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AMD's Open-Source RadeonSI Driver Sees New Patches

AMD

Published on 17 January 2013 11:44 AM EST
Written by Michael Larabel in AMD
16 Comments

It's been one year since AMD introduced their Radeon HD 7000 "Southern Islands" graphics cards, but the open-source RadeonSI Gallium3D driver for providing an open-source OpenGL driver for this latest-generation of AMD GPUs is still far from being in a readied state for AMD Linux customers.

While the KMS/DRM support came fairly quickly for Southern Islands to at least provide kernel mode-setting support, the Gallium3D driver for providing OpenGL has been very slow to mature. With the HD 7000 series, the 2D acceleration in xf86-video-ati is also being done using the GLAMOR acceleration architecture, which puts OpenGL as a prerequisite for getting 2D acceleration.

Fortunately, there's been a number of RadeonSI driver patches hitting the dri-devel mailing list this week:

radeonsi: Pass texture type to sampling intrinsics
radeonsi: Consolidate calculation of tile mode index
radeonsi: Enable tiling for depth/stencil resources
radeonsi: Use proper hardware format for stencil texturing
radeonsi: Set SPI_SHADER_COL_FORMAT to what the pixel shader actually exports
radeonsi: Fix Z24 texture formats
radeonsi: Actually keep track if we are using depth textures for samplers
radeonsi/vdpau: remove nonsense state tracker dep

Until the RadeonSI Gallium3D driver is in better shape, at least there is the AMD Catalyst driver that's been providing a working binary blob that's feature-complete since day one. If you missed it from yesterday, also checkout The State Of Open-Source Radeon Driver Features.

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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