Fix for missing pose bone hash in the new dependency graph.

The hash table is used to look up bone poses, particularly during constraint
evaluation. Without this the default BLI_findstring method on a plain ListBase
is used, which is really slow for extensive rigs.

1 files changed, 16 insertions, 0 deletions

diff --git a/source/blender/depsgraph/intern/depsgraph_build_nodes.cc b/source/blender/depsgraph/intern/depsgraph_build_nodes.cc
index 0a5235a6d11..80961a687cd 100644
--- a/source/blender/depsgraph/intern/depsgraph_build_nodes.cc
+++ b/source/blender/depsgraph/intern/depsgraph_build_nodes.cc
@@ -778,6 +778,14 @@ void DepsgraphNodeBuilder::build_rig(Scene *scene, Object *ob)
 		}
 	}
 
+	/* speed optimization for animation lookups */
+	if (ob->pose) {
+		BKE_pose_channels_hash_make(ob->pose);
+		if (ob->pose->flag & POSE_CONSTRAINTS_NEED_UPDATE_FLAGS) {
+			BKE_pose_update_constraint_flags(ob->pose);
+		}
+	}
+
 	/* Make sure pose is up-to-date with armature updates. */
 	add_operation_node(&arm->id,
 	                   DEPSNODE_TYPE_PARAMETERS,
@@ -872,6 +880,14 @@ void DepsgraphNodeBuilder::build_proxy_rig(Object *ob)
 	ID *obdata = (ID *)ob->data;
 	build_animdata(obdata);
 
+	BLI_assert(ob->pose != NULL);
+
+	/* speed optimization for animation lookups */
+	BKE_pose_channels_hash_make(ob->pose);
+	if (ob->pose->flag & POSE_CONSTRAINTS_NEED_UPDATE_FLAGS) {
+		BKE_pose_update_constraint_flags(ob->pose);
+	}
+
 	add_operation_node(&ob->id,
 	                   DEPSNODE_TYPE_EVAL_POSE,
 	                   DEPSOP_TYPE_INIT,