BufferQueue.cpp revision b42b1ac1587aebda5e2f334d95b620271fafba4e
16b091c53000c843211c218ce40287a7edca9bc63Daniel Lam/* 26b091c53000c843211c218ce40287a7edca9bc63Daniel Lam * Copyright (C) 2012 The Android Open Source Project 36b091c53000c843211c218ce40287a7edca9bc63Daniel Lam * 46b091c53000c843211c218ce40287a7edca9bc63Daniel Lam * Licensed under the Apache License, Version 2.0 (the "License"); 56b091c53000c843211c218ce40287a7edca9bc63Daniel Lam * you may not use this file except in compliance with the License. 66b091c53000c843211c218ce40287a7edca9bc63Daniel Lam * You may obtain a copy of the License at 76b091c53000c843211c218ce40287a7edca9bc63Daniel Lam * 86b091c53000c843211c218ce40287a7edca9bc63Daniel Lam * http://www.apache.org/licenses/LICENSE-2.0 96b091c53000c843211c218ce40287a7edca9bc63Daniel Lam * 106b091c53000c843211c218ce40287a7edca9bc63Daniel Lam * Unless required by applicable law or agreed to in writing, software 116b091c53000c843211c218ce40287a7edca9bc63Daniel Lam * distributed under the License is distributed on an "AS IS" BASIS, 126b091c53000c843211c218ce40287a7edca9bc63Daniel Lam * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 136b091c53000c843211c218ce40287a7edca9bc63Daniel Lam * See the License for the specific language governing permissions and 146b091c53000c843211c218ce40287a7edca9bc63Daniel Lam * limitations under the License. 156b091c53000c843211c218ce40287a7edca9bc63Daniel Lam */ 166b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 176b091c53000c843211c218ce40287a7edca9bc63Daniel Lam#define LOG_TAG "BufferQueue" 181c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis#define ATRACE_TAG ATRACE_TAG_GRAPHICS 19fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis//#define LOG_NDEBUG 0 206b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 216b091c53000c843211c218ce40287a7edca9bc63Daniel Lam#define GL_GLEXT_PROTOTYPES 226b091c53000c843211c218ce40287a7edca9bc63Daniel Lam#define EGL_EGLEXT_PROTOTYPES 236b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 246b091c53000c843211c218ce40287a7edca9bc63Daniel Lam#include <EGL/egl.h> 256b091c53000c843211c218ce40287a7edca9bc63Daniel Lam#include <EGL/eglext.h> 266b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 276b091c53000c843211c218ce40287a7edca9bc63Daniel Lam#include <gui/BufferQueue.h> 2890ac799241f077a7b7e6c1875fd933864c8dd2a7Mathias Agopian#include <gui/ISurfaceComposer.h> 296b091c53000c843211c218ce40287a7edca9bc63Daniel Lam#include <private/gui/ComposerService.h> 306b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 316b091c53000c843211c218ce40287a7edca9bc63Daniel Lam#include <utils/Log.h> 32eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam#include <gui/SurfaceTexture.h> 331c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis#include <utils/Trace.h> 346b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 356b091c53000c843211c218ce40287a7edca9bc63Daniel Lam// This compile option causes SurfaceTexture to return the buffer that is currently 366b091c53000c843211c218ce40287a7edca9bc63Daniel Lam// attached to the GL texture from dequeueBuffer when no other buffers are 376b091c53000c843211c218ce40287a7edca9bc63Daniel Lam// available. It requires the drivers (Gralloc, GL, OMX IL, and Camera) to do 386b091c53000c843211c218ce40287a7edca9bc63Daniel Lam// implicit cross-process synchronization to prevent the buffer from being 396b091c53000c843211c218ce40287a7edca9bc63Daniel Lam// written to before the buffer has (a) been detached from the GL texture and 406b091c53000c843211c218ce40287a7edca9bc63Daniel Lam// (b) all GL reads from the buffer have completed. 41eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 42eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam// During refactoring, do not support dequeuing the current buffer 43eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam#undef ALLOW_DEQUEUE_CURRENT_BUFFER 44eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 456b091c53000c843211c218ce40287a7edca9bc63Daniel Lam#ifdef ALLOW_DEQUEUE_CURRENT_BUFFER 466b091c53000c843211c218ce40287a7edca9bc63Daniel Lam#define FLAG_ALLOW_DEQUEUE_CURRENT_BUFFER true 476b091c53000c843211c218ce40287a7edca9bc63Daniel Lam#warning "ALLOW_DEQUEUE_CURRENT_BUFFER enabled" 486b091c53000c843211c218ce40287a7edca9bc63Daniel Lam#else 496b091c53000c843211c218ce40287a7edca9bc63Daniel Lam#define FLAG_ALLOW_DEQUEUE_CURRENT_BUFFER false 506b091c53000c843211c218ce40287a7edca9bc63Daniel Lam#endif 516b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 526b091c53000c843211c218ce40287a7edca9bc63Daniel Lam// Macros for including the BufferQueue name in log messages 53eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam#define ST_LOGV(x, ...) ALOGV("[%s] "x, mConsumerName.string(), ##__VA_ARGS__) 54eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam#define ST_LOGD(x, ...) ALOGD("[%s] "x, mConsumerName.string(), ##__VA_ARGS__) 55eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam#define ST_LOGI(x, ...) ALOGI("[%s] "x, mConsumerName.string(), ##__VA_ARGS__) 56eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam#define ST_LOGW(x, ...) ALOGW("[%s] "x, mConsumerName.string(), ##__VA_ARGS__) 57eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam#define ST_LOGE(x, ...) ALOGE("[%s] "x, mConsumerName.string(), ##__VA_ARGS__) 586b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 59546ed2d7d98ce4f1415647913a231a6b4fc6ca66Mathias Agopian#define ATRACE_BUFFER_INDEX(index) \ 60695e331f01b136155b1559b3c878b7c5bb631bc1Jamie Gennis if (ATRACE_ENABLED()) { \ 61695e331f01b136155b1559b3c878b7c5bb631bc1Jamie Gennis char ___traceBuf[1024]; \ 62695e331f01b136155b1559b3c878b7c5bb631bc1Jamie Gennis snprintf(___traceBuf, 1024, "%s: %d", mConsumerName.string(), \ 63695e331f01b136155b1559b3c878b7c5bb631bc1Jamie Gennis (index)); \ 64695e331f01b136155b1559b3c878b7c5bb631bc1Jamie Gennis android::ScopedTrace ___bufTracer(ATRACE_TAG, ___traceBuf); \ 65695e331f01b136155b1559b3c878b7c5bb631bc1Jamie Gennis } 66546ed2d7d98ce4f1415647913a231a6b4fc6ca66Mathias Agopian 676b091c53000c843211c218ce40287a7edca9bc63Daniel Lamnamespace android { 686b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 696b091c53000c843211c218ce40287a7edca9bc63Daniel Lam// Get an ID that's unique within this process. 706b091c53000c843211c218ce40287a7edca9bc63Daniel Lamstatic int32_t createProcessUniqueId() { 716b091c53000c843211c218ce40287a7edca9bc63Daniel Lam static volatile int32_t globalCounter = 0; 726b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return android_atomic_inc(&globalCounter); 736b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 746b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 75cd1806e210f2633423f0fb14d39fa00d03974223Jamie Gennisstatic const char* scalingModeName(int scalingMode) { 76cd1806e210f2633423f0fb14d39fa00d03974223Jamie Gennis switch (scalingMode) { 77cd1806e210f2633423f0fb14d39fa00d03974223Jamie Gennis case NATIVE_WINDOW_SCALING_MODE_FREEZE: return "FREEZE"; 78cd1806e210f2633423f0fb14d39fa00d03974223Jamie Gennis case NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW: return "SCALE_TO_WINDOW"; 79cd1806e210f2633423f0fb14d39fa00d03974223Jamie Gennis case NATIVE_WINDOW_SCALING_MODE_SCALE_CROP: return "SCALE_CROP"; 80cd1806e210f2633423f0fb14d39fa00d03974223Jamie Gennis default: return "Unknown"; 81cd1806e210f2633423f0fb14d39fa00d03974223Jamie Gennis } 82cd1806e210f2633423f0fb14d39fa00d03974223Jamie Gennis} 83cd1806e210f2633423f0fb14d39fa00d03974223Jamie Gennis 843e87601170141229d661df93e2f59e1ced73474bMathias AgopianBufferQueue::BufferQueue(bool allowSynchronousMode, int bufferCount, 853e87601170141229d661df93e2f59e1ced73474bMathias Agopian const sp<IGraphicBufferAlloc>& allocator) : 866b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mDefaultWidth(1), 876b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mDefaultHeight(1), 886b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mPixelFormat(PIXEL_FORMAT_RGBA_8888), 89abe61bfda4938abd932465e27c29ba9e41aea606Daniel Lam mMinUndequeuedBuffers(bufferCount), 90abe61bfda4938abd932465e27c29ba9e41aea606Daniel Lam mMinAsyncBufferSlots(bufferCount + 1), 91abe61bfda4938abd932465e27c29ba9e41aea606Daniel Lam mMinSyncBufferSlots(bufferCount), 92abe61bfda4938abd932465e27c29ba9e41aea606Daniel Lam mBufferCount(mMinAsyncBufferSlots), 936b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mClientBufferCount(0), 94abe61bfda4938abd932465e27c29ba9e41aea606Daniel Lam mServerBufferCount(mMinAsyncBufferSlots), 956b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSynchronousMode(false), 966b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mAllowSynchronousMode(allowSynchronousMode), 976b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mConnectedApi(NO_CONNECTED_API), 986b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mAbandoned(false), 99eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mFrameCounter(0), 100b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam mBufferHasBeenQueued(false), 101b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam mDefaultBufferFormat(0), 102b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam mConsumerUsageBits(0), 103b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam mTransformHint(0) 1046b091c53000c843211c218ce40287a7edca9bc63Daniel Lam{ 1056b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // Choose a name using the PID and a process-unique ID. 106eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mConsumerName = String8::format("unnamed-%d-%d", getpid(), createProcessUniqueId()); 1076b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 1086b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGV("BufferQueue"); 1093e87601170141229d661df93e2f59e1ced73474bMathias Agopian if (allocator == NULL) { 1103e87601170141229d661df93e2f59e1ced73474bMathias Agopian sp<ISurfaceComposer> composer(ComposerService::getComposerService()); 1113e87601170141229d661df93e2f59e1ced73474bMathias Agopian mGraphicBufferAlloc = composer->createGraphicBufferAlloc(); 1123e87601170141229d661df93e2f59e1ced73474bMathias Agopian if (mGraphicBufferAlloc == 0) { 1133e87601170141229d661df93e2f59e1ced73474bMathias Agopian ST_LOGE("createGraphicBufferAlloc() failed in BufferQueue()"); 1143e87601170141229d661df93e2f59e1ced73474bMathias Agopian } 1153e87601170141229d661df93e2f59e1ced73474bMathias Agopian } else { 1163e87601170141229d661df93e2f59e1ced73474bMathias Agopian mGraphicBufferAlloc = allocator; 117abe61bfda4938abd932465e27c29ba9e41aea606Daniel Lam } 1186b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 1196b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 1206b091c53000c843211c218ce40287a7edca9bc63Daniel LamBufferQueue::~BufferQueue() { 1216b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGV("~BufferQueue"); 1226b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 1236b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 1246b091c53000c843211c218ce40287a7edca9bc63Daniel Lamstatus_t BufferQueue::setBufferCountServerLocked(int bufferCount) { 1256b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (bufferCount > NUM_BUFFER_SLOTS) 1266b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return