I just want to know which cards support each of these three declaration types: D3DDTCAPS_UBYTE4N (D3DDECLTYPE_UBYTE4N) D3DDECLTYPE_SHORT4N (D3DDTCAPS_SHORT4N) D3DDTCAPS_FLOAT16_4 (D3DDECLTYPE_FLOAT16_4) to determine which one (or couple) should I support in my engine... __________________________________________________________ Not happy with your email address?. Get the one you really want - millions of new email addresses available now at Yahoo! http://uk.docs.yahoo.com/ymail/new.html