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-rw-r--r--nixpkgs/pkgs/by-name/op/opencomposite-helper/package.nix18
1 files changed, 18 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/by-name/op/opencomposite-helper/package.nix b/nixpkgs/pkgs/by-name/op/opencomposite-helper/package.nix
new file mode 100644
index 000000000000..f19f5e868139
--- /dev/null
+++ b/nixpkgs/pkgs/by-name/op/opencomposite-helper/package.nix
@@ -0,0 +1,18 @@
+{ writeShellApplication
+
+, monado
+, opencomposite
+}:
+writeShellApplication {
+  name = "opencomposite-helper";
+  text = ''
+    # Tell Proton to use OpenComposite instead of OpenVR
+    export VR_OVERRIDE=${opencomposite}/lib/opencomposite
+    # Help OpenComposite find the OpenXR runtime
+    export XR_RUNTIME_JSON=${monado}/share/openxr/1/openxr_monado.json
+    # Tell Steam Pressure Vessel to allow access to Monado
+    export PRESSURE_VESSEL_FILESYSTEMS_RW=$XDG_RUNTIME_DIR/monado_comp_ipc
+    exec "$@"
+  '';
+}
+