Vertex reordering in 3D graphics

Details Vertex reordering in 3D graphics Vertex reordering in 3D graphics

2006-08-08

2006-08-08

Bella, Matthew C. (Department: 2676)

Computer graphics processing and selective visual display system

Computer graphics processing

Three-dimension

C345S619000

Reexamination Certificate

active

07088359

ABSTRACT:
A method and apparatus for reordering the vertices of a graphics primitive. The vertices of the primitive are received in a circular order, but the position of the vertices in the circular order is arbitrary. The vertices include coordinates with respect to an origin. Comparison logic operates on the coordinates of each vertex to determine which vertex is the minimum vertex, which the vertex that is a minimum distance away from the origin. Once the minimum vertex is known, the vertices are shuffled into the proper order, with the minimum vertex in the lowest order position, the next vertex in circular order in the next position and so on. An apparatus saves the information for reordering the vertices, so that the order is preserved for parameter information for each vertex.

REFERENCES:
patent: 5710879 (1998-01-01), Ashburn
patent: 6518965 (2003-02-01), Dye et al.
patent: 6731294 (2004-05-01), Mang et al.

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