BufferQueue.cpp revision 24202f5676c32edeef6544cf36e06b9fc970dbde
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 75abe61bfda4938abd932465e27c29ba9e41aea606Daniel LamBufferQueue::BufferQueue( bool allowSynchronousMode, int bufferCount ) : 766b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mDefaultWidth(1), 776b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mDefaultHeight(1), 786b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mPixelFormat(PIXEL_FORMAT_RGBA_8888), 79abe61bfda4938abd932465e27c29ba9e41aea606Daniel Lam mMinUndequeuedBuffers(bufferCount), 80abe61bfda4938abd932465e27c29ba9e41aea606Daniel Lam mMinAsyncBufferSlots(bufferCount + 1), 81abe61bfda4938abd932465e27c29ba9e41aea606Daniel Lam mMinSyncBufferSlots(bufferCount), 82abe61bfda4938abd932465e27c29ba9e41aea606Daniel Lam mBufferCount(mMinAsyncBufferSlots), 836b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mClientBufferCount(0), 84abe61bfda4938abd932465e27c29ba9e41aea606Daniel Lam mServerBufferCount(mMinAsyncBufferSlots), 856b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSynchronousMode(false), 866b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mAllowSynchronousMode(allowSynchronousMode), 876b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mConnectedApi(NO_CONNECTED_API), 886b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mAbandoned(false), 89eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mFrameCounter(0), 90b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam mBufferHasBeenQueued(false), 91b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam mDefaultBufferFormat(0), 92b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam mConsumerUsageBits(0), 93b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam mTransformHint(0) 946b091c53000c843211c218ce40287a7edca9bc63Daniel Lam{ 956b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // Choose a name using the PID and a process-unique ID. 96eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mConsumerName = String8::format("unnamed-%d-%d", getpid(), createProcessUniqueId()); 976b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 986b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGV("BufferQueue"); 996b091c53000c843211c218ce40287a7edca9bc63Daniel Lam sp<ISurfaceComposer> composer(ComposerService::getComposerService()); 1006b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mGraphicBufferAlloc = composer->createGraphicBufferAlloc(); 101abe61bfda4938abd932465e27c29ba9e41aea606Daniel Lam if (mGraphicBufferAlloc == 0) { 102abe61bfda4938abd932465e27c29ba9e41aea606Daniel Lam ST_LOGE("createGraphicBufferAlloc() failed in BufferQueue()"); 103abe61bfda4938abd932465e27c29ba9e41aea606Daniel Lam } 1046b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 1056b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 1066b091c53000c843211c218ce40287a7edca9bc63Daniel LamBufferQueue::~BufferQueue() { 1076b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGV("~BufferQueue"); 1086b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 1096b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 1106b091c53000c843211c218ce40287a7edca9bc63Daniel Lamstatus_t BufferQueue::setBufferCountServerLocked(int bufferCount) { 1116b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (bufferCount > NUM_BUFFER_SLOTS) 1126b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return BAD_VALUE; 1136b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 1146b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // special-case, nothing to do 1156b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (bufferCount == mBufferCount) 1166b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return OK; 1176b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 1186b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (!mClientBufferCount && 1196b091c53000c843211c218ce40287a7edca9bc63Daniel Lam bufferCount >= mBufferCount) { 1206b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // easy, we just have more buffers 1216b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mBufferCount = bufferCount; 1226b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mServerBufferCount = bufferCount; 12374ff8c23f44f1546d0c7004302f4c7ba726ff4c0Dave Burke mDequeueCondition.broadcast(); 1246b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } else { 1256b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // we're here because we're either 1266b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // - reducing the number of available buffers 1276b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // - or there is a client-buffer-count in effect 1286b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 1296b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // less than 2 buffers is never allowed 1306b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (bufferCount < 2) 1316b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return BAD_VALUE; 1326b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 1336b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // when there is non client-buffer-count in effect, the client is not 1346b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // allowed to dequeue more than one buffer at a time, 1356b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // so the next time they dequeue a buffer, we know that they don't 1366b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // own one. the actual resizing will happen during the next 1376b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // dequeueBuffer. 1386b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 1396b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mServerBufferCount = bufferCount; 140b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam mDequeueCondition.broadcast(); 1416b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 1426b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return OK; 1436b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 1446b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 145eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lambool BufferQueue::isSynchronousMode() const { 146eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam Mutex::Autolock lock(mMutex); 147eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam return mSynchronousMode; 148eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam} 149eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 150eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lamvoid BufferQueue::setConsumerName(const String8& name) { 151eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam Mutex::Autolock lock(mMutex); 152eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mConsumerName = name; 153eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam} 154eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 155b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lamstatus_t BufferQueue::setDefaultBufferFormat(uint32_t defaultFormat) { 156b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam Mutex::Autolock lock(mMutex); 157b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam mDefaultBufferFormat = defaultFormat; 158b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam return OK; 159b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam} 160b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam 161b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lamstatus_t BufferQueue::setConsumerUsageBits(uint32_t usage) { 162b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam Mutex::Autolock lock(mMutex); 163b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam mConsumerUsageBits = usage; 164b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam return OK; 165b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam} 166b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam 167b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lamstatus_t BufferQueue::setTransformHint(uint32_t hint) { 168b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam Mutex::Autolock lock(mMutex); 169b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam mTransformHint = hint; 170b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam return OK; 171b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam} 172b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam 1736b091c53000c843211c218ce40287a7edca9bc63Daniel Lamstatus_t BufferQueue::setBufferCount(int bufferCount) { 1746b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGV("setBufferCount: count=%d", bufferCount); 1756b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 1769abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam sp<ConsumerListener> listener; 1779abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam { 1789abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam Mutex::Autolock lock(mMutex); 1796b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 1809abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam if (mAbandoned) { 1819abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam ST_LOGE("setBufferCount: SurfaceTexture has been abandoned!"); 1829abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam return NO_INIT; 1839abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam } 1849abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam if (bufferCount > NUM_BUFFER_SLOTS) { 1859abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam ST_LOGE("setBufferCount: bufferCount larger than slots available"); 1869abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam return BAD_VALUE; 1876b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 1886b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 1899abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam // Error out if the user has dequeued buffers 1909abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam for (int i=0 ; i<mBufferCount ; i++) { 1919abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam if (mSlots[i].mBufferState == BufferSlot::DEQUEUED) { 1929abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam ST_LOGE("setBufferCount: client owns some buffers"); 1939abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam return -EINVAL; 1949abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam } 1959abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam } 1966b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 1979abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam const int minBufferSlots = mSynchronousMode ? 