD_VALUE; 500289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } else if (!mSlots[slot].mRequestBufferCalled) { 501289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGE("queueBuffer: slot %d was queued without requesting " 502289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza "a buffer", slot); 5039f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza return BAD_VALUE; 504289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 505289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 506289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGV("queueBuffer: slot=%d/%llu time=%llu crop=[%d,%d,%d,%d] " 507289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza "transform=%#x scale=%s", 508289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza slot, mCore->mFrameCounter + 1, timestamp, 509289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza crop.left, crop.top, crop.right, crop.bottom, 510289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza transform, BufferItem::scalingModeName(scalingMode)); 511289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 512289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza const sp<GraphicBuffer>& graphicBuffer(mSlots[slot].mGraphicBuffer); 513289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza Rect bufferRect(graphicBuffer->getWidth(), graphicBuffer->getHeight()); 514289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza Rect croppedRect; 515289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza crop.intersect(bufferRect, &croppedRect); 516289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (croppedRect != crop) { 517289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGE("queueBuffer: crop rect is not contained within the " 518289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza "buffer in slot %d", slot); 5199f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza return BAD_VALUE; 520289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 521289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 522289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mSlots[slot].mFence = fence; 523289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mSlots[slot].mBufferState = BufferSlot::QUEUED; 524289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza ++mCore->mFrameCounter; 525289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mSlots[slot].mFrameNumber = mCore->mFrameCounter; 526289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 527289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BufferItem item; 528289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza item.mAcquireCalled = mSlots[slot].mAcquireCalled; 529289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza item.mGraphicBuffer = mSlots[slot].mGraphicBuffer; 530289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza item.mCrop = crop; 531289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza item.mTransform = transform & ~NATIVE_WINDOW_TRANSFORM_INVERSE_DISPLAY; 532289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza item.mTransformToDisplayInverse = 533289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza bool(transform & NATIVE_WINDOW_TRANSFORM_INVERSE_DISPLAY); 534289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza item.mScalingMode = scalingMode; 535289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza item.mTimestamp = timestamp; 536289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza item.mIsAutoTimestamp = isAutoTimestamp; 537289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza item.mFrameNumber = mCore->mFrameCounter; 538289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza item.mSlot = slot; 539289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza item.mFence = fence; 540289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza item.mIsDroppable = mCore->mDequeueBufferCannotBlock || async; 541289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 542289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (mCore->mQueue.empty()) { 543289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // When the queue is empty, we can ignore mDequeueBufferCannotBlock 544289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // and simply queue this buffer 545289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mCore->mQueue.push_back(item); 546289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza listener = mCore->mConsumerListener; 547289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } else { 548289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // When the queue is not empty, we need to look at the front buffer 549289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // state to see if we need to replace it 550289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BufferQueueCore::Fifo::iterator front(mCore->mQueue.begin()); 551289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (front->mIsDroppable) { 552289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // If the front queued buffer is still being tracked, we first 553289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // mark it as freed 554289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (mCore->stillTracking(front)) { 555289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mSlots[front->mSlot].mBufferState = BufferSlot::FREE; 556289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // Reset the frame number of the freed buffer so that it is 557289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // the first in line to be dequeued again 558289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mSlots[front->mSlot].mFrameNumber = 0; 559289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 560289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // Overwrite the droppable buffer with the incoming one 561289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza *front = item; 562289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } else { 563289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mCore->mQueue.push_back(item); 564289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza listener = mCore->mConsumerListener; 565289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 566289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 567289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 568289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mCore->mBufferHasBeenQueued = true; 569289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mCore->mDequeueCondition.broadcast(); 570289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 571289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza output->inflate(mCore->mDefaultWidth, mCore->mDefaultHeight, 572289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mCore->mTransformHint, mCore->mQueue.size()); 573289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 574289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza ATRACE_INT(mCore->mConsumerName.string(), mCore->mQueue.size()); 575289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } // Autolock scope 576289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 577289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // Call back without lock held 578289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (listener != NULL) { 579289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza listener->onFrameAvailable(); 580289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 581289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 582289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza return NO_ERROR; 583289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza} 584289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 585289ade165e60b5f71734d30e535f16eb1f4313adDan Stozavoid BufferQueueProducer::cancelBuffer(int slot, const sp<Fence>& fence) { 586289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza ATRACE_CALL(); 587289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGV("cancelBuffer: slot %d", slot); 588289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza Mutex::Autolock lock(mCore->mMutex); 589289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 590289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (mCore->mIsAbandoned) { 591289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGE("cancelBuffer: BufferQueue has been abandoned"); 592289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza return; 593289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 594289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 5953e96f1982fda358424b0b75f394cbf7c1794a072Dan Stoza if (slot < 0 || slot >= BufferQueueDefs::NUM_BUFFER_SLOTS) { 596289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGE("cancelBuffer: slot index %d out of range [0, %d)", 5973e96f1982fda358424b0b75f394cbf7c1794a072Dan Stoza slot, BufferQueueDefs::NUM_BUFFER_SLOTS); 598289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza return; 599289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } else if (mSlots[slot].mBufferState != BufferSlot::DEQUEUED) { 600289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGE("cancelBuffer: slot %d is not owned by the producer " 601289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza "(state = %d)", slot, mSlots[slot].mBufferState); 602289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza return; 603289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } else if (fence == NULL) { 604289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGE("cancelBuffer: fence is NULL"); 605289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza return; 606289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 607289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 608289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mSlots[slot].mBufferState = BufferSlot::FREE; 609289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mSlots[slot].mFrameNumber = 0; 610289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mSlots[slot].mFence = fence; 611289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mCore->mDequeueCondition.broadcast(); 612289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza} 613289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 614289ade165e60b5f71734d30e535f16eb1f4313adDan Stozaint BufferQueueProducer::query(int what, int *outValue) { 615289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza ATRACE_CALL(); 616289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza Mutex::Autolock lock(mCore->mMutex); 617289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 618289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (outValue == NULL) { 619289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGE("query: outValue was NULL"); 620289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza return BAD_VALUE; 621289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 622289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 623289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (mCore->mIsAbandoned) { 624289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGE("query: BufferQueue has been abandoned"); 625289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza return NO_INIT; 626289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 627289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 628289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza int value; 629289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza switch (what) { 630289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza case NATIVE_WINDOW_WIDTH: 631289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza value = mCore->mDefaultWidth; 632289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza break; 633289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza case NATIVE_WINDOW_HEIGHT: 634289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza value = mCore->mDefaultHeight; 635289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza break; 636289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza case NATIVE_WINDOW_FORMAT: 637289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza value = mCore->mDefaultBufferFormat; 638289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza break; 639289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza case NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS: 640289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza value = mCore->getMinUndequeuedBufferCountLocked(false); 641289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza break; 642289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza case NATIVE_WINDOW_CONSUMER_RUNNING_BEHIND: 643289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza value = (mCore->mQueue.size() > 1); 644289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza break; 645289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza case NATIVE_WINDOW_CONSUMER_USAGE_BITS: 646289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza value = mCore->mConsumerUsageBits; 647289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza break; 648289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza default: 649289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza return BAD_VALUE; 650289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 651289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 652289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGV("query: %d? %d", what, value); 653289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza *outValue = value; 654289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza return NO_ERROR; 655289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza} 656289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 657289ade165e60b5f71734d30e535f16eb1f4313adDan Stozastatus_t BufferQueueProducer::connect(const sp<android::IBinder> &token, 658289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza int api, bool producerControlledByApp, QueueBufferOutput *output) { 659289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza ATRACE_CALL(); 660289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza Mutex::Autolock lock(mCore->mMutex); 661289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mConsumerName = mCore->mConsumerName; 662289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGV("connect(P): api=%d producerControlledByApp=%s", api, 663289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza producerControlledByApp ? "true" : "false"); 664289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 665289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // If we disconnect and reconnect quickly, we can be in a state where our 666289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // slots are empty but we have many buffers in the queue. This can cause us 667289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // to run out of memory if we outrun the consumer. Wait here if it looks 668289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // like we have too many buffers queued up. 669289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza while (true) { 670289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (mCore->mIsAbandoned) { 671289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGE("connect(P): BufferQueue has been abandoned"); 672289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza return NO_INIT; 673289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 674289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 675289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (mCore->mConsumerListener == NULL) { 676289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGE("connect(P): BufferQueue has no consumer"); 677289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza return NO_INIT; 678289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 679289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 680289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (output == NULL) { 681289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGE("connect(P): output was NULL"); 682289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza return BAD_VALUE; 683289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 684289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 685289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (mCore->mConnectedApi != BufferQueueCore::NO_CONNECTED_API) { 686289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGE("connect(P): already connected (cur=%d req=%d)", 687289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mCore->mConnectedApi, api); 688289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza return BAD_VALUE; 689289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 690289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 691289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza size_t maxBufferCount = mCore->getMaxBufferCountLocked(false); 692289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (mCore->mQueue.size() <= maxBufferCount) { 693289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // The queue size seems small enough to proceed 694289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // TODO: Make this bound tighter? 