#ifndef __CPM__VTK__OPENGLMESHMAPPER__H__
#define __CPM__VTK__OPENGLMESHMAPPER__H__

#include <vector>

/*
  #include <vtkOpenGL.h>
  #include <vtkOpenGLTexture.h>
*/

#include <vtkRenderWindow.h>
#include <vtkSmartPointer.h>

#include <cpm/VTK/MeshMapper.h>

namespace cpm
{
  namespace VTK
  {
    /**
     */
    template< class M >
    class OpenGLMeshMapper
      : public MeshMapper< M >
    {
    public:
      typedef OpenGLMeshMapper Self;
      vtkTypeMacro( OpenGLMeshMapper, MeshMapper< M > );

      typedef typename Superclass::TMesh   TMesh;
      typedef typename Superclass::TPoint  TPoint;
      typedef typename Superclass::TVector TVector;
      typedef typename Superclass::TScalar TScalar;

    protected:
      typedef unsigned int                            TIndex;
      typedef typename M::CellType                    TCell;
      typedef typename M::CellsContainer              TCellsContainer;
      typedef typename TCellsContainer::ConstIterator TCellIt;

    public:
      virtual const char* GetNameOfClass( ) const
        { return( "cpm::VTK::OpenGLMeshMapper" ); }
      static Self* New( );

      virtual void RenderPiece( vtkRenderer* aren, vtkActor* act );
      virtual void ReleaseGraphicsResources( vtkWindow* win );
      virtual int Draw( vtkRenderer* aren, vtkActor* act );

    protected:
      OpenGLMeshMapper( );
      virtual ~OpenGLMeshMapper( );

      bool _ConfigureOpenGL( );

    private:
      // Purposely not implemented
      OpenGLMeshMapper( const Self& other );
      Self& operator=( const Self& other );

    protected:
      vtkIdType TotalCells;
      // TODO: vtkSmartPointer< vtkOpenGLTexture > InternalColorTexture;

      bool FirstRendering;

      bool VBOSupported;
      unsigned int VBOID1, VBOID2;

      std::vector< unsigned int > Sizes;
      std::vector< TIndex > Indices;
      long IndexElementType;
      long ElementValueType;
    };

  } // ecapseman

} // ecapseman

//#include <cpm/VTK/OpenGLMeshMapper.hxx>

#endif // __CPM__VTK__OPENGLMESHMAPPER__H__

// eof - $RCSfile$