ConsumerBase.cpp revision 7aff4a5de47bf32b0934f5744cd1df4ce666d2d2
11a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis/* 21a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis * Copyright (C) 2010 The Android Open Source Project 31a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis * 41a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis * Licensed under the Apache License, Version 2.0 (the "License"); 51a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis * you may not use this file except in compliance with the License. 61a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis * You may obtain a copy of the License at 71a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis * 81a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis * http://www.apache.org/licenses/LICENSE-2.0 91a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis * 101a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis * Unless required by applicable law or agreed to in writing, software 111a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis * distributed under the License is distributed on an "AS IS" BASIS, 121a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 131a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis * See the License for the specific language governing permissions and 141a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis * limitations under the License. 151a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis */ 161a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis 171a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis#define LOG_TAG "ConsumerBase" 181a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis#define ATRACE_TAG ATRACE_TAG_GRAPHICS 191a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis//#define LOG_NDEBUG 0 201a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis 211a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis#define GL_GLEXT_PROTOTYPES 221a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis#define EGL_EGLEXT_PROTOTYPES 231a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis 241a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis#include <EGL/egl.h> 251a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis#include <EGL/eglext.h> 261a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis 271a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis#include <hardware/hardware.h> 281a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis 291a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis#include <gui/IGraphicBufferAlloc.h> 301a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis#include <gui/ISurfaceComposer.h> 311a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis#include <gui/SurfaceComposerClient.h> 321a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis#include <gui/ConsumerBase.h> 331a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis 341a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis#include <private/gui/ComposerService.h> 351a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis 361a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis#include <utils/Log.h> 371a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis#include <utils/String8.h> 381a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis#include <utils/Trace.h> 391a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis 401a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis// Macros for including the ConsumerBase name in log messages 411a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis#define CB_LOGV(x, ...) ALOGV("[%s] "x, mName.string(), ##__VA_ARGS__) 421a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis#define CB_LOGD(x, ...) ALOGD("[%s] "x, mName.string(), ##__VA_ARGS__) 431a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis#define CB_LOGI(x, ...) ALOGI("[%s] "x, mName.string(), ##__VA_ARGS__) 441a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis#define CB_LOGW(x, ...) ALOGW("[%s] "x, mName.string(), ##__VA_ARGS__) 451a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis#define CB_LOGE(x, ...) ALOGE("[%s] "x, mName.string(), ##__VA_ARGS__) 461a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis 471a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennisnamespace android { 481a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis 491a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis// Get an ID that's unique within this process. 501a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennisstatic int32_t createProcessUniqueId() { 511a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis static volatile int32_t globalCounter = 0; 521a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis return android_atomic_inc(&globalCounter); 531a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis} 541a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis 551a4d883dcc1725892bfb5c28dec255a233186524Jamie GennisConsumerBase::ConsumerBase(const sp<BufferQueue>& bufferQueue) : 569fea3421ffddf6480f57f55a25936a886043d909Jamie Gennis mAbandoned(false), 579fea3421ffddf6480f57f55a25936a886043d909Jamie Gennis mBufferQueue(bufferQueue) { 581a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis // Choose a name using the PID and a process-unique ID. 591a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis mName = String8::format("unnamed-%d-%d", getpid(), createProcessUniqueId()); 601a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis 611a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis // Note that we can't create an sp<...>(this) in a ctor that will not keep a 621a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis // reference once the ctor ends, as that would cause the refcount of 'this' 631a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis // dropping to 0 at the end of the ctor. Since all we need is a wp<...> 641a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis // that's what we create. 