graphic_core.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 __graphic_core__header__
#define __graphic_core__header__

#include "gpucalc/object.h"

namespace gpucalc
{

 enum Vendor
 {
  DEFAULT = 0,
  NVIDIA = 1,
  MESA = 2,
  GDI = 3,
  ATI = 4
 };

 enum TextureUsage
 {
  TU_Static = 0,
  
  TU_Render = 1
 };


 const char _GraphicCoreClassName [] = "GraphicCore";


 class _GpuCalcExport GraphicCore: public Object
 {


  OBJ_DISABLE_COPY(GraphicCore)
  
  
  
  public:
   GraphicCore(const std::string & GraphicCoreName):
    Object(_GraphicCoreClassName, GraphicCoreName)
   {
   }


   virtual ~GraphicCore()
   {
   }

 
   virtual void start(int argc, char * argv []) = 0;


   virtual void stop() = 0;


   virtual void setMatrixMode(float Width, float Height) = 0;


   virtual void draw(float TexCoordX, float TexCoordY) = 0;


   virtual Texture * create(const std::string & TextureName, TextureUsage Usage) = 0;


   virtual void initialize(const Data & data, Texture & texture) = 0;


   virtual Texture * getTextureByName(const std::string & TextureName) const = 0;


   virtual Texture * getActiveTexture() const = 0;


   virtual bool isTextureCreated(const std::string & TextureName) const = 0;


   virtual void destroy(Texture * texture) = 0;

   
   virtual FrameBuffer * create(const std::string & FrameBufferName) = 0;


   virtual FrameBuffer * getFrameBufferByName(const std::string & FrameBufferName) const = 0;


   virtual FrameBuffer * getActiveFrameBuffer() const = 0;


   virtual bool isFrameBufferCreated(const std::string & FrameBufferName) const = 0;


   virtual void bind(Texture * texture) = 0;


   virtual void bind(FrameBuffer * framebuffer) = 0;


   virtual void unbind(Texture * texture) = 0;


   virtual void unbind(FrameBuffer * framebuffer) = 0;


   virtual void destroy(FrameBuffer * fb) = 0;


   virtual int maxFramebufferAttachmentPoints() const = 0;


   virtual int maxTextureSize() const = 0;


   virtual void checkErrors(const std::string & where) = 0;


   virtual Vendor getVendor() const = 0;


   virtual bool isAcceptSystem(const ShaderSystem * System) const = 0;


   virtual void addAcceptableShaderSystemID(const std::string & ShaderSystemID) = 0;
 };
}

#endif