"SimRail" game terrain display issue

P

pemoz

Member
Hello,

I've installed "SimRail - The Railway Simulator: Prologue" (the free demo for SimRail on Steam), and I've run into a strange graphical issue.
The entire terrain is invisible. Chunks of it only turn visible when turning the camera down to face it.

Screenshot_2024-04-16_at_11.54.38.png

Screenshot_2024-04-16_at_11.55.26.png


I think this is the same issue that appears in Derail Valley with its terrain (which is also a game made in Unity).
Does anyone know something I can try to fix this?

Technical report ID is: 456828025
Windows 11 VM (on an Apple M2 Mac Studio)

Thank you,
- pemoz
 
pemoz said:
Hello,

I've installed "SimRail - The Railway Simulator: Prologue" (the free demo for SimRail on Steam), and I've run into a strange graphical issue.
The entire terrain is invisible. Chunks of it only turn visible when turning the camera down to face it.

Screenshot_2024-04-16_at_11.54.38.png

Screenshot_2024-04-16_at_11.55.26.png


I think this is the same issue that appears in Derail Valley with its terrain (which is also a game made in Unity).
Does anyone know something I can try to fix this?

Technical report ID is: 456828025
Windows 11 VM (on an Apple M2 Mac Studio)

Thank you,
- pemoz
Click to expand...
Hello,
As a possible solution, kindly follow the below steps:
1. Shut down the Virtual Machine. Make sure that the virtual machine is shut down. If it is in a suspended state, please run it and then shut down (Actions > Shut Down).
2. Open the Virtual Machine's Configuration (https://kb.parallels.com/117287) > Hardware > Boot Order > Advanced Settings > Boot flags.
3. Paste the following text in the "Boot flags" field:
video.dx_profile=11
4. Run the virtual machine and check if the issue persists.
Let us know if the above steps, helped to solve the issue ?
If the issue persists, collect an additional technical report (click Parallels icon || > Help > Send technical data > check "Attach screenshots..." > press Send Report) and send the report's 9-digit ID in a reply to this post.
Thank you.
 
I've since found a fix for this!
Adding "video.untrimmed_dynamic_cbuffers=1" into the VM's boot flags fixes the issue.
 
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