diff --git a/Assets/Shaders/DeferredComposite_CS.glsl b/Assets/Shaders/DeferredComposite_CS.glsl
index 833180e7..5af585ba 100644
--- a/Assets/Shaders/DeferredComposite_CS.glsl
+++ b/Assets/Shaders/DeferredComposite_CS.glsl
@@ -57,25 +57,34 @@ void main()
   // normal of fragment
   vec3 normalView = imageLoad(normals, globalThread).rgb;
 
+  // light layer index
+  uint lightLayer = imageLoad (lightLayerData, globalThread).r;
+
   vec3 fragColor = vec3 (0.0f);
 
   for (int i = 0; i < lightCounts.directionalLights; ++i)
   {
-    // get normalized direction of light 
-    vec3 dLightNormalized = normalize (DirLightData.dLightData[i].direction);
+    if ((lightLayer & DirLightData.dLightData[i].cullingMask) != 0)
+    {
+      // get normalized direction of light 
+      vec3 dLightNormalized = normalize (DirLightData.dLightData[i].direction);
 
-    // Get diffuse strength
-    float diffuseStrength = max (0, dot (dLightNormalized, normalView));
+      // Get diffuse strength
+      float diffuseStrength = max (0, dot (dLightNormalized, normalView));
 
-    // Calculate the fragment color
-    fragColor += DirLightData.dLightData[i].diffuseColor.rgb * diffuseStrength.rrr * pixelDiffuse;
+      // Calculate the fragment color
+      fragColor += DirLightData.dLightData[i].diffuseColor.rgb * diffuseStrength.rrr * pixelDiffuse;
+    }
   }
 
   for (int i = 0; i < lightCounts.ambientLights; ++i)
   {
-    // Just do some add
-    //fragColor += pixelDiffuse.rgb * AmbLightData.aLightData[i].ambientColor.rgb * vec3 (0.5f);
-    fragColor += pixelDiffuse.rgb * AmbLightData.aLightData[i].ambientColor.rgb * vec3 (AmbLightData.aLightData[i].strength);
+    if ((lightLayer & AmbLightData.aLightData[i].cullingMask) != 0)
+    {
+      // Just do some add
+      //fragColor += pixelDiffuse.rgb * AmbLightData.aLightData[i].ambientColor.rgb * vec3 (0.5f);
+      fragColor += pixelDiffuse.rgb * AmbLightData.aLightData[i].ambientColor.rgb * vec3 (AmbLightData.aLightData[i].strength);
+    }
   }
 
   float ssaoVal = imageLoad (ssaoBlurredImage, globalThread).r;
diff --git a/Assets/Shaders/DeferredComposite_CS.shshaderb b/Assets/Shaders/DeferredComposite_CS.shshaderb
index 8d7a8327..6e0ff2a4 100644
Binary files a/Assets/Shaders/DeferredComposite_CS.shshaderb and b/Assets/Shaders/DeferredComposite_CS.shshaderb differ