Split Screen Mesh Render Bug?

Development Rendering
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1

Hi, I’m having a problem with creating my split screen game and no one seems to be able to help (I’ve searched the internet for a couple hours now) Just wondering if any of you have a possible solution.

I am actually using UE5 but I think this should still apply to UE4.

When playing in split screen, one screen will show a bugged mesh as oppose to the other screen showing them how I desire. Both instances of my sniper rifle are rendered incorrectly on the left screen, flickering as if there are two meshes in one. This doesn’t happen on the screen on the right. (It’s actually really hard to see in this image but if you look closely you may be able to tell)

346237-splitscreenbug.jpg
346237-splitscreenbug.jpg1910×1024 107 KB

I think this could be a problem with the way the mesh is being rendered as this also happens when not using lumen. If anyone could help, it would be much appreciated!

2

For anyone having the same issue (Though possibly quite rare), as expected, it’s a problem that UE5 has rendering Nanite meshes. The UE5 engine can’t render the same Nanite mesh twice, meaning Nanite is un-usable for Split Screen or Virtual Reality.

In short - The solution is to just not use nanite meshes at all when making games in Split Screen or Virtual Reality (VR) and possibly anything else that uses two renders of the same scene.