1 files changed, 4 insertions, 3 deletions
diff --git a/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl b/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl
index 1bc576a4ec..68a735e813 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl
@@ -194,7 +194,8 @@ void main()
 
     vec3 light_dir = (sun_up_factor == 1) ? sun_dir: moon_dir;
     float da = dot(norm.xyz, light_dir.xyz);
-
+          da = clamp(da, -1.0, 1.0);
+ 
     float final_da = da;
           final_da = clamp(final_da, 0.0f, 1.0f);
 		  final_da = pow(final_da, 1.0/1.3);
@@ -204,13 +205,13 @@ void main()
     color.rgb = amblit;
     color.a   = final_alpha;
 
-    float ambient = abs(da);
+    float ambient = da;
     ambient *= 0.5;
     ambient *= ambient;
     ambient = max(0.9, ambient); // keeps shadows dark
     ambient = 1.0 - ambient;
 
-    vec3 sun_contrib = min(final_da, shadow) * sunlit;
+    vec3 sun_contrib = mix(final_da, min(final_da, shadow), 0.1) * sunlit;
 
     color.rgb *= ambient;
     color.rgb += sun_contrib;