2 files changed, 11 insertions, 7 deletions
diff --git a/indra/newview/app_settings/shaders/class1/deferred/moonF.glsl b/indra/newview/app_settings/shaders/class1/deferred/moonF.glsl
index 6562b86aaf..2bfc4f3d2f 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/moonF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/moonF.glsl
@@ -28,9 +28,9 @@
 /*[EXTRA_CODE_HERE]*/
 
 #ifdef DEFINE_GL_FRAGCOLOR
-out vec4 frag_color;
+out vec4 frag_data[3];
 #else
-#define frag_color gl_FragColor
+#define frag_data gl_FragData
 #endif
 
 vec3 fullbrightAtmosTransport(vec3 light);
@@ -59,6 +59,8 @@ void main()
     // and shows true moon color at night
     vec3 luma_weights = vec3(0.1, 0.3, 0.0);
     float mix = 1.0f - dot(sunlight_color.rgb, luma_weights);
-	frag_color = vec4(c.rgb, mix * c.a);
+	frag_data[0] = vec4(c.rgb, mix * c.a);
+	frag_data[1] = vec4(0.0);
+	frag_data[2] = vec4(0.0f);
 }
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/sunDiscF.glsl b/indra/newview/app_settings/shaders/class1/deferred/sunDiscF.glsl
index d2e3be2720..bbc5049f1c 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/sunDiscF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/sunDiscF.glsl
@@ -28,9 +28,9 @@
 /*[EXTRA_CODE_HERE]*/
 
 #ifdef DEFINE_GL_FRAGCOLOR
-out vec4 frag_color;
+out vec4 frag_data[3];
 #else
-#define frag_color gl_FragColor
+#define frag_data gl_FragData
 #endif
 
 vec3 fullbrightAtmosTransport(vec3 light);
@@ -46,10 +46,12 @@ void main()
 	vec4 sunDiscA = texture2D(diffuseMap, vary_texcoord0.xy);
 	vec4 sunDiscB = texture2D(altDiffuseMap, vary_texcoord0.xy);
     vec4 c     = mix(sunDiscB, sunDiscA, blend_factor);
-
+    c.rgb = clamp(c.rgb, vec3(0), vec3(1));
 	c.rgb = pow(c.rgb, vec3(0.7f));
 	c.rgb = fullbrightAtmosTransport(c.rgb);
     c.rgb = fullbrightScaleSoftClip(c.rgb);
-	frag_color = c;
+	frag_data[0] = c;
+    frag_data[1] = vec4(0.0f);
+    frag_data[2] = vec4(0.0, 1.0, 0.0, 1.0);
 }