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( 33 const sp<IGraphicBufferConsumer>& consumer, uint32_t consumerUsage, 34 int bufferCount, bool controlledByApp) : 35 ConsumerBase(consumer, controlledByApp) 36 { 37 status_t err = mConsumer->setConsumerUsageBits(consumerUsage); 38 LOG_ALWAYS_FATAL_IF(err != OK, 39 "Failed to set consumer usage bits to %#x", consumerUsage); 40 if (bufferCount != DEFAULT_MAX_BUFFERS) { 41 err = mConsumer->setMaxAcquiredBufferCount(bufferCount); 42 LOG_ALWAYS_FATAL_IF(err != OK, 43 "Failed to set max acquired buffer count to %d", bufferCount); 44 } 45 } 46 47 BufferItemConsumer::~BufferItemConsumer() { 48 } 49 50 void BufferItemConsumer::setName(const String8& name) { 51 Mutex::Autolock _l(mMutex); 52 mName = name; 53 mConsumer->setConsumerName(name); 54 } 55 56 status_t BufferItemConsumer::acquireBuffer(BufferItem *item, 57 nsecs_t presentWhen, bool waitForFence) { 58 status_t err; 59 60 if (!item) return BAD_VALUE; 61 62 Mutex::Autolock _l(mMutex); 63 64 err = acquireBufferLocked(item, presentWhen); 65 if (err != OK) { 66 if (err != NO_BUFFER_AVAILABLE) { 67 BI_LOGE("Error acquiring buffer: %s (%d)", strerror(err), err); 68 } 69 return err; 70 } 71 72 if (waitForFence) { 73 err = item->mFence->waitForever("BufferItemConsumer::acquireBuffer"); 74 if (err != OK) { 75 BI_LOGE("Failed to wait for fence of acquired buffer: %s (%d)", 76 strerror(-err), err); 77 return err; 78 } 79 } 80 81 item->mGraphicBuffer = mSlots[item->mBuf].mGraphicBuffer; 82 83 return OK; 84 } 85 86 status_t BufferItemConsumer::releaseBuffer(const BufferItem &item, 87 const sp<Fence>& releaseFence) { 88 status_t err; 89 90 Mutex::Autolock _l(mMutex); 91 92 err = addReleaseFenceLocked(item.mBuf, item.mGraphicBuffer, releaseFence); 93 94 err = releaseBufferLocked(item.mBuf, item.mGraphicBuffer, EGL_NO_DISPLAY, 95 EGL_NO_SYNC_KHR); 96 if (err != OK) { 97 BI_LOGE("Failed to release buffer: %s (%d)", 98 strerror(-err), err); 99 } 100 return err; 101 } 102 103 status_t BufferItemConsumer::setDefaultBufferSize(uint32_t w, uint32_t h) { 104 Mutex::Autolock _l(mMutex); 105 return mConsumer->setDefaultBufferSize(w, h); 106 } 107 108 status_t BufferItemConsumer::setDefaultBufferFormat(uint32_t defaultFormat) { 109 Mutex::Autolock _l(mMutex); 110 return mConsumer->setDefaultBufferFormat(defaultFormat); 111 } 112 113 } // namespace android 114
