Hi Jonathan, hi Andreas,
On Thu, 2005-03-24 at 16:24 +0100, Andreas Zieringer wrote:
> Hi Jonathan,
>
> I also tried it on a other windows machine with a fx 5900 and it looks
> fine but on a linux machine with a fx 1100 I can reproduce the render
> bug. Looks like a linux related driver problem?
Andreas sent me the file, so I could reproduce the problem. It's a
problem that doesn't show up on Windows, but it's not a driver problem.
The SHLParameterChunk depends on the Program being active, otherwise
parameter setting fails (and throws an OpenGL error). In the current
setup that depends on the initialization order of the StateChunks and is
therefore platform-dependent and unreliable. I fixed the problem with
the following patch:
diff -u -3 -p -r1.3 OSGSHLParameterChunk.inl
--- OSGSHLParameterChunk.inl 2 Sep 2004 13:43:54 -0000 1.3
+++ OSGSHLParameterChunk.inl 24 Mar 2005 17:38:15 -0000
@@ -53,7 +53,7 @@ void SHLParameterChunk::updateParameters
return;
}
- shl->updateParameters(win, getParameters(), false, true);
+ shl->updateParameters(win, getParameters(), true, true);
}
OSG_END_NAMESPACE
That might have some performance implications, but I'm not worried about
that very much right now.
Jonathan, can you try that fix? If it works for you I'll submit it.
Dirk
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