BAD_VALUE; 1276b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 1286b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // special-case, nothing to do 1296b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (bufferCount == mBufferCount) 1306b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return OK; 1316b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 1326b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (!mClientBufferCount && 1336b091c53000c843211c218ce40287a7edca9bc63Daniel Lam bufferCount >= mBufferCount) { 1346b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // easy, we just have more buffers 1356b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mBufferCount = bufferCount; 1366b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mServerBufferCount = bufferCount; 13774ff8c23f44f1546d0c7004302f4c7ba726ff4c0Dave Burke mDequeueCondition.broadcast(); 1386b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } else { 1396b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // we're here because we're either 1406b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // - reducing the number of available buffers 1416b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // - or there is a client-buffer-count in effect 1426b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 1436b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // less than 2 buffers is never allowed 1446b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (bufferCount < 2) 1456b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return BAD_VALUE; 1466b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 1476b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // when there is non client-buffer-count in effect, the client is not 1486b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // allowed to dequeue more than one buffer at a time, 1496b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // so the next time they dequeue a buffer, we know that they don't 1506b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // own one. the actual resizing will happen during the next 1516b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // dequeueBuffer. 1526b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 1536b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mServerBufferCount = bufferCount; 154b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam mDequeueCondition.broadcast(); 1556b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 1566b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return OK; 1576b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 1586b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 159eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lambool BufferQueue::isSynchronousMode() const { 160eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam Mutex::Autolock lock(mMutex); 161eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam return mSynchronousMode; 162eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam} 163eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 164eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lamvoid BufferQueue::setConsumerName(const String8& name) { 165eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam Mutex::Autolock lock(mMutex); 166eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mConsumerName = name; 167eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam} 168eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 169b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lamstatus_t BufferQueue::setDefaultBufferFormat(uint32_t defaultFormat) { 170b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam Mutex::Autolock lock(mMutex); 171b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam mDefaultBufferFormat = defaultFormat; 172b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam return OK; 173b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam} 174b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam 175b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lamstatus_t BufferQueue::setConsumerUsageBits(uint32_t usage) { 176b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam Mutex::Autolock lock(mMutex); 177b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam mConsumerUsageBits = usage; 178b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam return OK; 179b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam} 180b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam 181b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lamstatus_t BufferQueue::setTransformHint(uint32_t hint) { 182b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam Mutex::Autolock lock(mMutex); 183b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam mTransformHint = hint; 184b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam return OK; 185b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam} 186b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam 1876b091c53000c843211c218ce40287a7edca9bc63Daniel Lamstatus_t BufferQueue::setBufferCount(int bufferCount) { 1886b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGV("setBufferCount: count=%d", bufferCount); 1896b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 1909abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam sp<ConsumerListener> listener; 1919abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam { 1929abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam Mutex::Autolock lock(mMutex); 1936b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 1949abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam if (mAbandoned) { 1959abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam ST_LOGE("setBufferCount: SurfaceTexture has been abandoned!"); 1969abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam return NO_INIT; 1979abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam } 1989abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam if (bufferCount > NUM_BUFFER_SLOTS) { 1999abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam ST_LOGE("setBufferCount: bufferCount larger than slots available"); 2009abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam return BAD_VALUE; 2016b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 2026b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 2039abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam // Error out if the user has dequeued buffers 2049abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam for (int i=0 ; i<mBufferCount ; i++) { 2059abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam if (mSlots[i].mBufferState == BufferSlot::DEQUEUED) { 2069abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam ST_LOGE("setBufferCount: client owns some buffers"); 2079abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam return -EINVAL; 2089abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam } 2099abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam } 2106b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 2119abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam const int minBufferSlots = mSynchronousMode ? 212abe61bfda4938abd932465e27c29ba9e41aea606Daniel Lam mMinSyncBufferSlots : mMinAsyncBufferSlots; 2139abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam if (bufferCount == 0) { 2149abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam mClientBufferCount = 0; 2159abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam bufferCount = (mServerBufferCount >= minBufferSlots) ? 2169abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam mServerBufferCount : minBufferSlots; 2179abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam return setBufferCountServerLocked(bufferCount); 2189abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam } 2199abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam 2209abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam if (bufferCount < minBufferSlots) { 2219abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam ST_LOGE("setBufferCount: requested buffer count (%d) is less than " 2229abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam "minimum (%d)", bufferCount, minBufferSlots); 2239abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam return BAD_VALUE; 2249abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam } 2259abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam 2269abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam // here we're guaranteed that the client doesn't have dequeued buffers 2279abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam // and will release all of its buffer references. 2289abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam freeAllBuffersLocked(); 2299abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam mBufferCount = bufferCount; 2309abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam mClientBufferCount = bufferCount; 2319abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam mBufferHasBeenQueued = false; 2329abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam mQueue.clear(); 2339abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam mDequeueCondition.broadcast(); 2349abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam listener = mConsumerListener; 2359abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam } // scope for lock 2369abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam 2379abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam if (listener != NULL) { 2389abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam listener->onBuffersReleased(); 2396b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 2406b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 2416b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return OK; 2426b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 2436b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 244b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lamint BufferQueue::query(int what, int* outValue) 245b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam{ 2461c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis ATRACE_CALL(); 247b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam Mutex::Autolock lock(mMutex); 248b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam 249b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam if (mAbandoned) { 250b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam ST_LOGE("query: SurfaceTexture has been abandoned!"); 251b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam return NO_INIT; 252b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam } 253b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam 254b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam int value; 255b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam switch (what) { 256b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam case NATIVE_WINDOW_WIDTH: 257b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam value = mDefaultWidth; 258b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam break; 259b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam case NATIVE_WINDOW_HEIGHT: 260b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam value = mDefaultHeight; 261b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam break; 262b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam case NATIVE_WINDOW_FORMAT: 263b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam value = mPixelFormat; 264b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam break; 265b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam case NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS: 266b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam value = mSynchronousMode ? 