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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: doubling pixels horizontally
- Date: 5 Mar 1996 14:47:48 GMT
- Organization: Technische Universitaet Muenchen, Germany
- Distribution: world
- Message-ID: <4hhk6k$5s6@sunsystem5.informatik.tu-muenchen.de>
- References: <782.6637T801T2378@dk-online.dk> <784.6637T1302T1269@ifi.uio.no>
- NNTP-Posting-Host: hphalle6g.informatik.tu-muenchen.de
- Originator: fischerj@hphalle6g.informatik.tu-muenchen.de
-
-
- In article <784.6637T1302T1269@ifi.uio.no>, ludvigp@ifi.uio.no (Ludvig Pedersen) writes:
- |> Organization: Dept. of Informatics, University of Oslo, Norway
- |> Lines: 19
- |> Message-ID: <784.6637T1302T1269@ifi.uio.no>
- |> References: <782.6637T801T2378@dk-online.dk>
- |> NNTP-Posting-Host: gymir.ifi.uio.no
- |> X-Newsreader: THOR 2.22 (Amiga;TCP/IP)
- |>
- |> >> Is this slow?
- |> >> ChangeVPBitMap(&MyScreen->ViewPort, ActiveBM, MyDBI);
- |> >No I don't think so... I tryed to use Snoopy on ChangeScreenBuffer() ( which
- |> >use ChangeVPBitMap(), and is the right way to make multi-buffering with
- |> >intuition screens). I also had Snoopy to notify me if MrgCop() or MakeVPort()
- |> >where called. When ChangeScreenBuffer is called the other two is not called.
- |> >So what I think happens when you call ChangeVPBitMap() is that i updates the
- |> >actual copperlist directly, and this is faaasst compared to the old way
- |> >(before OS3+ ) of multi-buffering!
-
- So does this include the change to a new ucopl or not ?
-
- |> >btw. I also found out that NemacIV use ChangeScreenBuffer() - way to go!!!
- |>
- |> hmm...ok, I'll look at it. Thanks! :-)
-
- Ludde, do you poke in to system-coplists to get ghost laced ?
-
- |>
- |>
- |>
- |> <sb>Ludde - Amiga Demo Coder
- |> <sb>Virtual Reality & Official Be developer
- |> <sb>ludvigp@ifi.uio.no
- |>
- ------------------------------------------------------------------------
- fischerj@Informatik.TU-Muenchen.DE (Juergen "Rally" Fischer) =:)
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