Commit: eaef8d50bc9acf35b279a25a93f9756da30a05ae
Author: Aras Pranckevicius
Date: Mon Jan 2 16:12:17 2023 +0200
Branches: master
https://developer.blender.org/rBeaef8d50bc9acf35b279a25a93f9756da30a05ae
Fix T102672: OBJ exporter "material groups" option wrong for objects with >32k
faces
Turns out, using the wrong output buffer (global one, instead of
per-thread one) puts the data into the wrong buffer! Fixes T102672
===================================================================
M source/blender/io/wavefront_obj/exporter/obj_export_file_writer.cc
===================================================================
diff --git a/source/blender/io/wavefront_obj/exporter/obj_export_file_writer.cc
b/source/blender/io/wavefront_obj/exporter/obj_export_file_writer.cc
index 909c179dda3..ec09a145f1b 100644
--- a/source/blender/io/wavefront_obj/exporter/obj_export_file_writer.cc
+++ b/source/blender/io/wavefront_obj/exporter/obj_export_file_writer.cc
@@ -392,7 +392,7 @@ void OBJWriter::write_poly_elements(FormatHandler &fh,
if (export_params_.export_material_groups) {
std::string object_name = obj_mesh_data.get_object_name();
spaces_to_underscores(object_name);
- fh.write_obj_group(object_name + "_" + mat_name);
+ buf.write_obj_group(object_name + "_" + mat_name);
}
buf.write_obj_usemtl(mat_name);
}
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