Lag when looking in certain direction.

[Iysrvv]

What happened?

Whenever I look at a certain area I lag way more than other directions. I heard it was something about the sun or the moon, but If there is a way to turn off a setting for this, please let me know.

Screenshots

Log output

No response

Minecraft Version

1.20.4

Iris Version

1.20.4-1.6.17

Operating System

Windows 11

What is your GPU?

Nvidia Geforce RTX 2060 SUPER

Additional context

No response

[TheNukeLore]

Multiple factors can affect this, big one is entities and shadows

[Iysrvv]

Yeah, but ive tried on a new world and it still does it.

[Iysrvv]

It happens when I look away from the moon or the sun.

[Iysrvv]

Also I just fixed it by turning off a setting in my shaders, called realtime shadows. The thing is I want my game to have shadows in real time but without the lag.

[TheNukeLore]

Then it’s likely shadows, only fix is disabling shadows.. was typing this as you sent that, there is no fix as it’s just how shadows work.

[Iysrvv]

I saw a comment saying there may be a way around this though.

[schneidva]

Can confirm this bug, i have the same Problem. Its definitly related to the shadows and turning Real time shadows in complementary shaders off (as an example) like @Iysrvv said negates the performance hit. And its definitly the sun/moon position. In some shaders i lose up to 50% of my FPS when looking away from the sun/moon. Also happens when being below bedrock level and looking down. Setup is 5800x/7900xtx.