267abe61bfda4938abd932465e27c29ba9e41aea606Daniel Lam (mMinUndequeuedBuffers-1) : mMinUndequeuedBuffers; 268b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam break; 2692488b20aec097accb20a853d9876bb0a5dc04636Mathias Agopian case NATIVE_WINDOW_CONSUMER_RUNNING_BEHIND: 2702488b20aec097accb20a853d9876bb0a5dc04636Mathias Agopian value = (mQueue.size() >= 2); 2712488b20aec097accb20a853d9876bb0a5dc04636Mathias Agopian break; 272b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam default: 273b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam return BAD_VALUE; 274b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam } 275b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam outValue[0] = value; 276b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam return NO_ERROR; 277b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam} 278b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam 2796b091c53000c843211c218ce40287a7edca9bc63Daniel Lamstatus_t BufferQueue::requestBuffer(int slot, sp<GraphicBuffer>* buf) { 2801c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis ATRACE_CALL(); 2816b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGV("requestBuffer: slot=%d", slot); 2826b091c53000c843211c218ce40287a7edca9bc63Daniel Lam Mutex::Autolock lock(mMutex); 2836b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mAbandoned) { 2846b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("requestBuffer: SurfaceTexture has been abandoned!"); 2856b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return NO_INIT; 2866b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 2876b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (slot < 0 || mBufferCount <= slot) { 2886b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("requestBuffer: slot index out of range [0, %d]: %d", 2896b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mBufferCount, slot); 2906b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return BAD_VALUE; 2916b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 2926b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[slot].mRequestBufferCalled = true; 2936b091c53000c843211c218ce40287a7edca9bc63Daniel Lam *buf = mSlots[slot].mGraphicBuffer; 2946b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return NO_ERROR; 2956b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 2966b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 297f78575400977f644cf0b12beb2fa5fc278b6ed4cJesse Hallstatus_t BufferQueue::dequeueBuffer(int *outBuf, sp<Fence>& outFence, 298f78575400977f644cf0b12beb2fa5fc278b6ed4cJesse Hall uint32_t w, uint32_t h, uint32_t format, uint32_t usage) { 2991c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis ATRACE_CALL(); 3006b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGV("dequeueBuffer: w=%d h=%d fmt=%#x usage=%#x", w, h, format, usage); 3016b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 3026b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if ((w && !h) || (!w && h)) { 3036b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("dequeueBuffer: invalid size: w=%u, h=%u", w, h); 3046b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return BAD_VALUE; 3056b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 3066b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 3076b091c53000c843211c218ce40287a7edca9bc63Daniel Lam status_t returnFlags(OK); 3086b091c53000c843211c218ce40287a7edca9bc63Daniel Lam EGLDisplay dpy = EGL_NO_DISPLAY; 309c777b0b3b9b0ea5d8e378fccde6935765e28e329Jesse Hall EGLSyncKHR eglFence = EGL_NO_SYNC_KHR; 3106b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 3116b091c53000c843211c218ce40287a7edca9bc63Daniel Lam { // Scope for the lock 3126b091c53000c843211c218ce40287a7edca9bc63Daniel Lam Mutex::Autolock lock(mMutex); 3136b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 314b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam if (format == 0) { 315b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam format = mDefaultBufferFormat; 316b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam } 317b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam // turn on usage bits the consumer requested 318b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam usage |= mConsumerUsageBits; 319b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam 3206b091c53000c843211c218ce40287a7edca9bc63Daniel Lam int found = -1; 3216b091c53000c843211c218ce40287a7edca9bc63Daniel Lam int dequeuedCount = 0; 3226b091c53000c843211c218ce40287a7edca9bc63Daniel Lam bool tryAgain = true; 3236b091c53000c843211c218ce40287a7edca9bc63Daniel Lam while (tryAgain) { 3246b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mAbandoned) { 3256b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("dequeueBuffer: SurfaceTexture has been abandoned!"); 3266b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return NO_INIT; 3276b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 3286b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 3296b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // We need to wait for the FIFO to drain if the number of buffer 3306b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // needs to change. 3316b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // 3326b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // The condition "number of buffers needs to change" is true if 3336b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // - the client doesn't care about how many buffers there are 3346b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // - AND the actual number of buffer is different from what was 3356b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // set in the last setBufferCountServer() 3366b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // - OR - 3376b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // setBufferCountServer() was set to a value incompatible with 3386b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // the synchronization mode (for instance because the sync mode 3396b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // changed since) 3406b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // 3416b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // As long as this condition is true AND the FIFO is not empty, we 3426b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // wait on mDequeueCondition. 3436b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 3446b091c53000c843211c218ce40287a7edca9bc63Daniel Lam const int minBufferCountNeeded = mSynchronousMode ? 345abe61bfda4938abd932465e27c29ba9e41aea606Daniel Lam mMinSyncBufferSlots : mMinAsyncBufferSlots; 3466b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 3476b091c53000c843211c218ce40287a7edca9bc63Daniel Lam const bool numberOfBuffersNeedsToChange = !mClientBufferCount && 3486b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ((mServerBufferCount != mBufferCount) || 3496b091c53000c843211c218ce40287a7edca9bc63Daniel Lam (mServerBufferCount < minBufferCountNeeded)); 3506b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 3516b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (!mQueue.isEmpty() && numberOfBuffersNeedsToChange) { 3526b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // wait for the FIFO to drain 3536b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mDequeueCondition.wait(mMutex); 3546b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // NOTE: we continue here because we need to reevaluate our 3556b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // whole state (eg: we could be abandoned or disconnected) 3566b091c53000c843211c218ce40287a7edca9bc63Daniel Lam continue; 3576b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 3586b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 3596b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (numberOfBuffersNeedsToChange) { 3606b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // here we're guaranteed that mQueue is empty 3616b091c53000c843211c218ce40287a7edca9bc63Daniel Lam freeAllBuffersLocked(); 3626b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mBufferCount = mServerBufferCount; 3636b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mBufferCount < minBufferCountNeeded) 3646b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mBufferCount = minBufferCountNeeded; 365eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mBufferHasBeenQueued = false; 3666b091c53000c843211c218ce40287a7edca9bc63Daniel Lam returnFlags |= ISurfaceTexture::RELEASE_ALL_BUFFERS; 3676b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 3686b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 3696b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // look for a free buffer to give to the client 3706b091c53000c843211c218ce40287a7edca9bc63Daniel Lam found = INVALID_BUFFER_SLOT; 3716b091c53000c843211c218ce40287a7edca9bc63Daniel Lam dequeuedCount = 0; 3726b091c53000c843211c218ce40287a7edca9bc63Daniel Lam for (int i = 0; i < mBufferCount; i++) { 3736b091c53000c843211c218ce40287a7edca9bc63Daniel Lam const int state = mSlots[i].mBufferState; 3746b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (state == BufferSlot::DEQUEUED) { 3756b091c53000c843211c218ce40287a7edca9bc63Daniel Lam dequeuedCount++; 3766b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 3776b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 378eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam // this logic used to be if (FLAG_ALLOW_DEQUEUE_CURRENT_BUFFER) 379eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam // but dequeuing the current buffer is disabled. 380eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam if (false) { 381eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam // This functionality has been temporarily removed so 382eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam // BufferQueue and SurfaceTexture can be refactored into 383eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam // separate objects 3846b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } else { 3856b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (state == BufferSlot::FREE) { 3866b091c53000c843211c218ce40287a7edca9bc63Daniel Lam /* We return the oldest of the free buffers to avoid 3876b091c53000c843211c218ce40287a7edca9bc63Daniel Lam * stalling the producer if possible. This is because 3886b091c53000c843211c218ce40287a7edca9bc63Daniel Lam * the consumer may still have pending reads of the 3896b091c53000c843211c218ce40287a7edca9bc63Daniel Lam * buffers in flight. 