1 files changed, 3 insertions, 0 deletions
diff --git a/indra/newview/app_settings/shaders/class2/windlight/atmosphericsF.glsl b/indra/newview/app_settings/shaders/class2/windlight/atmosphericsF.glsl
index 2a629f4f42..5cf3cd1dd2 100644
--- a/indra/newview/app_settings/shaders/class2/windlight/atmosphericsF.glsl
+++ b/indra/newview/app_settings/shaders/class2/windlight/atmosphericsF.glsl
@@ -42,6 +42,7 @@ uniform vec4 glow;
 uniform float scene_light_strength;
 uniform mat3 ssao_effect_mat;
 uniform int no_atmo;
+uniform float sun_up_factor;
 
 vec3 scaleSoftClipFrag(vec3 light);
 
@@ -117,6 +118,8 @@ void calcFragAtmospherics(vec3 inPositionEye, float ambFactor, out vec3 sunlit,
 
     //add "minimum anti-solar illumination"
     temp2.x += .25;
+
+    temp2.x *= sun_up_factor;
     
     //increase ambient when there are more clouds
     vec4 tmpAmbient = ambient + (vec4(1.) - ambient) * cloud_shadow * 0.5;