On Mon, 09 Sep 2013 13:42:06 +0200, Erik wrote in message <522db40e.5050...@ehofman.com>:
> On 09/09/2013 12:59 PM, Renk Thorsten wrote: > > > > A report of performance dramatically improving for advanced weather > > when 3d clouds are switched off in the rendering menu (you still > > get to see 3d clouds) > > > > http://www.flightgear.org/forums/viewtopic.php?f=69&t=16630&start=30#p189983 > > > > I've played around with this, and I can't reproduce any significant > > framerate difference. It is true that the cloud effect file doesn't > > condition on the 3d cloud switch at all, so Advanced Weather > > generates 3d clouds no matter what you select here (it can't do 2d > > clouds at all) - which may be a little confusing, but I have no > > good idea how to handle this gracefully. Maybe the switch should go > > away from rendering to the Basic Weather GUI? But that's a side > > issue. > > > > I have no idea where any performance increase might be coming from > > though - as far as I know, the shaders are completely unaware of > > this. Can anyone reproduce the finding? Stuart, any idea where this > > could come from? > > I was testing anyhow so I did a quick test. I don't see any > improvement either. What (I think) can happen is that older (fgrun) > config files could cause bad behaviour, especially when properties > change function between FlightGear versions (for instance the effects > level slider). ..another test case suggestion: if you have a radeon card, pop that in and see how it looks with that, if you don't have a radeon card, try swap out "nvidea" for "nouveau" in your /etc/X11/xorg.conf and install your distro's nouveau and libdrm-nouveau2 etc drivers alongside your nvidea drivers and chk framerates etc there: arnt@celsius:~$ dpkg -l |grep nouveau |fmt -tu ii libdrm-nouveau2:amd64 2.4.46-2 amd64 Userspace interface to nouveau-specific kernel DRM services -- runtime ii xserver-xorg-video-nouveau 1:1.0.9-2 amd64 X.Org X server -- Nouveau display driver arnt@celsius:~$ -- ..med vennlig hilsen = with Kind Regards from Arnt Karlsen ...with a number of polar bear hunters in his ancestry... Scenarios always come in sets of three: best case, worst case, and just in case. ------------------------------------------------------------------------------ How ServiceNow helps IT people transform IT departments: 1. Consolidate legacy IT systems to a single system of record for IT 2. Standardize and globalize service processes across IT 3. Implement zero-touch automation to replace manual, redundant tasks http://pubads.g.doubleclick.net/gampad/clk?id=51271111&iu=/4140/ostg.clktrk _______________________________________________ Flightgear-devel mailing list Flightgear-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/flightgear-devel
