1 files changed, 9 insertions, 0 deletions
diff --git a/components/script/dom/webidls/XRSubImage.webidl b/components/script/dom/webidls/XRSubImage.webidl
new file mode 100644
index 00000000000..c96067fab17
--- /dev/null
+++ b/components/script/dom/webidls/XRSubImage.webidl
@@ -0,0 +1,9 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
+
+// https://immersive-web.github.io/layers/#xrsubimagetype
+[SecureContext, Exposed=Window, Pref="dom.webxr.layers.enabled"]
+interface XRSubImage {
+  [SameObject] readonly attribute XRViewport viewport;
+};