From: James Courtier-D. <Ja...@su...> - 2003-10-18 17:56:56
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Robin KAY wrote: > James Courtier-Dutton wrote: > >> the transparency in the trans table. > > > Speaking of which, why are the transparency values stored in a table of > their own rather than packed into clut_t with the rest of the colour data? > No reason. Just fits easier with DVD SPUs, which is what the overlay code was originally designed for, but making the trans and clut table a single table should be easy enough. 3 bytes for RGB or YCrCb and 1 byte for alpha, making a total of 32 bits. Cheers James |