From 57c54ec4b75aac8ba2a4235f88760bd8534f2c7a Mon Sep 17 00:00:00 2001
From: Dave Parks <davep@lindenlab.com>
Date: Fri, 16 Dec 2022 08:59:02 -0600
Subject: SL-18851 Fix for PBR materials sometimes not casting shadows when
 they should.

---
 .../app_settings/shaders/class1/deferred/shadowAlphaMaskF.glsl        | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'indra/newview/app_settings/shaders/class1/deferred')

diff --git a/indra/newview/app_settings/shaders/class1/deferred/shadowAlphaMaskF.glsl b/indra/newview/app_settings/shaders/class1/deferred/shadowAlphaMaskF.glsl
index 1a344045fe..06ebeb8281 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/shadowAlphaMaskF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/shadowAlphaMaskF.glsl
@@ -48,6 +48,8 @@ void main()
         discard;
     }
 
+#if !defined(GLTF)
+
 #if !defined(IS_FULLBRIGHT)
     alpha *= vertex_color.a;
 #endif
@@ -64,7 +66,7 @@ void main()
             discard;
         }
     }
-
+#endif
 
 	frag_color = vec4(1,1,1,1);
 	
-- 
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