Add Global Illumination options to PostFx Settings

Source/Editor/CustomEditors/Dedicated/PostProcessSettingsEditor.cs

@@ -110,6 +110,25 @@ namespace FlaxEditor.CustomEditors.Dedicated
         }
     }
 
+    /// <summary>
+    /// Editor for <see cref="GlobalIlluminationSettings"/> type.
+    /// </summary>
+    [CustomEditor(typeof(GlobalIlluminationSettings)), DefaultEditor]
+    sealed class GlobalIlluminationSettingsEditor : PostProcessSettingsEditor
+    {
+        /// <inheritdoc />
+        protected override int OverrideFlags
+        {
+            get => (int)((GlobalIlluminationSettings)Values[0]).OverrideFlags;
+            set
+            {
+                var settings = (GlobalIlluminationSettings)Values[0];
+                settings.OverrideFlags = (GlobalIlluminationSettingsOverride)value;
+                SetValue(settings);
+            }
+        }
+    }
+
     /// <summary>
     /// Editor for <see cref="BloomSettings"/> type.
     /// </summary>

Source/Editor/Windows/GraphicsQualityWindow.cs

@@ -72,6 +72,14 @@ namespace FlaxEditor.Windows
                 set => Graphics.GlobalSDFQuality = value;
             }
 
+            [DefaultValue(Quality.High)]
+            [EditorOrder(1290), EditorDisplay("Quality"), Tooltip("The Global Illumination quality. Controls the quality of the GI effect.")]
+            public Quality GIQuality
+            {
+                get => Graphics.GIQuality;
+                set => Graphics.GIQuality = value;
+            }
+
             [DefaultValue(Quality.Medium)]
             [EditorOrder(1300), EditorDisplay("Quality", "Shadows Quality"), Tooltip("The shadows quality.")]
             public Quality ShadowsQuality