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    The Triangle Shading Engine
    (The Eurographics Association, 1990) Ackermann, Hans-Josef; Hornung, Christoph; Richard Grimsdale and Arie Kaufman
    This paper describes an algorithm implementing the Gouraud-shading of triangles and its realization in hardware. Different realizations using span shading hard­ ware are discussed. Their drawbacks lead to the concept of a triangle shader, designed as an ASIC. Interfaced to a signal processor for geometry computations, this chip will provide an effective and low-cost 3D-extension to graphics subsystems in the PC environment.