Is it possible to use a standalone bitmap as an alpha channel or must it be part of a 32-bit file?
At the moment it must be in the same texture. Unless, of course, you only need the alpha channel - then you just use Alpha8 texture format.
Is it possible to use a standalone bitmap as an alpha channel or must it be part of a 32-bit file?
At the moment it must be in the same texture. Unless, of course, you only need the alpha channel - then you just use Alpha8 texture format.