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Nouveau & Radeon Pick-Up Stencil Texturing Support

Mesa

Published on 04 May 2014 08:45 PM EDT
Written by Michael Larabel in Mesa
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The latest great work done by independent Nouveau contributor Ilia Mirkin is implementing support for OpenGL 4.3's ARB_stencil_texturing in not only the open-source NVIDIA Linux driver but the code also allows this GL extension to be supported by the Radeon R600 and RadeonSI drivers too.

The GL_ARB_stencil_texturing allows texturing of the stencil component of a packed depth stencil texture, as outlined via the OpenGL.org registry. It was back in March when Intel implemented support for the extension within their classic Mesa driver.

This Sunday, Ilia Mirkin wired up the support for the Gallium3D drivers. In the case of ARB_stencil_texturing, it's an easy case of implementing the support within Gallium3D's Mesa state tracker, which then allows for "free" the Gallium3D drivers to have this support. No changes were required to any of the hardware drivers or other code outside of the Mesa state tracker, per this commit. Nouveau's NV50 and NVC0 drivers are marked off for having this OpenGL 4.3 extension support while on the Radeon side it's relevant to the R600 and RadeonSI drivers.

About The Author
Michael Larabel is the principal author of Phoronix.com and founded the web-site in 2004 with a focus on enriching the Linux hardware experience and being the largest web-site devoted to Linux hardware reviews, particularly for products relevant to Linux gamers and enthusiasts but also commonly reviewing servers/workstations and embedded Linux devices. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics hardware drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated testing software. He can be followed via and or contacted via .
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