5 files changed, 25 insertions, 2 deletions
diff --git a/source/blender/depsgraph/DEG_depsgraph.h b/source/blender/depsgraph/DEG_depsgraph.h
index a8b21e4c153..48a6a5cda74 100644
--- a/source/blender/depsgraph/DEG_depsgraph.h
+++ b/source/blender/depsgraph/DEG_depsgraph.h
@@ -221,6 +221,14 @@ bool DEG_is_active(const struct Depsgraph *depsgraph);
 void DEG_make_active(struct Depsgraph *depsgraph);
 void DEG_make_inactive(struct Depsgraph *depsgraph);
 
+/**
+ * Disable the visibility optimization making it so IDs which affect hidden objects or disabled
+ * modifiers are still evaluated.
+ *
+ * For example, this ensures that an object which is needed by a modifier is ignoring checks about
+ * whether the object is hidden or the modifier is disabled. */
+void DEG_disable_visibility_optimization(struct Depsgraph *depsgraph);
+
 /** \} */
 
 /* -------------------------------------------------------------------- */
diff --git a/source/blender/depsgraph/DEG_depsgraph_build.h b/source/blender/depsgraph/DEG_depsgraph_build.h
index 201a534f535..ffeb5e897ab 100644
--- a/source/blender/depsgraph/DEG_depsgraph_build.h
+++ b/source/blender/depsgraph/DEG_depsgraph_build.h
@@ -56,6 +56,9 @@ void DEG_graph_build_for_render_pipeline(struct Depsgraph *graph);
  */
 void DEG_graph_build_for_compositor_preview(struct Depsgraph *graph, struct bNodeTree *nodetree);
 
+/**
+ * Builds the minimal dependency graph needed for evaluation of the given IDs.
+ */
 void DEG_graph_build_from_ids(struct Depsgraph *graph, struct ID **ids, int num_ids);
 
 /** Tag relations from the given graph for update. */
diff --git a/source/blender/depsgraph/intern/depsgraph.cc b/source/blender/depsgraph/intern/depsgraph.cc
index 316d0b615c6..4d7d537b450 100644
--- a/source/blender/depsgraph/intern/depsgraph.cc
+++ b/source/blender/depsgraph/intern/depsgraph.cc
@@ -58,6 +58,7 @@ Depsgraph::Depsgraph(Main *bmain, Scene *scene, ViewLayer *view_layer, eEvaluati
       ctime(BKE_scene_ctime_get(scene)),
       scene_cow(nullptr),
       is_active(false),
+      use_visibility_optimization(true),
       is_evaluating(false),
       is_render_pipeline_depsgraph(false),
       use_editors_update(false)
@@ -334,3 +335,9 @@ void DEG_make_inactive(struct Depsgraph *depsgraph)
   deg::Depsgraph *deg_graph = reinterpret_cast<deg::Depsgraph *>(depsgraph);
   deg_graph->is_active = false;
 }
+
+void DEG_disable_visibility_optimization(struct Depsgraph *depsgraph)
+{
+  deg::Depsgraph *deg_graph = reinterpret_cast<deg::Depsgraph *>(depsgraph);
+  deg_graph->use_visibility_optimization = false;
+}
+\ No newline at end of file
diff --git a/source/blender/depsgraph/intern/depsgraph.h b/source/blender/depsgraph/intern/depsgraph.h
index 2f88199384d..042cb045c6f 100644
--- a/source/blender/depsgraph/intern/depsgraph.h
+++ b/source/blender/depsgraph/intern/depsgraph.h
@@ -147,6 +147,9 @@ struct Depsgraph {
    * to read stuff from. */
   bool is_active;
 
+  /* Optimize out evaluation of operations which affect hidden objects or disabled modifiers. */
+  bool use_visibility_optimization;
+
   DepsgraphDebug debug;
 
   bool is_evaluating;
diff --git a/source/blender/depsgraph/intern/eval/deg_eval_visibility.cc b/source/blender/depsgraph/intern/eval/deg_eval_visibility.cc
index a056ba1dfa7..0ee4052eff3 100644
--- a/source/blender/depsgraph/intern/eval/deg_eval_visibility.cc
+++ b/source/blender/depsgraph/intern/eval/deg_eval_visibility.cc
@@ -37,7 +37,8 @@ void deg_evaluate_object_node_visibility(::Depsgraph *depsgraph, IDNode *id_node
   const int required_flags = (graph->mode == DAG_EVAL_VIEWPORT) ? BASE_ENABLED_VIEWPORT :
                                                                   BASE_ENABLED_RENDER;
 
-  const bool is_enabled = object->base_flag & required_flags;
+  const bool is_enabled = !graph->use_visibility_optimization ||
+                          object->base_flag & required_flags;
 
   if (id_node->is_enabled_on_eval != is_enabled) {
     id_node->is_enabled_on_eval = is_enabled;
@@ -73,7 +74,8 @@ void deg_evaluate_object_modifiers_mode_node_visibility(::Depsgraph *depsgraph,
                    "Modifier node in depsgraph is not found. Likely due to missing "
                    "DEG_relations_tag_update().");
 
-    const bool modifier_enabled = modifier->mode & modifier_mode;
+    const bool modifier_enabled = !graph->use_visibility_optimization ||
+                                  (modifier->mode & modifier_mode);
     const int mute_flag = modifier_enabled ? 0 : DEPSOP_FLAG_MUTE;
     if ((modifier_node->flag & DEPSOP_FLAG_MUTE) != mute_flag) {
       modifier_node->flag &= ~DEPSOP_FLAG_MUTE;