BufferQueue.cpp revision 1c8e95cf86f2182986385bc1ee85f13f425f3a3a
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" 18eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam//#define LOG_NDEBUG 0 191c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis#define ATRACE_TAG ATRACE_TAG_GRAPHICS 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 596b091c53000c843211c218ce40287a7edca9bc63Daniel Lamnamespace android { 606b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 616b091c53000c843211c218ce40287a7edca9bc63Daniel Lam// Get an ID that's unique within this process. 626b091c53000c843211c218ce40287a7edca9bc63Daniel Lamstatic int32_t createProcessUniqueId() { 636b091c53000c843211c218ce40287a7edca9bc63Daniel Lam static volatile int32_t globalCounter = 0; 646b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return android_atomic_inc(&globalCounter); 656b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 666b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 676b091c53000c843211c218ce40287a7edca9bc63Daniel LamBufferQueue::BufferQueue( bool allowSynchronousMode ) : 686b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mDefaultWidth(1), 696b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mDefaultHeight(1), 706b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mPixelFormat(PIXEL_FORMAT_RGBA_8888), 716b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mBufferCount(MIN_ASYNC_BUFFER_SLOTS), 726b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mClientBufferCount(0), 736b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mServerBufferCount(MIN_ASYNC_BUFFER_SLOTS), 746b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mNextTransform(0), 756b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mNextScalingMode(NATIVE_WINDOW_SCALING_MODE_FREEZE), 766b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSynchronousMode(false), 776b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mAllowSynchronousMode(allowSynchronousMode), 786b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mConnectedApi(NO_CONNECTED_API), 796b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mAbandoned(false), 80eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mFrameCounter(0), 81eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mBufferHasBeenQueued(false) 826b091c53000c843211c218ce40287a7edca9bc63Daniel Lam{ 836b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // Choose a name using the PID and a process-unique ID. 84eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mConsumerName = String8::format("unnamed-%d-%d", getpid(), createProcessUniqueId()); 856b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 866b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGV("BufferQueue"); 876b091c53000c843211c218ce40287a7edca9bc63Daniel Lam sp<ISurfaceComposer> composer(ComposerService::getComposerService()); 886b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mGraphicBufferAlloc = composer->createGraphicBufferAlloc(); 896b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mNextCrop.makeInvalid(); 906b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 916b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 926b091c53000c843211c218ce40287a7edca9bc63Daniel LamBufferQueue::~BufferQueue() { 936b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGV("~BufferQueue"); 946b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 956b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 966b091c53000c843211c218ce40287a7edca9bc63Daniel Lamstatus_t BufferQueue::setBufferCountServerLocked(int bufferCount) { 976b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (bufferCount > NUM_BUFFER_SLOTS) 986b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return BAD_VALUE; 996b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 1006b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // special-case, nothing to do 1016b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (bufferCount == mBufferCount) 1026b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return OK; 1036b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 1046b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (!mClientBufferCount && 1056b091c53000c843211c218ce40287a7edca9bc63Daniel Lam bufferCount >= mBufferCount) { 1066b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // easy, we just have more buffers 1076b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mBufferCount = bufferCount; 1086b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mServerBufferCount = bufferCount; 1096b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mDequeueCondition.signal(); 1106b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } else { 1116b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // we're here because we're either 1126b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // - reducing the number of available buffers 1136b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // - or there is a client-buffer-count in effect 1146b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 1156b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // less than 2 buffers is never allowed 1166b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (bufferCount < 2) 1176b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return BAD_VALUE; 1186b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 1196b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // when there is non client-buffer-count in effect, the client is not 1206b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // allowed to dequeue more than one buffer at a time, 1216b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // so the next time they dequeue a buffer, we know that they don't 1226b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // own one. the actual resizing will happen during the next 1236b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // dequeueBuffer. 1246b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 1256b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mServerBufferCount = bufferCount; 1266b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 1276b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return OK; 1286b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 1296b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 130eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lambool BufferQueue::isSynchronousMode() const { 131eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam Mutex::Autolock lock(mMutex); 132eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam return mSynchronousMode; 133eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam} 134eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 135eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lamvoid BufferQueue::setConsumerName(const String8& name) { 136eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam Mutex::Autolock lock(mMutex); 137eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mConsumerName = name; 138eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam} 139eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 140eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lamvoid BufferQueue::setFrameAvailableListener( 141eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam const sp<FrameAvailableListener>& listener) { 142eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam ST_LOGV("setFrameAvailableListener"); 143eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam Mutex::Autolock lock(mMutex); 144eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mFrameAvailableListener = listener; 145eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam} 146eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 1476b091c53000c843211c218ce40287a7edca9bc63Daniel Lamstatus_t BufferQueue::setBufferCount(int bufferCount) { 1486b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGV("setBufferCount: count=%d", bufferCount); 1496b091c53000c843211c218ce40287a7edca9bc63Daniel Lam Mutex::Autolock lock(mMutex); 1506b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 1516b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mAbandoned) { 1526b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("setBufferCount: SurfaceTexture has been abandoned!"); 1536b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return NO_INIT; 1546b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 1556b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (bufferCount > NUM_BUFFER_SLOTS) { 1566b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("setBufferCount: bufferCount larger than slots available"); 1576b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return BAD_VALUE; 1586b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 1596b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 1606b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // Error out if the user has dequeued buffers 1616b091c53000c843211c218ce40287a7edca9bc63Daniel Lam for (int i=0 ; i<mBufferCount ; i++) { 1626b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mSlots[i].mBufferState == BufferSlot::DEQUEUED) { 1636b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("setBufferCount: client owns some buffers"); 1646b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return -EINVAL; 1656b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 1666b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 1676b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 1686b091c53000c843211c218ce40287a7edca9bc63Daniel Lam const int minBufferSlots = mSynchronousMode ? 