Re: 31 level cliptextures
Don Hatch (hatch++at++hell.engr.sgi.com)
Tue, 17 Aug 1999 17:40:59 -0700
On Aug 17, 5:42pm, Wayne Erchak wrote:
> The document "IR Virtual Clipmapping Bugs and Limitations" cites the pfct
> loader as an example of how to get rid of wobbling at levels higher than 24,
> and mentions that viewing cliptextures 31 levels deep is supported with IR6.4
> IR2 patch 2326 (which is now replaced by patch 3594, which is installed on this
> system). As I read it, that implies that perfly (or clipfly) should view
> cliptextures of this size with the patch. I've had no trouble with viewing
> cliptextures up to level 24 with perfly and clipfly, so they both definitely
> support virtual cliptextures.
The document is misleading on this point--
you really need >= Performer 2.2.3 (which
comes with IRIX 6.5.2), which includes some double-precision support,
in order for clipfly and .ct to work on clip textures this big.
Don
--
Don Hatch hatch++at++sgi.com (650) 933-5150 Silicon Graphics, Inc.
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on Tue Aug 17 1999 - 17:42:42 PDT