UE 4.22.1 DX12 UI flickers and become unusable

Development Rendering
, , , ,
1

Hey guys,
When trying out the new raytracing feature the editor becomes nearly unusable after switching to dx12. Whenever my mouse opens a menu or clicks somewhere the screen flickers like crazy and menus randomly look magnified. But generally the raytracing does work, I could activate it and see it in my scene.
I followed these instructions:

Have the newsest windows 10 1809 version and the nvidia creators driver 419.67
UE 4.22.1
GPU: RTX 2080 ti
CPU: AMD Threadripper 2990

What can I do to solve the problem?

Best regards,
Olaf

276279-59631252-10213063456612836-722999826647613440-o.jpg
276279-59631252-10213063456612836-722999826647613440-o.jpg1000×597 29.1 KB

2

I’ve tried to disable the tooltips and to start the editor with and without -dx12. And I disabled Afterburner. It doesn’t help.

3

Disabeling the SLI in the nvidia panel solved the problem.
Thanks to DX12 launch causes labels to fill entire screen? - Rendering - Unreal Engine Forums

4

If anyone else has this issue and does NOT have an SLI setup to disable…

Check G-Sync. I went through three different drivers, turned off ray tracing in my project… everything. Disabled G-Sync, fixed! Just need to re-enable ray tracing now and wait for 4000 shaders to compile. FML.

FYI, this is an RTX2070 equipped laptop with a G-Sync capable screen.

1 Like