How to Switch between DX11 and DX12 in a game menu?

[SupportiveEntity]

Hey there @GameplayProgger! The way the render stack is set up makes it quite a task to change the RHI at runtime. You can change it in the config and mention to the player that to change the RHI you need to restart the game.

RHI - Switching DX11, DX12, Vulkan during runtime

Because some of my graphics settings depend on it I want to be able to choose between DX11, DX12 and Vulkan from inside the game. As far as I know, this choice is stored simply as a string per platform: FString DefaultGraphicsRHI; GConfig->GetString(TEXT("/Script/WindowsTargetPlatform.WindowsTargetSettings"), TEXT("DefaultGraphicsRHI"), DefaultGraphicsRHI, GEngineIni); How does UE4 / UE5 handle RHI these days? Is it still advised to let the end user set this mode manually, or can / should the…