diff options
Diffstat (limited to 'source/blender/compositor/operations/COM_ZCombineOperation.cpp')
| -rw-r--r-- | source/blender/compositor/operations/COM_ZCombineOperation.cpp | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/source/blender/compositor/operations/COM_ZCombineOperation.cpp b/source/blender/compositor/operations/COM_ZCombineOperation.cpp new file mode 100644 index 00000000000..9aa06df1ead --- /dev/null +++ b/source/blender/compositor/operations/COM_ZCombineOperation.cpp @@ -0,0 +1,87 @@ +/* + * 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_ZCombineOperation.h" +#include "BLI_utildefines.h" + +ZCombineOperation::ZCombineOperation(): NodeOperation() { + this->addInputSocket(COM_DT_COLOR); + this->addInputSocket(COM_DT_VALUE); + this->addInputSocket(COM_DT_COLOR); + this->addInputSocket(COM_DT_VALUE); + this->addOutputSocket(COM_DT_COLOR); + + this->image1Reader = NULL; + this->depth1Reader = NULL; + this->image2Reader = NULL; + this->depth2Reader = NULL; + +} + +void ZCombineOperation::initExecution() { + this->image1Reader = this->getInputSocketReader(0); + this->depth1Reader = this->getInputSocketReader(1); + this->image2Reader = this->getInputSocketReader(2); + this->depth2Reader = this->getInputSocketReader(3); +} + +void ZCombineOperation::executePixel(float* color, float x, float y, PixelSampler sampler, MemoryBuffer *inputBuffers[]) { + float depth1[4]; + float depth2[4]; + + this->depth1Reader->read(depth1, x, y, sampler, inputBuffers); + this->depth2Reader->read(depth2, x, y, sampler, inputBuffers); + if (depth1[0]<depth2[0]) { + this->image1Reader->read(color, x, y, sampler, inputBuffers); + } else { + this->image2Reader->read(color, x, y, sampler, inputBuffers); + } +} +void ZCombineAlphaOperation::executePixel(float* color, float x, float y, PixelSampler sampler, MemoryBuffer *inputBuffers[]) { + float depth1[4]; + float depth2[4]; + float color1[4]; + float color2[4]; + + this->depth1Reader->read(depth1, x, y, sampler, inputBuffers); + this->depth2Reader->read(depth2, x, y, sampler, inputBuffers); + if (depth1[0]<depth2[0]) { + this->image1Reader->read(color1, x, y, sampler, inputBuffers); + this->image2Reader->read(color2, x, y, sampler, inputBuffers); + } else { + this->image1Reader->read(color2, x, y, sampler, inputBuffers); + this->image2Reader->read(color1, x, y, sampler, inputBuffers); + } + float fac = color1[3]; + float ifac = 1.0f-fac; + color[0] = color1[0]+ifac*color2[0]; + color[1] = color1[1]+ifac*color2[1]; + color[2] = color1[2]+ifac*color2[2]; + color[3] = MAX2(color1[3], color2[3]); +} + +void ZCombineOperation::deinitExecution() { + this->image1Reader = NULL; + this->depth1Reader = NULL; + this->image2Reader = NULL; + this->depth2Reader = NULL; +} |