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Linux Graphics Work by Intel and AMD

Submitted by Roy Schestowitz on Wednesday 23rd of January 2019 08:57:54 PM Filed under
Graphics/Benchmarks
  • Intel Lands Transform Feedback Support In Their Vulkan Driver For Mesa 19.0

    Ahead of the Mesa 19.0 feature freeze coming up at month's end for this next quarterly feature release, Intel's open-source developers today merged support for the VK_EXT_transform_feedback extension that is important for Linux gamers with DXVK for mapping Direct3D 11 atop Vulkan and similar graphics API translation libraries.

    VK_EXT_transform_feedback was added to the Vulkan spec a few months back for transform feedback support in Vulkan drivers for helping efforts like DXVK for running Direct3D 10/11 and other APIs on top of Vulkan. The VK_EXT_transform_feedback is needed for efficiently implementing Direct3D Stream-Out support and has been used by DXVK since then, VKD3D is also now using it now, and obviously for OpenGL-over-Vulkan efforts it could be used for providing GL transform feedback itself.

  • Intel Is Working On A Vulkan Overlay Layer, Inspired By Gallium3D HUD

    Aside from some out-of-tree experiments last year by one of Valve's developers on a RADV Vulkan HUD of similar nature to the popular Gallium HUD option, it turns out an Intel developer has recently been working on a Vulkan overlay layer to provide "Gallium HUD" inspired information.

    Lionel Landwerlin is the open-source Intel developer that has begun working on this Intel Vulkan driver "heads-up display" implemented as a Vulkan overlay layer. The code is intended to provide Vulkan swapchain information and various statistics of use to Vulkan driver developers and game developers.

  • AMD Radeon VII Will Have Excellent Linux Support From Day 1

    AMD Radeon VII was one of the biggest announcements made at the CES 2019; it even got featured in our top highlights of CES video. This 2nd-gen Vega graphics card will be launching in early February and it’s also generating lots of questions.

    One such doubt that many open source enthusiasts might be having is regarding the state of Linux support for Radeon VII. Well, the answer to this question is a big yes, according to Forbes.

  • Libdrm 2.4.97 Released With AMDGPU Updates, Other Minor Work

    Libdrm 2.4.97 was released today by AMD's Marek Olšák as the newest version of this Mesa DRM library. The main feature of this list is a newer, faster buffer object list API for the AMDGPU code.

    Libdrm releases these days tend not to be too exciting and for v2.4.97 are just over a dozen changes. Many of the changes are AMDGPU related and include some test updates and updating the list of GPU marketing names but most notably is a faster buffer object (BO) list API. Aside from the AMDGPU additions, there is a fix for Android to avoid 32-bit apps from crashing in 64-bit Android, build system fixes, and other minor changes.

  • AMDGPU DC Code Improvements Bring Better Page-Flipping

    The once notorious AMDGPU "DC" code (formerly known as DAL) saw a fresh round of patches on Tuesday further improving this display stack shared between the Windows and Linux drivers for advanced functionality from FreeSync to HDMI/DP audio and much more.

    With this latest round of AMDGPU DC patches, improving the page-flipping process was a motivation. This new work resulted in the introduction of a DC VM interface to allow virtual memory to be used for flipping to surfaces that are not contiguously allocated. This DC VM interface will allow for better memory efficiency and security.

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