Gallium3D Feature Levels Plotted, Discussed
Written by Michael Larabel in Mesa on 12 January 2010 at 07:56 AM EST. 3 Comments
The last time we talked about Gallium3D work being done by Zack Rusin was just before the holidays when he was hacking on new geometry shader support. Zack's latest work on Gallium3D though is for defining "feature levels" that provides a table for what features can be supported by a given driver / graphics processor.

The Gallium3D feature levels pair closely to DirectX version numbers and their capabilities, such as with regard to the availability of fragment shaders, vertex shaders, maximum texture dimensions, two-sided stencil, and other technical features. These seven Gallium3D feature levels also state which support OpenCL 1.0, OpenGL 4.0/3.2/3.0, etc. Beyond just defining these levels, Zack has also added a parameter to the Gallium3D infrastructure so that drivers can expose which feature level they support.

This work and the resulting discussion can be found in this Mesa mailing list thread.
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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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