James Wright ([EMAIL PROTECTED]):

>    I have recently acquired a notebook and this is the first time I've
>  tried an LCD screen instead of a CRT display. I have some code that
>  tries to find and set a DGA display mode as part of a video
>  initialisation function, and I have noticed that all the modes
>  returned by XDGAQueryModes() have a 0Hz verticalRefresh on the
>  notebook. Can I rely on the verticalRefresh being set to zero with
>  all LCD displays, or is this just some strange side effect? If this
>  behaviour is not intended then I don't see any other way of
>  detecting if we have an LCD display or not. I think we need to know
>  this, as if we have an LCD display we would need to make sure we
>  have a pretty low refreshrate (around 60Hz) whereas on a CRT we
>  just run at whatever the monitor gives us.

  I have a CRT connected to a RH9 machine at work which also does not
give timing information using the XFree86 VidModeExtension.  This
means I cannot estimate its refresh rate, and I think you would get the
same misinformation from DGAQueryModes, but I can check that for you
tomorrow.

  -Billy

_______________________________________________
Devel mailing list
[EMAIL PROTECTED]
http://XFree86.Org/mailman/listinfo/devel

Reply via email to