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/*
* Copyright (C) 2012 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
//#define LOG_NDEBUG 0
#define LOG_TAG "BufferItemConsumer"
//#define ATRACE_TAG ATRACE_TAG_GRAPHICS
#include <utils/Log.h>
#include <gui/BufferItem.h>
#include <gui/BufferItemConsumer.h>
//#define BI_LOGV(x, ...) ALOGV("[%s] " x, mName.string(), ##__VA_ARGS__)
//#define BI_LOGD(x, ...) ALOGD("[%s] " x, mName.string(), ##__VA_ARGS__)
//#define BI_LOGI(x, ...) ALOGI("[%s] " x, mName.string(), ##__VA_ARGS__)
//#define BI_LOGW(x, ...) ALOGW("[%s] " x, mName.string(), ##__VA_ARGS__)
#define BI_LOGE(x, ...) ALOGE("[%s] " x, mName.string(), ##__VA_ARGS__)
namespace android {
BufferItemConsumer::BufferItemConsumer(
const sp<IGraphicBufferConsumer>& consumer, uint32_t consumerUsage,
int bufferCount, bool controlledByApp) :
ConsumerBase(consumer, controlledByApp)
{
status_t err = mConsumer->setConsumerUsageBits(consumerUsage);
LOG_ALWAYS_FATAL_IF(err != OK,
"Failed to set consumer usage bits to %#x", consumerUsage);
if (bufferCount != DEFAULT_MAX_BUFFERS) {
err = mConsumer->setMaxAcquiredBufferCount(bufferCount);
LOG_ALWAYS_FATAL_IF(err != OK,
"Failed to set max acquired buffer count to %d", bufferCount);
}
}
BufferItemConsumer::~BufferItemConsumer() {}
void BufferItemConsumer::setName(const String8& name) {
Mutex::Autolock _l(mMutex);
mName = name;
mConsumer->setConsumerName(name);
}
status_t BufferItemConsumer::acquireBuffer(BufferQueue::BufferItem *item,
nsecs_t presentWhen, bool waitForFence) {
status_t err;
if (!item) return BAD_VALUE;
Mutex::Autolock _l(mMutex);
err = acquireBufferLocked(item, presentWhen);
if (err != OK) {
if (err != NO_BUFFER_AVAILABLE) {
BI_LOGE("Error acquiring buffer: %s (%d)", strerror(err), err);
}
return err;
}
if (waitForFence) {
err = item->mFence->waitForever("BufferItemConsumer::acquireBuffer");
if (err != OK) {
BI_LOGE("Failed to wait for fence of acquired buffer: %s (%d)",
strerror(-err), err);
return err;
}
}
item->mGraphicBuffer = mSlots[item->mBuf].mGraphicBuffer;
return OK;
}
status_t BufferItemConsumer::acquireBuffer(android::BufferItem* outItem,
nsecs_t presentWhen, bool waitForFence) {
BufferQueue::BufferItem item;
status_t result = acquireBuffer(&item, presentWhen, waitForFence);
if (result != NO_ERROR) {
return result;
}
*outItem = item;
return NO_ERROR;
}
status_t BufferItemConsumer::releaseBuffer(const BufferItem &item,
const sp<Fence>& releaseFence) {
status_t err;
Mutex::Autolock _l(mMutex);
err = addReleaseFenceLocked(item.mBuf, item.mGraphicBuffer, releaseFence);
err = releaseBufferLocked(item.mBuf, item.mGraphicBuffer, EGL_NO_DISPLAY,
EGL_NO_SYNC_KHR);
if (err != OK) {
BI_LOGE("Failed to release buffer: %s (%d)",
strerror(-err), err);
}
return err;
}
status_t BufferItemConsumer::setDefaultBufferSize(uint32_t w, uint32_t h) {
Mutex::Autolock _l(mMutex);
return mConsumer->setDefaultBufferSize(w, h);
}
status_t BufferItemConsumer::setDefaultBufferFormat(PixelFormat defaultFormat) {
Mutex::Autolock _l(mMutex);
return mConsumer->setDefaultBufferFormat(defaultFormat);
}
status_t BufferItemConsumer::setDefaultBufferDataSpace(
android_dataspace defaultDataSpace) {
Mutex::Autolock _l(mMutex);
return mConsumer->setDefaultBufferDataSpace(defaultDataSpace);
}
} // namespace android
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