Fix #111. Active view layer should be recovered after denosising.

bake_common.py

@@ -750,7 +750,8 @@ def prepare_composite_settings(res_x=1024, res_y=1024, use_hdr=False):
     # Remember original scene
     book['ori_scene_name'] = bpy.context.scene.name
 
-    # Remember active object since sometimes active object became null after doing the compositing
+    # Remember active object and view layer
+    book['ori_viewlayer'] = bpy.context.window.view_layer.name if bpy.context.window.view_layer and is_greater_than_280() else ''
     book['ori_object'] = bpy.context.object.name if bpy.context.object else ''
 
     # Check if original viewport is using camera view
@@ -813,6 +814,12 @@ def recover_composite_settings(book):
     if book['ori_camera_view']:
         bpy.context.area.spaces[0].region_3d.view_perspective = 'CAMERA'
 
+    # Recover view layer
+    if is_greater_than_280():
+        ori_viewlayer = bpy.context.scene.view_layers.get(book['ori_viewlayer'])
+        if ori_viewlayer and bpy.context.window.view_layer != ori_viewlayer:
+            bpy.context.window.view_layer = ori_viewlayer
+
     # Recover active object
     ori_object = bpy.data.objects.get(book['ori_object'])
     if ori_object and bpy.context.object != ori_object: