BufferQueue.cpp revision efc7ab6dcea8c22ddd7c0259ef4ab4bbf1e93044
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; 2552488b20aec097accb20a853d9876bb0a5dc04636Mathias Agopian case NATIVE_WINDOW_CONSUMER_RUNNING_BEHIND: 2562488b20aec097accb20a853d9876bb0a5dc04636Mathias Agopian value = (mQueue.size() >= 2); 2572488b20aec097accb20a853d9876bb0a5dc04636Mathias Agopian break; 258b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam default: 259b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam return BAD_VALUE; 260b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam } 261b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam outValue[0] = value; 262b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam return NO_ERROR; 263b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam} 264b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam 2656b091c53000c843211c218ce40287a7edca9bc63Daniel Lamstatus_t BufferQueue::requestBuffer(int slot, sp<GraphicBuffer>* buf) { 2661c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis ATRACE_CALL(); 2676b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGV("requestBuffer: slot=%d", slot); 2686b091c53000c843211c218ce40287a7edca9bc63Daniel Lam Mutex::Autolock lock(mMutex); 2696b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mAbandoned) { 2706b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("requestBuffer: SurfaceTexture has been abandoned!"); 2716b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return NO_INIT; 2726b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 2736b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (slot < 0 || mBufferCount <= slot) { 2746b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("requestBuffer: slot index out of range [0, %d]: %d", 2756b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mBufferCount, slot); 2766b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return BAD_VALUE; 2776b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 2786b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[slot].mRequestBufferCalled = true; 2796b091c53000c843211c218ce40287a7edca9bc63Daniel Lam *buf = mSlots[slot].mGraphicBuffer; 2806b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return NO_ERROR; 2816b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 2826b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 2836b091c53000c843211c218ce40287a7edca9bc63Daniel Lamstatus_t BufferQueue::dequeueBuffer(int *outBuf, uint32_t w, uint32_t h, 2846b091c53000c843211c218ce40287a7edca9bc63Daniel Lam uint32_t format, uint32_t usage) { 2851c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis ATRACE_CALL(); 2866b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGV("dequeueBuffer: w=%d h=%d fmt=%#x usage=%#x", w, h, format, usage); 2876b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 2886b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if ((w && !h) || (!w && h)) { 2896b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("dequeueBuffer: invalid size: w=%u, h=%u", w, h); 2906b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return BAD_VALUE; 2916b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 2926b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 2936b091c53000c843211c218ce40287a7edca9bc63Daniel Lam status_t returnFlags(OK); 2946b091c53000c843211c218ce40287a7edca9bc63Daniel Lam EGLDisplay dpy = EGL_NO_DISPLAY; 2956b091c53000c843211c218ce40287a7edca9bc63Daniel Lam EGLSyncKHR fence = EGL_NO_SYNC_KHR; 2966b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 2976b091c53000c843211c218ce40287a7edca9bc63Daniel Lam { // Scope for the lock 2986b091c53000c843211c218ce40287a7edca9bc63Daniel Lam Mutex::Autolock lock(mMutex); 2996b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 300b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam if (format == 0) { 301b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam format = mDefaultBufferFormat; 302b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam } 303b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam // turn on usage bits the consumer requested 304b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam usage |= mConsumerUsageBits; 305b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam 3066b091c53000c843211c218ce40287a7edca9bc63Daniel Lam int found = -1; 3076b091c53000c843211c218ce40287a7edca9bc63Daniel Lam int foundSync = -1; 3086b091c53000c843211c218ce40287a7edca9bc63Daniel Lam int dequeuedCount = 0; 3096b091c53000c843211c218ce40287a7edca9bc63Daniel Lam bool tryAgain = true; 3106b091c53000c843211c218ce40287a7edca9bc63Daniel Lam while (tryAgain) { 3116b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mAbandoned) { 3126b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("dequeueBuffer: SurfaceTexture has been abandoned!"); 3136b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return NO_INIT; 3146b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 3156b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 3166b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // We need to wait for the FIFO to drain if the number of buffer 3176b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // needs to change. 3186b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // 3196b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // The condition "number of buffers needs to change" is true if 3206b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // - the client doesn't care about how many buffers there are 3216b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // - AND the actual number of buffer is different from what was 3226b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // set in the last setBufferCountServer() 3236b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // - OR - 3246b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // setBufferCountServer() was set to a value incompatible with 3256b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // the synchronization mode (for instance because the sync mode 3266b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // changed since) 3276b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // 3286b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // As long as this condition is true AND the FIFO is not empty, we 3296b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // wait on mDequeueCondition. 3306b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 3316b091c53000c843211c218ce40287a7edca9bc63Daniel Lam const int minBufferCountNeeded = mSynchronousMode ? 332abe61bfda4938abd932465e27c29ba9e41aea606Daniel Lam mMinSyncBufferSlots : mMinAsyncBufferSlots; 3336b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 3346b091c53000c843211c218ce40287a7edca9bc63Daniel Lam const bool numberOfBuffersNeedsToChange = !mClientBufferCount && 3356b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ((mServerBufferCount != mBufferCount) || 3366b091c53000c843211c218ce40287a7edca9bc63Daniel Lam (mServerBufferCount < minBufferCountNeeded)); 3376b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 3386b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (!mQueue.isEmpty() && numberOfBuffersNeedsToChange) { 3396b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // wait for the FIFO to drain 3406b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mDequeueCondition.wait(mMutex); 3416b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // NOTE: we continue here because we need to reevaluate our 3426b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // whole state (eg: we could be abandoned or disconnected) 3436b091c53000c843211c218ce40287a7edca9bc63Daniel Lam continue; 3446b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 3456b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 3466b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (numberOfBuffersNeedsToChange) { 3476b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // here we're guaranteed that mQueue is empty 3486b091c53000c843211c218ce40287a7edca9bc63Daniel Lam freeAllBuffersLocked(); 3496b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mBufferCount = mServerBufferCount; 