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Fix T86026: Crash Opening Cryptomatte File. 

But this time the root cause. Writing undo files is done in a separate
thread. This patch moved the updating of the matte_id when the user
actually changes the matte.
This commit is contained in:
Jeroen Bakker 2021-03-08 08:47:22 +01:00
parent 89757f918c
commit cbf033c055
Notes: blender-bot 2023-02-14 03:29:37 +01:00 
Referenced by commit b4a4004fb1, Fix memory leak in cryptomatte
Referenced by issue #86271, Blender crashing when working in Compositor - for example deleting Cryptomatte nodes
Referenced by issue #86026, 2.92 crashes when reopening file [Cryptomatte related].
4 changed files with 14 additions and 10 deletions
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11
source/blender/blenkernel/intern/cryptomatte.cc
View File

@ -208,6 +208,17 @@ void BKE_cryptomatte_matte_id_to_entries(NodeCryptomatte *node_storage, const ch
BLI_freelistN(&node_storage->entries);
std::optional<CryptomatteSession> session = std::nullopt;
if (matte_id == nullptr) {
MEM_SAFE_FREE(node_storage->matte_id);
return;
}
/* Update the matte_id so the files can be opened in versions that don't
* use `CryptomatteEntry`. */
if (matte_id != node_storage->matte_id && STREQ(node_storage->matte_id, matte_id)) {
MEM_SAFE_FREE(node_storage->matte_id);
node_storage->matte_id = static_cast<char *>(MEM_dupallocN(matte_id));
}
std::istringstream ss(matte_id);
while (ss.good()) {
CryptomatteEntry *entry = nullptr;

9
source/blender/blenkernel/intern/node.cc
View File

@ -540,18 +540,11 @@ void ntreeBlendWrite(BlendWriter *writer, bNodeTree *ntree)
}
else if ((ntree->type == NTREE_COMPOSIT) && (node->type == CMP_NODE_CRYPTOMATTE)) {
NodeCryptomatte *nc = (NodeCryptomatte *)node->storage;
/* Update the matte_id so the files can be opened in versions that don't
* use `CryptomatteEntry`. */
MEM_SAFE_FREE(nc->matte_id);
nc->matte_id = BKE_cryptomatte_entries_to_matte_id(nc);
if (nc->matte_id) {
BLO_write_string(writer, nc->matte_id);
}
BLO_write_string(writer, nc->matte_id);
LISTBASE_FOREACH (CryptomatteEntry *, entry, &nc->entries) {
BLO_write_struct(writer, CryptomatteEntry, entry);
}
BLO_write_struct_by_name(writer, node->typeinfo->storagename, node->storage);
MEM_SAFE_FREE(nc->matte_id);
}
else if (node->type == FN_NODE_INPUT_STRING) {
NodeInputString *storage = (NodeInputString *)node->storage;

1
source/blender/blenloader/intern/versioning_290.c
View File

@ -1469,7 +1469,6 @@ void blo_do_versions_290(FileData *fd, Library *UNUSED(lib), Main *bmain)
continue;
}
BKE_cryptomatte_matte_id_to_entries(storage, storage->matte_id);
MEM_SAFE_FREE(storage->matte_id);
}
}
}

3
source/blender/makesdna/DNA_node_types.h
View File

@ -1070,7 +1070,8 @@ typedef struct CryptomatteEntry {
typedef struct NodeCryptomatte {
float add[3];
float remove[3];
char *matte_id DNA_DEPRECATED;
/* Stores `entries` as a string for opening in 2.80-2.91. */
char *matte_id;
/* Contains `CryptomatteEntry`. */
ListBase entries;
int num_inputs;