DRI3 & Present Support Finally Land Within Intel's Driver
Written by Michael Larabel in X.Org on 2 June 2014 at 10:15 AM EDT. Add A Comment
Support for Direct Rendering Infrastructure 3 and the Present Extension are finally supported by the mainline Intel X.Org graphics driver.

X.Org Server 1.15 was released in late December and offered server-side support for DRI3 and Present, but only now is the Intel DDX driver (xf86-video-intel) offering integrated support for these latest open-source display technologies... Intel's DDX push today is also the first major X.Org driver integrating the support.

DRI3 involves using FDs with DMA-BUF to pass objects around rather than global GEM handles. The DRI3 Present extension is about swapping screen contents in a more synchronized manner.

In a series of Git commits today, Chris Wilson of Intel's Open-Source Technology Center added SNA support for DRI3, SNA support for Present, and also UXA support for these new X.Org features. The SNA DRI2 code also now supports real asynchronous page-flipping on supported versions of the kernel and xorg-server.

Perhaps now we will finally see the Intel X.Org 3.0 driver release...
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Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter or contacted via MichaelLarabel.com.

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