3506b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mBufferCount < minBufferCountNeeded) 3516b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mBufferCount = minBufferCountNeeded; 352eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mBufferHasBeenQueued = false; 3536b091c53000c843211c218ce40287a7edca9bc63Daniel Lam returnFlags |= ISurfaceTexture::RELEASE_ALL_BUFFERS; 3546b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 3556b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 3566b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // look for a free buffer to give to the client 3576b091c53000c843211c218ce40287a7edca9bc63Daniel Lam found = INVALID_BUFFER_SLOT; 3586b091c53000c843211c218ce40287a7edca9bc63Daniel Lam foundSync = INVALID_BUFFER_SLOT; 3596b091c53000c843211c218ce40287a7edca9bc63Daniel Lam dequeuedCount = 0; 3606b091c53000c843211c218ce40287a7edca9bc63Daniel Lam for (int i = 0; i < mBufferCount; i++) { 3616b091c53000c843211c218ce40287a7edca9bc63Daniel Lam const int state = mSlots[i].mBufferState; 3626b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (state == BufferSlot::DEQUEUED) { 3636b091c53000c843211c218ce40287a7edca9bc63Daniel Lam dequeuedCount++; 3646b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 3656b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 366eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam // this logic used to be if (FLAG_ALLOW_DEQUEUE_CURRENT_BUFFER) 367eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam // but dequeuing the current buffer is disabled. 368eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam if (false) { 369eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam // This functionality has been temporarily removed so 370eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam // BufferQueue and SurfaceTexture can be refactored into 371eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam // separate objects 3726b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } else { 3736b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (state == BufferSlot::FREE) { 3746b091c53000c843211c218ce40287a7edca9bc63Daniel Lam /* We return the oldest of the free buffers to avoid 3756b091c53000c843211c218ce40287a7edca9bc63Daniel Lam * stalling the producer if possible. This is because 3766b091c53000c843211c218ce40287a7edca9bc63Daniel Lam * the consumer may still have pending reads of the 3776b091c53000c843211c218ce40287a7edca9bc63Daniel Lam * buffers in flight. 3786b091c53000c843211c218ce40287a7edca9bc63Daniel Lam */ 3796b091c53000c843211c218ce40287a7edca9bc63Daniel Lam bool isOlder = mSlots[i].mFrameNumber < 3806b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[found].mFrameNumber; 3816b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (found < 0 || isOlder) { 3826b091c53000c843211c218ce40287a7edca9bc63Daniel Lam foundSync = i; 3836b091c53000c843211c218ce40287a7edca9bc63Daniel Lam found = i; 3846b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 3856b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 3866b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 3876b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 3886b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 3896b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // clients are not allowed to dequeue more than one buffer 3906b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // if they didn't set a buffer count. 3916b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (!mClientBufferCount && dequeuedCount) { 3926b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("dequeueBuffer: can't dequeue multiple buffers without " 3936b091c53000c843211c218ce40287a7edca9bc63Daniel Lam "setting the buffer count"); 3946b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return -EINVAL; 3956b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 3966b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 3976b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // See whether a buffer has been queued since the last 3986b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // setBufferCount so we know whether to perform the 399abe61bfda4938abd932465e27c29ba9e41aea606Daniel Lam // mMinUndequeuedBuffers check below. 400eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam if (mBufferHasBeenQueued) { 4016b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // make sure the client is not trying to dequeue more buffers 4026b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // than allowed. 4036b091c53000c843211c218ce40287a7edca9bc63Daniel Lam const int avail = mBufferCount - (dequeuedCount+1); 404abe61bfda4938abd932465e27c29ba9e41aea606Daniel Lam if (avail < (mMinUndequeuedBuffers-int(mSynchronousMode))) { 405abe61bfda4938abd932465e27c29ba9e41aea606Daniel Lam ST_LOGE("dequeueBuffer: mMinUndequeuedBuffers=%d exceeded " 4066b091c53000c843211c218ce40287a7edca9bc63Daniel Lam "(dequeued=%d)", 407abe61bfda4938abd932465e27c29ba9e41aea606Daniel Lam mMinUndequeuedBuffers-int(mSynchronousMode), 4086b091c53000c843211c218ce40287a7edca9bc63Daniel Lam dequeuedCount); 4096b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return -EBUSY; 4106b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 4116b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 4126b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 413c2c1f2f24cd70bdcf1958157bab38467bf0fdc71Daniel Lam // if no buffer is found, wait for a buffer to be released 414c2c1f2f24cd70bdcf1958157bab38467bf0fdc71Daniel Lam tryAgain = found == INVALID_BUFFER_SLOT; 4156b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (tryAgain) { 4166b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mDequeueCondition.wait(mMutex); 4176b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 4186b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 4196b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 4206b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 4216b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (found == INVALID_BUFFER_SLOT) { 4226b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // This should not happen. 4236b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("dequeueBuffer: no available buffer slots"); 4246b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return -EBUSY; 4256b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 4266b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 4276b091c53000c843211c218ce40287a7edca9bc63Daniel Lam const int buf = found; 4286b091c53000c843211c218ce40287a7edca9bc63Daniel Lam *outBuf = found; 4296b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 430546ed2d7d98ce4f1415647913a231a6b4fc6ca66Mathias Agopian ATRACE_BUFFER_INDEX(buf); 431546ed2d7d98ce4f1415647913a231a6b4fc6ca66Mathias Agopian 4326b091c53000c843211c218ce40287a7edca9bc63Daniel Lam const bool useDefaultSize = !w && !h; 4336b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (useDefaultSize) { 4346b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // use the default size 4356b091c53000c843211c218ce40287a7edca9bc63Daniel Lam w = mDefaultWidth; 4366b091c53000c843211c218ce40287a7edca9bc63Daniel Lam h = mDefaultHeight; 4376b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 4386b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 4396b091c53000c843211c218ce40287a7edca9bc63Daniel Lam const bool updateFormat = (format != 0); 4406b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (!updateFormat) { 4416b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // keep the current (or default) format 4426b091c53000c843211c218ce40287a7edca9bc63Daniel Lam format = mPixelFormat; 4436b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 4446b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 4456b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // buffer is now in DEQUEUED (but can also be current at the same time, 4466b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // if we're in synchronous mode) 4476b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[buf].mBufferState = BufferSlot::DEQUEUED; 4486b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 4496b091c53000c843211c218ce40287a7edca9bc63Daniel Lam const