[Bf-blender-cvs] [2feed5ce338] temp-geometry-nodes-fields: support deduplication of normal node

[Jacques Lucke]

Commit: 2feed5ce338610eb49a74eb2f0b2e187222450bb
Author: Jacques Lucke
Date:   Fri Sep 3 11:06:50 2021 +0200
Branches: temp-geometry-nodes-fields
https://developer.blender.org/rB2feed5ce338610eb49a74eb2f0b2e187222450bb

support deduplication of normal node

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

M	source/blender/nodes/geometry/nodes/node_geo_input_normal.cc

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

diff --git a/source/blender/nodes/geometry/nodes/node_geo_input_normal.cc b/source/blender/nodes/geometry/nodes/node_geo_input_normal.cc
index 156592c37cd..10de72dc4d5 100644
--- a/source/blender/nodes/geometry/nodes/node_geo_input_normal.cc
+++ b/source/blender/nodes/geometry/nodes/node_geo_input_normal.cc
@@ -179,6 +179,17 @@ class NormalContextFieldSource final : public fn::ContextFieldSource {
     }
     return nullptr;
   }
+
+  uint64_t hash() const override
+  {
+    /* Some random constant hash. */
+    return 669605641;
+  }
+
+  bool is_equal_to(const fn::FieldSource &other) const override
+  {
+    return dynamic_cast<const NormalContextFieldSource *>(&other) != nullptr;
+  }
 };
 
 static void geo_node_input_normal_exec(GeoNodeExecParams params)