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BPTC Texture Compression Comes To Nouveau After Intel's Work

Mesa

Published on 23 July 2014 07:16 AM EDT
Written by Michael Larabel in Mesa
3 Comments

Just hours after Intel added BPTC texture compression support to Mesa and their DRI driver, frequent Nouveau contributor Ilia Mirkin added BPTC support to Gallium3D and wired it up for the "NVC0" Fermi/Kepler Gallium3D open-source NVIDIA driver.

With most of the lifting out of the way by Intel's work, Ilia added support to Gallium3D for the BPTC formats, added the support to the Mesa state tracker and expose the GL_ARB_texture_compression_bptc, and then implemented the work within the NVC0 driver. The ARB_texture_compression_bptc texture compression support is mandated by the OpenGL 4.2 specification.

The four patches implementing the BPTC texture compression support can be found for now on Mesa-dev while they'll likely be committed to Mesa Git soon enough ahead of the 10.3 release. It probably won't be long now until Radeon Gallium3D also takes advantage of this texture compression extension.

Update: There's also now a patch to support BPTC for the Radeon R600g driver that rides off the Intel and Nouveau patches.

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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