Re: [Flightgear-devel] Performance and Paris

[Thorsten R. <tr...@ph...>]

>> Paris has been a heavy scenery for a long time, but in the
>> latest GIT it
>> seems as if it is becoming unusable. I am getting 9 or 10
>> FPS in
>> multithreading mode. A FGFS version of a couple of months
>> ago dropped my
>> FPS over Paris on the same system to about 12-15.
>> Performance seems to
>> have degraded a little bit.
>
> Paris scenery is not really well done- every texture file has a alpha  
> layer in, even if it is not necessary.
>
> Another cause is the .xml-animation. The more .xml in the scenery the  
> more worse fps is. In my eyes it is a big issue and prevents good and  
> detailed sceneries. Unfortunately that's no bug as I have understood...

To my mind, the issue is not if the scenery is efficiently done or not,  
but that it is handled different by present-dat GIT and by 2.0.0 (or older  
GIT), and that the newer versions become slower even with graphics goodies  
like urban shader are switched off.

I *suspect* this may be related with the performance differences I see  
between local weather running with 2.0.0 or GIT - both Paris and local  
weather having to do with a large number of (non-random) models being  
present in the scenery.

Doesn't help much in terms of a solution though...

Cheers,

* Thorsten