Commit: d8db5cb6003c84594f5c2f6a85a02f60bafe72c1
Author: Jeroen Bakker
Date: Tue Dec 15 12:17:31 2020 +0100
Branches: master
https://developer.blender.org/rBd8db5cb6003c84594f5c2f6a85a02f60bafe72c1
Fix: upward compatibility of cryptomatte matte id.
The matte_id is stored in a different structure in 2.92. This patch will
write the old matte_id field so the files can be opened correctly in
older versions.
===================================================================
M source/blender/blenkernel/intern/node.c
===================================================================
diff --git a/source/blender/blenkernel/intern/node.c
b/source/blender/blenkernel/intern/node.c
index 75f2fca1096..87997198334 100644
--- a/source/blender/blenkernel/intern/node.c
+++ b/source/blender/blenkernel/intern/node.c
@@ -60,6 +60,7 @@
#include "BKE_anim_data.h"
#include "BKE_animsys.h"
#include "BKE_colortools.h"
+#include "BKE_cryptomatte.h"
#include "BKE_global.h"
#include "BKE_idprop.h"
#include "BKE_idtype.h"
@@ -491,6 +492,10 @@ 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);
}
@@ -498,6 +503,7 @@ void ntreeBlendWrite(BlendWriter *writer, bNodeTree *ntree)
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->typeinfo != &NodeTypeUndefined) {
BLO_write_struct_by_name(writer, node->typeinfo->storagename,
node->storage);
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