ShaderPart.h

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//    Copyright 2004, SenseGraphics AB
//
//    This file is part of H3D API.
//
//    H3D API 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.
//
//    H3D API 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 H3D API; if not, write to the Free Software
//    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//
//    A commercial license is also available. Please contact us at 
//    www.sensegraphics.com for more information.
//
//
//
#ifndef __SHADERPART_H__
#define __SHADERPART_H__

#include "X3DNode.h"
#include "X3DUrlObject.h"
#include <GL/glew.h>
#include "SFString.h"

namespace H3D {

  class H3DAPI_API ShaderPart : 
    public X3DNode, 
    public X3DUrlObject {
  public:
    class H3DAPI_API SFShaderString: 
      public TypedField< SFString,
                         MFString > {
    protected:
      virtual void update();
    };

    ShaderPart( Inst< SFNode         > _metadata      = 0,
                Inst< MFString       > _url           = 0,
                Inst< SFString       > _type          = 0,
                Inst< SFShaderString > _shader_string = 0);
    
    virtual GLhandleARB compileShader();

    inline GLhandleARB getShaderHandle() {
      return shader_handle;
    }

    auto_ptr< SFString > type;

    auto_ptr< SFShaderString > shaderString;

    virtual string defaultXMLContainerField() {
      return "parts";
    }

    virtual X3DUrlObject::LoadStatus loadStatus();

    static H3DNodeDatabase database;
    
  protected:
    GLhandleARB shader_handle;
  };
}

#endif

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