3906b091c53000c843211c218ce40287a7edca9bc63Daniel Lam */ 3916b091c53000c843211c218ce40287a7edca9bc63Daniel Lam bool isOlder = mSlots[i].mFrameNumber < 3926b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[found].mFrameNumber; 3936b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (found < 0 || isOlder) { 3946b091c53000c843211c218ce40287a7edca9bc63Daniel Lam found = i; 3956b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 3966b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 3976b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 3986b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 3996b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 4006b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // clients are not allowed to dequeue more than one buffer 4016b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // if they didn't set a buffer count. 4026b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (!mClientBufferCount && dequeuedCount) { 4036b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("dequeueBuffer: can't dequeue multiple buffers without " 4046b091c53000c843211c218ce40287a7edca9bc63Daniel Lam "setting the buffer count"); 4056b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return -EINVAL; 4066b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 4076b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 4086b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // See whether a buffer has been queued since the last 4096b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // setBufferCount so we know whether to perform the 410abe61bfda4938abd932465e27c29ba9e41aea606Daniel Lam // mMinUndequeuedBuffers check below. 411eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam if (mBufferHasBeenQueued) { 4126b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // make sure the client is not trying to dequeue more buffers 4136b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // than allowed. 4146b091c53000c843211c218ce40287a7edca9bc63Daniel Lam const int avail = mBufferCount - (dequeuedCount+1); 415abe61bfda4938abd932465e27c29ba9e41aea606Daniel Lam if (avail < (mMinUndequeuedBuffers-int(mSynchronousMode))) { 416abe61bfda4938abd932465e27c29ba9e41aea606Daniel Lam ST_LOGE("dequeueBuffer: mMinUndequeuedBuffers=%d exceeded " 4176b091c53000c843211c218ce40287a7edca9bc63Daniel Lam "(dequeued=%d)", 418abe61bfda4938abd932465e27c29ba9e41aea606Daniel Lam mMinUndequeuedBuffers-int(mSynchronousMode), 4196b091c53000c843211c218ce40287a7edca9bc63Daniel Lam dequeuedCount); 4206b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return -EBUSY; 4216b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 4226b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 4236b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 424c2c1f2f24cd70bdcf1958157bab38467bf0fdc71Daniel Lam // if no buffer is found, wait for a buffer to be released 425c2c1f2f24cd70bdcf1958157bab38467bf0fdc71Daniel Lam tryAgain = found == INVALID_BUFFER_SLOT; 4266b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (tryAgain) { 4276b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mDequeueCondition.wait(mMutex); 4286b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 4296b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 4306b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 4316b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 4326b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (found == INVALID_BUFFER_SLOT) { 4336b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // This should not happen. 4346b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("dequeueBuffer: no available buffer slots"); 4356b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return -EBUSY; 4366b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 4376b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 4386b091c53000c843211c218ce40287a7edca9bc63Daniel Lam const int buf = found; 4396b091c53000c843211c218ce40287a7edca9bc63Daniel Lam *outBuf = found; 4406b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 441546ed2d7d98ce4f1415647913a231a6b4fc6ca66Mathias Agopian ATRACE_BUFFER_INDEX(buf); 442546ed2d7d98ce4f1415647913a231a6b4fc6ca66Mathias Agopian 4436b091c53000c843211c218ce40287a7edca9bc63Daniel Lam const bool useDefaultSize = !w && !h; 4446b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (useDefaultSize) { 4456b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // use the default size 4466b091c53000c843211c218ce40287a7edca9bc63Daniel Lam w = mDefaultWidth; 4476b091c53000c843211c218ce40287a7edca9bc63Daniel Lam h = mDefaultHeight; 4486b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 4496b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 4506b091c53000c843211c218ce40287a7edca9bc63Daniel Lam const bool updateFormat = (format != 0); 4516b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (!updateFormat) { 4526b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // keep the current (or default) format 4536b091c53000c843211c218ce40287a7edca9bc63Daniel Lam format = mPixelFormat; 4546b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 4556b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 4566b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // buffer is now in DEQUEUED (but can also be current at the same time, 4576b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // if we're in synchronous mode) 4586b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[buf].mBufferState = BufferSlot::DEQUEUED; 4596b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 4606b091c53000c843211c218ce40287a7edca9bc63Daniel Lam const sp<GraphicBuffer>& buffer(mSlots[buf].mGraphicBuffer); 4616b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if ((buffer == NULL) || 4626b091c53000c843211c218ce40287a7edca9bc63Daniel Lam (uint32_t(buffer->width) != w) || 4636b091c53000c843211c218ce40287a7edca9bc63Daniel Lam (uint32_t(buffer->height) != h) || 4646b091c53000c843211c218ce40287a7edca9bc63Daniel Lam (uint32_t(buffer->format) != format) || 4656b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ((uint32_t(buffer->usage) & usage) != usage)) 4666b091c53000c843211c218ce40287a7edca9bc63Daniel Lam { 4676b091c53000c843211c218ce40287a7edca9bc63Daniel Lam status_t error; 4686b091c53000c843211c218ce40287a7edca9bc63Daniel Lam sp<GraphicBuffer> graphicBuffer( 4696b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mGraphicBufferAlloc->createGraphicBuffer( 4706b091c53000c843211c218ce40287a7edca9bc63Daniel Lam w, h, format, usage, &error)); 4716b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (graphicBuffer == 0) { 4726b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("dequeueBuffer: SurfaceComposer::createGraphicBuffer " 4736b091c53000c843211c218ce40287a7edca9bc63Daniel Lam "failed"); 4746b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return error; 4756b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 4766b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (updateFormat) { 4776b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mPixelFormat = format; 4786b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 479eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 480eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mSlots[buf].mAcquireCalled = false; 4816b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[buf].mGraphicBuffer = graphicBuffer; 4826b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[buf].mRequestBufferCalled = false; 483c777b0b3b9b0ea5d8e378fccde6935765e28e329Jesse Hall mSlots[buf].mEglFence = EGL_NO_SYNC_KHR; 484c777b0b3b9b0ea5d8e378fccde6935765e28e329Jesse Hall mSlots[buf].mFence.clear(); 485eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mSlots[buf].mEglDisplay = EGL_NO_DISPLAY; 486eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 4876b091c53000c843211c218ce40287a7edca9bc63Daniel Lam returnFlags |= ISurfaceTexture::BUFFER_NEEDS_REALLOCATION; 4886b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 4896b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 4906b091c53000c843211c218ce40287a7edca9bc63Daniel Lam dpy = mSlots[buf].mEglDisplay; 491c777b0b3b9b0ea5d8e378fccde6935765e28e329Jesse Hall eglFence = mSlots[buf].mEglFence; 492c777b0b3b9b0ea5d8e378fccde6935765e28e329Jesse Hall outFence = mSlots[buf].mFence; 493c777b0b3b9b0ea5d8e378fccde6935765e28e329Jesse Hall mSlots[buf].mEglFence = EGL_NO_SYNC_KHR; 494c777b0b3b9b0ea5d8e378fccde6935765e28e329Jesse Hall mSlots[buf].mFence.clear(); 495eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam } // end lock scope 4966b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 497c777b0b3b9b0ea5d8e378fccde6935765e28e329Jesse Hall if (eglFence != EGL_NO_SYNC_KHR) { 498c777b0b3b9b0ea5d8e378fccde6935765e28e329Jesse Hall EGLint result = eglClientWaitSyncKHR(dpy, eglFence, 0, 1000000000); 4996b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // If something goes wrong, log the error, but return the buffer without 5006b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // synchronizing access to it. It's too late at this point to abort the 5016b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // dequeue operation. 5026b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (result == EGL_FALSE) { 503b7a6b96301c00c630610df4cb55a45d666200817Jamie Gennis ST_LOGE("dequeueBuffer: error waiting for fence: %#x", eglGetError()); 5046b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } else if (result == EGL_TIMEOUT_EXPIRED_KHR) { 505b7a6b96301c00c630610df4cb55a45d666200817Jamie Gennis ST_LOGE("dequeueBuffer: timeout waiting for fence"); 5066b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 507c777b0b3b9b0ea5d8e378fccde6935765e28e329Jesse Hall eglDestroySyncKHR(dpy, eglFence); 5086b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 5096b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 5106b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGV("dequeueBuffer: returning slot=%d buf=%p flags=%#x", *outBuf, 5116b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[*outBuf].mGraphicBuffer->handle, returnFlags); 5126b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 5136b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return returnFlags; 5146b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 5156b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 5166b091c53000c843211c218ce40287a7edca9bc63Daniel Lamstatus_t BufferQueue::setSynchronousMode(bool enabled) { 5171c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis ATRACE_CALL(); 5186b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGV("setSynchronousMode: enabled=%d", enabled); 5196b091c53000c843211c218ce40287a7edca9bc63Daniel Lam Mutex::Autolock lock(mMutex); 5206b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 5216b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mAbandoned) { 5226b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("setSynchronousMode: SurfaceTexture has been abandoned!"); 5236b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return NO_INIT; 5246b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 5256b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 5266b091c53000c843211c218ce40287a7edca9bc63Daniel Lam status_t err = OK; 