1696b091c53000c843211c218ce40287a7edca9bc63Daniel Lam MIN_SYNC_BUFFER_SLOTS : MIN_ASYNC_BUFFER_SLOTS; 1706b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (bufferCount == 0) { 1716b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mClientBufferCount = 0; 1726b091c53000c843211c218ce40287a7edca9bc63Daniel Lam bufferCount = (mServerBufferCount >= minBufferSlots) ? 1736b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mServerBufferCount : minBufferSlots; 1746b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return setBufferCountServerLocked(bufferCount); 1756b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 1766b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 1776b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (bufferCount < minBufferSlots) { 1786b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("setBufferCount: requested buffer count (%d) is less than " 1796b091c53000c843211c218ce40287a7edca9bc63Daniel Lam "minimum (%d)", bufferCount, minBufferSlots); 1806b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return BAD_VALUE; 1816b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 1826b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 1836b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // here we're guaranteed that the client doesn't have dequeued buffers 1846b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // and will release all of its buffer references. 1856b091c53000c843211c218ce40287a7edca9bc63Daniel Lam freeAllBuffersLocked(); 1866b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mBufferCount = bufferCount; 1876b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mClientBufferCount = bufferCount; 188eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mBufferHasBeenQueued = false; 1896b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mQueue.clear(); 1906b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mDequeueCondition.signal(); 1916b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return OK; 1926b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 1936b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 194b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lamint BufferQueue::query(int what, int* outValue) 195b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam{ 1961c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis ATRACE_CALL(); 197b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam Mutex::Autolock lock(mMutex); 198b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam 199b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam if (mAbandoned) { 200b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam ST_LOGE("query: SurfaceTexture has been abandoned!"); 201b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam return NO_INIT; 202b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam } 203b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam 204b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam int value; 205b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam switch (what) { 206b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam case NATIVE_WINDOW_WIDTH: 207b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam value = mDefaultWidth; 208b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam break; 209b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam case NATIVE_WINDOW_HEIGHT: 210b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam value = mDefaultHeight; 211b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam break; 212b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam case NATIVE_WINDOW_FORMAT: 213b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam value = mPixelFormat; 214b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam break; 215b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam case NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS: 216b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam value = mSynchronousMode ? 217b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam (MIN_UNDEQUEUED_BUFFERS-1) : MIN_UNDEQUEUED_BUFFERS; 218b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam break; 219b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam default: 220b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam return BAD_VALUE; 221b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam } 222b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam outValue[0] = value; 223b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam return NO_ERROR; 224b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam} 225b856052c00dfef70d0957482c72c2979ffc4733aDaniel Lam 2266b091c53000c843211c218ce40287a7edca9bc63Daniel Lamstatus_t BufferQueue::requestBuffer(int slot, sp<GraphicBuffer>* buf) { 2271c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis ATRACE_CALL(); 2286b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGV("requestBuffer: slot=%d", slot); 2296b091c53000c843211c218ce40287a7edca9bc63Daniel Lam Mutex::Autolock lock(mMutex); 2306b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mAbandoned) { 2316b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("requestBuffer: SurfaceTexture has been abandoned!"); 2326b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return NO_INIT; 2336b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 2346b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (slot < 0 || mBufferCount <= slot) { 2356b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("requestBuffer: slot index out of range [0, %d]: %d", 2366b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mBufferCount, slot); 2376b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return BAD_VALUE; 2386b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 2396b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[slot].mRequestBufferCalled = true; 2406b091c53000c843211c218ce40287a7edca9bc63Daniel Lam *buf = mSlots[slot].mGraphicBuffer; 2416b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return NO_ERROR; 2426b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 2436b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 2446b091c53000c843211c218ce40287a7edca9bc63Daniel Lamstatus_t BufferQueue::dequeueBuffer(int *outBuf, uint32_t w, uint32_t h, 2456b091c53000c843211c218ce40287a7edca9bc63Daniel Lam uint32_t format, uint32_t usage) { 2461c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis ATRACE_CALL(); 2476b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGV("dequeueBuffer: w=%d h=%d fmt=%#x usage=%#x", w, h, format, usage); 2486b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 2496b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if ((w && !h) || (!w && h)) { 2506b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("dequeueBuffer: invalid size: w=%u, h=%u", w, h); 2516b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return BAD_VALUE; 2526b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 2536b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 2546b091c53000c843211c218ce40287a7edca9bc63Daniel Lam status_t returnFlags(OK); 2556b091c53000c843211c218ce40287a7edca9bc63Daniel Lam EGLDisplay dpy = EGL_NO_DISPLAY; 2566b091c53000c843211c218ce40287a7edca9bc63Daniel Lam EGLSyncKHR fence = EGL_NO_SYNC_KHR; 2576b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 2586b091c53000c843211c218ce40287a7edca9bc63Daniel Lam { // Scope for the lock 2596b091c53000c843211c218ce40287a7edca9bc63Daniel Lam Mutex::Autolock lock(mMutex); 2606b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 2616b091c53000c843211c218ce40287a7edca9bc63Daniel Lam int found = -1; 2626b091c53000c843211c218ce40287a7edca9bc63Daniel Lam int foundSync = -1; 2636b091c53000c843211c218ce40287a7edca9bc63Daniel Lam int dequeuedCount = 0; 2646b091c53000c843211c218ce40287a7edca9bc63Daniel Lam bool tryAgain = true; 2656b091c53000c843211c218ce40287a7edca9bc63Daniel Lam while (tryAgain) { 2666b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mAbandoned) { 2676b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("dequeueBuffer: SurfaceTexture has been abandoned!"); 2686b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return NO_INIT; 2696b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 2706b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 2716b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // We need to wait for the FIFO to drain if the number of buffer 2726b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // needs to change. 