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Mesa News Archives

Gallium3D Clover Can Now Execute OpenCL Native Kernels

One of the Google Summer of Code projects pertaining to Mesa / X.Org is to bring-up open-source OpenCL support with the Gallium3D driver architecture. There's long been a branch of Mesa dubbed "Clover" that provides an OpenCL state tracker for the Gallium3D driver architecture, but it hasn't been usable as there's a lot of work to be finished. This GSoC project attempts to change that and there's already been a big milestone achieved.
19 June 2011 - OpenCL State Tracker - 18 Comments

GLSL IR To TGSI Translator Ready To Be Merged Into Mesa

Back in April we reported on the ambitious project by a lone, independent developer to write a GLSL IR to TGSI translator for Mesa that wouldn't involve using Mesa's crufty IR. This work would also be a stepping-stone to GLSL 1.30 support in Mesa, which is needed for OpenGL 3.0 support in this critical free software project. Today the developer is reporting that he believes this translator is ready to be merged into Mesa.
15 June 2011 - Amazing - 22 Comments

VMware Releases The XA Gallium3D State Tracker

Hurra! A new Gallium3D state tracker was just released! But it's not the state tracker for OpenCL support, VDPAU or VA-API encoding/decoding, or anything else like that, but rather it's for something new: the XA State Tracker. This state tracker provides a new means of X.Org Acceleration (hence the "XA" name) and was developed by VMware.
15 June 2011 - New X Acceleration - 5 Comments

R600 Gallium3D Driver Is Now Built By Default

Marek Olšák, the open-source community developer known for his contributions to Mesa / Gallium3D and to the Radeon driver in particular, has submitted a set of patches to the Mesa mailing list. This time around, these patches overhaul the Gallium3D configure/build-time options. These patches are meant to make it easier to configure Gallium3D with the Gallium3D EGL support and in automatically determining what state trackers to build. In addition, there is one prominent change in default behavior.
14 June 2011 - New Gallium Switches - 31 Comments

Mesa 7.10.3 Point Release Now Available

For those living in a very stable world, Mesa 7.10.3 is now for your building pleasure. Mesa 7.10.3 just incorporates bug-fixes, but none of the new work found in the six-months-in-development Mesa 7.11 code-base.
13 June 2011 - Boring Though

Mesa 7.11 Is Set To Hit In July With Many Goodies

Finally, Mesa 7.11 is set to be released in early July. Ian Romanick of Intel has laid out plans to do a Mesa 7.10.3 point release in two weeks and then to release the proper Mesa 7.11 release in 7/11 (July of 2011).
8 June 2011 - New Release - 14 Comments

The Direct3D 10/11 State Tracker Is Still Around

Last September there was the release of a Direct3D 10/11 state tracker for Gallium3D. This natively implemented Microsoft's graphics API from DirectX for the latest versions 10 and 11 with Gallium3D Linux graphics drivers. While it sounded quite enticing when the code was first released, there hasn't been much activity since that point.
2 June 2011 - Gallium3D - 35 Comments

Intel Pushes Ivy Bridge Code Into Mesa Master

After releasing open-source Ivy Bridge code last month for the Linux kernel to go in Intel's DRM (Direct Rendering Manager) driver for graphics acceleration and kernel mode-setting, Intel then landed Ivy Bridge support in their X.Org driver although that isn't too interesting with most of the exciting code these days happening in the Linux kernel or Mesa library. Yesterday, however, the final big piece of the Linux support for Ivy Bridge was pushed out there: the Mesa 3D support.
19 May 2011 - Lands For Mesa 7.11 - 1 Comment

AMD R600 Gallium3D Driver Patch For AF

Submitted to the mailing list over the weekend was a patch by Carl-Philip Haensch that implements support for Anisotropic Filtering (AF) in the ATI/AMD R600 Gallium3D driver.
9 May 2011 - Anisotropic Filtering - 16 Comments

A Mesa Branch Provides GLSL IR To TGSI Translator

What's been talked about extensively and for quite a while but not acted upon too much is ridding Mesa of Mesa IR, it's intermediate representation used internally by core Mesa and its drivers. It was also talked about as a possible summer project of replacing Mesa IR with GLSL IR. Now though an individual has begun gutting out Mesa IR and providing a direct GL Shading Language IR to TGSI (the Gallium3D IR) translator.
28 April 2011 - Interesting - 25 Comments

