vtkGLSLShaderDeviceAdapter2.h

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

  Program:   Visualization Toolkit
  Module:    vtkGLSLShaderDeviceAdapter2.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 vtkGLSLShaderDeviceAdapter2_h
#define vtkGLSLShaderDeviceAdapter2_h

#include "vtkRenderingOpenGLModule.h" // For export macro
#include "vtkShaderDeviceAdapter2.h"

class vtkShaderProgram2;

class VTKRENDERINGOPENGL_EXPORT vtkGLSLShaderDeviceAdapter2
  : public vtkShaderDeviceAdapter2
{
public:
  vtkTypeMacro(vtkGLSLShaderDeviceAdapter2, vtkShaderDeviceAdapter2);
  static vtkGLSLShaderDeviceAdapter2 *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);

protected:
  vtkGLSLShaderDeviceAdapter2();
  ~vtkGLSLShaderDeviceAdapter2();

  int GetAttributeLocation(const char* attrName);

private:
  vtkGLSLShaderDeviceAdapter2(const vtkGLSLShaderDeviceAdapter2&) VTK_DELETE_FUNCTION;
  void operator=(const vtkGLSLShaderDeviceAdapter2&) VTK_DELETE_FUNCTION;

  class vtkInternal;
  vtkInternal* Internal;

};

#endif