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- Path: nntp.teleport.com!sschaem
- From: sschaem@teleport.com (Stephan Schaem)
- Newsgroups: comp.sys.amiga.programmer
- Subject: Re: TMapping again!
- Date: 9 Feb 1996 05:45:54 GMT
- Organization: Teleport - Portland's Public Access (503) 220-1016
- Distribution: world
- Message-ID: <4fen2i$eag@maureen.teleport.com>
- References: <4e38rv$9ic@sunsystem5.informatik.tu-muenchen.de> <4f4p95$hj6@oreig.uji.es> <38232328@kone.fipnet.fi>
- NNTP-Posting-Host: julie.teleport.com
- X-Newsreader: TIN [version 1.2 PL2]
-
- Jyrki Saarinen (jsaarinen@kone.fipnet.fi) wrote:
-
- : > Many people keep a table of left and right edges for phong, t-mapping
- : > and all that stuff. This is really necessary on the PC due to the
- : > lack of registers, but on a 68k system you can easily calculate
- : > left and right edges keeping LeftX, RightX, LeftDelta and RightDelta
- : > in registers avoiding some memory accesses. Ok, this is part of the
-
- : Actually this is better on 80x86, too.
-
- What is best on the 80x86? 80x86 does less memory access during
- a tmap polygon loop?
-
- Stephan
-
-