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Graphics: Crocus, NVIDIA, Intel, and Mesa

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  • Crocus: Working On Gallium3D For Old Intel Graphics

    Raised during the recent discussion over looking at removing Mesa's classic drivers from the mainline tree this year is that there still exists an effort trying to create an Intel Gallium3D driver for older pre-Broadwell graphics currently only served by the i965 classic driver. That Crocus effort continues to be worked on but isn't yet mainline.

    Crocus is the in-development Gallium3D driver focused on Intel Gen4 (i965 chipset) graphics through Gen7/Gen7.5 graphics with Haswell. Intel's modern Iris Gallium3D driver is what provides the OpenGL support for Gen8 Broadwell graphics and newer.

  • NVIDIA's Open-Source DALI Reaches Version 1.0

    Announced nearly three years ago by NVIDIA as one of their open-source projects was the DALI library for GPU-accelerated data augmentation and image loading. The DALI library today reached the v1.0.0 milestone.

    NVIDIA DALI is summed up as a data loading library with a focus on data loading and pre-processing for deep learning software. DALI provides various building blocks particularly around image, video, and audio processing. Of course, the GPU-accelerated library is optimized for NVIDIA's software/hardware architecture. DALI allows more of the data loading and pre-processing traditionally managed by the CPU to instead be handled by the GPU in a more efficient manner.

  • Intel's VA-API Library LibVA 2.11 Released With Support For Protected Content

    Intel's VA-API library (libVA) is out with a new end-of-quarter release for this open-source Linux video acceleration interface.

    The libVA 2.11 release introduces the LibVA Protected Content API, brings Wayland-related fixes, documentation updates, continuous integration (CI) updates, and other smaller refinements for this Video Acceleration API library.

  • mesa 21.0.1
    Hi List,
    The first regular stable release of the 21.0 series, 21.0.1 is now
    available. This is two weeks of hard work from all of the developers,
    and should now be stable enough to replace 20.3.x in daily usage.
    There's a bunch of CI related patches in this release, but otherwise
    it's a bit of everything, with no one part dominating.
  • Mesa 21.0.1 Released, 20.3.5 Issued To Close Out The Older Series

    For those that tend to wait until at least the first point release before moving to a new Mesa feature release, Mesa 21.0.1 is out today while Mesa 20.3.5 was also released as the last of that Q4'2020 driver series.

    Mesa 21.0 released two weeks ago while now 21.0.1 is out with all the early fixes to that quite big feature update for OpenGL and Vulkan drivers.

Super Resolution Video Enhancing with AMD GPU

  • Super Resolution Video Enhancing with AMD GPU

    I’ve had a somewhat recent AMD Radeon RX 560 graphics card in my Mini-ITX PC for over a year already, and one long term interest I have would be to be able to enhance old videos. Thanks to Hackweek I could look at this as one of the things that I’ve waited to have time for. In recent years there have been approaches to use eg neural networks to do super resolution handling of photos and also videos, so that there would be more actual details and shapes than what would be possible via normal image manipulation. The only feasible way of doing those is by using GPUs, but unfortunately the way those are utilized is a bit of a mess, most of all because proprietary one vendor only CUDA is the most used one.

    On the open source side, there is OpenCL in Mesa by default and Vulkan Compute, and there’s AMD’s separate open source ROCm that offers a very big platform for computing but also among else OpenCL 2.x support and a source level CUDA to portable code (including AMD support) translator called HIP. I won’t go into HIP, but I’m happy there’s at least the idea of portable code being thrown around. OpenCL standardization has been failing a bit, with the newest 3.0 trying to fix why the industry didn’t adopt 2.x properly and OpenCL 1.2 being the actual (but a bit lacking) baseline. I think the same happened a bit with OpenGL 1.x -> 2.x -> 3.x a long time ago by the way… Regardless if the portable code is OpenCL or Vulkan Compute, the open standards are now making good progress forward.

    I first looked at ROCm’s SLE15SP2 installation guide - interestingly, it also installed on Tumbleweed if ignoring one dependency problem of openmp-extras. However, on my Tumbleweed machine I do not have Radeon so this was just install test. I was however surprised that even the kernel module compiled against TW’s 5.11 kernel - and if it would have not, there’s the possibility of using upstream kernel’s module instead.

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