BufferQueue.cpp revision abe61bfda4938abd932465e27c29ba9e41aea606
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) \ 60546ed2d7d98ce4f1415647913a231a6b4fc6ca66Mathias Agopian char ___traceBuf[1024]; \ 61546ed2d7d98ce4f1415647913a231a6b4fc6ca66Mathias Agopian snprintf(___traceBuf, 1024, "%s: %d", mConsumerName.string(), (index)); \ 62546ed2d7d98ce4f1415647913a231a6b4fc6ca66Mathias Agopian android::ScopedTrace ___bufTracer(ATRACE_TAG, ___traceBuf); 63546ed2d7d98ce4f1415647913a231a6b4fc6ca66Mathias Agopian 646b091c53000c843211c218ce40287a7edca9bc63Daniel Lamnamespace android { 656b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 666b091c53000c843211c218ce40287a7edca9bc63Daniel Lam// Get an ID that's unique within this process. 676b091c53000c843211c218ce40287a7edca9bc63Daniel Lamstatic int32_t createProcessUniqueId() { 686b091c53000c843211c218ce40287a7edca9bc63Daniel Lam static volatile int32_t globalCounter = 0; 696b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return android_atomic_inc(&globalCounter); 706b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 716b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 72abe61bfda4938abd932465e27c29ba9e41aea606Daniel LamBufferQueue::BufferQueue( bool allowSynchronousMode, int bufferCount ) : 736b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mDefaultWidth(1), 746b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mDefaultHeight(1), 756b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mPixelFormat(PIXEL_FORMAT_RGBA_8888), 76abe61bfda4938abd932465e27c29ba9e41aea606Daniel Lam mMinUndequeuedBuffers(bufferCount), 77abe61bfda4938abd932465e27c29ba9e41aea606Daniel Lam mMinAsyncBufferSlots(bufferCount + 1), 78abe61bfda4938abd932465e27c29ba9e41aea606Daniel Lam mMinSyncBufferSlots(bufferCount), 79abe61bfda4938abd932465e27c29ba9e41aea606Daniel Lam mBufferCount(mMinAsyncBufferSlots), 806b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mClientBufferCount(0), 81abe61bfda4938abd932465e27c29ba9e41aea606Daniel Lam mServerBufferCount(mMinAsyncBufferSlots), 826b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSynchronousMode(false), 836b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mAllowSynchronousMode(allowSynchronousMode), 846b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mConnectedApi(NO_CONNECTED_API), 856b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mAbandoned(false), 86eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mFrameCounter(0), 87b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam mBufferHasBeenQueued(false), 88b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam mDefaultBufferFormat(0), 89b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam mConsumerUsageBits(0), 90b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam mTransformHint(0) 916b091c53000c843211c218ce40287a7edca9bc63Daniel Lam{ 926b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // Choose a name using the PID and a process-unique ID. 93eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mConsumerName = String8::format("unnamed-%d-%d", getpid(), createProcessUniqueId()); 946b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 956b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGV("BufferQueue"); 966b091c53000c843211c218ce40287a7edca9bc63Daniel Lam sp<ISurfaceComposer> composer(ComposerService::getComposerService()); 976b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mGraphicBufferAlloc = composer->createGraphicBufferAlloc(); 98abe61bfda4938abd932465e27c29ba9e41aea606Daniel Lam if (mGraphicBufferAlloc == 0) { 99abe61bfda4938abd932465e27c29ba9e41aea606Daniel Lam ST_LOGE("createGraphicBufferAlloc() failed in BufferQueue()"); 100abe61bfda4938abd932465e27c29ba9e41aea606Daniel Lam } 1016b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 1026b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 1036b091c53000c843211c218ce40287a7edca9bc63Daniel LamBufferQueue::~BufferQueue() { 1046b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGV("~BufferQueue"); 1056b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 1066b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 1076b091c53000c843211c218ce40287a7edca9bc63Daniel Lamstatus_t BufferQueue::setBufferCountServerLocked(int bufferCount) { 1086b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (bufferCount > NUM_BUFFER_SLOTS) 1096b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return BAD_VALUE; 1106b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 1116b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // special-case, nothing to do 1126b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (bufferCount == mBufferCount) 1136b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return OK; 1146b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 1156b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (!mClientBufferCount && 1166b091c53000c843211c218ce40287a7edca9bc63Daniel Lam bufferCount >= mBufferCount) { 1176b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // easy, we just have more buffers 1186b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mBufferCount = bufferCount; 1196b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mServerBufferCount = bufferCount; 12074ff8c23f44f1546d0c7004302f4c7ba726ff4c0Dave Burke mDequeueCondition.broadcast(); 1216b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } else { 1226b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // we're here because we're either 1236b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // - reducing the number of available buffers 1246b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // - or there is a client-buffer-count in effect 1256b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 1266b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // less than 2 buffers is never allowed 1276b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (bufferCount < 2) 1286b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return BAD_VALUE; 1296b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 1306b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // when there is non client-buffer-count in effect, the client is not 1316b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // allowed to dequeue more than one buffer at a time, 1326b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // so the next time they dequeue a buffer, we know that they don't 1336b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // own one. the actual resizing will happen during the next 1346b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // dequeueBuffer. 1356b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 1366b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mServerBufferCount = bufferCount; 137b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam mDequeueCondition.broadcast(); 1386b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 1396b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return OK; 1406b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 1416b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 142eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lambool BufferQueue::isSynchronousMode() const { 143eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam Mutex::Autolock lock(mMutex); 144eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam return mSynchronousMode; 145eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam} 146eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 147eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lamvoid BufferQueue::setConsumerName(const String8& name) { 148eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam Mutex::Autolock lock(mMutex); 149eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mConsumerName = name; 150eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam} 151eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 152b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lamstatus_t BufferQueue::setDefaultBufferFormat(uint32_t defaultFormat) { 153b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam Mutex::Autolock lock(mMutex); 154b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam mDefaultBufferFormat = defaultFormat; 155b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam return OK; 156b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam} 157b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam 158b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lamstatus_t BufferQueue::setConsumerUsageBits(uint32_t usage) { 159b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam Mutex::Autolock lock(mMutex); 160b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam mConsumerUsageBits = usage; 161b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam return OK; 162b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam} 163b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam 164b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lamstatus_t BufferQueue::setTransformHint(uint32_t hint) { 165b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam Mutex::Autolock lock(mMutex); 166b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam mTransformHint = hint; 167b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam return OK; 168b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam} 169b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam 1706b091c53000c843211c218ce40287a7edca9bc63Daniel Lamstatus_t BufferQueue::setBufferCount(int bufferCount) { 1716b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGV("setBufferCount: count=%d", bufferCount); 1726b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 1739abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam sp<ConsumerListener> listener; 1749abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam { 1759abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam Mutex::Autolock lock(mMutex); 1766b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 1779abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam if (mAbandoned) { 1789abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam ST_LOGE("setBufferCount: SurfaceTexture has been abandoned!"); 1799abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam return NO_INIT; 1809abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam } 1819abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam if (bufferCount > NUM_BUFFER_SLOTS) { 1829abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam ST_LOGE("setBufferCount: bufferCount larger than slots available"); 1839abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam return BAD_VALUE; 1846b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 1856b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 1869abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam // Error out if the user has dequeued buffers 1879abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam for (int i=0 ; i<mBufferCount ; i++) { 1889abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam if (mSlots[i].mBufferState == BufferSlot::DEQUEUED) { 1899abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam ST_LOGE("setBufferCount: client owns some buffers"); 1909abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam return -EINVAL; 1919abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam } 1929abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam } 1936b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 1949abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam const int minBufferSlots = mSynchronousMode ? 