This repository has been archived on 2023-10-09. You can view files and clone it, but cannot push or open issues or pull requests.
Files
blender-archive/source/blender/compositor/operations/COM_MathBaseOperation.cpp

278 lines
9.0 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_MathBaseOperation.h"
extern "C" {
#include "BLI_math.h"
}
MathBaseOperation::MathBaseOperation(): NodeOperation()
{
this->addInputSocket(COM_DT_VALUE);
this->addInputSocket(COM_DT_VALUE);
this->addOutputSocket(COM_DT_VALUE);
this->inputValue1Operation = NULL;
this->inputValue2Operation = NULL;
}
void MathBaseOperation::initExecution()
{
this->inputValue1Operation = this->getInputSocketReader(0);
this->inputValue2Operation = this->getInputSocketReader(1);
}
void MathBaseOperation::deinitExecution()
{
this->inputValue1Operation = NULL;
this->inputValue2Operation = NULL;
}
void MathBaseOperation::determineResolution(unsigned int resolution[], unsigned int preferredResolution[])
{
InputSocket *socket;
unsigned int tempPreferredResolution[] = {0,0};
unsigned int tempResolution[2];
socket = this->getInputSocket(0);
socket->determineResolution(tempResolution, tempPreferredResolution);
if ((tempResolution[0] != 0) && (tempResolution[1] != 0)) {
this->setResolutionInputSocketIndex(0);
} else {
this->setResolutionInputSocketIndex(1);
}
NodeOperation::determineResolution(resolution, preferredResolution);
}
void MathAddOperation::executePixel(float *outputValue, float x, float y, PixelSampler sampler, MemoryBuffer *inputBuffers[])
{
float inputValue1[4];
float inputValue2[4];
inputValue1Operation->read(&inputValue1[0], x, y, sampler, inputBuffers);
inputValue2Operation->read(&inputValue2[0], x, y, sampler, inputBuffers);
outputValue[0] = inputValue1[0] + inputValue2[0];
}
void MathSubtractOperation::executePixel(float *outputValue, float x, float y, PixelSampler sampler, MemoryBuffer *inputBuffers[])
{
float inputValue1[4];
float inputValue2[4];
inputValue1Operation->read(&inputValue1[0], x, y, sampler, inputBuffers);
inputValue2Operation->read(&inputValue2[0], x, y, sampler, inputBuffers);
outputValue[0] = inputValue1[0] - inputValue2[0];
}
void MathMultiplyOperation::executePixel(float *outputValue, float x, float y, PixelSampler sampler, MemoryBuffer *inputBuffers[])
{
float inputValue1[4];
float inputValue2[4];
inputValue1Operation->read(&inputValue1[0], x, y, sampler, inputBuffers);
inputValue2Operation->read(&inputValue2[0], x, y, sampler, inputBuffers);
outputValue[0] = inputValue1[0] * inputValue2[0];
}
void MathDivideOperation::executePixel(float *outputValue, float x, float y, PixelSampler sampler, MemoryBuffer *inputBuffers[])
{
float inputValue1[4];
float inputValue2[4];
inputValue1Operation->read(&inputValue1[0], x, y, sampler, inputBuffers);
inputValue2Operation->read(&inputValue2[0], x, y, sampler, inputBuffers);
if (inputValue2[0]==0) /* We don't want to divide by zero. */
outputValue[0] = 0.0;
else
outputValue[0] = inputValue1[0] / inputValue2[0];
}
void MathSineOperation::executePixel(float *outputValue, float x, float y, PixelSampler sampler, MemoryBuffer *inputBuffers[])
{
float inputValue1[4];
float inputValue2[4];
inputValue1Operation->read(&inputValue1[0], x, y, sampler, inputBuffers);
inputValue2Operation->read(&inputValue2[0], x, y, sampler, inputBuffers);
outputValue[0] = sin(inputValue1[0]);
}
void MathCosineOperation::executePixel(float *outputValue, float x, float y, PixelSampler sampler, MemoryBuffer *inputBuffers[])
{
float inputValue1[4];
float inputValue2[4];
inputValue1Operation->read(&inputValue1[0], x, y, sampler, inputBuffers);
inputValue2Operation->read(&inputValue2[0], x, y, sampler, inputBuffers);
outputValue[0] = cos(inputValue1[0]);
}
void MathTangentOperation::executePixel(float *outputValue, float x, float y, PixelSampler sampler, MemoryBuffer *inputBuffers[])
{
float inputValue1[4];
float inputValue2[4];
inputValue1Operation->read(&inputValue1[0], x, y, sampler, inputBuffers);
inputValue2Operation->read(&inputValue2[0], x, y, sampler, inputBuffers);
outputValue[0] = tan(inputValue1[0]);
}
void MathArcSineOperation::executePixel(float *outputValue, float x, float y, PixelSampler sampler, MemoryBuffer *inputBuffers[])
