From c34ea3323a3aa4b9a08cf5c67c8a8b4a3056bae1 Mon Sep 17 00:00:00 2001
From: Hans Goudey <h.goudey@me.com>
Date: Tue, 28 Dec 2021 18:25:02 -0600
Subject: Cleanup: Remove unused node tree "local sync" functions

---
 source/blender/blenkernel/BKE_node.h               |  9 -----
 source/blender/blenkernel/intern/node.cc           | 43 ----------------------
 .../blender/nodes/composite/node_composite_tree.cc |  6 ---
 3 files changed, 58 deletions(-)

diff --git a/source/blender/blenkernel/BKE_node.h b/source/blender/blenkernel/BKE_node.h
index 5c35ff69233..db3018b496d 100644
--- a/source/blender/blenkernel/BKE_node.h
+++ b/source/blender/blenkernel/BKE_node.h
@@ -414,7 +414,6 @@ typedef struct bNodeTreeType {
 
   /* calls allowing threaded composite */
   void (*localize)(struct bNodeTree *localtree, struct bNodeTree *ntree);
-  void (*local_sync)(struct bNodeTree *localtree, struct bNodeTree *ntree);
   void (*local_merge)(struct Main *bmain, struct bNodeTree *localtree, struct bNodeTree *ntree);
 
   /* Tree update. Overrides `nodetype->updatetreefunc` ! */
@@ -524,13 +523,6 @@ void ntreeNodeFlagSet(const bNodeTree *ntree, const int flag, const bool enable)
  * Returns localized tree for execution in threads.
  */
 struct bNodeTree *ntreeLocalize(struct bNodeTree *ntree);
-/**
- * Sync local composite with real tree.
- * The local tree is supposed to be running, be careful moving previews!
- *
- * Is called by jobs manager, outside threads, so it doesn't happen during draw.
- */
-void ntreeLocalSync(struct bNodeTree *localtree, struct bNodeTree *ntree);
 /**
  * Merge local tree results back, and free local tree.
  *
@@ -954,7 +946,6 @@ void BKE_node_preview_remove_unused(struct bNodeTree *ntree);
 void BKE_node_preview_clear(struct bNodePreview *preview);
 void BKE_node_preview_clear_tree(struct bNodeTree *ntree);
 
-void BKE_node_preview_sync_tree(struct bNodeTree *to_ntree, struct bNodeTree *from_ntree);
 void BKE_node_preview_merge_tree(struct bNodeTree *to_ntree,
                                  struct bNodeTree *from_ntree,
                                  bool remove_old);
diff --git a/source/blender/blenkernel/intern/node.cc b/source/blender/blenkernel/intern/node.cc
index 9975d4022c5..fb7e4e4c3be 100644
--- a/source/blender/blenkernel/intern/node.cc
+++ b/source/blender/blenkernel/intern/node.cc
@@ -2899,40 +2899,6 @@ void BKE_node_preview_clear_tree(bNodeTree *ntree)
   }
 }
 
-static void node_preview_sync(bNodePreview *to, bNodePreview *from)
-{
-  /* sizes should have been initialized by BKE_node_preview_init_tree */
-  BLI_assert(to->xsize == from->xsize && to->ysize == from->ysize);
-
-  /* copy over contents of previews */
-  if (to->rect && from->rect) {
-    int xsize = to->xsize;
-    int ysize = to->ysize;
-    memcpy(to->rect, from->rect, xsize * ysize * sizeof(char[4]));
-  }
-}
-
-void BKE_node_preview_sync_tree(bNodeTree *to_ntree, bNodeTree *from_ntree)
-{
-  bNodeInstanceHash *from_previews = from_ntree->previews;
-  bNodeInstanceHash *to_previews = to_ntree->previews;
-
-  if (!from_previews || !to_previews) {
-    return;
-  }
-
-  bNodeInstanceHashIterator iter;
-  NODE_INSTANCE_HASH_ITER (iter, from_previews) {
-    bNodeInstanceKey key = BKE_node_instance_hash_iterator_get_key(&iter);
-    bNodePreview *from = (bNodePreview *)BKE_node_instance_hash_iterator_get_value(&iter);
-    bNodePreview *to = (bNodePreview *)BKE_node_instance_hash_lookup(to_previews, key);
-
-    if (from && to) {
-      node_preview_sync(to, from);
-    }
-  }
-}
-
 void BKE_node_preview_merge_tree(bNodeTree *to_ntree, bNodeTree *from_ntree, bool remove_old)
 {
   if (remove_old || !to_ntree->previews) {
@@ -3341,15 +3307,6 @@ bNodeTree *ntreeLocalize(bNodeTree *ntree)
   return ltree;
 }
 
-void ntreeLocalSync(bNodeTree *localtree, bNodeTree *ntree)
-{
-  if (localtree && ntree) {
-    if (ntree->typeinfo->local_sync) {
-      ntree->typeinfo->local_sync(localtree, ntree);
-    }
-  }
-}
-
 void ntreeLocalMerge(Main *bmain, bNodeTree *localtree, bNodeTree *ntree)
 {
   if (ntree && localtree) {
diff --git a/source/blender/nodes/composite/node_composite_tree.cc b/source/blender/nodes/composite/node_composite_tree.cc
index 8de9b851c43..08dbd4ad6f0 100644
--- a/source/blender/nodes/composite/node_composite_tree.cc
+++ b/source/blender/nodes/composite/node_composite_tree.cc
@@ -125,11 +125,6 @@ static void localize(bNodeTree *localtree, bNodeTree *ntree)
   }
 }
 
-static void local_sync(bNodeTree *localtree, bNodeTree *ntree)
-{
-  BKE_node_preview_sync_tree(ntree, localtree);
-}
-
 static void local_merge(Main *bmain, bNodeTree *localtree, bNodeTree *ntree)
 {
   bNode *lnode;
@@ -210,7 +205,6 @@ void register_node_tree_type_cmp()
   tt->free_node_cache = free_node_cache;
   tt->foreach_nodeclass = foreach_nodeclass;
   tt->localize = localize;
-  tt->local_sync = local_sync;
   tt->local_merge = local_merge;
   tt->update = update;
   tt->get_from_context = composite_get_from_context;
-- 
cgit v1.2.3