[Bf-blender-cvs] [c98a535f5f2] temp-geometry-nodes-fields-prototype: fix

[Jacques Lucke]

Commit: c98a535f5f216a2545e7c020ad447a01b85b1c2e
Author: Jacques Lucke
Date:   Tue Jul 27 17:06:57 2021 +0200
Branches: temp-geometry-nodes-fields-prototype
https://developer.blender.org/rBc98a535f5f216a2545e7c020ad447a01b85b1c2e

fix

===================================================================

M	source/blender/blenkernel/BKE_field.hh

===================================================================

diff --git a/source/blender/blenkernel/BKE_field.hh b/source/blender/blenkernel/BKE_field.hh
index 9b7e6342f96..5f97fc0ec7e 100644
--- a/source/blender/blenkernel/BKE_field.hh
+++ b/source/blender/blenkernel/BKE_field.hh
@@ -275,6 +275,13 @@ class MultiFunctionField : public Field {
     return fn_->param_type(output_param_index_).data_type().single_type();
   }
 
+  void foreach_input_key(FunctionRef<void(const FieldInputKey &key)> callback) const override
+  {
+    for (const FieldPtr &field : input_fields_) {
+      field->foreach_input_key(callback);
+    }
+  }
+
   FieldOutput evaluate(IndexMask mask, const FieldInputs &inputs) const
   {
     fn::MFParamsBuilder params{*fn_, mask.min_array_size()};