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- Path: news-m01.ny.us.ibm.net!usenet
- From: geohei@ibm.net (Georges Heinesch)
- Newsgroups: comp.sys.amiga.graphics,comp.sys.amiga.hardware
- Subject: Re: Cybervision 16 and 24 bit modes
- Date: 5 Mar 1996 10:02:58 GMT
- Message-ID: <1129.6638T638T1146@ibm.net>
- References: <4h6tso$10et@rs18.hrz.th-darmstadt.de>
- NNTP-Posting-Host: slip139-92-41-49.ut.nl.ibm.net
- X-Newsreader: THOR 2.22 (Amiga;TCP/IP)
-
- In a message of 01-Mar-96 14:25:44, Niels Knoop wrote:
-
- >> Draw pixel from my machine is 29000 pixels/sec (like Picasso :-((()
-
- NK> That's no surprise. Functions like drawing pixels, circles etc. are
- NK> performed by the CPU and therefore aren't accelerated by the Cybervision.
- NK> It should still be faster than on a Picasso with 030/25 because of the
- NK> faster Zorro-III bus, but not too much. Even high-end boards with VRAM,
- NK> if they should come out, couldn't improve this.
-
- NK> But don't worry: These functions are nearly completley irrelevant in
- NK> normal use. What really counts is the speed of window functions (high
- NK> due to Cybergraphics), data transfer (high due to Zorro-III bus) and
- NK> scrolling (high due to the fast blitter).
-
- So if got this right ... the CV64/4 can't display 1024x768 16/24 Bit
- without a trembling right screen on an A3000/25 (unaccelerated). I have
- this effect with ImageFX and Photogenics, making these modi unusable.
-
- Cu
-
- --
- Georges Heinesch, Luxembourg
- geohei@ibm.net
- PGP 2.6.3i public key available on request and on public servers
-
- ... because water just isn't wet enough !
-
-