moShaderCG.h

Go to the documentation of this file.

/*******************************************************************************

                              moShaderCG.h

  ****************************************************************************
  *                                                                          *
  *   This source is free software; you can redistribute it and/or modify    *
  *   it under the terms of the GNU General Public License as published by   *
  *   the Free Software Foundation; either version 2 of the License, or      *
  *   (at your option) any later version.                                    *
  *                                                                          *
  *   This code is distributed in the hope that it will be useful, but       *
  *   WITHOUT ANY WARRANTY; without even the implied warranty of             *
  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU      *
  *   General Public License for more details.                               *
  *                                                                          *
  *   A copy of the GNU General Public License is available on the World     *
  *   Wide Web at <http://www.gnu.org/copyleft/gpl.html>. You can also       *
  *   obtain it by writing to the Free Software Foundation,                  *
  *   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.         *
  *                                                                          *
  ****************************************************************************

  Copyright (C) 2006 Fabricio Costa

  Authors:
  Fabricio Costa


  Description:
  Class for Cg shaders.

*******************************************************************************/

#ifndef __MO_SHADER_CG_H__
#define __MO_SHADER_CG_H__

#include "moShader.h"

#ifdef SHADER_CG

#ifdef MO_MACOSX
    #include <cg.h>
    #include <cgGL.h>
#else
    #include <Cg/cg.h>
    #include <Cg/cgGL.h>
#endif

class LIBMOLDEO_API moShaderCG : public moShader
{
public:
    moShaderCG();
    ~moShaderCG();

    virtual MOboolean Init();
    virtual MOboolean Finish();

    virtual void CreateVertShader(moText vert_source);
    virtual void CreateFragShader(moText frag_source);
    virtual void CreateShader(moText vert_source, moText frag_source);
    virtual void LoadVertShader(moText vert_filename);
    virtual void LoadFragShader(moText frag_filename);
    virtual void LoadShader(moText vert_filename, moText frag_filename);

    virtual void StartShader();
    virtual void StopShader();

    CGparameter GetVertParameter(moText pName);
    CGparameter GetFragParameter(moText pName);
protected:
    CGcontext m_cgContext;
    CGprogram m_cgFragmentShader;
    CGprogram m_cgVertexShader;
    CGprofile m_cgFragmentProfile;
    CGprofile m_cgVertexProfile;

    void compileVertShader(moText vert_source);
    void compileFragShader(moText frag_source);
};

#endif

#endif