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/*
* 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_ZCombineNode.h"
#include "COM_ZCombineOperation.h"
#include "COM_ExecutionSystem.h"
#include "COM_SetValueOperation.h"
#include "COM_MathBaseOperation.h"
#include "COM_AntiAliasOperation.h"
#include "COM_MixBlendOperation.h"
#include "DNA_material_types.h" // the ramp types
void ZCombineNode::convertToOperations(ExecutionSystem *system, CompositorContext *context)
{
if (context->getRenderData()->scemode & R_FULL_SAMPLE) {
if (this->getOutputSocket(0)->isConnected()) {
ZCombineOperation *operation = NULL;
if (this->getbNode()->custom1) {
operation = new ZCombineAlphaOperation();
}
else {
operation = new ZCombineOperation();
}
this->getInputSocket(0)->relinkConnections(operation->getInputSocket(0), 0, system);
this->getInputSocket(1)->relinkConnections(operation->getInputSocket(1), 1, system);
this->getInputSocket(2)->relinkConnections(operation->getInputSocket(2), 2, system);
this->getInputSocket(3)->relinkConnections(operation->getInputSocket(3), 3, system);
this->getOutputSocket(0)->relinkConnections(operation->getOutputSocket());
system->addOperation(operation);
if (this->getOutputSocket(1)->isConnected()) {
MathMinimumOperation *zoperation = new MathMinimumOperation();
addLink(system, operation->getInputSocket(1)->getConnection()->getFromSocket(), zoperation->getInputSocket(0));
addLink(system, operation->getInputSocket(3)->getConnection()->getFromSocket(), zoperation->getInputSocket(1));
this->getOutputSocket(1)->relinkConnections(zoperation->getOutputSocket());
system->addOperation(zoperation);
}
}
else {
if (this->getOutputSocket(1)->isConnected()) {
MathMinimumOperation *zoperation = new MathMinimumOperation();
this->getInputSocket(1)->relinkConnections(zoperation->getInputSocket(0), 1, system);
this->getInputSocket(3)->relinkConnections(zoperation->getInputSocket(1), 3, system);
this->getOutputSocket(1)->relinkConnections(zoperation->getOutputSocket());
system->addOperation(zoperation);
}
}
} else {
// not full anti alias, use masking for Z combine. be aware it uses anti aliasing.
// step 1 create mask
MathGreaterThanOperation *maskoperation = new MathGreaterThanOperation();
this->getInputSocket(1)->relinkConnections(maskoperation->getInputSocket(0), 1, system);
this->getInputSocket(3)->relinkConnections(maskoperation->getInputSocket(1), 3, system);
// step 2 anti alias mask bit of an expensive operation, but does the trick
AntiAliasOperation *antialiasoperation = new AntiAliasOperation();
addLink(system, maskoperation->getOutputSocket(), antialiasoperation->getInputSocket(0));
// use mask to blend between the input colors.
ZCombineMaskOperation *zcombineoperation = this->getbNode()->custom1?new ZCombineMaskAlphaOperation():new ZCombineMaskOperation();
addLink(system, antialiasoperation->getOutputSocket(), zcombineoperation->getInputSocket(0));
this->getInputSocket(0)->relinkConnections(zcombineoperation->getInputSocket(1), 0, system);
this->getInputSocket(2)->relinkConnections(zcombineoperation->getInputSocket(2), 2, system);
this->getOutputSocket(0)->relinkConnections(zcombineoperation->getOutputSocket());
system->addOperation(maskoperation);
system->addOperation(antialiasoperation);
system->addOperation(zcombineoperation);
if (this->getOutputSocket(1)->isConnected()) {
MathMinimumOperation *zoperation = new MathMinimumOperation();
addLink(system, maskoperation->getInputSocket(0)->getConnection()->getFromSocket(), zoperation->getInputSocket(0));
addLink(system, maskoperation->getInputSocket(1)->getConnection()->getFromSocket(), zoperation->getInputSocket(1));
this->getOutputSocket(1)->relinkConnections(zoperation->getOutputSocket());
system->addOperation(zoperation);
}
}
}
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