651a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis wp<BufferQueue::ConsumerListener> listener; 661a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis sp<BufferQueue::ConsumerListener> proxy; 671a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis listener = static_cast<BufferQueue::ConsumerListener*>(this); 681a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis proxy = new BufferQueue::ProxyConsumerListener(listener); 691a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis 701a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis status_t err = mBufferQueue->consumerConnect(proxy); 711a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis if (err != NO_ERROR) { 721a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis CB_LOGE("SurfaceTexture: error connecting to BufferQueue: %s (%d)", 731a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis strerror(-err), err); 741a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis } else { 751a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis mBufferQueue->setConsumerName(mName); 761a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis } 771a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis} 781a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis 791a4d883dcc1725892bfb5c28dec255a233186524Jamie GennisConsumerBase::~ConsumerBase() { 801a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis CB_LOGV("~ConsumerBase"); 811a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis abandon(); 821a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis} 831a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis 841a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennisvoid ConsumerBase::freeBufferLocked(int slotIndex) { 851a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis CB_LOGV("freeBufferLocked: slotIndex=%d", slotIndex); 861a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis mSlots[slotIndex].mGraphicBuffer = 0; 871a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis mSlots[slotIndex].mFence = 0; 881a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis} 891a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis 901a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis// Used for refactoring, should not be in final interface 911a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennissp<BufferQueue> ConsumerBase::getBufferQueue() const { 921a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis Mutex::Autolock lock(mMutex); 931a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis return mBufferQueue; 941a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis} 951a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis 961a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennisvoid ConsumerBase::onFrameAvailable() { 971a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis CB_LOGV("onFrameAvailable"); 981a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis 991a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis sp<FrameAvailableListener> listener; 1001a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis { // scope for the lock 1011a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis Mutex::Autolock lock(mMutex); 1021a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis listener = mFrameAvailableListener; 1031a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis } 1041a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis 1051a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis if (listener != NULL) { 1061a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis CB_LOGV("actually calling onFrameAvailable"); 1071a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis listener->onFrameAvailable(); 1081a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis } 1091a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis} 1101a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis 1111a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennisvoid ConsumerBase::onBuffersReleased() { 1121a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis Mutex::Autolock lock(mMutex); 1131a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis 1141a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis CB_LOGV("onBuffersReleased"); 1151a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis 1161a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis if (mAbandoned) { 1171a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis // Nothing to do if we're already abandoned. 1181a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis return; 1191a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis } 1201a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis 1211a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis uint32_t mask = 0; 1221a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis mBufferQueue->getReleasedBuffers(&mask); 1231a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis for (int i = 0; i < BufferQueue::NUM_BUFFER_SLOTS; i++) { 1241a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis if (mask & (1 << i)) { 1251a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis freeBufferLocked(i); 1261a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis } 1271a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis } 1281a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis} 1291a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis 1301a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennisvoid ConsumerBase::abandon() { 1311a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis CB_LOGV("abandon"); 1321a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis Mutex::Autolock lock(mMutex); 1331a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis 1341a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis if (!mAbandoned) { 1351a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis abandonLocked(); 1361a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis mAbandoned = true; 1371a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis } 1381a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis} 1391a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis 1401a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennisvoid ConsumerBase::abandonLocked() { 1411a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis CB_LOGV("abandonLocked"); 1421a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis for (int i =0; i < BufferQueue::NUM_BUFFER_SLOTS; i++) { 1431a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis freeBufferLocked(i); 1441a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis } 1451a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis // disconnect from the BufferQueue 1461a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis mBufferQueue->consumerDisconnect(); 1471a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis mBufferQueue.clear(); 1481a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis} 1491a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis 1501a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennisvoid ConsumerBase::setFrameAvailableListener( 1511a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis const sp<FrameAvailableListener>& listener) { 1521a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis CB_LOGV("setFrameAvailableListener"); 