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The X.Org Multi-Touch Protocol Specification Is Drafted

X.Org

Published on 06 August 2010 06:50 AM EDT
Written by Michael Larabel in X.Org
1 Comment

Peter Hutterer, one of the few X.Org input developers and the developer behind Multi-Pointer X when he was a student in Australia, has now published the first public draft of the multi-touch protocol specification. The multi-touch protocol specification is a low-level spec to be integrated with the X Input Extension for further enriching the multi-touch capabilities on Linux and other operating systems using the X.Org Server.

The multi-touch protocol specification adds backwards-compatible pointer emulation for single-touch interaction, supports a dynamic number of simultaneous touch points, and provides support for devices that are both multi-touch and traditional pointer devices. Peter intends for this new specification to be integrated with the X Input Extension for version 2.1.

Those interested in reading this low-level specification and providing any feedback on it can find the text on the xorg-devel mailing list. While X.Org Server 1.9 is expected for release before month's end, X Input Extension 2.1 with this specification update for better the multi-touch protocol may be on the table for X.Org Server 1.10. X Server 1.10 will likely make it out the door in Q1'2011.

About The Author
Michael Larabel is the principal author of Phoronix.com and founded the web-site in 2004 with a focus on enriching the Linux hardware experience and being the largest web-site devoted to Linux hardware reviews, particularly for products relevant to Linux gamers and enthusiasts but also commonly reviewing servers/workstations and embedded Linux devices. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics hardware drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated testing software. He can be followed via and or contacted via .
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