From df625835c42e593d2501d50ee63287fdaf499ead Mon Sep 17 00:00:00 2001
From: Jacques Lucke <jacques@blender.org>
Date: Thu, 24 Jul 2025 10:16:46 +0200
Subject: [PATCH] Fix #142202: missing anonymous attribute propagation when
 using some field nodes

Some fields were missing `for_each_field_input_recursive` implementations which
are required for anonymous attribute propagation to work.

Pull Request: https://projects.blender.org/blender/blender/pulls/143031
---
 .../geometry/nodes/node_geo_accumulate_field.cc      | 12 ++++++++++++
 .../nodes/geometry/nodes/node_geo_field_average.cc   |  6 ++++++
 .../geometry/nodes/node_geo_field_min_and_max.cc     |  6 ++++++
 .../nodes/geometry/nodes/node_geo_field_variance.cc  |  6 ++++++
 4 files changed, 30 insertions(+)

diff --git a/source/blender/nodes/geometry/nodes/node_geo_accumulate_field.cc b/source/blender/nodes/geometry/nodes/node_geo_accumulate_field.cc
index b6a22e00a64..5483961b753 100644
--- a/source/blender/nodes/geometry/nodes/node_geo_accumulate_field.cc
+++ b/source/blender/nodes/geometry/nodes/node_geo_accumulate_field.cc
@@ -259,6 +259,12 @@ class AccumulateFieldInput final : public bke::GeometryFieldInput {
     return attributes.adapt_domain(std::move(g_output), source_domain_, context.domain());
   }
 
+  void for_each_field_input_recursive(FunctionRef<void(const FieldInput &)> fn) const final
+  {
+    input_.node().for_each_field_input_recursive(fn);
+    group_index_.node().for_each_field_input_recursive(fn);
+  }
+
   uint64_t hash() const override
   {
     return get_default_hash(input_, group_index_, source_domain_, accumulation_mode_);
@@ -348,6 +354,12 @@ class TotalFieldInput final : public bke::GeometryFieldInput {
     return attributes.adapt_domain(std::move(g_outputs), source_domain_, context.domain());
   }
 
+  void for_each_field_input_recursive(FunctionRef<void(const FieldInput &)> fn) const final
+  {
+    input_.node().for_each_field_input_recursive(fn);
+    group_index_.node().for_each_field_input_recursive(fn);
+  }
+
   uint64_t hash() const override
   {
     return get_default_hash(input_, group_index_, source_domain_);
diff --git a/source/blender/nodes/geometry/nodes/node_geo_field_average.cc b/source/blender/nodes/geometry/nodes/node_geo_field_average.cc
index c5cc202ee15..532a0c07eb9 100644
--- a/source/blender/nodes/geometry/nodes/node_geo_field_average.cc
+++ b/source/blender/nodes/geometry/nodes/node_geo_field_average.cc
@@ -243,6 +243,12 @@ class FieldAverageInput final : public bke::GeometryFieldInput {
     return attributes.adapt_domain(std::move(g_outputs), source_domain_, context.domain());
   }
 
+  void for_each_field_input_recursive(FunctionRef<void(const FieldInput &)> fn) const final
+  {
+    input_.node().for_each_field_input_recursive(fn);
+    group_index_.node().for_each_field_input_recursive(fn);
+  }
+
   uint64_t hash() const override
   {
     return get_default_hash(input_, group_index_, source_domain_, operation_);
diff --git a/source/blender/nodes/geometry/nodes/node_geo_field_min_and_max.cc b/source/blender/nodes/geometry/nodes/node_geo_field_min_and_max.cc
index 14bc7337193..6816aac4547 100644
--- a/source/blender/nodes/geometry/nodes/node_geo_field_min_and_max.cc
+++ b/source/blender/nodes/geometry/nodes/node_geo_field_min_and_max.cc
@@ -229,6 +229,12 @@ class FieldMinMaxInput final : public bke::GeometryFieldInput {
     return attributes.adapt_domain(std::move(g_outputs), source_domain_, context.domain());
   }
 
+  void for_each_field_input_recursive(FunctionRef<void(const FieldInput &)> fn) const final
+  {
+    input_.node().for_each_field_input_recursive(fn);
+    group_index_.node().for_each_field_input_recursive(fn);
+  }
+
   uint64_t hash() const override
   {
     return get_default_hash(input_, group_index_, source_domain_, operation_);
diff --git a/source/blender/nodes/geometry/nodes/node_geo_field_variance.cc b/source/blender/nodes/geometry/nodes/node_geo_field_variance.cc
index 60eaec93e9d..3d41f57ce0d 100644
--- a/source/blender/nodes/geometry/nodes/node_geo_field_variance.cc
+++ b/source/blender/nodes/geometry/nodes/node_geo_field_variance.cc
@@ -244,6 +244,12 @@ class FieldVarianceInput final : public bke::GeometryFieldInput {
     return attributes.adapt_domain(std::move(g_outputs), source_domain_, context.domain());
   }
 
+  void for_each_field_input_recursive(FunctionRef<void(const FieldInput &)> fn) const final
+  {
+    input_.node().for_each_field_input_recursive(fn);
+    group_index_.node().for_each_field_input_recursive(fn);
+  }
+
   uint64_t hash() const override
   {
     return get_default_hash(input_, group_index_, source_domain_, operation_);