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The triangle shading engine

: Ackermann, H.-J.; Hornung, C.

Grimsdale, R.L. ; European Association for Computer Graphics -EUROGRAPHICS-:
Advances in computer graphics hardware V. Rendering, ray tracing and visualization systems : 5. Workshop at EG '90 in Lausanne
Berlin: Springer, 1991 (Eurographic Seminars)
ISBN: 3-540-54291-4
ISBN: 0-387-54291-4
ISBN: 978-3-540-54291-9
Workshop on Graphics Hardware <5, 1990, Lausanne>
Fraunhofer IGD ()
ASIC-Design; Floating Print Accelerator; Gourand Shading; Graphics Card; graphics hardware; PC-Environment; performance analysis; Span Shading; triangle shading; triangle shading Chip; Z-buffering

This paper describes an algorithm for the Gouraud-shading of triangles and its realization in hardware. First, different realizations using span-shading hardware are discussed. Their drawbacks then lead to the design of a triangle-shader as an ASIC. This chip, together with a signal processor for the geometry computations, will provide an effective and low-cost graphics subsystem for the PC environment.