Hi all,
On Tue, May 5, 2009 at 12:32 PM, Gerrit Voß <[email protected]> wrote:
>
> Hi,
>
> On Tue, 2009-05-05 at 07:28 +0200, Christoph Schäfer wrote:
>> Hi,
>>
>> recently I ran into a problem after compiling OpenSG2 for the x64
>> plattform. I get a debug assertion in
>> OSGDrawable_d.dll!OSG::exactinit() line 730 when I try to run any
>> example drawing anything. The examples not drawing anything work fine...
>> Any ideas? I used x64 dependencies for the build, so this should not be
>> the problem.
>
> looks like we run into the following (from msdn):
>
> On the x64 architecture, changing the floating point precision is not
> supported. If the precision control mask is used on that platform, an
> assertion and the invalid parameter handler is invoked, as described in
> Parameter Validation.
>
> I'll see that I can make sure it is not used for x64.
the exactinit() stuff is only used by the tessellator so it shouldn't
matter too much. But since it's been there for quite a while (AFAIK
Carsten ported the NURBS-stuff to OpenSG2 sometime end of last year) I
wonder why noone was hit by this before. I also wonder then how can
you set your fp precision preferences in 64 bit mode. :)
bye,
Ákos
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