diff options
Diffstat (limited to 'source/blender/io/wavefront_obj/exporter/obj_export_file_writer.cc')
| -rw-r--r-- | source/blender/io/wavefront_obj/exporter/obj_export_file_writer.cc | 11 |
1 files changed, 9 insertions, 2 deletions
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 f78ef334d4d..96b342252c4 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 @@ -9,6 +9,7 @@ #include "BKE_blender_version.h" +#include "BLI_enumerable_thread_specific.hh" #include "BLI_path_util.h" #include "BLI_task.hh" @@ -308,6 +309,9 @@ void OBJWriter::write_poly_elements(FormatHandler<eFileType::OBJ> &fh, obj_mesh_data.tot_uv_vertices()); const int tot_polygons = obj_mesh_data.tot_polygons(); + const int tot_deform_groups = obj_mesh_data.tot_deform_groups(); + threading::EnumerableThreadSpecific<Vector<float>> group_weights; + obj_parallel_chunked_output(fh, tot_polygons, [&](FormatHandler<eFileType::OBJ> &buf, int idx) { /* Polygon order for writing into the file is not necessarily the same * as order in the mesh; it will be sorted by material indices. Remap current @@ -330,9 +334,12 @@ void OBJWriter::write_poly_elements(FormatHandler<eFileType::OBJ> &fh, /* Write vertex group if different from previous. */ if (export_params_.export_vertex_groups) { + Vector<float> &local_weights = group_weights.local(); + local_weights.resize(tot_deform_groups); const int16_t prev_group = idx == 0 ? NEGATIVE_INIT : - obj_mesh_data.get_poly_deform_group_index(prev_i); - const int16_t group = obj_mesh_data.get_poly_deform_group_index(i); + obj_mesh_data.get_poly_deform_group_index( + prev_i, local_weights); + const int16_t group = obj_mesh_data.get_poly_deform_group_index(i, local_weights); if (group != prev_group) { buf.write<eOBJSyntaxElement::object_group>( group == NOT_FOUND ? DEFORM_GROUP_DISABLED : |