The Intel Mesa Driver Gets Closer To OpenGL 3.0

The open-source Mesa / Gallium3D Linux drivers not only take heat for their slow performance (in many cases, dreadfully slow) compared to the proprietary drivers, their bugs causing issues like those with KWin, and their inability to run many games/applications, but also for their very belated support in enabling support for new OpenGL extensions and versions of the GL Shading Language.
20 April 2011 - New Extensions, GLSL 1.30 - 9 Comments

The New R300 Register Allocator Is Still Being Developed

Tom Stellard, the student developer who participated in last year's Google Summer of Code to improve the R300 GLSL compiler for the open-source ATI/AMD driver, is still around and contributing to upstream Mesa. Last month he announced his new R300 register allocator being ready for wider testing. He's now announced further improvements on this GPU register allocator for Mesa.
20 April 2011 - No Merging Yet - 31 Comments

Martin Takes His Mesa Issues To The List

Over the weekend there was a rant by Martin Gräßlin, the lead developer of the KWin compositing window manager for KDE, about Intel's open-source driver breaking. This is the second time in recent times that the driver has outright failed with KDE, which threatens the Intel KWin support in Ubuntu 11.04, but this time it's over the OpenGL renderer string being changed and KWin using that to determine direct rendering support. Martin has now written a very lengthy e-mail to the developers of Mesa.
20 April 2011 - Voicing Concerns - 74 Comments

Intel Mesa Gives Problems With KDE's KWin, Again

Martin Gräßlin, the lead KDE developer of the KWin compositing window manager, usually has fairly insightful and technical blog posts. Last week he was talking about possibly moving the KDE screensaver into the KWin compositor for KDE SC 4.8 after writing the KDE view on GNOME's new compositing manager. Today he has written a new post, but this time it's about the open-source Intel Mesa driver breaking (again) for KWin.
18 April 2011 - Simple Name Change - 94 Comments

Super! Patented Mesa Floating-Point Is Merged!

Here's quite a pleasant surprise to wake up to this morning: OpenGL floating-point textures and render-targets support has finally been merged to mainline Mesa master! The drawn-out process that began more than a month ago is finally over.
15 April 2011 - Finally - 32 Comments

Mesa 7.10.2 Stable Released

For those preferring to live on the stable Mesa series, Ian Romanick just announced the release of Mesa 7.10.2. This release just incorporates various bug-fixes.
6 April 2011 - New Stable Update

VP8 Over VDPAU In Gallium3D Is Emeric's Target

For those that were excited last week by the French student proposing an H.264 VA-API/VDPAU state tracker for Gallium3D that in turn was revised to WebM or Theora acceleration support instead (since no current-generation GPUs have dedicated video decode engines for these formats), Emeric has firmed up his proposal.
29 March 2011 - The New State Tracker - 35 Comments

An Improved Register Allocator For Gallium3D R300

In recent days I have mentioned many interesting Google Summer of Code project that have been proposed for this year: WebM VDPAU state tracker, better multi-GPU support, the OpenCL state tracker, and even a Direct3D HLSL shader compiler. It will be interesting to see which of these projects actually materialize since the success rate of GSoC projects aren't incredibly high, especially if counting the ones that end up succeeding but never end up being maintained after the summer or the code is never merged. Fortunately, one of last year's GSoC Mesa projects is still being hacked on and there's more to report on it today.
29 March 2011 - Faster Shader Performance - 11 Comments

Gallium3D OpenCL May Finally Get Some Needed Love

It was in early 2009 when we heard that OpenCL and OpenGL 3.1 state trackers would be here hopefully soon for Gallium3D. Well, nearly two years later, neither state tracker has yet to emerge. There's no OpenGL 3.x state tracker in development and core Mesa only has limited support for OpenGL 3.0, while the latest Khronos specification is now at OpenGL 4.1 with OpenGL 4.2 not being far off. There has been work on an OpenCL Gallium3D state tracker for nearly two years, but it's not mainline and is far from working. That may finally change in the coming months.
27 March 2011 - Finally! - 1 Comment

WebM, Theora Acceleration Talked About For Gallium3D

Earlier this week I mentioned a student developer looking to partake in Google's Summer of Code was interested in creating an H.264 state tracker for Gallium3D whereby any graphics card with a Gallium3D driver could have H.264 video decoding support using VA-API / VDPAU and accelerating the operations in shaders on the GPU, where in theory at least it would be universally supported across all drivers on this architecture. It's still looking hopeful that this will be hacked on this summer, but a few interesting points have been expressed.
26 March 2011 - State Tracker Goodness - 10 Comments

629 Mesa news articles published on Phoronix.
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