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/*
* Copyright (C) 2013 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 ATRACE_TAG ATRACE_TAG_RS
#include "rsContext.h"
#include "rsAllocation.h"
#include "rsAdapter.h"
#include "rs_hal.h"
#include <cutils/compiler.h>
#include <utils/Log.h>
#include "rsGrallocConsumer.h"
#include <gui/BufferItem.h>
#include <ui/GraphicBuffer.h>
namespace android {
namespace renderscript {
GrallocConsumer::GrallocConsumer(Allocation *a, const sp<IGraphicBufferConsumer>& bq, int flags) :
ConsumerBase(bq, true)
{
mAlloc = a;
if (flags == 0) {
flags = GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_RENDERSCRIPT;
} else {
flags |= GRALLOC_USAGE_RENDERSCRIPT;
}
mConsumer->setConsumerUsageBits(flags);
mConsumer->setMaxAcquiredBufferCount(2);
uint32_t y = a->mHal.drvState.lod[0].dimY;
if (y < 1) y = 1;
mConsumer->setDefaultBufferSize(a->mHal.drvState.lod[0].dimX, y);
if (a->mHal.state.yuv) {
bq->setDefaultBufferFormat(a->mHal.state.yuv);
}
//mBufferQueue->setConsumerName(name);
}
GrallocConsumer::~GrallocConsumer() {
// ConsumerBase destructor does all the work.
}
status_t GrallocConsumer::lockNextBuffer() {
Mutex::Autolock _l(mMutex);
status_t err;
if (mAcquiredBuffer.mSlot != BufferQueue::INVALID_BUFFER_SLOT) {
err = releaseAcquiredBufferLocked();
if (err) {
return err;
}
}
BufferItem b;
err = acquireBufferLocked(&b, 0);
if (err != OK) {
if (err == BufferQueue::NO_BUFFER_AVAILABLE) {
return BAD_VALUE;
} else {
ALOGE("Error acquiring buffer: %s (%d)", strerror(err), err);
return err;
}
}
int buf = b.mBuf;
if (b.mFence.get()) {
err = b.mFence->waitForever("GrallocConsumer::lockNextBuffer");
if (err != OK) {
ALOGE("Failed to wait for fence of acquired buffer: %s (%d)",
strerror(-err), err);
return err;
}
}
void *bufferPointer = nullptr;
android_ycbcr ycbcr = android_ycbcr();
if (mSlots[buf].mGraphicBuffer->getPixelFormat() ==
HAL_PIXEL_FORMAT_YCbCr_420_888) {
err = mSlots[buf].mGraphicBuffer->lockYCbCr(
GraphicBuffer::USAGE_SW_READ_OFTEN,
b.mCrop,
&ycbcr);
if (err != OK) {
ALOGE("Unable to lock YCbCr buffer for CPU reading: %s (%d)",
strerror(-err), err);
return err;
}
bufferPointer = ycbcr.y;
} else {
err = mSlots[buf].mGraphicBuffer->lock(
GraphicBuffer::USAGE_SW_READ_OFTEN,
b.mCrop,
&bufferPointer);
if (err != OK) {
ALOGE("Unable to lock buffer for CPU reading: %s (%d)",
strerror(-err), err);
return err;
}
}
size_t lockedIdx = 0;
assert(mAcquiredBuffer.mSlot == BufferQueue::INVALID_BUFFER_SLOT);
mAcquiredBuffer.mSlot = buf;
mAcquiredBuffer.mBufferPointer = bufferPointer;
mAcquiredBuffer.mGraphicBuffer = mSlots[buf].mGraphicBuffer;
mAlloc->mHal.drvState.lod[0].mallocPtr = reinterpret_cast<uint8_t*>(bufferPointer);
mAlloc->mHal.drvState.lod[0].stride = mSlots[buf].mGraphicBuffer->getStride() *
mAlloc->mHal.state.type->getElementSizeBytes();
mAlloc->mHal.state.nativeBuffer = mAcquiredBuffer.mGraphicBuffer->getNativeBuffer();
mAlloc->mHal.state.timestamp = b.mTimestamp;
assert(mAlloc->mHal.drvState.lod[0].dimX ==
mSlots[buf].mGraphicBuffer->getWidth());
assert(mAlloc->mHal.drvState.lod[0].dimY ==
mSlots[buf].mGraphicBuffer->getHeight());
//mAlloc->format = mSlots[buf].mGraphicBuffer->getPixelFormat();
//mAlloc->crop = b.mCrop;
//mAlloc->transform = b.mTransform;
//mAlloc->scalingMode = b.mScalingMode;
//mAlloc->frameNumber = b.mFrameNumber;
if (mAlloc->mHal.state.yuv == HAL_PIXEL_FORMAT_YCbCr_420_888) {
mAlloc->mHal.drvState.lod[1].mallocPtr = ycbcr.cb;
mAlloc->mHal.drvState.lod[2].mallocPtr = ycbcr.cr;
mAlloc->mHal.drvState.lod[0].stride = ycbcr.ystride;
mAlloc->mHal.drvState.lod[1].stride = ycbcr.cstride;
mAlloc->mHal.drvState.lod[2].stride = ycbcr.cstride;
mAlloc->mHal.drvState.yuv.shift = 1;
mAlloc->mHal.drvState.yuv.step = ycbcr.chroma_step;
}
return OK;
}
status_t GrallocConsumer::unlockBuffer() {
Mutex::Autolock _l(mMutex);
return releaseAcquiredBufferLocked();
}
status_t GrallocConsumer::releaseAcquiredBufferLocked() {
status_t err;
err = mAcquiredBuffer.mGraphicBuffer->unlock();
if (err != OK) {
ALOGE("%s: Unable to unlock graphic buffer", __FUNCTION__);
return err;
}
int buf = mAcquiredBuffer.mSlot;
// release the buffer if it hasn't already been freed by the BufferQueue.
// This can happen, for example, when the producer of this buffer
// disconnected after this buffer was acquired.
if (CC_LIKELY(mAcquiredBuffer.mGraphicBuffer ==
mSlots[buf].mGraphicBuffer)) {
releaseBufferLocked(
buf, mAcquiredBuffer.mGraphicBuffer,
EGL_NO_DISPLAY, EGL_NO_SYNC_KHR);
}
mAcquiredBuffer.mSlot = BufferQueue::INVALID_BUFFER_SLOT;
mAcquiredBuffer.mBufferPointer = nullptr;
mAcquiredBuffer.mGraphicBuffer.clear();
return OK;
}
} // namespace renderscript
} // namespace android
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