195abe61bfda4938abd932465e27c29ba9e41aea606Daniel Lam mMinSyncBufferSlots : mMinAsyncBufferSlots; 1969abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam if (bufferCount == 0) { 1979abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam mClientBufferCount = 0; 1989abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam bufferCount = (mServerBufferCount >= minBufferSlots) ? 1999abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam mServerBufferCount : minBufferSlots; 2009abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam return setBufferCountServerLocked(bufferCount); 2019abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam } 2029abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam 2039abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam if (bufferCount < minBufferSlots) { 2049abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam ST_LOGE("setBufferCount: requested buffer count (%d) is less than " 2059abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam "minimum (%d)", bufferCount, minBufferSlots); 2069abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam return BAD_VALUE; 2079abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam } 2089abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam 2099abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam // here we're guaranteed that the client doesn't have dequeued buffers 2109abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam // and will release all of its buffer references. 2119abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam freeAllBuffersLocked(); 2129abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam mBufferCount = bufferCount; 2139abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam mClientBufferCount = bufferCount; 2149abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam mBufferHasBeenQueued = false; 2159abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam mQueue.clear(); 2169abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam mDequeueCondition.broadcast(); 2179abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam listener = mConsumerListener; 2189abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam } // scope for lock 2199abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam 2209abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam if (listener != NULL) { 2219abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam listener->onBuffersReleased(); 2226b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 2236b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 2246b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return OK; 2256b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 2266b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 227b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lamint BufferQueue::query(int what, int* outValue) 228b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam{ 2291c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis ATRACE_CALL(); 230b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam Mutex::Autolock lock(mMutex); 231b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam 232b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam if (mAbandoned) { 233b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam ST_LOGE("query: SurfaceTexture has been abandoned!"); 234b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam return NO_INIT; 235b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam } 236b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam 237b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam int value; 238b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam switch (what) { 239b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam case NATIVE_WINDOW_WIDTH: 240b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam value = mDefaultWidth; 241b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam break; 242b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam case NATIVE_WINDOW_HEIGHT: 243b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam value = mDefaultHeight; 244b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam break; 245b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam case NATIVE_WINDOW_FORMAT: 246b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam value = mPixelFormat; 247b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam break; 248b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam case NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS: 249b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam value = mSynchronousMode ? 250abe61bfda4938abd932465e27c29ba9e41aea606Daniel Lam (mMinUndequeuedBuffers-1) : mMinUndequeuedBuffers; 251b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam break; 252b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam default: 253b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam return BAD_VALUE; 254b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam } 255b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam outValue[0] = value; 256b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam return NO_ERROR; 257b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam} 258b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam 2596b091c53000c843211c218ce40287a7edca9bc63Daniel Lamstatus_t BufferQueue::requestBuffer(int slot, sp<GraphicBuffer>* buf) { 2601c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis ATRACE_CALL(); 2616b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGV("requestBuffer: slot=%d", slot); 2626b091c53000c843211c218ce40287a7edca9bc63Daniel Lam Mutex::Autolock lock(mMutex); 2636b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mAbandoned) { 2646b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("requestBuffer: SurfaceTexture has been abandoned!"); 2656b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return NO_INIT; 2666b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 2676b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (slot < 0 || mBufferCount <= slot) { 2686b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("requestBuffer: slot index out of range [0, %d]: %d", 2696b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mBufferCount, slot); 2706b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return BAD_VALUE; 2716b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 2726b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[slot].mRequestBufferCalled = true; 2736b091c53000c843211c218ce40287a7edca9bc63Daniel Lam *buf = mSlots[slot].mGraphicBuffer; 2746b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return NO_ERROR; 2756b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 2766b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 2776b091c53000c843211c218ce40287a7edca9bc63Daniel Lamstatus_t BufferQueue::dequeueBuffer(int *outBuf, uint32_t w, uint32_t h, 2786b091c53000c843211c218ce40287a7edca9bc63Daniel Lam uint32_t format, uint32_t usage) { 2791c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis ATRACE_CALL(); 2806b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGV("dequeueBuffer: w=%d h=%d fmt=%#x usage=%#x", w, h, format, usage); 2816b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 2826b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if ((w && !h) || (!w && h)) { 2836b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("dequeueBuffer: invalid size: w=%u, h=%u", w, h); 2846b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return BAD_VALUE; 2856b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 2866b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 2876b091c53000c843211c218ce40287a7edca9bc63Daniel Lam status_t returnFlags(OK); 2886b091c53000c843211c218ce40287a7edca9bc63Daniel Lam EGLDisplay dpy = EGL_NO_DISPLAY; 2896b091c53000c843211c218ce40287a7edca9bc63Daniel Lam EGLSyncKHR fence = EGL_NO_SYNC_KHR; 2906b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 2916b091c53000c843211c218ce40287a7edca9bc63Daniel Lam { // Scope for the lock 2926b091c53000c843211c218ce40287a7edca9bc63Daniel Lam Mutex::Autolock lock(mMutex); 2936b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 294b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam if (format == 0) { 295b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam format = mDefaultBufferFormat; 296b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam } 297b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam // turn on usage bits the consumer requested 298b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam usage |= mConsumerUsageBits; 299b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam 3006b091c53000c843211c218ce40287a7edca9bc63Daniel Lam int found = -1; 3016b091c53000c843211c218ce40287a7edca9bc63Daniel Lam int foundSync = -1; 3026b091c53000c843211c218ce40287a7edca9bc63Daniel Lam int dequeuedCount = 0; 3036b091c53000c843211c218ce40287a7edca9bc63Daniel Lam bool tryAgain = true; 3046b091c53000c843211c218ce40287a7edca9bc63Daniel Lam while (tryAgain) { 3056b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mAbandoned) { 3066b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("dequeueBuffer: SurfaceTexture has been abandoned!"); 3076b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return NO_INIT; 3086b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 3096b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 3106b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // We need to wait for the FIFO to drain if the number of buffer 3116b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // needs to change. 