Method and apparatus for automatically controlling the destinati

Details Method and apparatus for automatically controlling the destinati Method and apparatus for automatically controlling the destinati

1998-01-23

1999-12-07

Tung, Kee M.

Computer graphics processing and selective visual display system

Computer graphic processing system

Graphic command processing

345513, 345515, G06F 1500

Patent

active

05999200&

ABSTRACT:
A graphics system includes a graphics processor for rendering graphics primitives with a list of display parameters. A host processor generates a display list which includes a XY address for rendering the graphics primitives. A graphics processor which includes a command address feed logic device decodes the display list to determine the register locations in a register file to fill with data. The command address feed logic device decodes the display list and orders a group of registers in the register file in order to perform a sequential write to the register file. By sequentially ordering the register file locations, the command address feed logic device is able to write null or zero data values to the register locations which are not needed to render a primitive, while maintaining a single write cycle to the register file.

REFERENCES:
patent: 5657479 (1997-08-01), Shaw et al.
patent: 5675773 (1997-10-01), Devic
patent: 5706478 (1998-01-01), Dye
patent: 5793386 (1998-08-01), Larson et al.

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