Primitive culling apparatus and method

Details Primitive culling apparatus and method Primitive culling apparatus and method

2005-05-31

2005-05-31

Luu, Matthew (Department: 2676)

Computer graphics processing and selective visual display system

Computer graphics processing

Graphic manipulation

C345S620000, C345S421000

Reexamination Certificate

active

06900818

ABSTRACT:
A method and apparatus for processing a primitive for potential display on a display device (having a plurality of pixels) determines if the primitive intersects at least a predetermined number of pixel fragments on the display device. The predetermined number is no less than one. The method and apparatus then cull the primitive as a function of whether the primitive intersects at least the predetermined number of pixel fragments. If it is culled, the primitive is not raster processed (i.e., not subjected to raster processing, whether or not complete).

REFERENCES:
patent: 5986669 (1999-11-01), Kirkland
patent: 6636215 (2003-10-01), Greene
patent: 2002/0196251 (2002-12-01), Duluk et al.
patent: 2004/0196281 (2004-10-01), Huang

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