How to render string including characters from multiple language?

[kunaldawn]

Example = "The asd asdasdasd asdada 懶惰的姜貓 কুনাল ডন বাংলা كَمِثلِ الشَمسِ"

[rougier]

You can look at the harfbuzz demo in: https://github.com/rougier/freetype-gl/tree/master/harfbuzz