sp<GraphicBuffer>& buffer(mSlots[buf].mGraphicBuffer); 4506b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if ((buffer == NULL) || 4516b091c53000c843211c218ce40287a7edca9bc63Daniel Lam (uint32_t(buffer->width) != w) || 4526b091c53000c843211c218ce40287a7edca9bc63Daniel Lam (uint32_t(buffer->height) != h) || 4536b091c53000c843211c218ce40287a7edca9bc63Daniel Lam (uint32_t(buffer->format) != format) || 4546b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ((uint32_t(buffer->usage) & usage) != usage)) 4556b091c53000c843211c218ce40287a7edca9bc63Daniel Lam { 4566b091c53000c843211c218ce40287a7edca9bc63Daniel Lam status_t error; 4576b091c53000c843211c218ce40287a7edca9bc63Daniel Lam sp<GraphicBuffer> graphicBuffer( 4586b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mGraphicBufferAlloc->createGraphicBuffer( 4596b091c53000c843211c218ce40287a7edca9bc63Daniel Lam w, h, format, usage, &error)); 4606b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (graphicBuffer == 0) { 4616b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("dequeueBuffer: SurfaceComposer::createGraphicBuffer " 4626b091c53000c843211c218ce40287a7edca9bc63Daniel Lam "failed"); 4636b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return error; 4646b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 4656b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (updateFormat) { 4666b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mPixelFormat = format; 4676b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 468eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 469eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mSlots[buf].mAcquireCalled = false; 4706b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[buf].mGraphicBuffer = graphicBuffer; 4716b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[buf].mRequestBufferCalled = false; 4726b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[buf].mFence = EGL_NO_SYNC_KHR; 473eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mSlots[buf].mEglDisplay = EGL_NO_DISPLAY; 474eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 4756b091c53000c843211c218ce40287a7edca9bc63Daniel Lam returnFlags |= ISurfaceTexture::BUFFER_NEEDS_REALLOCATION; 4766b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 4776b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 4786b091c53000c843211c218ce40287a7edca9bc63Daniel Lam dpy = mSlots[buf].mEglDisplay; 4796b091c53000c843211c218ce40287a7edca9bc63Daniel Lam fence = mSlots[buf].mFence; 4806b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[buf].mFence = EGL_NO_SYNC_KHR; 481eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam } // end lock scope 4826b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 4836b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (fence != EGL_NO_SYNC_KHR) { 4846b091c53000c843211c218ce40287a7edca9bc63Daniel Lam EGLint result = eglClientWaitSyncKHR(dpy, fence, 0, 1000000000); 4856b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // If something goes wrong, log the error, but return the buffer without 4866b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // synchronizing access to it. It's too late at this point to abort the 4876b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // dequeue operation. 4886b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (result == EGL_FALSE) { 4896b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ALOGE("dequeueBuffer: error waiting for fence: %#x", eglGetError()); 4906b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } else if (result == EGL_TIMEOUT_EXPIRED_KHR) { 4916b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ALOGE("dequeueBuffer: timeout waiting for fence"); 4926b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 4936b091c53000c843211c218ce40287a7edca9bc63Daniel Lam eglDestroySyncKHR(dpy, fence); 4946b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 4956b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 4966b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGV("dequeueBuffer: returning slot=%d buf=%p flags=%#x", *outBuf, 4976b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[*outBuf].mGraphicBuffer->handle, returnFlags); 4986b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 4996b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return returnFlags; 5006b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 5016b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 5026b091c53000c843211c218ce40287a7edca9bc63Daniel Lamstatus_t BufferQueue::setSynchronousMode(bool enabled) { 5031c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis ATRACE_CALL(); 5046b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGV("setSynchronousMode: enabled=%d", enabled); 5056b091c53000c843211c218ce40287a7edca9bc63Daniel Lam Mutex::Autolock lock(mMutex); 5066b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 5076b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mAbandoned) { 5086b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("setSynchronousMode: SurfaceTexture has been abandoned!"); 5096b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return NO_INIT; 5106b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 5116b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 5126b091c53000c843211c218ce40287a7edca9bc63Daniel Lam status_t err = OK; 5136b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (!mAllowSynchronousMode && enabled) 5146b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return err; 5156b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 5166b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (!enabled) { 5176b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // going to asynchronous mode, drain the queue 5186b091c53000c843211c218ce40287a7edca9bc63Daniel Lam err = drainQueueLocked(); 5196b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (err != NO_ERROR) 5206b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return err; 5216b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 5226b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 5236b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mSynchronousMode != enabled) { 5246b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // - if we're going to asynchronous mode, the queue is guaranteed to be 5256b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // empty here 5266b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // - if the client set the number of buffers, we're guaranteed that 5276b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // we have at least 3 (because we don't allow less) 5286b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSynchronousMode = enabled; 52974ff8c23f44f1546d0c7004302f4c7ba726ff4c0Dave Burke mDequeueCondition.broadcast(); 5306b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 5316b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return err; 5326b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 5336b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 534f0bc2f1d8d37977bd3aef3d3326a70e9e69d4246Mathias Agopianstatus_t BufferQueue::queueBuffer(int buf, 535f0bc2f1d8d37977bd3aef3d3326a70e9e69d4246Mathias Agopian const QueueBufferInput& input, QueueBufferOutput* output) { 5361c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis ATRACE_CALL(); 537546ed2d7d98ce4f1415647913a231a6b4fc6ca66Mathias Agopian ATRACE_BUFFER_INDEX(buf); 538546ed2d7d98ce4f1415647913a231a6b4fc6ca66Mathias Agopian 539efc7ab6dcea8c22ddd7c0259ef4ab4bbf1e93044Jamie Gennis Rect crop; 540efc7ab6dcea8c22ddd7c0259ef4ab4bbf1e93044Jamie Gennis uint32_t transform; 541efc7ab6dcea8c22ddd7c0259ef4ab4bbf1e93044Jamie Gennis int scalingMode; 542efc7ab6dcea8c22ddd7c0259ef4ab4bbf1e93044Jamie Gennis int64_t timestamp; 543efc7ab6dcea8c22ddd7c0259ef4ab4bbf1e93044Jamie Gennis Rect activeRect; 544efc7ab6dcea8c22ddd7c0259ef4ab4bbf1e93044Jamie Gennis 545efc7ab6dcea8c22ddd7c0259ef4ab4bbf1e93044Jamie Gennis input.deflate(×tamp, &crop, &scalingMode, &transform, 546efc7ab6dcea8c22ddd7c0259ef4ab4bbf1e93044Jamie Gennis &activeRect); 547efc7ab6dcea8c22ddd7c0259ef4ab4bbf1e93044Jamie Gennis 548efc7ab6dcea8c22ddd7c0259ef4ab4bbf1e93044Jamie Gennis