Developers Are Still Working On OpenGL 4.x For Intel Haswell / Ivy Bridge
Written by Michael Larabel in Intel on 13 July 2016 at 11:32 AM EDT. 24 Comments
INTEL --
The developers at Igalia continue working on the necessary OpenGL functionality to be able to advertise OpenGL 4.x support in Mesa for Ivy Bridge and Haswell "Gen 7" graphics.

With the recent Mesa 12.0 release there is OpenGL 4.3 support on the Intel side only for Broadwell hardware and newer. This is due to different back-ends compared to older generations of GPUs, less bugs to worry about, and other factors. Now that support for the newer Intel GPUs is sorted out for OpenGL 4.3, developers at Intel and Igalia have been focusing on bringing the Ivy Bridge and Haswell support to a more respectable GL level under Linux.

One of the big items that is blocking the HSW/IVB support from GL4 has been the ARB_gpu_shader_fp64 extension. Over on the Igalia blog they've explained the state as it pertains to Intel Mesa driver support.

Soon it's looking like the patches for Intel Gen7 FP64 back-end could be under review and the developers are hoping to expose OpenGL 4.2 there as soon as possible. Check out that blog post if you are interested in more of the technical details.

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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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