{
float inputValue1[4];
float inputValue2[4];
inputValue1Operation->read(&inputValue1[0], x, y, sampler, inputBuffers);
inputValue2Operation->read(&inputValue2[0], x, y, sampler, inputBuffers);
if (inputValue1[0] <= 1 && inputValue1[0] >= -1 )
outputValue[0] = asin(inputValue1[0]);
else
outputValue[0] = 0.0;
}
void MathArcCosineOperation::executePixel(float *outputValue, float x, float y, PixelSampler sampler, MemoryBuffer *inputBuffers[])
{
float inputValue1[4];
float inputValue2[4];
inputValue1Operation->read(&inputValue1[0], x, y, sampler, inputBuffers);
inputValue2Operation->read(&inputValue2[0], x, y, sampler, inputBuffers);
if (inputValue1[0] <= 1 && inputValue1[0] >= -1 )
outputValue[0] = acos(inputValue1[0]);
else
outputValue[0] = 0.0;
}
void MathArcTangentOperation::executePixel(float *outputValue, float x, float y, PixelSampler sampler, MemoryBuffer *inputBuffers[])
{
float inputValue1[4];
float inputValue2[4];
inputValue1Operation->read(&inputValue1[0], x, y, sampler, inputBuffers);
inputValue2Operation->read(&inputValue2[0], x, y, sampler, inputBuffers);
outputValue[0] = atan(inputValue1[0]);
}
void MathPowerOperation::executePixel(float *outputValue, float x, float y, PixelSampler sampler, MemoryBuffer *inputBuffers[])
{
float inputValue1[4];
float inputValue2[4];
inputValue1Operation->read(&inputValue1[0], x, y, sampler, inputBuffers);
inputValue2Operation->read(&inputValue2[0], x, y, sampler, inputBuffers);
if (inputValue1[0] >= 0) {
outputValue[0] = pow(inputValue1[0], inputValue2[0]);
}
else {
float y_mod_1 = fmod(inputValue2[0], 1);
/* if input value is not nearly an integer, fall back to zero, nicer than straight rounding */
if (y_mod_1 > 0.999f || y_mod_1 < 0.001f) {
outputValue[0] = pow(inputValue1[0], floorf(inputValue2[0] + 0.5f));
}
else {
outputValue[0] = 0.0;
}
}
}
void MathLogarithmOperation::executePixel(float *outputValue, float x, float y, PixelSampler sampler, MemoryBuffer *inputBuffers[])
{
float inputValue1[4];
float inputValue2[4];
inputValue1Operation->read(&inputValue1[0], x, y, sampler, inputBuffers);
inputValue2Operation->read(&inputValue2[0], x, y, sampler, inputBuffers);
if (inputValue1[0] > 0 && inputValue2[0] > 0)
outputValue[0] = log(inputValue1[0]) / log(inputValue2[0]);
else
outputValue[0] = 0.0;
}
void MathMinimumOperation::executePixel(float *outputValue, float x, float y, PixelSampler sampler, MemoryBuffer *inputBuffers[])
{
float inputValue1[4];
float inputValue2[4];
inputValue1Operation->read(&inputValue1[0], x, y, sampler, inputBuffers);
inputValue2Operation->read(&inputValue2[0], x, y, sampler, inputBuffers);
outputValue[0] = min(inputValue1[0], inputValue2[0]);
}
void MathMaximumOperation::executePixel(float *outputValue, float x, float y, PixelSampler sampler, MemoryBuffer *inputBuffers[])
{
float inputValue1[4];
float inputValue2[4];
inputValue1Operation->read(&inputValue1[0], x, y, sampler, inputBuffers);
inputValue2Operation->read(&inputValue2[0], x, y, sampler, inputBuffers);
outputValue[0] = max(inputValue1[0], inputValue2[0]);
}
void MathRoundOperation::executePixel(float *outputValue, float x, float y, PixelSampler sampler, MemoryBuffer *inputBuffers[])
{
float inputValue1[4];
float inputValue2[4];
inputValue1Operation->read(&inputValue1[0], x, y, sampler, inputBuffers);
inputValue2Operation->read(&inputValue2[0], x, y, sampler, inputBuffers);
outputValue[0] = round(inputValue1[0]);
}
void MathLessThanOperation::executePixel(float *outputValue, float x, float y, PixelSampler sampler, MemoryBuffer *inputBuffers[])
{
float inputValue1[4];
float inputValue2[4];
inputValue1Operation->read(&inputValue1[0], x, y, sampler, inputBuffers);
inputValue2Operation->read(&inputValue2[0], x, y, sampler, inputBuffers);
outputValue[0] = inputValue1[0]<inputValue2[0]?1.0f:0.0f;
}
void MathGreaterThanOperation::executePixel(float *outputValue, float x, float y, PixelSampler sampler, MemoryBuffer *inputBuffers[])
{
float inputValue1[4];
float inputValue2[4];
inputValue1Operation->read(&inputValue1[0], x, y, sampler, inputBuffers);
inputValue2Operation->read(&inputValue2[0], x, y, sampler, inputBuffers);
outputValue[0] = inputValue1[0]>inputValue2[0]?1.0f:0.0f;
}