198abe61bfda4938abd932465e27c29ba9e41aea606Daniel Lam mMinSyncBufferSlots : mMinAsyncBufferSlots; 1999abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam if (bufferCount == 0) { 2009abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam mClientBufferCount = 0; 2019abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam bufferCount = (mServerBufferCount >= minBufferSlots) ? 2029abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam mServerBufferCount : minBufferSlots; 2039abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam return setBufferCountServerLocked(bufferCount); 2049abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam } 2059abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam 2069abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam if (bufferCount < minBufferSlots) { 2079abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam ST_LOGE("setBufferCount: requested buffer count (%d) is less than " 2089abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam "minimum (%d)", bufferCount, minBufferSlots); 2099abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam return BAD_VALUE; 2109abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam } 2119abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam 2129abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam // here we're guaranteed that the client doesn't have dequeued buffers 2139abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam // and will release all of its buffer references. 2149abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam freeAllBuffersLocked(); 2159abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam mBufferCount = bufferCount; 2169abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam mClientBufferCount = bufferCount; 2179abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam mBufferHasBeenQueued = false; 2189abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam mQueue.clear(); 2199abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam mDequeueCondition.broadcast(); 2209abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam listener = mConsumerListener; 2219abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam } // scope for lock 2229abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam 2239abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam if (listener != NULL) { 2249abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam listener->onBuffersReleased(); 2256b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 2266b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 2276b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return OK; 2286b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 2296b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 230b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lamint BufferQueue::query(int what, int* outValue) 231b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam{ 2321c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis ATRACE_CALL(); 233b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam Mutex::Autolock lock(mMutex); 234b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam 235b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam if (mAbandoned) { 236b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam ST_LOGE("query: SurfaceTexture has been abandoned!"); 237b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam return NO_INIT; 238b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam } 239b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam 240b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam int value; 241b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam switch (what) { 242b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam case NATIVE_WINDOW_WIDTH: 243b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam value = mDefaultWidth; 244b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam break; 245b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam case NATIVE_WINDOW_HEIGHT: 246b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam value = mDefaultHeight; 247b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam break; 248b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam case NATIVE_WINDOW_FORMAT: 249b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam value = mPixelFormat; 250b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam break; 251b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam case NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS: 252b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam value = mSynchronousMode ? 253abe61bfda4938abd932465e27c29ba9e41aea606Daniel Lam (mMinUndequeuedBuffers-1) : mMinUndequeuedBuffers; 254b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam break; 255b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam default: 256b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam return BAD_VALUE; 257b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam } 258b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam outValue[0] = value; 259b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam return NO_ERROR; 260b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam} 261b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam 2626b091c53000c843211c218ce40287a7edca9bc63Daniel Lamstatus_t BufferQueue::requestBuffer(int slot, sp<GraphicBuffer>* buf) { 2631c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis ATRACE_CALL(); 2646b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGV("requestBuffer: slot=%d", slot); 2656b091c53000c843211c218ce40287a7edca9bc63Daniel Lam Mutex::Autolock lock(mMutex); 2666b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mAbandoned) { 2676b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("requestBuffer: SurfaceTexture has been abandoned!"); 2686b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return NO_INIT; 2696b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 2706b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (slot < 0 || mBufferCount <= slot) { 2716b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("requestBuffer: slot index out of range [0, %d]: %d", 2726b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mBufferCount, slot); 2736b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return BAD_VALUE; 2746b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 2756b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[slot].mRequestBufferCalled = true; 2766b091c53000c843211c218ce40287a7edca9bc63Daniel Lam *buf = mSlots[slot].mGraphicBuffer; 2776b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return NO_ERROR; 2786b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 2796b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 2806b091c53000c843211c218ce40287a7edca9bc63Daniel Lamstatus_t BufferQueue::dequeueBuffer(int *outBuf, uint32_t w, uint32_t h, 2816b091c53000c843211c218ce40287a7edca9bc63Daniel Lam uint32_t format, uint32_t usage) { 2821c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis ATRACE_CALL(); 2836b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGV("dequeueBuffer: w=%d h=%d fmt=%#x usage=%#x", w, h, format, usage); 2846b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 2856b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if ((w && !h) || (!w && h)) { 2866b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("dequeueBuffer: invalid size: w=%u, h=%u", w, h); 2876b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return BAD_VALUE; 2886b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 2896b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 2906b091c53000c843211c218ce40287a7edca9bc63Daniel Lam status_t returnFlags(OK); 2916b091c53000c843211c218ce40287a7edca9bc63Daniel Lam EGLDisplay dpy = EGL_NO_DISPLAY; 2926b091c53000c843211c218ce40287a7edca9bc63Daniel Lam EGLSyncKHR fence = EGL_NO_SYNC_KHR; 2936b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 2946b091c53000c843211c218ce40287a7edca9bc63Daniel Lam { // Scope for the lock 2956b091c53000c843211c218ce40287a7edca9bc63Daniel Lam Mutex::Autolock lock(mMutex); 2966b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 297b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam if (format == 0) { 298b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam format = mDefaultBufferFormat; 299b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam } 300b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam // turn on usage bits the consumer requested 301b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam usage |= mConsumerUsageBits; 302b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam 3036b091c53000c843211c218ce40287a7edca9bc63Daniel Lam int found = -1; 3046b091c53000c843211c218ce40287a7edca9bc63Daniel Lam int foundSync = -1; 3056b091c53000c843211c218ce40287a7edca9bc63Daniel Lam int dequeuedCount = 0; 3066b091c53000c843211c218ce40287a7edca9bc63Daniel Lam bool tryAgain = true; 3076b091c53000c843211c218ce40287a7edca9bc63Daniel Lam while (tryAgain) { 3086b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mAbandoned) { 3096b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("dequeueBuffer: SurfaceTexture has been abandoned!"); 3106b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return NO_INIT; 3116b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 3126b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 3136b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // We need to wait for the FIFO to drain if the number of buffer 3146b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // needs to change. 