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Implementing RenderMan - Practice, Problems, and Enhancements

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Abstract
The RenderMan interface has been proposed as a general interface to rendering systems, yet
only a few implementations of the interface exist. In this paper we describe the implementation
of the RenderMan interface on a general rendering architecture that supports various rendering
algorithms. Specifically we discuss the implementation of the RenderMan Shading Language and
its integration into our rendering architecture. Special attention is focused on the problems that
we have encountered and how they can be solved. Additionally, we suggest extensions and en-
hancements to the current interface definition, which would make RenderMan easier to implement
and more flexible to use.