Computer implemented method for compressing 24 bit pixels to 16

Details Computer implemented method for compressing 24 bit pixels to 16 Computer implemented method for compressing 24 bit pixels to 16

1996-02-15

1997-04-15

Gordon, Paul P.

Boots, shoes, and leggings

382233, 382235, 395102, 395109, 395112, G06F 700, G06F 1500

Patent

active

056216742

ABSTRACT:
A computer implemented method for compressing bit formats provided in a first packed data sequence. One embodiment of the method comprises the steps of generating, in response to executing a first instruction, a second packed data sequence by copying the first packed data sequence. A second step of masking, in response to executing a second instruction, a portion of the first packed data sequence. A third step of shifting data elements of the first packed data sequence, in response to executing a third instruction, wherein the data elements are independently shifted by separate shift counts. A fourth step of masking, in response to executing a fourth instruction, a portion of the second packed data sequence. A fifth step of generating, in response to executing a fifth instruction, a final result by joining the second and first packed data sequences.

REFERENCES:
patent: 4633483 (1986-12-01), Takahashi et al.
patent: 5218431 (1993-06-01), Gleicher et al.
patent: 5287420 (1994-02-01), Barrett
patent: 5446831 (1995-08-01), Yamashita et al.

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