3156b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // 3166b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // The condition "number of buffers needs to change" is true if 3176b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // - the client doesn't care about how many buffers there are 3186b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // - AND the actual number of buffer is different from what was 3196b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // set in the last setBufferCountServer() 3206b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // - OR - 3216b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // setBufferCountServer() was set to a value incompatible with 3226b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // the synchronization mode (for instance because the sync mode 3236b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // changed since) 3246b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // 3256b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // As long as this condition is true AND the FIFO is not empty, we 3266b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // wait on mDequeueCondition. 3276b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 3286b091c53000c843211c218ce40287a7edca9bc63Daniel Lam const int minBufferCountNeeded = mSynchronousMode ? 329abe61bfda4938abd932465e27c29ba9e41aea606Daniel Lam mMinSyncBufferSlots : mMinAsyncBufferSlots; 3306b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 3316b091c53000c843211c218ce40287a7edca9bc63Daniel Lam const bool numberOfBuffersNeedsToChange = !mClientBufferCount && 3326b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ((mServerBufferCount != mBufferCount) || 3336b091c53000c843211c218ce40287a7edca9bc63Daniel Lam (mServerBufferCount < minBufferCountNeeded)); 3346b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 3356b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (!mQueue.isEmpty() && numberOfBuffersNeedsToChange) { 3366b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // wait for the FIFO to drain 3376b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mDequeueCondition.wait(mMutex); 3386b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // NOTE: we continue here because we need to reevaluate our 3396b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // whole state (eg: we could be abandoned or disconnected) 3406b091c53000c843211c218ce40287a7edca9bc63Daniel Lam continue; 3416b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 3426b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 3436b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (numberOfBuffersNeedsToChange) { 3446b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // here we're guaranteed that mQueue is empty 3456b091c53000c843211c218ce40287a7edca9bc63Daniel Lam freeAllBuffersLocked(); 3466b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mBufferCount = mServerBufferCount; 3476b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mBufferCount < minBufferCountNeeded) 3486b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mBufferCount = minBufferCountNeeded; 349eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mBufferHasBeenQueued = false; 3506b091c53000c843211c218ce40287a7edca9bc63Daniel Lam returnFlags |= ISurfaceTexture::RELEASE_ALL_BUFFERS; 3516b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 3526b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 3536b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // look for a free buffer to give to the client 3546b091c53000c843211c218ce40287a7edca9bc63Daniel Lam found = INVALID_BUFFER_SLOT; 3556b091c53000c843211c218ce40287a7edca9bc63Daniel Lam foundSync = INVALID_BUFFER_SLOT; 3566b091c53000c843211c218ce40287a7edca9bc63Daniel Lam dequeuedCount = 0; 3576b091c53000c843211c218ce40287a7edca9bc63Daniel Lam for (int i = 0; i < mBufferCount; i++) { 3586b091c53000c843211c218ce40287a7edca9bc63Daniel Lam const int state = mSlots[i].mBufferState; 3596b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (state == BufferSlot::DEQUEUED) { 3606b091c53000c843211c218ce40287a7edca9bc63Daniel Lam dequeuedCount++; 3616b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 3626b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 363eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam // this logic used to be if (FLAG_ALLOW_DEQUEUE_CURRENT_BUFFER) 364eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam // but dequeuing the current buffer is disabled. 365eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam if (false) { 366eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam // This functionality has been temporarily removed so 367eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam // BufferQueue and SurfaceTexture can be refactored into 368eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam // separate objects 3696b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } else { 3706b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (state == BufferSlot::FREE) { 3716b091c53000c843211c218ce40287a7edca9bc63Daniel Lam /* We return the oldest of the free buffers to avoid 3726b091c53000c843211c218ce40287a7edca9bc63Daniel Lam * stalling the producer if possible. This is because 3736b091c53000c843211c218ce40287a7edca9bc63Daniel Lam * the consumer may still have pending reads of the 3746b091c53000c843211c218ce40287a7edca9bc63Daniel Lam * buffers in flight. 3756b091c53000c843211c218ce40287a7edca9bc63Daniel Lam */ 3766b091c53000c843211c218ce40287a7edca9bc63Daniel Lam bool isOlder = mSlots[i].mFrameNumber < 3776b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[found].mFrameNumber; 3786b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (found < 0 || isOlder) { 3796b091c53000c843211c218ce40287a7edca9bc63Daniel Lam foundSync = i; 3806b091c53000c843211c218ce40287a7edca9bc63Daniel Lam found = i; 3816b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 3826b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 3836b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 3846b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 3856b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 3866b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // clients are not allowed to dequeue more than one buffer 3876b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // if they didn't set a buffer count. 3886b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (!mClientBufferCount && dequeuedCount) { 3896b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("dequeueBuffer: can't dequeue multiple buffers without " 3906b091c53000c843211c218ce40287a7edca9bc63Daniel Lam "setting the buffer count"); 3916b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return -EINVAL; 3926b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 3936b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 3946b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // See whether a buffer has been queued since the last 3956b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // setBufferCount so we know whether to perform the 396abe61bfda4938abd932465e27c29ba9e41aea606Daniel Lam // mMinUndequeuedBuffers check below. 397eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam if (mBufferHasBeenQueued) { 3986b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // make sure the client is not trying to dequeue more buffers 3996b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // than allowed. 4006b091c53000c843211c218ce40287a7edca9bc63Daniel Lam const int avail = mBufferCount - (dequeuedCount+1); 401abe61bfda4938abd932465e27c29ba9e41aea606Daniel Lam if (avail < (mMinUndequeuedBuffers-int(mSynchronousMode))) { 402abe61bfda4938abd932465e27c29ba9e41aea606Daniel Lam ST_LOGE("dequeueBuffer: mMinUndequeuedBuffers=%d exceeded " 4036b091c53000c843211c218ce40287a7edca9bc63Daniel Lam "(dequeued=%d)", 404abe61bfda4938abd932465e27c29ba9e41aea606Daniel Lam mMinUndequeuedBuffers-int(mSynchronousMode), 4056b091c53000c843211c218ce40287a7edca9bc63Daniel Lam dequeuedCount); 4066b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return -EBUSY; 4076b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 4086b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 4096b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 410c2c1f2f24cd70bdcf1958157bab38467bf0fdc71Daniel Lam // if no buffer is found, wait for a buffer to be released 411c2c1f2f24cd70bdcf1958157bab38467bf0fdc71Daniel Lam tryAgain = found == INVALID_BUFFER_SLOT; 4126b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (tryAgain) { 4136b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mDequeueCondition.wait(mMutex); 4146b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 4156b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 4166b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 4176b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 4186b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (found == INVALID_BUFFER_SLOT) { 4196b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // This should not happen. 