Commit: a3457704fb63a59045b093dc4499b43f6676fabb
Author: Hans Goudey
Date: Mon Oct 18 20:13:37 2021 -0500
Branches: master
https://developer.blender.org/rBa3457704fb63a59045b093dc4499b43f6676fabb
Geometry Nodes: De-duplicate index input nodes during evaluation
We do this in other nodes to reduce overhead of using the same node more
than once. I don't think it will make a difference with index nodes
currently, but at least it's consistent.
===================================================================
M source/blender/functions/FN_field.hh
M source/blender/functions/intern/field.cc
===================================================================
diff --git a/source/blender/functions/FN_field.hh
b/source/blender/functions/FN_field.hh
index 2fca78fa6e7..78a49e342a5 100644
--- a/source/blender/functions/FN_field.hh
+++ b/source/blender/functions/FN_field.hh
@@ -421,6 +421,9 @@ class IndexFieldInput final : public FieldInput {
const GVArray *get_varray_for_context(const FieldContext &context,
IndexMask mask,
ResourceScope &scope) const final;
+
+ uint64_t hash() const override;
+ bool is_equal_to(const fn::FieldNode &other) const override;
};
/** \} */
diff --git a/source/blender/functions/intern/field.cc
b/source/blender/functions/intern/field.cc
index 03af3f53065..1f7bad134a8 100644
--- a/source/blender/functions/intern/field.cc
+++ b/source/blender/functions/intern/field.cc
@@ -530,6 +530,17 @@ const GVArray
*IndexFieldInput::get_varray_for_context(const fn::FieldContext &U
mask.min_array_size(), mask.min_array_size(), index_func);
}
+uint64_t IndexFieldInput::hash() const
+{
+ /* Some random constant hash. */
+ return 128736487678;
+}
+
+bool IndexFieldInput::is_equal_to(const fn::FieldNode &other) const
+{
+ return dynamic_cast<const IndexFieldInput *>(&other) != nullptr;
+}
+
/* --------------------------------------------------------------------
* FieldOperation.
*/
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