1 files changed, 31 insertions, 8 deletions

diff --git a/thirdparty/harfbuzz/src/hb-subset-plan.hh b/thirdparty/harfbuzz/src/hb-subset-plan.hh
index 15fabba9c3..1b2aee7825 100644
--- a/thirdparty/harfbuzz/src/hb-subset-plan.hh
+++ b/thirdparty/harfbuzz/src/hb-subset-plan.hh
@@ -87,6 +87,18 @@ struct hb_subset_plan_t
     hb_hashmap_destroy (vmtx_map);
     hb_hashmap_destroy (layout_variation_idx_delta_map);
 
+#ifdef HB_EXPERIMENTAL_API
+    if (name_table_overrides)
+    {
+      for (auto _ : *name_table_overrides)
+        _.second.fini ();
+    }
+    hb_hashmap_destroy (name_table_overrides);
+#endif
+
+    if (inprogress_accelerator)
+      hb_subset_accelerator_t::destroy ((void*) inprogress_accelerator);
+
     if (user_axes_location)
     {
       hb_object_destroy (user_axes_location);
@@ -99,10 +111,11 @@ struct hb_subset_plan_t
   bool successful;
   unsigned flags;
   bool attach_accelerator_data = false;
+  bool force_long_loca = false;
 
   // For each cp that we'd like to retain maps to the corresponding gid.
   hb_set_t *unicodes;
-  hb_vector_t<hb_pair_t<hb_codepoint_t, hb_codepoint_t>> unicode_to_new_gid_list;
+  hb_sorted_vector_t<hb_pair_t<hb_codepoint_t, hb_codepoint_t>> unicode_to_new_gid_list;
 
   // name_ids we would like to retain
   hb_set_t *name_ids;
@@ -185,31 +198,41 @@ struct hb_subset_plan_t
   hb_map_t *axes_old_index_tag_map;
   bool all_axes_pinned;
   bool pinned_at_default;
+  bool has_seac;
 
   //hmtx metrics map: new gid->(advance, lsb)
   hb_hashmap_t<unsigned, hb_pair_t<unsigned, int>> *hmtx_map;
   //vmtx metrics map: new gid->(advance, lsb)
   hb_hashmap_t<unsigned, hb_pair_t<unsigned, int>> *vmtx_map;
 
+#ifdef HB_EXPERIMENTAL_API
+  // name table overrides map: hb_ot_name_record_ids_t-> name string new value or
+  // None to indicate should remove
+  hb_hashmap_t<hb_ot_name_record_ids_t, hb_bytes_t> *name_table_overrides;
+#endif
+
   const hb_subset_accelerator_t* accelerator;
+  hb_subset_accelerator_t* inprogress_accelerator;
 
  public:
 
   template<typename T>
   hb_blob_ptr_t<T> source_table()
   {
-    if (sanitized_table_cache
-        && !sanitized_table_cache->in_error ()
-        && sanitized_table_cache->has (T::tableTag)) {
-      return hb_blob_reference (sanitized_table_cache->get (T::tableTag).get ());
+    hb_lock_t (accelerator ? &accelerator->sanitized_table_cache_lock : nullptr);
+
+    auto *cache = accelerator ? &accelerator->sanitized_table_cache : sanitized_table_cache;
+    if (cache
+        && !cache->in_error ()
+        && cache->has (+T::tableTag)) {
+      return hb_blob_reference (cache->get (+T::tableTag).get ());
     }
 
     hb::unique_ptr<hb_blob_t> table_blob {hb_sanitize_context_t ().reference_table<T> (source)};
     hb_blob_t* ret = hb_blob_reference (table_blob.get ());
 
-    if (likely (sanitized_table_cache))
-      sanitized_table_cache->set (T::tableTag,
-                                  std::move (table_blob));
+    if (likely (cache))
+      cache->set (+T::tableTag, std::move (table_blob));
 
     return ret;
   }