diff options
Diffstat (limited to 'source/blender/makesdna/DNA_ID.h')
| -rw-r--r-- | source/blender/makesdna/DNA_ID.h | 26 |
1 files changed, 23 insertions, 3 deletions
diff --git a/source/blender/makesdna/DNA_ID.h b/source/blender/makesdna/DNA_ID.h index c9d652ad03d..10a5a0f1c47 100644 --- a/source/blender/makesdna/DNA_ID.h +++ b/source/blender/makesdna/DNA_ID.h @@ -429,7 +429,8 @@ typedef struct PreviewImage { * BKE_library_override typically (especially due to the check on LIB_TAG_EXTERN). */ #define ID_IS_OVERRIDABLE_LIBRARY(_id) \ (ID_IS_LINKED(_id) && !ID_MISSING(_id) && (((const ID *)(_id))->tag & LIB_TAG_EXTERN) != 0 && \ - (BKE_idtype_get_info_from_id((const ID *)(_id))->flags & IDTYPE_FLAGS_NO_LIBLINKING) == 0) + (BKE_idtype_get_info_from_id((const ID *)(_id))->flags & IDTYPE_FLAGS_NO_LIBLINKING) == 0 && \ + !ELEM(GS(((ID *)(_id))->name), ID_SCE)) /* NOTE: The three checks below do not take into account whether given ID is linked or not (when * chaining overrides over several libraries). User must ensure the ID is not linked itself @@ -550,7 +551,7 @@ enum { /* tag data-block as having actually increased user-count for the extra virtual user. */ LIB_TAG_EXTRAUSER_SET = 1 << 7, - /* RESET_AFTER_USE tag newly duplicated/copied IDs. + /* RESET_AFTER_USE tag newly duplicated/copied IDs (see #ID_NEW_SET macro above). * Also used internally in readfile.c to mark data-blocks needing do_versions. */ LIB_TAG_NEW = 1 << 8, /* RESET_BEFORE_USE free test flag. @@ -562,13 +563,32 @@ enum { /** * The data-block is a copy-on-write/localized version. * + * RESET_NEVER + * * \warning This should not be cleared on existing data. * If support for this is needed, see T88026 as this flag controls memory ownership * of physics *shared* pointers. */ LIB_TAG_COPIED_ON_WRITE = 1 << 12, - + /** + * The data-block is not the original COW ID created by the depsgraph, but has be re-allocated + * during the evaluation process of another ID. + * + * RESET_NEVER + * + * Typical example is object data, when evaluating the object's modifier stack the final obdata + * can be different than the COW initial obdata ID. + */ LIB_TAG_COPIED_ON_WRITE_EVAL_RESULT = 1 << 13, + + /** + * The data-block is fully outside of any ID management area, and should be considered as a + * purely independent data. + * + * RESET_NEVER + * + * NOTE: Only used by node-groups currently. + */ LIB_TAG_LOCALIZED = 1 << 14, /* RESET_NEVER tag data-block for freeing etc. behavior |