2 files changed, 32 insertions, 2 deletions
diff --git a/src/3rdparty/harfbuzz/src/harfbuzz-shaper.cpp b/src/3rdparty/harfbuzz/src/harfbuzz-shaper.cpp
index af0ee52e9a..f6900325bc 100644
--- a/src/3rdparty/harfbuzz/src/harfbuzz-shaper.cpp
+++ b/src/3rdparty/harfbuzz/src/harfbuzz-shaper.cpp
@@ -995,7 +995,7 @@ static HB_Stream getTableStream(void *font, HB_GetFontTableFunc tableFunc, HB_Ta
     return stream;
 }
 
-HB_Face HB_NewFace(void *font, HB_GetFontTableFunc tableFunc)
+HB_Face HB_AllocFace(void *font, HB_GetFontTableFunc tableFunc)
 {
     HB_Face face = (HB_Face )malloc(sizeof(HB_FaceRec));
     if (!face)
@@ -1012,6 +1012,30 @@ HB_Face HB_NewFace(void *font, HB_GetFontTableFunc tableFunc)
     face->tmpLogClusters = 0;
     face->glyphs_substituted = false;
     face->buffer = 0;
+    face->font_for_init = font;
+    face->get_font_table_func = tableFunc;
+
+    return face;
+}
+
+HB_Face HB_NewFace(void *font, HB_GetFontTableFunc tableFunc)
+{
+    HB_Face face = HB_AllocFace(font, tableFunc);
+    if (face)
+        face = HB_LoadFace(face);
+    return face;
+}
+
+HB_Face HB_LoadFace(HB_Face face)
+{
+    void *font = face->font_for_init;
+    if (!font)
+        return face;
+
+    HB_GetFontTableFunc tableFunc = face->get_font_table_func;
+
+    face->get_font_table_func = 0;
+    face->font_for_init = 0;
 
     HB_Error error = HB_Err_Ok;
     HB_Stream stream;
diff --git a/src/3rdparty/harfbuzz/src/harfbuzz-shaper.h b/src/3rdparty/harfbuzz/src/harfbuzz-shaper.h
index 470e27b6f9..f225a86525 100644
--- a/src/3rdparty/harfbuzz/src/harfbuzz-shaper.h
+++ b/src/3rdparty/harfbuzz/src/harfbuzz-shaper.h
@@ -201,6 +201,8 @@ typedef struct {
     hb_bitfield combiningClass  :8;
 } HB_GlyphAttributes;
 
+typedef HB_Error (*HB_GetFontTableFunc)(void *font, HB_Tag tag, HB_Byte *buffer, HB_UInt *length);
+
 typedef struct HB_FaceRec_ {
     HB_Bool isSymbolFont;
 
@@ -217,11 +219,15 @@ typedef struct HB_FaceRec_ {
     unsigned int *tmpLogClusters;
     int length;
     int orig_nglyphs;
+    void *font_for_init;
+    HB_GetFontTableFunc get_font_table_func;
 } HB_FaceRec;
 
-typedef HB_Error (*HB_GetFontTableFunc)(void *font, HB_Tag tag, HB_Byte *buffer, HB_UInt *length);
+
 
 HB_Face HB_NewFace(void *font, HB_GetFontTableFunc tableFunc);
+HB_Face HB_AllocFace(void *font, HB_GetFontTableFunc tableFunc);
+HB_Face HB_LoadFace(HB_Face face);
 void HB_FreeFace(HB_Face face);
 
 typedef struct {