Data skew management of multiple 3-D graphic operand requests

Details Data skew management of multiple 3-D graphic operand requests Data skew management of multiple 3-D graphic operand requests

1998-02-04

2000-05-23

Nguyen, Phu K.

Computer graphics processing and selective visual display system

Computer graphics processing

Graph generating

G06F 1500

Patent

active

060670908

ABSTRACT:
A pipeline apparatus for processing 3D graphics data will be described. The pipeline apparatus includes a first request memory to fetch information corresponding to a texture operand. A second request memory fetches information responding to a color operand and Z operand. A control circuit coordinates data flow from the first request memory and the second request memory into a memory channel by preventing the number of requests from the first request memory from exceeding by a predetermined number, the number of requests from the second request memory. By properly coordinating the data flow, deadlock of a data fetching pipeline is avoided.

REFERENCES:
patent: 4463380 (1984-07-01), Hooks, Jr.
patent: 5023725 (1991-06-01), McCutchen
patent: 5446833 (1995-08-01), Miller et al.

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