3126b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // 3136b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // The condition "number of buffers needs to change" is true if 3146b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // - the client doesn't care about how many buffers there are 3156b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // - AND the actual number of buffer is different from what was 3166b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // set in the last setBufferCountServer() 3176b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // - OR - 3186b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // setBufferCountServer() was set to a value incompatible with 3196b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // the synchronization mode (for instance because the sync mode 3206b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // changed since) 3216b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // 3226b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // As long as this condition is true AND the FIFO is not empty, we 3236b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // wait on mDequeueCondition. 3246b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 3256b091c53000c843211c218ce40287a7edca9bc63Daniel Lam const int minBufferCountNeeded = mSynchronousMode ? 326abe61bfda4938abd932465e27c29ba9e41aea606Daniel Lam mMinSyncBufferSlots : mMinAsyncBufferSlots; 3276b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 3286b091c53000c843211c218ce40287a7edca9bc63Daniel Lam const bool numberOfBuffersNeedsToChange = !mClientBufferCount && 3296b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ((mServerBufferCount != mBufferCount) || 3306b091c53000c843211c218ce40287a7edca9bc63Daniel Lam (mServerBufferCount < minBufferCountNeeded)); 3316b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 3326b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (!mQueue.isEmpty() && numberOfBuffersNeedsToChange) { 3336b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // wait for the FIFO to drain 3346b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mDequeueCondition.wait(mMutex); 3356b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // NOTE: we continue here because we need to reevaluate our 3366b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // whole state (eg: we could be abandoned or disconnected) 3376b091c53000c843211c218ce40287a7edca9bc63Daniel Lam continue; 3386b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 3396b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 3406b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (numberOfBuffersNeedsToChange) { 3416b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // here we're guaranteed that mQueue is empty 3426b091c53000c843211c218ce40287a7edca9bc63Daniel Lam freeAllBuffersLocked(); 3436b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mBufferCount = mServerBufferCount; 3446b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mBufferCount < minBufferCountNeeded) 3456b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mBufferCount = minBufferCountNeeded; 346eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mBufferHasBeenQueued = false; 3476b091c53000c843211c218ce40287a7edca9bc63Daniel Lam returnFlags |= ISurfaceTexture::RELEASE_ALL_BUFFERS; 3486b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 3496b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 3506b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // look for a free buffer to give to the client 3516b091c53000c843211c218ce40287a7edca9bc63Daniel Lam found = INVALID_BUFFER_SLOT; 3526b091c53000c843211c218ce40287a7edca9bc63Daniel Lam foundSync = INVALID_BUFFER_SLOT; 3536b091c53000c843211c218ce40287a7edca9bc63Daniel Lam dequeuedCount = 0; 3546b091c53000c843211c218ce40287a7edca9bc63Daniel Lam for (int i = 0; i < mBufferCount; i++) { 3556b091c53000c843211c218ce40287a7edca9bc63Daniel Lam const int state = mSlots[i].mBufferState; 3566b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (state == BufferSlot::DEQUEUED) { 3576b091c53000c843211c218ce40287a7edca9bc63Daniel Lam dequeuedCount++; 3586b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 3596b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 360eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam // this logic used to be if (FLAG_ALLOW_DEQUEUE_CURRENT_BUFFER) 361eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam // but dequeuing the current buffer is disabled. 362eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam if (false) { 363eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam // This functionality has been temporarily removed so 364eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam // BufferQueue and SurfaceTexture can be refactored into 365eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam // separate objects 3666b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } else { 3676b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (state == BufferSlot::FREE) { 3686b091c53000c843211c218ce40287a7edca9bc63Daniel Lam /* We return the oldest of the free buffers to avoid 3696b091c53000c843211c218ce40287a7edca9bc63Daniel Lam * stalling the producer if possible. This is because 3706b091c53000c843211c218ce40287a7edca9bc63Daniel Lam * the consumer may still have pending reads of the 3716b091c53000c843211c218ce40287a7edca9bc63Daniel Lam * buffers in flight. 3726b091c53000c843211c218ce40287a7edca9bc63Daniel Lam */ 3736b091c53000c843211c218ce40287a7edca9bc63Daniel Lam bool isOlder = mSlots[i].mFrameNumber < 3746b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[found].mFrameNumber; 3756b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (found < 0 || isOlder) { 3766b091c53000c843211c218ce40287a7edca9bc63Daniel Lam foundSync = i; 3776b091c53000c843211c218ce40287a7edca9bc63Daniel Lam found = i; 3786b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 3796b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 3806b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 3816b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 3826b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 3836b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // clients are not allowed to dequeue more than one buffer 3846b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // if they didn't set a buffer count. 3856b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (!mClientBufferCount && dequeuedCount) { 3866b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("dequeueBuffer: can't dequeue multiple buffers without " 3876b091c53000c843211c218ce40287a7edca9bc63Daniel Lam "setting the buffer count"); 3886b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return -EINVAL; 3896b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 3906b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 3916b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // See whether a buffer has been queued since the last 3926b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // setBufferCount so we know whether to perform the 393abe61bfda4938abd932465e27c29ba9e41aea606Daniel Lam // mMinUndequeuedBuffers check below. 394eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam if (mBufferHasBeenQueued) { 3956b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // make sure the client is not trying to dequeue more buffers 3966b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // than allowed. 3976b091c53000c843211c218ce40287a7edca9bc63Daniel Lam const int avail = mBufferCount - (dequeuedCount+1); 398abe61bfda4938abd932465e27c29ba9e41aea606Daniel Lam if (avail < (mMinUndequeuedBuffers-int(mSynchronousMode))) { 399abe61bfda4938abd932465e27c29ba9e41aea606Daniel Lam ST_LOGE("dequeueBuffer: mMinUndequeuedBuffers=%d exceeded " 4006b091c53000c843211c218ce40287a7edca9bc63Daniel Lam "(dequeued=%d)", 401abe61bfda4938abd932465e27c29ba9e41aea606Daniel Lam mMinUndequeuedBuffers-int(mSynchronousMode), 4026b091c53000c843211c218ce40287a7edca9bc63Daniel Lam dequeuedCount); 4036b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return -EBUSY; 4046b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 4056b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 4066b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 407c2c1f2f24cd70bdcf1958157bab38467bf0fdc71Daniel Lam // if no buffer is found, wait for a buffer to be released 408c2c1f2f24cd70bdcf1958157bab38467bf0fdc71Daniel Lam tryAgain = found == INVALID_BUFFER_SLOT; 4096b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (tryAgain) { 4106b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mDequeueCondition.wait(mMutex); 4116b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 4126b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 4136b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 4146b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 4156b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (found == INVALID_BUFFER_SLOT) { 4166b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // This should not happen. 