308 lines
10 KiB
C++
308 lines
10 KiB
C++
/*
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* Copyright (C) 2013 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#define ATRACE_TAG ATRACE_TAG_RS
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#include "rsContext.h"
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#include "rsAllocation.h"
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#include "rs_hal.h"
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#include <cutils/compiler.h>
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#include <utils/Log.h>
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#include "rsGrallocConsumer.h"
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#include <gui/BufferItem.h>
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#include <ui/GraphicBuffer.h>
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namespace android {
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namespace renderscript {
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GrallocConsumer::GrallocConsumer(Allocation *a, const sp<IGraphicBufferConsumer>& bq, int flags, uint32_t numAlloc) :
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ConsumerBase(bq, true)
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{
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mAlloc = new Allocation *[numAlloc];
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mAcquiredBuffer = new AcquiredBuffer[numAlloc];
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isIdxUsed = new bool[numAlloc];
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mAlloc[0] = a;
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isIdxUsed[0] = true;
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mNumAlloc = numAlloc;
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if (flags == 0) {
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flags = GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_RENDERSCRIPT;
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} else {
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flags |= GRALLOC_USAGE_RENDERSCRIPT;
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}
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mConsumer->setConsumerUsageBits(flags);
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mConsumer->setMaxAcquiredBufferCount(numAlloc + 1);
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uint32_t y = a->mHal.drvState.lod[0].dimY;
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if (y < 1) y = 1;
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mConsumer->setDefaultBufferSize(a->mHal.drvState.lod[0].dimX, y);
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if (a->mHal.state.yuv) {
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bq->setDefaultBufferFormat(a->mHal.state.yuv);
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}
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for (uint32_t i = 1; i < numAlloc; i++) {
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isIdxUsed[i] = false;
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}
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//mBufferQueue->setConsumerName(name);
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}
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GrallocConsumer::~GrallocConsumer() {
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delete[] mAlloc;
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delete[] mAcquiredBuffer;
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delete[] isIdxUsed;
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}
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status_t GrallocConsumer::lockNextBuffer(uint32_t idx) {
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Mutex::Autolock _l(mMutex);
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status_t err;
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if (idx >= mNumAlloc) {
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ALOGE("Invalid buffer index: %d", idx);
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return BAD_VALUE;
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}
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if (mAcquiredBuffer[idx].mSlot != BufferQueue::INVALID_BUFFER_SLOT) {
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err = releaseAcquiredBufferLocked(idx);
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if (err) {
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return err;
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}
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}
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BufferItem b;
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err = acquireBufferLocked(&b, 0);
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if (err != OK) {
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if (err == BufferQueue::NO_BUFFER_AVAILABLE) {
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return BAD_VALUE;
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} else {
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ALOGE("Error acquiring buffer: %s (%d)", strerror(err), err);
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return err;
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}
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}
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int slot = b.mSlot;
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if (b.mFence.get()) {
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err = b.mFence->waitForever("GrallocConsumer::lockNextBuffer");
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if (err != OK) {
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ALOGE("Failed to wait for fence of acquired buffer: %s (%d)",
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strerror(-err), err);
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return err;
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}
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}
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void *bufferPointer = nullptr;
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android_ycbcr ycbcr = android_ycbcr();
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if (mSlots[slot].mGraphicBuffer->getPixelFormat() ==
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HAL_PIXEL_FORMAT_YCbCr_420_888) {
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err = mSlots[slot].mGraphicBuffer->lockYCbCr(
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GraphicBuffer::USAGE_SW_READ_OFTEN,
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b.mCrop,
