From 6ce5c25b7230955b7d601135dc7cc7500394d0b0 Mon Sep 17 00:00:00 2001
From: Josh Matthews <josh@joshmatthews.net>
Date: Wed, 9 Oct 2019 09:42:26 -0400
Subject: [PATCH] xr: Synchronize WebGL layer creation with underlying GL APIs.

---
 components/script/dom/xrwebgllayer.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/components/script/dom/xrwebgllayer.rs b/components/script/dom/xrwebgllayer.rs
index dabff8fc947..f637f4ee96e 100644
--- a/components/script/dom/xrwebgllayer.rs
+++ b/components/script/dom/xrwebgllayer.rs
@@ -192,6 +192,9 @@ impl XRWebGLLayer {
             return Err(Error::Operation);
         }
 
+        // Ensure that we finish setting up this layer before continuing.
+        context.Finish();
+
         // Step 10. "Return layer."
         Ok(XRWebGLLayer::new(
             &global.global(),