ST_LOGV("queueBuffer: slot=%d time=%lld crop=[%d,%d,%d,%d] " 549efc7ab6dcea8c22ddd7c0259ef4ab4bbf1e93044Jamie Gennis "active=[%d,%d,%d,%d]", buf, timestamp, crop.left, crop.top, 550efc7ab6dcea8c22ddd7c0259ef4ab4bbf1e93044Jamie Gennis crop.right, crop.bottom, activeRect.left, activeRect.top, 551efc7ab6dcea8c22ddd7c0259ef4ab4bbf1e93044Jamie Gennis activeRect.right, activeRect.bottom); 5526b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 553fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis sp<ConsumerListener> listener; 5546b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 5556b091c53000c843211c218ce40287a7edca9bc63Daniel Lam { // scope for the lock 5566b091c53000c843211c218ce40287a7edca9bc63Daniel Lam Mutex::Autolock lock(mMutex); 5576b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mAbandoned) { 5586b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("queueBuffer: SurfaceTexture has been abandoned!"); 5596b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return NO_INIT; 5606b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 5616b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (buf < 0 || buf >= mBufferCount) { 5626b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("queueBuffer: slot index out of range [0, %d]: %d", 5636b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mBufferCount, buf); 5646b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return -EINVAL; 5656b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } else if (mSlots[buf].mBufferState != BufferSlot::DEQUEUED) { 5666b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("queueBuffer: slot %d is not owned by the client " 5676b091c53000c843211c218ce40287a7edca9bc63Daniel Lam "(state=%d)", buf, mSlots[buf].mBufferState); 5686b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return -EINVAL; 5696b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } else if (!mSlots[buf].mRequestBufferCalled) { 5706b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("queueBuffer: slot %d was enqueued without requesting a " 5716b091c53000c843211c218ce40287a7edca9bc63Daniel Lam "buffer", buf); 5726b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return -EINVAL; 5736b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 5746b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 5756b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mSynchronousMode) { 5766b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // In synchronous mode we queue all buffers in a FIFO. 5776b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mQueue.push_back(buf); 5786b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 5796b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // Synchronous mode always signals that an additional frame should 5806b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // be consumed. 581fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis listener = mConsumerListener; 5826b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } else { 5836b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // In asynchronous mode we only keep the most recent buffer. 5846b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mQueue.empty()) { 5856b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mQueue.push_back(buf); 5866b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 5876b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // Asynchronous mode only signals that a frame should be 5886b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // consumed if no previous frame was pending. If a frame were 5896b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // pending then the consumer would have already been notified. 590fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis listener = mConsumerListener; 5916b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } else { 5926b091c53000c843211c218ce40287a7edca9bc63Daniel Lam Fifo::iterator front(mQueue.begin()); 5936b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // buffer currently queued is freed 5946b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[*front].mBufferState = BufferSlot::FREE; 5956b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // and we record the new buffer index in the queued list 5966b091c53000c843211c218ce40287a7edca9bc63Daniel Lam *front = buf; 5976b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 5986b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 5996b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 600efc7ab6dcea8c22ddd7c0259ef4ab4bbf1e93044Jamie Gennis mSlots[buf].mTimestamp = timestamp; 601efc7ab6dcea8c22ddd7c0259ef4ab4bbf1e93044Jamie Gennis mSlots[buf].mCrop = crop; 602efc7ab6dcea8c22ddd7c0259ef4ab4bbf1e93044Jamie Gennis mSlots[buf].mTransform = transform; 603efc7ab6dcea8c22ddd7c0259ef4ab4bbf1e93044Jamie Gennis mSlots[buf].mActiveRect = activeRect; 604f0bc2f1d8d37977bd3aef3d3326a70e9e69d4246Mathias Agopian 605851ef8f1bfbb164d61b1528a529a464f0a60dbafMathias Agopian switch (scalingMode) { 606851ef8f1bfbb164d61b1528a529a464f0a60dbafMathias Agopian case NATIVE_WINDOW_SCALING_MODE_FREEZE: 607851ef8f1bfbb164d61b1528a529a464f0a60dbafMathias Agopian case NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW: 608016c8cbce4dde21f2703b9865f52d16b8d5d5ae2Daniel Lam case NATIVE_WINDOW_SCALING_MODE_SCALE_CROP: 609851ef8f1bfbb164d61b1528a529a464f0a60dbafMathias Agopian break; 610851ef8f1bfbb164d61b1528a529a464f0a60dbafMathias Agopian default: 611851ef8f1bfbb164d61b1528a529a464f0a60dbafMathias Agopian ST_LOGE("unknown scaling mode: %d (ignoring)", scalingMode); 612851ef8f1bfbb164d61b1528a529a464f0a60dbafMathias Agopian scalingMode = mSlots[buf].mScalingMode; 613851ef8f1bfbb164d61b1528a529a464f0a60dbafMathias Agopian break; 614851ef8f1bfbb164d61b1528a529a464f0a60dbafMathias Agopian } 615851ef8f1bfbb164d61b1528a529a464f0a60dbafMathias Agopian 6166b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[buf].mBufferState = BufferSlot::QUEUED; 617851ef8f1bfbb164d61b1528a529a464f0a60dbafMathias Agopian mSlots[buf].mScalingMode = scalingMode; 6186b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mFrameCounter++; 6196b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[buf].mFrameNumber = mFrameCounter; 6206b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 621eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mBufferHasBeenQueued = true; 62274ff8c23f44f1546d0c7004302f4c7ba726ff4c0Dave Burke mDequeueCondition.broadcast(); 6236b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 6242488b20aec097accb20a853d9876bb0a5dc04636Mathias Agopian output->inflate(mDefaultWidth, mDefaultHeight, mTransformHint, 6252488b20aec097accb20a853d9876bb0a5dc04636Mathias Agopian mQueue.size()); 6261c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis 6271c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis ATRACE_INT(mConsumerName.string(), mQueue.size()); 6286b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } // scope for the lock 6296b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 6306b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // call back without lock held 6316b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (listener != 0) { 6326b091c53000c843211c218ce40287a7edca9bc63Daniel Lam listener->onFrameAvailable(); 6336b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 6346b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return OK; 6356b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 6366b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 6376b091c53000c843211c218ce40287a7edca9bc63Daniel Lamvoid BufferQueue::cancelBuffer(int buf) { 6381c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis ATRACE_CALL(); 6396b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGV("cancelBuffer: slot=%d", buf); 6406b091c53000c843211c218ce40287a7edca9bc63Daniel Lam Mutex::Autolock lock(mMutex); 6416b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 6426b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mAbandoned) { 6436b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGW("cancelBuffer: BufferQueue has been abandoned!"); 6446b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return; 