vtkGLSLShaderDeviceAdapter.h

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

  Program:   Visualization Toolkit
  Module:    vtkGLSLShaderDeviceAdapter.h

  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.

     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.

=========================================================================*/
#ifndef __vtkGLSLShaderDeviceAdapter_h
#define __vtkGLSLShaderDeviceAdapter_h

#include "vtkRenderingOpenGLModule.h" // For export macro
#include "vtkShaderDeviceAdapter.h"

class VTKRENDERINGOPENGL_EXPORT vtkGLSLShaderDeviceAdapter :
  public vtkShaderDeviceAdapter
{
public:
  vtkTypeMacro(vtkGLSLShaderDeviceAdapter, vtkShaderDeviceAdapter);
  static vtkGLSLShaderDeviceAdapter *New();
  virtual void PrintSelf(ostream &os, vtkIndent indent);

  // Descrition:
  // This method is called before rendering. This gives the shader device
  // adapter an opportunity to collect information, such as attribute indices
  // that it will need while rendering.
  virtual void PrepareForRender();


  virtual void SendAttribute(const char* attrname,
                             int components,
                             int type,
                             const void *attribute,
                             unsigned long offset=0);

//BTX
protected:
  vtkGLSLShaderDeviceAdapter();
  ~vtkGLSLShaderDeviceAdapter();

  int GetAttributeLocation(const char* attrName);

  friend class vtkGLSLShaderProgram;

private:
  vtkGLSLShaderDeviceAdapter(const vtkGLSLShaderDeviceAdapter&);
  // Not implemented
  void operator=(const vtkGLSLShaderDeviceAdapter&); // Not implemented

  class vtkInternal;
  vtkInternal* Internal;
//ETX
};

#endif