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Re: Cygwin and vertex/pixel programs

On Wed, 15 Oct 2003, Suresh Venkatasubramanian wrote:
> On Wed, 15 Oct 2003, Brian Ford wrote:
> > On Wed, 15 Oct 2003, Suresh Venkatasubramanian wrote:
> > > i have an nvidia graphics card that doesn't yet have linux drivers.
> > > hence, I was considering using cygwin to write my code in windows.
> > >
> > Really?  I thought that all Nvidia cards capable of pixel/vertex shaders
> > had Linux driver support.
> Like in all such cases, the driver support is limited, and currently does
> not work on laptops that use the latest mobile nvidia cards. their desktop
> linux support is quite good though. My problem is that I am using a dell
> 8600 laptop
Ok, didn't know that.  I work mostly in the desktop world.

> > They work.
> That is excellent. Just curious - have you used things like Cg (the nvidia
> hi level shader language) under cygwin as well ?
Nope.  Just hand coded shaders, mostly under ATI.  I don't know why they
wouldn't work, though.

> > You must use Windows wgl windowing code (ie. no X) to get acceleration and
> > native OpenGL DLLs.
> >
> I think I understand. What you saying is that if I want windows and native
> dlls I have to use the wgl... versions of OpenGL rather than writing
> linux-like glx code.

> Thanks a lot. your response really helped.
You're welcome.

Brian Ford
Senior Realtime Software Engineer
VITAL - Visual Simulation Systems
FlightSafety International
Phone: 314-551-8460
Fax:   314-551-8444

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