From mboxrd@z Thu Jan 1 00:00:00 1970 Subject: Re: R128 Scaling. From: Michel =?ISO-8859-1?Q?D=E4nzer?= To: Ani Joshi Cc: Stefan Berndtsson , linuxppc-dev@lists.linuxppc.org In-Reply-To: References: Content-Type: text/plain; charset=ISO-8859-1 Date: 17 Apr 2002 13:54:56 +0200 Message-Id: <1019044496.1617.448.camel@tibook> Mime-Version: 1.0 Sender: owner-linuxppc-dev@lists.linuxppc.org List-Id: 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/