System and method of rendering polygons into a pixel grid

Details System and method of rendering polygons into a pixel grid System and method of rendering polygons into a pixel grid

1996-06-28

1999-08-10

Jankus, Almis R.

Computer graphics processing and selective visual display system

Computer graphics processing

Shape generating

G06T 1100

Patent

active

059366354

ABSTRACT:
A graphics system includes a graphics controller for rendering polygons with a minimum number of steps and registers. The graphics controller includes a register file for receiving initial parameters for the polygon from a host. The graphics controller also includes a polygon engine for loading parameters from the register file and using these parameters to generate a starting X value for each scan line and a width value for each scan line to permit efficient rendering of the polygon without "edge walking" the polygon. The polygon engine includes a counter and a pair of accumulators for defining the number of orthogonal scan lines, the X start value for each scan line, and the width of each scan.

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