r.RayTracing.MultiGpuMaskTLAS

r.RayTracing.MultiGpuMaskTLAS

#Overview

name: r.RayTracing.MultiGpuMaskTLAS

This variable is created as a Console Variable (cvar).

• type: Var
• help: For Multi-GPU, controls which GPUs TLAS and material pipeline updates run on. (default = 1)\n 0: Run TLAS and material pipeline updates on all GPUs. Original behavior, which may be useful for debugging.\n 1: Run TLAS and material pipeline updates masked to the active view\'s GPUs to improve performance. BLAS updates still run on all GPUs.

It is referenced in 1 C++ source file.

#Summary

#References in C++ code

#Callsites

This variable is referenced in the following C++ source code:

#Loc: <Workspace>/Engine/Source/Runtime/Renderer/Private/DeferredShadingRenderer.cpp:198

Scope: file

Source code excerpt:

static int32 GRayTracingMultiGpuTLASMask = 1;
static FAutoConsoleVariableRef CVarRayTracingMultiGpuTLASMask(
	TEXT("r.RayTracing.MultiGpuMaskTLAS"),
	GRayTracingMultiGpuTLASMask,
	TEXT("For Multi-GPU, controls which GPUs TLAS and material pipeline updates run on.  (default = 1)\n")
	TEXT(" 0: Run TLAS and material pipeline updates on all GPUs.  Original behavior, which may be useful for debugging.\n")
	TEXT(" 1: Run TLAS and material pipeline updates masked to the active view's GPUs to improve performance.  BLAS updates still run on all GPUs.")
);