vtkShader.h

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

  Program:   Visualization Toolkit

  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 vtkShader_h
#define vtkShader_h

#include "vtkRenderingOpenGL2Module.h" // for export macro
#include "vtkObject.h"

#include <string> // For member variables.
#include <vector> // For member variables.

class VTKRENDERINGOPENGL2_EXPORT vtkShader : public vtkObject
{
public:
  static vtkShader *New();
  vtkTypeMacro(vtkShader, vtkObject);
  void PrintSelf(ostream& os, vtkIndent indent);


  enum Type {
    Vertex,    
    Fragment,  
    Geometry,  
    Unknown    
  };

  void SetType(Type type);

  Type GetType() const { return this->ShaderType; }

  void SetSource(const std::string &source);

  std::string GetSource() const { return this->Source; }

  std::string GetError() const { return this->Error; }

  int GetHandle() const { return this->Handle; }

  bool Compile();

  void Cleanup();

protected:
  vtkShader();
  ~vtkShader();

  Type ShaderType;
  int  Handle;
  bool Dirty;

  std::string Source;
  std::string Error;

private:
  vtkShader(const vtkShader&) VTK_DELETE_FUNCTION;
  void operator=(const vtkShader&) VTK_DELETE_FUNCTION;
};


#endif