Dual programmable block texturing and complex clipping in a grap

Details Dual programmable block texturing and complex clipping in a grap Dual programmable block texturing and complex clipping in a grap

1990-09-14

1993-10-19

Shaw, Dale M.

Computer graphics processing and selective visual display system

Display driving control circuitry

Controlling the condition of display elements

395130, 395134, 395141, 395166, 345191, G06F 1520

Patent

active

052553604

ABSTRACT:
A block texturing and complex clip mask processor for use in a graphics rendering cogenerator. The processor provides two directly accessed texture patterns, and combinational logic for combining texture patterns and graphic primitive signals. The combined texture pattern signals and primitive signals provide for both textured graphic primitives and complex shaped clip mask areas. Also included are inputs for defining rectangular clip masks and logic means for combining the rectangularly clip masks with the texture, graphic primitive and complex clip mask signals.

REFERENCES:
patent: 4272808 (1981-06-01), Hartwig
patent: 4343037 (1982-08-01), Bolton
patent: 4885703 (1989-12-01), Deering
patent: 4894653 (1990-01-01), Frankenbach
patent: 5003496 (1991-03-01), Hunt, Jr. et al.
patent: 5097427 (1992-03-01), Lathrop et al.

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