diff options
author | Jeroen Bakker <jeroen@blender.org> | 2021-03-08 15:41:52 +0300 |
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committer | Jeroen Bakker <jeroen@blender.org> | 2021-03-08 15:41:52 +0300 |
commit | 1775ea74c152ba7cf27a8bc1f071b40992c89013 (patch) | |
tree | 310fbe4e107734a16b3164adb1a65bd918935855 /source/blender/compositor/operations/COM_GammaOperation.cc | |
parent | b9cd2f4531ca670c196b0b14b1359d0f375103c2 (diff) |
Cleanup: Change extension .cpp to .cc
Diffstat (limited to 'source/blender/compositor/operations/COM_GammaOperation.cc')
-rw-r--r-- | source/blender/compositor/operations/COM_GammaOperation.cc | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/source/blender/compositor/operations/COM_GammaOperation.cc b/source/blender/compositor/operations/COM_GammaOperation.cc new file mode 100644 index 00000000000..6baa52a290c --- /dev/null +++ b/source/blender/compositor/operations/COM_GammaOperation.cc @@ -0,0 +1,56 @@ +/* + * 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_GammaOperation.h" +#include "BLI_math.h" + +GammaOperation::GammaOperation() +{ + this->addInputSocket(COM_DT_COLOR); + this->addInputSocket(COM_DT_VALUE); + this->addOutputSocket(COM_DT_COLOR); + this->m_inputProgram = nullptr; + this->m_inputGammaProgram = nullptr; +} +void GammaOperation::initExecution() +{ + this->m_inputProgram = this->getInputSocketReader(0); + this->m_inputGammaProgram = this->getInputSocketReader(1); +} + +void GammaOperation::executePixelSampled(float output[4], float x, float y, PixelSampler sampler) +{ + float inputValue[4]; + float inputGamma[4]; + + this->m_inputProgram->readSampled(inputValue, x, y, sampler); + this->m_inputGammaProgram->readSampled(inputGamma, x, y, sampler); + const float gamma = inputGamma[0]; + /* check for negative to avoid nan's */ + output[0] = inputValue[0] > 0.0f ? powf(inputValue[0], gamma) : inputValue[0]; + output[1] = inputValue[1] > 0.0f ? powf(inputValue[1], gamma) : inputValue[1]; + output[2] = inputValue[2] > 0.0f ? powf(inputValue[2], gamma) : inputValue[2]; + + output[3] = inputValue[3]; +} + +void GammaOperation::deinitExecution() +{ + this->m_inputProgram = nullptr; + this->m_inputGammaProgram = nullptr; +} |