The red book introduces the evaluators to draw NURBS surfaces before OpenGL 3.1, however, the evaluators have been removed from OpenGL since version 3.1, how to draw NURBS surfaces then?
How to generate NURBS surfaces
The red book introduces the evaluators to draw NURBS surfaces before OpenGL 3.1, however, the evaluators have been removed from OpenGL since version 3.1, how to draw NURBS surfaces then?
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