Title:
【発明の名称】映像画素データの形式を識別する方法、映像グラフィックス装置中の回路、及びコンピュータ・システム
Document Type and Number:
Japanese Patent JP3062068
Kind Code:
B2
Abstract:
A method and apparatus for a computer graphics system which identifies the format of video pixel data in a data stream potentially having a plurality of data formats is disclosed. The method comprises the steps of (a) receiving pixel data; (b) selecting an output channel in response to at least one particular value of at least one bit of each said received pixel datum wherein the particular value identifies the data format; and (c) providing said pixel data to said selected output channel. Also provided is a circuit in a video graphics controller and a computer system having such circuit according to the method.
Inventors:
Edward Kelly Evans
Roderick Michael Peters West
Roderick Michael Peters West
Application Number:
JP33381995A
Publication Date:
July 10, 2000
Filing Date:
December 21, 1995
Export Citation:
Assignee:
International Business Machines Corporation
International Classes:
G06F13/12; G09G5/00; G09G5/02; G09G5/06; G09G5/36; G09G5/395; (IPC1-7): G09G5/00; G06F13/12; G09G5/02; G09G5/06
Domestic Patent References:
| JP7306667A | ||||
| JP61144190A | ||||
| JP223774A | ||||
| JP7322295A | ||||
| JP3183290A | ||||
| JP1248888A |
Attorney, Agent or Firm:
Jiro Yamamoto (2 outside)