From 37ce7cc25671ac1f531793b4bc7e56ee594846d3 Mon Sep 17 00:00:00 2001
From: Tom <tmpearce@gmail.com>
Date: Tue, 16 Jul 2024 14:07:27 -0400
Subject: [PATCH] add check for missing webgl context in
 WebGLDrawer.isSupported()

---
 src/webgldrawer.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/webgldrawer.js b/src/webgldrawer.js
index a8167b00..ed1f30ab 100644
--- a/src/webgldrawer.js
+++ b/src/webgldrawer.js
@@ -195,7 +195,7 @@
             let canvasElement = document.createElement( 'canvas' );
             let webglContext = $.isFunction( canvasElement.getContext ) &&
                         canvasElement.getContext( 'webgl' );
-            let ext = webglContext.getExtension('WEBGL_lose_context');
+            let ext = webglContext && webglContext.getExtension('WEBGL_lose_context');
             if(ext){
                 ext.loseContext();
             }