1/* 2 * Copyright (C) 2012 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17//#define LOG_NDEBUG 0 18#define LOG_TAG "BufferItemConsumer" 19//#define ATRACE_TAG ATRACE_TAG_GRAPHICS 20#include <utils/Log.h> 21 22#include <gui/BufferItem.h> 23#include <gui/BufferItemConsumer.h> 24 25//#define BI_LOGV(x, ...) ALOGV("[%s] " x, mName.string(), ##__VA_ARGS__) 26//#define BI_LOGD(x, ...) ALOGD("[%s] " x, mName.string(), ##__VA_ARGS__) 27//#define BI_LOGI(x, ...) ALOGI("[%s] " x, mName.string(), ##__VA_ARGS__) 28//#define BI_LOGW(x, ...) ALOGW("[%s] " x, mName.string(), ##__VA_ARGS__) 29#define BI_LOGE(x, ...) ALOGE("[%s] " x, mName.string(), ##__VA_ARGS__) 30 31namespace android { 32 33BufferItemConsumer::BufferItemConsumer( 34 const sp<IGraphicBufferConsumer>& consumer, uint32_t consumerUsage, 35 int bufferCount, bool controlledByApp) : 36 ConsumerBase(consumer, controlledByApp) 37{ 38 status_t err = mConsumer->setConsumerUsageBits(consumerUsage); 39 LOG_ALWAYS_FATAL_IF(err != OK, 40 "Failed to set consumer usage bits to %#x", consumerUsage); 41 if (bufferCount != DEFAULT_MAX_BUFFERS) { 42 err = mConsumer->setMaxAcquiredBufferCount(bufferCount); 43 LOG_ALWAYS_FATAL_IF(err != OK, 44 "Failed to set max acquired buffer count to %d", bufferCount); 45 } 46} 47 48BufferItemConsumer::~BufferItemConsumer() {} 49 50void BufferItemConsumer::setName(const String8& name) { 51 Mutex::Autolock _l(mMutex); 52 if (mAbandoned) { 53 BI_LOGE("setName: BufferItemConsumer is abandoned!"); 54 return; 55 } 56 mName = name; 57 mConsumer->setConsumerName(name); 58} 59 60status_t BufferItemConsumer::acquireBuffer(BufferItem *item, 61 nsecs_t presentWhen, bool waitForFence) { 62 status_t err; 63 64 if (!item) return BAD_VALUE; 65 66 Mutex::Autolock _l(mMutex); 67 68 err = acquireBufferLocked(item, presentWhen); 69 if (err != OK) { 70 if (err != NO_BUFFER_AVAILABLE) { 71 BI_LOGE("Error acquiring buffer: %s (%d)", strerror(err), err); 72 } 73 return err; 74 } 75 76 if (waitForFence) { 77 err = item->mFence->waitForever("BufferItemConsumer::acquireBuffer"); 78 if (err != OK) { 79 BI_LOGE("Failed to wait for fence of acquired buffer: %s (%d)", 80 strerror(-err), err); 81 return err; 82 } 83 } 84 85 item->mGraphicBuffer = mSlots[item->mSlot].mGraphicBuffer; 86 87 return OK; 88} 89 90status_t BufferItemConsumer::releaseBuffer(const BufferItem &item, 91 const sp<Fence>& releaseFence) { 92 status_t err; 93 94 Mutex::Autolock _l(mMutex); 95 96 err = addReleaseFenceLocked(item.mSlot, item.mGraphicBuffer, releaseFence); 97 98 err = releaseBufferLocked(item.mSlot, item.mGraphicBuffer, EGL_NO_DISPLAY, 99 EGL_NO_SYNC_KHR); 100 if (err != OK) { 101 BI_LOGE("Failed to release buffer: %s (%d)", 102 strerror(-err), err); 103 } 104 return err; 105} 106 107} // namespace android 108