Texture scaling (bicubic needed)

Blitz3D Forums/Blitz3D Programming/Texture scaling (bicubic needed)

FlagDKT(Posted 2008) [#1]
Did anyone write a bicubic interpolation for image/texture scaling?
I need to manage the texture detail in my game.
I could use hardware bilinear in some way, but the result wouldn't be as good as the bicubic(the one Photoshop uses).