6456b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 6466b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 6476b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (buf < 0 || buf >= mBufferCount) { 6486b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("cancelBuffer: slot index out of range [0, %d]: %d", 6496b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mBufferCount, buf); 6506b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return; 6516b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } else if (mSlots[buf].mBufferState != BufferSlot::DEQUEUED) { 6526b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("cancelBuffer: slot %d is not owned by the client (state=%d)", 6536b091c53000c843211c218ce40287a7edca9bc63Daniel Lam buf, mSlots[buf].mBufferState); 6546b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return; 6556b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 6566b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[buf].mBufferState = BufferSlot::FREE; 6576b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[buf].mFrameNumber = 0; 65874ff8c23f44f1546d0c7004302f4c7ba726ff4c0Dave Burke mDequeueCondition.broadcast(); 6596b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 6606b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 66124202f5676c32edeef6544cf36e06b9fc970dbdeMathias Agopianstatus_t BufferQueue::connect(int api, QueueBufferOutput* output) { 6621c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis ATRACE_CALL(); 6636b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGV("connect: api=%d", api); 6646b091c53000c843211c218ce40287a7edca9bc63Daniel Lam Mutex::Autolock lock(mMutex); 6656b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 6666b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mAbandoned) { 6676b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("connect: BufferQueue has been abandoned!"); 6686b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return NO_INIT; 6696b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 6706b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 671fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis if (mConsumerListener == NULL) { 672fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis ST_LOGE("connect: BufferQueue has no consumer!"); 673fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis return NO_INIT; 674fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis } 675fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 6766b091c53000c843211c218ce40287a7edca9bc63Daniel Lam int err = NO_ERROR; 6776b091c53000c843211c218ce40287a7edca9bc63Daniel Lam switch (api) { 6786b091c53000c843211c218ce40287a7edca9bc63Daniel Lam case NATIVE_WINDOW_API_EGL: 6796b091c53000c843211c218ce40287a7edca9bc63Daniel Lam case NATIVE_WINDOW_API_CPU: 6806b091c53000c843211c218ce40287a7edca9bc63Daniel Lam case NATIVE_WINDOW_API_MEDIA: 6816b091c53000c843211c218ce40287a7edca9bc63Daniel Lam case NATIVE_WINDOW_API_CAMERA: 6826b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mConnectedApi != NO_CONNECTED_API) { 6836b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("connect: already connected (cur=%d, req=%d)", 6846b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mConnectedApi, api); 6856b091c53000c843211c218ce40287a7edca9bc63Daniel Lam err = -EINVAL; 6866b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } else { 6876b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mConnectedApi = api; 6882488b20aec097accb20a853d9876bb0a5dc04636Mathias Agopian output->inflate(mDefaultWidth, mDefaultHeight, mTransformHint, 6892488b20aec097accb20a853d9876bb0a5dc04636Mathias Agopian mQueue.size()); 6906b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 6916b091c53000c843211c218ce40287a7edca9bc63Daniel Lam break; 6926b091c53000c843211c218ce40287a7edca9bc63Daniel Lam default: 6936b091c53000c843211c218ce40287a7edca9bc63Daniel Lam err = -EINVAL; 6946b091c53000c843211c218ce40287a7edca9bc63Daniel Lam break; 6956b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 696eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 697eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mBufferHasBeenQueued = false; 698eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 6996b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return err; 7006b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 7016b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 7026b091c53000c843211c218ce40287a7edca9bc63Daniel Lamstatus_t BufferQueue::disconnect(int api) { 7031c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis ATRACE_CALL(); 7046b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGV("disconnect: api=%d", api); 7056b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 7066b091c53000c843211c218ce40287a7edca9bc63Daniel Lam int err = NO_ERROR; 707fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis sp<ConsumerListener> listener; 708fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 709fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis { // Scope for the lock 710fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis Mutex::Autolock lock(mMutex); 711fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 712fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis if (mAbandoned) { 713fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis // it is not really an error to disconnect after the surface 714fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis // has been abandoned, it should just be a no-op. 715fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis return NO_ERROR; 716fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis } 717fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 718fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis switch (api) { 719fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis case NATIVE_WINDOW_API_EGL: 720fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis case NATIVE_WINDOW_API_CPU: 721fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis case NATIVE_WINDOW_API_MEDIA: 722fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis case NATIVE_WINDOW_API_CAMERA: 723fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis if (mConnectedApi == api) { 724fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis drainQueueAndFreeBuffersLocked(); 725fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis mConnectedApi = NO_CONNECTED_API; 726fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis mDequeueCondition.broadcast(); 727fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis listener = mConsumerListener; 728fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis } else { 729fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis ST_LOGE("disconnect: connected to another api (cur=%d, req=%d)", 730fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis mConnectedApi, api); 731fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis err = -EINVAL; 732fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis } 733fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis break; 734fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis default: 735fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis ST_LOGE("disconnect: unknown API %d", api); 7366b091c53000c843211c218ce40287a7edca9bc63Daniel Lam err = -EINVAL; 737fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis break; 738fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis } 7396b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 740fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 741fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis if (listener != NULL) { 742fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis listener->onBuffersReleased(); 743fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis } 744fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 7456b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return err; 7466b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 7476b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 748eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lamvoid BufferQueue::dump(String8& result) const 749eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam{ 750eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam char buffer[1024]; 751eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam BufferQueue::dump(result, "", buffer, 1024); 752eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam} 753eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 754eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lamvoid BufferQueue::dump(String8& result, const char* prefix, 755eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam char* buffer, size_t SIZE) const 756eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam{ 757eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam Mutex::Autolock _l(mMutex); 758eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 759eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam String8 fifo; 760eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam int fifoSize = 0; 761eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam Fifo::const_iterator i(mQueue.begin()); 762eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam while (i != mQueue.end()) { 763eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam snprintf(buffer, SIZE, "%02d ", *i++); 764eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam fifoSize++; 765eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam fifo.append(buffer); 766eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam } 767eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 768eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam snprintf(buffer, SIZE, 769eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam "%s-BufferQueue mBufferCount=%d, mSynchronousMode=%d, default-size=[%dx%d], " 770eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam "mPixelFormat=%d, FIFO(%d)={%s}\n", 771eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam prefix, mBufferCount, mSynchronousMode, mDefaultWidth, 772eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mDefaultHeight, mPixelFormat, fifoSize, fifo.string()); 773eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam result.append(buffer); 774eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 775eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 776eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam struct { 777eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam const char * operator()(int state) const { 778eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam switch (state) { 779eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam case BufferSlot::DEQUEUED: return "DEQUEUED"; 780eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam case BufferSlot::QUEUED: return "QUEUED"; 781eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam case BufferSlot::FREE: return "FREE"; 782eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam case BufferSlot::ACQUIRED: return "ACQUIRED"; 783eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam default: return "Unknown"; 784eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam } 785eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam } 786eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam } stateName; 787eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 788eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam for (int i=0 ; i<mBufferCount ; i++) { 789eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam const BufferSlot& slot(mSlots[i]); 790eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam snprintf(buffer, SIZE, 791eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam "%s%s[%02d] " 792eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam "state=%-8s, crop=[%d,%d,%d,%d], " 793eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam "transform=0x%02x, timestamp=%lld", 794eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam prefix, (slot.mBufferState == BufferSlot::ACQUIRED)?">":" ", i, 795eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam stateName(slot.mBufferState), 796eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam slot.mCrop.left, slot.mCrop.top, slot.mCrop.right, 797eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam slot.mCrop.bottom, slot.mTransform, slot.mTimestamp 798eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam ); 799eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam result.append(buffer); 800eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 801eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam const sp<GraphicBuffer>& buf(slot.mGraphicBuffer); 802eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam if (buf != NULL) { 803eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam snprintf(buffer, SIZE, 804eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam ", %p [%4ux%4u:%4u,%3X]", 805eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam buf->handle, buf->width, buf->height, buf->stride, 806eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam buf->format); 807eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam result.append(buffer); 808eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam } 809eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam result.append("\n"); 810eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam } 811eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam} 812eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 8136b091c53000c843211c218ce40287a7edca9bc63Daniel Lamvoid BufferQueue::freeBufferLocked(int i) { 8146b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[i].mGraphicBuffer = 0; 8159abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam if (mSlots[i].mBufferState == BufferSlot::ACQUIRED) { 8169abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam mSlots[i].mNeedsCleanupOnRelease = true; 8179abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam } 8186b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[i].mBufferState = BufferSlot::FREE; 8196b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[i].mFrameNumber = 0; 820eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mSlots[i].mAcquireCalled = false; 821eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 822eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam // destroy fence as BufferQueue now takes ownership 823eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam if (mSlots[i].mFence != EGL_NO_SYNC_KHR) { 824eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam eglDestroySyncKHR(mSlots[i].mEglDisplay, mSlots[i].mFence); 825eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mSlots[i].mFence = EGL_NO_SYNC_KHR; 8266b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 8276b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 8286b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 8296b091c53000c843211c218ce40287a7edca9bc63Daniel Lamvoid BufferQueue::freeAllBuffersLocked() { 8306b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ALOGW_IF(!mQueue.isEmpty(), 8316b091c53000c843211c218ce40287a7edca9bc63Daniel Lam "freeAllBuffersLocked called but mQueue is not empty"); 832eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mQueue.clear(); 833eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mBufferHasBeenQueued = false; 8346b091c53000c843211c218ce40287a7edca9bc63Daniel Lam for (int i = 0; i < NUM_BUFFER_SLOTS; i++) { 8356b091c53000c843211c218ce40287a7edca9bc63Daniel Lam freeBufferLocked(i); 8366b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 8376b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 8386b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 839fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennisstatus_t BufferQueue::acquireBuffer(BufferItem *buffer) { 840546ed2d7d98ce4f1415647913a231a6b4fc6ca66Mathias Agopian ATRACE_CALL(); 841eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam Mutex::Autolock _l(mMutex); 842eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam // check if queue is empty 843eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam // In asynchronous mode the list is guaranteed to be one buffer 844eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam // deep, while in synchronous mode we use the oldest buffer. 845eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam if (!mQueue.empty()) { 846eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam Fifo::iterator front(mQueue.begin()); 847eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam int buf = *front; 848eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 849546ed2d7d98ce4f1415647913a231a6b4fc6ca66Mathias Agopian ATRACE_BUFFER_INDEX(buf); 850546ed2d7d98ce4f1415647913a231a6b4fc6ca66Mathias Agopian 851eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam if (mSlots[buf].mAcquireCalled) { 852eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam buffer->mGraphicBuffer = NULL; 853fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis } else { 854eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam buffer->mGraphicBuffer = mSlots[buf].mGraphicBuffer; 855eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam } 856eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam buffer->mCrop = mSlots[buf].mCrop; 857eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam buffer->mTransform = mSlots[buf].mTransform; 858eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam buffer->mScalingMode = mSlots[buf].mScalingMode; 859eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam buffer->mFrameNumber = mSlots[buf].mFrameNumber; 8603fcee50ffaeb745819356e395408b4d7e3239c13Daniel Lam buffer->mTimestamp = mSlots[buf].mTimestamp; 861eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam buffer->mBuf = buf; 862efc7ab6dcea8c22ddd7c0259ef4ab4bbf1e93044Jamie Gennis buffer->mActiveRect = mSlots[buf].mActiveRect; 863eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mSlots[buf].mAcquireCalled = true; 864eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 865eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mSlots[buf].mBufferState = BufferSlot::ACQUIRED; 866eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mQueue.erase(front); 86774ff8c23f44f1546d0c7004302f4c7ba726ff4c0Dave Burke mDequeueCondition.broadcast(); 8681c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis 8691c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis ATRACE_INT(mConsumerName.string(), mQueue.size()); 870fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis } else { 871fbcda930dd8b2823cfeb160fd0131f5897b7522fDaniel Lam return NO_BUFFER_AVAILABLE; 872eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam } 873eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 874eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam return OK; 875eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam} 876eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 877eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lamstatus_t BufferQueue::releaseBuffer(int buf, EGLDisplay display, 878eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam EGLSyncKHR fence) { 879546ed2d7d98ce4f1415647913a231a6b4fc6ca66Mathias Agopian ATRACE_CALL(); 880546ed2d7d98ce4f1415647913a231a6b4fc6ca66Mathias Agopian ATRACE_BUFFER_INDEX(buf); 881546ed2d7d98ce4f1415647913a231a6b4fc6ca66Mathias Agopian 882eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam Mutex::Autolock _l(mMutex); 883eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 884eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam if (buf == INVALID_BUFFER_SLOT) { 885eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam return -EINVAL; 886eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam } 887eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 888eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mSlots[buf].mEglDisplay = display; 889eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mSlots[buf].mFence = fence; 890eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 8919abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam // The buffer can now only be released if its in the acquired state 8929abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam if (mSlots[buf].mBufferState == BufferSlot::ACQUIRED) { 893eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mSlots[buf].mBufferState = BufferSlot::FREE; 8949abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam } else if (mSlots[buf].mNeedsCleanupOnRelease) { 8959abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam ST_LOGV("releasing a stale buf %d its state was %d", buf, mSlots[buf].mBufferState); 8969abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam mSlots[buf].mNeedsCleanupOnRelease = false; 8979abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam return STALE_BUFFER_SLOT; 8989abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam } else { 8999abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam ST_LOGE("attempted to release buf %d but its state was %d", buf, mSlots[buf].mBufferState); 9009abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam return -EINVAL; 901eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam } 902eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 9039abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam mDequeueCondition.broadcast(); 904eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam return OK; 905eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam} 906eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 907fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennisstatus_t BufferQueue::consumerConnect(const sp<ConsumerListener>& consumerListener) { 908fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis ST_LOGV("consumerConnect"); 909fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis Mutex::Autolock lock(mMutex); 910fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 911fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis if (mAbandoned) { 912fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis ST_LOGE("consumerConnect: BufferQueue has been abandoned!"); 913fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis return NO_INIT; 914fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis } 915fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 916fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis mConsumerListener = consumerListener; 917fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 918fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis return OK; 919fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis} 920fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 921eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lamstatus_t BufferQueue::consumerDisconnect() { 922fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis ST_LOGV("consumerDisconnect"); 923eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam Mutex::Autolock lock(mMutex); 924b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam 925fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis if (mConsumerListener == NULL) { 926fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis ST_LOGE("consumerDisconnect: No consumer is connected!"); 927fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis return -EINVAL; 928fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis } 929b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam 930fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis mAbandoned = true; 931fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis mConsumerListener = NULL; 932b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam mQueue.clear(); 933eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam freeAllBuffersLocked(); 93474ff8c23f44f1546d0c7004302f4c7ba726ff4c0Dave Burke mDequeueCondition.broadcast(); 935eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam return OK; 936eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam} 937eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 938fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennisstatus_t BufferQueue::getReleasedBuffers(uint32_t* slotMask) { 939fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis ST_LOGV("getReleasedBuffers"); 940fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis Mutex::Autolock lock(mMutex); 941fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 942fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis if (mAbandoned) { 943fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis