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blender-archive/source/blender/compositor/operations/COM_CombineChannelsOperation.cpp
Jeroen Bakker 773ea9b93d Fix for [#32536] Mixing with translated images in compositor produces
garbage strips for each tile

Promoted the behaviour of combine channels to node operation so that all
nodes use the same implementation. (CombineChannel had a better
implementation)
2012-09-11 16:57:05 +00:00

77 lines
2.5 KiB
C++

/*
* Copyright 2011, Blender Foundation.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* Contributor:
* Jeroen Bakker
* Monique Dewanchand
*/
#include "COM_CombineChannelsOperation.h"
#include "BLI_utildefines.h"
CombineChannelsOperation::CombineChannelsOperation() : NodeOperation()
{
this->addInputSocket(COM_DT_VALUE);
this->addInputSocket(COM_DT_VALUE);
this->addInputSocket(COM_DT_VALUE);
this->addInputSocket(COM_DT_VALUE);
this->addOutputSocket(COM_DT_COLOR);
this->setResolutionInputSocketIndex(0);
this->m_inputChannel1Operation = NULL;
this->m_inputChannel2Operation = NULL;
this->m_inputChannel3Operation = NULL;
this->m_inputChannel4Operation = NULL;
}
void CombineChannelsOperation::initExecution()
{
this->m_inputChannel1Operation = this->getInputSocketReader(0);
this->m_inputChannel2Operation = this->getInputSocketReader(1);
this->m_inputChannel3Operation = this->getInputSocketReader(2);
this->m_inputChannel4Operation = this->getInputSocketReader(3);
}
void CombineChannelsOperation::deinitExecution()
{
this->m_inputChannel1Operation = NULL;
this->m_inputChannel2Operation = NULL;
this->m_inputChannel3Operation = NULL;
this->m_inputChannel4Operation = NULL;
}
void CombineChannelsOperation::executePixel(float output[4], float x, float y, PixelSampler sampler)
{
float input[4];
if (this->m_inputChannel1Operation) {
this->m_inputChannel1Operation->read(input, x, y, sampler);
output[0] = input[0];
}
if (this->m_inputChannel2Operation) {
this->m_inputChannel2Operation->read(input, x, y, sampler);
output[1] = input[0];
}
if (this->m_inputChannel3Operation) {
this->m_inputChannel3Operation->read(input, x, y, sampler);
output[2] = input[0];
}
if (this->m_inputChannel4Operation) {
this->m_inputChannel4Operation->read(input, x, y, sampler);
output[3] = input[0];
}
}