[Ardour-Users] ardour 4 // slow graphical interface
Alex Rodriguez Lopez
aliksandr at gmail.com
Sun May 10 12:34:14 PDT 2015
In my case I didn't get any performance improvement using IMAGE_SURFACE=1,
and I still get better graphics using Radeon XAA acceleration with ardour
process using 100% CPU and xorg using 20%
Em 04/05/2015 10:41, "Alex Lopez" <aliksandr at gmail.com> escreveu:
> I'm using Ardour 4.0.0 with a Radeon Mobility X1600 using radeon open
> source driver in Xorg 1.12.4, running kernel 3.12.19avl2-pae (AVLinux 6.04).
> If I use radeon with EXA (so I have radeon.modeset=1, using KMS), Ardour 4
> graphics are slow and I notice a high (50%) processor use by xorg process.
> If I use radeon.modeset=0, xorg seems to load the driver radeon but using
> the older acceleration architecture I believe
> [ 20.482] (==) RADEON(0): Using XAA acceleration architecture
> [ 20.482] (II) Loading sub module "xaa"
> [ 20.482] (II) LoadModule: "xaa"
> [ 20.482] (II) Loading /usr/lib/xorg/modules/libxaa.so
> [ 20.501] (II) Module xaa: vendor="X.Org Foundation"
> [ 20.501] compiled for 1.12.4, module version = 1.2.1
> [ 20.501] ABI class: X.Org Video Driver, version 12.1
> and actually the Ardour process uses more CPU (and xorg process, less),
> but the graphics and overall user experience is far smoother.
> This is strange since I believed radeon driver should work better using
> EXA which enables render acceleration (although I don't really understand
> what this implies).
> Well I suspect that I could be getting still far better performance if I'm
> able to correctly configure my driver (or xorg) or use proprietary drivers
> (but I don't know I there is still support for my -now- old card). Will I
> get better performance using the nightly build with ARDOUR_IMAGE_SURFACE=1?
> I think I'm going to try it out and report here.
> On 04/25/2015 05:29 PM, Neil wrote:
> On Fri, Apr 24, 2015 at 5:33 PM, Chris Caudle <chris at chriscaudle.org>
>> That is with x.org X version 1.17, which may not be available in your
>> distribution. I run Fedora, which usually stays pretty up to date, and
>> the latest release has 1.16. The beta for the next release (22) just came
>> out, and it has 1.17 in the repositories, so Fedora users will be able to
>> use 1.17 and Mesa 10.5.0 next month. Extrapolate accordingly based on the
>> release schedule for your favorite distribution.
> I'm using LInux Mint Debian. Looks like we are rather behind Fedora.
> My libglapi-mesa is 9.2.2-1. xdpyinfo says X.org is 1.14.3.
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