40fefcf335
thus removing dependancy on osg::Geoset from most of the OSG, only loaders left to port now.
80 lines
2.1 KiB
Plaintext
80 lines
2.1 KiB
Plaintext
//C++ header - Open Scene Graph - Copyright (C) 1998-2001 Robert Osfield
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//Distributed under the terms of the GNU Library General Public License (LGPL)
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//as published by the Free Software Foundation.
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#ifndef OSGUTIL_DISPLAYLISTVISITOR
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#define OSGUTIL_DISPLAYLISTVISITOR 1
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#include <osg/NodeVisitor>
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#include <osg/Geode>
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#include <osg/State>
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#include <osgUtil/Export>
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namespace osgUtil {
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/** Visitor for traversing scene graph and setting each osg::Drawable's _useDisplayList flag,
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* with option to immediately compile osg::Drawable OpenGL Display lists and
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* osg::StateAttribute's.
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*/
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class OSGUTIL_EXPORT DisplayListVisitor : public osg::NodeVisitor
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{
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public:
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/** Operation modes of the.*/
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enum ModeValues
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{
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SWITCH_ON_DISPLAY_LISTS = 0x1,
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SWITCH_OFF_DISPLAY_LISTS = 0x2,
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COMPILE_DISPLAY_LISTS = 0x4,
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COMPILE_STATE_ATTRIBUTES = 0x8
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};
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typedef unsigned int Mode;
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/** Construct a DisplayListVisior to traverse all child,
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* with set specified display list mode. Default mode is to
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* gset->setUseDisplayList(true).
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*/
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DisplayListVisitor(Mode mode=COMPILE_DISPLAY_LISTS|COMPILE_STATE_ATTRIBUTES);
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/** Set the operational mode of how the visitor should set up osg::Drawable's.*/
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void setMode(Mode mode) { _mode = mode; }
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/** Get the operational mode.*/
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Mode getMode() const { return _mode; }
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/** Set the State to use during traversal. */
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void setState(osg::State* state)
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{
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_state = state;
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}
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osg::State* getState()
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{
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return _state.get();
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}
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/** Simply traverse using standard NodeVisitor traverse method.*/
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virtual void apply(osg::Node& node);
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/** For each Geode visited set the display list usage according to the
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* _displayListMode.
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*/
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virtual void apply(osg::Geode& node);
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protected:
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Mode _mode;
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osg::ref_ptr<osg::State> _state;
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};
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}
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#endif
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