/*=========================================================================

  Program:   Visualization Toolkit
  Module:    vtkMesaPolyDataMapper.h
  Language:  C++
  Date:      $Date$
  Version:   $Revision$


Copyright (c) 1993-2000 Ken Martin, Will Schroeder, Bill Lorensen 
All rights reserved.

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 * Redistributions of source code must retain the above copyright notice,
   this list of conditions and the following disclaimer.

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 * Neither name of Ken Martin, Will Schroeder, or Bill Lorensen nor the names
   of any contributors may be used to endorse or promote products derived
   from this software without specific prior written permission.

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=========================================================================*/
// .NAME vtkMesaPolyDataMapper - a PolyDataMapper for the Mesa library
// .SECTION Description
// vtkMesaPolyDataMapper is a subclass of vtkPolyDataMapper.
// vtkMesaPolyDataMapper is a geometric PolyDataMapper for the Mesa 
// rendering library.

#ifndef __vtkMesaPolyDataMapper_h
#define __vtkMesaPolyDataMapper_h

#include "vtkPolyDataMapper.h"
#include <stdlib.h>

#ifdef VTK_MANGLE_MESA
#define USE_MGL_NAMESPACE
#include "mesagl.h"
#else
#include "GL/gl.h"
#endif

class vtkProperty;
class vtkRenderWindow;
class vtkMesaRenderer;

class VTK_EXPORT vtkMesaPolyDataMapper : public vtkPolyDataMapper
{
public:
  static vtkMesaPolyDataMapper *New();
  vtkTypeMacro(vtkMesaPolyDataMapper,vtkPolyDataMapper);

  // Description:
  // Implement superclass render method.
  void Render(vtkRenderer *ren, vtkActor *a);

  // Description:
  // Release any graphics resources that are being consumed by this mapper.
  // The parameter window could be used to determine which graphic
  // resources to release.
  void ReleaseGraphicsResources(vtkWindow *);

  // Description:
  // Draw method for Mesa.
  virtual void Draw(vtkRenderer *ren, vtkActor *a);
  
  //BTX  begin tcl exclude
  
  // Description:
  // Get the lmcolor property, this is a pretty important little 
  // function.  It determines how vertex colors will be handled  
  // in gl.  When a PolyDataMapper has vertex colors it will use this 
  // method to determine what lmcolor mode to set.               
  GLenum GetLmcolorMode(vtkProperty *prop);
  //ETX

protected:
  vtkMesaPolyDataMapper();
  ~vtkMesaPolyDataMapper();
  vtkMesaPolyDataMapper(const vtkMesaPolyDataMapper&) {};
  void operator=(const vtkMesaPolyDataMapper&) {};

  int ListId;
  vtkRenderWindow *RenderWindow;   // RenderWindow used for the previous render
};

#endif
