BMesh: add mesh debug information printing

- Add BM_mesh_debug_print & BM_mesh_debug_info.
- Report flags in Mesh.cd_flag in BKE_mesh_debug_print
- Move custom data printing into customdata.cc (noted as a TODO).

Note that the term "runtime" has been removed from
`BKE_mesh_runtime_debug_print` since these are useful for debugging any
kind of mesh data.

1 files changed, 8 insertions, 0 deletions

diff --git a/source/blender/blenkernel/BKE_customdata.h b/source/blender/blenkernel/BKE_customdata.h
index 17a44274712..00eae2e8e6e 100644
--- a/source/blender/blenkernel/BKE_customdata.h
+++ b/source/blender/blenkernel/BKE_customdata.h
@@ -747,6 +747,14 @@ void CustomData_blend_write(struct BlendWriter *writer,
                             struct ID *id);
 void CustomData_blend_read(struct BlendDataReader *reader, struct CustomData *data, int count);
 
+#ifndef NDEBUG
+struct DynStr;
+/** Use to inspect mesh data when debugging. */
+void CustomData_debug_info_from_layers(const struct CustomData *data,
+                                       const char *indent,
+                                       struct DynStr *dynstr);
+#endif /* NDEBUG */
+
 #ifdef __cplusplus
 }
 #endif