2736b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // 2746b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // The condition "number of buffers needs to change" is true if 2756b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // - the client doesn't care about how many buffers there are 2766b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // - AND the actual number of buffer is different from what was 2776b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // set in the last setBufferCountServer() 2786b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // - OR - 2796b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // setBufferCountServer() was set to a value incompatible with 2806b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // the synchronization mode (for instance because the sync mode 2816b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // changed since) 2826b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // 2836b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // As long as this condition is true AND the FIFO is not empty, we 2846b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // wait on mDequeueCondition. 2856b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 2866b091c53000c843211c218ce40287a7edca9bc63Daniel Lam const int minBufferCountNeeded = mSynchronousMode ? 2876b091c53000c843211c218ce40287a7edca9bc63Daniel Lam MIN_SYNC_BUFFER_SLOTS : MIN_ASYNC_BUFFER_SLOTS; 2886b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 2896b091c53000c843211c218ce40287a7edca9bc63Daniel Lam const bool numberOfBuffersNeedsToChange = !mClientBufferCount && 2906b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ((mServerBufferCount != mBufferCount) || 2916b091c53000c843211c218ce40287a7edca9bc63Daniel Lam (mServerBufferCount < minBufferCountNeeded)); 2926b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 2936b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (!mQueue.isEmpty() && numberOfBuffersNeedsToChange) { 2946b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // wait for the FIFO to drain 2956b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mDequeueCondition.wait(mMutex); 2966b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // NOTE: we continue here because we need to reevaluate our 2976b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // whole state (eg: we could be abandoned or disconnected) 2986b091c53000c843211c218ce40287a7edca9bc63Daniel Lam continue; 2996b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 3006b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 3016b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (numberOfBuffersNeedsToChange) { 3026b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // here we're guaranteed that mQueue is empty 3036b091c53000c843211c218ce40287a7edca9bc63Daniel Lam freeAllBuffersLocked(); 3046b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mBufferCount = mServerBufferCount; 3056b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mBufferCount < minBufferCountNeeded) 3066b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mBufferCount = minBufferCountNeeded; 307eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mBufferHasBeenQueued = false; 3086b091c53000c843211c218ce40287a7edca9bc63Daniel Lam returnFlags |= ISurfaceTexture::RELEASE_ALL_BUFFERS; 3096b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 3106b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 3116b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // look for a free buffer to give to the client 3126b091c53000c843211c218ce40287a7edca9bc63Daniel Lam found = INVALID_BUFFER_SLOT; 3136b091c53000c843211c218ce40287a7edca9bc63Daniel Lam foundSync = INVALID_BUFFER_SLOT; 3146b091c53000c843211c218ce40287a7edca9bc63Daniel Lam dequeuedCount = 0; 3156b091c53000c843211c218ce40287a7edca9bc63Daniel Lam for (int i = 0; i < mBufferCount; i++) { 3166b091c53000c843211c218ce40287a7edca9bc63Daniel Lam const int state = mSlots[i].mBufferState; 3176b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (state == BufferSlot::DEQUEUED) { 3186b091c53000c843211c218ce40287a7edca9bc63Daniel Lam dequeuedCount++; 3196b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 3206b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 321eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam // this logic used to be if (FLAG_ALLOW_DEQUEUE_CURRENT_BUFFER) 322eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam // but dequeuing the current buffer is disabled. 323eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam if (false) { 324eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam // This functionality has been temporarily removed so 325eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam // BufferQueue and SurfaceTexture can be refactored into 326eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam // separate objects 3276b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } else { 3286b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (state == BufferSlot::FREE) { 3296b091c53000c843211c218ce40287a7edca9bc63Daniel Lam /* We return the oldest of the free buffers to avoid 3306b091c53000c843211c218ce40287a7edca9bc63Daniel Lam * stalling the producer if possible. This is because 3316b091c53000c843211c218ce40287a7edca9bc63Daniel Lam * the consumer may still have pending reads of the 3326b091c53000c843211c218ce40287a7edca9bc63Daniel Lam * buffers in flight. 3336b091c53000c843211c218ce40287a7edca9bc63Daniel Lam */ 3346b091c53000c843211c218ce40287a7edca9bc63Daniel Lam bool isOlder = mSlots[i].mFrameNumber < 3356b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[found].mFrameNumber; 3366b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (found < 0 || isOlder) { 3376b091c53000c843211c218ce40287a7edca9bc63Daniel Lam foundSync = i; 3386b091c53000c843211c218ce40287a7edca9bc63Daniel Lam found = i; 3396b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 3406b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 3416b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 3426b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 3436b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 3446b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // clients are not allowed to dequeue more than one buffer 3456b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // if they didn't set a buffer count. 3466b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (!mClientBufferCount && dequeuedCount) { 3476b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("dequeueBuffer: can't dequeue multiple buffers without " 3486b091c53000c843211c218ce40287a7edca9bc63Daniel Lam "setting the buffer count"); 3496b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return -EINVAL; 3506b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 3516b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 3526b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // See whether a buffer has been queued since the last 3536b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // setBufferCount so we know whether to perform the 3546b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // MIN_UNDEQUEUED_BUFFERS check below. 355eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam if (mBufferHasBeenQueued) { 3566b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // make sure the client is not trying to dequeue more buffers 3576b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // than allowed. 3586b091c53000c843211c218ce40287a7edca9bc63Daniel Lam const int avail = mBufferCount - (dequeuedCount+1); 3596b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (avail < (MIN_UNDEQUEUED_BUFFERS-int(mSynchronousMode))) { 3606b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("dequeueBuffer: MIN_UNDEQUEUED_BUFFERS=%d exceeded " 3616b091c53000c843211c218ce40287a7edca9bc63Daniel Lam "(dequeued=%d)", 3626b091c53000c843211c218ce40287a7edca9bc63Daniel Lam MIN_UNDEQUEUED_BUFFERS-int(mSynchronousMode), 3636b091c53000c843211c218ce40287a7edca9bc63Daniel Lam dequeuedCount); 3646b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return -EBUSY; 3656b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 3666b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 3676b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 3686b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // we're in synchronous mode and didn't find a buffer, we need to 3696b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // wait for some buffers to be consumed 3706b091c53000c843211c218ce40287a7edca9bc63Daniel Lam tryAgain = mSynchronousMode && (foundSync == INVALID_BUFFER_SLOT); 3716b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (tryAgain) { 3726b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mDequeueCondition.wait(mMutex); 3736b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 3746b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 3756b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 3766b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mSynchronousMode && found == INVALID_BUFFER_SLOT) { 3776b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // foundSync guaranteed to be != INVALID_BUFFER_SLOT 3786b091c53000c843211c218ce40287a7edca9bc63Daniel Lam found = foundSync; 3796b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 3806b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 3816b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (found == INVALID_BUFFER_SLOT) { 3826b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // This should not happen. 