From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Vladimir Dergachev <volodya@mindspring.com>
Cc: Jon Smirl <jonsmirl@gmail.com>, Dave Airlie <airlied@linux.ie>,
DRI Devel <dri-devel@lists.sourceforge.net>,
lkml <linux-kernel@vger.kernel.org>
Subject: Re: Merging DRM and fbdev
Date: Sun, 03 Oct 2004 23:19:24 +0100 [thread overview]
Message-ID: <1096841964.16457.17.camel@localhost.localdomain> (raw)
In-Reply-To: <Pine.LNX.4.61.0410031145560.17248@node2.an-vo.com>
On Sul, 2004-10-03 at 16:50, Vladimir Dergachev wrote:
> In particular, I can contribute the code that does Framebuffer->System Ram
> transfers over PCI/AGP. It is currently GPL licensed, but there is no
> problem if BSD folks want it too.
This will do *wonders* to X render performance if used properly on those
cards we can't do render in hardware.
> This is also potentially useful for any Mesa functions that want to
> transfer data back from video RAM - using plain reads for this is really slow.
Agreed - and Mesa tends to skip even tricks like SSE2 that can quadruple
read performance.
next prev parent reply other threads:[~2004-10-03 23:21 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-10-03 3:55 Merging DRM and fbdev Jon Smirl
2004-10-03 7:26 ` Dave Airlie
2004-10-03 15:33 ` Jon Smirl
2004-10-03 15:50 ` Vladimir Dergachev
2004-10-03 16:24 ` Jon Smirl
2004-10-03 16:59 ` Vladimir Dergachev
2004-10-03 17:55 ` Jon Smirl
2004-10-03 20:37 ` Vladimir Dergachev
2004-10-03 22:42 ` Jon Smirl
2004-10-03 22:16 ` Alan Cox
2004-10-03 22:19 ` Alan Cox [this message]
2004-10-04 1:56 ` Vladimir Dergachev
2004-10-03 18:38 ` Mike Mestnik
2004-10-03 18:56 ` Jon Smirl
2004-10-04 19:48 ` Bill Davidsen
2004-10-03 16:46 ` Jon Smirl
2004-10-04 17:47 ` Tonnerre
2004-10-04 18:42 ` Jon Smirl
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