r.D3D12.RayTracing.ViewDescriptorHeapSize
r.D3D12.RayTracing.ViewDescriptorHeapSize is a console variable in Unreal Engine 5 (UE5). See what r.D3D12.RayTracing.ViewDescriptorHeapSize does, its values, and how to use this cvar in the Unreal console below.
Category: Renderer · Namespace:
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Maximum number of descriptors per ray tracing view descriptor heap. (default = 250k, ~8MB per heap) Typical measured descriptor heap usage in large scenes is ~50k. An error is reported when this limit is reached and shader bindings for subsequent objects are skipped.
Usage
Unreal console (open with ~)
> r.D3D12.RayTracing.ViewDescriptorHeapSize 1Console variables take a value. Replace 1 with the setting you need. Run it with no value to print the current one.
Related in r
r.D3D12.RayTracing.AllowSpecializedStateObjectsVarr.D3D12.RayTracing.CacheShaderRecordsVarr.D3D12.RayTracing.DebugForceBuildModeVarr.D3D12.RayTracing.DeduplicateSamplersVarr.D3D12.RayTracing.MaxBatchedCompactionVarr.D3D12.RayTracing.SpecializeStateObjectsVarr.D3D12.UseAllowTearingVarr.D3D12.UseInternalTransitionsVarr.D3D12.ValidateInternalTransitionsVarr.DBufferVarr.DebugActionZone.ActionRatioVarr.DebugLightDiscardPropVar