[HDRP] Fix APV UI loosing focus when changing a param

com.unity.render-pipelines.core/Editor/Lighting/ProbeVolume/ProbeVolumeUI.Drawer.cs

@@ -139,7 +139,8 @@ static void Drawer_VolumeContent(SerializedProbeVolume serialized, Editor owner)
             EditorGUI.BeginChangeCheck();
             if ((serialized.serializedObject.targetObject as ProbeVolume).mightNeedRebaking)
             {
-                EditorGUILayout.HelpBox("The probe volume has changed since last baking or the data was never baked.\nPlease bake lighting in the lighting panel to update the lighting data.", MessageType.Warning, wide: true);
+                var helpBoxRect = GUILayoutUtility.GetRect(new GUIContent(Styles.s_ProbeVolumeChangedMessage, EditorGUIUtility.IconContent("Warning@2x").image), EditorStyles.helpBox);
+                EditorGUI.HelpBox(helpBoxRect, Styles.s_ProbeVolumeChangedMessage, MessageType.Warning);
             }
 
             EditorGUILayout.PropertyField(serialized.globalVolume, Styles.s_GlobalVolume);

com.unity.render-pipelines.core/Editor/Lighting/ProbeVolume/ProbeVolumeUI.Skin.cs

@@ -11,6 +11,7 @@ internal static class Styles
             internal static readonly GUIContent s_MinMaxSubdivSlider = new GUIContent("Subdivision Controller", "Control how much the probe baking system will subdivide in this volume.\nBoth min and max values are used to compute the allowed subdivision levels inside this volume. e.g. a Min subdivision of 2 will ensure that there is at least 2 levels of subdivision everywhere in the volume.");
             internal static readonly GUIContent s_ObjectLayerMask = new GUIContent("Object Layer Mask", "Control which layers will be used to select the meshes for the probe placement algorithm.");
             internal static readonly GUIContent s_GeometryDistanceOffset = new GUIContent("Geometry Distance Offset", "Affects the minimum distance at which the subdivision system will place probes near the geometry.");
+            internal static readonly string s_ProbeVolumeChangedMessage = "The probe volume has changed since last baking or the data was never baked.\nPlease bake lighting in the lighting panel to update the lighting data.";
 
             internal static readonly Color k_GizmoColorBase = new Color32(137, 222, 144, 255);
 

com.unity.render-pipelines.high-definition/CHANGELOG.md

@@ -305,6 +305,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 - Fixed warning "Releasing render texture that is set to be RenderTexture.active!" on pipeline disposal / hdrp live editing.
 - Fixed a null ref exception when adding a new environment to the Look Dev library.
 - Fixed a nullref in volume system after deleting a volume object (case 1348374).
+- Fixed the APV UI loosing focus when the helpbox about baking appears in the probe volume.
 
 ### Changed
 - Changed Window/Render Pipeline/HD Render Pipeline Wizard to Window/Rendering/HDRP Wizard