[Bug 29144] skyrim freeze starting new game with ati/catalyst

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=29144

--- Comment #26 from Martín Perazzo <rechapita at hotmail.com> 2012-01-16 11:05:16 CST ---
(In reply to comment #16)
> I have occasional contact with AMD and was about to file a bug in their
> official Bugzilla. I didn't hit the submit button when I realized that their
> only options are violating the GL_NV_half_float spec(which would be hacky) or
> writing a new extension(which I consider an overkill for the legacy immediate
> mode functions).
> 
> I'd say GL_ARB_instanced_arrays is the best way to go if we want to avoid the
> extra type conversion.

I would like a little bit of info on this.
Seems converting to normal floats and using glVertexAttrib4fARB is increasing
the bandwith traffic to the graphic card far too much causing a huge
performance hit relative to nvidia cards.

dumb question: why GL_ARB_half_float_vertex is not usable in this case?

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