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Graphics: Work by Mike Blumenkrantz, AMD, and More on Mesa

Submitted by Roy Schestowitz on Tuesday 5th of October 2021 02:01:55 AM Filed under
Graphics/Benchmarks
  • Mike Blumenkrantz: A Brief Respite

    All the features I’ve previously blogged about have landed, and zink is once again in “release mode” until the branchpoint next week to avoid having to rush patches in at the last second. This means probably there won’t be any interesting patches at all to zink until then.

    We’re in a good spot though, and I’m pleased with the state of the driver for this release. You probably still won’t be using it to play any OpenGL games you pick up from the Winter Steam Sale, but potentially those days aren’t too far off.

    With that said, I do have to actually blog about something technical for once, so let’s roll the dice and see what it’s going to be

  • AMD Prepares Linux Driver Support For USB4 DP Tunneling - Phoronix

    The newest patch series by AMD open-source Linux graphics driver engineers worth mentioning is around USB4 DisplayPort tunneling support for next-generation AMD hardware supporting USB4 connectivity.

    The USB4 specification allows for tunneling of DisplayPort 1.4 (as well as DisplayPort 2.0 Alternate Mode, but not the focus of today's patch work) and that is what this new AMDGPU driver work is about for handling DP over USB4 connections.

  • AMD Publishes Open-Source "GPUFORT" As Newest Effort To Help Transition Away From CUDA - Phoronix

    I've just been informed by AMD that they have now made their code public to a new project called GPUFORT. This new GPUFORT project will live under the Radeon Open eCosystem (ROCm) umbrella and is their latest endeavor in helping developers with large CUDA code-bases transition away from NVIDIA's closed ecosystem.

  • Mesa 21.3 RADV Vulkan Driver Lands Ray-Tracing Support For Older AMD Radeon GPUs

    Mesa 21.3 recently landed RADV ray-tracing support for this open-source Radeon Vulkan driver with RDNA2 graphics processors. Now the software-based/emulated Vulkan ray-tracing support has been merged for handling pre-RDNA2 GPUs.

    With today's Mesa 21.3 development code is support for Vulkan ray-tracing extensions on older GCN graphics processors. This Vulkan ray-tracing support relies on emulating the support in software and thus comes at a performance penalty. The RADV ray-tracing even with RDNA2 GPUs still needs more performance optimizations and considered experimental.

»

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