From 534ce1365b1570bd0b8112dbc9892ea058be3ae0 Mon Sep 17 00:00:00 2001
From: Cursor Agent <cursoragent@cursor.com>
Date: Wed, 27 May 2026 15:40:10 +0000
Subject: [PATCH] Clear WebGL context-loss timeout on WebglRenderer dispose

Fixes #5919

Co-authored-by: Daniel Imms <Tyriar@users.noreply.github.com>
---
 addons/addon-webgl/src/WebglRenderer.ts | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/addons/addon-webgl/src/WebglRenderer.ts b/addons/addon-webgl/src/WebglRenderer.ts
index 500308bd1..8988d9fc8 100644
--- a/addons/addon-webgl/src/WebglRenderer.ts
+++ b/addons/addon-webgl/src/WebglRenderer.ts
@@ -158,6 +158,8 @@ export class WebglRenderer extends Disposable implements IRenderer {
     this._isAttached = this._core.screenElement!.isConnected;
 
     this._register(toDisposable(() => {
+      clearTimeout(this._contextRestorationTimeout);
+      this._contextRestorationTimeout = undefined;
       for (const l of this._renderLayers) {
         l.dispose();
       }