David Dawes wrote:
>
>
> On Mon, Jan 27, 2003 at 09:52:48PM -0500, Kevin Brosius wrote:
> >I'd like to be able to add/remove an XVideo interface on the fly during
> >mode switches. Is this possible with the existing interface? I don't
> >see anything in the DESIGN doc other than the xf86XVScreenInit()
> >function for setup. The ViRGE doesn't seem capable of XVideo during
> >doublescan modes (320x200), so I'd like to be able to remove the Xv
> >interfaces when in those modes, then re-add them when a compatible mode
> >is switched back in.
>
> I did something similar to this in the i810 driver (the i830 part)
> because there are bandwidth limits for the video overlay on those chips,
> and using the overlay when those limits are exceeded results in a lockup.
> See the SwitchMode{Before,After} bits in i830_video.c and i830_driver.c.
> There are some problems with this quick implementation that I need to
> fix, but it does acheive my main goal of avoiding lockups by using Xv
> in modes where it will cause a lockup.
Yeah, I realized about 10 minutes after sending the mail that removing
the interfaces was a problem, because clients might persist through a
mode switch. I submitted a virge patch that just ignores the overlay
commands when the mode isn't overlay capable. I'll take a look at your
method also. Thanks,
--
Kevin
_______________________________________________
Devel mailing list
[EMAIL PROTECTED]
http://XFree86.Org/mailman/listinfo/devel
