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/*
* 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_MixAddOperation.h"
MixAddOperation::MixAddOperation() : MixBaseOperation()
{
/* pass */
}
void MixAddOperation::executePixel(float output[4], float x, float y, PixelSampler sampler)
{
float inputColor1[4];
float inputColor2[4];
float inputValue[4];
this->m_inputValueOperation->read(inputValue, x, y, sampler);
this->m_inputColor1Operation->read(inputColor1, x, y, sampler);
this->m_inputColor2Operation->read(inputColor2, x, y, sampler);
float value = inputValue[0];
if (this->useValueAlphaMultiply()) {
value *= inputColor2[3];
}
output[0] = inputColor1[0] + value * inputColor2[0];
output[1] = inputColor1[1] + value * inputColor2[1];
output[2] = inputColor1[2] + value * inputColor2[2];
output[3] = inputColor1[3];
clampIfNeeded(output);
}
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