From mboxrd@z Thu Jan 1 00:00:00 1970 From: Michel =?ISO-8859-1?Q?D=E4nzer?= Subject: Re: Vertical retrace interrupts? Date: 30 Jan 2003 12:45:17 +0100 Sender: linux-fbdev-devel-admin@lists.sourceforge.net Message-ID: <1043927116.7576.40.camel@thor> References: <1043893384.1052.127.camel@localhost.localdomain> Mime-Version: 1.0 Content-Transfer-Encoding: quoted-printable Return-path: Received: from netline-be1.netline.ch ([195.141.226.32]) by sc8-sf-list1.sourceforge.net with esmtp (Exim 3.31-VA-mm2 #1 (Debian)) id 18eD8d-0002Ok-00 for ; Thu, 30 Jan 2003 03:45:47 -0800 In-Reply-To: <1043893384.1052.127.camel@localhost.localdomain> Errors-To: linux-fbdev-devel-admin@lists.sourceforge.net List-Help: List-Post: List-Subscribe: , List-Id: List-Unsubscribe: , List-Archive: Content-Type: text/plain; charset="iso-8859-1" To: Antonino Daplas Cc: James Simmons , Fredrik Noring , Linux Fbdev development list On Don, 2003-01-30 at 03:34, Antonino Daplas wrote: > On Wed, 2003-01-29 at 03:21, James Simmons wrote: > >=20 > > > Are there any plans on merging DirectFB features? Stuff like vertical > > > retrace interrupts etc.? >=20 > 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. --=20 Earthling Michel D=E4nzer (MrCooper)/ Debian GNU/Linux (powerpc) developer XFree86 and DRI project member / CS student, Free Software enthusiast ------------------------------------------------------- This SF.NET email is sponsored by: SourceForge Enterprise Edition + IBM + LinuxWorld =3D Something 2 See! http://www.vasoftware.com