diff options
Diffstat (limited to 'source/blender/compositor/operations/COM_MathBaseOperation.cpp')
| -rw-r--r-- | source/blender/compositor/operations/COM_MathBaseOperation.cpp | 239 |
1 files changed, 239 insertions, 0 deletions
diff --git a/source/blender/compositor/operations/COM_MathBaseOperation.cpp b/source/blender/compositor/operations/COM_MathBaseOperation.cpp new file mode 100644 index 00000000000..55880566bf2 --- /dev/null +++ b/source/blender/compositor/operations/COM_MathBaseOperation.cpp @@ -0,0 +1,239 @@ +/* + * 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 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 > 0.999 || y_mod_1 < 0.001) { + outputValue[0]= pow(inputValue1[0], (float)floor(inputValue2[0] + 0.5)); + } 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; +} + + |