5276b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (!mAllowSynchronousMode && enabled) 5286b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return err; 5296b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 5306b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (!enabled) { 5316b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // going to asynchronous mode, drain the queue 5326b091c53000c843211c218ce40287a7edca9bc63Daniel Lam err = drainQueueLocked(); 5336b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (err != NO_ERROR) 5346b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return err; 5356b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 5366b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 5376b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mSynchronousMode != enabled) { 5386b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // - if we're going to asynchronous mode, the queue is guaranteed to be 5396b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // empty here 5406b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // - if the client set the number of buffers, we're guaranteed that 5416b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // we have at least 3 (because we don't allow less) 5426b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSynchronousMode = enabled; 54374ff8c23f44f1546d0c7004302f4c7ba726ff4c0Dave Burke mDequeueCondition.broadcast(); 5446b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 5456b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return err; 5466b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 5476b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 548f0bc2f1d8d37977bd3aef3d3326a70e9e69d4246Mathias Agopianstatus_t BufferQueue::queueBuffer(int buf, 549f0bc2f1d8d37977bd3aef3d3326a70e9e69d4246Mathias Agopian const QueueBufferInput& input, QueueBufferOutput* output) { 5501c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis ATRACE_CALL(); 551546ed2d7d98ce4f1415647913a231a6b4fc6ca66Mathias Agopian ATRACE_BUFFER_INDEX(buf); 552546ed2d7d98ce4f1415647913a231a6b4fc6ca66Mathias Agopian 553efc7ab6dcea8c22ddd7c0259ef4ab4bbf1e93044Jamie Gennis Rect crop; 554efc7ab6dcea8c22ddd7c0259ef4ab4bbf1e93044Jamie Gennis uint32_t transform; 555efc7ab6dcea8c22ddd7c0259ef4ab4bbf1e93044Jamie Gennis int scalingMode; 556efc7ab6dcea8c22ddd7c0259ef4ab4bbf1e93044Jamie Gennis int64_t timestamp; 557c777b0b3b9b0ea5d8e378fccde6935765e28e329Jesse Hall sp<Fence> fence; 558efc7ab6dcea8c22ddd7c0259ef4ab4bbf1e93044Jamie Gennis 559c777b0b3b9b0ea5d8e378fccde6935765e28e329Jesse Hall input.deflate(×tamp, &crop, &scalingMode, &transform, &fence); 560efc7ab6dcea8c22ddd7c0259ef4ab4bbf1e93044Jamie Gennis 561cd1806e210f2633423f0fb14d39fa00d03974223Jamie Gennis ST_LOGV("queueBuffer: slot=%d time=%#llx crop=[%d,%d,%d,%d] tr=%#x " 562cd1806e210f2633423f0fb14d39fa00d03974223Jamie Gennis "scale=%s", 563cd1806e210f2633423f0fb14d39fa00d03974223Jamie Gennis buf, timestamp, crop.left, crop.top, crop.right, crop.bottom, 564cd1806e210f2633423f0fb14d39fa00d03974223Jamie Gennis transform, scalingModeName(scalingMode)); 5656b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 566fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis sp<ConsumerListener> listener; 5676b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 5686b091c53000c843211c218ce40287a7edca9bc63Daniel Lam { // scope for the lock 5696b091c53000c843211c218ce40287a7edca9bc63Daniel Lam Mutex::Autolock lock(mMutex); 5706b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mAbandoned) { 5716b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("queueBuffer: SurfaceTexture has been abandoned!"); 5726b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return NO_INIT; 5736b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 5746b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (buf < 0 || buf >= mBufferCount) { 5756b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("queueBuffer: slot index out of range [0, %d]: %d", 5766b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mBufferCount, buf); 5776b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return -EINVAL; 5786b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } else if (mSlots[buf].mBufferState != BufferSlot::DEQUEUED) { 5796b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("queueBuffer: slot %d is not owned by the client " 5806b091c53000c843211c218ce40287a7edca9bc63Daniel Lam "(state=%d)", buf, mSlots[buf].mBufferState); 5816b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return -EINVAL; 5826b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } else if (!mSlots[buf].mRequestBufferCalled) { 5836b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("queueBuffer: slot %d was enqueued without requesting a " 5846b091c53000c843211c218ce40287a7edca9bc63Daniel Lam "buffer", buf); 5856b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return -EINVAL; 5866b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 5876b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 588d72f233ffa125856a44976a50a66ceb669f49ab2Jamie Gennis const sp<GraphicBuffer>& graphicBuffer(mSlots[buf].mGraphicBuffer); 589d72f233ffa125856a44976a50a66ceb669f49ab2Jamie Gennis Rect bufferRect(graphicBuffer->getWidth(), graphicBuffer->getHeight()); 590d72f233ffa125856a44976a50a66ceb669f49ab2Jamie Gennis Rect croppedCrop; 591d72f233ffa125856a44976a50a66ceb669f49ab2Jamie Gennis crop.intersect(bufferRect, &croppedCrop); 592d72f233ffa125856a44976a50a66ceb669f49ab2Jamie Gennis if (croppedCrop != crop) { 593d72f233ffa125856a44976a50a66ceb669f49ab2Jamie Gennis ST_LOGE("queueBuffer: crop rect is not contained within the " 594d72f233ffa125856a44976a50a66ceb669f49ab2Jamie Gennis "buffer in slot %d", buf); 595d72f233ffa125856a44976a50a66ceb669f49ab2Jamie Gennis return -EINVAL; 596d72f233ffa125856a44976a50a66ceb669f49ab2Jamie Gennis } 597d72f233ffa125856a44976a50a66ceb669f49ab2Jamie Gennis 5986b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mSynchronousMode) { 5996b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // In synchronous mode we queue all buffers in a FIFO. 6006b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mQueue.push_back(buf); 6016b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 6026b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // Synchronous mode always signals that an additional frame should 6036b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // be consumed. 604fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis listener = mConsumerListener; 6056b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } else { 6066b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // In asynchronous mode we only keep the most recent buffer. 6076b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mQueue.empty()) { 6086b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mQueue.push_back(buf); 6096b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 6106b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // Asynchronous mode only signals that a frame should be 6116b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // consumed if no previous frame was pending. If a frame were 6126b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // pending then the consumer would have already been notified. 613fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis listener = mConsumerListener; 6146b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } else { 6156b091c53000c843211c218ce40287a7edca9bc63Daniel Lam Fifo::iterator front(mQueue.begin()); 6166b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // buffer currently queued is freed 6176b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[*front].mBufferState = BufferSlot::FREE; 6186b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // and we record the new buffer index in the queued list 6196b091c53000c843211c218ce40287a7edca9bc63Daniel Lam *front = buf; 6206b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 6216b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 6226b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 623efc7ab6dcea8c22ddd7c0259ef4ab4bbf1e93044Jamie Gennis mSlots[buf].mTimestamp = timestamp; 624efc7ab6dcea8c22ddd7c0259ef4ab4bbf1e93044Jamie Gennis mSlots[buf].mCrop = crop; 625efc7ab6dcea8c22ddd7c0259ef4ab4bbf1e93044Jamie Gennis mSlots[buf].mTransform = transform; 626c777b0b3b9b0ea5d8e378fccde6935765e28e329Jesse Hall mSlots[buf].mFence = fence; 627f0bc2f1d8d37977bd3aef3d3326a70e9e69d4246Mathias Agopian 628851ef8f1bfbb164d61b1528a529a464f0a60dbafMathias Agopian switch (scalingMode) { 629851ef8f1bfbb164d61b1528a529a464f0a60dbafMathias Agopian case NATIVE_WINDOW_SCALING_MODE_FREEZE: 630851ef8f1bfbb164d61b1528a529a464f0a60dbafMathias Agopian case NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW: 631016c8cbce4dde21f2703b9865f52d16b8d5d5ae2Daniel Lam case NATIVE_WINDOW_SCALING_MODE_SCALE_CROP: 632851ef8f1bfbb164d61b1528a529a464f0a60dbafMathias Agopian break; 633851ef8f1bfbb164d61b1528a529a464f0a60dbafMathias Agopian default: 634851ef8f1bfbb164d61b1528a529a464f0a60dbafMathias Agopian ST_LOGE("unknown scaling mode: %d (ignoring)", scalingMode); 635851ef8f1bfbb164d61b1528a529a464f0a60dbafMathias Agopian scalingMode = mSlots[buf].mScalingMode; 636851ef8f1bfbb164d61b1528a529a464f0a60dbafMathias Agopian break; 637851ef8f1bfbb164d61b1528a529a464f0a60dbafMathias Agopian } 638851ef8f1bfbb164d61b1528a529a464f0a60dbafMathias Agopian 6396b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[buf].mBufferState = BufferSlot::QUEUED; 640851ef8f1bfbb164d61b1528a529a464f0a60dbafMathias Agopian mSlots[buf].mScalingMode = scalingMode; 6416b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mFrameCounter++; 6426b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[buf].mFrameNumber = mFrameCounter; 6436b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 644eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mBufferHasBeenQueued = true; 64574ff8c23f44f1546d0c7004302f4c7ba726ff4c0Dave Burke mDequeueCondition.broadcast(); 6466b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 6472488b20aec097accb20a853d9876bb0a5dc04636Mathias Agopian output->inflate(mDefaultWidth, mDefaultHeight, mTransformHint, 6482488b20aec097accb20a853d9876bb0a5dc04636Mathias Agopian mQueue.size()); 6491c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis 6501c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis ATRACE_INT(mConsumerName.string(), mQueue.size()); 6516b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } // scope for the lock 6526b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 6536b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // call back without lock held 6546b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (listener != 0) { 6556b091c53000c843211c218ce40287a7edca9bc63Daniel Lam listener->onFrameAvailable(); 6566b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 6576b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return OK; 6586b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 6596b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 660c777b0b3b9b0ea5d8e378fccde6935765e28e329Jesse Hallvoid