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Mesa News Archives

Overhauling Mesa's GLSL Compiler Performance

We like hearing about performance improvements for Linux and also Linux graphics in general, but when there's something about performance improvements for Linux graphics, it certainly gets us excited and garners our interest. This time we get to report on work being done to Mesa's GLSL compiler, which is now running drastically faster in a branch of Mesa that will be published in about a week.
12 November 2009 - Up To 100 Times Boost - 10 Comments

Mesa Comes To Android-based x86 Netbooks

If you pay attention to the Mesa3D development mailing list at all you will have noticed quite a number of messages lately from Chia-I Wu, who has been pushing a good number of patches lately. Largely his work has pertained to OpenGL ES support for mobile devices, but his intentions are now known. Chia-I Wu is bringing Mesa (Gallium3D inclusive) to Android. In particular, Chia-I is focusing on running Mesa under Android on Intel-powered netbooks.
10 November 2009 - OpenGL ES 2.0 Branch

ATI R300 Gallium3D DRI Support Is "Done"

A month ago we shared that the Gallium3D driver for the ATI R300/400/500 graphics cards (up through the Radeon X1000 series) was mostly done. Now today, the key author of the R300 Gallium3D driver, Corbin Simpson, has updated the status wiki to reflect the latest changes. The key change? The DRI state tracker report is no longer "mostly" implemented, but now it's "done" according to Corbin.
9 November 2009 - Wiki Page Updated - 42 Comments

The State of State Trackers In Gallium3D

With all of the talk earlier this week regarding the Poulsbo Gallium3D driver and its performance improvements along with the restarted efforts on the Intel 965 Gallium3D driver and then word that Mesa 7.7 may be out by Christmas, it's likely that many are wondering about the current state of the various Gallium3D state trackers that we have been talking about for the past months. Well, here's a few observations on the different state trackers at least where they are at in Git.
4 November 2009 - Varies - 6 Comments

Mesa 7.7 May Be A Christmas Present

The Mesa 3D graphics library on Linux has been moving along at a brisk pace lately with a frequent stream of new releases as many features arrive like new Gallium3D state trackers, maturing of new hardware support (particularly with the ATI Radeon graphics), and new OpenGL extension support. Mesa 7.6 was released in September, but now Intel's lead OpenGL contributor, Ian Romanick, has proposed a release schedule for Mesa 7.7.
3 November 2009 - Released On 21 December?

DRM Development Documentation (TTM, GEM, KMS, etc)

One of the common complaints that arise from hopeful X.Org / Mesa developers or those aspiring to contribute to this critical free software area is that there's not enough documentation that is up-to-date and covers the internals of the X Server, Mesa, DDX drivers, etc. Well, for those looking to get into any Direct Rendering Manager (DRM) work, a heap of new documentation is available. Intel's Jesse Barnes has invested a great deal of time in updating (well, creating) the DRM developer documentation.
26 October 2009 - Developer Help - 5 Comments

Assembly Shader Extension For Mesa Drafted

Back during the X Developers' Conference last month, one of the sessions was on GL shaders for Shader Model 3/4. This talk led by Ian Romanick called for advanced assembly shader extensions for Mesa, which would greatly benefit some middle-ware projects like Wine and Cedega with Mesa's current state and not having a bolstered GLSL implementation. None of the current OpenGL extensions are suitable for this due to some of the extensions being designed for use on specific hardware, rather than being ideal for use across all Mesa drivers/hardware, and other extensions not satisfying the needs Ian and other developers want. Long story short, Ian has written a new OpenGL extension as a result: GL_MESA_gpu_program3.
14 October 2009 - Ian Romanick Writes It Up - 3 Comments

ATI R300-R500 Gallium3D Driver Is "Mostly" Done

It has been a while since talking specifically about ATI's Gallium3D driver, but there is some good news coming out now for the driver that supports the ATI R300 through R500 (Radeon X1000) series hardware. Corbin Simpson, the developer that has largely been working on porting the 3D work from the classic Mesa driver to Gallium3D, has updated the Radeon Feature Matrix page on the X.Org Wiki last night.
10 October 2009 - Wiki Page Update - 38 Comments

Linux Foundation To Take Stab At 3D Patent Issue

This week at the X Developers' Conference there was a talk surrounding OpenGL 3.x and its lack of complete support within the latest Mesa code. While development manpower can end up be limiting, there are also some patent / legal issues surrounding this with regard to some parts of core OpenGL being covered by such inhibitive patents. This was explained here along with some of the possible ways to circumvent the issue.
3 October 2009 - Plus OIN - 6 Comments

Patents May Cause Issues For OpenGL 3 In Mesa

While work on OpenGL 3.x support in Mesa has been very slow, many have been looking forward to the day when Gallium3D hardware drivers provide fast acceleration and a OpenGL 3 state tracker to provide this support to all Gallium3D users. Intel though has also been wanting to bring some OpenGL 3 support to the classic Mesa stack. However, at XDC2009, Intel's Ian Romanick has expressed some issues with patents that could inhibit the support.
1 October 2009 - What's The Solution? - 50 Comments

