System and method for single-sample virtual coverage...

Details System and method for single-sample virtual coverage... System and method for single-sample virtual coverage...

2008-05-13

2008-05-13

Sajous, Wesner (Department: 2628)

Computer graphics processing and selective visual display system

Computer graphics processing

Attributes

C345S422000, C345S426000, C345S428000, C345S639000, C382S254000, C382S269000

Reexamination Certificate

active

07372471

ABSTRACT:
A graphics system has a mode of operation in which primitive coverage information is generated for real sample locations and virtual sample locations for use in anti-aliasing pixels. An individual pixel has a single real sample with color information and at least one virtual sample. In one implementation each virtual sample within a pixel is a pointer that identifies whether the virtual sample belongs to the single real sample within the pixel or to a proximate neighboring pixel. The virtual sample information permits a blending weight to be determined for blending color values of a partially covered pixel with color values of neighboring pixels.

REFERENCES:
patent: 5818456 (1998-10-01), Cosman et al.
patent: 6452595 (2002-09-01), Montrym et al.
patent: 6469707 (2002-10-01), Voorhies
patent: 6720975 (2004-04-01), Dietrich
patent: 6999100 (2006-02-01), Leather et al.
patent: 2006/0103663 (2006-05-01), Collodi
patent: 2007/0097145 (2007-05-01), Akenine-Moller

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