4176b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("dequeueBuffer: no available buffer slots"); 4186b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return -EBUSY; 4196b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 4206b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 4216b091c53000c843211c218ce40287a7edca9bc63Daniel Lam const int buf = found; 4226b091c53000c843211c218ce40287a7edca9bc63Daniel Lam *outBuf = found; 4236b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 424546ed2d7d98ce4f1415647913a231a6b4fc6ca66Mathias Agopian ATRACE_BUFFER_INDEX(buf); 425546ed2d7d98ce4f1415647913a231a6b4fc6ca66Mathias Agopian 4266b091c53000c843211c218ce40287a7edca9bc63Daniel Lam const bool useDefaultSize = !w && !h; 4276b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (useDefaultSize) { 4286b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // use the default size 4296b091c53000c843211c218ce40287a7edca9bc63Daniel Lam w = mDefaultWidth; 4306b091c53000c843211c218ce40287a7edca9bc63Daniel Lam h = mDefaultHeight; 4316b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 4326b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 4336b091c53000c843211c218ce40287a7edca9bc63Daniel Lam const bool updateFormat = (format != 0); 4346b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (!updateFormat) { 4356b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // keep the current (or default) format 4366b091c53000c843211c218ce40287a7edca9bc63Daniel Lam format = mPixelFormat; 4376b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 4386b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 4396b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // buffer is now in DEQUEUED (but can also be current at the same time, 4406b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // if we're in synchronous mode) 4416b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[buf].mBufferState = BufferSlot::DEQUEUED; 4426b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 4436b091c53000c843211c218ce40287a7edca9bc63Daniel Lam const sp<GraphicBuffer>& buffer(mSlots[buf].mGraphicBuffer); 4446b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if ((buffer == NULL) || 4456b091c53000c843211c218ce40287a7edca9bc63Daniel Lam (uint32_t(buffer->width) != w) || 4466b091c53000c843211c218ce40287a7edca9bc63Daniel Lam (uint32_t(buffer->height) != h) || 4476b091c53000c843211c218ce40287a7edca9bc63Daniel Lam (uint32_t(buffer->format) != format) || 4486b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ((uint32_t(buffer->usage) & usage) != usage)) 4496b091c53000c843211c218ce40287a7edca9bc63Daniel Lam { 4506b091c53000c843211c218ce40287a7edca9bc63Daniel Lam usage |= GraphicBuffer::USAGE_HW_TEXTURE; 4516b091c53000c843211c218ce40287a7edca9bc63Daniel Lam status_t error; 4526b091c53000c843211c218ce40287a7edca9bc63Daniel Lam sp<GraphicBuffer> graphicBuffer( 4536b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mGraphicBufferAlloc->createGraphicBuffer( 4546b091c53000c843211c218ce40287a7edca9bc63Daniel Lam w, h, format, usage, &error)); 4556b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (graphicBuffer == 0) { 4566b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("dequeueBuffer: SurfaceComposer::createGraphicBuffer " 4576b091c53000c843211c218ce40287a7edca9bc63Daniel Lam "failed"); 4586b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return error; 4596b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 4606b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (updateFormat) { 4616b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mPixelFormat = format; 4626b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 463eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 464eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mSlots[buf].mAcquireCalled = false; 4656b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[buf].mGraphicBuffer = graphicBuffer; 4666b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[buf].mRequestBufferCalled = false; 4676b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[buf].mFence = EGL_NO_SYNC_KHR; 468eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mSlots[buf].mEglDisplay = EGL_NO_DISPLAY; 469eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 4706b091c53000c843211c218ce40287a7edca9bc63Daniel Lam returnFlags |= ISurfaceTexture::BUFFER_NEEDS_REALLOCATION; 4716b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 4726b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 4736b091c53000c843211c218ce40287a7edca9bc63Daniel Lam dpy = mSlots[buf].mEglDisplay; 4746b091c53000c843211c218ce40287a7edca9bc63Daniel Lam fence = mSlots[buf].mFence; 4756b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[buf].mFence = EGL_NO_SYNC_KHR; 476eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam } // end lock scope 4776b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 4786b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (fence != EGL_NO_SYNC_KHR) { 4796b091c53000c843211c218ce40287a7edca9bc63Daniel Lam EGLint result = eglClientWaitSyncKHR(dpy, fence, 0, 1000000000); 4806b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // If something goes wrong, log the error, but return the buffer without 4816b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // synchronizing access to it. It's too late at this point to abort the 4826b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // dequeue operation. 4836b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (result == EGL_FALSE) { 4846b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ALOGE("dequeueBuffer: error waiting for fence: %#x", eglGetError()); 4856b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } else if (result == EGL_TIMEOUT_EXPIRED_KHR) { 4866b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ALOGE("dequeueBuffer: timeout waiting for fence"); 4876b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 4886b091c53000c843211c218ce40287a7edca9bc63Daniel Lam eglDestroySyncKHR(dpy, fence); 4896b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 4906b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 4916b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGV("dequeueBuffer: returning slot=%d buf=%p flags=%#x", *outBuf, 4926b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[*outBuf].mGraphicBuffer->handle, returnFlags); 4936b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 4946b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return returnFlags; 4956b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 4966b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 4976b091c53000c843211c218ce40287a7edca9bc63Daniel Lamstatus_t BufferQueue::setSynchronousMode(bool enabled) { 4981c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis ATRACE_CALL(); 4996b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGV("setSynchronousMode: enabled=%d", enabled); 5006b091c53000c843211c218ce40287a7edca9bc63Daniel Lam Mutex::Autolock lock(mMutex); 5016b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 5026b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mAbandoned) { 5036b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("setSynchronousMode: SurfaceTexture has been abandoned!"); 5046b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return NO_INIT; 5056b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 5066b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 5076b091c53000c843211c218ce40287a7edca9bc63Daniel Lam status_t err = OK; 5086b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (!mAllowSynchronousMode && enabled) 5096b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return err; 5106b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 5116b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (!enabled) { 5126b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // going to asynchronous mode, drain the queue 5136b091c53000c843211c218ce40287a7edca9bc63Daniel Lam err = drainQueueLocked(); 5146b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (err != NO_ERROR) 5156b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return err; 5166b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 5176b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 5186b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mSynchronousMode != enabled) { 5196b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // - if we're going to asynchronous mode, the queue is guaranteed to be 5206b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // empty here 5216b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // - if the client set the number of buffers, we're guaranteed that 5226b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // we have at least 3 (because we don't allow less) 5236b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSynchronousMode = enabled; 52474ff8c23f44f1546d0c7004302f4c7ba726ff4c0Dave Burke mDequeueCondition.broadcast(); 5256b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 5266b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return err; 5276b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 5286b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 5296b091c53000c843211c218ce40287a7edca9bc63Daniel Lamstatus_t BufferQueue::queueBuffer(int buf, int64_t timestamp, 530851ef8f1bfbb164d61b1528a529a464f0a60dbafMathias Agopian const Rect& crop, int scalingMode, uint32_t transform, 5316b091c53000c843211c218ce40287a7edca9bc63Daniel Lam uint32_t* outWidth, uint32_t* outHeight, uint32_t* outTransform) { 5321c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis ATRACE_CALL(); 533546ed2d7d98ce4f1415647913a231a6b4fc6ca66Mathias Agopian ATRACE_BUFFER_INDEX(buf); 534546ed2d7d98ce4f1415647913a231a6b4fc6ca66Mathias Agopian 5356b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGV("queueBuffer: slot=%d time=%lld", buf, timestamp); 5366b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 537fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis sp<ConsumerListener> listener; 