uniform.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.                                   *
 *                                                                         *
 *   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.                          *
 *                                                                         *
 *   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 __uniform__header__
#define __uniform__header__


#include "gpucalc/gpu_resource.h"


namespace gpucalc
{


 class _GpuCalcExport Uniform: public GPUResource
 {

  OBJ_DISABLE_COPY(Uniform)
  
  
  public:


   enum UniformType
   {
    UT_NOT_UNIFORM = 0,

    UT_TEX_1,
    UT_TEX_2,

    UT_INT_1,
    UT_INT_2,
    UT_INT_3,
    UT_INT_4,

    UT_BOOL_1,
    UT_BOOL_2,
    UT_BOOL_3,
    UT_BOOL_4,

    UT_FLOAT_1,
    UT_FLOAT_2,
    UT_FLOAT_3,
    UT_FLOAT_4,

    UT_MAT_2X2,
    UT_MAT_3X3,
    UT_MAT_4X4
   };


   Uniform(const std::string & UniformClassName, const std::string & UniformName): Object(UniformClassName, UniformName),
    GPUResource(UniformClassName, UniformName)
   {
   }


   virtual ~Uniform()
   {
   }


   virtual Uniform::UniformType getUniformType() const = 0;


   virtual void * pointer() const = 0;


   virtual Texture * getSampler() const = 0;
 };
}


#endif