Fix T96361: missing update when changing texture mapping properties

1 files changed, 16 insertions, 0 deletions

diff --git a/source/blender/makesrna/intern/rna_texture.c b/source/blender/makesrna/intern/rna_texture.c
index f66fb2653b5..5373f739c5f 100644
--- a/source/blender/makesrna/intern/rna_texture.c
+++ b/source/blender/makesrna/intern/rna_texture.c
@@ -35,6 +35,7 @@
 #include "BLI_utildefines.h"
 
 #include "BKE_node.h"
+#include "BKE_node_tree_update.h"
 #include "BKE_paint.h"
 
 #include "RNA_define.h"
@@ -205,8 +206,23 @@ static void rna_Texture_update(Main *bmain, Scene *UNUSED(scene), PointerRNA *pt
 
 static void rna_Texture_mapping_update(Main *bmain, Scene *scene, PointerRNA *ptr)
 {
+  ID *id = ptr->owner_id;
   TexMapping *texmap = ptr->data;
   BKE_texture_mapping_init(texmap);
+
+  if (GS(id->name) == ID_NT) {
+    bNodeTree *ntree = (bNodeTree *)ptr->owner_id;
+    /* Try to find and tag the node that this #TexMapping belongs to. */
+    LISTBASE_FOREACH (bNode *, node, &ntree->nodes) {
+      /* This assumes that the #TexMapping is stored at the beginning of the node storage. This is
+       * generally true, see #NodeTexBase. If the assumption happens to be false, there might be a
+       * missing update. */
+      if (node->storage == texmap) {
+        BKE_ntree_update_tag_node_property(ntree, node);
+      }
+    }
+  }
+
   rna_Texture_update(bmain, scene, ptr);
 }