5386b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 5396b091c53000c843211c218ce40287a7edca9bc63Daniel Lam { // scope for the lock 5406b091c53000c843211c218ce40287a7edca9bc63Daniel Lam Mutex::Autolock lock(mMutex); 5416b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mAbandoned) { 5426b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("queueBuffer: SurfaceTexture has been abandoned!"); 5436b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return NO_INIT; 5446b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 5456b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (buf < 0 || buf >= mBufferCount) { 5466b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("queueBuffer: slot index out of range [0, %d]: %d", 5476b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mBufferCount, buf); 5486b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return -EINVAL; 5496b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } else if (mSlots[buf].mBufferState != BufferSlot::DEQUEUED) { 5506b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("queueBuffer: slot %d is not owned by the client " 5516b091c53000c843211c218ce40287a7edca9bc63Daniel Lam "(state=%d)", buf, mSlots[buf].mBufferState); 5526b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return -EINVAL; 5536b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } else if (!mSlots[buf].mRequestBufferCalled) { 5546b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("queueBuffer: slot %d was enqueued without requesting a " 5556b091c53000c843211c218ce40287a7edca9bc63Daniel Lam "buffer", buf); 5566b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return -EINVAL; 5576b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 5586b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 5596b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mSynchronousMode) { 5606b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // In synchronous mode we queue all buffers in a FIFO. 5616b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mQueue.push_back(buf); 5626b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 5636b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // Synchronous mode always signals that an additional frame should 5646b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // be consumed. 565fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis listener = mConsumerListener; 5666b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } else { 5676b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // In asynchronous mode we only keep the most recent buffer. 5686b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mQueue.empty()) { 5696b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mQueue.push_back(buf); 5706b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 5716b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // Asynchronous mode only signals that a frame should be 5726b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // consumed if no previous frame was pending. If a frame were 5736b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // pending then the consumer would have already been notified. 574fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis listener = mConsumerListener; 5756b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } else { 5766b091c53000c843211c218ce40287a7edca9bc63Daniel Lam Fifo::iterator front(mQueue.begin()); 5776b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // buffer currently queued is freed 5786b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[*front].mBufferState = BufferSlot::FREE; 5796b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // and we record the new buffer index in the queued list 5806b091c53000c843211c218ce40287a7edca9bc63Daniel Lam *front = buf; 5816b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 5826b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 5836b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 584851ef8f1bfbb164d61b1528a529a464f0a60dbafMathias Agopian switch (scalingMode) { 585851ef8f1bfbb164d61b1528a529a464f0a60dbafMathias Agopian case NATIVE_WINDOW_SCALING_MODE_FREEZE: 586851ef8f1bfbb164d61b1528a529a464f0a60dbafMathias Agopian case NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW: 587851ef8f1bfbb164d61b1528a529a464f0a60dbafMathias Agopian break; 588851ef8f1bfbb164d61b1528a529a464f0a60dbafMathias Agopian default: 589851ef8f1bfbb164d61b1528a529a464f0a60dbafMathias Agopian ST_LOGE("unknown scaling mode: %d (ignoring)", scalingMode); 590851ef8f1bfbb164d61b1528a529a464f0a60dbafMathias Agopian scalingMode = mSlots[buf].mScalingMode; 591851ef8f1bfbb164d61b1528a529a464f0a60dbafMathias Agopian break; 592851ef8f1bfbb164d61b1528a529a464f0a60dbafMathias Agopian } 593851ef8f1bfbb164d61b1528a529a464f0a60dbafMathias Agopian 5946b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[buf].mBufferState = BufferSlot::QUEUED; 595851ef8f1bfbb164d61b1528a529a464f0a60dbafMathias Agopian mSlots[buf].mCrop = crop; 596851ef8f1bfbb164d61b1528a529a464f0a60dbafMathias Agopian mSlots[buf].mTransform = transform; 597851ef8f1bfbb164d61b1528a529a464f0a60dbafMathias Agopian mSlots[buf].mScalingMode = scalingMode; 5986b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[buf].mTimestamp = timestamp; 5996b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mFrameCounter++; 6006b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[buf].mFrameNumber = mFrameCounter; 6016b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 602eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mBufferHasBeenQueued = true; 60374ff8c23f44f1546d0c7004302f4c7ba726ff4c0Dave Burke mDequeueCondition.broadcast(); 6046b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 6056b091c53000c843211c218ce40287a7edca9bc63Daniel Lam *outWidth = mDefaultWidth; 6066b091c53000c843211c218ce40287a7edca9bc63Daniel Lam *outHeight = mDefaultHeight; 607b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam *outTransform = mTransformHint; 6081c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis 6091c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis ATRACE_INT(mConsumerName.string(), mQueue.size()); 6106b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } // scope for the lock 6116b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 6126b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // call back without lock held 6136b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (listener != 0) { 6146b091c53000c843211c218ce40287a7edca9bc63Daniel Lam listener->onFrameAvailable(); 6156b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 6166b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return OK; 6176b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 6186b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 6196b091c53000c843211c218ce40287a7edca9bc63Daniel Lamvoid BufferQueue::cancelBuffer(int buf) { 6201c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis ATRACE_CALL(); 6216b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGV("cancelBuffer: slot=%d", buf); 6226b091c53000c843211c218ce40287a7edca9bc63Daniel Lam Mutex::Autolock lock(mMutex); 6236b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 6246b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mAbandoned) { 6256b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGW("cancelBuffer: BufferQueue has been abandoned!"); 6266b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return; 6276b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 6286b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 6296b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (buf < 0 || buf >= mBufferCount) { 6306b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("cancelBuffer: slot index out of range [0, %d]: %d", 6316b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mBufferCount, buf); 6326b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return; 6336b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } else if (mSlots[buf].mBufferState != BufferSlot::DEQUEUED) { 6346b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("cancelBuffer: slot %d is not owned by the client (state=%d)", 6356b091c53000c843211c218ce40287a7edca9bc63Daniel Lam buf, mSlots[buf].mBufferState); 6366b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return; 6376b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 6386b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[buf].mBufferState = BufferSlot::FREE; 6396b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[buf].mFrameNumber = 0; 64074ff8c23f44f1546d0c7004302f4c7ba726ff4c0Dave Burke mDequeueCondition.broadcast(); 6416b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 6426b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 6436b091c53000c843211c218ce40287a7edca9bc63Daniel Lamstatus_t BufferQueue::connect(int api, 6446b091c53000c843211c218ce40287a7edca9bc63Daniel Lam uint32_t* outWidth, uint32_t* outHeight, uint32_t* outTransform) { 6451c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis ATRACE_CALL(); 6466b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGV("connect: api=%d", api); 6476b091c53000c843211c218ce40287a7edca9bc63Daniel Lam Mutex::Autolock lock(mMutex); 6486b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 6496b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mAbandoned) { 6506b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("connect: BufferQueue has been abandoned!"); 6516b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return NO_INIT; 6526b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 6536b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 654fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis if (mConsumerListener == NULL) { 655fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis ST_LOGE("connect: BufferQueue has no consumer!"); 656fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis return NO_INIT; 657fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis } 658fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 6596b091c53000c843211c218ce40287a7edca9bc63Daniel