1 files changed, 20 insertions, 0 deletions
diff --git a/source/blender/nodes/composite/nodes/node_composite_mask.cc b/source/blender/nodes/composite/nodes/node_composite_mask.cc
index 5b8fac5d1c0..2372dbae3f2 100644
--- a/source/blender/nodes/composite/nodes/node_composite_mask.cc
+++ b/source/blender/nodes/composite/nodes/node_composite_mask.cc
@@ -10,6 +10,8 @@
 #include "UI_interface.h"
 #include "UI_resources.h"
 
+#include "COM_node_operation.hh"
+
 #include "node_composite_util.hh"
 
 /* **************** Mask  ******************** */
@@ -74,6 +76,23 @@ static void node_composit_buts_mask(uiLayout *layout, bContext *C, PointerRNA *p
   }
 }
 
+using namespace blender::realtime_compositor;
+
+class MaskOperation : public NodeOperation {
+ public:
+  using NodeOperation::NodeOperation;
+
+  void execute() override
+  {
+    get_result("Mask").allocate_invalid();
+  }
+};
+
+static NodeOperation *get_compositor_operation(Context &context, DNode node)
+{
+  return new MaskOperation(context, node);
+}
+
 }  // namespace blender::nodes::node_composite_mask_cc
 
 void register_node_type_cmp_mask()
@@ -87,6 +106,7 @@ void register_node_type_cmp_mask()
   ntype.draw_buttons = file_ns::node_composit_buts_mask;
   node_type_init(&ntype, file_ns::node_composit_init_mask);
   ntype.labelfunc = file_ns::node_mask_label;
+  ntype.get_compositor_operation = file_ns::get_compositor_operation;
 
   node_type_storage(&ntype, "NodeMask", node_free_standard_storage, node_copy_standard_storage);