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- From: magicsn@birdland.es.bawue.de (Steffen Haeuser)
- Path: eisbaer.bb.bawue.de!birdland.es.bawue.de
- Newsgroups: comp.sys.amiga.programmer
- Message-ID: <56000505736478572152@BIRDLAND>
- References: <313C4157.7806@plea.se>
- X-Mailer: fastnet2rfc V2.0 - (tse) Lunqual%MAB@wsb.freinet.de / Tachy@wsb.freinet.de
- Organization: Birdland BBS, Dettingen/Teck, South Germany, +49-7021-862428
- Content-Type: text/plain; charset=ISO-8859-1
- Subject: Re: No waitTOF under CyberGraphX!
- Date: 06 Mar 1996 10:37:37
-
-
- 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)
-
- Steffen Haeuser
-