Preventing image tearing where a single video input is...

Details Preventing image tearing where a single video input is... Preventing image tearing where a single video input is...

2005-07-28

2009-06-02

Hjerpe, Richard (Department: 2629)

Computer graphics processing and selective visual display system

Plural display systems

C345S001200, C345S001300, C345S213000, C345S539000

Reexamination Certificate

active

07542010

ABSTRACT:
The invention is generally directed to methods and apparatus for preventing image tearing where a single video input is streamed to two or more independent display devices for simultaneous display. A preferred method includes: (a) receiving a sequence of frames from an image data source for refreshing a first display device and at least a second display device; (b) storing a first, sequential frame in the sequence in a first buffer; (c) storing a second, sequential frame in the sequence in a second buffer; (d) refreshing the first display device from the first buffer; (e) refreshing the second display device from the first buffer; (f) determining whether the steps (d) and (e) of refreshing the first and second display devices are complete; and (g) storing a third, sequential frame in the sequence in the first buffer, provided the steps (d) and (e) of refreshing are complete.

REFERENCES:
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