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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: Demos on graphiccards
- Date: 29 Feb 1996 12:33:29 GMT
- Organization: Technische Universitaet Muenchen, Germany
- Distribution: world
- Message-ID: <4h46ep$j1f@sunsystem5.informatik.tu-muenchen.de>
- References: <17016FE6@hightower.mediaserve.de>
- NNTP-Posting-Host: hphalle3g.informatik.tu-muenchen.de
- Originator: fischerj@hphalle3g.informatik.tu-muenchen.de
-
-
- In article <17016FE6@hightower.mediaserve.de>, Holger_Hippenstiel@hightower.mediaserve.de writes:
- |> Hi Jens !
- |>
- |> pwp> So, wouldn't it be possible to do AGA graphicroutines on a gfxcard ?
- |>
- |> Yes, ofcourse ! Many of this effects are drawn in Chunky-Mode and
- |> then converted to Planar-mode (ZIF etc) ...
- |> I already did some ZIF-alike Texturemapping on my GFX-Card, it's
- |> running in a Window on the Workbench (av 6000 Faces) with
- |> 25FPS (A4060), and there is still Processortime left ... :)
- |>
- |> [I'm using GFX/WriteChunkypixels to draw in the Window]
- |>
- |> pwp> The only speedproblem could be ZII with less than 3.5 MB/s, but is
- |> pwp> the AGA-chipram really faster ??
- |>
- |> Depends on the Screen-depth, with 4 Colors a A4030 or A4060 you get upto
- |> 7.2MB/s (A4040 only 50% of that !), but the most effects run in 64-256
- |> Colors, the Bandwidth reduces the Speed to 3-3.8MB/s (Overscan etc), so
-
- who would run a clon in a small win on hires-overscan ?
- AGA should do about 6mb/sec on a 256 color screen.
- So not "AGA slow". If the story with the 3.5mb/sec of ZII is true,
- then => AGA faster than ZII-card when doing games.
-
- |> overall drawn on a Gfx-Card it will be faster because the C2P-Function is
- |> useless. (And this gives 20-30% more Performance too !)
- |>
- |> Bye,
- |> Holger
- |>
- |> Think Cyber and use EGS !
-
- I would be very happy if they just used writeparr8()...
-
- |>
- |>
- |> --- TeleMail Gold V 1.92 (09.02.1996)
- |> * Origin: mediaserve.de Internet-Gateway/MediaSoft Koenigswinter
- ------------------------------------------------------------------------
- fischerj@Informatik.TU-Muenchen.DE (Juergen "Rally" Fischer) =:)
-
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