Graphics command processing method in a computer graphics system

Details Graphics command processing method in a computer graphics system Graphics command processing method in a computer graphics system

1991-08-21

1994-05-24

Nguyen, Phu K.

395162, G06F 1562

Patent

active

053156960

ABSTRACT:
In a computer graphics system, an address generator processes physical and virtual addresses using a common command set. A separate translator provides conversion from generated virtual addresses to physical addresses. The address generator formulates addresses as a function of distance from the origin of desired destination area in destination memory to the requested position in the destination area. A plurality of drawing graphics commands specify different raster drawing operations. A plurality of context graphics commands is used to define a desired context in which drawing graphics commands operate. The defined context includes destination location for resulting data, type and plane depth of graphics operations, foreground and/or background color of resulting data. Different parts of the context are changeable/redefinable independently of the other parts.

REFERENCES:
patent: 5166872 (1992-11-01), Weaver et al.
patent: 5261034 (1993-11-01), Kawata

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