4206b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("dequeueBuffer: no available buffer slots"); 4216b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return -EBUSY; 4226b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 4236b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 4246b091c53000c843211c218ce40287a7edca9bc63Daniel Lam const int buf = found; 4256b091c53000c843211c218ce40287a7edca9bc63Daniel Lam *outBuf = found; 4266b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 427546ed2d7d98ce4f1415647913a231a6b4fc6ca66Mathias Agopian ATRACE_BUFFER_INDEX(buf); 428546ed2d7d98ce4f1415647913a231a6b4fc6ca66Mathias Agopian 4296b091c53000c843211c218ce40287a7edca9bc63Daniel Lam const bool useDefaultSize = !w && !h; 4306b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (useDefaultSize) { 4316b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // use the default size 4326b091c53000c843211c218ce40287a7edca9bc63Daniel Lam w = mDefaultWidth; 4336b091c53000c843211c218ce40287a7edca9bc63Daniel Lam h = mDefaultHeight; 4346b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 4356b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 4366b091c53000c843211c218ce40287a7edca9bc63Daniel Lam const bool updateFormat = (format != 0); 4376b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (!updateFormat) { 4386b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // keep the current (or default) format 4396b091c53000c843211c218ce40287a7edca9bc63Daniel Lam format = mPixelFormat; 4406b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 4416b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 4426b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // buffer is now in DEQUEUED (but can also be current at the same time, 4436b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // if we're in synchronous mode) 4446b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[buf].mBufferState = BufferSlot::DEQUEUED; 4456b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 4466b091c53000c843211c218ce40287a7edca9bc63Daniel Lam const sp<GraphicBuffer>& buffer(mSlots[buf].mGraphicBuffer); 4476b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if ((buffer == NULL) || 4486b091c53000c843211c218ce40287a7edca9bc63Daniel Lam (uint32_t(buffer->width) != w) || 4496b091c53000c843211c218ce40287a7edca9bc63Daniel Lam (uint32_t(buffer->height) != h) || 4506b091c53000c843211c218ce40287a7edca9bc63Daniel Lam (uint32_t(buffer->format) != format) || 4516b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ((uint32_t(buffer->usage) & usage) != usage)) 4526b091c53000c843211c218ce40287a7edca9bc63Daniel Lam { 4536b091c53000c843211c218ce40287a7edca9bc63Daniel Lam status_t error; 4546b091c53000c843211c218ce40287a7edca9bc63Daniel Lam sp<GraphicBuffer> graphicBuffer( 4556b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mGraphicBufferAlloc->createGraphicBuffer( 4566b091c53000c843211c218ce40287a7edca9bc63Daniel Lam w, h, format, usage, &error)); 4576b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (graphicBuffer == 0) { 4586b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("dequeueBuffer: SurfaceComposer::createGraphicBuffer " 4596b091c53000c843211c218ce40287a7edca9bc63Daniel Lam "failed"); 4606b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return error; 4616b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 4626b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (updateFormat) { 4636b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mPixelFormat = format; 4646b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 465eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 466eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mSlots[buf].mAcquireCalled = false; 4676b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[buf].mGraphicBuffer = graphicBuffer; 4686b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[buf].mRequestBufferCalled = false; 4696b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[buf].mFence = EGL_NO_SYNC_KHR; 470eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mSlots[buf].mEglDisplay = EGL_NO_DISPLAY; 471eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 4726b091c53000c843211c218ce40287a7edca9bc63Daniel Lam returnFlags |= ISurfaceTexture::BUFFER_NEEDS_REALLOCATION; 4736b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 4746b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 4756b091c53000c843211c218ce40287a7edca9bc63Daniel Lam dpy = mSlots[buf].mEglDisplay; 4766b091c53000c843211c218ce40287a7edca9bc63Daniel Lam fence = mSlots[buf].mFence; 4776b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[buf].mFence = EGL_NO_SYNC_KHR; 478eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam } // end lock scope 4796b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 4806b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (fence != EGL_NO_SYNC_KHR) { 4816b091c53000c843211c218ce40287a7edca9bc63Daniel Lam EGLint result = eglClientWaitSyncKHR(dpy, fence, 0, 1000000000); 4826b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // If something goes wrong, log the error, but return the buffer without 4836b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // synchronizing access to it. It's too late at this point to abort the 4846b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // dequeue operation. 4856b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (result == EGL_FALSE) { 4866b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ALOGE("dequeueBuffer: error waiting for fence: %#x", eglGetError()); 4876b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } else if (result == EGL_TIMEOUT_EXPIRED_KHR) { 4886b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ALOGE("dequeueBuffer: timeout waiting for fence"); 4896b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 4906b091c53000c843211c218ce40287a7edca9bc63Daniel Lam eglDestroySyncKHR(dpy, fence); 4916b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 4926b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 4936b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGV("dequeueBuffer: returning slot=%d buf=%p flags=%#x", *outBuf, 4946b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[*outBuf].mGraphicBuffer->handle, returnFlags); 4956b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 4966b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return returnFlags; 4976b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 4986b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 4996b091c53000c843211c218ce40287a7edca9bc63Daniel Lamstatus_t BufferQueue::setSynchronousMode(bool enabled) { 5001c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis ATRACE_CALL(); 5016b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGV("setSynchronousMode: enabled=%d", enabled); 5026b091c53000c843211c218ce40287a7edca9bc63Daniel Lam Mutex::Autolock lock(mMutex); 5036b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 5046b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mAbandoned) { 5056b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("setSynchronousMode: SurfaceTexture has been abandoned!"); 5066b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return NO_INIT; 5076b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 5086b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 5096b091c53000c843211c218ce40287a7edca9bc63Daniel Lam status_t err = OK; 5106b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (!mAllowSynchronousMode && enabled) 5116b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return err; 5126b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 5136b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (!enabled) { 5146b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // going to asynchronous mode, drain the queue 5156b091c53000c843211c218ce40287a7edca9bc63Daniel Lam err = drainQueueLocked(); 5166b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (err != NO_ERROR) 5176b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return err; 5186b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 5196b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 5206b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mSynchronousMode != enabled) { 5216b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // - if we're going to asynchronous mode, the queue is guaranteed to be 5226b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // empty here 5236b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // - if the client set the number of buffers, we're guaranteed that 5246b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // we have at least 3 (because we don't allow less) 5256b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSynchronousMode = enabled; 52674ff8c23f44f1546d0c7004302f4c7ba726ff4c0Dave Burke mDequeueCondition.broadcast(); 5276b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 5286b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return err; 5296b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 5306b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 531f0bc2f1d8d37977bd3aef3d3326a70e9e69d4246Mathias Agopianstatus_t BufferQueue::queueBuffer(int buf, 532f0bc2f1d8d37977bd3aef3d3326a70e9e69d4246Mathias Agopian const QueueBufferInput& input, QueueBufferOutput* output) { 5331c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis ATRACE_CALL(); 534546ed2d7d98ce4f1415647913a231a6b4fc6ca66Mathias Agopian ATRACE_BUFFER_INDEX(buf); 535546ed2d7d98ce4f1415647913a231a6b4fc6ca66Mathias Agopian 5366c47034f5ec30041c54d8f0479b01bce566440dfEino-Ville Talvala ST_LOGV("queueBuffer: slot=%d time=%lld crop=[%d,%d,%d,%d]", buf, 5376c47034f5ec30041c54d8f0479b01bce566440dfEino-Ville Talvala mSlots[buf].mTimestamp, 5386c47034f5ec30041c54d8f0479b01bce566440dfEino-Ville Talvala mSlots[buf].mCrop.left, 5396c47034f5ec30041c54d8f0479b01bce566440dfEino-Ville Talvala mSlots[buf].mCrop.top, 5406c47034f5ec30041c54d8f0479b01bce566440dfEino-Ville Talvala mSlots[buf].mCrop.right, 5416c47034f5ec30041c54d8f0479b01bce566440dfEino-Ville Talvala mSlots[buf].mCrop.bottom); 5426b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 543fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis sp<ConsumerListener> listener; 5446b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 5456b091c53000c843211c218ce40287a7edca9bc63Daniel Lam { // scope for the lock 5466b091c53000c843211c218ce40287a7edca9bc63Daniel Lam Mutex::Autolock lock(mMutex); 5476b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mAbandoned) { 5486b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("queueBuffer: SurfaceTexture has been abandoned!"); 5496b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return