diff options
Diffstat (limited to 'source/blender/blenloader/intern')
| -rw-r--r-- | source/blender/blenloader/intern/writefile.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/source/blender/blenloader/intern/writefile.c b/source/blender/blenloader/intern/writefile.c index d7d2dd529f9..c2820ac6e30 100644 --- a/source/blender/blenloader/intern/writefile.c +++ b/source/blender/blenloader/intern/writefile.c @@ -679,8 +679,10 @@ static void write_iddata(void *wd, const ID *id) static void write_previews(WriteData *wd, const PreviewImage *prv_orig) { - /* Never write previews when doing memsave (i.e. undo/redo)! */ - if (prv_orig && !wd->current) { + /* Note we write previews also for undo steps. It takes up some memory, + * but not doing so would causes all previews to be re-rendered after + * undo which is too expensive. */ + if (prv_orig) { PreviewImage prv = *prv_orig; /* don't write out large previews if not requested */ |