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Wayland Can Now Do Surface Transformations

Wayland

Published on 28 January 2012 08:47 AM EST
Written by Michael Larabel in Wayland
2 Comments

Patches have landed so that the Wayland Display Server can now handle surface transformations. Separately, there's also an easy-to-understand guide for using the Qt 5.0 tool-kit with Wayland.

Pekka Paalanen published a patch-set that's ready for pulling to do surface transformations. Display surfaces within Wayland can now have any number of arbitrary projective-linear transformations. Input coordinate transformations are also handled as part of the patch-set, which in the process of implementing the coordinate system was cleaned-up. Right now this is only 2D-to-2D transformations being handled.

As far as why Pekka's working on surface transformation support within Wayland itself, his use-cases in mind are in order to have a zoom effect / full-screen scaling so that they work in a uniform manner within the land of Wayland and "it's bling, like wscreensaver ;-)"

Find his patch-set on the mailing list.

If you're itching to try out Wayland right now with the Qt5 tool-kit, Tiago Vignatti has written a detailed guide covering the build/setup process. This guide covers building Qt 5 from Git and how the Qt back-end can be dynamically changed to handle Wayland. Qt5 window abstraction allows applications to run nicely whether it be X.Org or Wayland (or the various other display back-ends), though applications can optionally interact directly with the Wayland surface and display. The Wayland Qt5 guide covers all these details.

Wayland will be a big topic next weekend at FOSDEM 2012 in Brussels, Belgium.

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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