Mesa News Archives
Shader Optimization Back-End Might Go In For R600g

For many months there has been a "shader optimization" branch of Mesa/R600g that sought to rather noticeably boost the performance of the AMD R600 Gallium3D driver. While this work by Vadim Girlin didn't look like it would be merged, after being revived and cleaned-up, it might reach mainline Mesa/Gallium3D as a new performance-boosting option.

19 April 2013 - Vadim - 15 Comments
Modern Intel Gallium3D Driver Proposed For Mainline

Early this morning I delivered benchmarks of the new Intel Gallium3D driver developed by a LunarG employee. Coincidentally, hours later, the developer has proposed merging this Gallium3D graphics driver for Sandy Bridge and Ivy Bridge hardware into mainline Mesa.

16 April 2013 - i965g-next - 8 Comments
Early Mesa 9.2 Benchmarks With Nouveau

While the release of Mesa 9.2/10.0 is still a ways away, for those users of the Nouveau reverse-engineered open-source NVIDIA graphics driver, here are some early benchmarks for reference compared to the stable Mesa 9.0 and 9.1 series.

10 April 2013 - Nouveau - 20 Comments
Another OpenGL 4 Feature For Mesa Is Published

Earlier this morning I wrote about Chris Forbes committing texture storage multi-sample support to mainline Mesa and the Intel DRI driver. This OpenGL 4.x extension is now accompanied by a new "RFC" patch-set for providing Mesa support for another GL4 feature.

31 March 2013 - RFC Patches - 1 Comment
Geometry Shaders For Gallium3D LLVM

Geometry shaders are one of the few remaining features to be implemented before Mesa can officially declare itself in compliance with the OpenGL 3.2 specification. Fortunately, work on the Gallium3D side is ongoing.

26 March 2013 - LLVM Geometry Shaders - 1 Comment
Intel Mesa Gets Another OpenGL 4.2 Feature

Chris Forbes has introduced support for Mesa and specifically Intel's DRI driver to support ARB_texture_storage_multisample, a feature that's been apart of core OpenGL since version 4.2.

16 March 2013 - ARB_texture_storage_multisample - 2 Comments
Gallium3D's Direct3D 10/11 State Tracker To Be Nuked

The Direct3D state tracker for Gallium3D that for a short time provided hope of a native Direct3D implementation for Linux of the Microsoft Direct3D 10/11 APIs without simply being a translator layer to OpenGL, is set to be nuked from mainline Mesa.

11 March 2013 - Direct3D - 21 Comments
Canonical Announces Mir Back-End For Mainline Mesa

A day after announcing the Mir display server as their custom replacement for X.Org/Wayland within the Ubuntu world, Canonical is now pushing for the Mesa back-end that was developed behind closed doors over the past half-year to be integrated into mainline Mesa.

5 March 2013 - Mesa Back-End - 88 Comments
Gallium3D LLVMpipe Now Supports GLSL 1.40

The Gallium3D LLVMpipe driver has gone from supporting GLSL 1.20 to now handling not only GLSL 1.30 but also GLSL 1.40. Version 1.40 of the GL Shading Language is needed for OpenGL 3.1 compliance.

2 March 2013 - GLSL 1.40 - 7 Comments
Gallium3D LLVMpipe Driver Shows Progress

With talking recently about LLVMpipe driver improvements and having not benchmarked this Gallium3D software driver in a while, here are new benchmarks of this LLVM-based software fallback driver when using Mesa 9.1-devel Git in conjunction with LLVM 3.3 SVN code, for the very latest look at the OpenGL software acceleration possibilities.

28 February 2013 - LLVMpipe - 7 Comments
Intel Ironlake OpenGL Performance On Mesa 9.1

Last weekend there was a fair amount of chatter about Intel not planning to bring some OpenGL 3.0 functionality to Ironlake. The hardware supports some of GL3, but the Intel developers are more concerned about newer generations of Intel graphics hardware plus other driver features. How though is the Intel Ironlake (Clarkdale/Arrandale) performance with Mesa 9.1? Here's some benchmarks.

26 February 2013 - Results - Add A Comment
Freedreno Gallium3D Is Close To Merging In Mesa

Rob Clark has sent out a revised Freedreno Gallium3D driver that he's hoping to be merged into the mainline Mesa repository. This provides an open-source user-space driver for the Qualcomm Adreno A220 graphics hardware.

26 February 2013 - Freedreno - 6 Comments
LLVMpipe Picks Up Support For New GL Extensions

While LLVMpipe is now commonly used as the default software fallback on the Linux desktop in cases where there is no OpenGL hardware driver available, it remains limited to OpenGL 2.1 compliance and doesn't see too much love by developers. Fortunately, VMware developers continue to take some care of this driver and today there's now support for two new OpenGL extensions pertaining to texture buffers.

25 February 2013 - LLVMpipe - 1 Comment
Finding Out The OpenGL Core Profile Version

With this morning's release of mesa-demos 8.1, which provides updates to the commonly used glxinfo command, it's now easy to find out the version of the OpenGL Core Profile supported by your graphics driver/hardware.

24 February 2013 - Mesa-Demos - 3 Comments

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