NO_INIT; 5506b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 5516b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (buf < 0 || buf >= mBufferCount) { 5526b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("queueBuffer: slot index out of range [0, %d]: %d", 5536b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mBufferCount, buf); 5546b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return -EINVAL; 5556b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } else if (mSlots[buf].mBufferState != BufferSlot::DEQUEUED) { 5566b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("queueBuffer: slot %d is not owned by the client " 5576b091c53000c843211c218ce40287a7edca9bc63Daniel Lam "(state=%d)", buf, mSlots[buf].mBufferState); 5586b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return -EINVAL; 5596b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } else if (!mSlots[buf].mRequestBufferCalled) { 5606b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("queueBuffer: slot %d was enqueued without requesting a " 5616b091c53000c843211c218ce40287a7edca9bc63Daniel Lam "buffer", buf); 5626b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return -EINVAL; 5636b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 5646b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 5656b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mSynchronousMode) { 5666b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // In synchronous mode we queue all buffers in a FIFO. 5676b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mQueue.push_back(buf); 5686b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 5696b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // Synchronous mode always signals that an additional frame should 5706b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // be consumed. 571fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis listener = mConsumerListener; 5726b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } else { 5736b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // In asynchronous mode we only keep the most recent buffer. 5746b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mQueue.empty()) { 5756b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mQueue.push_back(buf); 5766b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 5776b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // Asynchronous mode only signals that a frame should be 5786b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // consumed if no previous frame was pending. If a frame were 5796b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // pending then the consumer would have already been notified. 580fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis listener = mConsumerListener; 5816b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } else { 5826b091c53000c843211c218ce40287a7edca9bc63Daniel Lam Fifo::iterator front(mQueue.begin()); 5836b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // buffer currently queued is freed 5846b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[*front].mBufferState = BufferSlot::FREE; 5856b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // and we record the new buffer index in the queued list 5866b091c53000c843211c218ce40287a7edca9bc63Daniel Lam *front = buf; 5876b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 5886b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 5896b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 590f0bc2f1d8d37977bd3aef3d3326a70e9e69d4246Mathias Agopian int scalingMode; 591f0bc2f1d8d37977bd3aef3d3326a70e9e69d4246Mathias Agopian 592f0bc2f1d8d37977bd3aef3d3326a70e9e69d4246Mathias Agopian input.deflate( 593f0bc2f1d8d37977bd3aef3d3326a70e9e69d4246Mathias Agopian &mSlots[buf].mTimestamp, 594f0bc2f1d8d37977bd3aef3d3326a70e9e69d4246Mathias Agopian &mSlots[buf].mCrop, 595f0bc2f1d8d37977bd3aef3d3326a70e9e69d4246Mathias Agopian &scalingMode, 596f0bc2f1d8d37977bd3aef3d3326a70e9e69d4246Mathias Agopian &mSlots[buf].mTransform); 597f0bc2f1d8d37977bd3aef3d3326a70e9e69d4246Mathias Agopian 598f0bc2f1d8d37977bd3aef3d3326a70e9e69d4246Mathias Agopian 599851ef8f1bfbb164d61b1528a529a464f0a60dbafMathias Agopian switch (scalingMode) { 600851ef8f1bfbb164d61b1528a529a464f0a60dbafMathias Agopian case NATIVE_WINDOW_SCALING_MODE_FREEZE: 601851ef8f1bfbb164d61b1528a529a464f0a60dbafMathias Agopian case NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW: 602016c8cbce4dde21f2703b9865f52d16b8d5d5ae2Daniel Lam case NATIVE_WINDOW_SCALING_MODE_SCALE_CROP: 603851ef8f1bfbb164d61b1528a529a464f0a60dbafMathias Agopian break; 604851ef8f1bfbb164d61b1528a529a464f0a60dbafMathias Agopian default: 605851ef8f1bfbb164d61b1528a529a464f0a60dbafMathias Agopian ST_LOGE("unknown scaling mode: %d (ignoring)", scalingMode); 606851ef8f1bfbb164d61b1528a529a464f0a60dbafMathias Agopian scalingMode = mSlots[buf].mScalingMode; 607851ef8f1bfbb164d61b1528a529a464f0a60dbafMathias Agopian break; 608851ef8f1bfbb164d61b1528a529a464f0a60dbafMathias Agopian } 609851ef8f1bfbb164d61b1528a529a464f0a60dbafMathias Agopian 6106b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[buf].mBufferState = BufferSlot::QUEUED; 611851ef8f1bfbb164d61b1528a529a464f0a60dbafMathias Agopian mSlots[buf].mScalingMode = scalingMode; 6126b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mFrameCounter++; 6136b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[buf].mFrameNumber = mFrameCounter; 6146b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 615eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mBufferHasBeenQueued = true; 61674ff8c23f44f1546d0c7004302f4c7ba726ff4c0Dave Burke mDequeueCondition.broadcast(); 6176b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 618b364be8e55a2ce0b0480e237cb9aac30bd215585Mathias Agopian output->inflate(mDefaultWidth, mDefaultHeight, mTransformHint); 6191c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis 6201c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis ATRACE_INT(mConsumerName.string(), mQueue.size()); 6216b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } // scope for the lock 6226b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 6236b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // call back without lock held 6246b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (listener != 0) { 6256b091c53000c843211c218ce40287a7edca9bc63Daniel Lam listener->onFrameAvailable(); 6266b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 6276b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return OK; 6286b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 6296b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 6306b091c53000c843211c218ce40287a7edca9bc63Daniel Lamvoid BufferQueue::cancelBuffer(int buf) { 6311c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis ATRACE_CALL(); 6326b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGV("cancelBuffer: slot=%d", buf); 6336b091c53000c843211c218ce40287a7edca9bc63Daniel Lam Mutex::Autolock lock(mMutex); 6346b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 6356b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mAbandoned) { 6366b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGW("cancelBuffer: BufferQueue has been abandoned!"); 6376b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return; 6386b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 6396b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 6406b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (buf < 0 || buf >= mBufferCount) { 6416b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("cancelBuffer: slot index out of range [0, %d]: %d", 6426b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mBufferCount, buf); 6436b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return; 6446b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } else if (mSlots[buf].mBufferState != BufferSlot::DEQUEUED) { 6456b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("cancelBuffer: slot %d is not owned by the client (state=%d)", 6466b091c53000c843211c218ce40287a7edca9bc63Daniel Lam buf, mSlots[buf].mBufferState); 6476b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return; 6486b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 6496b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[buf].mBufferState = BufferSlot::FREE; 6506b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[buf].mFrameNumber = 0; 65174ff8c23f44f1546d0c7004302f4c7ba726ff4c0Dave Burke mDequeueCondition.broadcast(); 6526b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 6536b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 65424202f5676c32edeef6544cf36e06b9fc970dbdeMathias Agopianstatus_t BufferQueue::connect(int api, QueueBufferOutput* output) { 6551c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis ATRACE_CALL(); 6566b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGV("connect: api=%d", api); 6576b091c53000c843211c218ce40287a7edca9bc63Daniel Lam Mutex::Autolock lock(mMutex); 6586b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 6596b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mAbandoned) { 6606b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("connect: BufferQueue has been abandoned!"); 6616b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return NO_INIT; 6626b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 6636b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 664fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis if (mConsumerListener == NULL) { 665fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis ST_LOGE("connect: BufferQueue has no consumer!"); 666fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis return NO_INIT; 667fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis } 668fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 6696b091c53000c843211c218ce40287a7edca9bc63Daniel Lam int err = NO_ERROR; 6706b091c53000c843211c218ce40287a7edca9bc63Daniel Lam