1531a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis Mutex::Autolock lock(mMutex); 1541a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis mFrameAvailableListener = listener; 1551a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis} 1561a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis 1571a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennisvoid ConsumerBase::dump(String8& result) const { 1581a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis char buffer[1024]; 1591a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis dump(result, "", buffer, 1024); 1601a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis} 1611a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis 1621a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennisvoid ConsumerBase::dump(String8& result, const char* prefix, 1631a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis char* buffer, size_t size) const { 1641a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis Mutex::Autolock _l(mMutex); 1651a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis dumpLocked(result, prefix, buffer, size); 1661a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis} 1671a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis 1681a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennisvoid ConsumerBase::dumpLocked(String8& result, const char* prefix, 1691a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis char* buffer, size_t SIZE) const { 1701a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis snprintf(buffer, SIZE, "%smAbandoned=%d\n", prefix, int(mAbandoned)); 1711a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis result.append(buffer); 1721a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis 1731a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis if (!mAbandoned) { 1741a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis mBufferQueue->dump(result, prefix, buffer, SIZE); 1751a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis } 1761a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis} 1771a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis 1781a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennisstatus_t ConsumerBase::acquireBufferLocked(BufferQueue::BufferItem *item) { 1791a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis status_t err = mBufferQueue->acquireBuffer(item); 1801a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis if (err != NO_ERROR) { 1811a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis return err; 1821a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis } 1831a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis 1841a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis if (item->mGraphicBuffer != NULL) { 1851a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis mSlots[item->mBuf].mGraphicBuffer = item->mGraphicBuffer; 1861a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis } 1871a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis 188b27254154642575dfb4bbfa79fbedde7d7ee23ddJamie Gennis mSlots[item->mBuf].mFence = item->mFence; 189b27254154642575dfb4bbfa79fbedde7d7ee23ddJamie Gennis 1901a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis CB_LOGV("acquireBufferLocked: -> slot=%d", item->mBuf); 1911a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis 1921a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis return OK; 1931a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis} 1941a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis 195b27254154642575dfb4bbfa79fbedde7d7ee23ddJamie Gennisstatus_t ConsumerBase::addReleaseFence(int slot, const sp<Fence>& fence) { 196b27254154642575dfb4bbfa79fbedde7d7ee23ddJamie Gennis CB_LOGV("addReleaseFence: slot=%d", slot); 197b27254154642575dfb4bbfa79fbedde7d7ee23ddJamie Gennis 198b27254154642575dfb4bbfa79fbedde7d7ee23ddJamie Gennis if (!mSlots[slot].mFence.get()) { 199b27254154642575dfb4bbfa79fbedde7d7ee23ddJamie Gennis mSlots[slot].mFence = fence; 200b27254154642575dfb4bbfa79fbedde7d7ee23ddJamie Gennis } else { 201b27254154642575dfb4bbfa79fbedde7d7ee23ddJamie Gennis sp<Fence> mergedFence = Fence::merge( 2027aff4a5de47bf32b0934f5744cd1df4ce666d2d2Jamie Gennis String8::format("%.28s:%d", mName.string(), slot), 203b27254154642575dfb4bbfa79fbedde7d7ee23ddJamie Gennis mSlots[slot].mFence, fence); 204b27254154642575dfb4bbfa79fbedde7d7ee23ddJamie Gennis if (!mergedFence.get()) { 205b27254154642575dfb4bbfa79fbedde7d7ee23ddJamie Gennis CB_LOGE("failed to merge release fences"); 206b27254154642575dfb4bbfa79fbedde7d7ee23ddJamie Gennis // synchronization is broken, the best we can do is hope fences 207b27254154642575dfb4bbfa79fbedde7d7ee23ddJamie Gennis // signal in order so the new fence will act like a union 208b27254154642575dfb4bbfa79fbedde7d7ee23ddJamie Gennis mSlots[slot].mFence = fence; 209b27254154642575dfb4bbfa79fbedde7d7ee23ddJamie Gennis return BAD_VALUE; 210b27254154642575dfb4bbfa79fbedde7d7ee23ddJamie Gennis } 211b27254154642575dfb4bbfa79fbedde7d7ee23ddJamie Gennis mSlots[slot].mFence = mergedFence; 212b27254154642575dfb4bbfa79fbedde7d7ee23ddJamie Gennis } 213b27254154642575dfb4bbfa79fbedde7d7ee23ddJamie Gennis 214b27254154642575dfb4bbfa79fbedde7d7ee23ddJamie Gennis return OK; 215b27254154642575dfb4bbfa79fbedde7d7ee23ddJamie Gennis} 216b27254154642575dfb4bbfa79fbedde7d7ee23ddJamie Gennis 2171a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennisstatus_t ConsumerBase::releaseBufferLocked(int slot, EGLDisplay display, 218b27254154642575dfb4bbfa79fbedde7d7ee23ddJamie Gennis EGLSyncKHR eglFence) { 2191a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis CB_LOGV("releaseBufferLocked: slot=%d", slot); 220b27254154642575dfb4bbfa79fbedde7d7ee23ddJamie Gennis status_t err = mBufferQueue->releaseBuffer(slot, display, eglFence, 221b27254154642575dfb4bbfa79fbedde7d7ee23ddJamie Gennis mSlots[slot].mFence); 2221a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis if (err == BufferQueue::STALE_BUFFER_SLOT) { 2231a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis freeBufferLocked(slot); 2241a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis } 2251a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis 2261a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis mSlots[slot].mFence.clear(); 2271a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis 2281a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis return err; 2291a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis} 2301a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis 2311a4d883dcc1725892bfb5c28dec255a233186524Jamie Gennis} // namespace android