1 // Copyright (C) 2008 Timothy Moore timoore@redhat.com
3 // This program is free software; you can redistribute it and/or
4 // modify it under the terms of the GNU General Public License as
5 // published by the Free Software Foundation; either version 2 of the
6 // License, or (at your option) any later version.
8 // This program is distributed in the hope that it will be useful, but
9 // WITHOUT ANY WARRANTY; without even the implied warranty of
10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 // General Public License for more details.
13 // You should have received a copy of the GNU General Public License
14 // along with this program; if not, write to the Free Software
15 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
18 # include <simgear_config.h>
21 #include <osg/StateSet>
23 #include "EffectCullVisitor.hxx"
25 #include "EffectGeode.hxx"
27 #include "Technique.hxx"
32 using osgUtil::CullVisitor;
34 EffectCullVisitor::EffectCullVisitor()
38 EffectCullVisitor::EffectCullVisitor(const EffectCullVisitor& rhs) :
43 CullVisitor* EffectCullVisitor::clone() const
45 return new EffectCullVisitor(*this);
48 void EffectCullVisitor::apply(osg::Geode& node)
52 EffectGeode *eg = dynamic_cast<EffectGeode*>(&node);
54 CullVisitor::apply(node);
57 Effect* effect = eg->getEffect();
58 Technique* technique = 0;
60 CullVisitor::apply(node);
62 } else if (!(technique = effect->chooseTechnique(&getRenderInfo()))) {
65 // push the node's state.
66 osg::StateSet* node_state = node.getStateSet();
68 pushStateSet(node_state);
69 for (EffectGeode::DrawablesIterator beginItr = eg->drawablesBegin(),
70 e = eg->drawablesEnd();
72 beginItr = technique->processDrawables(beginItr, e, this,
73 eg->isCullingActive()))
75 // pop the node's state off the geostate stack.