2 files changed, 3 insertions, 2 deletions
diff --git a/source/blender/blenfont/intern/blf_font.c b/source/blender/blenfont/intern/blf_font.c
index 6e2be4a8353..8e306730e3c 100644
--- a/source/blender/blenfont/intern/blf_font.c
+++ b/source/blender/blenfont/intern/blf_font.c
@@ -317,7 +317,8 @@ static GlyphBLF **blf_font_ensure_ascii_table(FontBLF *font, GlyphCacheBLF *gc)
   /* build ascii on demand */
   if (glyph_ascii_table['0'] == NULL) {
     GlyphBLF *g;
-    for (uint i = 0; i < 256; i++) {
+    /* Skip control characters and just cache rendered glyphs for visible ASCII range. */
+    for (uint i = 32; i < 128; i++) {
       g = blf_glyph_search(gc, i);
       if (!g) {
         FT_UInt glyph_index = FT_Get_Char_Index(font->face, i);
diff --git a/source/blender/blenfont/intern/blf_internal_types.h b/source/blender/blenfont/intern/blf_internal_types.h
index 36bb8769306..6816c97321d 100644
--- a/source/blender/blenfont/intern/blf_internal_types.h
+++ b/source/blender/blenfont/intern/blf_internal_types.h
@@ -71,7 +71,7 @@ typedef struct GlyphCacheBLF {
   ListBase bucket[257];
 
   /* fast ascii lookup */
-  struct GlyphBLF *glyph_ascii_table[256];
+  struct GlyphBLF *glyph_ascii_table[128];
 
   /* texture array, to draw the glyphs. */
   GPUTexture *texture;