[tuhopuu-devel] Mac OS X / backbuf

[Robert Wenzlaff]

On Friday 05 December 2003 04:45, Matt Ebb wrote:
> I looked through the tracker, but couldn't find exactly what the
> backbuf bug was, so it 's a bit hard to test it :). I just tried
> rendering an image with backbuf here on OS X 10.3 and it seemed to work
> fine. Is that it?
>

Backbuff with Unified Render off caused hang on _some_ compilers.  It's an 
optimzation problem with some tricky code ( inner while loop rendercore.c, 
near line 328).  

Some compilers grok that *sp changes when ofs is modified, some don't and 
optimize *sp to a constant and the loop never terminates.
-- 
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Robert Wenzlaff       rwenzlaff@soylent-green.com