From: "Michel Dänzer" <michel@daenzer.net>
To: Ani Joshi <ajoshi@shell.unixbox.com>
Cc: Stefan Berndtsson <stefan@nocrew.org>, linuxppc-dev@lists.linuxppc.org
Subject: Re: R128 Scaling.
Date: 17 Apr 2002 13:54:56 +0200 [thread overview]
Message-ID: <1019044496.1617.448.camel@tibook> (raw)
In-Reply-To: <Pine.BSF.4.44.0204162241110.49666-100000@shell.unixbox.com>
On Wed, 2002-04-17 at 07:44, Ani Joshi wrote:
>
> On 16 Apr 2002, Michel [ISO-8859-1] Dänzer wrote:
>
> > Is that with a driver with optimized ImageWrite acceleration? I don't
> > think any stock XFree86 driver is really optimized there yet, I'm
> > working on radeon now and the results should be easily applicable to
> > r128.
>
> There are several that do ImageWrie acceleration. The radeon driver already
> does indirect ImageWrite acceleration (its the same as CPUToScreen color
> expansion).
Which is slower than memcpy for a simple upload. I'm finishing a CP based
implementation which is significantly faster, at least in 16 bit.
--
Earthling Michel Dänzer (MrCooper)/ Debian GNU/Linux (powerpc) developer
XFree86 and DRI project member / CS student, Free Software enthusiast
** Sent via the linuxppc-dev mail list. See http://lists.linuxppc.org/
prev parent reply other threads:[~2002-04-17 11:54 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-04-16 11:49 R128 Scaling Stefan Berndtsson
2002-04-16 12:32 ` Adrian Cox
2002-04-16 12:53 ` Stefan Berndtsson
2002-04-16 13:12 ` Michel Dänzer
2002-04-16 13:55 ` Adrian Cox
2002-04-16 14:01 ` Geert Uytterhoeven
2002-04-16 14:13 ` Adrian Cox
2002-04-16 13:20 ` Michel Dänzer
2002-04-16 13:30 ` Stefan Berndtsson
2002-04-16 13:40 ` Michel Dänzer
2002-04-16 13:46 ` Stefan Berndtsson
2002-04-17 5:44 ` Ani Joshi
2002-04-17 11:54 ` Michel Dänzer [this message]
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