UEConsole Commands
VariableConsole VariableRenderer

r.D3D12.RayTracing.DebugForceBuildMode

r.D3D12.RayTracing.DebugForceBuildMode is a console variable in Unreal Engine 5 (UE5). See what r.D3D12.RayTracing.DebugForceBuildMode does, its values, and how to use this cvar in the Unreal console below.

Category: Renderer · Namespace: r

Help

Forces specific acceleration structure build mode (not runtime-tweakable). 0: Use build mode requested by high-level code (Default) 1: Force fast build mode 2: Force fast trace mode

Usage

Unreal console (open with ~)
> r.D3D12.RayTracing.DebugForceBuildMode 1

Console variables take a value. Replace 1 with the setting you need. Run it with no value to print the current one.

Related in r