Computer graphics system having efficient texture mapping with p

Details Computer graphics system having efficient texture mapping with p Computer graphics system having efficient texture mapping with p

1998-04-02

2000-05-02

Powell, Mark R.

Computer graphics processing and selective visual display system

Computer graphics processing

Graph generating

G06T 1700

Patent

active

060578513

ABSTRACT:
A computer graphics system stores graphics data the represents one or more three dimensional objects. The objects are represented by one or more primitives each defined by a plurality of vertices. The graphics systems renders the objects to generate a two dimensional image for display. During the rendering operation, coordinates of vertices of said primitives are subjected to a perspective transformation. The present invention provides a method and apparatus that uses at least one look-up table for mapping a texture function to pixels covered by at least one of said primitives.

REFERENCES:
patent: 5394516 (1995-02-01), Winser
patent: 5870097 (1999-02-01), Snyder et al.
patent: 5886701 (1999-03-01), Chauvin et al.
patent: 5886703 (1999-03-01), Mauldin
patent: 5977977 (1999-11-01), Kajiya et al.
"Survey of Texture Mapping", P.S. Heckbert, IEEE CG&A, 1986.
"Interpolation for Polygon Texture Mapping and Shading", P.S. Heckbert and H.P. Moreton, Dept. of Electrical Eng. and Computer Sciences, Univ. of Calif., Berkeley, CA 94720, Jul. 15, 1990.
"A Trip Down the Graphics Pipeline: The Homogeneous Perspective Transform", J.F. Blinn, IEEE Computer Graphics & Applications, May 1993.

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