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61 lines
2.0 KiB
61 lines
2.0 KiB
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 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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#ifndef OSGUTIL_DISPLAYREQUIREMENTSVISITOR |
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#define OSGUTIL_DISPLAYREQUIREMENTSVISITOR 1 |
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#include <osg/NodeVisitor> |
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#include <osg/Geode> |
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#include <osg/DisplaySettings> |
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#include <osgUtil/Export> |
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namespace osgUtil { |
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/** A visitor for traversing a scene graph establishing which OpenGL visuals are |
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* required to support rendering of that scene graph. The results can then be used by |
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* applications to set up their windows with the correct visuals. Have a look at |
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* src/osgGLUT/Viewer.cpp's Viewer::open() method for an example of how to use it. |
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*/ |
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class OSGUTIL_EXPORT DisplayRequirementsVisitor : public osg::NodeVisitor |
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{ |
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public: |
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/** Default to traversing all children, and requiresDoubleBuffer, |
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* requiresRGB and requiresDepthBuffer to true and with |
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* alpha and stencil off.*/ |
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DisplayRequirementsVisitor(); |
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META_NodeVisitor("osgUtil","DisplayRequirementsVisitor") |
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/** Set the DisplaySettings. */ |
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inline void setDisplaySettings(osg::DisplaySettings* ds) { _ds = ds; } |
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/** Get the DisplaySettings */ |
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inline const osg::DisplaySettings* getDisplaySettings() const { return _ds.get(); } |
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virtual void applyStateSet(osg::StateSet& stateset); |
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virtual void apply(osg::Node& node); |
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virtual void apply(osg::Geode& geode); |
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protected: |
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osg::ref_ptr<osg::DisplaySettings> _ds; |
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}; |
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} |
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#endif
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