ST_LOGE("getReleasedBuffers: BufferQueue has been abandoned!"); 944fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis return NO_INIT; 945fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis } 946fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 947fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis uint32_t mask = 0; 948fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis for (int i = 0; i < NUM_BUFFER_SLOTS; i++) { 949fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis if (!mSlots[i].mAcquireCalled) { 950fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis mask |= 1 << i; 951fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis } 952fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis } 953fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis *slotMask = mask; 954fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 955fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis ST_LOGV("getReleasedBuffers: returning mask %#x", mask); 956fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis return NO_ERROR; 957fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis} 958fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 959eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lamstatus_t BufferQueue::setDefaultBufferSize(uint32_t w, uint32_t h) 960eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam{ 961eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam ST_LOGV("setDefaultBufferSize: w=%d, h=%d", w, h); 962eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam if (!w || !h) { 963eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam ST_LOGE("setDefaultBufferSize: dimensions cannot be 0 (w=%d, h=%d)", 964eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam w, h); 965eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam return BAD_VALUE; 966eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam } 967eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 968eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam Mutex::Autolock lock(mMutex); 969eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mDefaultWidth = w; 970eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mDefaultHeight = h; 971eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam return OK; 972eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam} 973eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 974eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lamstatus_t BufferQueue::setBufferCountServer(int bufferCount) { 9751c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis ATRACE_CALL(); 976eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam Mutex::Autolock lock(mMutex); 977eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam return setBufferCountServerLocked(bufferCount); 978eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam} 979eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 9806b091c53000c843211c218ce40287a7edca9bc63Daniel Lamvoid BufferQueue::freeAllBuffersExceptHeadLocked() { 9816b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ALOGW_IF(!mQueue.isEmpty(), 9826b091c53000c843211c218ce40287a7edca9bc63Daniel Lam "freeAllBuffersExceptCurrentLocked called but mQueue is not empty"); 9836b091c53000c843211c218ce40287a7edca9bc63Daniel Lam int head = -1; 9846b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (!mQueue.empty()) { 9856b091c53000c843211c218ce40287a7edca9bc63Daniel Lam Fifo::iterator front(mQueue.begin()); 9866b091c53000c843211c218ce40287a7edca9bc63Daniel Lam head = *front; 9876b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 988eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mBufferHasBeenQueued = false; 9896b091c53000c843211c218ce40287a7edca9bc63Daniel Lam for (int i = 0; i < NUM_BUFFER_SLOTS; i++) { 9906b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (i != head) { 9916b091c53000c843211c218ce40287a7edca9bc63Daniel Lam freeBufferLocked(i); 9926b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 9936b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 9946b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 9956b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 9966b091c53000c843211c218ce40287a7edca9bc63Daniel Lamstatus_t BufferQueue::drainQueueLocked() { 9976b091c53000c843211c218ce40287a7edca9bc63Daniel Lam while (mSynchronousMode && !mQueue.isEmpty()) { 9986b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mDequeueCondition.wait(mMutex); 9996b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mAbandoned) { 10006b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("drainQueueLocked: BufferQueue has been abandoned!"); 10016b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return NO_INIT; 10026b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 10036b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mConnectedApi == NO_CONNECTED_API) { 10046b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("drainQueueLocked: BufferQueue is not connected!"); 10056b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return NO_INIT; 10066b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 10076b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 10086b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return NO_ERROR; 10096b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 10106b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 10116b091c53000c843211c218ce40287a7edca9bc63Daniel Lamstatus_t BufferQueue::drainQueueAndFreeBuffersLocked() { 10126b091c53000c843211c218ce40287a7edca9bc63Daniel Lam status_t err = drainQueueLocked(); 10136b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (err == NO_ERROR) { 10146b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mSynchronousMode) { 10156b091c53000c843211c218ce40287a7edca9bc63Daniel Lam freeAllBuffersLocked(); 10166b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } else { 10176b091c53000c843211c218ce40287a7edca9bc63Daniel Lam freeAllBuffersExceptHeadLocked(); 10186b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 10196b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 10206b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return err; 10216b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 10226b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 1023fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie GennisBufferQueue::ProxyConsumerListener::ProxyConsumerListener( 1024fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis const wp<BufferQueue::ConsumerListener>& consumerListener): 1025fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis mConsumerListener(consumerListener) {} 1026fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 1027fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie GennisBufferQueue::ProxyConsumerListener::~ProxyConsumerListener() {} 1028fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 1029fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennisvoid BufferQueue::ProxyConsumerListener::onFrameAvailable() { 1030fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis sp<BufferQueue::ConsumerListener> listener(mConsumerListener.promote()); 1031fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis if (listener != NULL) { 1032fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis listener->onFrameAvailable(); 1033fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis } 1034fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis} 1035fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 1036fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennisvoid BufferQueue::ProxyConsumerListener::onBuffersReleased() { 1037fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis sp<BufferQueue::ConsumerListener> listener(mConsumerListener.promote()); 1038fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis if (listener != NULL) { 1039fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis listener->onBuffersReleased(); 1040fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis } 1041fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis} 1042fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 10436b091c53000c843211c218ce40287a7edca9bc63Daniel Lam}; // namespace android 1044