Set glyph destroy callback (to cleanup OpenGL caches)
This callback is used to tell OpenGL glyph cache that glyph is not more used - to let OpenGL glyph cache delete texture if all glyphs in it are no longer used.
Used for resource management. Usually you don't have to call it manually.
Set glyph destroy callback (to cleanup OpenGL caches) This callback is used to tell OpenGL glyph cache that glyph is not more used - to let OpenGL glyph cache delete texture if all glyphs in it are no longer used.
Used for resource management. Usually you don't have to call it manually.