Fixed polarity of disables. Currently updates UI to updated XR enabled

value only in Play mode.

com.unity.render-pipelines.core/CoreRP/XR/XRGConfig.cs

             XRSettings.showDeviceView = showDeviceView;
             XRSettings.gameViewRenderMode = gameViewRenderMode;
         }
+        public void SetViewportScale(float viewportScale)
+        { // If XR is enabled, sets XRSettings from our saved config
+            if (!Enabled)
+                return;
+            XRSettings.renderViewportScale = viewportScale;
+        }
 
         public float renderScale;
         public float viewportScale;
         private float k_MaxRenderScale = 4.0f;
         internal class Styles
         {
-            public static GUIContent XRSettingsLabel = new GUIContent("XR Settings");
+            public static GUIContent XRSettingsLabel = new GUIContent("XR Config", "Enable XR in Player Settings. Then SetConfig can be used to set this configuration to XRSettings.");
             public static GUIContent XREnabledLabel = new GUIContent("Enable XR", "Enables stereo rendering");
             public static GUIContent renderScaleLabel = new GUIContent("Render Scale", "Scales (and reallocates) the camera render target allowing the game to render at a resolution different than native resolution. UI is always rendered at native resolution.");
             public static GUIContent viewportScaleLabel = new GUIContent("Viewport Scale", "Scales the section of the render target being rendered. Use for dynamic resolution adjustments.");
         // Draw the property inside the given rect
         public override void OnGUI(Rect position, SerializedProperty property, GUIContent label)
         {
-            if (XRGConfig.Enabled)
-            {
-                var m_RenderScale = property.FindPropertyRelative("renderScale");
-                var m_ViewportScale = property.FindPropertyRelative("viewportScale");
-                var m_ShowDeviceView = property.FindPropertyRelative("showDeviceView");
-                var m_GameViewRenderMode = property.FindPropertyRelative("gameViewRenderMode");
-                var m_UseOcclusionMesh = property.FindPropertyRelative("useOcclusionMesh");
-                var m_OcclusionMaskScale = property.FindPropertyRelative("occlusionMaskScale");
+            var m_RenderScale = property.FindPropertyRelative("renderScale");
+            var m_ViewportScale = property.FindPropertyRelative("viewportScale");
+            var m_ShowDeviceView = property.FindPropertyRelative("showDeviceView");
+            var m_GameViewRenderMode = property.FindPropertyRelative("gameViewRenderMode");
+            var m_UseOcclusionMesh = property.FindPropertyRelative("useOcclusionMesh");
+            var m_OcclusionMaskScale = property.FindPropertyRelative("occlusionMaskScale");
-                EditorGUILayout.LabelField(Styles.XRSettingsLabel, EditorStyles.boldLabel);
-                EditorGUI.indentLevel++;
-                m_RenderScale.floatValue = EditorGUILayout.Slider(Styles.renderScaleLabel, m_RenderScale.floatValue, k_MinRenderScale, k_MaxRenderScale);
-                m_ViewportScale.floatValue = EditorGUILayout.Slider(Styles.viewportScaleLabel, m_ViewportScale.floatValue, k_MinRenderScale, k_MaxRenderScale);
-                EditorGUILayout.PropertyField(m_UseOcclusionMesh, Styles.useOcclusionMeshLabel);
-                EditorGUILayout.PropertyField(m_OcclusionMaskScale, Styles.occlusionScaleLabel);
-                EditorGUILayout.PropertyField(m_ShowDeviceView, Styles.showDeviceViewLabel);
-                EditorGUILayout.PropertyField(m_GameViewRenderMode, Styles.gameViewRenderModeLabel);
-                EditorGUI.indentLevel--;
-                EditorGUILayout.Space();
-            }
+            EditorGUI.BeginDisabledGroup(!XRGConfig.Enabled);
+            EditorGUILayout.LabelField(Styles.XRSettingsLabel, EditorStyles.boldLabel);
+            EditorGUI.indentLevel++;
+            m_RenderScale.floatValue = EditorGUILayout.Slider(Styles.renderScaleLabel, m_RenderScale.floatValue, k_MinRenderScale, k_MaxRenderScale);
+            m_ViewportScale.floatValue = EditorGUILayout.Slider(Styles.viewportScaleLabel, m_ViewportScale.floatValue, k_MinRenderScale, k_MaxRenderScale);
+            EditorGUILayout.PropertyField(m_UseOcclusionMesh, Styles.useOcclusionMeshLabel);
+            EditorGUILayout.PropertyField(m_OcclusionMaskScale, Styles.occlusionScaleLabel);
+            EditorGUILayout.PropertyField(m_ShowDeviceView, Styles.showDeviceViewLabel);
+            EditorGUILayout.PropertyField(m_GameViewRenderMode, Styles.gameViewRenderModeLabel);
+            EditorGUI.indentLevel--;
+            EditorGUILayout.Space();
+            EditorGUI.EndDisabledGroup();
         }
     }
 }

com.unity.render-pipelines.lightweight/LWRP/Editor/LightweightPipelineAssetEditor.cs

             public static GUIContent localShadowLabel = new GUIContent("Local Shadows");
             public static GUIContent capabilitiesLabel = new GUIContent("Capabilities");
 
-            public static GUIContent renderScaleLabel = new GUIContent("Target Scale", "Scales the camera render target allowing the game to render at a resolution different than native resolution. UI is always rendered at native resolution. When in VR mode, uses value set in XRGraphicsConfig instead.");
+            public static GUIContent renderScaleLabel = new GUIContent("Render Scale", "Scales the camera render target allowing the game to render at a resolution different than native resolution. UI is always rendered at native resolution. When in VR mode, uses value set in XRGraphicsConfig instead.");
 
             public static GUIContent maxPixelLightsLabel = new GUIContent("Pixel Lights",
                     "Controls the amount of pixel lights that run in fragment light loop. Lights are sorted and culled per-object.");
 
         AnimBool m_ShowSoftParticles = new AnimBool();
         AnimBool m_ShowOpaqueTextureScale = new AnimBool();
-        AnimBool m_ShowXREnabled = new AnimBool();
 
         int k_MaxSupportedPixelLights = 8;
         float k_MinRenderScale = 0.1f;
         {
             EditorGUILayout.LabelField(Styles.generalSettingsLabel, EditorStyles.boldLabel);
             EditorGUI.indentLevel++;
-            EditorGUI.BeginDisabledGroup(!XRGConfig.Enabled);
+            EditorGUI.BeginDisabledGroup(XRGConfig.Enabled);
             m_RenderScale.floatValue = EditorGUILayout.Slider(Styles.renderScaleLabel, m_RenderScale.floatValue, k_MinRenderScale, k_MaxRenderScale);
             EditorGUI.EndDisabledGroup();
             m_MaxPixelLights.intValue = EditorGUILayout.IntSlider(Styles.maxPixelLightsLabel, m_MaxPixelLights.intValue, 0, k_MaxSupportedPixelLights);