More OpenGL Extensions Emerging In Mesa
Written by Michael Larabel in Mesa on 21 January 2014 at 08:03 AM EST. 6 Comments
It was just yesterday I was writing about a new OpenGL 4.1 extension in Mesa and today I have two more GL4 extensions to report on that are in the process of being enabled for the Mesa driver, in particularly within Intel's open-source code.

First up are a set of 15 patches by Chris Forbes that implement ARB_texture_view support for the Intel DRI driver. In the past there was some groundwork done on ARB_texture_view, but this new set of patches make the extension actually work for Intel's graphics driver with Ivy Bridge and Haswell. ARB_texture_view allows a texture's data store to be viewed in multiple ways and this extension is required by the OpenGL 4.3 specification.

The Intel ARB_texture_view work can be found on Mesa-dev.

The other extension work to already report on this morning is ARB_arrays_of_arrays. This work is the second-round of Mesa crowd-funding done independently by Timothy Arceri. This is another OpenGL 4.3 specification and allows basically multi-dimensional arrays within OpenGL and GLSL. It's taken some time to get this GL4 extension implemented but he's now up to a second version of the patches for review on the mailing list. Unfortunately the work isn't done in full yet -- i.e. hooking it up to the actual hardware GPU drivers -- and Arceri doesn't know how long it will be until he finishes up that work.
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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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