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https://bugs.freedesktop.org/show_bug.cgi?id=8250
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------- Additional Comments From [EMAIL PROTECTED] 2006-12-01 02:52 -------
(In reply to comment #43)
> > but they also use that input - not sure what software mesa tnl does, but the
> > r200 driver never submits that array to the hardware.
>
> I'm not sure what the ATI driver does with these programs, then...??! Is there
> anything else I can try with this? (Does the NVIDIA driver support ARB vertex
> programs?) I thought Mac users ran WoW in OpenGL mode, so if these vertex
> programs are broken then they would all see these problems too?!
Actually, those weight extensions are not that uncommon. It seems with mac os
ARB_vertex_blend is always supported. With pcs, ati supports it with fglrx, and
on some other os ati supports it on every card since rage128... Nvidia instead
support EXT_vertex_weighting since TNT's... So those vertex programs are indeed
legal with these drivers.
> Can we patch the programs "on the fly"? Even if only to see what would happen?
The programs itself aren't that much of a problem, but there are just some bits
missing in mesa when an app tries to use vertex weight array - there isn't even
a pointer available to access it in the vb struct (though the attrib pointer
should do), and it's completely missing from the array cache code. Not sure what
opinions others have to add code that can't be legally used...
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