glTF exporter: small bugfix for occlusion textures

io_scene_gltf2/__init__.py

@@ -15,7 +15,7 @@
 bl_info = {
     'name': 'glTF 2.0 format',
     'author': 'Julien Duroure, Norbert Nopper, Urs Hanselmann, Moritz Becher, Benjamin Schmithüsen, Jim Eckerlein, and many external contributors',
-    "version": (1, 3, 18),
+    "version": (1, 3, 19),
     'blender': (2, 90, 0),
     'location': 'File > Import-Export',
     'description': 'Import-Export as glTF 2.0',

io_scene_gltf2/blender/exp/gltf2_blender_gather_image.py

@@ -191,7 +191,7 @@ def __get_image_data(sockets_or_slots, export_settings) -> ExportImage:
                 dst_chan = Channel.B
             elif socket.name == 'Roughness':
                 dst_chan = Channel.G
-            elif socket.name == 'Occlusion' and len(sockets_or_slots) > 1 and sockets_or_slots[1] is not None:
+            elif socket.name == 'Occlusion':
                 dst_chan = Channel.R
             elif socket.name == 'Alpha' and len(sockets_or_slots) > 1 and sockets_or_slots[1] is not None:
                 dst_chan = Channel.A