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FAQ.md

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Frequently asked questions

🇬🇧 - 🇨🇿 - 🇫🇷

The plugin does not start

Direct3DCreateVR is missing

Direct3DCreateVR missing

The d3d9.dll file is not from openRBRVR release. The RSF launcher sometimes gets things a bit wrong, try the following steps to resolve the issue:

  • Close RBR
  • Change the VR plugin to RBRVR and back to openRBRVR (if you have both installed).

If this does not help, try the following steps:

  • Close RBR
  • Disable VR mode in RSFLauncher and make sure the 2D fullscreen mode is set to "Normal" and not as "Vulkan".
  • Close RSFLauncher app and re-run the latest Rallysimfans_Installer.exe app and choose "Update Existing Installation" (make sure the RBRVR and openRBRVR are ticked in the list of components).

Game just crashes to desktop right away

  • Make sure Light plugin is not enabled. This plugin is not compatible with it.
  • If using openXR, please make sure your headset is supported.

Can I use OpenXR instead of OpenVR/SteamVR?

OpenXR is supported for headsets that have 32-bit OpenXR runtime available. Please refer to the following table to check if your device is supported:

Manufacturer Runtime Support Comments
Pimax Pimax-OpenXR ✅
Oculus Oculus OpenXR or VDXR ✅
Pico VDXR ✅
Reverb WMR ✅
Valve SteamVR OpenXR ⛔ No 32-bit runtime available
Varjo Varjo OpenXR ⛔ No 32-bit runtime available

Enable OpenXR runtime from Options -> Plugins -> openRBRVR -> VR runtime or edit openRBRVR.toml to contain runtime = 'openxr'.

OpenComposite error: unsupported apptype

openRBRVR has a native OpenXR implementation, so OpenComposite is not required. If you wish to run openRBRVR in OpenXR mode, try setting RichardBurnsRally_SSE.exe to SteamVR mode in OpenComposite runtime switcher, effectively disabling OpenComposite for RBR.

Alternatively, remove OpenComposite's global installation if you don't have use for it.

My FPS is worse than what it is in RBRVR

  • Make sure anti-aliasing is not too high. Generally 4x SRS is the highest you can go and most systems can't go over 2x SRS.
  • If not needed, make sure you're not running the co-driver mode (also known as the bonnet camera desktop window mode). The setting can be found from Options -> Plugins -> openRBRVR -> Desktop window settings -> Desktop window mode. Use VR view or Off for better performance.
  • If using RBRHUD, there are some cars that use two RBRHUD config files. Those tend to run pretty poorly in VR. Renaming or deleting config2.ini from Plugins/RBRHUD/Gauges/carname can increase performance by 30% while removing very little immersion from the RBRHUD gauges.

How do I reset the VR view?

  • Bind a button via Options -> Plugins -> RBR Controls -> Page 2 -> Reset VR view

How do I move the seat?

  • Enable 3-2-1 countdown pause from Controls page of RSF launcher to have time to adjust the seat before starting a stage.
  • Open RBR and go to stage.
  • Open PaceNote plugin by double clicking the RBR window with right mouse button. Adjust the seat, hit save and close the window from the X in top-right corner.

How do I enable anisotropic filtering?

RSF launcher does not show an option to change anisotropic filtering. It can be changed by modifying dxvk.conf by hand:

  • d3d9.samplerAnisotropy Use one of 0, 2, 4, 8 or 16.

The texts in RBR menus are missing

  • Increase 2D resolution to 800x600 or above.

The game is always shown on a "screen" within the VR environment

  • This is normal for menus. If this happens also when driving and you're using SteamVR mode, install SteamVR.

What graphics settings should I use?

  • Depends on the hardware. I use SteamVR at 100% scaling, anisotropic filtering at 16x with the following settings in the RSF launcher:

Example settings

There is shimmering and/or flickering of certain textures

  • This can happen without Anti-Aliasing and/or anisotropic filtering. Increase anisotropic filtering and try increasing Anti-Aliasing if your system can handle it.

How do I use per-stage anti-aliasing?

  • Per-stage anti-aliasing is best used in a way that the base anti-aliasing is set to 2x SRS or 4x SRS in the RSF launcher, and the [gfx] sections reduce the default multisampling for example disabling for BTB stages it by setting it 0. See openRBRVR.toml.sample for example.

Does openRBRVR support foveated rendering?

  • Yes, in OpenXR mode for headsets that have support for 32-bit OpenXR. You'll need to enable quad view rendering from Options -> Plugins -> openRBRVR -> OpenXR settings -> Use quad-view rendering
  • After launching the game, if you take a look at the debug view of openRBRVR (Options -> Plugins -> openRBRVR -> Debug settings -> Debug information) it should show two different resolutions, for peripheral and focus views.
  • The foveated rendering uses an open source OpenXR layer to do the heavy lifting. For additional configuration and fine tuning, refer to the Quad-Views-Foveated layer documentation