[RFI]Mac performance gap between OS-9 and OSX

Nevin Pratt nevin at smalltalkpro.com
Tue Aug 5 20:39:47 UTC 2003



Andreas Raab wrote:

>>> On Tuesday, August 5, 2003, at 11:11  AM, Nevin Pratt wrote:
>>>
>>>> Of course, OS/X is the latest incarnation of NeXTSTEP.  And, in 
>>>> the  good ol' NeXTSTEP days, there was a kit/library available that 
>>>> would  bypass the NeXTSTEP Display Postscript primitives (with 
>>>> OS/X, that  would be the Quartz stuff, I guess) and render directly 
>>>> to the  framebuffer.  Without such bypassing, graphically intensive 
>>>> apps ran  excrutiatingly slow. Nevin 
>>>
>>> Yes but as mentioned there doesn't seem to be a way to get around 
>>> all  the Quartz stuff. Perhaps open/gl? but an easy solution I've 
>>> not yet discovered, open of course to  suggestions... -- 
>>> ======================================================================== 
>>> === John M. McIntosh <johnmci at smalltalkconsulting.com> 
>>> 1-800-477-2659 Corporate Smalltalk Consulting Ltd.  
>>> http://www.smalltalkconsulting.com 
>>> ======================================================================== 
>>> === 
>>
>This problem has been discussed various times on the Apple Game developers
>mailing list. Check out the archives at
>http://lists.apple.com/mailman/listinfo/mac-games-dev (I remember that there
>has been a discussion about it not too long ago and various others in the
>past).
>
>Cheers,
>  - Andreas
>  
>

If I recall my NeXTSTEP history correctly, it was the Quake folks that 
came up with the bypass code for NeXTSTEP.  It wasn't NeXT that did 
that.  So, Andreas' suggestion to check out what the Apple Game 
developers are doing sounds right.

Nevin


-- 
Nevin Pratt
Bountiful Baby
http://www.bountifulbaby.com
(801) 992-3137





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