From 14d49a8dbea4d322ef2654c107c98cf64b278ab6 Mon Sep 17 00:00:00 2001
From: Donovan Hutchence <dhutchence@snapchat.com>
Date: Mon, 30 May 2022 10:28:32 +0100
Subject: [PATCH 1/2] return original source if preprocessor fails

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

diff --git a/src/core/preprocessor.js b/src/core/preprocessor.js
index 02c5a68c5c4..1e49ffa482d 100644
--- a/src/core/preprocessor.js
+++ b/src/core/preprocessor.js
@@ -220,7 +220,7 @@ class Preprocessor {
 
         if (error) {
             Debug.error("Failed to preprocess shader: ", { source: originalSource });
-            return null;
+            return originalSource;
         }
 
         return source;

From cfecd67ff649d74fb346eff2e537e8e7fcfd6df5 Mon Sep 17 00:00:00 2001
From: Donovan Hutchence <dhutchence@snapchat.com>
Date: Mon, 30 May 2022 15:53:06 +0100
Subject: [PATCH 2/2] make preprocess failure always output warning

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

diff --git a/src/core/preprocessor.js b/src/core/preprocessor.js
index 1e49ffa482d..1280b6b5322 100644
--- a/src/core/preprocessor.js
+++ b/src/core/preprocessor.js
@@ -219,7 +219,7 @@ class Preprocessor {
         }
 
         if (error) {
-            Debug.error("Failed to preprocess shader: ", { source: originalSource });
+            console.warn("Failed to preprocess shader: ", { source: originalSource });
             return originalSource;
         }