A Restart For The Botched RandR 1.4
Written by Michael Larabel in X.Org on 1 March 2011 at 01:28 PM EST. 3 Comments
Besides laying out the plans for releasing X.Org Server 1.11 in August, Keith Packard has restarted the discussion surrounding RandR 1.4 so that it will hopefully be readied for integration into this next X Server release. It was part of X.Org Server 1.10 until the last minute when it was pulled from the server and caused a last minute video ABI break.

This is the second failed attempt to pull version 1.4 of the Resize and Rotate extension into the X.Org Server. Originally, RandR 1.4 was supposed to be in X.Org Server 1.9. RandR 1.4 was merged into X.Org Server 1.10 with per-CRTC pixmaps support and other changes, but just last week it was dropped.

In trying to finally get RandR 1.4 out the door with X.Org Server 1.11, Keith Packard initiated this mailing list thread.

Besides bringing the much talked about per-CRTC pixmaps for providing multiple scan-out buffers, RandR 1.4 also adds support for sprite position and image transforms and a request change for CRTC configurations, which can reduce screen flickering and make it easier for NVIDIA's developers to finally implement RandR 1.2+ support within their binary driver. This version though does not provide per-output DPMS controls or any multi-GPU improvements.
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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 Twitter or contacted via MichaelLarabel.com.

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