54 lines
2.1 KiB
C++
54 lines
2.1 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_MixSoftLightOperation.h"
|
||
|
|
|
||
|
|
MixSoftLightOperation::MixSoftLightOperation(): MixBaseOperation() {
|
||
|
|
}
|
||
|
|
|
||
|
|
void MixSoftLightOperation::executePixel(float* outputValue, float x, float y, PixelSampler sampler, MemoryBuffer *inputBuffers[]) {
|
||
|
|
float inputColor1[4];
|
||
|
|
float inputColor2[4];
|
||
|
|
float value;
|
||
|
|
|
||
|
|
inputValueOperation->read(&value, x, y, sampler, inputBuffers);
|
||
|
|
inputColor1Operation->read(&inputColor1[0], x, y, sampler, inputBuffers);
|
||
|
|
inputColor2Operation->read(&inputColor2[0], x, y, sampler, inputBuffers);
|
||
|
|
|
||
|
|
if (this->useValueAlphaMultiply()) {
|
||
|
|
value *= inputColor2[3];
|
||
|
|
}
|
||
|
|
float valuem = 1.0f-value;
|
||
|
|
float scr, scg, scb;
|
||
|
|
|
||
|
|
/* first calculate non-fac based Screen mix */
|
||
|
|
scr = 1.0f - (1.0f - inputColor2[0]) * (1.0f - inputColor1[0]);
|
||
|
|
scg = 1.0f - (1.0f - inputColor2[1]) * (1.0f - inputColor1[1]);
|
||
|
|
scb = 1.0f - (1.0f - inputColor2[2]) * (1.0f - inputColor1[2]);
|
||
|
|
|
||
|
|
outputValue[0] = valuem*(inputColor1[0]) + value*(((1.0f - inputColor1[0]) * inputColor2[0] * (inputColor1[0])) + (inputColor1[0] * scr));
|
||
|
|
outputValue[1] = valuem*(inputColor1[1]) + value*(((1.0f - inputColor1[1]) * inputColor2[1] * (inputColor1[1])) + (inputColor1[1] * scg));
|
||
|
|
outputValue[2] = valuem*(inputColor1[2]) + value*(((1.0f - inputColor1[2]) * inputColor2[2] * (inputColor1[2])) + (inputColor1[2] * scb));
|
||
|
|
outputValue[3] = inputColor1[3];
|
||
|
|
}
|
||
|
|
|