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Asi varjo-xr-4

Varjo XR-4 Series device profile for reality tech. Covers Varjo Base, OpenXR/OpenVR runtime setup, tracking options (inside-out vs SteamVR), and wide-gamut display notes.

install
source · Clone the upstream repo
git clone https://github.com/plurigrid/asi
Claude Code · Install into ~/.claude/skills/
T=$(mktemp -d) && git clone --depth=1 https://github.com/plurigrid/asi "$T" && mkdir -p ~/.claude/skills && cp -r "$T/skills/varjo-xr-4" ~/.claude/skills/plurigrid-asi-varjo-xr-4 && rm -rf "$T"
manifest: skills/varjo-xr-4/SKILL.md
source content

Varjo XR-4 Series (Device Profile)

Use when the user targets Varjo XR-4 / XR-4 Focal Edition / XR-4 Secure Edition.

What Matters Most

  • Wide-gamut mini-LED displays (98% sRGB / 96% DCI-P3) and high PPD (up to 51)
  • Windows + Varjo Base is the control plane
  • OpenXR is the default modern API target; OpenVR is still relevant for SteamVR apps
  • Tracking mode choice changes your deployment: inside-out vs base-station (SteamVR)

Setup + Runtime

  • Install Varjo Base.
  • If prompted, enable OpenXR and OpenVR runtimes (needed for OpenXR apps and SteamVR/OpenVR apps).

Tracking Options

  • Inside-out tracking (no base stations)
  • SteamVR Tracking on base station tracking variants (base stations + optional controllers/trackers)
  • Third-party tracking (ART/OptiTrack) via API integrations

Refresh Rate (Practical)

  • Typical options are 75 Hz or 90 Hz (configured in Varjo Base).
  • 90 Hz is the safer default for VR comfort if you can hit frame rate; 75 Hz can reduce GPU load.

Color / Rendering Notes

  • XR-4 has high DCI-P3 coverage; for color-critical work, validate your look in-headset.
  • Treat wide-gamut as a display capability, not a guarantee of correct color: calibration, tone mapping, and content decisions still matter.

Good “First Questions” For XR-4 Work

Ask up to 3 (only if needed):

  1. Are we targeting OpenXR (recommended) or SteamVR/OpenVR legacy content?
  2. Which tracking variant do you have: inside-out only or XR-4 base station tracking?
  3. What’s the priority: max fidelity (PPD) or stable frame time (comfort)?

Interleave With

  • steamvr-tracking
    for base station specs/placement and pairing
  • xr-color-management
    for wide-gamut pipeline and debugging