Commit: dc2617130b2e1d7d2b9892fbd7c6e7b60caafb66
Author: Bastien Montagne
Date: Wed Dec 17 10:20:56 2014 +0100
Branches: master
https://developer.blender.org/rBdc2617130b2e1d7d2b9892fbd7c6e7b60caafb66
Fix: Never write previews for undo steps.
This may eat quite q bit of mem in the end (though nothing critical),
and icons (material ones e.g.) often ended up out of sync after undo.
===================================================================
M source/blender/blenloader/intern/writefile.c
===================================================================
diff --git a/source/blender/blenloader/intern/writefile.c
b/source/blender/blenloader/intern/writefile.c
index 3dc1fed..bf82a4f 100644
--- a/source/blender/blenloader/intern/writefile.c
+++ b/source/blender/blenloader/intern/writefile.c
@@ -2057,7 +2057,8 @@ static void write_lattices(WriteData *wd, ListBase
*idbase)
static void write_previews(WriteData *wd, PreviewImage *prv)
{
- if (prv) {
+ /* Never write previews in undo steps! */
+ if (prv && !wd->current) {
short w = prv->w[1];
short h = prv->h[1];
unsigned int *rect = prv->rect[1];
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