BufferQueue.cpp revision 5e5efde7874a9fab650fd4b724ceef46db850470
16b091c53000c843211c218ce40287a7edca9bc63Daniel Lam/* 26b091c53000c843211c218ce40287a7edca9bc63Daniel Lam * Copyright (C) 2012 The Android Open Source Project 36b091c53000c843211c218ce40287a7edca9bc63Daniel Lam * 46b091c53000c843211c218ce40287a7edca9bc63Daniel Lam * Licensed under the Apache License, Version 2.0 (the "License"); 56b091c53000c843211c218ce40287a7edca9bc63Daniel Lam * you may not use this file except in compliance with the License. 66b091c53000c843211c218ce40287a7edca9bc63Daniel Lam * You may obtain a copy of the License at 76b091c53000c843211c218ce40287a7edca9bc63Daniel Lam * 86b091c53000c843211c218ce40287a7edca9bc63Daniel Lam * http://www.apache.org/licenses/LICENSE-2.0 96b091c53000c843211c218ce40287a7edca9bc63Daniel Lam * 106b091c53000c843211c218ce40287a7edca9bc63Daniel Lam * Unless required by applicable law or agreed to in writing, software 116b091c53000c843211c218ce40287a7edca9bc63Daniel Lam * distributed under the License is distributed on an "AS IS" BASIS, 126b091c53000c843211c218ce40287a7edca9bc63Daniel Lam * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 136b091c53000c843211c218ce40287a7edca9bc63Daniel Lam * See the License for the specific language governing permissions and 146b091c53000c843211c218ce40287a7edca9bc63Daniel Lam * limitations under the License. 156b091c53000c843211c218ce40287a7edca9bc63Daniel Lam */ 166b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 176b091c53000c843211c218ce40287a7edca9bc63Daniel Lam#define LOG_TAG "BufferQueue" 181c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis#define ATRACE_TAG ATRACE_TAG_GRAPHICS 19fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis//#define LOG_NDEBUG 0 206b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 216b091c53000c843211c218ce40287a7edca9bc63Daniel Lam#define GL_GLEXT_PROTOTYPES 226b091c53000c843211c218ce40287a7edca9bc63Daniel Lam#define EGL_EGLEXT_PROTOTYPES 236b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 246b091c53000c843211c218ce40287a7edca9bc63Daniel Lam#include <EGL/egl.h> 256b091c53000c843211c218ce40287a7edca9bc63Daniel Lam#include <EGL/eglext.h> 266b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 276b091c53000c843211c218ce40287a7edca9bc63Daniel Lam#include <gui/BufferQueue.h> 2890ac799241f077a7b7e6c1875fd933864c8dd2a7Mathias Agopian#include <gui/ISurfaceComposer.h> 296b091c53000c843211c218ce40287a7edca9bc63Daniel Lam#include <private/gui/ComposerService.h> 306b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 316b091c53000c843211c218ce40287a7edca9bc63Daniel Lam#include <utils/Log.h> 32eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam#include <gui/SurfaceTexture.h> 331c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis#include <utils/Trace.h> 346b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 356b091c53000c843211c218ce40287a7edca9bc63Daniel Lam// This compile option causes SurfaceTexture to return the buffer that is currently 366b091c53000c843211c218ce40287a7edca9bc63Daniel Lam// attached to the GL texture from dequeueBuffer when no other buffers are 376b091c53000c843211c218ce40287a7edca9bc63Daniel Lam// available. It requires the drivers (Gralloc, GL, OMX IL, and Camera) to do 386b091c53000c843211c218ce40287a7edca9bc63Daniel Lam// implicit cross-process synchronization to prevent the buffer from being 396b091c53000c843211c218ce40287a7edca9bc63Daniel Lam// written to before the buffer has (a) been detached from the GL texture and 406b091c53000c843211c218ce40287a7edca9bc63Daniel Lam// (b) all GL reads from the buffer have completed. 41eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 42eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam// During refactoring, do not support dequeuing the current buffer 43eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam#undef ALLOW_DEQUEUE_CURRENT_BUFFER 44eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 456b091c53000c843211c218ce40287a7edca9bc63Daniel Lam#ifdef ALLOW_DEQUEUE_CURRENT_BUFFER 466b091c53000c843211c218ce40287a7edca9bc63Daniel Lam#define FLAG_ALLOW_DEQUEUE_CURRENT_BUFFER true 476b091c53000c843211c218ce40287a7edca9bc63Daniel Lam#warning "ALLOW_DEQUEUE_CURRENT_BUFFER enabled" 486b091c53000c843211c218ce40287a7edca9bc63Daniel Lam#else 496b091c53000c843211c218ce40287a7edca9bc63Daniel Lam#define FLAG_ALLOW_DEQUEUE_CURRENT_BUFFER false 506b091c53000c843211c218ce40287a7edca9bc63Daniel Lam#endif 516b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 526b091c53000c843211c218ce40287a7edca9bc63Daniel Lam// Macros for including the BufferQueue name in log messages 53eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam#define ST_LOGV(x, ...) ALOGV("[%s] "x, mConsumerName.string(), ##__VA_ARGS__) 54eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam#define ST_LOGD(x, ...) ALOGD("[%s] "x, mConsumerName.string(), ##__VA_ARGS__) 55eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam#define ST_LOGI(x, ...) ALOGI("[%s] "x, mConsumerName.string(), ##__VA_ARGS__) 56eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam#define ST_LOGW(x, ...) ALOGW("[%s] "x, mConsumerName.string(), ##__VA_ARGS__) 57eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam#define ST_LOGE(x, ...) ALOGE("[%s] "x, mConsumerName.string(), ##__VA_ARGS__) 586b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 59546ed2d7d98ce4f1415647913a231a6b4fc6ca66Mathias Agopian#define ATRACE_BUFFER_INDEX(index) \ 60695e331f01b136155b1559b3c878b7c5bb631bc1Jamie Gennis if (ATRACE_ENABLED()) { \ 61695e331f01b136155b1559b3c878b7c5bb631bc1Jamie Gennis char ___traceBuf[1024]; \ 62695e331f01b136155b1559b3c878b7c5bb631bc1Jamie Gennis snprintf(___traceBuf, 1024, "%s: %d", mConsumerName.string(), \ 63695e331f01b136155b1559b3c878b7c5bb631bc1Jamie Gennis (index)); \ 64695e331f01b136155b1559b3c878b7c5bb631bc1Jamie Gennis android::ScopedTrace ___bufTracer(ATRACE_TAG, ___traceBuf); \ 65695e331f01b136155b1559b3c878b7c5bb631bc1Jamie Gennis } 66546ed2d7d98ce4f1415647913a231a6b4fc6ca66Mathias Agopian 676b091c53000c843211c218ce40287a7edca9bc63Daniel Lamnamespace android { 686b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 696b091c53000c843211c218ce40287a7edca9bc63Daniel Lam// Get an ID that's unique within this process. 706b091c53000c843211c218ce40287a7edca9bc63Daniel Lamstatic int32_t createProcessUniqueId() { 716b091c53000c843211c218ce40287a7edca9bc63Daniel Lam static volatile int32_t globalCounter = 0; 726b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return android_atomic_inc(&globalCounter); 736b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 746b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 75cd1806e210f2633423f0fb14d39fa00d03974223Jamie Gennisstatic const char* scalingModeName(int scalingMode) { 76cd1806e210f2633423f0fb14d39fa00d03974223Jamie Gennis switch (scalingMode) { 77cd1806e210f2633423f0fb14d39fa00d03974223Jamie Gennis case NATIVE_WINDOW_SCALING_MODE_FREEZE: return "FREEZE"; 78cd1806e210f2633423f0fb14d39fa00d03974223Jamie Gennis case NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW: return "SCALE_TO_WINDOW"; 79cd1806e210f2633423f0fb14d39fa00d03974223Jamie Gennis case NATIVE_WINDOW_SCALING_MODE_SCALE_CROP: return "SCALE_CROP"; 80cd1806e210f2633423f0fb14d39fa00d03974223Jamie Gennis default: return "Unknown"; 81cd1806e210f2633423f0fb14d39fa00d03974223Jamie Gennis } 82cd1806e210f2633423f0fb14d39fa00d03974223Jamie Gennis} 83cd1806e210f2633423f0fb14d39fa00d03974223Jamie Gennis 8472f096fb1ad0a0deadbfac5f88627461905d38e8Jamie GennisBufferQueue::BufferQueue(bool allowSynchronousMode, 853e87601170141229d661df93e2f59e1ced73474bMathias Agopian const sp<IGraphicBufferAlloc>& allocator) : 866b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mDefaultWidth(1), 876b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mDefaultHeight(1), 8872f096fb1ad0a0deadbfac5f88627461905d38e8Jamie Gennis mMaxAcquiredBufferCount(1), 8972f096fb1ad0a0deadbfac5f88627461905d38e8Jamie Gennis mDefaultMaxBufferCount(2), 9031a353da225af5329735451c761b430d82dfda1bJamie Gennis mOverrideMaxBufferCount(0), 916b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSynchronousMode(false), 926b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mAllowSynchronousMode(allowSynchronousMode), 936b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mConnectedApi(NO_CONNECTED_API), 946b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mAbandoned(false), 95eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mFrameCounter(0), 96b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam mBufferHasBeenQueued(false), 971a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis mDefaultBufferFormat(PIXEL_FORMAT_RGBA_8888), 98b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam mConsumerUsageBits(0), 99b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam mTransformHint(0) 1006b091c53000c843211c218ce40287a7edca9bc63Daniel Lam{ 1016b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // Choose a name using the PID and a process-unique ID. 102eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mConsumerName = String8::format("unnamed-%d-%d", getpid(), createProcessUniqueId()); 1036b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 1046b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGV("BufferQueue"); 1053e87601170141229d661df93e2f59e1ced73474bMathias Agopian if (allocator == NULL) { 1063e87601170141229d661df93e2f59e1ced73474bMathias Agopian sp<ISurfaceComposer> composer(ComposerService::getComposerService()); 1073e87601170141229d661df93e2f59e1ced73474bMathias Agopian mGraphicBufferAlloc = composer->createGraphicBufferAlloc(); 1083e87601170141229d661df93e2f59e1ced73474bMathias Agopian if (mGraphicBufferAlloc == 0) { 1093e87601170141229d661df93e2f59e1ced73474bMathias Agopian ST_LOGE("createGraphicBufferAlloc() failed in BufferQueue()"); 1103e87601170141229d661df93e2f59e1ced73474bMathias Agopian } 1113e87601170141229d661df93e2f59e1ced73474bMathias Agopian } else { 1123e87601170141229d661df93e2f59e1ced73474bMathias Agopian mGraphicBufferAlloc = allocator; 113abe61bfda4938abd932465e27c29ba9e41aea606Daniel Lam } 1146b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 1156b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 1166b091c53000c843211c218ce40287a7edca9bc63Daniel LamBufferQueue::~BufferQueue() { 1176b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGV("~BufferQueue"); 1186b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 1196b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 12031a353da225af5329735451c761b430d82dfda1bJamie Gennisstatus_t BufferQueue::setDefaultMaxBufferCountLocked(int count) { 121e191e6c34829aec406a9cfe3e95211f884a311ffJamie Gennis if (count < 2 || count > NUM_BUFFER_SLOTS) 1226b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return BAD_VALUE; 1236b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 12431a353da225af5329735451c761b430d82dfda1bJamie Gennis mDefaultMaxBufferCount = count; 125e191e6c34829aec406a9cfe3e95211f884a311ffJamie Gennis mDequeueCondition.broadcast(); 1261a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis 1276b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return OK; 1286b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 1296b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 130eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lambool BufferQueue::isSynchronousMode() const { 131eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam Mutex::Autolock lock(mMutex); 132eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam return mSynchronousMode; 133eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam} 134eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 135eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lamvoid BufferQueue::setConsumerName(const String8& name) { 136eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam Mutex::Autolock lock(mMutex); 137eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mConsumerName = name; 138eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam} 139eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 140b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lamstatus_t BufferQueue::setDefaultBufferFormat(uint32_t defaultFormat) { 141b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam Mutex::Autolock lock(mMutex); 142b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam mDefaultBufferFormat = defaultFormat; 143b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam return OK; 144b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam} 145b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam 146b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lamstatus_t BufferQueue::setConsumerUsageBits(uint32_t usage) { 147b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam Mutex::Autolock lock(mMutex); 148b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam mConsumerUsageBits = usage; 149b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam return OK; 150b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam} 151b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam 152b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lamstatus_t BufferQueue::setTransformHint(uint32_t hint) { 153b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam Mutex::Autolock lock(mMutex); 154b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam mTransformHint = hint; 155b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam return OK; 156b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam} 157b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam 1586b091c53000c843211c218ce40287a7edca9bc63Daniel Lamstatus_t BufferQueue::setBufferCount(int bufferCount) { 1596b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGV("setBufferCount: count=%d", bufferCount); 1606b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 1619abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam sp<ConsumerListener> listener; 1629abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam { 1639abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam Mutex::Autolock lock(mMutex); 1646b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 1659abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam if (mAbandoned) { 1669abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam ST_LOGE("setBufferCount: SurfaceTexture has been abandoned!"); 1679abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam return NO_INIT; 1689abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam } 1699abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam if (bufferCount > NUM_BUFFER_SLOTS) { 1709abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam ST_LOGE("setBufferCount: bufferCount larger than slots available"); 1719abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam return BAD_VALUE; 1726b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 1736b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 1749abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam // Error out if the user has dequeued buffers 175e191e6c34829aec406a9cfe3e95211f884a311ffJamie Gennis int maxBufferCount = getMaxBufferCountLocked(); 176e191e6c34829aec406a9cfe3e95211f884a311ffJamie Gennis for (int i=0 ; i<maxBufferCount; i++) { 1779abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam if (mSlots[i].mBufferState == BufferSlot::DEQUEUED) { 1789abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam ST_LOGE("setBufferCount: client owns some buffers"); 1799abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam return -EINVAL; 1809abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam } 1819abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam } 1826b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 18331a353da225af5329735451c761b430d82dfda1bJamie Gennis const int minBufferSlots = getMinMaxBufferCountLocked(); 1849abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam if (bufferCount == 0) { 18531a353da225af5329735451c761b430d82dfda1bJamie Gennis mOverrideMaxBufferCount = 0; 186e191e6c34829aec406a9cfe3e95211f884a311ffJamie Gennis mDequeueCondition.broadcast(); 187e191e6c34829aec406a9cfe3e95211f884a311ffJamie Gennis return OK; 1889abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam } 1899abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam 1909abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam if (bufferCount < minBufferSlots) { 1919abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam ST_LOGE("setBufferCount: requested buffer count (%d) is less than " 1929abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam "minimum (%d)", bufferCount, minBufferSlots); 1939abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam return BAD_VALUE; 1949abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam } 1959abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam 1969abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam // here we're guaranteed that the client doesn't have dequeued buffers 1979abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam // and will release all of its buffer references. 198e191e6c34829aec406a9cfe3e95211f884a311ffJamie Gennis // 199e191e6c34829aec406a9cfe3e95211f884a311ffJamie Gennis // XXX: Should this use drainQueueAndFreeBuffersLocked instead? 2009abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam freeAllBuffersLocked(); 20131a353da225af5329735451c761b430d82dfda1bJamie Gennis mOverrideMaxBufferCount = bufferCount; 2029abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam mBufferHasBeenQueued = false; 2039abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam mDequeueCondition.broadcast(); 2049abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam listener = mConsumerListener; 2059abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam } // scope for lock 2069abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam 2079abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam if (listener != NULL) { 2089abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam listener->onBuffersReleased(); 2096b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 2106b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 2116b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return OK; 2126b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 2136b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 214b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lamint BufferQueue::query(int what, int* outValue) 215b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam{ 2161c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis ATRACE_CALL(); 217b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam Mutex::Autolock lock(mMutex); 218b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam 219b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam if (mAbandoned) { 220b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam ST_LOGE("query: SurfaceTexture has been abandoned!"); 221b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam return NO_INIT; 222b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam } 223b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam 224b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam int value; 225b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam switch (what) { 226b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam case NATIVE_WINDOW_WIDTH: 227b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam value = mDefaultWidth; 228b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam break; 229b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam case NATIVE_WINDOW_HEIGHT: 230b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam value = mDefaultHeight; 231b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam break; 232b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam case NATIVE_WINDOW_FORMAT: 2331a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis value = mDefaultBufferFormat; 234b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam break; 235b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam case NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS: 23672f096fb1ad0a0deadbfac5f88627461905d38e8Jamie Gennis value = getMinUndequeuedBufferCountLocked(); 237b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam break; 2382488b20aec097accb20a853d9876bb0a5dc04636Mathias Agopian case NATIVE_WINDOW_CONSUMER_RUNNING_BEHIND: 2392488b20aec097accb20a853d9876bb0a5dc04636Mathias Agopian value = (mQueue.size() >= 2); 2402488b20aec097accb20a853d9876bb0a5dc04636Mathias Agopian break; 241b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam default: 242b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam return BAD_VALUE; 243b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam } 244b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam outValue[0] = value; 245b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam return NO_ERROR; 246b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam} 247b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam 2486b091c53000c843211c218ce40287a7edca9bc63Daniel Lamstatus_t BufferQueue::requestBuffer(int slot, sp<GraphicBuffer>* buf) { 2491c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis ATRACE_CALL(); 2506b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGV("requestBuffer: slot=%d", slot); 2516b091c53000c843211c218ce40287a7edca9bc63Daniel Lam Mutex::Autolock lock(mMutex); 2526b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mAbandoned) { 2536b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("requestBuffer: SurfaceTexture has been abandoned!"); 2546b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return NO_INIT; 2556b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 256e191e6c34829aec406a9cfe3e95211f884a311ffJamie Gennis int maxBufferCount = getMaxBufferCountLocked(); 257e191e6c34829aec406a9cfe3e95211f884a311ffJamie Gennis if (slot < 0 || maxBufferCount <= slot) { 2586b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("requestBuffer: slot index out of range [0, %d]: %d", 259e191e6c34829aec406a9cfe3e95211f884a311ffJamie Gennis maxBufferCount, slot); 260e191e6c34829aec406a9cfe3e95211f884a311ffJamie Gennis return BAD_VALUE; 261e191e6c34829aec406a9cfe3e95211f884a311ffJamie Gennis } else if (mSlots[slot].mBufferState != BufferSlot::DEQUEUED) { 262e191e6c34829aec406a9cfe3e95211f884a311ffJamie Gennis // XXX: I vaguely recall there was some reason this can be valid, but 263e191e6c34829aec406a9cfe3e95211f884a311ffJamie Gennis // for the life of me I can't recall under what circumstances that's 264e191e6c34829aec406a9cfe3e95211f884a311ffJamie Gennis // the case. 