Intel Is Getting Very Close With Its Last Extension For OpenGL 4.3
Written by Michael Larabel in Intel on 21 May 2016 at 09:09 AM EDT. 12 Comments
For Broadwell hardware and newer, this week marked the milestone of the Intel Mesa driver exposing OpenGL 4.2 support. However, they are only one extension away from OpenGL 4.3 compliance for the newer Intel graphics hardware and a new version of that patch-set was just posted.

Jason Ekstrand on Friday published his second revision of the patches for wiring in the ARB/KHR_robust_buffer_access_behavior within the Intel Mesa driver. ARB_robust_buffer_access_behavior is needed for OpenGL 4.3 and KHR_robust_buffer_access_behavior is needed for OpenGL 4.5.

Once these patches land, the Intel Mesa driver will be at OpenGL 4.3 compliance for Broadwell hardware and newer. But these buffer access behavior extensions are support on Haswell and newer along with Bay Trail, so that's a bit of good news for those still using older Intel graphics hardware.

Also related for the GL bring-up is the SIMD32 patches published a few hours ago by Francisco Jerez.

It's looking quite possible that for Mesa's September release Intel could be at OpenGL 4.5 compliance. That's a huge milestone and would be exciting to see. Of course, the game isn't over though for OpenGL and the next revision is expected in August.
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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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