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Graphics: Inline 2.0, Zink, and NVIDIA 470.86 Linux Driver Released

Submitted by Roy Schestowitz on Wednesday 10th of November 2021 11:17:07 PM Filed under
Graphics/Benchmarks
  • Mike Blumenkrantz: Inline 2.0

    In the course of working on more CI-related things for zink, I came across a series of troublesome tests (KHR-GL46.geometry_shader.rendering.rendering.triangles_*) that triggered a severe performance issue. Specifically, the LLVM optimizer spends absolute ages trying to optimize ubershaders like this one used in the tests:

  • Mesa 22.0 Zink Speeds Up OpenGL-Over-Vulkan On CPUs - Phoronix

    While there is already LLVMpipe Gallium3D for software acceleration of OpenGL on CPUs within Mesa, if wanting to increase the layers of abstraction you could also use Zink for OpenGL over Vulkan and by way of Lavapipe have that software accelerated on the CPU. With Mesa 22.0-devel, that route of Zink on CPUs is now faster.

  • NVIDIA 470.86 Linux Driver Released With VRR/G-SYNC Fix - Phoronix

    While since the end of October there has been NVIDIA 495.44 as the stable 495 series driver beta for Linux users, out today is their v470.86 release for those using that older long-term support branch.

    The NVIDIA 495 driver series is being treated as their new feature branch series with GBM API support and other additions while the NVIDIA 470 driver series continues to serve as their production branch version.

    Today's NVIDIA 470.86 driver release is a small one adding a new NVIDIA driver installer option and fixing a VRR/G-SYNC regression/. The variable refresh rate regression prevented DisplayPort and HDMI 2.1 VRR/G-SYNC compatible monitors from functioning correctly in the VRR mode. This yielded flickering and other problems but should now be cleared up with the NVIDIA 470.86 Linux driver.

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