Sculpt: Add debug code to print sculpt undo stack.

2 files changed, 30 insertions, 0 deletions

diff --git a/source/blender/bmesh/intern/bmesh_log.c b/source/blender/bmesh/intern/bmesh_log.c
index 04ad80214c2..dcfe53605a6 100644
--- a/source/blender/bmesh/intern/bmesh_log.c
+++ b/source/blender/bmesh/intern/bmesh_log.c
@@ -1003,3 +1003,31 @@ void bm_log_print(const BMLog *log, const char *description)
   }
 }
 #endif
+
+void BM_log_print_entry(BMesh *bm, BMLogEntry *entry)
+{
+  if (bm) {
+    printf("BM { totvert=%d totedge=%d totloop=%d totpoly=%d\n",
+           bm->totvert,
+           bm->totedge,
+           bm->totloop,
+           bm->totface);
+
+    if (!bm->totvert) {
+      printf("%s: Warning: empty bmesh\n", __func__);
+    }
+  }
+  else {
+    printf("BM { totvert=unknown totedge=unknown totloop=unknown totpoly=unknown\n");
+  }
+
+  printf("v | added: %d, removed: %d, modified: %d\n",
+         BLI_ghash_len(entry->added_verts),
+         BLI_ghash_len(entry->deleted_verts),
+         BLI_ghash_len(entry->modified_verts));
+  printf("f | added: %d, removed: %d, modified: %d\n",
+         BLI_ghash_len(entry->added_faces),
+         BLI_ghash_len(entry->deleted_faces),
+         BLI_ghash_len(entry->modified_faces));
+  printf("}\n");
+}
diff --git a/source/blender/bmesh/intern/bmesh_log.h b/source/blender/bmesh/intern/bmesh_log.h
index 75ff54c7d46..8c9db9c66e7 100644
--- a/source/blender/bmesh/intern/bmesh_log.h
+++ b/source/blender/bmesh/intern/bmesh_log.h
@@ -206,3 +206,5 @@ void BM_log_original_vert_data(BMLog *log, BMVert *v, const float **r_co, const
 BMLogEntry *BM_log_current_entry(BMLog *log);
 /** For internal use only (unit testing) */
 struct RangeTreeUInt *BM_log_unused_ids(BMLog *log);
+
+void BM_log_print_entry(BMesh *bm, BMLogEntry *entry);