| 1 | /* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield |
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| 2 | * |
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| 3 | * This library is open source and may be redistributed and/or modified under |
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| 4 | * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or |
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| 5 | * (at your option) any later version. The full license is in LICENSE file |
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| 6 | * included with this distribution, and on the openscenegraph.org website. |
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| 7 | * |
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| 8 | * This library is distributed in the hope that it will be useful, |
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| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 11 | * OpenSceneGraph Public License for more details. |
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| 12 | */ |
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| 13 | |
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| 14 | #ifndef OSGUTIL_REVERSEPRIMITIVEFUNCTOR |
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| 15 | #define OSGUTIL_REVERSEPRIMITIVEFUNCTOR 1 |
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| 16 | |
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| 17 | #include <osg/PrimitiveSet> |
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| 18 | #include <osg/Notify> |
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| 19 | #include <osgUtil/Export> |
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| 20 | |
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| 21 | namespace osgUtil { |
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| 22 | |
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| 23 | |
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| 24 | class OSGUTIL_EXPORT ReversePrimitiveFunctor : public osg::PrimitiveIndexFunctor |
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| 25 | { |
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| 26 | public: |
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| 27 | |
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| 28 | virtual ~ReversePrimitiveFunctor() {} |
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| 29 | |
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| 30 | osg::PrimitiveSet * getReversedPrimitiveSet() { return _reversedPrimitiveSet.get(); } |
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| 31 | |
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| 32 | virtual void setVertexArray(unsigned int , const osg::Vec2* ) {} |
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| 33 | virtual void setVertexArray(unsigned int , const osg::Vec3* ) {} |
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| 34 | virtual void setVertexArray(unsigned int , const osg::Vec4* ) {} |
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| 35 | virtual void setVertexArray(unsigned int , const osg::Vec2d* ) {} |
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| 36 | virtual void setVertexArray(unsigned int , const osg::Vec3d* ) {} |
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| 37 | virtual void setVertexArray(unsigned int , const osg::Vec4d* ) {} |
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| 38 | |
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| 39 | virtual void drawArrays(GLenum mode,GLint first,GLsizei count); |
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| 40 | virtual void drawElements(GLenum mode,GLsizei count, const GLubyte* indices); |
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| 41 | virtual void drawElements(GLenum mode,GLsizei count, const GLushort* indices); |
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| 42 | virtual void drawElements(GLenum mode,GLsizei count, const GLuint* indices); |
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| 43 | |
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| 44 | |
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| 45 | /// Mimics the OpenGL \c glBegin() function. |
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| 46 | virtual void begin(GLenum mode); |
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| 47 | virtual void vertex(unsigned int /*pos*/); |
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| 48 | virtual void end(); |
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| 49 | |
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| 50 | |
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| 51 | osg::ref_ptr<osg::PrimitiveSet> _reversedPrimitiveSet; |
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| 52 | |
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| 53 | private: |
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| 54 | |
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| 55 | bool _running; |
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| 56 | }; |
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| 57 | |
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| 58 | } // end osgUtil namespace |
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| 59 | |
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| 60 | #endif // ** OSGUTIL_REVERSEFACEVISITOR ** // |
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