Intel's Mesa Driver Now Supports OpenGL 4.5's ARB_clip_control
Written by Michael Larabel in Mesa on 5 April 2015 at 08:40 AM EDT. 7 Comments
While the Radeon, Nouveau, and LLVMpipe/Softpipe drivers have already supported the OpenGL ARB_clip_control extension, the Intel (i965) driver now finally supports this OpenGL 4.5 extension too.

"This extension provides additional clip control modes to configure how clip space is mapped to window space. This extension's goal is to 1) allow OpenGL to effectively match Direct3D's coordinate system conventions, and 2) potentially improve the numerical precision of the Z coordinate mapping," explains the registry specification.

Mathias Fröhlich was the developer that worked out the ARB_clip_control support for the Intel Mesa driver and pushed it out today as a nice Easter surprise.
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Michael Larabel is the principal author of 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 automated benchmarking software. He can be followed via Twitter or contacted via

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