Commit: f4adb35f28ece4096f19489273601e5327a08e99
Author: Brecht Van Lommel
Date: Fri Aug 6 13:32:19 2021 +0200
Branches: master
https://developer.blender.org/rBf4adb35f28ece4096f19489273601e5327a08e99
Fix T90476: intermittent wrong generated texture coordinates with modifiers
This caused Cycles texture_space_mesh_modifier and panorama_dicing tests to
randomly fail.
The issue was introduced with D11377, due to a missing dependency. Now ensure
we first copy the texture space parameters, and only then use or recompute then.
In general it seems like this dependency should have already been there, since
parameter evaluation includes animation and drivers, and geometry evaluation
may depend on that (even if you would not typically animate e.g. an autosmooth
angle).
Thanks Campbell for tracking this one down.
===================================================================
M source/blender/depsgraph/intern/builder/deg_builder_relations.cc
===================================================================
diff --git a/source/blender/depsgraph/intern/builder/deg_builder_relations.cc
b/source/blender/depsgraph/intern/builder/deg_builder_relations.cc
index c7c6fafa512..7da3d2e25f0 100644
--- a/source/blender/depsgraph/intern/builder/deg_builder_relations.cc
+++ b/source/blender/depsgraph/intern/builder/deg_builder_relations.cc
@@ -2224,6 +2224,11 @@ void
DepsgraphRelationBuilder::build_object_data_geometry_datablock(ID *obdata)
OperationKey obdata_geom_eval_key(obdata, NodeType::GEOMETRY,
OperationCode::GEOMETRY_EVAL);
OperationKey obdata_geom_done_key(obdata, NodeType::GEOMETRY,
OperationCode::GEOMETRY_EVAL_DONE);
add_relation(obdata_geom_eval_key, obdata_geom_done_key, "ObData Geom Eval
Done");
+
+ /* Link object data evaluation to parameter evaluation. */
+ ComponentKey parameters_key(obdata, NodeType::PARAMETERS);
+ add_relation(parameters_key, obdata_geom_eval_key, "ObData Geom Params");
+
/* Type-specific links. */
const ID_Type id_type = GS(obdata->name);
switch (id_type) {
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