fix DPR for iframes (#4723)

google · Mar 22, 2024 · 5c23a13 · 5c23a13
1 parent 8e9fe53
commit 5c23a13
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/packages/model-viewer/src/utilities.ts b/packages/model-viewer/src/utilities.ts
@@ -164,6 +164,12 @@ export const resolveDpr: () => number = (() => {
       return true;
     }
 
+    if (window.self !== window.top) {
+      // iframes can't detect the meta viewport tag, so assume the top-level
+      // page has one.
+      return true;
+    }
+
     const metas = document.head != null ?
         Array.from(document.head.querySelectorAll('meta')) :
         [];