VR-Forces 4.0.4 Class Documentation: include/vrvOsg/DtSharedDrawElementsUInt.h Source File

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00001 /******************************************************************************
00002 ** Copyright (c) 2011 MAK Technologies, Inc.
00003 ** All rights reserved.
00004 ******************************************************************************/
00005 /******************************************************************************
00006 ** $RCSfile:  $ $Revision:  $ $State:  $
00007 ******************************************************************************/
00008 
00012 
00013 #pragma once
00014 #include <vrvOsg/vrvOsg.h>
00015 #include <osg/PrimitiveSet>
00016 
00017 namespace makVrv
00018 {
00019    
00023    class DT_DLL_VRVOSG DtSharedDrawElementsUInt : public osg::PrimitiveSet
00024    {
00025    public:
00026       DtSharedDrawElementsUInt(GLenum mode, osg::DrawElementsUInt* indices);
00027       DtSharedDrawElementsUInt(const DtSharedDrawElementsUInt& copy, 
00028          const osg::CopyOp& copyop);
00029 
00032       void setIndexBounds(unsigned int start, unsigned int count);
00033 
00036       //{ 
00037       virtual osg::Object* cloneType() const {
00038          return new DtSharedDrawElementsUInt(*this,osg::CopyOp()); }
00039       virtual osg::Object* clone(const osg::CopyOp& copyop) const { 
00040          return new DtSharedDrawElementsUInt(*this,copyop); }        
00041       virtual bool isSameKindAs(const osg::Object* obj) const { 
00042          return dynamic_cast<const DtSharedDrawElementsUInt*>(obj)!=NULL; }
00043       virtual const char* libraryName() const { return "vrvOsg"; }
00044       virtual const char* className() const { return "DtSharedDrawElementsUInt"; }
00045       virtual const GLvoid* getDataPointer() const;
00046       virtual unsigned int getTotalDataSize() const;
00047       virtual bool supportsBufferObject() const;
00048       virtual osg::DrawElements* getDrawElements();
00049       virtual const osg::DrawElements* getDrawElements() const;
00050       void setNumInstances(int n);
00051       int getNumInstances() const;
00052       void setMode(GLenum mode);
00053       GLenum getMode() const;
00054       virtual void accept(osg::PrimitiveFunctor& functor) const;
00055       virtual void accept(osg::PrimitiveIndexFunctor& functor) const;
00056       virtual unsigned int index(unsigned int pos) const;
00057       virtual unsigned int getNumIndices() const ;
00058       virtual void offsetIndices(int offset);
00059       virtual unsigned int getNumPrimitives() const; 
00062       virtual void dirty();   
00064       inline void setModifiedCount(unsigned int value);
00066       inline unsigned int getModifiedCount() const;
00068       virtual void resizeGLObjectBuffers(unsigned int maxSize);
00072       virtual void releaseGLObjects(osg::State* state=0) const;
00073       virtual void computeRange() const;
00075       virtual void draw(osg::State& state, bool useVertexBufferObjects) const;
00076       //}
00077 
00078    protected:
00079 
00080       osg::ref_ptr<osg::DrawElementsUInt> myIndices;
00081       unsigned int myStartIndex;
00082       unsigned int myCount;
00083    };
00084 }
00085