3836b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("dequeueBuffer: no available buffer slots"); 3846b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return -EBUSY; 3856b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 3866b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 3876b091c53000c843211c218ce40287a7edca9bc63Daniel Lam const int buf = found; 3886b091c53000c843211c218ce40287a7edca9bc63Daniel Lam *outBuf = found; 3896b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 3906b091c53000c843211c218ce40287a7edca9bc63Daniel Lam const bool useDefaultSize = !w && !h; 3916b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (useDefaultSize) { 3926b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // use the default size 3936b091c53000c843211c218ce40287a7edca9bc63Daniel Lam w = mDefaultWidth; 3946b091c53000c843211c218ce40287a7edca9bc63Daniel Lam h = mDefaultHeight; 3956b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 3966b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 3976b091c53000c843211c218ce40287a7edca9bc63Daniel Lam const bool updateFormat = (format != 0); 3986b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (!updateFormat) { 3996b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // keep the current (or default) format 4006b091c53000c843211c218ce40287a7edca9bc63Daniel Lam format = mPixelFormat; 4016b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 4026b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 4036b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // buffer is now in DEQUEUED (but can also be current at the same time, 4046b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // if we're in synchronous mode) 4056b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[buf].mBufferState = BufferSlot::DEQUEUED; 4066b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 4076b091c53000c843211c218ce40287a7edca9bc63Daniel Lam const sp<GraphicBuffer>& buffer(mSlots[buf].mGraphicBuffer); 4086b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if ((buffer == NULL) || 4096b091c53000c843211c218ce40287a7edca9bc63Daniel Lam (uint32_t(buffer->width) != w) || 4106b091c53000c843211c218ce40287a7edca9bc63Daniel Lam (uint32_t(buffer->height) != h) || 4116b091c53000c843211c218ce40287a7edca9bc63Daniel Lam (uint32_t(buffer->format) != format) || 4126b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ((uint32_t(buffer->usage) & usage) != usage)) 4136b091c53000c843211c218ce40287a7edca9bc63Daniel Lam { 4146b091c53000c843211c218ce40287a7edca9bc63Daniel Lam usage |= GraphicBuffer::USAGE_HW_TEXTURE; 4156b091c53000c843211c218ce40287a7edca9bc63Daniel Lam status_t error; 4166b091c53000c843211c218ce40287a7edca9bc63Daniel Lam sp<GraphicBuffer> graphicBuffer( 4176b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mGraphicBufferAlloc->createGraphicBuffer( 4186b091c53000c843211c218ce40287a7edca9bc63Daniel Lam w, h, format, usage, &error)); 4196b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (graphicBuffer == 0) { 4206b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("dequeueBuffer: SurfaceComposer::createGraphicBuffer " 4216b091c53000c843211c218ce40287a7edca9bc63Daniel Lam "failed"); 4226b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return error; 4236b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 4246b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (updateFormat) { 4256b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mPixelFormat = format; 4266b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 427eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 428eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mSlots[buf].mAcquireCalled = false; 4296b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[buf].mGraphicBuffer = graphicBuffer; 4306b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[buf].mRequestBufferCalled = false; 4316b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[buf].mFence = EGL_NO_SYNC_KHR; 432eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mSlots[buf].mEglDisplay = EGL_NO_DISPLAY; 433eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 434eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 435eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 436eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 4376b091c53000c843211c218ce40287a7edca9bc63Daniel Lam returnFlags |= ISurfaceTexture::BUFFER_NEEDS_REALLOCATION; 4386b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 4396b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 4406b091c53000c843211c218ce40287a7edca9bc63Daniel Lam dpy = mSlots[buf].mEglDisplay; 4416b091c53000c843211c218ce40287a7edca9bc63Daniel Lam fence = mSlots[buf].mFence; 4426b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[buf].mFence = EGL_NO_SYNC_KHR; 443eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam } // end lock scope 4446b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 4456b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (fence != EGL_NO_SYNC_KHR) { 4466b091c53000c843211c218ce40287a7edca9bc63Daniel Lam EGLint result = eglClientWaitSyncKHR(dpy, fence, 0, 1000000000); 4476b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // If something goes wrong, log the error, but return the buffer without 4486b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // synchronizing access to it. It's too late at this point to abort the 4496b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // dequeue operation. 4506b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (result == EGL_FALSE) { 4516b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ALOGE("dequeueBuffer: error waiting for fence: %#x", eglGetError()); 4526b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } else if (result == EGL_TIMEOUT_EXPIRED_KHR) { 4536b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ALOGE("dequeueBuffer: timeout waiting for fence"); 4546b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 4556b091c53000c843211c218ce40287a7edca9bc63Daniel Lam eglDestroySyncKHR(dpy, fence); 456eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 4576b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 4586b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 4596b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGV("dequeueBuffer: returning slot=%d buf=%p flags=%#x", *outBuf, 4606b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[*outBuf].mGraphicBuffer->handle, returnFlags); 4616b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 4626b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return returnFlags; 4636b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 4646b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 4656b091c53000c843211c218ce40287a7edca9bc63Daniel Lamstatus_t BufferQueue::setSynchronousMode(bool enabled) { 4661c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis ATRACE_CALL(); 4676b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGV("setSynchronousMode: enabled=%d", enabled); 4686b091c53000c843211c218ce40287a7edca9bc63Daniel Lam Mutex::Autolock lock(mMutex); 4696b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 4706b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mAbandoned) { 4716b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("setSynchronousMode: SurfaceTexture has been abandoned!"); 4726b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return NO_INIT; 4736b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 4746b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 4756b091c53000c843211c218ce40287a7edca9bc63Daniel Lam status_t err = OK; 4766b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (!mAllowSynchronousMode && enabled) 4776b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return err; 4786b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 4796b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (!enabled) { 4806b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // going to asynchronous mode, drain the queue 4816b091c53000c843211c218ce40287a7edca9bc63Daniel Lam err = drainQueueLocked(); 4826b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (err != NO_ERROR) 4836b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return err; 4846b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 4856b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 4866b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mSynchronousMode != enabled) { 4876b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // - if we're going to asynchronous mode, the queue is guaranteed to be 4886b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // empty here 4896b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // - if the client set the number of buffers, we're guaranteed that 4906b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // we have at least 3 (because we don't allow less) 4916b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSynchronousMode = enabled; 4926b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mDequeueCondition.signal(); 