GL, SDL, and DGA questions

[scholnik]

So I got a "new" video card (NVidia TNT2 Vanta LT 16MB), installed the
XFree86 4.01 drivers and the kernel module and the OpenGL libraries,
ran the Quake3 demo to make sure it all worked (it did), and the
headed straight to xmame to try out the opengl driver.  I'm guessing
something ain't right, since I'm only getting ~15fps (for most games).
I cleaned out all other libGL.so* files, so it's not using Mesa by
accident, although I did leave behind libGLU.so, since NVidia doesn't
supply one of those (is that glut?).  Can anyone lend me a clue?
(I'll give it right back, I swear.)  Oh, and it's not my machine, I
have a 900MHz Duron.

I had been using SDL with Patrice Mandin's fullscreen patches (which
seem to be broken by b10) in 16bpp mode.  But in 24/32bpp mode it gets
really hosed - looks like an alignment/wordlength problem.  Any
thoughts before I'm forced to read up on SDL?

To continue my whine, under XFree 3.3.x I used DGA, but now that seems
to alternately hang my machine completely, or just give me a permanent
black screen.  Which I gather is a known problem.

thanks,
Dan Scholnik
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