Graphics system with a buddy / quad mode for faster writes

Details Graphics system with a buddy / quad mode for faster writes Graphics system with a buddy / quad mode for faster writes

2005-01-25

2005-01-25

Bella, Matthew C. (Department: 2676)

Computer graphics processing and selective visual display system

Computer graphics display memory system

C345S533000, C345S536000, C345S581000, C345S612000, C345S614000

Reexamination Certificate

active

06847368

ABSTRACT:
A system and method are disclosed for rendering polygons. In some embodiments, parameter values may be rendered for only one sample position of multiple neighboring sample positions. The parameter values rendered for the one sample position may then be stored in multiple memory locations that correspond to the multiple neighboring sample positions. In some embodiments, storing parameter values in multiple memory locations may be achieved in a single write transaction. In some embodiments, utilization of a method for storage of a rendered sample to multiple memory locations may be subject to a specified test. The method may calculate a value needed for the specified test from vertex data and compare the calculated value with a specified limit. In some embodiments, a multiple storage mode may only be utilized for polygons greater than a certain size.

REFERENCES:
patent: 6278989 (2001-08-01), Chaudhuri et al.
patent: 6366287 (2002-04-01), Van Vugt
patent: 6369828 (2002-04-01), Lewis
patent: 6509897 (2003-01-01), Lewis
patent: 6750869 (2004-06-01), Dawson
patent: 0124115 (2001-05-01), None
Combined Search and Examination Report under Sections 17 and 18(3), Aug. 6, 2003.

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