Yes, -force-glcore does fix the issue, but I I had to lower quality to Low to have a respectable frame rate. I have an 27" , 2017 iMac, with the Radeon Pro 580 8 Go. On the exact same machine, same hardware, playing with Mojave is perfect on High. Switching to Big Sur from an external SSD, I get the "polka dots" effect.
Anyways, thanks for the info.
Hi all!
I play on a beefed up iMac 27" (specs below). Prior to Fearless Navigator, I was playing on Ultra. With the new update, on a fresh new game with telemetry on, I had to lower quality down to High. The framerate was very poor. I haven't had time to test with Ultra and turning off telemetry.
Anyone else experienced the issue?
Cheers!
François
Specs:
Model number : iMac18,3
CPU name : Intel Core i7
CPU speed : 4,2 GHz
Number of CPUs : 1
Total cores : 4
LVL2 cache (per core) : 256 Ko
LVL3 cache : 8 Mo
Hyper-Threading : Activé
RAM : 32 Go
Radeon Pro 580 @ 8 Gb, 5120 × 2880
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