opengl issue

[Dominik Szczerba]

hi,

i just installed cygwin with xfree86 on my ibm laptop a31 with ati 
radeon mobility 7500. i am able to run glxgears and compile my linux 
opengl codes to use windows opengl and glut.

the problem is that I apparently get only software renderer for opengl 
instead of dedicated acceleration (note: I installed IBM display 
drivers) - because glxgears displays only ~400fps, whereas I used to get 
1500fps on the same machine with linux.

is hardware acceleration not there by philosophy of cygwin/xfree86 or I 
can download somewhere proper libraries for cygwin and my gfx card? I 
see /lib/win32/*.a which I link against (-lopengl32 -lglu32 -lglut32), 
but these I guess are shortcuts for software renderer.

I havebt found anything conclusive in docs, only some remarks of using 
windows dll's - maybe that's the way? is there a way I can use hardware 
acceleration that DOES EXIST on the system already?

Any comments would be more than welcome.
Thank you
Dominik


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Dominik Szczerba, Dr.
BIWI/CO-ME, ETZ F85
ETH, Gloriastr. 35
CH-8092 Zurich
http://www.vision.ee.ethz.ch/~domi
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