95 lines
2.2 KiB
C++
95 lines
2.2 KiB
C++
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2003 Robert Osfield
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*
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* This library is open source and may be redistributed and/or modified under
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* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
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* (at your option) any later version. The full license is in LICENSE file
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* included with this distribution, and on the openscenegraph.org website.
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*
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* This library 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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* OpenSceneGraph Public License for more details.
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*/
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#include <osgUtil/GLObjectsVisitor>
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#include <osg/Drawable>
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#include <osg/Notify>
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using namespace osg;
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using namespace osgUtil;
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GLObjectsVisitor::GLObjectsVisitor(Mode mode)
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{
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setTraversalMode(osg::NodeVisitor::TRAVERSE_ALL_CHILDREN);
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_mode = mode;
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_state = NULL;
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}
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void GLObjectsVisitor::apply(osg::Node& node)
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{
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if (node.getStateSet())
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{
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apply(*(node.getStateSet()));
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}
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traverse(node);
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}
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void GLObjectsVisitor::apply(osg::Geode& node)
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{
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if (node.getStateSet())
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{
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apply(*(node.getStateSet()));
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}
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for(unsigned int i=0;i<node.getNumDrawables();++i)
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{
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Drawable* drawable = node.getDrawable(i);
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if (drawable)
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{
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apply(*drawable);
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if (drawable->getStateSet())
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{
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apply(*(drawable->getStateSet()));
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}
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}
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}
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}
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void GLObjectsVisitor::apply(osg::Drawable& drawable)
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{
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if (_mode&SWITCH_OFF_DISPLAY_LISTS)
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{
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drawable.setUseDisplayList(false);
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}
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if (_mode&SWITCH_ON_DISPLAY_LISTS)
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{
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drawable.setUseDisplayList(true);
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}
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if (_mode&COMPILE_DISPLAY_LISTS && _state.valid())
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{
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drawable.compileGLObjects(*_state);
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}
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if (_mode&RELEASE_DISPLAY_LISTS)
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{
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drawable.releaseGLObjects(_state.get());
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}
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}
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void GLObjectsVisitor::apply(osg::StateSet& stateset)
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{
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if (_mode&COMPILE_STATE_ATTRIBUTES && _state.valid())
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{
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stateset.compileGLObjects(*_state);
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}
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if (_mode&RELEASE_STATE_ATTRIBUTES)
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{
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stateset.releaseGLObjects(_state.get());
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}
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}
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