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&ycbcr);
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if (err != OK) {
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ALOGE("Unable to lock YCbCr buffer for CPU reading: %s (%d)",
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strerror(-err), err);
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return err;
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}
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bufferPointer = ycbcr.y;
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} else {
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err = mSlots[slot].mGraphicBuffer->lock(
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GraphicBuffer::USAGE_SW_READ_OFTEN,
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b.mCrop,
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&bufferPointer);
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if (err != OK) {
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ALOGE("Unable to lock buffer for CPU reading: %s (%d)",
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strerror(-err), err);
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return err;
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}
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}
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size_t lockedIdx = 0;
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rsAssert(mAcquiredBuffer[idx].mSlot == BufferQueue::INVALID_BUFFER_SLOT);
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mAcquiredBuffer[idx].mSlot = slot;
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mAcquiredBuffer[idx].mBufferPointer = bufferPointer;
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mAcquiredBuffer[idx].mGraphicBuffer = mSlots[slot].mGraphicBuffer;
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mAlloc[idx]->mHal.drvState.lod[0].mallocPtr = reinterpret_cast<uint8_t*>(bufferPointer);
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mAlloc[idx]->mHal.drvState.lod[0].stride = mSlots[slot].mGraphicBuffer->getStride() *
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mAlloc[idx]->mHal.state.type->getElementSizeBytes();
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mAlloc[idx]->mHal.state.nativeBuffer = mAcquiredBuffer[idx].mGraphicBuffer->getNativeBuffer();
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mAlloc[idx]->mHal.state.timestamp = b.mTimestamp;
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rsAssert(mAlloc[idx]->mHal.drvState.lod[0].dimX ==
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mSlots[slot].mGraphicBuffer->getWidth());
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rsAssert(mAlloc[idx]->mHal.drvState.lod[0].dimY ==
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mSlots[slot].mGraphicBuffer->getHeight());
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//mAlloc->format = mSlots[buf].mGraphicBuffer->getPixelFormat();
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//mAlloc->crop = b.mCrop;
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//mAlloc->transform = b.mTransform;
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//mAlloc->scalingMode = b.mScalingMode;
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//mAlloc->frameNumber = b.mFrameNumber;
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// For YUV Allocations, we need to populate the drvState with details of how
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// the data is layed out.
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// RenderScript requests a buffer in the YCbCr_420_888 format.
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// The Camera HAL can return a buffer of YCbCr_420_888 or YV12, regardless
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// of the requested format.
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// mHal.state.yuv contains the requested format,
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// mGraphicBuffer->getPixelFormat() is the returned format.
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if (mAlloc[idx]->mHal.state.yuv == HAL_PIXEL_FORMAT_YCbCr_420_888) {
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const int yWidth = mAlloc[idx]->mHal.drvState.lod[0].dimX;
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const int yHeight = mAlloc[idx]->mHal.drvState.lod[0].dimY;
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if (mSlots[slot].mGraphicBuffer->getPixelFormat() ==
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HAL_PIXEL_FORMAT_YCbCr_420_888) {
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const int cWidth = yWidth / 2;
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const int cHeight = yHeight / 2;
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mAlloc[idx]->mHal.drvState.lod[1].dimX = cWidth;
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mAlloc[idx]->mHal.drvState.lod[1].dimY = cHeight;
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mAlloc[idx]->mHal.drvState.lod[2].dimX = cWidth;
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mAlloc[idx]->mHal.drvState.lod[2].dimY = cHeight;
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mAlloc[idx]->mHal.drvState.lod[0].mallocPtr = ycbcr.y;
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mAlloc[idx]->mHal.drvState.lod[1].mallocPtr = ycbcr.cb;
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mAlloc[idx]->mHal.drvState.lod[2].mallocPtr = ycbcr.cr;
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mAlloc[idx]->mHal.drvState.lod[0].stride = ycbcr.ystride;
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mAlloc[idx]->mHal.drvState.lod[1].stride = ycbcr.cstride;
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mAlloc[idx]->mHal.drvState.lod[2].stride = ycbcr.cstride;
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mAlloc[idx]->mHal.drvState.yuv.shift = 1;
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mAlloc[idx]->mHal.drvState.yuv.step = ycbcr.chroma_step;
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mAlloc[idx]->mHal.drvState.lodCount = 3;
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} else if (mSlots[slot].mGraphicBuffer->getPixelFormat() ==
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HAL_PIXEL_FORMAT_YV12) {
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// For YV12, the data layout is Y, followed by Cr, followed by Cb;
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// for YCbCr_420_888, it's Y, followed by Cb, followed by Cr.
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// RenderScript assumes lod[0] is Y, lod[1] is Cb, and lod[2] is Cr.
