diff options
Diffstat (limited to 'source/blender/compositor/operations/COM_DotproductOperation.cpp')
-rw-r--r-- | source/blender/compositor/operations/COM_DotproductOperation.cpp | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/source/blender/compositor/operations/COM_DotproductOperation.cpp b/source/blender/compositor/operations/COM_DotproductOperation.cpp new file mode 100644 index 00000000000..284fb0ddca4 --- /dev/null +++ b/source/blender/compositor/operations/COM_DotproductOperation.cpp @@ -0,0 +1,51 @@ +/* + * 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_DotproductOperation.h" + +DotproductOperation::DotproductOperation() : NodeOperation() { + this->addInputSocket(COM_DT_VECTOR); + this->addInputSocket(COM_DT_VECTOR); + this->addOutputSocket(COM_DT_VALUE); + this->setResolutionInputSocketIndex(0); + this->input1Operation = NULL; + this->input2Operation = NULL; +} +void DotproductOperation::initExecution() { + this->input1Operation = this->getInputSocketReader(0); + this->input2Operation = this->getInputSocketReader(1); +} + +void DotproductOperation::deinitExecution() { + this->input1Operation = NULL; + this->input2Operation = NULL; +} + +/** @todo: current implementation is the inverse of a dotproduct. not 'logically' correct + */ +void DotproductOperation::executePixel(float *color,float x, float y, PixelSampler sampler, MemoryBuffer *inputBuffers[]) { + float input1[4]; + float input2[4]; + this->input1Operation->read(input1, x, y, sampler, inputBuffers); + this->input2Operation->read(input2, x, y, sampler, inputBuffers); + color[0] = -(input1[0]*input2[0]+input1[1]*input2[1]+input1[2]*input2[2]); +} |