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glTF exporter: avoid crash using compositor rendering for image generation

This commit is contained in:
Julien Duroure 2020-03-05 18:36:50 +01:00
parent bf2cf4d601
commit af687f5a04
Notes: blender-bot 2023-02-13 23:20:36 +01:00 
Referenced by issue blender/blender#74274, Blender 2.82a proposed revisions
2 changed files with 3 additions and 10 deletions
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11
io_scene_gltf2/blender/exp/gltf2_blender_gather_mesh.py
View File

@ -39,8 +39,8 @@ def gather_mesh(blender_mesh: bpy.types.Mesh,
extensions=__gather_extensions(blender_mesh, vertex_groups, modifiers, export_settings),
extras=__gather_extras(blender_mesh, vertex_groups, modifiers, export_settings),
name=__gather_name(blender_mesh, vertex_groups, modifiers, export_settings),
weights=__gather_weights(blender_mesh, vertex_groups, modifiers, export_settings),
primitives=__gather_primitives(blender_mesh, blender_object, vertex_groups, modifiers, material_names, export_settings),
weights=__gather_weights(blender_mesh, vertex_groups, modifiers, export_settings)
)
if len(mesh.primitives) == 0:
@ -134,15 +134,6 @@ def __gather_weights(blender_mesh: bpy.types.Mesh,
modifiers: Optional[bpy.types.ObjectModifiers],
export_settings
) -> Optional[List[float]]:
# Seems that in some files, when using Apply Modifier, shape_keys return an error
# ReferenceError: StructRNA of type Mesh has been removed
# Because shapekeys are not exported in that case, we can return None
try:
blender_mesh.shape_keys
except:
return None
if not export_settings[MORPH] or not blender_mesh.shape_keys:
return None

2
io_scene_gltf2/blender/exp/gltf2_blender_gather_primitives.py
View File

@ -59,6 +59,8 @@ def gather_primitives(
material = gltf2_blender_gather_materials.gather_material(blender_material,
double_sided,
export_settings)
# NOTE: gather_material may invalidate blender_mesh (see #932),
# so make sure not to access blender_mesh again after this point
except IndexError:
# no material at that index
pass