BufferQueue::cancelBuffer(int buf, sp<Fence> fence) { 6611c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis ATRACE_CALL(); 6626b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGV("cancelBuffer: slot=%d", buf); 6636b091c53000c843211c218ce40287a7edca9bc63Daniel Lam Mutex::Autolock lock(mMutex); 6646b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 6656b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mAbandoned) { 6666b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGW("cancelBuffer: BufferQueue has been abandoned!"); 6676b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return; 6686b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 6696b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 6706b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (buf < 0 || buf >= mBufferCount) { 6716b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("cancelBuffer: slot index out of range [0, %d]: %d", 6726b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mBufferCount, buf); 6736b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return; 6746b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } else if (mSlots[buf].mBufferState != BufferSlot::DEQUEUED) { 6756b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("cancelBuffer: slot %d is not owned by the client (state=%d)", 6766b091c53000c843211c218ce40287a7edca9bc63Daniel Lam buf, mSlots[buf].mBufferState); 6776b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return; 6786b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 6796b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[buf].mBufferState = BufferSlot::FREE; 6806b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[buf].mFrameNumber = 0; 681c777b0b3b9b0ea5d8e378fccde6935765e28e329Jesse Hall mSlots[buf].mFence = fence; 68274ff8c23f44f1546d0c7004302f4c7ba726ff4c0Dave Burke mDequeueCondition.broadcast(); 6836b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 6846b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 68524202f5676c32edeef6544cf36e06b9fc970dbdeMathias Agopianstatus_t BufferQueue::connect(int api, QueueBufferOutput* output) { 6861c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis ATRACE_CALL(); 6876b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGV("connect: api=%d", api); 6886b091c53000c843211c218ce40287a7edca9bc63Daniel Lam Mutex::Autolock lock(mMutex); 6896b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 6906b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mAbandoned) { 6916b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("connect: BufferQueue has been abandoned!"); 6926b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return NO_INIT; 6936b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 6946b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 695fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis if (mConsumerListener == NULL) { 696fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis ST_LOGE("connect: BufferQueue has no consumer!"); 697fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis return NO_INIT; 698fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis } 699fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 7006b091c53000c843211c218ce40287a7edca9bc63Daniel Lam int err = NO_ERROR; 7016b091c53000c843211c218ce40287a7edca9bc63Daniel Lam switch (api) { 7026b091c53000c843211c218ce40287a7edca9bc63Daniel Lam case NATIVE_WINDOW_API_EGL: 7036b091c53000c843211c218ce40287a7edca9bc63Daniel Lam case NATIVE_WINDOW_API_CPU: 7046b091c53000c843211c218ce40287a7edca9bc63Daniel Lam case NATIVE_WINDOW_API_MEDIA: 7056b091c53000c843211c218ce40287a7edca9bc63Daniel Lam case NATIVE_WINDOW_API_CAMERA: 7066b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mConnectedApi != NO_CONNECTED_API) { 7076b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("connect: already connected (cur=%d, req=%d)", 7086b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mConnectedApi, api); 7096b091c53000c843211c218ce40287a7edca9bc63Daniel Lam err = -EINVAL; 7106b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } else { 7116b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mConnectedApi = api; 7122488b20aec097accb20a853d9876bb0a5dc04636Mathias Agopian output->inflate(mDefaultWidth, mDefaultHeight, mTransformHint, 7132488b20aec097accb20a853d9876bb0a5dc04636Mathias Agopian mQueue.size()); 7146b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 7156b091c53000c843211c218ce40287a7edca9bc63Daniel Lam break; 7166b091c53000c843211c218ce40287a7edca9bc63Daniel Lam default: 7176b091c53000c843211c218ce40287a7edca9bc63Daniel Lam err = -EINVAL; 7186b091c53000c843211c218ce40287a7edca9bc63Daniel Lam break; 7196b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 720eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 721eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mBufferHasBeenQueued = false; 722eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 7236b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return err; 7246b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 7256b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 7266b091c53000c843211c218ce40287a7edca9bc63Daniel Lamstatus_t BufferQueue::disconnect(int api) { 7271c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis ATRACE_CALL(); 7286b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGV("disconnect: api=%d", api); 7296b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 7306b091c53000c843211c218ce40287a7edca9bc63Daniel Lam int err = NO_ERROR; 731fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis sp<ConsumerListener> listener; 732fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 733fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis { // Scope for the lock 734fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis Mutex::Autolock lock(mMutex); 735fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 736fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis if (mAbandoned) { 737fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis // it is not really an error to disconnect after the surface 738fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis // has been abandoned, it should just be a no-op. 739fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis return NO_ERROR; 740fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis } 741fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 742fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis switch (api) { 743fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis case NATIVE_WINDOW_API_EGL: 744fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis case NATIVE_WINDOW_API_CPU: 745fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis case NATIVE_WINDOW_API_MEDIA: 746fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis case NATIVE_WINDOW_API_CAMERA: 747fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis if (mConnectedApi == api) { 748fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis drainQueueAndFreeBuffersLocked(); 749fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis mConnectedApi = NO_CONNECTED_API; 750fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis mDequeueCondition.broadcast(); 751fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis listener = mConsumerListener; 752fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis } else { 753fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis ST_LOGE("disconnect: connected to another api (cur=%d, req=%d)", 754fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis mConnectedApi, api); 755fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis err = -EINVAL; 756fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis } 757fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis break; 758fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis default: 759fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis ST_LOGE("disconnect: unknown API %d", api); 7606b091c53000c843211c218ce40287a7edca9bc63Daniel Lam err = -EINVAL; 761fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis break; 762fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis } 7636b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 764fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 765fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis if (listener != NULL) { 766fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis listener->onBuffersReleased(); 767fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis } 768fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 7696b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return err; 7706b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 7716b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 772eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lamvoid BufferQueue::dump(String8& result) const 773eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam{ 774eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam char buffer[1024]; 775eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam BufferQueue::dump(result, "", buffer, 1024); 776eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam} 777eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 778eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lamvoid BufferQueue::dump(String8& result, const char* prefix, 779eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam char* buffer, size_t SIZE) const 780eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam{ 781eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam Mutex::Autolock _l(mMutex); 782eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 783eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam String8 fifo; 784eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam int fifoSize = 0; 785eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam Fifo::const_iterator i(mQueue.begin()); 786eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam while (i != mQueue.end()) { 787eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam snprintf(buffer, SIZE, "%02d ", *i++); 788eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam fifoSize++; 789eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam fifo.append(buffer); 790eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam } 791eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 792eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam snprintf(buffer, SIZE, 793eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam "%s-BufferQueue mBufferCount=%d, mSynchronousMode=%d, default-size=[%dx%d], " 794eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam "mPixelFormat=%d, FIFO(%d)={%s}\n", 795eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam prefix, mBufferCount, mSynchronousMode, mDefaultWidth, 796eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mDefaultHeight, mPixelFormat, fifoSize, fifo.string()); 797eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam result.append(buffer); 798eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 799eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 800eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam struct { 801eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam