Support Firefox Reality on Hololens 2

Author: De-Panther

Assets/WebGLTemplates/WebXR/webxr.js

@@ -451,6 +451,15 @@
       initWebXRManager();
     }
   }
+  
+  // A workaround to make it work under Firefox Reality that does not implement isContextLost()
+  // Thanks Rufus31415
+  // https://github.com/Rufus31415/Simple-WebXR-Unity/blob/28331fc890e316e13401618a8e0da1e84bad7a39/Assets/SimpleWebXR.jspre#L6
+  if(!WebGLRenderingContext.prototype.isContextLost) {
+    WebGLRenderingContext.prototype.isContextLost = function() {
+      return false;
+    }
+  }
 
   init();
 })();

Assets/WebGLTemplates/WebXRFullView/webxr.js

@@ -451,6 +451,15 @@
       initWebXRManager();
     }
   }
+  
+  // A workaround to make it work under Firefox Reality that does not implement isContextLost()
+  // Thanks Rufus31415
+  // https://github.com/Rufus31415/Simple-WebXR-Unity/blob/28331fc890e316e13401618a8e0da1e84bad7a39/Assets/SimpleWebXR.jspre#L6
+  if(!WebGLRenderingContext.prototype.isContextLost) {
+    WebGLRenderingContext.prototype.isContextLost = function() {
+      return false;
+    }
+  }
 
   init();
 })();

Build/webxr.js

@@ -451,6 +451,15 @@
       initWebXRManager();
     }
   }
+  
+  // A workaround to make it work under Firefox Reality that does not implement isContextLost()
+  // Thanks Rufus31415
+  // https://github.com/Rufus31415/Simple-WebXR-Unity/blob/28331fc890e316e13401618a8e0da1e84bad7a39/Assets/SimpleWebXR.jspre#L6
+  if(!WebGLRenderingContext.prototype.isContextLost) {
+    WebGLRenderingContext.prototype.isContextLost = function() {
+      return false;
+    }
+  }
 
   init();
 })();