texture.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.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************/

#ifndef __texture__header__
#define __texture__header__

#include "gpucalc/gpu_resource.h"
#include "gpucalc/bindable.h"

#include "gpucalc/graphic_core.h"

namespace gpucalc
{


 const char _TextureClassName [] = "Texture";
 
 class _GpuCalcExport Texture: public Bindable, public GPUResource
 {

  OBJ_DISABLE_COPY(Texture)
  
  
  public:
   Texture(const std::string & TextureClassName, const std::string & TextureName, TextureUsage /*Usage*/, GraphicCore * graphiccore):
    Object(TextureClassName, TextureName), Bindable(TextureClassName, TextureName), GPUResource(TextureClassName, TextureName),
    mDefaultGraphicCore(graphiccore)
   {
   }
 
   virtual ~Texture()
   {
   }


   virtual bool isRenderTexture() const = 0;


   void bind()
   {
    mDefaultGraphicCore->bind(this);
   }


   void unbind()
   {
    mDefaultGraphicCore->unbind(this);
   }


   bool isActive() const
   {
    return (this == mDefaultGraphicCore->getActiveTexture());
   }


   void reInitialize(const Data & data)
   {
    mDefaultGraphicCore->initialize(data, *this);
   }


  protected:

   void addSpecificParameter(const std::string & ParameterName, void * ParameterValue, unsigned int Size)
   {
    Bindable::addSpecificParameter(ParameterName, ParameterValue, Size);
   }


  private:
   GraphicCore * mDefaultGraphicCore;

 };
}

#endif