opengl and borland C++ cause floating point exceptions

Lionel Ulmer lionel.ulmer at
Mon May 20 14:33:18 CDT 2002

On Mon, May 20, 2002 at 01:26:15PM -0400, Ryan C. Stallings wrote:
> 	I am trying to get the neverwinter nights model viewer running under wine.  
> When viewing some models I start to get floating point errors.   I did a 
> quick search on google and came up with the following post.

Yeah, I have the same floating point errors here.

> It looks like Microsoft 
> fixed this incompatibility by wrapping a call to turn off floating point 
> exceptions and then restore the previous mask around each opengl call.  Do I 
> understand the problem correctly?  Does this sound like a resonable fix for 
> wine too?  

You mean than in Windows, at each OpenGL call, the FP exceptions are
masked and re-enabled at the end of the function ? That would seem very
unoptimal. Do you have 'proof' of this :-) ?


		 Lionel Ulmer -

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