From a471ddd0be09a7bd6815c09a98fc7acd87feac58 Mon Sep 17 00:00:00 2001
From: Ptolemy <ptolemy@lindenlab.com>
Date: Fri, 10 Jan 2020 17:26:54 -0800
Subject: [PATCH] SL-12171: Fix for SL-12006 that made non-emissive portions of
 textures too dim.

---
 .../newview/app_settings/shaders/class1/deferred/materialF.glsl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl b/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl
index f4e041eb5c7..8ed5713e227 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl
@@ -272,7 +272,7 @@ void main()
 
 #if (DIFFUSE_ALPHA_MODE == DIFFUSE_ALPHA_MODE_EMISSIVE)
     final_color.a = diffuse_linear.a;
-    final_color.rgb *= 0.5;
+    final_color.rgb = mix( diffuse_linear.rgb, final_color.rgb*0.5, diffuse_tap.a ); // SL-12171: Fix emissive texture portion being twice as bright.
 #endif
 
     final_color.a = max(final_color.a, emissive_brightness);
-- 
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