From cc6d132e90921c7006253f6fba149d22f2cabd39 Mon Sep 17 00:00:00 2001
From: Ptolemy <ptolemy@lindenlab.com>
Date: Fri, 29 Jan 2021 14:32:37 -0800
Subject: [PATCH] SL-14732: Merge Sovereign Engineer's cloud patch: Fix writing
 outside outside of the bound fbo in forward render class2 cloud shader

---
 doc/contributions.txt                                     | 1 +
 .../app_settings/shaders/class2/windlight/cloudsF.glsl    | 8 +++-----
 2 files changed, 4 insertions(+), 5 deletions(-)

diff --git a/doc/contributions.txt b/doc/contributions.txt
index 2f506e16ae4..b5e8e912792 100755
--- a/doc/contributions.txt
+++ b/doc/contributions.txt
@@ -1357,6 +1357,7 @@ Sovereign Engineer
 	SL-14705
 	SL-14707
 	SL-14731
+	SL-14732
 SpacedOut Frye
 	VWR-34
 	VWR-45
diff --git a/indra/newview/app_settings/shaders/class2/windlight/cloudsF.glsl b/indra/newview/app_settings/shaders/class2/windlight/cloudsF.glsl
index 75bf8730df4..fa928d993ef 100644
--- a/indra/newview/app_settings/shaders/class2/windlight/cloudsF.glsl
+++ b/indra/newview/app_settings/shaders/class2/windlight/cloudsF.glsl
@@ -26,9 +26,9 @@
 /*[EXTRA_CODE_HERE]*/ 
 
 #ifdef DEFINE_GL_FRAGCOLOR
-out vec4 frag_data[3];
+out vec4 frag_color;
 #else
-#define frag_data gl_FragData
+#define frag_color gl_FragColor
 #endif
 
 /////////////////////////////////////////////////////////////////////////
@@ -126,8 +126,6 @@ void main()
     color.rgb = scaleSoftClip(color.rgb);
 
     /// Gamma correct for WL (soft clip effect).
-    frag_data[0] = vec4(color.rgb, alpha1);
-    frag_data[1] = vec4(0.0,0.0,0.0,0.0);
-    frag_data[2] = vec4(0,0,0,1);
+    frag_color = vec4(color.rgb, alpha1);
 }
 
-- 
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