2 files changed, 18 insertions, 1 deletions
diff --git a/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl b/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl
index 127c1709b8..13c6ffc607 100755
--- a/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl
@@ -83,6 +83,8 @@ uniform vec3 light_direction[8];
 uniform vec3 light_attenuation[8]; 
 uniform vec3 light_diffuse[8];
 
+uniform vec3 sun_dir;
+
 vec3 calcDirectionalLight(vec3 n, vec3 l)
 {
         float a = max(dot(n,l),0.0);
@@ -190,6 +192,13 @@ void main()
 	// Add windlight lights
 	col.rgb = atmosAmbient(col.rgb);
 	
+	float ambient = min(abs(dot(norm.xyz, sun_dir.xyz)), 1.0);
+	ambient *= 0.5;
+	ambient *= ambient;
+	ambient = (1.0-ambient);
+
+	col.rgb *= ambient;
+
 	vary_directional.rgb = atmosAffectDirectionalLight(1.0f);
 	vary_ambient = col.rgb*dff;
 	
diff --git a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
index 10a598a85c..ee6aaddb00 100755
--- a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
@@ -296,7 +296,7 @@ void main()
 	float da = max(dot(norm.xyz, sun_dir.xyz), 0.0);
 
 	vec4 diffuse = texture2DRect(diffuseRect, tc);
-
+	
 	vec3 col;
 	float bloom = 0.0;
 
@@ -310,6 +310,14 @@ void main()
 		calcAtmospherics(pos.xyz, ambocc);
 	
 		col = atmosAmbient(vec3(0));
+
+		float ambient = min(abs(dot(norm.xyz, sun_dir.xyz)), 1.0);
+		ambient *= 0.5;
+		ambient *= ambient;
+		ambient = (1.0-ambient);
+
+		col *= ambient;
+
 		col += atmosAffectDirectionalLight(max(min(da, scol) * 2.6, diffuse.a));
 	
 		col *= diffuse.rgb;