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Sober vs VKD3D

Both stand on game compatibility layers. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

Sober

Free plan Linux

Sober offers Linux desktop users an unofficial way to run Roblox, with configurable graphics and input options. Its experimental status, hardware requirements, and single-instance limit are important considerations.

Visit Sober

VKD3D

Free plan LinuxMacWindows

Choose VKD3D if you need libraries and tools for porting Direct3D applications or translating shaders across supported formats. Look elsewhere or add another library if your application needs DXGI windowing, swapchains, or adapter enumeration supplied by VKD3D itself.

Visit VKD3D

The facts

SoberVKD3D
Free planYesYes
Open sourceNot publishedNot published
Runs onLinuxLinux, Mac, Windows
Lowest paid planFree or on requestNot published
Plans published1None
MakerNot publishedNot published
Websitesober.vinegarhq.orggitlab.winehq.org
On game compatibility layers#17 of 27#21 of 27

Sober: what it does well

  • Free Flatpak distribution through Flathub
  • Supports Vulkan and configurable OpenGL
  • Offers gamepad and touchscreen options
  • Ads and telemetry disabled by default, per Flathub

What to know first

  • Experimental software may have bugs or instability
  • Cannot run multiple Roblox instances
  • Closed source
  • Requires Linux kernel 5.11 or newer and specific graphics support

VKD3D: what it does well

  • Free and open source under LGPL version 2.1 or later.
  • Implements low-level Direct3D 12 on Vulkan.
  • Translates among HLSL, DXIL, DXBC, SPIR-V, and Direct3D formats.
  • Includes HLSL compilation and DXBC inspection utilities.
  • Provides familiar Direct3D entry points including D3D12CreateDevice() and D3DCompile().

What to know first

  • Does not implement DXGI interfaces for adapter enumeration, swapchains, or windowing.
  • GLSL and Metal Shading Language output are works in progress.
  • Building requires several headers and tools, including Perl and libjson-perl.

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