Method and apparatus for graphics data interpolation

Details Method and apparatus for graphics data interpolation Method and apparatus for graphics data interpolation

1991-04-02

1992-10-20

Brier, Jeffery A.

Communications: electrical

Continuously variable indicating

With meter reading

340798, 340728, 395162, 364723, G09G 500

Patent

active

051573881

ABSTRACT:
Special purpose graphics instructions are provided to implement linear interpolation of pixel attributes such as a distance (Z) value or color intensity. Multiple fixed-point real number additions are performed in parallel in a 64-bit adder. The real number sums are truncated upon being loaded in a MERGE register, the contents of which are then shifted. By performing two or more of such instructions consecutively, multiple interpolated values are accumulated in the MERGE register.

REFERENCES:
patent: 4113361 (1978-09-01), Nakano
patent: 4733230 (1988-03-01), Kurihara et al.
patent: 4797849 (1989-01-01), Nakano
patent: 4894776 (1990-01-01), Dekel

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