XR: Add object extras, object types visibility session options

This allows object extras such as image-empties to be shown in the VR
viewport/headset display. Being able to see reference images in VR can
be useful for architectural walkthroughs and 3D modeling applications.

Since users may not want to see all object extras (lights, cameras,
etc.), per-object-type visibility settings are also added as session
options.

By slightly refactoring the definition of the 3D View object types
visibility panel (note: no functional changes), the VR Scene Inspection
add-on can show a similar panel without duplicating code. When VR
selection is possible in the future, the object type select options can
also be enabled.

Reviewed By: Severin

Differential Revision: https://developer.blender.org/D14220

1 files changed, 16 insertions, 9 deletions

diff --git a/release/scripts/startup/bl_ui/space_view3d.py b/release/scripts/startup/bl_ui/space_view3d.py
index 9aebb4427d2..4f1d001b2f3 100644
--- a/release/scripts/startup/bl_ui/space_view3d.py
+++ b/release/scripts/startup/bl_ui/space_view3d.py
@@ -5684,13 +5684,14 @@ class VIEW3D_PT_object_type_visibility(Panel):
     bl_label = "View Object Types"
     bl_ui_units_x = 7
 
-    def draw(self, context):
+    # Allows derived classes to pass view data other than context.space_data. 
+    # This is used by the official VR add-on, which passes XrSessionSettings
+    # since VR has a 3D view that only exists for the duration of the VR session.
+    def draw_ex(self, context, view, show_select):
         layout = self.layout
         layout.use_property_split = True
         layout.use_property_decorate = False
 
-        view = context.space_data
-
         layout.label(text="Object Types Visibility")
         layout.separator()
         col = layout.column()
@@ -5728,19 +5729,25 @@ class VIEW3D_PT_object_type_visibility(Panel):
                 continue
 
             attr_v = "show_object_viewport_" + attr
-            attr_s = "show_object_select_" + attr
-
             icon_v = 'HIDE_OFF' if getattr(view, attr_v) else 'HIDE_ON'
-            icon_s = 'RESTRICT_SELECT_OFF' if getattr(view, attr_s) else 'RESTRICT_SELECT_ON'
 
             row = col.row(align=True)
             row.alignment = 'RIGHT'
 
             row.label(text=attr_name)
             row.prop(view, attr_v, text="", icon=icon_v, emboss=False)
-            rowsub = row.row(align=True)
-            rowsub.active = getattr(view, attr_v)
-            rowsub.prop(view, attr_s, text="", icon=icon_s, emboss=False)
+
+            if show_select:
+                attr_s = "show_object_select_" + attr
+                icon_s = 'RESTRICT_SELECT_OFF' if getattr(view, attr_s) else 'RESTRICT_SELECT_ON'
+
+                rowsub = row.row(align=True)
+                rowsub.active = getattr(view, attr_v)
+                rowsub.prop(view, attr_s, text="", icon=icon_s, emboss=False)
+
+    def draw(self, context):
+        view = context.space_data
+        self.draw_ex(context, view, True)
 
 
 class VIEW3D_PT_shading(Panel):