gl_Cg_shader_system.h

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/***************************************************************************
 *   Copyright (C) 2008 by Kutumov Alexey                                  *
 *   ru.pixel@gmail.com                                                    *
 *                                                                         *
 *   This program 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.                                   *
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 *   This program 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.                          *
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 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
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#ifndef __gl_Cg_shader_system__header__
#define __gl_Cg_shader_system__header__

#include "gpucalc/shader_system.h"
#include "gpucalc/graphic_core.h"

#include <Cg/cgGL.h>

namespace gpucalc
{
 const char _GLCgShaderSystemObjectName [] = "GLCgShaderSystem";

 class _GpuCalcPrivate GLCgShaderSystem: public ShaderSystem
 {

  OBJ_DISABLE_COPY(GLCgShaderSystem)
  
  
  public:
   GLCgShaderSystem();


   ~GLCgShaderSystem();


   Shader * create(const std::string & ShaderName);


   Shader * getShaderByName(const std::string & Shadername) const;


   bool isShaderCreated(const std::string & ShaderName) const;


   Uniform * create(const Data & data);


   Uniform * create(Texture * texture);


   Uniform * getUniformByName(const std::string & UniformName) const;


   bool isUniformCreated(const std::string & UniformName) const;


   void destroy(Uniform * uniform);


   void destroy(Shader * shader);


   void bind(Shader * shader);


   void unbind(Shader * shader);


   Shader * getActiveShader() const;


   bool isAcceptCore(const GraphicCore * Core) const;


   void start();


   void stop();


   bool isAcceptFileExtension(const std::string & FileExtension) const;


   void addAcceptableGraphicCoreID(const std::string & GraphicCoreID);


   debugger::CodeInstructor * getCodeInstructor() const;


  private:
   CGcontext mCgContextID;


   CGprofile mCgFragmentProfileID;


   bool mIsStarted;


   Shader * mActiveShader;


   typedef std::map<std::string, Shader *> ShaderMap;
   ShaderMap mShaderMap;


   typedef std::map<std::string, Uniform *> UniformMap;
   UniformMap mUniformMap;


   typedef std::set<std::string> AcceptableGraphicCoreIDset;
   AcceptableGraphicCoreIDset mAcceptableGraphicCoreIDset;


   debugger::CodeInstructor * mCodeInstructor;
 };
}

#endif