Mesa 7.6 Released, Mesa 7.5 Updated Too

Just as planned, Mesa 7.6.0 has been released and Mesa 7.5.2 has also been released as a bug-fix in the 7.5 series. The mailing list announcements for Mesa 7.5.2 and 7.6.0 can be read here and here, respectively.
28 September 2009 - Just As Planned

XvMC Work Moved To X.Org State Tracker

At the beginning of this month we shared news about X-Video and EXA coming to Gallium3D through a new X.Org State Tracker being written by Zack Rusin. While Gallium3D was designed for providing 3D acceleration of sorts (OpenGL, OpenVG, OpenGL ES, etc), with the latest graphics processors using the 3D engine for even providing 2D EXA acceleration, Zack spanned this support to include EXA and then X-Video. Just a few days ago the real X-Video work began in this state tracker. Now though, the support to bring XvMC to the Gallium3D has moved to this X.Org state tracker too.
28 September 2009 - Yet More Gallium3D News - 1 Comment

Work On X-Video In Gallium3D Is Underway

Earlier this month we shared that X-Video and EXA support were coming to Gallium3D in the form of a state tracker to accelerate these X.Org APIs across any Gallium3D driver. At the time of that earlier article, the EXA 2D support was being partially implemented but the X-Video support was still left to be accomplished. Well, as of this afternoon, Zack Rusin has started pushing out code to the X.Org state tracker in Mesa that is adding the X-Video support.
24 September 2009 - Zack Rusin Hacks Away

Mesa 7.6 Planned For Release Next Week

Intel's Ian Romanick has publicly outlined his plans to have the release of Mesa 7.6 next week. A release on Monday is being planned, which would be timed with the start of the X Developers' Conference taking place in Portland and would also get this updated Linux graphics stack out the door for those distribution vendors wanting to ship a released version of this code in their new distributions.
23 September 2009 - At X Developers' Conference - 23 Comments

Gallium3D's Softpipe Driver Now Runs Faster

Keith Whitwell has gone ahead today and merged the softpipe-opt branch of Mesa into the master Mesa branch, which will eventually work its way into Mesa 7.7. The softpipe-opt branch brings performance optimizations to the "softpipe" driver of Gallium3D. The softpipe driver is a pure software implementation of Gallium3D for use in testing and for where a hardware driver has not implemented full support. With the merging of this optimized driver, the performance should be comparable to that of the Mesa Software Rasterizer with the traditional OpenGL stack.
23 September 2009 - Comparable To Mesa Software Rasterizer - 27 Comments

A 30,000 Line Patch For Mesa Brings Geometry Shaders

Zack Rusin has been working on a lot of Linux graphics code lately from an OpenCL state tracker to other Gallium3D state trackers like X-Video / EXA. On top of this, he has just formally announced his work on bringing Geometry Shaders to Mesa.
13 September 2009 - Zack Rusin Hacks Away - 7 Comments

Work On Mesa 7.7 Is Underway

Mesa 7.6 was branched last week, which is the version of Mesa that brings an Assembly shader rewrite, Radeon driver VBO/OQ support, Gallium3D networking support, new state trackers for Gallium3D (such as OpenGL ES and OpenVG), along with many bug fixes and other features.
8 September 2009 - Linux Hackers Continue On

Gallium3D Support For Haiku Operating System

Gallium3D, the graphics driver architecture created by Tungsten Graphics designed to overhaul graphics drivers on Linux and other operating systems, has caused quite a stir lately. Gallium3D this year alone has picked up support for features like OpenGL ES, OpenCL, network debugging support, and many other prominent changes, albeit the GPU hardware drivers are still lacking. Anyhow, a developer for the HaikuOS (the project designed to resurrect the BeOS operating system), has submitted a patch that adds Haiku support to Gallium3D.
5 September 2009 - Another Gallium3D Feature - 46 Comments

Mesa 7.5.1 Brings Bug Fixes

As a follow up to the Mesa 7.5 release that occurred back in mid-July, Brian Paul has now announced the release of Mesa 7.5.1. This point release brings a number of bug fixes and minor improvements, while a plethora of new work over the past few months has been going into what shall become Mesa 7.6.
3 September 2009 - Mesa 7.6 Branching Soon - 15 Comments

X-Video, EXA Coming Atop Gallium3D

The Gallium3D driver infrastructure has been about writing a graphics processor driver that is more manageable and efficient by allowing state trackers (that provide features like OpenGL ES and OpenVG support) to be run on any driver that implements this unified API, complete with hardware acceleration. As implied by its name, Gallium3D was started with 3D graphics in mind, but this infrastructure is also working out for non-3D-specific state trackers, like supporting OpenCL. Now though, Gallium3D is picking up support for 2D acceleration (using the EXA API) and for X-Video support.
1 September 2009 - Using The Xorg State Tracker - 8 Comments

598 Mesa news articles published on Phoronix.
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