2 files changed, 14 insertions, 1 deletions
diff --git a/indra/newview/app_settings/shaders/class1/lighting/lightV.glsl b/indra/newview/app_settings/shaders/class1/lighting/lightV.glsl
index 38230836eb..5e39d1629d 100644
--- a/indra/newview/app_settings/shaders/class1/lighting/lightV.glsl
+++ b/indra/newview/app_settings/shaders/class1/lighting/lightV.glsl
@@ -28,11 +28,16 @@
 // All lights, no specular highlights
 vec3 atmosAmbient();
 vec4 sumLights(vec3 pos, vec3 norm, vec4 color);
+float getAmbientClamp();
 
 vec4 calcLighting(vec3 pos, vec3 norm, vec4 color)
 {
 	vec4 c = sumLights(pos, norm, color);
-    c.rgb += atmosAmbient() * color.rgb * 0.5;
+
+#if !defined(AMBIENT_KILL)
+    c.rgb += atmosAmbient() * color.rgb * 0.5 * getAmbientClamp();
+#endif
+
     return c;
 }
 
diff --git a/indra/newview/app_settings/shaders/class1/lighting/sumLightsV.glsl b/indra/newview/app_settings/shaders/class1/lighting/sumLightsV.glsl
index 761ac29ee2..0c3ea4231e 100644
--- a/indra/newview/app_settings/shaders/class1/lighting/sumLightsV.glsl
+++ b/indra/newview/app_settings/shaders/class1/lighting/sumLightsV.glsl
@@ -39,7 +39,15 @@ vec4 sumLights(vec3 pos, vec3 norm, vec4 color)
 	
 	col.rgb = light_diffuse[1].rgb * calcDirectionalLight(norm, light_position[1].xyz);
 	col.rgb = scaleDownLight(col.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;	
 }