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/BufferItemConsumer.h> 23 24 #define BI_LOGV(x, ...) ALOGV("[%s] "x, mName.string(), ##__VA_ARGS__) 25 #define BI_LOGD(x, ...) ALOGD("[%s] "x, mName.string(), ##__VA_ARGS__) 26 #define BI_LOGI(x, ...) ALOGI("[%s] "x, mName.string(), ##__VA_ARGS__) 27 #define BI_LOGW(x, ...) ALOGW("[%s] "x, mName.string(), ##__VA_ARGS__) 28 #define BI_LOGE(x, ...) ALOGE("[%s] "x, mName.string(), ##__VA_ARGS__) 29 30 namespace android { 31 32 BufferItemConsumer::BufferItemConsumer(uint32_t consumerUsage, 33 int bufferCount, bool synchronousMode) : 34 ConsumerBase(new BufferQueue(true) ) 35 { 36 mBufferQueue->setConsumerUsageBits(consumerUsage); 37 mBufferQueue->setSynchronousMode(synchronousMode); 38 mBufferQueue->setMaxAcquiredBufferCount(bufferCount); 39 } 40 41 BufferItemConsumer::~BufferItemConsumer() { 42 } 43 44 void BufferItemConsumer::setName(const String8& name) { 45 Mutex::Autolock _l(mMutex); 46 mName = name; 47 mBufferQueue->setConsumerName(name); 48 } 49 50 status_t BufferItemConsumer::acquireBuffer(BufferItem *item, bool waitForFence) { 51 status_t err; 52 53 if (!item) return BAD_VALUE; 54 55 Mutex::Autolock _l(mMutex); 56 57 err = acquireBufferLocked(item); 58 if (err != OK) { 59 if (err != NO_BUFFER_AVAILABLE) { 60 BI_LOGE("Error acquiring buffer: %s (%d)", strerror(err), err); 61 } 62 return err; 63 } 64 65 if (waitForFence) { 66 err = item->mFence->waitForever("BufferItemConsumer::acquireBuffer"); 67 if (err != OK) { 68 BI_LOGE("Failed to wait for fence of acquired buffer: %s (%d)", 69 strerror(-err), err); 70 return err; 71 } 72 } 73 74 item->mGraphicBuffer = mSlots[item->mBuf].mGraphicBuffer; 75 76 return OK; 77 } 78 79 status_t BufferItemConsumer::releaseBuffer(const BufferItem &item, 80 const sp<Fence>& releaseFence) { 81 status_t err; 82 83 Mutex::Autolock _l(mMutex); 84 85 err = addReleaseFenceLocked(item.mBuf, releaseFence); 86 87 err = releaseBufferLocked(item.mBuf, EGL_NO_DISPLAY, 88 EGL_NO_SYNC_KHR); 89 if (err != OK) { 90 BI_LOGE("Failed to release buffer: %s (%d)", 91 strerror(-err), err); 92 } 93 return err; 94 } 95 96 status_t BufferItemConsumer::setDefaultBufferSize(uint32_t w, uint32_t h) { 97 Mutex::Autolock _l(mMutex); 98 return mBufferQueue->setDefaultBufferSize(w, h); 99 } 100 101 status_t BufferItemConsumer::setDefaultBufferFormat(uint32_t defaultFormat) { 102 Mutex::Autolock _l(mMutex); 103 return mBufferQueue->setDefaultBufferFormat(defaultFormat); 104 } 105 106 } // namespace android 107
