Re: [LAD] [OT] need help from a Qt guru re: slow graphics

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To: <linux-audio-dev@...>
Date: Saturday, May 26, 2012 - 2:25 pm

On 05/26/2012 02:35 PM, Dave Phillips wrote:

jfyi, there have been at least one case of slowness re. qtractor:
Qtractor graphics becomes very slow with many items
http://www.rncbc.org/drupal/node/441

what about switching QT_GRAPHICSSYSTEM=raster (env var) or start with
"-graphicssystem raster" command line option?

on my call and experience it (marginally) boosts rendering performance
somehow, but it scores some artifact side-effects, specially on
composite/opengl/eye-candy/sweetened WM's... as usual, ymmv ;)

cheers
--
rncbc aka Rui Nuno Capela
rncbc@rncbc.org
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Messages in current thread:
[LAD] [OT] need help from a Qt guru re: slow graphics, Dave Phillips, (Sat May 26, 1:35 pm)
Re: [LAD] [OT] need help from a Qt guru re: slow graphics, Rui Nuno Capela, (Sat May 26, 2:25 pm)
Re: [LAD] [OT] need help from a Qt guru re: slow graphics, Dave Phillips, (Sat May 26, 2:40 pm)
Re: [LAD] [OT] need help from a Qt guru re: slow graphics, Rui Nuno Capela, (Sat May 26, 2:46 pm)
Re: [LAD] [OT] need help from a Qt guru re: slow graphics, Rui Nuno Capela, (Sat May 26, 2:33 pm)