Prolific Open-Source Contributor Implements Another GL 4.5 Extension In Mesa
Written by Michael Larabel in Mesa on 10 September 2015 at 07:14 PM EDT. 17 Comments
MESA --
Ilia Mirkin, the independent developer known for his contributions to the open-source Nouveau and Freedreno graphics drivers, has implemented another OpenGL 4.5 extension in core Mesa and exposed it for the Intel i965 graphics driver.

Mirkin has enabled support for the ARB_shader_texture_image_samples extension in core Mesa and the i965 driver today, via a series of commits.

As explained by the official extension specification, "this extension provides GLSL built-in functions allowing shaders to query the number of samples of a texture."

Ignoring all of the rest of the OpenGL 4.x extensions needed, core Mesa for OpenGL 4.5 has implemented a number of the needed extensions but still misses out right now on ARB_ES3_1_compatibility, ARB_cull_distance, KHR_robust_buffer_access_behavior, and still needs to finish KHR_robustness. It likely won't be until sometime in 2016 that Mesa reaches OpenGL 4.5 compliance, but at least progress continues being made from a wide variety of contributors.

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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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