Re: [Flightgear-devel] Volumetric Clouds

[Fahim D. <dal...@gm...>]

Hi Stuart,

> On 8 Feb 2026, at 5:41 PM, Stuart Buchanan <stu...@gm...> wrote:
> 
> Fahim - what GPU do you have?  It would be useful to have an AMD card as another datapoint.

I’m running Apple’s M4 Max, so its their custom CPU+GPU chip.


> On 9 Feb 2026, at 1:43 AM, Stuart Buchanan <stu...@gm...> wrote:
> 
> FYI - I've just pushed a change that should improve performance significantly.  Thanks to Fernando for the suggestion.


Definitely seeing a good bump in performance!

Baseline (next): 80+ fps
International Standard Atmosphere, no clouds: 33 fps (up from 14 fps)
Core high pressure region (some clouds): 44 fps (up from 28 fps)
Thunderstorm (a lot of clouds): 12 fps (up from 4 fps)

Its still a bit strange why no clouds is worse than some clouds, but probably not as critical to debug right away.

Great work Stuart (and thanks Fernando!)

Best Regards,
Fahim