Window display processing method and apparatus

Details Window display processing method and apparatus Window display processing method and apparatus

1995-09-12

1998-12-29

Mengistu, Amare

Computer graphics processing and selective visual display system

Display driving control circuitry

Controlling the condition of display elements

345344, 345508, G09G 514

Patent

active

058546286

ABSTRACT:
Two window ID plane storages corresponding to two frame buffers store window ID planes consisting of window ID's as window ID information for individual pixels to identify a window pixel by pixel of each frame buffer. An overlapping table storage stores an overlapping table which describes the overlapping relation among individual windows over those frame buffers. A switching section selects a window to be displayed and switches between the frame buffers pixel by pixel, in accordance with the two window ID planes and the contents of the overlapping table. The switching section then supplies the content of the selected frame buffer to a monitor.

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patent: 5241656 (1993-08-01), Loucks et al.
patent: 5475812 (1995-12-01), Corona et al.
patent: 5588106 (1996-12-01), Habata

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