S3TC Support Will Land In Mesa Now That The Patent Has Expired
Written by Michael Larabel in Mesa on 2 October 2017 at 07:08 AM EDT. 26 Comments
MESA --
As mentioned last week, the S3TC patent has now expired. With the S3 Texture Compression no longer encumbered by a patent, support for it is being added to mainline Mesa.

Matt Turner of Intel has sent out a patch this morning, on the S3TC patent expiry date, to add support to mainline Mesa. The code used is what previously lived in its own standalone libtxc_dxtn library.

With the patches, EXT_texture_compress_s3tc and ANGLE_texture_compression_dxt are enabled by default in all supported configurations.

The patches for now can be found on Mesa-dev and will hopefully be merged to mainline in the days ahead for Mesa 17.3.
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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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