122 lines
3.9 KiB
C++
122 lines
3.9 KiB
C++
/*
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* Copyright 2011, Blender Foundation.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* Contributor:
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* Jeroen Bakker
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* Monique Dewanchand
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*/
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#include "COM_VectorBlurOperation.h"
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#include "BLI_math.h"
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#include "MEM_guardedalloc.h"
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// use the implementation of blender internal renderer to calculate the vector blur.
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extern "C" {
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# include "RE_pipeline.h"
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}
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VectorBlurOperation::VectorBlurOperation() : NodeOperation()
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{
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this->addInputSocket(COM_DT_COLOR);
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this->addInputSocket(COM_DT_VALUE); // ZBUF
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this->addInputSocket(COM_DT_COLOR); //SPEED
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this->addOutputSocket(COM_DT_COLOR);
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this->m_settings = NULL;
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this->m_cachedInstance = NULL;
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this->m_inputImageProgram = NULL;
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this->m_inputSpeedProgram = NULL;
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this->m_inputZProgram = NULL;
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setComplex(true);
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}
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void VectorBlurOperation::initExecution()
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{
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initMutex();
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this->m_inputImageProgram = getInputSocketReader(0);
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this->m_inputZProgram = getInputSocketReader(1);
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this->m_inputSpeedProgram = getInputSocketReader(2);
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this->m_cachedInstance = NULL;
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QualityStepHelper::initExecution(COM_QH_INCREASE);
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}
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void VectorBlurOperation::executePixel(float output[4], int x, int y, void *data)
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{
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float *buffer = (float *) data;
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int index = (y * this->getWidth() + x) * COM_NUMBER_OF_CHANNELS;
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copy_v4_v4(output, &buffer[index]);
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}
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void VectorBlurOperation::deinitExecution()
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{
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deinitMutex();
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this->m_inputImageProgram = NULL;
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this->m_inputSpeedProgram = NULL;
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this->m_inputZProgram = NULL;
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if (this->m_cachedInstance) {
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MEM_freeN(this->m_cachedInstance);
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this->m_cachedInstance = NULL;
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}
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}
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void *VectorBlurOperation::initializeTileData(rcti *rect)
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{
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if (this->m_cachedInstance) {
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return this->m_cachedInstance;
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}
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lockMutex();
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if (this->m_cachedInstance == NULL) {
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MemoryBuffer *tile = (MemoryBuffer *)this->m_inputImageProgram->initializeTileData(rect);
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MemoryBuffer *speed = (MemoryBuffer *)this->m_inputSpeedProgram->initializeTileData(rect);
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MemoryBuffer *z = (MemoryBuffer *)this->m_inputZProgram->initializeTileData(rect);
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float *data = (float *)MEM_dupallocN(tile->getBuffer());
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this->generateVectorBlur(data, tile, speed, z);
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this->m_cachedInstance = data;
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}
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unlockMutex();
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return this->m_cachedInstance;
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}
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bool VectorBlurOperation::determineDependingAreaOfInterest(rcti *input, ReadBufferOperation *readOperation, rcti *output)
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{
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if (this->m_cachedInstance == NULL) {
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rcti newInput;
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newInput.xmax = this->getWidth();
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newInput.xmin = 0;
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newInput.ymax = this->getHeight();
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newInput.ymin = 0;
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return NodeOperation::determineDependingAreaOfInterest(&newInput, readOperation, output);
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}
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else {
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return false;
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}
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}
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void VectorBlurOperation::generateVectorBlur(float *data, MemoryBuffer *inputImage, MemoryBuffer *inputSpeed, MemoryBuffer *inputZ)
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{
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float *zbuf = inputZ->convertToValueBuffer();
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NodeBlurData blurdata;
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blurdata.samples = this->m_settings->samples / QualityStepHelper::getStep();
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blurdata.maxspeed = this->m_settings->maxspeed;
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blurdata.minspeed = this->m_settings->minspeed;
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blurdata.curved = this->m_settings->curved;
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blurdata.fac = this->m_settings->fac;
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RE_zbuf_accumulate_vecblur(&blurdata, this->getWidth(), this->getHeight(), data, inputImage->getBuffer(), inputSpeed->getBuffer(), zbuf);
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MEM_freeN((void *)zbuf);
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return;
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}
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