diff options
Diffstat (limited to 'source/blender/blenloader/intern/readfile.c')
| -rw-r--r-- | source/blender/blenloader/intern/readfile.c | 119 |
1 files changed, 66 insertions, 53 deletions
diff --git a/source/blender/blenloader/intern/readfile.c b/source/blender/blenloader/intern/readfile.c index d4799404ef2..6b67842bf1e 100644 --- a/source/blender/blenloader/intern/readfile.c +++ b/source/blender/blenloader/intern/readfile.c @@ -2800,6 +2800,62 @@ static void direct_link_id_private_id(FileData *fd, ID *id, ID *id_old) } } +static int direct_link_id_restore_recalc_exceptions(const ID *id_current) +{ + /* Exception for armature objects, where the pose has direct points to the + * armature databolock. */ + if (GS(id_current->name) == ID_OB && ((Object *)id_current)->pose) { + return ID_RECALC_GEOMETRY; + } + + return 0; +} + +static int direct_link_id_restore_recalc(const FileData *fd, + const ID *id_target, + const ID *id_current, + const bool is_identical) +{ + /* These are the evaluations that had not been performed yet at the time the + * target undo state was written. These need to be done again, since they may + * flush back changes to the original datablock. */ + int recalc = id_target->recalc; + + if (id_current == NULL) { + /* ID does not currently exist in the database, so also will not exist in + * the dependency graphs. That means it will be newly created and as a + * result also fully re-evaluated regardless of the recalc flag set here. */ + recalc |= ID_RECALC_ALL; + } + else { + /* If the contents datablock changed, the depsgraph needs to copy the + * datablock again to ensure it matches the original datablock. */ + if (!is_identical) { + recalc |= ID_RECALC_COPY_ON_WRITE; + } + + /* Special exceptions. */ + recalc |= direct_link_id_restore_recalc_exceptions(id_current); + + /* Evaluations for the current state that have not been performed yet + * by the time we are perfoming this undo step. */ + recalc |= id_current->recalc; + + /* Tags that were set between the target state and the current state, + * that we need to perform again. */ + if (fd->undo_direction < 0) { + /* Undo: tags from target to the current state. */ + recalc |= id_current->recalc_undo_accumulated; + } + else { + /* Redo: tags from current to the target state. */ + recalc |= id_target->recalc_undo_accumulated; + } + } + + return recalc; +} + static void direct_link_id_common(FileData *fd, ID *id, ID *id_old, const int tag) { /*link direct data of ID properties*/ @@ -2827,29 +2883,8 @@ static void direct_link_id_common(FileData *fd, ID *id, ID *id_old, const int ta id->recalc_undo_accumulated = 0; } else if ((fd->skip_flags & BLO_READ_SKIP_UNDO_OLD_MAIN) == 0) { - if (fd->undo_direction < 0) { - /* We are coming from the future (i.e. do an actual undo, and not a redo), and we found an - * old (aka existing) ID: we use its 'accumulated recalc flags since last memfile undo step - * saving' as recalc flags of our newly read ID. */ - if (id_old != NULL) { - id->recalc = id_old->recalc_undo_accumulated; - } - } - else { - /* We are coming from the past (i.e. do a redo), we use saved 'accumulated - * recalc flags since last memfile undo step saving' as recalc flags of our newly read ID. */ - id->recalc = id->recalc_undo_accumulated; - } - /* In any case, we need to flush the depsgraph's CoWs, as even if the ID address itself did not - * change, internal data most likely have. */ - id->recalc |= ID_RECALC_COPY_ON_WRITE; - - /* We need to 'accumulate' the accumulated recalc flags of all undo steps until we actually - * perform a depsgraph update, otherwise we'd only ever use the flags from one of the steps, - * and never get proper flags matching all others. */ - if (id_old != NULL) { - id->recalc_undo_accumulated |= id_old->recalc_undo_accumulated; - } + id->recalc = direct_link_id_restore_recalc(fd, id, id_old, false); + id->recalc_undo_accumulated = 0; } /* Link direct data of overrides. */ @@ -9498,7 +9533,7 @@ static bool read_libblock_undo_restore_linked(FileData *fd, Main *main, const ID /* For undo, restore unchanged datablock from old main. */ static void read_libblock_undo_restore_identical( - FileData *fd, Main *main, const ID *id, ID *id_old, const int tag) + FileData *fd, Main *main, const ID *UNUSED(id), ID *id_old, const int tag) { BLI_assert((fd->skip_flags & BLO_READ_SKIP_UNDO_OLD_MAIN) == 0); BLI_assert(id_old != NULL); @@ -9511,10 +9546,6 @@ static void read_libblock_undo_restore_identical( id_old->newid = NULL; id_old->orig_id = NULL; - /* About recalc: since that ID did not change at all, we know that its recalc fields also - * remained unchanged, so no need to handle neither recalc nor recalc_undo_future here. - */ - const short idcode = GS(id_old->name); Main *old_bmain = fd->old_mainlist->first; ListBase *old_lb = which_libbase(old_bmain, idcode); @@ -9522,31 +9553,9 @@ static void read_libblock_undo_restore_identical( BLI_remlink(old_lb, id_old); BLI_addtail(new_lb, id_old); - /* Even though we re-use the old ID as-is, it does not mean that we are 100% safe from - * needing some depsgraph updates for it (it could depend on another ID which address - * did not change, but which actual content might have been re-read from the memfile). - * IMPORTANT: Do not fully overwrite recalc flag here, depsgraph may not have been ran - * yet for previous undo step(s), we do not want to erase flags set by those. - */ - if (fd->undo_direction < 0) { - /* We are coming from the future (i.e. do an actual undo, and not a redo), we use our - * old reused ID's 'accumulated recalc flags since last memfile undo step saving' as - * recalc flags. */ - id_old->recalc |= id_old->recalc_undo_accumulated; - } - else { - /* We are coming from the past (i.e. do a redo), we use the saved 'accumulated recalc - * flags since last memfile undo step saving' from the newly read ID as recalc flags. - */ - id_old->recalc |= id->recalc_undo_accumulated; - } - /* There is no need to flush the depsgraph's CoWs here, since that ID's data itself did - * not change. */ - - /* We need to 'accumulate' the accumulated recalc flags of all undo steps until we - * actually perform a depsgraph update, otherwise we'd only ever use the flags from one - * of the steps, and never get proper flags matching all others. */ - id_old->recalc_undo_accumulated |= id->recalc_undo_accumulated; + /* Recalc flags, mostly these just remain as they are. */ + id_old->recalc |= direct_link_id_restore_recalc_exceptions(id_old); + id_old->recalc_undo_accumulated = 0; } /* For undo, store changed datablock at old address. */ @@ -10217,6 +10226,10 @@ BlendFileData *blo_read_file_internal(FileData *fd, const char *filepath) BlendFileData *bfd; ListBase mainlist = {NULL, NULL}; + if (fd->memfile != NULL) { + DEBUG_PRINTF("\nUNDO: read step\n"); + } + bfd = MEM_callocN(sizeof(BlendFileData), "blendfiledata"); bfd->main = BKE_main_new(); |