265e191e6c34829aec406a9cfe3e95211f884a311ffJamie Gennis ST_LOGE("requestBuffer: slot %d is not owned by the client (state=%d)", 266e191e6c34829aec406a9cfe3e95211f884a311ffJamie Gennis slot, mSlots[slot].mBufferState); 2676b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return BAD_VALUE; 2686b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 2696b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[slot].mRequestBufferCalled = true; 2706b091c53000c843211c218ce40287a7edca9bc63Daniel Lam *buf = mSlots[slot].mGraphicBuffer; 2716b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return NO_ERROR; 2726b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 2736b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 274f78575400977f644cf0b12beb2fa5fc278b6ed4cJesse Hallstatus_t BufferQueue::dequeueBuffer(int *outBuf, sp<Fence>& outFence, 275f78575400977f644cf0b12beb2fa5fc278b6ed4cJesse Hall uint32_t w, uint32_t h, uint32_t format, uint32_t usage) { 2761c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis ATRACE_CALL(); 2776b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGV("dequeueBuffer: w=%d h=%d fmt=%#x usage=%#x", w, h, format, usage); 2786b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 2796b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if ((w && !h) || (!w && h)) { 2806b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("dequeueBuffer: invalid size: w=%u, h=%u", w, h); 2816b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return BAD_VALUE; 2826b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 2836b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 2846b091c53000c843211c218ce40287a7edca9bc63Daniel Lam status_t returnFlags(OK); 2856b091c53000c843211c218ce40287a7edca9bc63Daniel Lam EGLDisplay dpy = EGL_NO_DISPLAY; 286c777b0b3b9b0ea5d8e378fccde6935765e28e329Jesse Hall EGLSyncKHR eglFence = EGL_NO_SYNC_KHR; 2876b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 2886b091c53000c843211c218ce40287a7edca9bc63Daniel Lam { // Scope for the lock 2896b091c53000c843211c218ce40287a7edca9bc63Daniel Lam Mutex::Autolock lock(mMutex); 2906b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 291b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam if (format == 0) { 292b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam format = mDefaultBufferFormat; 293b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam } 294b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam // turn on usage bits the consumer requested 295b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam usage |= mConsumerUsageBits; 296b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam 2976b091c53000c843211c218ce40287a7edca9bc63Daniel Lam int found = -1; 2986b091c53000c843211c218ce40287a7edca9bc63Daniel Lam int dequeuedCount = 0; 2996b091c53000c843211c218ce40287a7edca9bc63Daniel Lam bool tryAgain = true; 3006b091c53000c843211c218ce40287a7edca9bc63Daniel Lam while (tryAgain) { 3016b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mAbandoned) { 3026b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("dequeueBuffer: SurfaceTexture has been abandoned!"); 3036b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return NO_INIT; 3046b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 3056b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 306e191e6c34829aec406a9cfe3e95211f884a311ffJamie Gennis const int maxBufferCount = getMaxBufferCountLocked(); 3076b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 308e191e6c34829aec406a9cfe3e95211f884a311ffJamie Gennis // Free up any buffers that are in slots beyond the max buffer 309e191e6c34829aec406a9cfe3e95211f884a311ffJamie Gennis // count. 310e191e6c34829aec406a9cfe3e95211f884a311ffJamie Gennis for (int i = maxBufferCount; i < NUM_BUFFER_SLOTS; i++) { 311e191e6c34829aec406a9cfe3e95211f884a311ffJamie Gennis assert(mSlots[i].mBufferState == BufferSlot::FREE); 312e191e6c34829aec406a9cfe3e95211f884a311ffJamie Gennis if (mSlots[i].mGraphicBuffer != NULL) { 313e191e6c34829aec406a9cfe3e95211f884a311ffJamie Gennis freeBufferLocked(i); 314e191e6c34829aec406a9cfe3e95211f884a311ffJamie Gennis returnFlags |= ISurfaceTexture::RELEASE_ALL_BUFFERS; 315e191e6c34829aec406a9cfe3e95211f884a311ffJamie Gennis } 3166b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 3176b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 3186b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // look for a free buffer to give to the client 3196b091c53000c843211c218ce40287a7edca9bc63Daniel Lam found = INVALID_BUFFER_SLOT; 3206b091c53000c843211c218ce40287a7edca9bc63Daniel Lam dequeuedCount = 0; 321e191e6c34829aec406a9cfe3e95211f884a311ffJamie Gennis for (int i = 0; i < maxBufferCount; i++) { 3226b091c53000c843211c218ce40287a7edca9bc63Daniel Lam const int state = mSlots[i].mBufferState; 3236b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (state == BufferSlot::DEQUEUED) { 3246b091c53000c843211c218ce40287a7edca9bc63Daniel Lam dequeuedCount++; 3256b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 3266b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 327eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam // this logic used to be if (FLAG_ALLOW_DEQUEUE_CURRENT_BUFFER) 328eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam // but dequeuing the current buffer is disabled. 329eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam if (false) { 330eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam // This functionality has been temporarily removed so 331eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam // BufferQueue and SurfaceTexture can be refactored into 332eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam // separate objects 3336b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } else { 3346b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (state == BufferSlot::FREE) { 3356b091c53000c843211c218ce40287a7edca9bc63Daniel Lam /* We return the oldest of the free buffers to avoid 3366b091c53000c843211c218ce40287a7edca9bc63Daniel Lam * stalling the producer if possible. This is because 3376b091c53000c843211c218ce40287a7edca9bc63Daniel Lam * the consumer may still have pending reads of the 3386b091c53000c843211c218ce40287a7edca9bc63Daniel Lam * buffers in flight. 3396b091c53000c843211c218ce40287a7edca9bc63Daniel Lam */ 3406b091c53000c843211c218ce40287a7edca9bc63Daniel Lam bool isOlder = mSlots[i].mFrameNumber < 3416b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[found].mFrameNumber; 3426b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (found < 0 || isOlder) { 3436b091c53000c843211c218ce40287a7edca9bc63Daniel Lam found = i; 3446b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 3456b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 3466b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 3476b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 3486b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 3496b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // clients are not allowed to dequeue more than one buffer 3506b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // if they didn't set a buffer count. 35131a353da225af5329735451c761b430d82dfda1bJamie Gennis if (!mOverrideMaxBufferCount && dequeuedCount) { 3526b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("dequeueBuffer: can't dequeue multiple buffers without " 3536b091c53000c843211c218ce40287a7edca9bc63Daniel Lam "setting the buffer count"); 3546b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return -EINVAL; 3556b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 3566b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 3576b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // See whether a buffer has been queued since the last 35872f096fb1ad0a0deadbfac5f88627461905d38e8Jamie Gennis // setBufferCount so we know whether to perform the min undequeued 35972f096fb1ad0a0deadbfac5f88627461905d38e8Jamie Gennis // buffers check below. 360eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam if (mBufferHasBeenQueued) { 3616b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // make sure the client is not trying to dequeue more buffers 3626b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // than allowed. 36372f096fb1ad0a0deadbfac5f88627461905d38e8Jamie Gennis const int newUndequeuedCount = maxBufferCount - (dequeuedCount+1); 36472f096fb1ad0a0deadbfac5f88627461905d38e8Jamie Gennis const int minUndequeuedCount = getMinUndequeuedBufferCountLocked(); 36572f096fb1ad0a0deadbfac5f88627461905d38e8Jamie Gennis if (newUndequeuedCount < minUndequeuedCount) { 36672f096fb1ad0a0deadbfac5f88627461905d38e8Jamie Gennis ST_LOGE("dequeueBuffer: min undequeued buffer count (%d) " 36772f096fb1ad0a0deadbfac5f88627461905d38e8Jamie Gennis "exceeded (dequeued=%d undequeudCount=%d)", 36872f096fb1ad0a0deadbfac5f88627461905d38e8Jamie Gennis minUndequeuedCount, dequeuedCount, 36972f096fb1ad0a0deadbfac5f88627461905d38e8Jamie Gennis newUndequeuedCount); 3706b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return -EBUSY; 3716b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 3726b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 3736b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 374e191e6c34829aec406a9cfe3e95211f884a311ffJamie Gennis // If no buffer is found, wait for a buffer to be released or for 375e191e6c34829aec406a9cfe3e95211f884a311ffJamie Gennis // the max buffer count to change. 376c2c1f2f24cd70bdcf1958157bab38467bf0fdc71Daniel Lam tryAgain = found == INVALID_BUFFER_SLOT; 3776b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (tryAgain) { 3786b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mDequeueCondition.wait(mMutex); 3796b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 3806b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 3816b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 3826b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 3836b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (found == INVALID_BUFFER_SLOT) { 3846b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // This should not happen. 