Draw processor for a high performance three dimensional graphic

Details Draw processor for a high performance three dimensional graphic Draw processor for a high performance three dimensional graphic

1993-06-23

1995-08-08

Powell, Mark R.

G06F 1500

Patent

active

054406820

ABSTRACT:
A draw processor for a graphics accelerator is disclosed that performs edgewalking and scan interpolation functions to render a three dimensional geometry object defined by a draw packet. The draw processor renders a subset of pixels on a scan line, such that a set draw processors taken together render the entire geometry object. The draw processor renders pixels into an interleave bank of a multiple bank interleaved frame buffer. The draw processor also processes direct port data through a direct port pipeline.

REFERENCES:
patent: 5159665 (1992-10-01), Priem et al.
patent: 5220650 (1993-06-01), Barkans
patent: 5293480 (1994-03-01), Miller et al.
patent: 5307449 (1994-04-01), Kelley et al.
B. Borden, "Graphics Processing on a Graphics Supercomputer", IEEE Comp. Graph. & Appl., Jul. 1990, pp. 56-62.
C. Priem, "Developing the GX Graphics Accel. Archit.", IEEE MICRO, Feb. 1990 pp. 44-54.
C. Priem, "Software in Silicon: The Methodology Behind Sun's GX Graphics Accel. Archit.", IEEE Conference, pp. 195-197.

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