1. Computers
  2. Display Drivers
  3. Graphics Cards
  4. Memory
  5. Motherboards
  6. Processors
  7. Software
  8. Storage
  9. Operating Systems


Facebook RSS Twitter Twitter Google Plus


Phoronix Test Suite

OpenBenchmarking.org

KDE 4.10 KWin To Properly Support AMD Catalyst

AMD

Published on 27 August 2012 09:22 AM EDT
Written by Michael Larabel in AMD
24 Comments

KWin, KDE's compositing window manager, will better play with the AMD Catalyst binary blob in the KDE 4.10 release by enabling direct rendering and the OpenGL 2.x back-end for those using the latest Catalyst driver.

A few days ago there was a KDE review request submitted by AMD's Jammy Zhou for white-listing the AMD Catalyst driver for KWin direct rendering. Jammy Zhou wrote, "With latest Catalyst Linux drivers (8.973/8.98 and later), the direct rendering can work well now...The return value of opengltest is correct for different AMD Catalyst driver versions."

Martin Gräßlin, the lead KWin maintainer, has confirmed this change for KDE 4.10 via his blog:
But the work on 4.10 is rather impressive and really important. First of all I want to thank Jammy Zhou for adapting our OpenGL test application to determine whether the Catalyst driver supports direct rendering with compositing. Thanks to that change KWin will default to direct rendering and OpenGL 2 on the latest Catalyst drivers (in fact KWin defaults to direct rendering on all drivers now). If you are already using a recent Catalyst version you can also set the environment variable “KWIN_DIRECT_GL” to “1″ to enforce direct rendering, no matter what the test app thinks. This works with all currently supported KWin versions.
This news comes after back in February I wrote AMD would work to properly support KWin with Catalyst following news that they want to drop the old KWin GL1 renderer and that would cause problems for Catalyst and old GPUs.

KDE 4.10 should be released in late January of 2013.

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 .
Latest Linux Hardware Reviews
  1. Intel Xeon E5-1680 v3 & E5-2687W v3 Compared To The Core i7 5960X On Linux
  2. Intel 120GB 530 Series SSD Linux Performance
  3. Btrfs/EXT4/XFS/F2FS RAID 0/1/5/6/10 Linux Benchmarks On Four SSDs
  4. AMD's Windows Catalyst Driver Remains Largely Faster Than Linux Drivers
Latest Linux Articles
  1. Apple OS X 10.10 vs. Ubuntu 14.10 Performance
  2. Mesa 10.5-devel Brings Some Intel Haswell HD Graphics Changes Over Mesa 10.3
  3. NVIDIA vs. Nouveau Drivers With Linux 3.18 + Mesa 10.4-devel
  4. Is The Open-Source NVIDIA Driver Fast Enough For Steam On Linux Gaming?
Latest Linux News
  1. Meizu's Ubuntu Phone Not Expected Until Early Next Year
  2. DragonFlyBSD 4.0 Drops i386 Support, Improves Graphics
  3. Expensive "Free/Libre Software Laptop" Uses A NVIDIA GPU
  4. QEMU 2.2-rc3 Released, Final Release Pushed Back By Couple Days
  5. 64-bit ARM FreeBSD Support Is Taking Shape
  6. GCW Zero Starts Seeing New Game Releases
  7. Intel's Cherry Trail Delayed To Next Year
  8. Bq Introduces More Android Devices, But Still No Ubuntu Phones
  9. Qt 5.4 Release Candidate Expected Later This Week
  10. ArrayFire Accelerated Compute Library Open-Sourced
Latest Forum Discussions
  1. Updated and Optimized Ubuntu Free Graphics Drivers
  2. Hurrican SDL Port
  3. Roadmap to Catalyst 14.10 ?
  4. how to configure module phoromatic ?
  5. PulseAudio 6.0 Is Coming & Other Linux Audio Plans For The Future
  6. Debian Developer Resigns From The Systemd Maintainership Team
  7. Cant get working Kaveri APU - A10-7850k
  8. Script for Fan Speed Control