framebuffer.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 __framebuffer__header__
#define __framebuffer__header__

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

namespace gpucalc
{

 class _GpuCalcExport FrameBuffer: public Bindable
 {

  OBJ_DISABLE_COPY(FrameBuffer)
  
  
  public:
   FrameBuffer(const std::string & FrameBufferClassName, const std::string & FrameBufferName, GraphicCore * graphiccore):
    Object(FrameBufferClassName, FrameBufferName), Bindable(FrameBufferClassName, FrameBufferName), mDefaultGraphicCore(graphiccore)
   {
   }


   virtual ~FrameBuffer()
   {
   }


   virtual void initialize() = 0;


   virtual void attach(const Texture * texture) = 0;


   virtual void detach(const Texture * texture) = 0;


   virtual void drawBuffer(const Texture * RenderTarget) = 0;


   virtual void getData(Data & to, const Texture * from) = 0;


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


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


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

  protected:
   GraphicCore * mDefaultGraphicCore;
 };
}

#endif