switch (api) { 6716b091c53000c843211c218ce40287a7edca9bc63Daniel Lam case NATIVE_WINDOW_API_EGL: 6726b091c53000c843211c218ce40287a7edca9bc63Daniel Lam case NATIVE_WINDOW_API_CPU: 6736b091c53000c843211c218ce40287a7edca9bc63Daniel Lam case NATIVE_WINDOW_API_MEDIA: 6746b091c53000c843211c218ce40287a7edca9bc63Daniel Lam case NATIVE_WINDOW_API_CAMERA: 6756b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mConnectedApi != NO_CONNECTED_API) { 6766b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("connect: already connected (cur=%d, req=%d)", 6776b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mConnectedApi, api); 6786b091c53000c843211c218ce40287a7edca9bc63Daniel Lam err = -EINVAL; 6796b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } else { 6806b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mConnectedApi = api; 68124202f5676c32edeef6544cf36e06b9fc970dbdeMathias Agopian output->inflate(mDefaultWidth, mDefaultHeight, mDefaultHeight); 6826b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 6836b091c53000c843211c218ce40287a7edca9bc63Daniel Lam break; 6846b091c53000c843211c218ce40287a7edca9bc63Daniel Lam default: 6856b091c53000c843211c218ce40287a7edca9bc63Daniel Lam err = -EINVAL; 6866b091c53000c843211c218ce40287a7edca9bc63Daniel Lam break; 6876b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 688eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 689eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mBufferHasBeenQueued = false; 690eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 6916b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return err; 6926b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 6936b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 6946b091c53000c843211c218ce40287a7edca9bc63Daniel Lamstatus_t BufferQueue::disconnect(int api) { 6951c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis ATRACE_CALL(); 6966b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGV("disconnect: api=%d", api); 6976b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 6986b091c53000c843211c218ce40287a7edca9bc63Daniel Lam int err = NO_ERROR; 699fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis sp<ConsumerListener> listener; 700fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 701fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis { // Scope for the lock 702fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis Mutex::Autolock lock(mMutex); 703fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 704fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis if (mAbandoned) { 705fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis // it is not really an error to disconnect after the surface 706fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis // has been abandoned, it should just be a no-op. 707fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis return NO_ERROR; 708fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis } 709fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 710fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis switch (api) { 711fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis case NATIVE_WINDOW_API_EGL: 712fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis case NATIVE_WINDOW_API_CPU: 713fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis case NATIVE_WINDOW_API_MEDIA: 714fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis case NATIVE_WINDOW_API_CAMERA: 715fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis if (mConnectedApi == api) { 716fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis drainQueueAndFreeBuffersLocked(); 717fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis mConnectedApi = NO_CONNECTED_API; 718fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis mDequeueCondition.broadcast(); 719fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis listener = mConsumerListener; 720fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis } else { 721fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis ST_LOGE("disconnect: connected to another api (cur=%d, req=%d)", 722fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis mConnectedApi, api); 723fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis err = -EINVAL; 724fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis } 725fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis break; 726fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis default: 727fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis ST_LOGE("disconnect: unknown API %d", api); 7286b091c53000c843211c218ce40287a7edca9bc63Daniel Lam err = -EINVAL; 729fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis break; 730fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis } 7316b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 732fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 733fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis if (listener != NULL) { 734fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis listener->onBuffersReleased(); 735fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis } 736fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 7376b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return err; 7386b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 7396b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 740eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lamvoid BufferQueue::dump(String8& result) const 741eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam{ 742eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam char buffer[1024]; 743eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam BufferQueue::dump(result, "", buffer, 1024); 744eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam} 745eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 746eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lamvoid BufferQueue::dump(String8& result, const char* prefix, 747eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam char* buffer, size_t SIZE) const 748eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam{ 749eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam Mutex::Autolock _l(mMutex); 750eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 751eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam String8 fifo; 752eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam int fifoSize = 0; 753eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam Fifo::const_iterator i(mQueue.begin()); 754eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam while (i != mQueue.end()) { 755eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam snprintf(buffer, SIZE, "%02d ", *i++); 756eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam fifoSize++; 757eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam fifo.append(buffer); 758eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam } 759eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 760eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam snprintf(buffer, SIZE, 761eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam "%s-BufferQueue mBufferCount=%d, mSynchronousMode=%d, default-size=[%dx%d], " 762eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam "mPixelFormat=%d, FIFO(%d)={%s}\n", 763eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam prefix, mBufferCount, mSynchronousMode, mDefaultWidth, 764eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mDefaultHeight, mPixelFormat, fifoSize, fifo.string()); 765eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam result.append(buffer); 766eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 767eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 768eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam struct { 769eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam const char * operator()(int state) const { 770eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam switch (state) { 771eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam case BufferSlot::DEQUEUED: return "DEQUEUED"; 772eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam case BufferSlot::QUEUED: return "QUEUED"; 773eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam case BufferSlot::FREE: return "FREE"; 774eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam case BufferSlot::ACQUIRED: return "ACQUIRED"; 775eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam default: return "Unknown"; 776eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam } 777eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam } 778eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam } stateName; 779eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 780eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam for (int i=0 ; i<mBufferCount ; i++) { 781eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam const BufferSlot& slot(mSlots[i]); 782eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam snprintf(buffer, SIZE, 783eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam "%s%s[%02d] " 784eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam "state=%-8s, crop=[%d,%d,%d,%d], " 785eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam "transform=0x%02x, timestamp=%lld", 786eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam prefix, (slot.mBufferState == BufferSlot::ACQUIRED)?">":" ", i, 787eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam stateName(slot.mBufferState), 788eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam slot.mCrop.left, slot.mCrop.top, slot.mCrop.right, 789eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam slot.mCrop.bottom, slot.mTransform, slot.mTimestamp 790eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam ); 791eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam result.append(buffer); 792eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 793eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam const sp<GraphicBuffer>& buf(slot.mGraphicBuffer); 794eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam if (buf != NULL) { 795eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam snprintf(buffer, SIZE, 796eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam ", %p [%4ux%4u:%4u,%3X]", 797eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam buf->handle, buf->width, buf->height, buf->stride, 798eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam buf->format); 799eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam result.append(buffer); 800eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam } 801eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam result.append("\n"); 802eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam } 803eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam} 804eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 8056b091c53000c843211c218ce40287a7edca9bc63Daniel Lamvoid BufferQueue::freeBufferLocked(int i) { 8066b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[i].mGraphicBuffer = 0; 8079abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam if (mSlots[i].mBufferState == BufferSlot::ACQUIRED) { 8089abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam mSlots[i].mNeedsCleanupOnRelease = true; 8099abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam } 8106b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[i].mBufferState = BufferSlot::FREE; 8116b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[i].mFrameNumber = 0; 812eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mSlots[i].mAcquireCalled = false; 813eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 814eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam // destroy fence as BufferQueue now takes ownership 815eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam if (mSlots[i].mFence != EGL_NO_SYNC_KHR) { 816eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam eglDestroySyncKHR(mSlots[i].mEglDisplay, mSlots[i].mFence); 817eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mSlots[i].mFence = EGL_NO_SYNC_KHR; 8186b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 8196b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 8206b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 8216b091c53000c843211c218ce40287a7edca9bc63Daniel Lamvoid BufferQueue::freeAllBuffersLocked() { 8226b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ALOGW_IF(!mQueue.isEmpty(), 8236b091c53000c843211c218ce40287a7edca9bc63Daniel Lam "freeAllBuffersLocked called but mQueue is not empty"); 824eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mQueue.clear(); 825eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mBufferHasBeenQueued = false; 8266b091c53000c843211c218ce40287a7edca9bc63Daniel Lam for (int i = 0; i < NUM_BUFFER_SLOTS; i++) { 8276b091c53000c843211c218ce40287a7edca9bc63Daniel Lam freeBufferLocked(i); 8286b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 8296b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 8306b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 831fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennisstatus_t BufferQueue::acquireBuffer(BufferItem *buffer) { 832546ed2d7d98ce4f1415647913a231a6b4fc6ca66Mathias Agopian ATRACE_CALL(); 833eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam Mutex::Autolock _l(mMutex); 834eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam // check if queue is empty 835eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam // In asynchronous mode the list is guaranteed to be one buffer 836eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam // deep, while in synchronous mode we use the oldest buffer. 837eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam if (!mQueue.empty()) { 838eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam Fifo::iterator front(mQueue.begin()); 839eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam int buf = *front; 840eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 841546ed2d7d98ce4f1415647913a231a6b4fc6ca66Mathias Agopian ATRACE_BUFFER_INDEX(buf); 842546ed2d7d98ce4f1415647913a231a6b4fc6ca66Mathias Agopian 843eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam if (mSlots[buf].mAcquireCalled) { 844eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam buffer->mGraphicBuffer = NULL; 845fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis } else { 846eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam buffer->mGraphicBuffer = mSlots[buf].mGraphicBuffer; 847eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam } 848eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam buffer->mCrop = mSlots[buf].mCrop; 849eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam buffer->mTransform = mSlots[buf].mTransform; 850eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam buffer->mScalingMode = mSlots[buf].mScalingMode; 851eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam buffer->mFrameNumber = mSlots[buf].mFrameNumber; 8523fcee50ffaeb745819356e395408b4d7e3239c13Daniel Lam buffer->mTimestamp = mSlots[buf].mTimestamp; 853eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam buffer->mBuf = buf; 854eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mSlots[buf].mAcquireCalled = true; 855eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 856eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mSlots[buf].mBufferState = BufferSlot::ACQUIRED; 857eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mQueue.erase(front); 85874ff8c23f44f1546d0c7004302f4c7ba726ff4c0Dave Burke mDequeueCondition.broadcast(); 8591c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis 8601c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis ATRACE_INT(mConsumerName.string(), mQueue.size()); 861fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis } else { 862fbcda930dd8b2823cfeb160fd0131f5897b7522fDaniel Lam return NO_BUFFER_AVAILABLE; 863eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam } 864eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 865eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam return OK; 866eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam} 867eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 868eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lamstatus_t BufferQueue::releaseBuffer(int buf, EGLDisplay display, 869eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam EGLSyncKHR fence) { 870546ed2d7d98ce4f1415647913a231a6b4fc6ca66Mathias Agopian ATRACE_CALL(); 871546ed2d7d98ce4f1415647913a231a6b4fc6ca66Mathias Agopian ATRACE_BUFFER_INDEX(buf); 872546ed2d7d98ce4f1415647913a231a6b4fc6ca66Mathias Agopian 873eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam Mutex::Autolock _l(mMutex); 874eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 875eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam if (buf == INVALID_BUFFER_SLOT) { 876eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam return -EINVAL; 877eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam } 878eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 879eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mSlots[buf].mEglDisplay = display; 880eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mSlots[buf].mFence = fence; 881eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 8829abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam // The buffer can now only be released if its in the acquired state 8839abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam if (mSlots[buf].mBufferState == BufferSlot::ACQUIRED) { 884eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mSlots[buf].mBufferState = BufferSlot::FREE; 8859abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam } else if (mSlots[buf].mNeedsCleanupOnRelease) { 8869abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam ST_LOGV("releasing a stale buf %d its state was %d", buf, mSlots[buf].mBufferState); 8879abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam mSlots[buf].mNeedsCleanupOnRelease = false; 8889abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam return STALE_BUFFER_SLOT; 8899abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam } else { 8909abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam ST_LOGE("attempted to release buf %d but its state was %d", buf, mSlots[buf].mBufferState); 8919abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam return -EINVAL; 892eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam } 893eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 8949abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam mDequeueCondition.broadcast(); 895eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam return OK; 896eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam} 897eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 898fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennisstatus_t BufferQueue::consumerConnect(const sp<ConsumerListener>& consumerListener) { 899fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis ST_LOGV("consumerConnect"); 900fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis Mutex::Autolock lock(mMutex); 901fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 902fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis if (mAbandoned) { 903fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis ST_LOGE("consumerConnect: BufferQueue has been abandoned!"); 904fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis return NO_INIT; 905fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis } 906fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 907fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis mConsumerListener = consumerListener; 908fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 909fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis return OK; 910fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis} 911fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 912eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lamstatus_t