const char * operator()(int state) const { 802eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam switch (state) { 803eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam case BufferSlot::DEQUEUED: return "DEQUEUED"; 804eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam case BufferSlot::QUEUED: return "QUEUED"; 805eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam case BufferSlot::FREE: return "FREE"; 806eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam case BufferSlot::ACQUIRED: return "ACQUIRED"; 807eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam default: return "Unknown"; 808eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam } 809eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam } 810eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam } stateName; 811eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 812eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam for (int i=0 ; i<mBufferCount ; i++) { 813eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam const BufferSlot& slot(mSlots[i]); 814eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam snprintf(buffer, SIZE, 815eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam "%s%s[%02d] " 816eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam "state=%-8s, crop=[%d,%d,%d,%d], " 817cd1806e210f2633423f0fb14d39fa00d03974223Jamie Gennis "xform=0x%02x, time=%#llx, scale=%s", 818eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam prefix, (slot.mBufferState == BufferSlot::ACQUIRED)?">":" ", i, 819eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam stateName(slot.mBufferState), 820eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam slot.mCrop.left, slot.mCrop.top, slot.mCrop.right, 821cd1806e210f2633423f0fb14d39fa00d03974223Jamie Gennis slot.mCrop.bottom, slot.mTransform, slot.mTimestamp, 822cd1806e210f2633423f0fb14d39fa00d03974223Jamie Gennis scalingModeName(slot.mScalingMode) 823eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam ); 824eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam result.append(buffer); 825eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 826eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam const sp<GraphicBuffer>& buf(slot.mGraphicBuffer); 827eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam if (buf != NULL) { 828eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam snprintf(buffer, SIZE, 829eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam ", %p [%4ux%4u:%4u,%3X]", 830eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam buf->handle, buf->width, buf->height, buf->stride, 831eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam buf->format); 832eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam result.append(buffer); 833eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam } 834eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam result.append("\n"); 835eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam } 836eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam} 837eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 8386b091c53000c843211c218ce40287a7edca9bc63Daniel Lamvoid BufferQueue::freeBufferLocked(int i) { 8396b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[i].mGraphicBuffer = 0; 8409abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam if (mSlots[i].mBufferState == BufferSlot::ACQUIRED) { 8419abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam mSlots[i].mNeedsCleanupOnRelease = true; 8429abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam } 8436b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[i].mBufferState = BufferSlot::FREE; 8446b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[i].mFrameNumber = 0; 845eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mSlots[i].mAcquireCalled = false; 846eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 847eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam // destroy fence as BufferQueue now takes ownership 848c777b0b3b9b0ea5d8e378fccde6935765e28e329Jesse Hall if (mSlots[i].mEglFence != EGL_NO_SYNC_KHR) { 849c777b0b3b9b0ea5d8e378fccde6935765e28e329Jesse Hall eglDestroySyncKHR(mSlots[i].mEglDisplay, mSlots[i].mEglFence); 850c777b0b3b9b0ea5d8e378fccde6935765e28e329Jesse Hall mSlots[i].mEglFence = EGL_NO_SYNC_KHR; 8516b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 852c777b0b3b9b0ea5d8e378fccde6935765e28e329Jesse Hall mSlots[i].mFence.clear(); 8536b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 8546b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 8556b091c53000c843211c218ce40287a7edca9bc63Daniel Lamvoid BufferQueue::freeAllBuffersLocked() { 8566b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ALOGW_IF(!mQueue.isEmpty(), 8576b091c53000c843211c218ce40287a7edca9bc63Daniel Lam "freeAllBuffersLocked called but mQueue is not empty"); 858eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mQueue.clear(); 859eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mBufferHasBeenQueued = false; 8606b091c53000c843211c218ce40287a7edca9bc63Daniel Lam for (int i = 0; i < NUM_BUFFER_SLOTS; i++) { 8616b091c53000c843211c218ce40287a7edca9bc63Daniel Lam freeBufferLocked(i); 8626b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 8636b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 8646b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 865fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennisstatus_t BufferQueue::acquireBuffer(BufferItem *buffer) { 866546ed2d7d98ce4f1415647913a231a6b4fc6ca66Mathias Agopian ATRACE_CALL(); 867eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam Mutex::Autolock _l(mMutex); 868eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam // check if queue is empty 869eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam // In asynchronous mode the list is guaranteed to be one buffer 870eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam // deep, while in synchronous mode we use the oldest buffer. 871eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam if (!mQueue.empty()) { 872eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam Fifo::iterator front(mQueue.begin()); 873eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam int buf = *front; 874eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 875546ed2d7d98ce4f1415647913a231a6b4fc6ca66Mathias Agopian ATRACE_BUFFER_INDEX(buf); 876546ed2d7d98ce4f1415647913a231a6b4fc6ca66Mathias Agopian 877eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam if (mSlots[buf].mAcquireCalled) { 878eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam buffer->mGraphicBuffer = NULL; 879fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis } else { 880eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam buffer->mGraphicBuffer = mSlots[buf].mGraphicBuffer; 881eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam } 882eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam buffer->mCrop = mSlots[buf].mCrop; 883eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam buffer->mTransform = mSlots[buf].mTransform; 884eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam buffer->mScalingMode = mSlots[buf].mScalingMode; 885eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam buffer->mFrameNumber = mSlots[buf].mFrameNumber; 8863fcee50ffaeb745819356e395408b4d7e3239c13Daniel Lam buffer->mTimestamp = mSlots[buf].mTimestamp; 887eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam buffer->mBuf = buf; 888b42b1ac1587aebda5e2f334d95b620271fafba4eJesse Hall buffer->mFence = mSlots[buf].mFence; 889eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mSlots[buf].mAcquireCalled = true; 890eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 891eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mSlots[buf].mBufferState = BufferSlot::ACQUIRED; 892eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mQueue.erase(front); 89374ff8c23f44f1546d0c7004302f4c7ba726ff4c0Dave Burke mDequeueCondition.broadcast(); 894b42b1ac1587aebda5e2f334d95b620271fafba4eJesse Hall mSlots[buf].mFence.clear(); 8951c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis 8961c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis ATRACE_INT(mConsumerName.string(), mQueue.size()); 897fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis } else { 898fbcda930dd8b2823cfeb160fd0131f5897b7522fDaniel Lam return NO_BUFFER_AVAILABLE; 899eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam } 900eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 901eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam return OK; 902eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam} 903eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 904eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lamstatus_t BufferQueue::releaseBuffer(int buf, EGLDisplay display, 905c777b0b3b9b0ea5d8e378fccde6935765e28e329Jesse Hall EGLSyncKHR eglFence, const sp<Fence>& fence) { 906546ed2d7d98ce4f1415647913a231a6b4fc6ca66Mathias Agopian ATRACE_CALL(); 907546ed2d7d98ce4f1415647913a231a6b4fc6ca66Mathias Agopian ATRACE_BUFFER_INDEX(buf); 908546ed2d7d98ce4f1415647913a231a6b4fc6ca66Mathias Agopian 909eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam Mutex::Autolock _l(mMutex); 910eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 911eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam if (buf == INVALID_BUFFER_SLOT) { 912eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam return -EINVAL; 913eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam } 914eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 915eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mSlots[buf].mEglDisplay = display; 916c777b0b3b9b0ea5d8e378fccde6935765e28e329Jesse Hall mSlots[buf].mEglFence = eglFence; 917eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mSlots[buf].mFence = fence; 918eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 9199abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam // The buffer can now only be released if its in the acquired state 9209abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam if (mSlots[buf].mBufferState == BufferSlot::ACQUIRED) { 921eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mSlots[buf].mBufferState = BufferSlot::FREE; 9229abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam } else if (mSlots[buf].mNeedsCleanupOnRelease) { 9239abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam ST_LOGV("releasing a stale buf %d its state was %d", buf, mSlots[buf].mBufferState); 9249abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam mSlots[buf].mNeedsCleanupOnRelease = false; 9259abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam return STALE_BUFFER_SLOT; 9269abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam } else { 9279abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam ST_LOGE("attempted to release buf %d but its state was %d", buf, mSlots[buf].mBufferState); 9289abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam return -EINVAL; 929eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam } 930eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 9319abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam mDequeueCondition.broadcast(); 932eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam return OK; 933eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam} 934eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 935fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennisstatus_t BufferQueue::consumerConnect(const sp<ConsumerListener>& consumerListener) { 936fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis ST_LOGV("consumerConnect"); 937fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis Mutex::Autolock lock(mMutex); 938fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 939fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis if (mAbandoned) { 940fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis ST_LOGE("consumerConnect: BufferQueue has been abandoned!"); 941fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis return NO_INIT; 942fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis } 943fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 944fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis mConsumerListener = consumerListener; 945fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 946fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis return OK; 947fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis} 948fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 949eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lamstatus_t BufferQueue::consumerDisconnect() { 950fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis ST_LOGV("consumerDisconnect"); 951eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam Mutex::Autolock lock(mMutex); 952b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam 953fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis if (mConsumerListener == NULL) { 954fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis ST_LOGE("consumerDisconnect: No consumer is connected!"); 955fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis return -EINVAL; 956fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis } 957b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam 958fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis mAbandoned = true; 959fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis mConsumerListener = NULL; 960b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam mQueue.clear(); 961eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam freeAllBuffersLocked(); 96274ff8c23f44f1546d0c7004302f4c7ba726ff4c0Dave Burke mDequeueCondition.broadcast(); 963eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam return OK; 964eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam} 965eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 966fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennisstatus_t BufferQueue::getReleasedBuffers(uint32_t* slotMask) { 967fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis ST_LOGV("getReleasedBuffers"); 968fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis Mutex::Autolock lock(mMutex); 969fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 970fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis if (mAbandoned) { 971fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis ST_LOGE("getReleasedBuffers: BufferQueue has been abandoned!"); 972fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis return NO_INIT; 973fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis } 974fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 975fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis uint32_t mask = 0; 976fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis for (int i = 0; i < NUM_BUFFER_SLOTS; i++) { 977fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis if (!mSlots[i].mAcquireCalled) { 978fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis mask |= 1 << i; 979fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis } 980fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis } 981fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis *slotMask = mask; 982fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 983fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis ST_LOGV("getReleasedBuffers: returning mask %#x", mask); 984fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis return NO_ERROR; 985fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis} 986fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 987eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lamstatus_t BufferQueue::setDefaultBufferSize(uint32_t w, uint32_t h) 988eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam{ 989eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam ST_LOGV("setDefaultBufferSize: w=%d, h=%d", w, h); 990eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam if (!w || !h) { 991eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam ST_LOGE("setDefaultBufferSize: dimensions cannot be 0 (w=%d, h=%d)", 992eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam w, h); 993eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam return BAD_VALUE; 994eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam } 995eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 996eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam Mutex::Autolock lock(mMutex); 997eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mDefaultWidth = w; 998eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mDefaultHeight = h; 999eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam return OK; 1000eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam} 1001eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 1002eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lamstatus_t BufferQueue::setBufferCountServer(int bufferCount) { 10031c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis ATRACE_CALL(); 1004eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam Mutex::Autolock lock(mMutex); 1005eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam return setBufferCountServerLocked(bufferCount); 1006eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam} 1007eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 10086b091c53000c843211c218ce40287a7edca9bc63Daniel Lamvoid BufferQueue::freeAllBuffersExceptHeadLocked() { 10096b091c53000c843211c218ce40287a7edca9bc63Daniel Lam int head = -1; 10106b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (!mQueue.empty()) { 10116b091c53000c843211c218ce40287a7edca9bc63Daniel Lam Fifo::iterator front(mQueue.begin()); 10126b091c53000c843211c218ce40287a7edca9bc63Daniel Lam head = *front; 10136b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 1014eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mBufferHasBeenQueued = false; 10156b091c53000c843211c218ce40287a7edca9bc63Daniel Lam for (int i = 0; i < NUM_BUFFER_SLOTS; i++) { 10166b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (i != head) { 10176b091c53000c843211c218ce40287a7edca9bc63Daniel Lam freeBufferLocked(i); 10186b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 10196b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 10206b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 10216b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 10226b091c53000c843211c218ce40287a7edca9bc63Daniel Lamstatus_t BufferQueue::drainQueueLocked() { 10236b091c53000c843211c218ce40287a7edca9bc63Daniel Lam while (mSynchronousMode && !mQueue.isEmpty()) { 10246b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mDequeueCondition.wait(mMutex); 10256b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mAbandoned) { 10266b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("drainQueueLocked: BufferQueue has been abandoned!"); 10276b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return NO_INIT; 10286b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 10296b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mConnectedApi == NO_CONNECTED_API) { 10306b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("drainQueueLocked: BufferQueue is not connected!"); 10316b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return NO_INIT; 10326b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 10336b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 10346b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return NO_ERROR; 10356b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 10366b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 10376b091c53000c843211c218ce40287a7edca9bc63Daniel Lamstatus_t BufferQueue::drainQueueAndFreeBuffersLocked() { 10386b091c53000c843211c218ce40287a7edca9bc63Daniel Lam status_t err = drainQueueLocked(); 10396b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (err == NO_ERROR) { 10406b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mSynchronousMode) { 10416b091c53000c843211c218ce40287a7edca9bc63Daniel Lam freeAllBuffersLocked(); 10426b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } else { 10436b091c53000c843211c218ce40287a7edca9bc63Daniel Lam freeAllBuffersExceptHeadLocked(); 10446b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 10456b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 10466b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return err; 10476b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 10486b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 1049fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie GennisBufferQueue::ProxyConsumerListener::ProxyConsumerListener( 1050fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis const wp<BufferQueue::ConsumerListener>& consumerListener): 1051fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis mConsumerListener(consumerListener) {} 1052fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 1053fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie GennisBufferQueue::ProxyConsumerListener::~ProxyConsumerListener() {} 1054fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 1055fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennisvoid BufferQueue::ProxyConsumerListener::onFrameAvailable() { 1056fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis sp<BufferQueue::ConsumerListener> listener(mConsumerListener.promote()); 1057fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis if (listener != NULL) { 1058fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis listener->onFrameAvailable(); 1059fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis } 1060fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis} 1061fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 1062fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennisvoid BufferQueue::ProxyConsumerListener::onBuffersReleased() { 1063fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis sp<BufferQueue::ConsumerListener> listener(mConsumerListener.promote()); 1064fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis if (listener != NULL) { 1065fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis listener->onBuffersReleased(); 1066fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis } 1067fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis} 1068fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 10696b091c53000c843211c218ce40287a7edca9bc63Daniel Lam}; // namespace android 1070