glunurbscallbackdataext(3)
NAME
gluNurbsCallbackDataEXT - set a user data pointer
C SPECIFICATION
- void gluNurbsCallbackDataEXT( GLUnurbs* nurb,
- GLvoid* userData )
PARAMETERS
- nurb Specifies the NURBS object (created with
- gluNewNurbsRenderer).
- userData Specifies a pointer to the user's data.
DESCRIPTION
gluNurbsCallbackDataEXT 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).