Here's a look at some of the AMD Radeon DRM open-source kernel driver changes that are being finalized for the Linux 3.9 kernel.
With the Radeon Gallium3D driver (and Mesa/Gallum3D drivers in generally) finally moving on to properly handling more visually demanding and modern OpenGL games and other workloads, it's time for CS memory accounting to be implemented within the open-source driver.
The xf86-video-ati 7.1.0 graphics driver was released today as stable with several changes.
An AMD Catalyst "13.2 Beta 3" driver has surfaced on the Internet for Linux users relying upon this binary blob for graphics acceleration on Radeon and FirePro graphics hardware.
Alan Cox, the venerable Linux kernel developer presently employed by Intel and an avid open-source enthusiast, has lashed out against the recent release of Fedora 18. Cox calls the new Fedora release, "the worst Red Hat distro I've ever seen." Alan ended up switching to Ubuntu as a result of his disastrous experience with Fedora 18.
After yesterday running some Intel Ivy Bridge graphics tests on Fedora 18 as a preview of future extensive benchmarks coming from the "Spherical Cow" release, here's some tests of the AMD Radeon R600 Gallium3D on this week-old Fedora Linux release compared to its "Beefy Miracle" predecessor from 2012.
While AMD has went months without updating their Catalyst "Legacy" Linux graphics driver for the Radeon HD 2000 through Radeon HD 4000 series graphics cards to support new X.Org Server / kernel releases and other bug-fixes, they decided today to finally put out an updated legacy driver! This updated AMD Catalyst Linux Legacy driver is tagged as version 13.1.
Catalyst 13.1 for Linux was released on Thursday as the first AMD Linux binary blob of 2013. This driver is notable since it officially supports X.Org Server 1.13.
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.
As a result of a discussion about when the AMD open-source drivers will be feature complete, AMD's John Bridgman summarized the state of some Radeon driver features like UVD video decoding, Hyper-Z, Hybrid Graphics, OpenCL, and other AMD Radeon GPU functionality on Linux.
Recently there was finally MSAA support added to the R300 Gallium3D driver. While multi-sample anti-aliasing finally made it to this open-source GPU driver that supports the old ATI R300 through R500 GPUs, benchmarks I did last week showed the R300 MSAA performance was a mess. Fortunately, Marek Olšák has made some significant performance optimizations to the R300g MSAA support.
In addition to killing the Xorg R300g state tracker target, on Sunday Marek Olšák pushed a number of other changes into the vintage "R300g" open-source graphics driver.
The open-source AMD "R600g" Gallium3D driver is slowly but surely closing in on OpenGL 3.3 support for this open-source Linux graphics driver that supports from the Radeon HD 2000 through Radeon HD 6000 GPUs.
Last year UBO and TBO for the Radeon R600 Gallium3D driver was talked about and early patches proposed, but merged on Friday was finally this support for Uniform Buffer Objects and Texture Buffer Objects. With the OpenGL UBO/TBO support, the Radeon R600g driver is now advertising GLSL 1.40 as needed for OpenGL 3.1 compliance.
Marek Olšák has implemented support for buffer copying using the CP DMA engine on Radeon HD 4000 "R700" GPUs and newer.
The R600 LLVM back-end for the Radeon Gallium3D driver was removed from Mesa.
The open-source AMD Radeon Linux graphics stack has been deprecating the user-space mode-setting (UMS) code for a while and is now finally making the kernel-space mode-setting (KMS) support the default Radeon interface for the Linux kernel.
While the AMD Radeon "R300g" Gallium3D driver has been effectively "done" for a while, only this weekend has multi-sample anti-aliasing (MSAA) support come to this open-source graphics driver that supports the ATI Radeon X1000 (R500) GPUs and older hardware.
Vadim Girlin has published a new Mesa branch that integrates a shader disassembler and ISA information tables within the AMD R600 Gallium3D graphics driver.
A commit to the xf86-video-ati driver this morning by AMD's Michel Dänzer says it enables full 2D acceleration for the Radeon HD 7000 "Southern Islands" GPUs.
Catalyst A.I. is a feature built into AMD's proprietary Radeon graphics driver meant to enhance the OpenGL performance for certain games, but under Linux it's not incredibly useful.
To be published on Thursday and Friday of this week is the annual "year in review" articles for the AMD Catalyst and NVIDIA Linux graphics drivers. While those articles are looking at the OpenGL performance for all driver releases made in the past year, some OpenCL benchmarks were also conducted.
David Airlie recently published UBO and TBO patches for Gallium3D that allowed the Softpipe driver to work with the OpenGL Uniform Buffer Object and Texture Buffer Object features. Airlie has now worked on AMD's R600 Gallium3D driver to support these OpenGL 3.x features as part of GLSL 1.40 support.
While there was already one round of driver changes for the AMD Radeon DRM kernel driver to be found in the Linux 3.8 kernel, followed by a second pull days later that landed a-synchronous DMA engine support, there's now a third set of changes targeting the Radeon driver in this next kernel release.
It was just days ago that the R300 Gallium3D driver got HyperZ support fixed-up and was finally enabled by default for bettering the OpenGL gaming performance with the open-source Linux graphics driver. Now it looks like the newer R600g driver is getting into shape for properly handling ATI/AMD HyperZ.
After being in development for the past year, AMD's Radeon R600 LLVM back-end has been merged into the upstream LLVM code-base.
AMD released the Catalyst 12.12 Linux graphics driver for those still reliant upon their binary blob for Radeon/FirePro graphics card support.
After the benchmarks of the Radeon Gallium3D sub-allocator that in some tests yields more than a 25% performance boost, initial testing was done of the new AMD a-sync DMA engine support for the open-source Radeon driver.
With a patch sent to the Mesa development list on Monday, Marek Olšák has made another significant performance improvement to the commonly used R600 Gallium3D driver for AMD Radeon graphics cards.
AMD has released updates to their multi-platform APP SDK for Accelerated Parallel Processing as well as to CodeXL, their closed-source tool for analyzing OpenCL code.
1019 AMD news articles published on Phoronix.