Lam int err = NO_ERROR; 6606b091c53000c843211c218ce40287a7edca9bc63Daniel Lam switch (api) { 6616b091c53000c843211c218ce40287a7edca9bc63Daniel Lam case NATIVE_WINDOW_API_EGL: 6626b091c53000c843211c218ce40287a7edca9bc63Daniel Lam case NATIVE_WINDOW_API_CPU: 6636b091c53000c843211c218ce40287a7edca9bc63Daniel Lam case NATIVE_WINDOW_API_MEDIA: 6646b091c53000c843211c218ce40287a7edca9bc63Daniel Lam case NATIVE_WINDOW_API_CAMERA: 6656b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mConnectedApi != NO_CONNECTED_API) { 6666b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("connect: already connected (cur=%d, req=%d)", 6676b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mConnectedApi, api); 6686b091c53000c843211c218ce40287a7edca9bc63Daniel Lam err = -EINVAL; 6696b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } else { 6706b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mConnectedApi = api; 6716b091c53000c843211c218ce40287a7edca9bc63Daniel Lam *outWidth = mDefaultWidth; 6726b091c53000c843211c218ce40287a7edca9bc63Daniel Lam *outHeight = mDefaultHeight; 6736b091c53000c843211c218ce40287a7edca9bc63Daniel Lam *outTransform = 0; 6746b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 6756b091c53000c843211c218ce40287a7edca9bc63Daniel Lam break; 6766b091c53000c843211c218ce40287a7edca9bc63Daniel Lam default: 6776b091c53000c843211c218ce40287a7edca9bc63Daniel Lam err = -EINVAL; 6786b091c53000c843211c218ce40287a7edca9bc63Daniel Lam break; 6796b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 680eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 681eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mBufferHasBeenQueued = false; 682eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 6836b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return err; 6846b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 6856b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 6866b091c53000c843211c218ce40287a7edca9bc63Daniel Lamstatus_t BufferQueue::disconnect(int api) { 6871c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis ATRACE_CALL(); 6886b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGV("disconnect: api=%d", api); 6896b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 6906b091c53000c843211c218ce40287a7edca9bc63Daniel Lam int err = NO_ERROR; 691fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis sp<ConsumerListener> listener; 692fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 693fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis { // Scope for the lock 694fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis Mutex::Autolock lock(mMutex); 695fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 696fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis if (mAbandoned) { 697fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis // it is not really an error to disconnect after the surface 698fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis // has been abandoned, it should just be a no-op. 699fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis return NO_ERROR; 700fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis } 701fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 702fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis switch (api) { 703fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis case NATIVE_WINDOW_API_EGL: 704fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis case NATIVE_WINDOW_API_CPU: 705fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis case NATIVE_WINDOW_API_MEDIA: 706fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis case NATIVE_WINDOW_API_CAMERA: 707fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis if (mConnectedApi == api) { 708fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis drainQueueAndFreeBuffersLocked(); 709fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis mConnectedApi = NO_CONNECTED_API; 710fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis mDequeueCondition.broadcast(); 711fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis listener = mConsumerListener; 712fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis } else { 713fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis ST_LOGE("disconnect: connected to another api (cur=%d, req=%d)", 714fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis mConnectedApi, api); 715fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis err = -EINVAL; 716fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis } 717fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis break; 718fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis default: 719fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis ST_LOGE("disconnect: unknown API %d", api); 7206b091c53000c843211c218ce40287a7edca9bc63Daniel Lam err = -EINVAL; 721fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis break; 722fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis } 7236b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 724fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 725fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis if (listener != NULL) { 726fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis listener->onBuffersReleased(); 727fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis } 728fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 7296b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return err; 7306b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 7316b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 732eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lamvoid BufferQueue::dump(String8& result) const 733eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam{ 734eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam char buffer[1024]; 735eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam BufferQueue::dump(result, "", buffer, 1024); 736eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam} 737eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 738eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lamvoid BufferQueue::dump(String8& result, const char* prefix, 739eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam char* buffer, size_t SIZE) const 740eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam{ 741eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam Mutex::Autolock _l(mMutex); 742eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 743eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam String8 fifo; 744eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam int fifoSize = 0; 745eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam Fifo::const_iterator i(mQueue.begin()); 746eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam while (i != mQueue.end()) { 747eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam snprintf(buffer, SIZE, "%02d ", *i++); 748eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam fifoSize++; 749eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam fifo.append(buffer); 750eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam } 751eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 752eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam snprintf(buffer, SIZE, 753eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam "%s-BufferQueue mBufferCount=%d, mSynchronousMode=%d, default-size=[%dx%d], " 754eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam "mPixelFormat=%d, FIFO(%d)={%s}\n", 755eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam prefix, mBufferCount, mSynchronousMode, mDefaultWidth, 756eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mDefaultHeight, mPixelFormat, fifoSize, fifo.string()); 757eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam result.append(buffer); 758eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 759eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 760eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam struct { 761eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam const char * operator()(int state) const { 762eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam switch (state) { 763eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam case BufferSlot::DEQUEUED: return "DEQUEUED"; 764eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam case BufferSlot::QUEUED: return "QUEUED"; 765eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam case BufferSlot::FREE: return "FREE"; 766eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam case BufferSlot::ACQUIRED: return "ACQUIRED"; 767eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam default: return "Unknown"; 768eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam } 769eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam } 770eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam } stateName; 771eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 772eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam for (int i=0 ; i<mBufferCount ; i++) { 773eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam const BufferSlot& slot(mSlots[i]); 774eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam snprintf(buffer, SIZE, 775eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam "%s%s[%02d] " 776eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam "state=%-8s, crop=[%d,%d,%d,%d], " 777eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam "transform=0x%02x, timestamp=%lld", 778eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam prefix, (slot.mBufferState == BufferSlot::ACQUIRED)?">":" ", i, 779eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam stateName(slot.mBufferState), 780eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam slot.mCrop.left, slot.mCrop.top, slot.mCrop.right, 781eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam slot.mCrop.bottom, slot.mTransform, slot.mTimestamp 782eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam ); 783eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam result.append(buffer); 784eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 785eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam const sp<GraphicBuffer>& buf(slot.mGraphicBuffer); 786eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam if (buf != NULL) { 787eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam snprintf(buffer, SIZE, 788eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam ", %p [%4ux%4u:%4u,%3X]", 789eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam buf->handle, buf->width, buf->height, buf->stride, 790eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam buf->format); 791eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam result.append(buffer); 792eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam } 793eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam result.append("\n"); 794eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam } 795eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam} 796eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 7976b091c53000c843211c218ce40287a7edca9bc63Daniel Lamvoid BufferQueue::freeBufferLocked(int i) { 7986b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[i].mGraphicBuffer = 0; 7999abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam if (mSlots[i].mBufferState == BufferSlot::ACQUIRED) { 8009abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam mSlots[i].mNeedsCleanupOnRelease = true; 8019abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam } 8026b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[i].mBufferState = BufferSlot::FREE; 8036b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[i].mFrameNumber = 0; 804eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mSlots[i].mAcquireCalled = false; 805eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 806eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam // destroy fence as BufferQueue now takes ownership 807eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam if (mSlots[i].mFence != EGL_NO_SYNC_KHR) { 808eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam eglDestroySyncKHR(mSlots[i].mEglDisplay, mSlots[i].mFence); 809eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mSlots[i].mFence = EGL_NO_SYNC_KHR; 8106b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 8116b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 8126b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 8136b091c53000c843211c218ce40287a7edca9bc63Daniel Lamvoid BufferQueue::freeAllBuffersLocked() { 8146b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ALOGW_IF(!mQueue.isEmpty(), 8156b091c53000c843211c218ce40287a7edca9bc63Daniel Lam "freeAllBuffersLocked called but mQueue is not empty"); 816eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mQueue.clear(); 817eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mBufferHasBeenQueued = false; 8186b091c53000c843211c218ce40287a7edca9bc63Daniel Lam for (int i = 0; i < NUM_BUFFER_SLOTS; i++) { 8196b091c53000c843211c218ce40287a7edca9bc63Daniel Lam freeBufferLocked(i); 8206b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 8216b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 8226b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 823fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennisstatus_t BufferQueue::acquireBuffer(BufferItem *buffer) { 824546ed2d7d98ce4f1415647913a231a6b4fc6ca66Mathias Agopian ATRACE_CALL(); 825eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam Mutex::Autolock _l(mMutex); 826eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam // check if queue is empty 827eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam // In asynchronous mode the list is guaranteed to be one buffer 828eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam // deep, while in synchronous mode we use the oldest buffer. 829eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam if (!mQueue.empty()) { 830eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam Fifo::iterator front(mQueue.begin()); 831eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam int buf = *front; 832eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 833546ed2d7d98ce4f1415647913a231a6b4fc6ca66Mathias Agopian ATRACE_BUFFER_INDEX(buf); 834546ed2d7d98ce4f1415647913a231a6b4fc6ca66Mathias Agopian 835eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam if (mSlots[buf].mAcquireCalled) { 836eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam buffer->mGraphicBuffer = NULL; 837fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis } else { 838eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam buffer->mGraphicBuffer = mSlots[buf].mGraphicBuffer; 839eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam } 840eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam buffer->mCrop = mSlots[buf].mCrop; 841eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam buffer->mTransform = mSlots[buf].mTransform; 842eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam buffer->mScalingMode = mSlots[buf].mScalingMode; 843eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam buffer->mFrameNumber = mSlots[buf].mFrameNumber; 8443fcee50ffaeb745819356e395408b4d7e3239c13Daniel Lam buffer->mTimestamp = mSlots[buf].mTimestamp; 845eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam buffer->mBuf = buf; 846eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mSlots[buf].mAcquireCalled = true; 847eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 848eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mSlots[buf].mBufferState = BufferSlot::ACQUIRED; 849eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mQueue.erase(front); 85074ff8c23f44f1546d0c7004302f4c7ba726ff4c0Dave Burke mDequeueCondition.broadcast(); 8511c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis 8521c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis ATRACE_INT(mConsumerName.string(), mQueue.size()); 853fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis } else { 854b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam // should be a better return code? 855b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam return -EINVAL; 856eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam } 857eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 858eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam return OK; 859eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam} 860eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 861eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lamstatus_t BufferQueue::releaseBuffer(int buf, EGLDisplay display, 862eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam EGLSyncKHR fence) { 863546ed2d7d98ce4f1415647913a231a6b4fc6ca66Mathias Agopian ATRACE_CALL(); 864546ed2d7d98ce4f1415647913a231a6b4fc6ca66Mathias Agopian ATRACE_BUFFER_INDEX(buf); 865546ed2d7d98ce4f1415647913a231a6b4fc6ca66Mathias Agopian 866eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam Mutex::Autolock _l(mMutex); 867eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 868eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam if (buf == INVALID_BUFFER_SLOT) { 869eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam return -EINVAL; 870eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam } 871eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 872eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mSlots[buf].mEglDisplay = display; 873eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mSlots[buf].mFence = fence; 874eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 8759abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam // The buffer can now only be released if its in the acquired state 8769abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam if (mSlots[buf].mBufferState == BufferSlot::ACQUIRED) { 877eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mSlots[buf].mBufferState = BufferSlot::FREE; 8789abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam } else if (mSlots[buf].mNeedsCleanupOnRelease) { 8799abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam ST_LOGV("releasing a stale buf %d its state was %d", buf, mSlots[buf].mBufferState); 8809abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam mSlots[buf].mNeedsCleanupOnRelease = false; 8819abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam return STALE_BUFFER_SLOT; 8829abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam } else { 8839abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam ST_LOGE("attempted to release buf %d but its state was %d", buf, mSlots[buf].mBufferState); 8849abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam return -EINVAL; 885eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam } 886eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 8879abe1ebc9575dc5a19bf1dfce6e9b02e03374457Daniel Lam mDequeueCondition.broadcast(); 888eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam return OK; 889eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam} 890eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 891fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennisstatus_t BufferQueue::consumerConnect(const sp<ConsumerListener>& consumerListener) { 892fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis ST_LOGV("consumerConnect"); 893fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis Mutex::Autolock lock(mMutex); 894fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 895fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis if (mAbandoned) { 896fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis ST_LOGE("consumerConnect: BufferQueue has been abandoned!"); 897fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis return NO_INIT; 898fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis } 899fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 900fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis mConsumerListener = consumerListener; 901fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 902fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis return OK; 903fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis} 904fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 905eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lamstatus_t BufferQueue::consumerDisconnect() { 906fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis ST_LOGV("consumerDisconnect"); 907eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam Mutex::Autolock lock(mMutex); 908b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam 909fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis if (mConsumerListener == NULL) { 910fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis ST_LOGE("consumerDisconnect: No consumer is connected!"); 911fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis return -EINVAL; 912fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis } 913b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam 914fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis mAbandoned = true; 915fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis mConsumerListener = NULL; 916b267579ba8dfe3f47d2a481c5a3c2254e3d565a1Daniel Lam mQueue.clear(); 917eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam freeAllBuffersLocked(); 91874ff8c23f44f1546d0c7004302f4c7ba726ff4c0Dave Burke mDequeueCondition.broadcast(); 919eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam return OK; 920eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam} 921eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 922fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennisstatus_t BufferQueue::getReleasedBuffers(uint32_t* slotMask) { 923fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis ST_LOGV("getReleasedBuffers"); 924fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis Mutex::Autolock lock(mMutex); 925fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 926fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis if (mAbandoned) { 927fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis ST_LOGE("getReleasedBuffers: BufferQueue has been abandoned!"); 928fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis return NO_INIT; 929fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis } 930fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 931fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis uint32_t mask = 0; 932fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis for (int i = 0; i < NUM_BUFFER_SLOTS; i++) { 933fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis if (!mSlots[i].mAcquireCalled) { 934fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis mask |= 1 << i; 935fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis } 936fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis } 937fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis *slotMask = mask; 938fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 939fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis ST_LOGV("getReleasedBuffers: returning mask %#x", mask); 940fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis return NO_ERROR; 941fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis} 942fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 943eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lamstatus_t BufferQueue::setDefaultBufferSize(uint32_t w, uint32_t h) 944eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam{ 945eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam ST_LOGV("setDefaultBufferSize: w=%d, h=%d", w, h); 946eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam if (!w || !h) { 947eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam ST_LOGE("setDefaultBufferSize: dimensions cannot be 0 (w=%d, h=%d)", 948eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam w, h); 949eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam return BAD_VALUE; 950eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam } 951eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 952eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam Mutex::Autolock lock(mMutex); 953eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mDefaultWidth = w; 954eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mDefaultHeight = h; 955eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam return OK; 956eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam} 957eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 958eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lamstatus_t BufferQueue::setBufferCountServer(int bufferCount) { 9591c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis ATRACE_CALL(); 960eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam Mutex::Autolock lock(mMutex); 961eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam return setBufferCountServerLocked(bufferCount); 962eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam} 963eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 9646b091c53000c843211c218ce40287a7edca9bc63Daniel Lamvoid BufferQueue::freeAllBuffersExceptHeadLocked() { 9656b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ALOGW_IF(!mQueue.isEmpty(), 9666b091c53000c843211c218ce40287a7edca9bc63Daniel Lam "freeAllBuffersExceptCurrentLocked called but mQueue is not empty"); 9676b091c53000c843211c218ce40287a7edca9bc63Daniel Lam int head = -1; 9686b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (!mQueue.empty()) { 9696b091c53000c843211c218ce40287a7edca9bc63Daniel Lam Fifo::iterator front(mQueue.begin()); 9706b091c53000c843211c218ce40287a7edca9bc63Daniel Lam head = *front; 9716b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 972eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mBufferHasBeenQueued = false; 9736b091c53000c843211c218ce40287a7edca9bc63Daniel Lam for (int i = 0; i < NUM_BUFFER_SLOTS; i++) { 9746b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (i != head) { 9756b091c53000c843211c218ce40287a7edca9bc63Daniel Lam freeBufferLocked(i); 9766b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 9776b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 9786b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 9796b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 9806b091c53000c843211c218ce40287a7edca9bc63Daniel Lamstatus_t BufferQueue::drainQueueLocked() { 9816b091c53000c843211c218ce40287a7edca9bc63Daniel Lam while (mSynchronousMode && !mQueue.isEmpty()) { 9826b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mDequeueCondition.wait(mMutex); 9836b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mAbandoned) { 9846b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("drainQueueLocked: BufferQueue has been abandoned!"); 9856b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return NO_INIT; 9866b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 9876b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mConnectedApi == NO_CONNECTED_API) { 9886b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("drainQueueLocked: BufferQueue is not connected!"); 9896b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return NO_INIT; 9906b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 9916b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 9926b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return NO_ERROR; 9936b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 9946b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 9956b091c53000c843211c218ce40287a7edca9bc63Daniel Lamstatus_t BufferQueue::drainQueueAndFreeBuffersLocked() { 9966b091c53000c843211c218ce40287a7edca9bc63Daniel Lam status_t err = drainQueueLocked(); 9976b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (err == NO_ERROR) { 9986b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mSynchronousMode) { 9996b091c53000c843211c218ce40287a7edca9bc63Daniel Lam freeAllBuffersLocked(); 10006b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } else { 10016b091c53000c843211c218ce40287a7edca9bc63Daniel Lam freeAllBuffersExceptHeadLocked(); 10026b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 10036b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 10046b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return err; 10056b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 10066b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 1007fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie GennisBufferQueue::ProxyConsumerListener::ProxyConsumerListener( 1008fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis const wp<BufferQueue::ConsumerListener>& consumerListener): 1009fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis mConsumerListener(consumerListener) {} 1010fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 1011fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie GennisBufferQueue::ProxyConsumerListener::~ProxyConsumerListener() {} 1012fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 1013fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennisvoid BufferQueue::ProxyConsumerListener::onFrameAvailable() { 1014fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis sp<BufferQueue::ConsumerListener> listener(mConsumerListener.promote()); 1015fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis if (listener != NULL) { 1016fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis listener->onFrameAvailable(); 1017fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis } 1018fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis} 1019fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 1020fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennisvoid BufferQueue::ProxyConsumerListener::onBuffersReleased() { 1021fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis sp<BufferQueue::ConsumerListener> listener(mConsumerListener.promote()); 1022fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis if (listener != NULL) { 1023fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis listener->onBuffersReleased(); 1024fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis } 1025fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis} 1026fa5b40ebb8923133df12dc70591bfe35b3f1c9b3Jamie Gennis 10276b091c53000c843211c218ce40287a7edca9bc63Daniel Lam}; // namespace android 1028