3856b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("dequeueBuffer: no available buffer slots"); 3866b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return -EBUSY; 3876b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 3886b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 3896b091c53000c843211c218ce40287a7edca9bc63Daniel Lam const int buf = found; 3906b091c53000c843211c218ce40287a7edca9bc63Daniel Lam *outBuf = found; 3916b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 392546ed2d7d98ce4f1415647913a231a6b4fc6ca66Mathias Agopian ATRACE_BUFFER_INDEX(buf); 393546ed2d7d98ce4f1415647913a231a6b4fc6ca66Mathias Agopian 3946b091c53000c843211c218ce40287a7edca9bc63Daniel Lam const bool useDefaultSize = !w && !h; 3956b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (useDefaultSize) { 3966b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // use the default size 3976b091c53000c843211c218ce40287a7edca9bc63Daniel Lam w = mDefaultWidth; 3986b091c53000c843211c218ce40287a7edca9bc63Daniel Lam h = mDefaultHeight; 3996b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 4006b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 4016b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // buffer is now in DEQUEUED (but can also be current at the same time, 4026b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // if we're in synchronous mode) 4036b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[buf].mBufferState = BufferSlot::DEQUEUED; 4046b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 4056b091c53000c843211c218ce40287a7edca9bc63Daniel Lam const sp<GraphicBuffer>& buffer(mSlots[buf].mGraphicBuffer); 4066b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if ((buffer == NULL) || 4076b091c53000c843211c218ce40287a7edca9bc63Daniel Lam (uint32_t(buffer->width) != w) || 4086b091c53000c843211c218ce40287a7edca9bc63Daniel Lam (uint32_t(buffer->height) != h) || 4096b091c53000c843211c218ce40287a7edca9bc63Daniel Lam (uint32_t(buffer->format) != format) || 4106b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ((uint32_t(buffer->usage) & usage) != usage)) 4116b091c53000c843211c218ce40287a7edca9bc63Daniel Lam { 4126b091c53000c843211c218ce40287a7edca9bc63Daniel Lam status_t error; 4136b091c53000c843211c218ce40287a7edca9bc63Daniel Lam sp<GraphicBuffer> graphicBuffer( 4146b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mGraphicBufferAlloc->createGraphicBuffer( 4156b091c53000c843211c218ce40287a7edca9bc63Daniel Lam w, h, format, usage, &error)); 4166b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (graphicBuffer == 0) { 4176b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("dequeueBuffer: SurfaceComposer::createGraphicBuffer " 4186b091c53000c843211c218ce40287a7edca9bc63Daniel Lam "failed"); 4196b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return error; 4206b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 421eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 422eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mSlots[buf].mAcquireCalled = false; 4236b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[buf].mGraphicBuffer = graphicBuffer; 4246b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[buf].mRequestBufferCalled = false; 425c777b0b3b9b0ea5d8e378fccde6935765e28e329Jesse Hall mSlots[buf].mEglFence = EGL_NO_SYNC_KHR; 426c777b0b3b9b0ea5d8e378fccde6935765e28e329Jesse Hall mSlots[buf].mFence.clear(); 427eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mSlots[buf].mEglDisplay = EGL_NO_DISPLAY; 428eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 4296b091c53000c843211c218ce40287a7edca9bc63Daniel Lam returnFlags |= ISurfaceTexture::BUFFER_NEEDS_REALLOCATION; 4306b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 4316b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 4326b091c53000c843211c218ce40287a7edca9bc63Daniel Lam dpy = mSlots[buf].mEglDisplay; 433c777b0b3b9b0ea5d8e378fccde6935765e28e329Jesse Hall eglFence = mSlots[buf].mEglFence; 434c777b0b3b9b0ea5d8e378fccde6935765e28e329Jesse Hall outFence = mSlots[buf].mFence; 435c777b0b3b9b0ea5d8e378fccde6935765e28e329Jesse Hall mSlots[buf].mEglFence = EGL_NO_SYNC_KHR; 436c777b0b3b9b0ea5d8e378fccde6935765e28e329Jesse Hall mSlots[buf].mFence.clear(); 437eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam } // end lock scope 4386b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 439c777b0b3b9b0ea5d8e378fccde6935765e28e329Jesse Hall if (eglFence != EGL_NO_SYNC_KHR) { 440c777b0b3b9b0ea5d8e378fccde6935765e28e329Jesse Hall EGLint result = eglClientWaitSyncKHR(dpy, eglFence, 0, 1000000000); 4416b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // If something goes wrong, log the error, but return the buffer without 4426b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // synchronizing access to it. It's too late at this point to abort the 4436b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // dequeue operation. 4446b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (result == EGL_FALSE) { 445b7a6b96301c00c630610df4cb55a45d666200817Jamie Gennis ST_LOGE("dequeueBuffer: error waiting for fence: %#x", eglGetError()); 4466b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } else if (result == EGL_TIMEOUT_EXPIRED_KHR) { 447b7a6b96301c00c630610df4cb55a45d666200817Jamie Gennis ST_LOGE("dequeueBuffer: timeout waiting for fence"); 4486b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 449c777b0b3b9b0ea5d8e378fccde6935765e28e329Jesse Hall eglDestroySyncKHR(dpy, eglFence); 4506b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 4516b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 4526b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGV("dequeueBuffer: returning slot=%d buf=%p flags=%#x", *outBuf, 4536b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[*outBuf].mGraphicBuffer->handle, returnFlags); 4546b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 4556b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return returnFlags; 4566b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 4576b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 4586b091c53000c843211c218ce40287a7edca9bc63Daniel Lamstatus_t BufferQueue::setSynchronousMode(bool enabled) { 4591c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis ATRACE_CALL(); 4606b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGV("setSynchronousMode: enabled=%d", enabled); 4616b091c53000c843211c218ce40287a7edca9bc63Daniel Lam Mutex::Autolock lock(mMutex); 4626b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 4636b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mAbandoned) { 4646b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("setSynchronousMode: SurfaceTexture has been abandoned!"); 4656b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return NO_INIT; 4666b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 4676b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 4686b091c53000c843211c218ce40287a7edca9bc63Daniel Lam status_t err = OK; 4696b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (!mAllowSynchronousMode && enabled) 4706b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return err; 4716b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 4726b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (!enabled) { 4736b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // going to asynchronous mode, drain the queue 4746b091c53000c843211c218ce40287a7edca9bc63Daniel Lam err = drainQueueLocked(); 4756b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (err != NO_ERROR) 4766b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return err; 4776b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 4786b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 4796b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mSynchronousMode != enabled) { 4806b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // - if we're going to asynchronous mode, the queue is guaranteed to be 4816b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // empty here 4826b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // - if the client set the number of buffers, we're guaranteed that 4836b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // we have at least 3 (because we don't allow less) 4846b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSynchronousMode = enabled; 48574ff8c23f44f1546d0c7004302f4c7ba726ff4c0Dave Burke mDequeueCondition.broadcast(); 4866b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 4876b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return err; 4886b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 4896b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 490f0bc2f1d8d37977bd3aef3d3326a70e9e69d4246Mathias Agopianstatus_t BufferQueue::queueBuffer(int buf, 491f0bc2f1d8d37977bd3aef3d3326a70e9e69d4246Mathias Agopian const QueueBufferInput& input, QueueBufferOutput* output) { 4921c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis ATRACE_CALL(); 493546ed2d7d98ce4f1415647913a231a6b4fc6ca66Mathias Agopian ATRACE_BUFFER_INDEX(buf); 494546ed2d7d98ce4f1415647913a231a6b4fc6ca66Mathias Agopian 495efc7ab6dcea8c22ddd7c0259ef4ab4bbf1e93044Jamie Gennis Rect crop; 496efc7ab6dcea8c22ddd7c0259ef4ab4bbf1e93044Jamie Gennis uint32_t transform; 497efc7ab6dcea8c22ddd7c0259ef4ab4bbf1e93044Jamie Gennis int scalingMode; 498efc7ab6dcea8c22ddd7c0259ef4ab4bbf1e93044Jamie Gennis int64_t timestamp; 499c777b0b3b9b0ea5d8e378fccde6935765e28e329Jesse Hall sp<Fence> fence; 500efc7ab6dcea8c22ddd7c0259ef4ab4bbf1e93044Jamie Gennis 501c777b0b3b9b0ea5d8e378fccde6935765e28e329Jesse Hall input.deflate(×tamp, &crop, &scalingMode, &transform, &fence); 502efc7ab6dcea8c22ddd7c0259ef4ab4bbf1e93044Jamie Gennis 503cd1806e210f2633423f0fb14d39fa00d03974223Jamie Gennis ST_LOGV("queueBuffer: slot=%d time=%#llx crop=[%d,%d,%d,%d] tr=%#x " 504cd1806e210f2633423f0fb14d39fa00d03974223Jamie Gennis "scale=%s", 505cd1806e210f2633423f0fb14d39fa00d03974223Jamie Gennis buf, timestamp, crop.left, crop.top, crop.right, crop.bottom, 506cd1806e210f2633423f0fb14d39fa00d03974223Jamie Gennis transform, scalingModeName(scalingMode)); 5076b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 508fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis sp<ConsumerListener> listener; 5096b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 5106b091c53000c843211c218ce40287a7edca9bc63Daniel Lam { // scope for the lock 5116b091c53000c843211c218ce40287a7edca9bc63Daniel Lam Mutex::Autolock lock(mMutex); 5126b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mAbandoned) { 5136b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("queueBuffer: SurfaceTexture has been abandoned!"); 5146b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return NO_INIT; 5156b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 516e191e6c34829aec406a9cfe3e95211f884a311ffJamie Gennis int maxBufferCount = getMaxBufferCountLocked(); 517e191e6c34829aec406a9cfe3e95211f884a311ffJamie Gennis if (buf < 0 || buf >= maxBufferCount) { 5186b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("queueBuffer: slot index out of range [0, %d]: %d", 519e191e6c34829aec406a9cfe3e95211f884a311ffJamie Gennis maxBufferCount, buf); 5206b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return -EINVAL; 5216b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } else if (mSlots[buf].mBufferState != BufferSlot::DEQUEUED) { 5226b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("queueBuffer: slot %d is not owned by the client " 5236b091c53000c843211c218ce40287a7edca9bc63Daniel Lam "(state=%d)", buf, mSlots[buf].mBufferState); 5246b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return -EINVAL; 5256b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } else if (!mSlots[buf].mRequestBufferCalled) { 5266b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("queueBuffer: slot %d was enqueued without requesting a " 5276b091c53000c843211c218ce40287a7edca9bc63Daniel Lam "buffer", buf); 5286b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return -EINVAL; 5296b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 5306b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 531d72f233ffa125856a44976a50a66ceb669f49ab2Jamie Gennis const sp<GraphicBuffer>& graphicBuffer(mSlots[buf].mGraphicBuffer); 532d72f233ffa125856a44976a50a66ceb669f49ab2Jamie Gennis Rect bufferRect(graphicBuffer->getWidth(), graphicBuffer->getHeight()); 533d72f233ffa125856a44976a50a66ceb669f49ab2Jamie Gennis Rect croppedCrop; 534d72f233ffa125856a44976a50a66ceb669f49ab2Jamie Gennis crop.intersect(bufferRect, &croppedCrop); 535d72f233ffa125856a44976a50a66ceb669f49ab2Jamie Gennis if (croppedCrop != crop) { 536d72f233ffa125856a44976a50a66ceb669f49ab2Jamie Gennis ST_LOGE("queueBuffer: crop rect is not contained within the " 537d72f233ffa125856a44976a50a66ceb669f49ab2Jamie Gennis "buffer in slot %d", buf); 538d72f233ffa125856a44976a50a66ceb669f49ab2Jamie Gennis return -EINVAL; 539d72f233ffa125856a44976a50a66ceb669f49ab2Jamie Gennis } 540d72f233ffa125856a44976a50a66ceb669f49ab2Jamie Gennis 5416b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mSynchronousMode) { 5426b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // In synchronous mode we queue all buffers in a FIFO. 5436b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mQueue.push_back(buf); 5446b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 5456b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // Synchronous mode always signals that an additional frame should 5466b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // be consumed. 547fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis listener = mConsumerListener; 5486b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } else { 5496b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // In asynchronous mode we only keep the most recent buffer. 5506b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mQueue.empty()) { 5516b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mQueue.push_back(buf); 5526b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 5536b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // Asynchronous mode only signals that a frame should be 5546b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // consumed if no previous frame was pending. If a frame were 5556b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // pending then the consumer would have already been notified. 556fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis listener = mConsumerListener; 5576b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } else { 5586b091c53000c843211c218ce40287a7edca9bc63Daniel Lam Fifo::iterator front(mQueue.begin()); 5596b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // buffer currently queued is freed 5606b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[*front].mBufferState = BufferSlot::FREE; 5616b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // and we record the new buffer index in the queued list 5626b091c53000c843211c218ce40287a7edca9bc63Daniel Lam *front = buf; 5636b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 5646b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 5656b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 566efc7ab6dcea8c22ddd7c0259ef4ab4bbf1e93044Jamie Gennis mSlots[buf].mTimestamp = timestamp; 567efc7ab6dcea8c22ddd7c0259ef4ab4bbf1e93044Jamie Gennis mSlots[buf].mCrop = crop; 568efc7ab6dcea8c22ddd7c0259ef4ab4bbf1e93044Jamie Gennis mSlots[buf].mTransform = transform; 569c777b0b3b9b0ea5d8e378fccde6935765e28e329Jesse Hall mSlots[buf].mFence = fence; 570f0bc2f1d8d37977bd3aef3d3326a70e9e69d4246Mathias Agopian 571851ef8f1bfbb164d61b1528a529a464f0a60dbafMathias Agopian switch (scalingMode) { 572851ef8f1bfbb164d61b1528a529a464f0a60dbafMathias Agopian case NATIVE_WINDOW_SCALING_MODE_FREEZE: 573851ef8f1bfbb164d61b1528a529a464f0a60dbafMathias Agopian case NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW: 574016c8cbce4dde21f2703b9865f52d16b8d5d5ae2Daniel Lam case NATIVE_WINDOW_SCALING_MODE_SCALE_CROP: 575851ef8f1bfbb164d61b1528a529a464f0a60dbafMathias Agopian break; 576851ef8f1bfbb164d61b1528a529a464f0a60dbafMathias Agopian default: 577851ef8f1bfbb164d61b1528a529a464f0a60dbafMathias Agopian ST_LOGE("unknown scaling mode: %d (ignoring)", scalingMode); 578851ef8f1bfbb164d61b1528a529a464f0a60dbafMathias Agopian scalingMode = mSlots[buf].mScalingMode; 579851ef8f1bfbb164d61b1528a529a464f0a60dbafMathias Agopian break; 580851ef8f1bfbb164d61b1528a529a464f0a60dbafMathias Agopian } 581851ef8f1bfbb164d61b1528a529a464f0a60dbafMathias Agopian 5826b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[buf].mBufferState = BufferSlot::QUEUED; 583851ef8f1bfbb164d61b1528a529a464f0a60dbafMathias Agopian mSlots[buf].mScalingMode = scalingMode; 5846b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mFrameCounter++; 5856b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[buf].mFrameNumber = mFrameCounter; 5866b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 587eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mBufferHasBeenQueued = true; 58874ff8c23f44f1546d0c7004302f4c7ba726ff4c0Dave Burke mDequeueCondition.broadcast(); 5896b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 5902488b20aec097accb20a853d9876bb0a5dc04636Mathias Agopian output->inflate(mDefaultWidth, mDefaultHeight, mTransformHint, 5912488b20aec097accb20a853d9876bb0a5dc04636Mathias Agopian mQueue.size()); 5921c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis 5931c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis ATRACE_INT(mConsumerName.string(), mQueue.size()); 5946b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } // scope for the lock 5956b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 5966b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // call back without lock held 5976b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (listener != 0) { 5986b091c53000c843211c218ce40287a7edca9bc63Daniel Lam listener->onFrameAvailable(); 5996b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 6006b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return OK; 6016b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 6026b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 603c777b0b3b9b0ea5d8e378fccde6935765e28e329Jesse Hallvoid BufferQueue::cancelBuffer(int buf, sp<Fence> fence) { 6041c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis ATRACE_CALL(); 6056b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGV("cancelBuffer: slot=%d", buf); 6066b091c53000c843211c218ce40287a7edca9bc63Daniel Lam Mutex::Autolock lock(mMutex); 6076b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 6086b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mAbandoned) { 6096b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGW("cancelBuffer: BufferQueue has been abandoned!"); 6106b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return; 6116b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 6126b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 613e191e6c34829aec406a9cfe3e95211f884a311ffJamie Gennis int maxBufferCount = getMaxBufferCountLocked(); 614e191e6c34829aec406a9cfe3e95211f884a311ffJamie Gennis if (buf < 0 || buf >= maxBufferCount) { 6156b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("cancelBuffer: slot index out of range [0, %d]: %d", 616e191e6c34829aec406a9cfe3e95211f884a311ffJamie Gennis maxBufferCount, buf); 6176b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return; 6186b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } else if (mSlots[buf].mBufferState != BufferSlot::DEQUEUED) { 6196b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("cancelBuffer: slot %d is not owned by the client (state=%d)", 6206b091c53000c843211c218ce40287a7edca9bc63Daniel Lam buf, mSlots[buf].mBufferState); 6216b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return; 6226b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 6236b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[buf].mBufferState = BufferSlot::FREE; 6246b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[buf].mFrameNumber = 0; 625c777b0b3b9b0ea5d8e378fccde6935765e28e329Jesse Hall mSlots[buf].mFence = fence; 62674ff8c23f44f1546d0c7004302f4c7ba726ff4c0Dave Burke mDequeueCondition.broadcast(); 6276b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 6286b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 62924202f5676c32edeef6544cf36e06b9fc970dbdeMathias Agopianstatus_t BufferQueue::connect(int api, QueueBufferOutput* output) { 6301c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis ATRACE_CALL(); 6316b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGV("connect: api=%d", api); 6326b091c53000c843211c218ce40287a7edca9bc63Daniel Lam Mutex::Autolock lock(mMutex); 6336b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 6346b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mAbandoned) { 6356b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("connect: BufferQueue has been abandoned!"); 6366b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return NO_INIT; 6376b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 6386b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 639fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis if (mConsumerListener == NULL) { 640fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis ST_LOGE("connect: BufferQueue has no consumer!"); 641fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis return NO_INIT; 642fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis } 643fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 6446b091c53000c843211c218ce40287a7edca9bc63Daniel Lam int err = NO_ERROR; 6456b091c53000c843211c218ce40287a7edca9bc63Daniel Lam switch (api) { 6466b091c53000c843211c218ce40287a7edca9bc63Daniel Lam case NATIVE_WINDOW_API_EGL: 6476b091c53000c843211c218ce40287a7edca9bc63Daniel Lam case NATIVE_WINDOW_API_CPU: 6486b091c53000c843211c218ce40287a7edca9bc63Daniel Lam case NATIVE_WINDOW_API_MEDIA: 6496b091c53000c843211c218ce40287a7edca9bc63Daniel Lam case NATIVE_WINDOW_API_CAMERA: 6506b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mConnectedApi != NO_CONNECTED_API) { 6516b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("connect: already connected (cur=%d, req=%d)", 6526b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mConnectedApi, api); 6536b091c53000c843211c218ce40287a7edca9bc63Daniel Lam err = -EINVAL; 6546b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } else { 6556b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mConnectedApi = api; 6562488b20aec097accb20a853d9876bb0a5dc04636Mathias Agopian output->inflate(mDefaultWidth, mDefaultHeight, mTransformHint, 6572488b20aec097accb20a853d9876bb0a5dc04636Mathias Agopian mQueue.size()); 6586b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 6596b091c53000c843211c218ce40287a7edca9bc63Daniel Lam break; 6606b091c53000c843211c218ce40287a7edca9bc63Daniel Lam default: 6616b091c53000c843211c218ce40287a7edca9bc63Daniel Lam err = -EINVAL; 6626b091c53000c843211c218ce40287a7edca9bc63Daniel Lam break; 6636b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 664eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 665eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mBufferHasBeenQueued = false; 666eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 6676b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return err; 6686b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 6696b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 6706b091c53000c843211c218ce40287a7edca9bc63Daniel Lamstatus_t BufferQueue::disconnect(int api) { 6711c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis ATRACE_CALL(); 6726b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGV("disconnect: api=%d", api); 6736b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 6746b091c53000c843211c218ce40287a7edca9bc63Daniel Lam int err = NO_ERROR; 675fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis sp<ConsumerListener> listener; 676fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 677fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis { // Scope for the lock 678fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis Mutex::Autolock lock(mMutex); 679fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 680fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis if (mAbandoned) { 681fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis // it is not really an error to disconnect after the surface 682fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis // has been abandoned, it should just be a no-op. 683fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis return NO_ERROR; 684fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis } 685fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 686fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis switch (api) { 687fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis case NATIVE_WINDOW_API_EGL: 688fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis case NATIVE_WINDOW_API_CPU: 689fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis case NATIVE_WINDOW_API_MEDIA: 690fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis case NATIVE_WINDOW_API_CAMERA: 691fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis if (mConnectedApi == api) { 692fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis drainQueueAndFreeBuffersLocked(); 693fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis mConnectedApi = NO_CONNECTED_API; 694fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis mDequeueCondition.broadcast(); 695fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis listener = mConsumerListener; 696fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis } else { 697fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis ST_LOGE("disconnect: connected to another api (cur=%d, req=%d)", 698fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis mConnectedApi, api); 699fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis err = -EINVAL; 700fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis } 701fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis break; 702fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis default: 703fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis ST_LOGE("disconnect: unknown API %d", api); 7046b091c53000c843211c218ce40287a7edca9bc63Daniel Lam err = -EINVAL; 705fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis break; 706fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis } 7076b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 708fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 709fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis if (listener != NULL) { 710fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis listener->onBuffersReleased(); 711fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis } 712fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 7136b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return err; 7146b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 7156b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 716eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lamvoid BufferQueue::dump(String8& result) const 717eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam{ 718eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam char buffer[1024]; 719eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam BufferQueue::dump(result, "", buffer, 1024); 720eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam} 721eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 722eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lamvoid BufferQueue::dump(String8& result, const char* prefix, 723eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam char* buffer, size_t SIZE) const 724eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam{ 725eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam Mutex::Autolock _l(mMutex); 726eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 727eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam String8 fifo; 728eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam int fifoSize = 0; 729eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam Fifo::const_iterator i(mQueue.begin()); 730eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam while (i != mQueue.end()) { 731eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam snprintf(buffer, SIZE, "%02d ", *i++); 732eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam fifoSize++; 733eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam fifo.append(buffer); 734eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam } 735eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 736e191e6c34829aec406a9cfe3e95211f884a311ffJamie Gennis int maxBufferCount = getMaxBufferCountLocked(); 737e191e6c34829aec406a9cfe3e95211f884a311ffJamie Gennis 738eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam snprintf(buffer, SIZE, 739e191e6c34829aec406a9cfe3e95211f884a311ffJamie Gennis "%s-BufferQueue maxBufferCount=%d, mSynchronousMode=%d, default-size=[%dx%d], " 7401a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis "default-format=%d, FIFO(%d)={%s}\n", 741e191e6c34829aec406a9cfe3e95211f884a311ffJamie Gennis prefix, maxBufferCount, mSynchronousMode, mDefaultWidth, 7421a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis mDefaultHeight, mDefaultBufferFormat, fifoSize, fifo.string()); 743eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam result.append(buffer); 744eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 745eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 746eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam struct { 747eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam const char * operator()(int state) const { 748eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam switch (state) { 749eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam case BufferSlot::DEQUEUED: return "DEQUEUED"; 750eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam case BufferSlot::QUEUED: return "QUEUED"; 751eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam case BufferSlot::FREE: return "FREE"; 752eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam case BufferSlot::ACQUIRED: return "ACQUIRED"; 753eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam default: return "Unknown"; 754eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam } 755eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam } 756eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam } stateName; 757eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 758e191e6c34829aec406a9cfe3e95211f884a311ffJamie Gennis for (int i=0 ; i<maxBufferCount ; i++) { 759eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam const BufferSlot& slot(mSlots[i]); 760eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam snprintf(buffer, SIZE, 761eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam "%s%s[%02d] " 762eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam "state=%-8s, crop=[%d,%d,%d,%d], " 763cd1806e210f2633423f0fb14d39fa00d03974223Jamie Gennis "xform=0x%02x, time=%#llx, scale=%s", 764eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam prefix, (slot.mBufferState == BufferSlot::ACQUIRED)?">":" ", i, 765eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam stateName(slot.mBufferState), 766eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam slot.mCrop.left, slot.mCrop.top, slot.mCrop.right, 767cd1806e210f2633423f0fb14d39fa00d03974223Jamie Gennis slot.mCrop.bottom, slot.mTransform, slot.mTimestamp, 768cd1806e210f2633423f0fb14d39fa00d03974223Jamie Gennis scalingModeName(slot.mScalingMode) 769eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam ); 770eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam result.append(buffer); 771eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 772eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam const sp<GraphicBuffer>& buf(slot.mGraphicBuffer); 773eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam if (buf != NULL) { 774eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam snprintf(buffer, SIZE, 775eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam ", %p [%4ux%4u:%4u,%3X]", 776eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam buf->handle, buf->width, buf->height, buf->stride, 777eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam buf->format); 778eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam result.append(buffer); 779eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam } 780eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam result.append("\n"); 781eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam } 782eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam} 783eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 7841a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennisvoid BufferQueue::freeBufferLocked(int slot) { 7851a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis ST_LOGV("freeBufferLocked: slot=%d", slot); 7861a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis mSlots[slot].mGraphicBuffer = 0; 7871a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis if (mSlots[slot].mBufferState == BufferSlot::ACQUIRED) { 7881a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis mSlots[slot].mNeedsCleanupOnRelease = true; 7899abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam } 7901a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis mSlots[slot].mBufferState = BufferSlot::FREE; 7911a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis mSlots[slot].mFrameNumber = 0; 7921a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis mSlots[slot].mAcquireCalled = false; 793eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 794eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam // destroy fence as BufferQueue now takes ownership 7951a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis if (mSlots[slot].mEglFence != EGL_NO_SYNC_KHR) { 7961a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis eglDestroySyncKHR(mSlots[slot].mEglDisplay, mSlots[slot].mEglFence); 7971a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis mSlots[slot].mEglFence = EGL_NO_SYNC_KHR; 7986b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 7991a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis mSlots[slot].mFence.clear(); 8006b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 8016b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 8026b091c53000c843211c218ce40287a7edca9bc63Daniel Lamvoid BufferQueue::freeAllBuffersLocked() { 8036b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ALOGW_IF(!mQueue.isEmpty(), 8046b091c53000c843211c218ce40287a7edca9bc63Daniel Lam "freeAllBuffersLocked called but mQueue is not empty"); 805eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mQueue.clear(); 806eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mBufferHasBeenQueued = false; 8076b091c53000c843211c218ce40287a7edca9bc63Daniel Lam for (int i = 0; i < NUM_BUFFER_SLOTS; i++) { 8086b091c53000c843211c218ce40287a7edca9bc63Daniel Lam freeBufferLocked(i); 8096b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 8106b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 