TextureCoordinate.h

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//    Copyright 2004-2019, 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 __TEXTURECOORDINATE_H__
#define __TEXTURECOORDINATE_H__
 
#include <H3D/X3DTextureCoordinateNode.h>
#include <GL/glew.h>
#include <H3D/MFVec2f.h>
 
namespace H3D {
 
  class H3DAPI_API TextureCoordinate : public X3DTextureCoordinateNode {
  public:
    TextureCoordinate( Inst< SFNode >  _metadata = 0,
                       Inst< MFVec2f>  _point   = 0 );
 
    virtual ~TextureCoordinate();
 
    virtual bool supportsExplicitTexCoords() {
      return true;
    } 
 
    virtual void render( int index );
 
    virtual void renderForTextureUnit( int index,
                                       unsigned int texture_unit );
 
    virtual void renderArray();
 
    virtual void disableArray();
 
    virtual void setAttributeData ( );
 
    virtual void renderVBO ( );
 
    virtual void disableVBO ( );
 
    virtual bool preRenderCheckFail ( );
 
    inline virtual bool supportsGetTexCoord( unsigned int /*texture_unit*/ ) {
      return true;
    }
 
    virtual Vec4f getTexCoord( int index, unsigned int /*texture_unit*/ ) {
      const Vec2f &p = point->getValueByIndex( index );
      return Vec4f( p.x, p.y, 0, 1 );
    }
 
    virtual unsigned int nrAvailableTexCoords() {
      return point->size();
    }
 
    H3DUniquePtr< MFVec2f >  point;
 
    static H3DNodeDatabase database;
  };
}
 
#endif