From: "Michel Dänzer" <michel@daenzer.net>
To: Antonino Daplas <adaplas@pol.net>
Cc: James Simmons <jsimmons@infradead.org>,
Fredrik Noring <noring@nocrew.org>,
Linux Fbdev development list
<linux-fbdev-devel@lists.sourceforge.net>
Subject: Re: Vertical retrace interrupts?
Date: 30 Jan 2003 12:45:17 +0100 [thread overview]
Message-ID: <1043927116.7576.40.camel@thor> (raw)
In-Reply-To: <1043893384.1052.127.camel@localhost.localdomain>
On Don, 2003-01-30 at 03:34, Antonino Daplas wrote:
> On Wed, 2003-01-29 at 03:21, James Simmons wrote:
> >
> > > Are there any plans on merging DirectFB features? Stuff like vertical
> > > retrace interrupts etc.?
>
> I wholeheartedly agree with this. There are a lot of applications out
> there (especially video players) where vtrace signal delivery is
> critical for optimum operation. Polling for VGA registers is not
> totally correct for newer cards and is too inefficient, so this has to
> be done at a per driver level.
Let me point out that the DRM in XFree86 4.3.0 and 2.5 kernels has a
generic ioctl which can block or send a signal on vertical blank
interrupts.
--
Earthling Michel Dänzer (MrCooper)/ Debian GNU/Linux (powerpc) developer
XFree86 and DRI project member / CS student, Free Software enthusiast
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next prev parent reply other threads:[~2003-01-30 11:45 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-01-26 1:51 Vertical retrace interrupts? Fredrik Noring
2003-01-28 19:21 ` James Simmons
2003-01-30 2:34 ` Antonino Daplas
2003-01-30 11:45 ` Michel Dänzer [this message]
2003-01-30 23:22 ` Antonino Daplas
2003-01-31 0:16 ` Fredrik Noring
2003-01-31 1:35 ` Antonino Daplas
2003-01-31 11:24 ` Michel Dänzer
2003-01-31 11:55 ` Ville Syrjälä
2003-01-31 18:35 ` Antonino Daplas
2003-01-31 19:12 ` Michel Dänzer
2003-01-31 21:32 ` Sven Luther
2003-01-31 23:34 ` Antonino Daplas
2003-02-01 15:45 ` Michel Dänzer
2003-02-01 16:50 ` Antonino Daplas
2003-02-12 20:21 ` James Simmons
2003-02-12 20:08 ` James Simmons
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