695289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza break; 696289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 697289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 698289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGV("connect(P): queue size is %d, waiting", mCore->mQueue.size()); 699289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mCore->mDequeueCondition.wait(mCore->mMutex); 700289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 701289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 702289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza int status = NO_ERROR; 703289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza switch (api) { 704289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza case NATIVE_WINDOW_API_EGL: 705289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza case NATIVE_WINDOW_API_CPU: 706289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza case NATIVE_WINDOW_API_MEDIA: 707289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza case NATIVE_WINDOW_API_CAMERA: 708289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mCore->mConnectedApi = api; 709289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza output->inflate(mCore->mDefaultWidth, mCore->mDefaultHeight, 710289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mCore->mTransformHint, mCore->mQueue.size()); 711289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 712289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // Set up a death notification so that we can disconnect 713289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // automatically if the remote producer dies 714289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (token != NULL && token->remoteBinder() != NULL) { 715289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza status = token->linkToDeath( 716289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza static_cast<IBinder::DeathRecipient*>(this)); 717289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (status == NO_ERROR) { 718289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mCore->mConnectedProducerToken = token; 719289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } else { 720289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGE("connect(P): linkToDeath failed: %s (%d)", 721289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza strerror(-status), status); 722289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 723289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 724289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza break; 725289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza default: 726289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGE("connect(P): unknown API %d", api); 727289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza status = BAD_VALUE; 728289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza break; 729289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 730289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 731289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mCore->mBufferHasBeenQueued = false; 732289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mCore->mDequeueBufferCannotBlock = 733289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mCore->mConsumerControlledByApp && producerControlledByApp; 734289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 735289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza return status; 736289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza} 737289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 738289ade165e60b5f71734d30e535f16eb1f4313adDan Stozastatus_t BufferQueueProducer::disconnect(int api) { 739289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza ATRACE_CALL(); 740289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGV("disconnect(P): api %d", api); 741289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 742289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza int status = NO_ERROR; 743289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza sp<IConsumerListener> listener; 744289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza { // Autolock scope 745289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza Mutex::Autolock lock(mCore->mMutex); 746289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 747289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (mCore->mIsAbandoned) { 748289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // It's not really an error to disconnect after the surface has 749289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // been abandoned; it should just be a no-op. 750289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza return NO_ERROR; 751289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 752289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 753289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza switch (api) { 754289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza case NATIVE_WINDOW_API_EGL: 755289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza case NATIVE_WINDOW_API_CPU: 756289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza case NATIVE_WINDOW_API_MEDIA: 757289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza case NATIVE_WINDOW_API_CAMERA: 758289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (mCore->mConnectedApi == api) { 759289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mCore->freeAllBuffersLocked(); 760289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 761289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // Remove our death notification callback if we have one 762289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza sp<IBinder> token = mCore->mConnectedProducerToken; 763289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (token != NULL) { 764289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // This can fail if we're here because of the death 765289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // notification, but we just ignore it 766289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza token->unlinkToDeath( 767289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza static_cast<IBinder::DeathRecipient*>(this)); 768289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 769289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mCore->mConnectedProducerToken = NULL; 770289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mCore->mConnectedApi = BufferQueueCore::NO_CONNECTED_API; 771399184a4cd728ea1421fb0bc1722274a29e38f4aJesse Hall mCore->mSidebandStream.clear(); 772289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mCore->mDequeueCondition.broadcast(); 773289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza listener = mCore->mConsumerListener; 774289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } else { 775289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGE("disconnect(P): connected to another API " 776289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza "(cur=%d req=%d)", mCore->mConnectedApi, api); 7779f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza status = BAD_VALUE; 778289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 779289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza break; 780289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza default: 781289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza BQ_LOGE("disconnect(P): unknown API %d", api); 7829f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza status = BAD_VALUE; 783289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza break; 784289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 785289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } // Autolock scope 786289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 787289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // Call back without lock held 788289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (listener != NULL) { 789289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza listener->onBuffersReleased(); 790289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 791289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 792289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza return status; 793289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza} 794289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 795399184a4cd728ea1421fb0bc1722274a29e38f4aJesse Hallstatus_t BufferQueueProducer::setSidebandStream(const sp<NativeHandle>& stream) { 796399184a4cd728ea1421fb0bc1722274a29e38f4aJesse Hall Mutex::Autolock _l(mCore->mMutex); 797399184a4cd728ea1421fb0bc1722274a29e38f4aJesse Hall mCore->mSidebandStream = stream; 798399184a4cd728ea1421fb0bc1722274a29e38f4aJesse Hall return NO_ERROR; 799399184a4cd728ea1421fb0bc1722274a29e38f4aJesse Hall} 800399184a4cd728ea1421fb0bc1722274a29e38f4aJesse Hall 801289ade165e60b5f71734d30e535f16eb1f4313adDan Stozavoid BufferQueueProducer::binderDied(const wp<android::IBinder>& /* who */) { 802289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // If we're here, it means that a producer we were connected to died. 803289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // We're guaranteed that we are still connected to it because we remove 804289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // this callback upon disconnect. It's therefore safe to read mConnectedApi 805289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // without synchronization here. 806289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza int api = mCore->mConnectedApi; 807289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza disconnect(api); 808289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza} 809289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 810289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza} // namespace android 811