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const int cWidth = yWidth / 2;
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const int cHeight = yHeight / 2;
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mAlloc[idx]->mHal.drvState.lod[1].dimX = cWidth;
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mAlloc[idx]->mHal.drvState.lod[1].dimY = cHeight;
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mAlloc[idx]->mHal.drvState.lod[2].dimX = cWidth;
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mAlloc[idx]->mHal.drvState.lod[2].dimY = cHeight;
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size_t yStride = rsRound(yWidth *
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mAlloc[idx]->mHal.state.type->getElementSizeBytes(), 16);
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size_t cStride = rsRound(yStride >> 1, 16);
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uint8_t *yPtr = (uint8_t *)mAlloc[idx]->mHal.drvState.lod[0].mallocPtr;
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uint8_t *crPtr = yPtr + yStride * yHeight;
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uint8_t *cbPtr = crPtr + cStride * cHeight;
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mAlloc[idx]->mHal.drvState.lod[1].mallocPtr = cbPtr;
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mAlloc[idx]->mHal.drvState.lod[2].mallocPtr = crPtr;
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mAlloc[idx]->mHal.drvState.lod[0].stride = yStride;
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mAlloc[idx]->mHal.drvState.lod[1].stride = cStride;
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mAlloc[idx]->mHal.drvState.lod[2].stride = cStride;
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mAlloc[idx]->mHal.drvState.yuv.shift = 1;
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mAlloc[idx]->mHal.drvState.yuv.step = 1;
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mAlloc[idx]->mHal.drvState.lodCount = 3;
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} else {
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ALOGD("Unrecognized format: %d",
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mSlots[slot].mGraphicBuffer->getPixelFormat());
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}
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}
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return OK;
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}
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status_t GrallocConsumer::unlockBuffer(uint32_t idx) {
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Mutex::Autolock _l(mMutex);
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return releaseAcquiredBufferLocked(idx);
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}
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status_t GrallocConsumer::releaseAcquiredBufferLocked(uint32_t idx) {
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status_t err;
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if (idx >= mNumAlloc) {
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ALOGE("Invalid buffer index: %d", idx);
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return BAD_VALUE;
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}
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if (mAcquiredBuffer[idx].mGraphicBuffer == nullptr) {
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return OK;
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}
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err = mAcquiredBuffer[idx].mGraphicBuffer->unlock();
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if (err != OK) {
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ALOGE("%s: Unable to unlock graphic buffer", __FUNCTION__);
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return err;
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}
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int buf = mAcquiredBuffer[idx].mSlot;
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// release the buffer if it hasn't already been freed by the BufferQueue.
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// This can happen, for example, when the producer of this buffer
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// disconnected after this buffer was acquired.
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if (CC_LIKELY(mAcquiredBuffer[idx].mGraphicBuffer ==
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mSlots[buf].mGraphicBuffer)) {
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releaseBufferLocked(
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buf, mAcquiredBuffer[idx].mGraphicBuffer,
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EGL_NO_DISPLAY, EGL_NO_SYNC_KHR);
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}
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mAcquiredBuffer[idx].mSlot = BufferQueue::INVALID_BUFFER_SLOT;
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mAcquiredBuffer[idx].mBufferPointer = nullptr;
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mAcquiredBuffer[idx].mGraphicBuffer.clear();
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return OK;
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}
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uint32_t GrallocConsumer::getNextAvailableIdx(Allocation *a) {
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for (uint32_t i = 0; i < mNumAlloc; i++) {
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if (isIdxUsed[i] == false) {
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mAlloc[i] = a;
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isIdxUsed[i] = true;
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return i;
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}
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}
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return mNumAlloc;
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}
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bool GrallocConsumer::releaseIdx(uint32_t idx) {
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if (idx >= mNumAlloc) {
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ALOGE("Invalid buffer index: %d", idx);
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return false;
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}
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if (isIdxUsed[idx] == false) {
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ALOGV("Buffer index already released: %d", idx);
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return true;
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}
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status_t err;
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err = unlockBuffer(idx);
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if (err != OK) {
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ALOGE("Unable to unlock graphic buffer");
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return false;
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}
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mAlloc[idx] = nullptr;
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isIdxUsed[idx] = false;
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return true;
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}
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} // namespace renderscript
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} // namespace android
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