aa833acfd3
GLObjectVisitor to better fit its function, and added support for releasing objects as well as compiling them.
94 lines
2.2 KiB
C++
94 lines
2.2 KiB
C++
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2003 Robert Osfield
|
|
*
|
|
* This library is open source and may be redistributed and/or modified under
|
|
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
|
|
* (at your option) any later version. The full license is in LICENSE file
|
|
* included with this distribution, and on the openscenegraph.org website.
|
|
*
|
|
* This library 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
|
|
* OpenSceneGraph Public License for more details.
|
|
*/
|
|
#include <osgUtil/GLObjectsVisitor>
|
|
#include <osg/Drawable>
|
|
|
|
using namespace osg;
|
|
using namespace osgUtil;
|
|
|
|
GLObjectsVisitor::GLObjectsVisitor(Mode mode)
|
|
{
|
|
setTraversalMode(osg::NodeVisitor::TRAVERSE_ALL_CHILDREN);
|
|
|
|
_mode = mode;
|
|
|
|
_state = NULL;
|
|
}
|
|
|
|
|
|
void GLObjectsVisitor::apply(osg::Node& node)
|
|
{
|
|
if (node.getStateSet())
|
|
{
|
|
apply(*(node.getStateSet()));
|
|
}
|
|
|
|
traverse(node);
|
|
}
|
|
|
|
void GLObjectsVisitor::apply(osg::Geode& node)
|
|
{
|
|
if (node.getStateSet())
|
|
{
|
|
apply(*(node.getStateSet()));
|
|
}
|
|
|
|
for(unsigned int i=0;i<node.getNumDrawables();++i)
|
|
{
|
|
Drawable* drawable = node.getDrawable(i);
|
|
if (drawable)
|
|
{
|
|
apply(*drawable);
|
|
if (drawable->getStateSet())
|
|
{
|
|
apply(*(drawable->getStateSet()));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void GLObjectsVisitor::apply(osg::Drawable& drawable)
|
|
{
|
|
if (_mode&SWITCH_OFF_DISPLAY_LISTS)
|
|
{
|
|
drawable.setUseDisplayList(false);
|
|
}
|
|
|
|
if (_mode&SWITCH_ON_DISPLAY_LISTS)
|
|
{
|
|
drawable.setUseDisplayList(true);
|
|
}
|
|
|
|
if (_mode&COMPILE_DISPLAY_LISTS && _state.valid())
|
|
{
|
|
drawable.compileGLObjects(*_state);
|
|
}
|
|
|
|
if (_mode&RELEASE_DISPLAY_LISTS)
|
|
{
|
|
drawable.releaseGLObjects(_state.get());
|
|
}
|
|
}
|
|
|
|
void GLObjectsVisitor::apply(osg::StateSet& stateset)
|
|
{
|
|
if (_mode&COMPILE_STATE_ATTRIBUTES && _state.valid())
|
|
{
|
|
stateset.compileGLObjects(*_state);
|
|
}
|
|
if (_mode&RELEASE_STATE_ATTRIBUTES)
|
|
{
|
|
stateset.releaseGLObjects(_state.get());
|
|
}
|
|
}
|