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OpenBenchmarking.org

BPTC Texture Compression Support Lands In Mesa

Mesa

Published on 12 August 2014 04:01 PM EDT
Written by Michael Larabel in Mesa
3 Comments

Last month we reported on Intel working out patches for BPTC texture compression support with their open-source 3D driver and as of today that support has been mainlined to Mesa.

The necessary patches for implementing BPTC texture compression to turn on the GL_ARB_texture_compress_bptc OpenGL extension were pushed to Mesa Git master. This BPTC texture compression support not only supports the i965 Intel driver with modern HD Graphics (Ivy Bridge and newer) but also the classic "swrast" Mesa software rasterizer.

BTPC is required by the OpenGL 4.2 specification; the extension documentation is on the OpenGL.org registry. The Intel enablement was spread across several commits in Git and will be found in the upcoming Mesa 10.3 release. While the support hasn't yet been mainlined, Nouveau has a BPTC support patch riding off Intel's work and AMD also probably isn't too far behind in adding their support.

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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