Intel Graphics: Difference between revisions

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+Example configuration with Hardware Acceleration & Quick Sync Video enabled on a modern Intel Graphics (Including ARC)
+<syntaxhighlight lang="nix">
+  services.xserver.videoDrivers = [ "modesetting" ];
+  hardware.graphics = {
+    enable = true;
+    extraPackages = with pkgs; [
+      # Required for modern Intel GPUs (Xe iGPU and ARC)
+      intel-media-driver     # VA-API (iHD) userspace
+      vpl-gpu-rt             # oneVPL (QSV) runtime
+      # Optional (compute / tooling):
+      intel-compute-runtime  # OpenCL (NEO) + Level Zero for Arc/Xe
+      # NOTE: 'intel-ocl' also exists as a legacy package; not recommended for Arc/Xe.
+      # libvdpau-va-gl       # Only if you must run VDPAU-only apps
+    ];
+  };
+  environment.sessionVariables = {
+    LIBVA_DRIVER_NAME = "iHD";     # Prefer the modern iHD backend
+    # VDPAU_DRIVER = "va_gl";      # Only if using libvdpau-va-gl
+  };
+  # May help if FFmpeg/VAAPI/QSV init fails (esp. on Arc with i915):
+  hardware.enableRedistributableFirmware = true;
+  boot.kernelParams = [ "i915.enable_guc=3" ];
+  # May help services that have trouble accessing /dev/dri (e.g., jellyfin/plex):
+  # users.users.<service>.extraGroups = [ "video" "render" ];
+</syntaxhighlight>
 == Driver ==
 Refer to the [https://nixos.org/manual/nixos/stable/#sec-x11--graphics-cards-intel Intel Graphics drivers] section of the NixOS manual.