gluNewTess - create a tessellation object
GLUtesselator* gluNewTess( void )
gluNewTess creates and returns a pointer to a new tessel- lation object. This object must be referred to when call- ing tessellation functions. A return value of 0 means that there is not enough memory to allocate the object.
gluTessBeginPolygon, gluDeleteTess, gluTessCallback 1