[Gtkradiant] Gtkradiant broken after system and drivers upgrade

Jay Dolan jdolan at jdolan.dyndns.org
Mon Oct 29 11:27:09 CDT 2007

Forest `LordHavoc` Hale wrote:
> I have to concur, the DRI drivers haven't had a very good track record.
> I can tell you exactly what that driver error means however:
> older Radeon cards have only the ability to address up to 4096 vertices at a time (an arbitrary number of triangles, but only that many vertices - probably some kind of on-chip vertex transform cache
> is responsible for this limit), GTKRadiant is issuing more than this many vertices in one call.
> The hardware however has configurable base address for vertex arrays, and configurable index bias, this allows it to issue the large draw operation as several smaller ones that do not violate the
> limits of the hardware.
> That error indicates the code for splitting the operations into smaller ones, is broken.
> Report this to the DRI team, it's not a GTKRadiant problem.
> (All other drivers have to deal with this sort of hardware limitation transparently as well, it's not an application error)

I would definitely report that to the DRI team, #dri on 
irc.freenode.net.  They are generally quite interested in fixing these 

Jay Dolan

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