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- Path: informatik.tu-muenchen.de!fischerj
- From: fischerj@informatik.tu-muenchen.de (Juergen "Rally" Fischer)
- Newsgroups: comp.sys.amiga.programmer
- Subject: Re: No waitTOF under CyberGraphX!
- Date: 7 Mar 1996 16:08:56 GMT
- Organization: Technische Universitaet Muenchen, Germany
- Distribution: world
- Message-ID: <4hn1mo$j4h@sunsystem5.informatik.tu-muenchen.de>
- References: <313C4157.7806@plea.se> <56000505736478572152@BIRDLAND>
- NNTP-Posting-Host: hphalle5.informatik.tu-muenchen.de
- Originator: fischerj@hphalle5.informatik.tu-muenchen.de
-
-
- In article <56000505736478572152@BIRDLAND>, magicsn@birdland.es.bawue.de (Steffen Haeuser) writes:
- |>
- |> info%plea.se@INTERNET wrote :
- |>
- |> >
- |> > Peter Elzner wrote:
- |> >>
- |> >> jonas@plea.se (Jonas Elfstrom) wrote:
- |> >>
- |> >> > > Use the timer.device and hope to hell you get your rendering done
- |> >> > > fast enough to avoid visual effects. No graphics card I know of propagates
- |> >> > > sync signals to the API level.
- |> >> >
- |> >> > But how do I find the Vertical Blanking phase? I do not want to
- |> >> > move graphics around while the beam is there... (flickers to much)
- |> >>
- |> >> Double-buffering.
- |> >> One part of the screen is visible while you are drawing to the other part.
- |> >> Then you swap the screens and start again...
- |> >
- |> > And how do the double-buffering routines know that the beam
- |> > isn't passing by just as it swaps screen? Or does the swap screen
- |> > thing always sync with vertical blanking?
- |>
- |> In using the DBuffering stuff supported by CyberGraphX (ScrollVPort)
-
- what ? scrollvport is vbl-syncing ? whatabout that changescreenbuffer() and
- that signal telling "buffer was shown at least one frame" ?
-
- Anyone got a OS3 buffering code to test on gfx-cards ?
-
- If they don't work someone should kick the gfx-card producers ass...
-
- |>
- |> Steffen Haeuser
- ------------------------------------------------------------------------
- fischerj@Informatik.TU-Muenchen.DE (Juergen "Rally" Fischer) =:)
-
-