| Interface | Description | 
|---|---|
| GLUtessellator | 
 The GLUtessellator object is used to hold the data, such as the
 vertices, edges and callback objects, to describe and tessellate complex
 polygons. 
 | 
| GLUtessellatorCallback | 
 GLUtessellatorCallback interface provides methods that the user will
 override to define the callbacks for a tessellation object. 
 | 
| Class | Description | 
|---|---|
| GLU | 
 Provides access to the OpenGL Utility Library (GLU). 
 | 
| GLUtessellatorCallbackAdapter | 
 The GLUtessellatorCallbackAdapter provides a default implementation of
  
GLUtessellatorCallback
 with empty callback methods. |