8116b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 812fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennisstatus_t BufferQueue::acquireBuffer(BufferItem *buffer) { 813546ed2d7d98ce4f1415647913a231a6b4fc6ca66Mathias Agopian ATRACE_CALL(); 814eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam Mutex::Autolock _l(mMutex); 8155e5efde7874a9fab650fd4b724ceef46db850470Jamie Gennis 8165e5efde7874a9fab650fd4b724ceef46db850470Jamie Gennis // Check that the consumer doesn't currently have the maximum number of 8175e5efde7874a9fab650fd4b724ceef46db850470Jamie Gennis // buffers acquired. We allow the max buffer count to be exceeded by one 8185e5efde7874a9fab650fd4b724ceef46db850470Jamie Gennis // buffer, so that the consumer can successfully set up the newly acquired 8195e5efde7874a9fab650fd4b724ceef46db850470Jamie Gennis // buffer before releasing the old one. 8205e5efde7874a9fab650fd4b724ceef46db850470Jamie Gennis int numAcquiredBuffers = 0; 8215e5efde7874a9fab650fd4b724ceef46db850470Jamie Gennis for (int i = 0; i < NUM_BUFFER_SLOTS; i++) { 8225e5efde7874a9fab650fd4b724ceef46db850470Jamie Gennis if (mSlots[i].mBufferState == BufferSlot::ACQUIRED) { 8235e5efde7874a9fab650fd4b724ceef46db850470Jamie Gennis numAcquiredBuffers++; 8245e5efde7874a9fab650fd4b724ceef46db850470Jamie Gennis } 8255e5efde7874a9fab650fd4b724ceef46db850470Jamie Gennis } 8265e5efde7874a9fab650fd4b724ceef46db850470Jamie Gennis if (numAcquiredBuffers >= mMaxAcquiredBufferCount+1) { 8275e5efde7874a9fab650fd4b724ceef46db850470Jamie Gennis ST_LOGE("acquireBuffer: max acquired buffer count reached: %d (max=%d)", 8285e5efde7874a9fab650fd4b724ceef46db850470Jamie Gennis numAcquiredBuffers, mMaxAcquiredBufferCount); 8295e5efde7874a9fab650fd4b724ceef46db850470Jamie Gennis return INVALID_OPERATION; 8305e5efde7874a9fab650fd4b724ceef46db850470Jamie Gennis } 8315e5efde7874a9fab650fd4b724ceef46db850470Jamie Gennis 832eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam // check if queue is empty 833eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam // In asynchronous mode the list is guaranteed to be one buffer 834eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam // deep, while in synchronous mode we use the oldest buffer. 835eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam if (!mQueue.empty()) { 836eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam Fifo::iterator front(mQueue.begin()); 837eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam int buf = *front; 838eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 839546ed2d7d98ce4f1415647913a231a6b4fc6ca66Mathias Agopian ATRACE_BUFFER_INDEX(buf); 840546ed2d7d98ce4f1415647913a231a6b4fc6ca66Mathias Agopian 841eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam if (mSlots[buf].mAcquireCalled) { 842eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam buffer->mGraphicBuffer = NULL; 843fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis } else { 844eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam buffer->mGraphicBuffer = mSlots[buf].mGraphicBuffer; 845eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam } 846eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam buffer->mCrop = mSlots[buf].mCrop; 847eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam buffer->mTransform = mSlots[buf].mTransform; 848eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam buffer->mScalingMode = mSlots[buf].mScalingMode; 849eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam buffer->mFrameNumber = mSlots[buf].mFrameNumber; 8503fcee50ffaeb745819356e395408b4d7e3239c13Daniel Lam buffer->mTimestamp = mSlots[buf].mTimestamp; 851eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam buffer->mBuf = buf; 852b42b1ac1587aebda5e2f334d95b620271fafba4eJesse Hall buffer->mFence = mSlots[buf].mFence; 853eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 8541a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis mSlots[buf].mAcquireCalled = true; 8551a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis mSlots[buf].mNeedsCleanupOnRelease = false; 856eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mSlots[buf].mBufferState = BufferSlot::ACQUIRED; 8571a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis mSlots[buf].mFence.clear(); 8581a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis 859eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mQueue.erase(front); 86074ff8c23f44f1546d0c7004302f4c7ba726ff4c0Dave Burke mDequeueCondition.broadcast(); 8611c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis 8621c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis ATRACE_INT(mConsumerName.string(), mQueue.size()); 863fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis } else { 864fbcda930dd8b2823cfeb160fd0131f5897b7522fDaniel Lam return NO_BUFFER_AVAILABLE; 865eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam } 866eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 867eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam return OK; 868eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam} 869eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 870eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lamstatus_t BufferQueue::releaseBuffer(int buf, EGLDisplay display, 871c777b0b3b9b0ea5d8e378fccde6935765e28e329Jesse Hall EGLSyncKHR eglFence, const sp<Fence>& fence) { 872546ed2d7d98ce4f1415647913a231a6b4fc6ca66Mathias Agopian ATRACE_CALL(); 873546ed2d7d98ce4f1415647913a231a6b4fc6ca66Mathias Agopian ATRACE_BUFFER_INDEX(buf); 874546ed2d7d98ce4f1415647913a231a6b4fc6ca66Mathias Agopian 875eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam Mutex::Autolock _l(mMutex); 876eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 877eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam if (buf == INVALID_BUFFER_SLOT) { 878eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam return -EINVAL; 879eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam } 880eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 881eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mSlots[buf].mEglDisplay = display; 882c777b0b3b9b0ea5d8e378fccde6935765e28e329Jesse Hall mSlots[buf].mEglFence = eglFence; 883eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mSlots[buf].mFence = fence; 884eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 8859abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam // The buffer can now only be released if its in the acquired state 8869abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam if (mSlots[buf].mBufferState == BufferSlot::ACQUIRED) { 887eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mSlots[buf].mBufferState = BufferSlot::FREE; 8889abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam } else if (mSlots[buf].mNeedsCleanupOnRelease) { 8899abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam ST_LOGV("releasing a stale buf %d its state was %d", buf, mSlots[buf].mBufferState); 8909abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam mSlots[buf].mNeedsCleanupOnRelease = false; 8919abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam return STALE_BUFFER_SLOT; 8929abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam } else { 8939abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam ST_LOGE("attempted to release buf %d but its state was %d", buf, mSlots[buf].mBufferState); 8949abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam return -EINVAL; 895eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam } 896eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 8979abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam mDequeueCondition.broadcast(); 898eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam return OK; 899eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam} 900eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 901fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennisstatus_t BufferQueue::consumerConnect(const sp<ConsumerListener>& consumerListener) { 902fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis ST_LOGV("consumerConnect"); 903fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis Mutex::Autolock lock(mMutex); 904fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 905fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis if (mAbandoned) { 906fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis ST_LOGE("consumerConnect: BufferQueue has been abandoned!"); 907fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis return NO_INIT; 908fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis } 909fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 910fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis mConsumerListener = consumerListener; 911fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 912fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis return OK; 913fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis} 914fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 915eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lamstatus_t BufferQueue::consumerDisconnect() { 916fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis ST_LOGV("consumerDisconnect"); 917eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam Mutex::Autolock lock(mMutex); 918b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam 919fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis if (mConsumerListener == NULL) { 920fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis ST_LOGE("consumerDisconnect: No consumer is connected!"); 921fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis return -EINVAL; 922fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis } 923b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam 924fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis mAbandoned = true; 925fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis mConsumerListener = NULL; 926b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam mQueue.clear(); 927eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam freeAllBuffersLocked(); 92874ff8c23f44f1546d0c7004302f4c7ba726ff4c0Dave Burke mDequeueCondition.broadcast(); 929eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam return OK; 930eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam} 931eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 932fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennisstatus_t BufferQueue::getReleasedBuffers(uint32_t* slotMask) { 933fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis ST_LOGV("getReleasedBuffers"); 934fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis Mutex::Autolock lock(mMutex); 935fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 936fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis if (mAbandoned) { 937fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis ST_LOGE("getReleasedBuffers: BufferQueue has been abandoned!"); 938fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis return NO_INIT; 939fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis } 940fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 941fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis uint32_t mask = 0; 942fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis for (int i = 0; i < NUM_BUFFER_SLOTS; i++) { 943fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis if (!mSlots[i].mAcquireCalled) { 944fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis mask |= 1 << i; 945fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis } 946fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis } 947fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis *slotMask = mask; 948fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 949fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis ST_LOGV("getReleasedBuffers: returning mask %#x", mask); 950fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis return NO_ERROR; 951fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis} 952fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 953eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lamstatus_t BufferQueue::setDefaultBufferSize(uint32_t w, uint32_t h) 954eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam{ 955eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam ST_LOGV("setDefaultBufferSize: w=%d, h=%d", w, h); 956eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam if (!w || !h) { 957eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam ST_LOGE("setDefaultBufferSize: dimensions cannot be 0 (w=%d, h=%d)", 958eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam w, h); 959eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam return BAD_VALUE; 960eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam } 961eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 962eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam Mutex::Autolock lock(mMutex); 963eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mDefaultWidth = w; 964eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mDefaultHeight = h; 965eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam return OK; 966eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam} 967eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 96831a353da225af5329735451c761b430d82dfda1bJamie Gennisstatus_t BufferQueue::setDefaultMaxBufferCount(int bufferCount) { 9691c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis ATRACE_CALL(); 970eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam Mutex::Autolock lock(mMutex); 97131a353da225af5329735451c761b430d82dfda1bJamie Gennis return setDefaultMaxBufferCountLocked(bufferCount); 972eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam} 973eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 97472f096fb1ad0a0deadbfac5f88627461905d38e8Jamie Gennisstatus_t BufferQueue::setMaxAcquiredBufferCount(int maxAcquiredBuffers) { 97572f096fb1ad0a0deadbfac5f88627461905d38e8Jamie Gennis ATRACE_CALL(); 97672f096fb1ad0a0deadbfac5f88627461905d38e8Jamie Gennis Mutex::Autolock lock(mMutex); 97772f096fb1ad0a0deadbfac5f88627461905d38e8Jamie Gennis if (mConnectedApi != NO_CONNECTED_API) { 97872f096fb1ad0a0deadbfac5f88627461905d38e8Jamie Gennis return INVALID_OPERATION; 97972f096fb1ad0a0deadbfac5f88627461905d38e8Jamie Gennis } 98072f096fb1ad0a0deadbfac5f88627461905d38e8Jamie Gennis mMaxAcquiredBufferCount = maxAcquiredBuffers; 98172f096fb1ad0a0deadbfac5f88627461905d38e8Jamie Gennis return OK; 98272f096fb1ad0a0deadbfac5f88627461905d38e8Jamie Gennis} 98372f096fb1ad0a0deadbfac5f88627461905d38e8Jamie Gennis 9846b091c53000c843211c218ce40287a7edca9bc63Daniel Lamvoid BufferQueue::freeAllBuffersExceptHeadLocked() { 9856b091c53000c843211c218ce40287a7edca9bc63Daniel Lam int head = -1; 9866b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (!mQueue.empty()) { 9876b091c53000c843211c218ce40287a7edca9bc63Daniel Lam Fifo::iterator front(mQueue.begin()); 9886b091c53000c843211c218ce40287a7edca9bc63Daniel Lam head = *front; 9896b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 990eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mBufferHasBeenQueued = false; 9916b091c53000c843211c218ce40287a7edca9bc63Daniel Lam for (int i = 0; i < NUM_BUFFER_SLOTS; i++) { 9926b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (i != head) { 9936b091c53000c843211c218ce40287a7edca9bc63Daniel Lam freeBufferLocked(i); 9946b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 9956b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 9966b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 9976b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 9986b091c53000c843211c218ce40287a7edca9bc63Daniel Lamstatus_t BufferQueue::drainQueueLocked() { 9996b091c53000c843211c218ce40287a7edca9bc63Daniel Lam while (mSynchronousMode && !mQueue.isEmpty()) { 10006b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mDequeueCondition.wait(mMutex); 10016b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mAbandoned) { 10026b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("drainQueueLocked: BufferQueue has been abandoned!"); 10036b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return NO_INIT; 10046b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 10056b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mConnectedApi == NO_CONNECTED_API) { 10066b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("drainQueueLocked: BufferQueue is not connected!"); 10076b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return NO_INIT; 10086b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 10096b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 10106b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return NO_ERROR; 10116b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 10126b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 10136b091c53000c843211c218ce40287a7edca9bc63Daniel Lamstatus_t BufferQueue::drainQueueAndFreeBuffersLocked() { 10146b091c53000c843211c218ce40287a7edca9bc63Daniel Lam status_t err = drainQueueLocked(); 10156b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (err == NO_ERROR) { 10166b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mSynchronousMode) { 10176b091c53000c843211c218ce40287a7edca9bc63Daniel Lam freeAllBuffersLocked(); 10186b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } else { 10196b091c53000c843211c218ce40287a7edca9bc63Daniel Lam freeAllBuffersExceptHeadLocked(); 10206b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 10216b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 10226b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return err; 10236b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 10246b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 102531a353da225af5329735451c761b430d82dfda1bJamie Gennisint BufferQueue::getMinMaxBufferCountLocked() const { 102672f096fb1ad0a0deadbfac5f88627461905d38e8Jamie Gennis return getMinUndequeuedBufferCountLocked() + 1; 102772f096fb1ad0a0deadbfac5f88627461905d38e8Jamie Gennis} 102872f096fb1ad0a0deadbfac5f88627461905d38e8Jamie Gennis 102972f096fb1ad0a0deadbfac5f88627461905d38e8Jamie Gennisint BufferQueue::getMinUndequeuedBufferCountLocked() const { 103072f096fb1ad0a0deadbfac5f88627461905d38e8Jamie Gennis return mSynchronousMode ? mMaxAcquiredBufferCount : 103172f096fb1ad0a0deadbfac5f88627461905d38e8Jamie Gennis mMaxAcquiredBufferCount + 1; 103231a353da225af5329735451c761b430d82dfda1bJamie Gennis} 103331a353da225af5329735451c761b430d82dfda1bJamie Gennis 1034e191e6c34829aec406a9cfe3e95211f884a311ffJamie Gennisint BufferQueue::getMaxBufferCountLocked() const { 1035e191e6c34829aec406a9cfe3e95211f884a311ffJamie Gennis int minMaxBufferCount = getMinMaxBufferCountLocked(); 1036e191e6c34829aec406a9cfe3e95211f884a311ffJamie Gennis 1037e191e6c34829aec406a9cfe3e95211f884a311ffJamie Gennis int maxBufferCount = mDefaultMaxBufferCount; 1038e191e6c34829aec406a9cfe3e95211f884a311ffJamie Gennis if (maxBufferCount < minMaxBufferCount) { 1039e191e6c34829aec406a9cfe3e95211f884a311ffJamie Gennis maxBufferCount = minMaxBufferCount; 1040e191e6c34829aec406a9cfe3e95211f884a311ffJamie Gennis } 1041e191e6c34829aec406a9cfe3e95211f884a311ffJamie Gennis if (mOverrideMaxBufferCount != 0) { 1042e191e6c34829aec406a9cfe3e95211f884a311ffJamie Gennis assert(mOverrideMaxBufferCount >= minMaxBufferCount); 1043e191e6c34829aec406a9cfe3e95211f884a311ffJamie Gennis maxBufferCount = mOverrideMaxBufferCount; 1044e191e6c34829aec406a9cfe3e95211f884a311ffJamie Gennis } 1045e191e6c34829aec406a9cfe3e95211f884a311ffJamie Gennis 1046e191e6c34829aec406a9cfe3e95211f884a311ffJamie Gennis // Any buffers that are dequeued by the producer or sitting in the queue 1047e191e6c34829aec406a9cfe3e95211f884a311ffJamie Gennis // waiting to be consumed need to have their slots preserved. Such 1048e191e6c34829aec406a9cfe3e95211f884a311ffJamie Gennis // buffers will temporarily keep the max buffer count up until the slots 1049e191e6c34829aec406a9cfe3e95211f884a311ffJamie Gennis // no longer need to be preserved. 1050e191e6c34829aec406a9cfe3e95211f884a311ffJamie Gennis for (int i = maxBufferCount; i < NUM_BUFFER_SLOTS; i++) { 1051e191e6c34829aec406a9cfe3e95211f884a311ffJamie Gennis BufferSlot::BufferState state = mSlots[i].mBufferState; 1052e191e6c34829aec406a9cfe3e95211f884a311ffJamie Gennis if (state == BufferSlot::QUEUED || state == BufferSlot::DEQUEUED) { 1053e191e6c34829aec406a9cfe3e95211f884a311ffJamie Gennis maxBufferCount = i + 1; 1054e191e6c34829aec406a9cfe3e95211f884a311ffJamie Gennis } 1055e191e6c34829aec406a9cfe3e95211f884a311ffJamie Gennis } 1056e191e6c34829aec406a9cfe3e95211f884a311ffJamie Gennis 1057e191e6c34829aec406a9cfe3e95211f884a311ffJamie Gennis return maxBufferCount; 1058e191e6c34829aec406a9cfe3e95211f884a311ffJamie Gennis} 1059e191e6c34829aec406a9cfe3e95211f884a311ffJamie Gennis 1060fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie GennisBufferQueue::ProxyConsumerListener::ProxyConsumerListener( 1061fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis const wp<BufferQueue::ConsumerListener>& consumerListener): 1062fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis mConsumerListener(consumerListener) {} 1063fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 1064fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie GennisBufferQueue::ProxyConsumerListener::~ProxyConsumerListener() {} 1065fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 1066fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennisvoid BufferQueue::ProxyConsumerListener::onFrameAvailable() { 1067fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis sp<BufferQueue::ConsumerListener> listener(mConsumerListener.promote()); 1068fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis if (listener != NULL) { 1069fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis listener->onFrameAvailable(); 1070fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis } 1071fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis} 1072fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 1073fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennisvoid BufferQueue::ProxyConsumerListener::onBuffersReleased() { 1074fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis sp<BufferQueue::ConsumerListener> listener(mConsumerListener.promote()); 1075fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis if (listener != NULL) { 1076fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis listener->onBuffersReleased(); 1077fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis } 1078fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis} 1079fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 10806b091c53000c843211c218ce40287a7edca9bc63Daniel Lam}; // namespace android 1081