# Re: [umax] Can't use 10-bit scan: "preview cannot handle depth 16"

Michael Sweet (mike@easysw.com)
Thu, 07 May 1998 19:57:42 -0400

- Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]
- Next message: Donald Burr: "Re: [umax] using custom gamma table dumps core"
- Previous message: Kenneth Crudup: "Re: [umax] Can't use 10-bit scan: "preview cannot handle depth 16""
- Maybe in reply to: Donald Burr: "[umax] Can't use 10-bit scan: "preview cannot handle depth 16""

Kenneth Crudup wrote:
>
> I know that at least some of the current OpenGL-capable PC graphics
> cards support real 32-bit color information in a variety of
> configurations (RGBA = 8:8:8:8, 10:10:10:2, etc.)
>
> What *is* the "alpha channel", anyway?

It is used for some special effects, and for live video overlay work
you can use it to overlay graphics over video...

    --
    ________________________________________________________________________
     Mike Sweet        Software for SGI and Sun      Easy Software Products
     (301) 373-9603          Workstations          44145 Airport View Drive
     mike@easysw.com    http://www.easysw.com    Hollywood, Maryland  20636

            SUPPORT THE ANTI-SPAM AMENDMENT! - http://www.cauce.org

    --
    Source code, list archive, and docs: http://www.mostang.com/sane/
    To unsubscribe: echo unsubscribe sane-devel | mail majordomo@mostang.com

     Next message: Donald Burr: "Re: [umax] using custom gamma table dumps core"
     Previous message: Kenneth Crudup: "Re: [umax] Can't use 10-bit scan: "preview cannot handle depth 16""
     Maybe in reply to: Donald Burr: "[umax] Can't use 10-bit scan: "preview cannot handle depth 16""