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OpenGLShader.h

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/***************************************************************************
 *cr                                                                       
 *cr            (C) Copyright 1995-2019 The Board of Trustees of the           
 *cr                        University of Illinois                       
 *cr                         All Rights Reserved                        
 *cr                                                                   
 ***************************************************************************/

/***************************************************************************
 * RCS INFORMATION:
 *
 *      $RCSfile: OpenGLShader.h,v $
 *      $Author: johns $        $Locker:  $             $State: Exp $
 *      $Revision: 1.16 $       $Date: 2020/02/26 03:51:31 $
 *
 ***************************************************************************/
#ifndef OPENGLSHADER_H
#define OPENGLSHADER_H

#if defined(_MSC_VER)
#include <windows.h>
#endif

class OpenGLShader {
public: 
  const OpenGLExtensions *ext;      
  int isvalid;                      
  GLhandleARB ProgramObject;        
  GLhandleARB VertexShaderObject;   
  GLhandleARB FragmentShaderObject; 
  int lastshader;                   

public:
  OpenGLShader(OpenGLExtensions *ext);
  virtual ~OpenGLShader(void);

  int LoadShader(const char * shaderpath);
  int reset(void); 

  int CompileShaders(GLubyte *vertexShader, GLubyte *fragmentshader);

  void PrintInfoLog(GLhandleARB ProgramObject, const char *msg);

  int ReadShaderSource(const char * filename, GLubyte **vs, GLubyte **fs);

  void UseShader(int onoff);
};

#endif

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