4936b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 4946b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return err; 4956b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 4966b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 4976b091c53000c843211c218ce40287a7edca9bc63Daniel Lamstatus_t BufferQueue::queueBuffer(int buf, int64_t timestamp, 4986b091c53000c843211c218ce40287a7edca9bc63Daniel Lam uint32_t* outWidth, uint32_t* outHeight, uint32_t* outTransform) { 4991c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis ATRACE_CALL(); 5006b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGV("queueBuffer: slot=%d time=%lld", buf, timestamp); 5016b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 5026b091c53000c843211c218ce40287a7edca9bc63Daniel Lam sp<FrameAvailableListener> listener; 5036b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 5046b091c53000c843211c218ce40287a7edca9bc63Daniel Lam { // scope for the lock 5056b091c53000c843211c218ce40287a7edca9bc63Daniel Lam Mutex::Autolock lock(mMutex); 5066b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mAbandoned) { 5076b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("queueBuffer: SurfaceTexture has been abandoned!"); 5086b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return NO_INIT; 5096b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 5106b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (buf < 0 || buf >= mBufferCount) { 5116b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("queueBuffer: slot index out of range [0, %d]: %d", 5126b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mBufferCount, buf); 5136b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return -EINVAL; 5146b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } else if (mSlots[buf].mBufferState != BufferSlot::DEQUEUED) { 5156b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("queueBuffer: slot %d is not owned by the client " 5166b091c53000c843211c218ce40287a7edca9bc63Daniel Lam "(state=%d)", buf, mSlots[buf].mBufferState); 5176b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return -EINVAL; 5186b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } else if (!mSlots[buf].mRequestBufferCalled) { 5196b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("queueBuffer: slot %d was enqueued without requesting a " 5206b091c53000c843211c218ce40287a7edca9bc63Daniel Lam "buffer", buf); 5216b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return -EINVAL; 5226b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 5236b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 5246b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mSynchronousMode) { 5256b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // In synchronous mode we queue all buffers in a FIFO. 5266b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mQueue.push_back(buf); 5276b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 5286b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // Synchronous mode always signals that an additional frame should 5296b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // be consumed. 5306b091c53000c843211c218ce40287a7edca9bc63Daniel Lam listener = mFrameAvailableListener; 5316b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } else { 5326b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // In asynchronous mode we only keep the most recent buffer. 5336b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mQueue.empty()) { 5346b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mQueue.push_back(buf); 5356b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 5366b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // Asynchronous mode only signals that a frame should be 5376b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // consumed if no previous frame was pending. If a frame were 5386b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // pending then the consumer would have already been notified. 5396b091c53000c843211c218ce40287a7edca9bc63Daniel Lam listener = mFrameAvailableListener; 5406b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } else { 5416b091c53000c843211c218ce40287a7edca9bc63Daniel Lam Fifo::iterator front(mQueue.begin()); 5426b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // buffer currently queued is freed 5436b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[*front].mBufferState = BufferSlot::FREE; 5446b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // and we record the new buffer index in the queued list 5456b091c53000c843211c218ce40287a7edca9bc63Daniel Lam *front = buf; 5466b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 5476b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 5486b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 5496b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[buf].mBufferState = BufferSlot::QUEUED; 5506b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[buf].mCrop = mNextCrop; 5516b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[buf].mTransform = mNextTransform; 5526b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[buf].mScalingMode = mNextScalingMode; 5536b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[buf].mTimestamp = timestamp; 5546b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mFrameCounter++; 5556b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[buf].mFrameNumber = mFrameCounter; 5566b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 557eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mBufferHasBeenQueued = true; 5586b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mDequeueCondition.signal(); 5596b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 5606b091c53000c843211c218ce40287a7edca9bc63Daniel Lam *outWidth = mDefaultWidth; 5616b091c53000c843211c218ce40287a7edca9bc63Daniel Lam *outHeight = mDefaultHeight; 5626b091c53000c843211c218ce40287a7edca9bc63Daniel Lam *outTransform = 0; 5631c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis 5641c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis ATRACE_INT(mConsumerName.string(), mQueue.size()); 5656b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } // scope for the lock 5666b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 5676b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // call back without lock held 5686b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (listener != 0) { 5696b091c53000c843211c218ce40287a7edca9bc63Daniel Lam listener->onFrameAvailable(); 5706b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 5716b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return OK; 5726b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 5736b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 5746b091c53000c843211c218ce40287a7edca9bc63Daniel Lamvoid BufferQueue::cancelBuffer(int buf) { 5751c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis ATRACE_CALL(); 5766b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGV("cancelBuffer: slot=%d", buf); 5776b091c53000c843211c218ce40287a7edca9bc63Daniel Lam Mutex::Autolock lock(mMutex); 5786b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 5796b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mAbandoned) { 5806b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGW("cancelBuffer: BufferQueue has been abandoned!"); 5816b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return; 5826b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 5836b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 5846b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (buf < 0 || buf >= mBufferCount) { 5856b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("cancelBuffer: slot index out of range [0, %d]: %d", 5866b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mBufferCount, buf); 5876b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return; 5886b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } else if (mSlots[buf].mBufferState != BufferSlot::DEQUEUED) { 5896b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("cancelBuffer: slot %d is not owned by the client (state=%d)", 5906b091c53000c843211c218ce40287a7edca9bc63Daniel Lam buf, mSlots[buf].mBufferState); 5916b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return; 5926b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 5936b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[buf].mBufferState = BufferSlot::FREE; 5946b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[buf].mFrameNumber = 0; 5956b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mDequeueCondition.signal(); 5966b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 5976b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 5986b091c53000c843211c218ce40287a7edca9bc63Daniel Lamstatus_t BufferQueue::setCrop(const Rect& crop) { 5991c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis ATRACE_CALL(); 6006b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGV("setCrop: crop=[%d,%d,%d,%d]", crop.left, crop.top, crop.right, 6016b091c53000c843211c218ce40287a7edca9bc63Daniel Lam crop.bottom); 6026b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 6036b091c53000c843211c218ce40287a7edca9bc63Daniel