BufferQueue::consumerDisconnect() { 913fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis ST_LOGV("consumerDisconnect"); 914eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam Mutex::Autolock lock(mMutex); 915b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam 916fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis if (mConsumerListener == NULL) { 917fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis ST_LOGE("consumerDisconnect: No consumer is connected!"); 918fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis return -EINVAL; 919fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis } 920b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam 921fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis mAbandoned = true; 922fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis mConsumerListener = NULL; 923b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam mQueue.clear(); 924eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam freeAllBuffersLocked(); 92574ff8c23f44f1546d0c7004302f4c7ba726ff4c0Dave Burke mDequeueCondition.broadcast(); 926eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam return OK; 927eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam} 928eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 929fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennisstatus_t BufferQueue::getReleasedBuffers(uint32_t* slotMask) { 930fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis ST_LOGV("getReleasedBuffers"); 931fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis Mutex::Autolock lock(mMutex); 932fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 933fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis if (mAbandoned) { 934fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis ST_LOGE("getReleasedBuffers: BufferQueue has been abandoned!"); 935fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis return NO_INIT; 936fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis } 937fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 938fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis uint32_t mask = 0; 939fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis for (int i = 0; i < NUM_BUFFER_SLOTS; i++) { 940fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis if (!mSlots[i].mAcquireCalled) { 941fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis mask |= 1 << i; 942fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis } 943fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis } 944fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis *slotMask = mask; 945fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 946fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis ST_LOGV("getReleasedBuffers: returning mask %#x", mask); 947fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis return NO_ERROR; 948fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis} 949fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 950eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lamstatus_t BufferQueue::setDefaultBufferSize(uint32_t w, uint32_t h) 951eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam{ 952eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam ST_LOGV("setDefaultBufferSize: w=%d, h=%d", w, h); 953eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam if (!w || !h) { 954eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam ST_LOGE("setDefaultBufferSize: dimensions cannot be 0 (w=%d, h=%d)", 955eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam w, h); 956eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam return BAD_VALUE; 957eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam } 958eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 959eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam Mutex::Autolock lock(mMutex); 960eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mDefaultWidth = w; 961eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mDefaultHeight = h; 962eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam return OK; 963eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam} 964eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 965eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lamstatus_t BufferQueue::setBufferCountServer(int bufferCount) { 9661c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis ATRACE_CALL(); 967eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam Mutex::Autolock lock(mMutex); 968eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam return setBufferCountServerLocked(bufferCount); 969eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam} 970eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 9716b091c53000c843211c218ce40287a7edca9bc63Daniel Lamvoid BufferQueue::freeAllBuffersExceptHeadLocked() { 9726b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ALOGW_IF(!mQueue.isEmpty(), 9736b091c53000c843211c218ce40287a7edca9bc63Daniel Lam "freeAllBuffersExceptCurrentLocked called but mQueue is not empty"); 9746b091c53000c843211c218ce40287a7edca9bc63Daniel Lam int head = -1; 9756b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (!mQueue.empty()) { 9766b091c53000c843211c218ce40287a7edca9bc63Daniel Lam Fifo::iterator front(mQueue.begin()); 9776b091c53000c843211c218ce40287a7edca9bc63Daniel Lam head = *front; 9786b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 979eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mBufferHasBeenQueued = false; 9806b091c53000c843211c218ce40287a7edca9bc63Daniel Lam for (int i = 0; i < NUM_BUFFER_SLOTS; i++) { 9816b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (i != head) { 9826b091c53000c843211c218ce40287a7edca9bc63Daniel Lam freeBufferLocked(i); 9836b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 9846b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 9856b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 9866b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 9876b091c53000c843211c218ce40287a7edca9bc63Daniel Lamstatus_t BufferQueue::drainQueueLocked() { 9886b091c53000c843211c218ce40287a7edca9bc63Daniel Lam while (mSynchronousMode && !mQueue.isEmpty()) { 9896b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mDequeueCondition.wait(mMutex); 9906b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mAbandoned) { 9916b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("drainQueueLocked: BufferQueue has been abandoned!"); 9926b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return NO_INIT; 9936b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 9946b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mConnectedApi == NO_CONNECTED_API) { 9956b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("drainQueueLocked: BufferQueue is not connected!"); 9966b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return NO_INIT; 9976b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 9986b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 9996b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return NO_ERROR; 10006b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 10016b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 10026b091c53000c843211c218ce40287a7edca9bc63Daniel Lamstatus_t BufferQueue::drainQueueAndFreeBuffersLocked() { 10036b091c53000c843211c218ce40287a7edca9bc63Daniel Lam status_t err = drainQueueLocked(); 10046b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (err == NO_ERROR) { 10056b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mSynchronousMode) { 10066b091c53000c843211c218ce40287a7edca9bc63Daniel Lam freeAllBuffersLocked(); 10076b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } else { 10086b091c53000c843211c218ce40287a7edca9bc63Daniel Lam freeAllBuffersExceptHeadLocked(); 10096b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 10106b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 10116b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return err; 10126b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 10136b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 1014fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie GennisBufferQueue::ProxyConsumerListener::ProxyConsumerListener( 1015fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis const wp<BufferQueue::ConsumerListener>& consumerListener): 1016fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis mConsumerListener(consumerListener) {} 1017fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 1018fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie GennisBufferQueue::ProxyConsumerListener::~ProxyConsumerListener() {} 1019fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 1020fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennisvoid BufferQueue::ProxyConsumerListener::onFrameAvailable() { 1021fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis sp<BufferQueue::ConsumerListener> listener(mConsumerListener.promote()); 1022fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis if (listener != NULL) { 1023fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis listener->onFrameAvailable(); 1024fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis } 1025fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis} 1026fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 1027fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennisvoid BufferQueue::ProxyConsumerListener::onBuffersReleased() { 1028fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis sp<BufferQueue::ConsumerListener> listener(mConsumerListener.promote()); 1029fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis if (listener != NULL) { 1030fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis listener->onBuffersReleased(); 1031fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis } 1032fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis} 1033fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 10346b091c53000c843211c218ce40287a7edca9bc63Daniel Lam}; // namespace android 1035