There is no benefit in enabling the pipeline on lower/mid-end Intel chips. 
They're
just too slow - they implement most of the stuff in software, and
are even slower than our own software loops. Not to mention extreme
rendering artifacts.

Only their latest chip (the x3100 family) has HW transforms and lightning
and pixel shader support. But it has a long and sad history of
extremely poor drivers (google around) - they have only recently even enabled 
HW TnL.

The drivers are so bad that they restart the system (XP) or the driver (Vista),
and they're still WAY slower than any Nvidia or ATI board, even from a few
years back. So you are not really losing much by not having the
d3d pipeline enabled on these chips.

Having said that, we're working with Intel folks on addressing at least the 
crashes
if no the performance issues - the latter are always harder to fix.

Dmitri
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