GLVertexAttributeObject.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 __GLVERTEXATTRIBUTE_H__
#define __GLVERTEXATTRIBUTE_H__
 
#include <H3D/H3DApi.h>
#include <H3D/Node.h>
#include <H3D/SFBool.h>
#include <GL/glew.h>
 
namespace H3D {
  namespace VERTEXATTRIBUTE{
    enum VERTEXATTRIBUTETYPE{
      VERTEX,
      NORMAL,
      TEXCOORD,
      FOGCOORD,
      COLOR,
      GENERIC
    };
  }
 
  class H3DAPI_API GLVertexAttributeObject{
 
  public:
    GLVertexAttributeObject ( VERTEXATTRIBUTE::VERTEXATTRIBUTETYPE type );
 
    virtual ~GLVertexAttributeObject();
 
    virtual void setAttributeData ( ) = 0;
 
    virtual void renderVBO ( ) = 0;
 
    virtual void disableVBO ( ) = 0;
 
    virtual bool preRenderCheckFail( );
 
    void renderVertexBufferObject ( );
 
    void disableVertexBufferObject ( );
 
    virtual void updateVertexBufferObject ( );
 
    H3DUniquePtr<SFBool> isDynamic;
 
 
  protected:
    H3DUniquePtr< Field > vboFieldsUpToDate;
    // The index for the vertex buffer object
    GLuint *vbo_id;
 
    GLsizei attrib_size;
 
    GLvoid* attrib_data;
 
    // the type of vertex attribute
    VERTEXATTRIBUTE::VERTEXATTRIBUTETYPE attrib_type;
 
    // address of the vertex buffer object, will be used for bindless
    // vertex attribute
    GLuint64 vbo_GPUaddr;
 
    bool use_bindless, bindless_supported_by_system;
 
  };
}
 
#endif