Freedreno Gallium3D Now Handles sRGB Textures, OpenGL 2.1
Written by Michael Larabel in Mesa on 17 May 2014 at 01:33 AM EDT. 12 Comments
Rob Clark's work on the Freedreno Gallium3D driver continue to prosper with hitting yet another achievement for this open-source, reverse-engineered Qualcomm Adreno graphics driver for Linux.

Just days after accomplishing OpenGL 2.0 support out of this Linux driver for Qualcomm's ARM SoCs, which otherwise user are bound to an official Qualcomm closed-source user-space that is mostly focused upon OpenGL ES support on Android, OpenGL 2.1 support for Freedreno has been reached on the Linux desktop.

Rob Clark on Friday committed sRGB texture support to the Freedreno Gallium3D code for the A3xx hardware. It turns out the support was quite easy and just required setting an extra bit. With sRGB texture support in place, that was the last missing feature for being able to expose OpenGL 2.1 support.

While it was quick in going from GL 2.0 to GL 2.1 support, it is expected to be a much longer process until the Freedreno driver has OpenGL (ES) 3.0 support. Rob Clark nevertheless has been doing amazing work on this reverse-engineered driver in his spare time while being employed by Red Hat and without any official support from Qualcomm.

The commit allowing for this OpenGL 2.1 support landed into Mesa Git and will be part of the Mesa 10.3 release that should come in about three months time (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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