Technically, I don't think you can actually save out a targa with only 16 colours. Yes, you can index it but its still an 8-bit targa regardless. Had this problem while trying to crunch some textures here at work to reduce filesize and memory usage. Best bet is to go with another filetype that supports 4-bit textures. Feel…
Hey dur23, That's what I ended up doing though I just find that if a deadline is nearing I could use a dithered version of the 256 and fix up areas where it needs to be fixed. I find it works well on some designs not on all. BTW, I made both versions 16 & 256 colors so they could pick which they rather use. Helps me out…