HEAD/DATA request in 3D graphics

Details HEAD/DATA request in 3D graphics HEAD/DATA request in 3D graphics

2007-12-18

2007-12-18

Nguyen, Kimbinh T. (Department: 2628)

Computer graphics processing and selective visual display system

Computer graphics processing

Three-dimension

C345S506000, C345S537000, C345S538000, C345S556000, C345S586000

Reexamination Certificate

active

11457102

ABSTRACT:
A method for efficiently processing graphics data for graphics primitives, the graphics data including vertex coordinate information and vertex attribute data. Coordinate information, in the form of homogeneous coordinates, of the graphics primitive determines whether the graphics primitive is to be rendered. If the primitive is to be rendered, then attribute data associated with the location information is retrieved. However, if the data is not to be rendered, then the location information is discarded. By only retrieving parameters for a primitive that is rendered, performance is increased. In one embodiment, the attribute data is fetched before it is known whether or not the graphics primitive is to be rendered, and if not, the prefetch is aborted, and new location information is fetched.

REFERENCES:
patent: 5821940 (1998-10-01), Morgan et al.
patent: 6597363 (2003-07-01), Duluk et al.
patent: 6906716 (2005-06-01), Moreton et al.
patent: 0803798 (1998-10-01), None

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