95e010a22e
The mixing function was designed to give correct results for Mix values of -1, 0, and +1, but the behavior between these points was not linear. This is unavoidable, because the function depends on both Mix and Mix^2 (by multiplying value and mf) so they could not cancel out completely. The new formula simply calculates the weighted sum without trying to invent a smooth function. Value for MixGlareOperation is now passed directly without scaling because it is then easier to use. Note that the previous formula performed max() twice for both input image and the result, now there is just one max() per channel because the glare input can't be negative. Reviewed By: jbakker Differential Revision: https://developer.blender.org/D7138
87 lines
3.1 KiB
C++
87 lines
3.1 KiB
C++
/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* Copyright 2011, Blender Foundation.
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*/
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#include "COM_GlareNode.h"
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#include "COM_FastGaussianBlurOperation.h"
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#include "COM_GlareFogGlowOperation.h"
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#include "COM_GlareGhostOperation.h"
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#include "COM_GlareSimpleStarOperation.h"
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#include "COM_GlareStreaksOperation.h"
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#include "COM_GlareThresholdOperation.h"
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#include "COM_MixOperation.h"
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#include "COM_SetValueOperation.h"
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#include "DNA_node_types.h"
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namespace blender::compositor {
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GlareNode::GlareNode(bNode *editorNode) : Node(editorNode)
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{
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/* pass */
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}
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void GlareNode::convertToOperations(NodeConverter &converter,
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const CompositorContext & /*context*/) const
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{
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bNode *node = this->getbNode();
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NodeGlare *glare = (NodeGlare *)node->storage;
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GlareBaseOperation *glareoperation = nullptr;
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switch (glare->type) {
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default:
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case 3:
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glareoperation = new GlareGhostOperation();
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break;
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case 2: // streaks
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glareoperation = new GlareStreaksOperation();
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break;
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case 1: // fog glow
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glareoperation = new GlareFogGlowOperation();
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break;
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case 0: // simple star
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glareoperation = new GlareSimpleStarOperation();
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break;
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}
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BLI_assert(glareoperation);
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glareoperation->setGlareSettings(glare);
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GlareThresholdOperation *thresholdOperation = new GlareThresholdOperation();
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thresholdOperation->setGlareSettings(glare);
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SetValueOperation *mixvalueoperation = new SetValueOperation();
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mixvalueoperation->setValue(glare->mix);
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MixGlareOperation *mixoperation = new MixGlareOperation();
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mixoperation->setResolutionInputSocketIndex(1);
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mixoperation->getInputSocket(2)->setResizeMode(ResizeMode::FitAny);
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converter.addOperation(glareoperation);
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converter.addOperation(thresholdOperation);
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converter.addOperation(mixvalueoperation);
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converter.addOperation(mixoperation);
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converter.mapInputSocket(getInputSocket(0), thresholdOperation->getInputSocket(0));
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converter.addLink(thresholdOperation->getOutputSocket(), glareoperation->getInputSocket(0));
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converter.addLink(mixvalueoperation->getOutputSocket(), mixoperation->getInputSocket(0));
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converter.mapInputSocket(getInputSocket(0), mixoperation->getInputSocket(1));
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converter.addLink(glareoperation->getOutputSocket(), mixoperation->getInputSocket(2));
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converter.mapOutputSocket(getOutputSocket(), mixoperation->getOutputSocket());
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}
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} // namespace blender::compositor
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