r.Shadow.CSM.TransitionScale

r.Shadow.CSM.TransitionScale

#Overview

name: r.Shadow.CSM.TransitionScale

The value of this variable can be defined or overridden in .ini config files. 5 .ini config files referencing this setting variable.

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

• type: Var
• help: Allows to scale the cascaded shadow map transition region. Clamped within 0..2.\n0: no transition (fastest)\n1: as specific in the light settings (default)\n2: 2x larger than what was specified in the light

It is referenced in 2 C++ source files.

#Summary

#Setting Variables

#References In INI files

Location: <Workspace>/Engine/Config/BaseScalability.ini:135, section: [ShadowQuality@0]

• INI Section: ShadowQuality@0
• Raw value: 0
• Is Array: False

Location: <Workspace>/Engine/Config/BaseScalability.ini:159, section: [ShadowQuality@1]

• INI Section: ShadowQuality@1
• Raw value: 0.25
• Is Array: False

Location: <Workspace>/Engine/Config/BaseScalability.ini:183, section: [ShadowQuality@2]

• INI Section: ShadowQuality@2
• Raw value: 0.8
• Is Array: False

Location: <Workspace>/Engine/Config/BaseScalability.ini:210, section: [ShadowQuality@3]

• INI Section: ShadowQuality@3
• Raw value: 1.0
• Is Array: False

Location: <Workspace>/Engine/Config/BaseScalability.ini:237, section: [ShadowQuality@Cine]

• INI Section: ShadowQuality@Cine
• Raw value: 1.0
• Is Array: False

#References in C++ code

#Callsites

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

#Loc: <Workspace>/Engine/Source/Runtime/Core/Private/HAL/ConsoleManager.cpp:3874

Scope: file

Source code excerpt:

static TAutoConsoleVariable<float> CVarShadowCSMTransitionScale(
	TEXT("r.Shadow.CSM.TransitionScale"),
	1.0f,
	TEXT("Allows to scale the cascaded shadow map transition region. Clamped within 0..2.\n"
		 "0: no transition (fastest)\n"
		 "1: as specific in the light settings (default)\n"
		 "2: 2x larger than what was specified in the light"),
	ECVF_Scalability | ECVF_RenderThreadSafe);

#Loc: <Workspace>/Engine/Source/Runtime/Engine/Private/Components/DirectionalLightComponent.cpp:721

Scope (from outer to inner):

file
class        class FDirectionalLightSceneProxy : public FLightSceneProxy
function     float GetShadowTransitionScale

Source code excerpt:

	float GetShadowTransitionScale() const
	{
		static const auto CVar = IConsoleManager::Get().FindTConsoleVariableDataFloat(TEXT("r.Shadow.CSM.TransitionScale"));
		float Scale = FMath::Clamp(CVar->GetValueOnRenderThread(), 0.0f, 2.0f);
		return Scale;
	}

	void UpdateLightShaftOverrideDirection_RenderThread(FVector NewLightShaftOverrideDirection)
	{