The triangle shading engine

Authors:
Hans-Josef Ackermann;Christoph Hornung
Affiliations:
-;-
Venue:
EGGH'90 Proceedings of the Fifth Eurographics conference on Advances in Computer Graphics Hardware: rendering, ray tracing and visualization systems
Year:
1990

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Abstract

This paper describes an algorithm implementing the Gouraud-shading of triangles and its realization in hardware. Different realizations using span shading hardware 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.