diff options
Diffstat (limited to 'source/blender/compositor/operations/COM_SetAlphaMultiplyOperation.cc')
-rw-r--r-- | source/blender/compositor/operations/COM_SetAlphaMultiplyOperation.cc | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/source/blender/compositor/operations/COM_SetAlphaMultiplyOperation.cc b/source/blender/compositor/operations/COM_SetAlphaMultiplyOperation.cc new file mode 100644 index 00000000000..17029cb3049 --- /dev/null +++ b/source/blender/compositor/operations/COM_SetAlphaMultiplyOperation.cc @@ -0,0 +1,55 @@ +/* + * 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. + * + * Copyright 2011, Blender Foundation. + */ + +#include "COM_SetAlphaMultiplyOperation.h" + +SetAlphaMultiplyOperation::SetAlphaMultiplyOperation() +{ + this->addInputSocket(COM_DT_COLOR); + this->addInputSocket(COM_DT_VALUE); + this->addOutputSocket(COM_DT_COLOR); + + this->m_inputColor = nullptr; + this->m_inputAlpha = nullptr; +} + +void SetAlphaMultiplyOperation::initExecution() +{ + this->m_inputColor = getInputSocketReader(0); + this->m_inputAlpha = getInputSocketReader(1); +} + +void SetAlphaMultiplyOperation::executePixelSampled(float output[4], + float x, + float y, + PixelSampler sampler) +{ + float color_input[4]; + float alpha_input[4]; + + this->m_inputColor->readSampled(color_input, x, y, sampler); + this->m_inputAlpha->readSampled(alpha_input, x, y, sampler); + + mul_v4_v4fl(output, color_input, alpha_input[0]); +} + +void SetAlphaMultiplyOperation::deinitExecution() +{ + this->m_inputColor = nullptr; + this->m_inputAlpha = nullptr; +} |