Method for generating addresses to textured graphics primitives

Details Method for generating addresses to textured graphics primitives Method for generating addresses to textured graphics primitives

1990-03-16

1993-06-22

Harkcom, Gary V.

G09B 908

Patent

active

052222055

ABSTRACT:
Methods for texture mapping graphics primitives in a graphics pipeline architecture system. The methods utilize rectangular box filters to down-sample original texture maps thereby optimizing aliasing and blurring when graphics primitives have a two-dimensional texture mapped to a three-dimensional object. The methods of texture mapping graphics primitives in a frame buffer graphics system comprise the steps of determining an original texture map of two dimensions for a surface, storing the original texture map in the frame buffer, sampling the original texture map independently using an asymmetrical filter to construct multiple versions of a texture and to address textured pixels on a display in the frame buffer graphics systems, mapping the textured pixels to areas on the frame buffer, and displaying the textured graphics primitives on the display. A technique for addressing textured pixels stored in a rectangular texture (RIP) map is also described.

REFERENCES:
patent: 4851825 (1989-07-01), Naiman
patent: 5097427 (1982-03-01), Lathrop et al.

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