Re: ATI IXP hardware mixing

[Lee Revell <rlrevell@joe-job.com>]

On Thu, 2006-09-14 at 08:16 -0700, Zephiris wrote:
> Lee Revell wrote:
> 
> > On Thu, 2006-09-14 at 07:19 -0700, Zephiris wrote:
> >> Since people in ALSA devel channel won't answer, I'll have to ask on
> >> mailing-list/newsgroup. I'm trying to get the ATI IXP driver to use
> >> hardware mixing. The hardware supports it, FreeBSD and Windows support
> >> it, and all I want is to know is what to change in the source that needs
> >> to support it, since several glances through the source and brief API
> >> docs, as well as mailing lists, etc, don't reveal effectively nothing
> >> supporting hardware mixing at all.
> > 
> > How do you know the device is capable of hardware mixing?
> > 
> > Lee
> > 
> > 
> Other operating systems support hardware mixing on it. FreeBSD reportedly
> does, Windows definitely does (yay for hardware acceleration of DS/DS3D,
> too; up to 26 streams) and I didn't ask 'if' it does, I asked how to try to
> work with hardware mixing in ALSA. Documentation, general walk-through of
> the steps required in difference to non-hardware mixed, anything, please?
> 
> I've been getting short-changed on answers so far (and was previously
> stonewalled on AU8830 support, back when people in ALSA channels cheerily
> claimed you couldn't get hardware mixing on that, either), and it's getting
> frustrating. I'm not asking for a lecture on "you can't do that because
> it's not status quo", but merely how to implement such changes in the
> source code.

Um... if the device can't do hardware mixing, how can changing the
driver help?

Windows and FreeBSD are using software mixing.

Lee


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