From 9c964a0087a5df86d826ae294fda954e43cd1ee1 Mon Sep 17 00:00:00 2001
From: "Mr.doob" <info@mrdoob.com>
Date: Mon, 26 Jul 2021 12:24:02 +0100
Subject: [PATCH] Editor: Fix equirectangular getting lost when changing
 antialias (#22186)

---
 editor/js/Viewport.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/editor/js/Viewport.js b/editor/js/Viewport.js
index 7b5a6ab3b5..acd082f453 100644
--- a/editor/js/Viewport.js
+++ b/editor/js/Viewport.js
@@ -597,7 +597,8 @@ function Viewport( editor ) {
 
 				if ( environmentEquirectangularTexture ) {
 
-					scene.environment = pmremGenerator.fromEquirectangular( environmentEquirectangularTexture ).texture;
+					environmentEquirectangularTexture.mapping = THREE.EquirectangularReflectionMapping;
+					scene.environment = environmentEquirectangularTexture;
 
 				}
 
-- 
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