Lam Mutex::Autolock lock(mMutex); 6046b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mAbandoned) { 6056b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("setCrop: BufferQueue has been abandoned!"); 6066b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return NO_INIT; 6076b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 6086b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mNextCrop = crop; 6096b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return OK; 6106b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 6116b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 6126b091c53000c843211c218ce40287a7edca9bc63Daniel Lamstatus_t BufferQueue::setTransform(uint32_t transform) { 6131c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis ATRACE_CALL(); 6146b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGV("setTransform: xform=%#x", transform); 6156b091c53000c843211c218ce40287a7edca9bc63Daniel Lam Mutex::Autolock lock(mMutex); 6166b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mAbandoned) { 6176b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("setTransform: BufferQueue has been abandoned!"); 6186b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return NO_INIT; 6196b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 6206b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mNextTransform = transform; 6216b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return OK; 6226b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 6236b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 6246b091c53000c843211c218ce40287a7edca9bc63Daniel Lamstatus_t BufferQueue::setScalingMode(int mode) { 6251c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis ATRACE_CALL(); 6266b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGV("setScalingMode: mode=%d", mode); 6276b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 6286b091c53000c843211c218ce40287a7edca9bc63Daniel Lam switch (mode) { 6296b091c53000c843211c218ce40287a7edca9bc63Daniel Lam case NATIVE_WINDOW_SCALING_MODE_FREEZE: 6306b091c53000c843211c218ce40287a7edca9bc63Daniel Lam case NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW: 6316b091c53000c843211c218ce40287a7edca9bc63Daniel Lam break; 6326b091c53000c843211c218ce40287a7edca9bc63Daniel Lam default: 6336b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("unknown scaling mode: %d", mode); 6346b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return BAD_VALUE; 6356b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 6366b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 6376b091c53000c843211c218ce40287a7edca9bc63Daniel Lam Mutex::Autolock lock(mMutex); 6386b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mNextScalingMode = mode; 6396b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return OK; 6406b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 6416b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 6426b091c53000c843211c218ce40287a7edca9bc63Daniel Lamstatus_t BufferQueue::connect(int api, 6436b091c53000c843211c218ce40287a7edca9bc63Daniel Lam uint32_t* outWidth, uint32_t* outHeight, uint32_t* outTransform) { 6441c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis ATRACE_CALL(); 6456b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGV("connect: api=%d", api); 6466b091c53000c843211c218ce40287a7edca9bc63Daniel Lam Mutex::Autolock lock(mMutex); 6476b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 6486b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mAbandoned) { 6496b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("connect: BufferQueue has been abandoned!"); 6506b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return NO_INIT; 6516b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 6526b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 6536b091c53000c843211c218ce40287a7edca9bc63Daniel Lam int err = NO_ERROR; 6546b091c53000c843211c218ce40287a7edca9bc63Daniel Lam switch (api) { 6556b091c53000c843211c218ce40287a7edca9bc63Daniel Lam case NATIVE_WINDOW_API_EGL: 6566b091c53000c843211c218ce40287a7edca9bc63Daniel Lam case NATIVE_WINDOW_API_CPU: 6576b091c53000c843211c218ce40287a7edca9bc63Daniel Lam case NATIVE_WINDOW_API_MEDIA: 6586b091c53000c843211c218ce40287a7edca9bc63Daniel Lam case NATIVE_WINDOW_API_CAMERA: 6596b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mConnectedApi != NO_CONNECTED_API) { 6606b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("connect: already connected (cur=%d, req=%d)", 6616b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mConnectedApi, api); 6626b091c53000c843211c218ce40287a7edca9bc63Daniel Lam err = -EINVAL; 6636b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } else { 6646b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mConnectedApi = api; 6656b091c53000c843211c218ce40287a7edca9bc63Daniel Lam *outWidth = mDefaultWidth; 6666b091c53000c843211c218ce40287a7edca9bc63Daniel Lam *outHeight = mDefaultHeight; 6676b091c53000c843211c218ce40287a7edca9bc63Daniel Lam *outTransform = 0; 6686b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 6696b091c53000c843211c218ce40287a7edca9bc63Daniel Lam break; 6706b091c53000c843211c218ce40287a7edca9bc63Daniel Lam default: 6716b091c53000c843211c218ce40287a7edca9bc63Daniel Lam err = -EINVAL; 6726b091c53000c843211c218ce40287a7edca9bc63Daniel Lam break; 6736b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 674eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 675eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mBufferHasBeenQueued = false; 676eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 6776b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return err; 6786b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 6796b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 6806b091c53000c843211c218ce40287a7edca9bc63Daniel Lamstatus_t BufferQueue::disconnect(int api) { 6811c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis ATRACE_CALL(); 6826b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGV("disconnect: api=%d", api); 6836b091c53000c843211c218ce40287a7edca9bc63Daniel Lam Mutex::Autolock lock(mMutex); 6846b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 6856b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mAbandoned) { 6866b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // it is not really an error to disconnect after the surface 6876b091c53000c843211c218ce40287a7edca9bc63Daniel Lam // has been abandoned, it should just be a no-op. 6886b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return NO_ERROR; 6896b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 6906b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 6916b091c53000c843211c218ce40287a7edca9bc63Daniel Lam int err = NO_ERROR; 6926b091c53000c843211c218ce40287a7edca9bc63Daniel Lam switch (api) { 6936b091c53000c843211c218ce40287a7edca9bc63Daniel Lam case NATIVE_WINDOW_API_EGL: 6946b091c53000c843211c218ce40287a7edca9bc63Daniel Lam case NATIVE_WINDOW_API_CPU: 6956b091c53000c843211c218ce40287a7edca9bc63Daniel Lam case NATIVE_WINDOW_API_MEDIA: 6966b091c53000c843211c218ce40287a7edca9bc63Daniel Lam case NATIVE_WINDOW_API_CAMERA: 6976b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mConnectedApi == api) { 6986b091c53000c843211c218ce40287a7edca9bc63Daniel Lam drainQueueAndFreeBuffersLocked(); 6996b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mConnectedApi = NO_CONNECTED_API; 7006b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mNextCrop.makeInvalid(); 7016b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mNextScalingMode = NATIVE_WINDOW_SCALING_MODE_FREEZE; 7026b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mNextTransform = 0; 7036b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mDequeueCondition.signal(); 7046b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } else { 7056b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("disconnect: connected to another api (cur=%d, req=%d)", 7066b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mConnectedApi, api); 7076b091c53000c843211c218ce40287a7edca9bc63Daniel Lam err = -EINVAL; 7086b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 7096b091c53000c843211c218ce40287a7edca9bc63Daniel Lam break; 7106b091c53000c843211c218ce40287a7edca9bc63Daniel Lam default: 7116b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("disconnect: unknown API %d", api); 7126b091c53000c843211c218ce40287a7edca9bc63Daniel Lam err = -EINVAL; 7136b091c53000c843211c218ce40287a7edca9bc63Daniel Lam break; 7146b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 7156b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return err; 7166b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 7176b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 718eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lamvoid BufferQueue::dump(String8& result) const 719eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam{ 720eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam char buffer[1024]; 721eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam BufferQueue::dump(result, "", buffer, 1024); 722eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam} 723eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 724eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lamvoid BufferQueue::dump(String8& result, const char* prefix, 725eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam char* buffer, size_t SIZE) const 726eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam{ 727eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam Mutex::Autolock _l(mMutex); 728eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam snprintf(buffer, SIZE, 729eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam "%snext : {crop=[%d,%d,%d,%d], transform=0x%02x}\n" 730eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam ,prefix, mNextCrop.left, mNextCrop.top, mNextCrop.right, 731eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mNextCrop.bottom, mNextTransform 732eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam ); 733eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam result.append(buffer); 734eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 735eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam String8 fifo; 736eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam int fifoSize = 0; 737eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam Fifo::const_iterator i(mQueue.begin()); 738eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam while (i != mQueue.end()) { 739eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam snprintf(buffer, SIZE, "%02d ", *i++); 740eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam fifoSize++; 741eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam fifo.append(buffer); 742eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam } 743eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 744eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam snprintf(buffer, SIZE, 745eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam "%s-BufferQueue mBufferCount=%d, mSynchronousMode=%d, default-size=[%dx%d], " 746eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam "mPixelFormat=%d, FIFO(%d)={%s}\n", 747eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam prefix, mBufferCount, mSynchronousMode, mDefaultWidth, 748eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mDefaultHeight, mPixelFormat, fifoSize, fifo.string()); 749eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam result.append(buffer); 750eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 751eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 752eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam struct { 753eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam const char * operator()(int state) const { 754eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam switch (state) { 755eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam case BufferSlot::DEQUEUED: return "DEQUEUED"; 756eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam case BufferSlot::QUEUED: return "QUEUED"; 757eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam case BufferSlot::FREE: return "FREE"; 758eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam case BufferSlot::ACQUIRED: return "ACQUIRED"; 759eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam default: return "Unknown"; 760eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam } 761eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam } 762eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam } stateName; 763eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 764eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam for (int i=0 ; i<mBufferCount ; i++) { 765eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam const BufferSlot& slot(mSlots[i]); 766eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam snprintf(buffer, SIZE, 767eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam "%s%s[%02d] " 768eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam "state=%-8s, crop=[%d,%d,%d,%d], " 769eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam "transform=0x%02x, timestamp=%lld", 770eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam prefix, (slot.mBufferState == BufferSlot::ACQUIRED)?">":" ", i, 771eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam stateName(slot.mBufferState), 772eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam slot.mCrop.left, slot.mCrop.top, slot.mCrop.right, 773eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam slot.mCrop.bottom, slot.mTransform, slot.mTimestamp 774eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam ); 775eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam result.append(buffer); 776eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 777eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam const sp<GraphicBuffer>& buf(slot.mGraphicBuffer); 778eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam if (buf != NULL) { 779eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam snprintf(buffer, SIZE, 780eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam ", %p [%4ux%4u:%4u,%3X]", 781eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam buf->handle, buf->width, buf->height, buf->stride, 782eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam buf->format); 783eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam result.append(buffer); 784eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam } 785eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam result.append("\n"); 786eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam } 787eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam} 788eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 7896b091c53000c843211c218ce40287a7edca9bc63Daniel Lamvoid BufferQueue::freeBufferLocked(int i) { 7906b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[i].mGraphicBuffer = 0; 7916b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[i].mBufferState = BufferSlot::FREE; 7926b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mSlots[i].mFrameNumber = 0; 793eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mSlots[i].mAcquireCalled = false; 794eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 795eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam // destroy fence as BufferQueue now takes ownership 796eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam if (mSlots[i].mFence != EGL_NO_SYNC_KHR) { 797eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam eglDestroySyncKHR(mSlots[i].mEglDisplay, mSlots[i].mFence); 798eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mSlots[i].mFence = EGL_NO_SYNC_KHR; 7996b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 8006b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 8016b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 8026b091c53000c843211c218ce40287a7edca9bc63Daniel Lamvoid BufferQueue::freeAllBuffersLocked() { 8036b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ALOGW_IF(!mQueue.isEmpty(), 8046b091c53000c843211c218ce40287a7edca9bc63Daniel Lam "freeAllBuffersLocked called but mQueue is not empty"); 805eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mQueue.clear(); 806eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mBufferHasBeenQueued = false; 8076b091c53000c843211c218ce40287a7edca9bc63Daniel Lam for (int i = 0; i < NUM_BUFFER_SLOTS; i++) { 8086b091c53000c843211c218ce40287a7edca9bc63Daniel Lam freeBufferLocked(i); 8096b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 8106b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 8116b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 812eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lamstatus_t BufferQueue::acquire(BufferItem *buffer) { 813eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam Mutex::Autolock _l(mMutex); 814eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam // check if queue is empty 815eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam // In asynchronous mode the list is guaranteed to be one buffer 816eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam // deep, while in synchronous mode we use the oldest buffer. 817eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam if (!mQueue.empty()) { 818eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam Fifo::iterator front(mQueue.begin()); 819eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam int buf = *front; 820eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 821eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam if (mSlots[buf].mAcquireCalled) { 822eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam buffer->mGraphicBuffer = NULL; 823eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam } 824eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam else { 825eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam buffer->mGraphicBuffer = mSlots[buf].mGraphicBuffer; 826eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam } 827eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam buffer->mCrop = mSlots[buf].mCrop; 828eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam buffer->mTransform = mSlots[buf].mTransform; 829eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam buffer->mScalingMode = mSlots[buf].mScalingMode; 830eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam buffer->mFrameNumber = mSlots[buf].mFrameNumber; 831eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam buffer->mBuf = buf; 832eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mSlots[buf].mAcquireCalled = true; 833eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 834eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mSlots[buf].mBufferState = BufferSlot::ACQUIRED; 835eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mQueue.erase(front); 8361c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis 8371c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis ATRACE_INT(mConsumerName.string(), mQueue.size()); 838eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam } 839eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam else { 840eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam return -EINVAL; //should be a better return code 841eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam } 842eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 843eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam return OK; 844eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam} 845eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 846eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lamstatus_t BufferQueue::releaseBuffer(int buf, EGLDisplay display, 847eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam EGLSyncKHR fence) { 848eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam Mutex::Autolock _l(mMutex); 849eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 850eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam if (buf == INVALID_BUFFER_SLOT) { 851eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam return -EINVAL; 852eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam } 853eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 854eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mSlots[buf].mEglDisplay = display; 855eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mSlots[buf].mFence = fence; 856eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 857eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam // The current buffer becomes FREE if it was still in the queued 858eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam // state. If it has already been given to the client 859eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam // (synchronous mode), then it stays in DEQUEUED state. 860eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam if (mSlots[buf].mBufferState == BufferSlot::QUEUED 861eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam || mSlots[buf].mBufferState == BufferSlot::ACQUIRED) { 862eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mSlots[buf].mBufferState = BufferSlot::FREE; 863eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam } 864eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mDequeueCondition.signal(); 865eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 866eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam return OK; 867eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam} 868eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 869eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lamstatus_t BufferQueue::consumerDisconnect() { 870eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam Mutex::Autolock lock(mMutex); 871eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam // Once the SurfaceTexture disconnects, the BufferQueue 872eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam // is considered abandoned 873eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mAbandoned = true; 874eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam freeAllBuffersLocked(); 875eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mDequeueCondition.signal(); 876eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam return OK; 877eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam} 878eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 879eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lamstatus_t BufferQueue::setDefaultBufferSize(uint32_t w, uint32_t h) 880eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam{ 881eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam ST_LOGV("setDefaultBufferSize: w=%d, h=%d", w, h); 882eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam if (!w || !h) { 883eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam ST_LOGE("setDefaultBufferSize: dimensions cannot be 0 (w=%d, h=%d)", 884eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam w, h); 885eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam return BAD_VALUE; 886eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam } 887eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 888eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam Mutex::Autolock lock(mMutex); 889eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mDefaultWidth = w; 890eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mDefaultHeight = h; 891eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam return OK; 892eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam} 893eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 894eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lamstatus_t BufferQueue::setBufferCountServer(int bufferCount) { 8951c8e95cf86f2182986385bc1ee85f13f425f3a3aJamie Gennis ATRACE_CALL(); 896eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam Mutex::Autolock lock(mMutex); 897eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam return setBufferCountServerLocked(bufferCount); 898eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam} 899eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam 9006b091c53000c843211c218ce40287a7edca9bc63Daniel Lamvoid BufferQueue::freeAllBuffersExceptHeadLocked() { 9016b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ALOGW_IF(!mQueue.isEmpty(), 9026b091c53000c843211c218ce40287a7edca9bc63Daniel Lam "freeAllBuffersExceptCurrentLocked called but mQueue is not empty"); 9036b091c53000c843211c218ce40287a7edca9bc63Daniel Lam int head = -1; 9046b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (!mQueue.empty()) { 9056b091c53000c843211c218ce40287a7edca9bc63Daniel Lam Fifo::iterator front(mQueue.begin()); 9066b091c53000c843211c218ce40287a7edca9bc63Daniel Lam head = *front; 9076b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 908eae59d2ea77ef57aab203fb185a880ce37ac38d6Daniel Lam mBufferHasBeenQueued = false; 9096b091c53000c843211c218ce40287a7edca9bc63Daniel Lam for (int i = 0; i < NUM_BUFFER_SLOTS; i++) { 9106b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (i != head) { 9116b091c53000c843211c218ce40287a7edca9bc63Daniel Lam freeBufferLocked(i); 9126b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 9136b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 9146b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 9156b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 9166b091c53000c843211c218ce40287a7edca9bc63Daniel Lamstatus_t BufferQueue::drainQueueLocked() { 9176b091c53000c843211c218ce40287a7edca9bc63Daniel Lam while (mSynchronousMode && !mQueue.isEmpty()) { 9186b091c53000c843211c218ce40287a7edca9bc63Daniel Lam mDequeueCondition.wait(mMutex); 9196b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mAbandoned) { 9206b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("drainQueueLocked: BufferQueue has been abandoned!"); 9216b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return NO_INIT; 9226b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 9236b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mConnectedApi == NO_CONNECTED_API) { 9246b091c53000c843211c218ce40287a7edca9bc63Daniel Lam ST_LOGE("drainQueueLocked: BufferQueue is not connected!"); 9256b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return NO_INIT; 9266b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 9276b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 9286b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return NO_ERROR; 9296b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 9306b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 9316b091c53000c843211c218ce40287a7edca9bc63Daniel Lamstatus_t BufferQueue::drainQueueAndFreeBuffersLocked() { 9326b091c53000c843211c218ce40287a7edca9bc63Daniel Lam status_t err = drainQueueLocked(); 9336b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (err == NO_ERROR) { 9346b091c53000c843211c218ce40287a7edca9bc63Daniel Lam if (mSynchronousMode) { 9356b091c53000c843211c218ce40287a7edca9bc63Daniel Lam freeAllBuffersLocked(); 9366b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } else { 9376b091c53000c843211c218ce40287a7edca9bc63Daniel Lam freeAllBuffersExceptHeadLocked(); 9386b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 9396b091c53000c843211c218ce40287a7edca9bc63Daniel Lam } 9406b091c53000c843211c218ce40287a7edca9bc63Daniel Lam return err; 9416b091c53000c843211c218ce40287a7edca9bc63Daniel Lam} 9426b091c53000c843211c218ce40287a7edca9bc63Daniel Lam 9436b091c53000c843211c218ce40287a7edca9bc63Daniel Lam}; // namespace android 944