gluNurbsCallbackData(3G)

NAME
     gluNurbsCallbackData - set a user data pointer


C SPECIFICATION
     void gluNurbsCallbackData( GLUnurbs* nurb,
                                GLvoid* userData )


PARAMETERS
     nurb      Specifies the NURBS object (created with gluNewNurbsRenderer).

     userData  Specifies a pointer to the user's data.

DESCRIPTION
     gluNurbsCallbackData is used to pass a pointer to the application's data
     to NURBS tessellator. A copy of this pointer will be passed by the
     tessellator in the NURBS callback functions (set by gluNurbsCallback).

NOTES
     gluNurbsCallbackData is available only if the GLU version is 1.3 or
     greater.

SEE ALSO
     gluNewNurbsRenderer, gluNurbsCallback