The Geometry Engine: A VLSI Geometry System for Graphics

  • Authors:
  • James H. Clark

  • Affiliations:
  • Computer Systems Laboratory, Stanford University and Silicon Graphics, Inc., Palo Alto, California

  • Venue:
  • SIGGRAPH '82 Proceedings of the 9th annual conference on Computer graphics and interactive techniques
  • Year:
  • 1982

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Abstract

The Geometry Engine[1] is a special-purpose VLSI processor for computer graphics. It is a four-component vector, floating-point processor for accomplishing three basic operations in computer graphics: matrix transformations, clipping and mapping to output device coordinates. This paper describes the Geometry Engine and the Geometric Graphics System it composes. It presents the instruction set of the system, its design motivations and the Geometry System architecture.