1 files changed, 12 insertions, 7 deletions
diff --git a/indra/newview/app_settings/shaders/class1/lighting/sumLightsV.glsl b/indra/newview/app_settings/shaders/class1/lighting/sumLightsV.glsl
index 41288c21c1..0c3ea4231e 100644
--- a/indra/newview/app_settings/shaders/class1/lighting/sumLightsV.glsl
+++ b/indra/newview/app_settings/shaders/class1/lighting/sumLightsV.glsl
@@ -1,5 +1,5 @@
 /**
- * @file sumLightsV.glsl
+ * @file class1\lighting\sumLightsV.glsl
  *
  * $LicenseInfo:firstyear=2005&license=viewerlgpl$
  * Second Life Viewer Source Code
@@ -28,22 +28,27 @@ uniform vec3 light_diffuse[8];
 
 float calcDirectionalLight(vec3 n, vec3 l);
 
-vec3 atmosAmbient(vec3 light);
+vec3 atmosAmbient();
 vec3 atmosAffectDirectionalLight(float lightIntensity);
 vec3 scaleDownLight(vec3 light);
 
-vec4 sumLights(vec3 pos, vec3 norm, vec4 color, vec4 baseLight)
+vec4 sumLights(vec3 pos, vec3 norm, vec4 color)
 {
-	vec4 col;
+	vec4 col = vec4(0);
 	col.a = color.a;
 	
 	col.rgb = light_diffuse[1].rgb * calcDirectionalLight(norm, light_position[1].xyz);
 	col.rgb = scaleDownLight(col.rgb);
-	col.rgb += atmosAmbient(baseLight.rgb);
+
+#if defined(LOCAL_LIGHT_KILL)
+    col.rgb = vec3(0);
+#endif
+
+#if !defined(SUNLIGHT_KILL)
 	col.rgb += atmosAffectDirectionalLight(calcDirectionalLight(norm, light_position[0].xyz));
-	
+#endif
+
 	col.rgb = min(col.rgb*color.rgb, 1.0);
-	
 	return col;	
 }