FIVSmokeVSMProcessor Class Reference

#include <IVSmokeVSMProcessor.h>

Collaboration diagram for FIVSmokeVSMProcessor:

Public Member Functions
void	Process (FRDGBuilder &GraphBuilder, FRDGTextureRef DepthTexture, FRDGTextureRef VSMTexture, int32 BlurRadius)
void	ProcessCascades (FRDGBuilder &GraphBuilder, TArray< FIVSmokeCascadeData > &Cascades, int32 BlurRadius)

Detailed Description

Variance Shadow Map processor. Converts depth maps to variance shadow maps and applies blur.

VSM stores (depth, depth²) which enables soft shadow filtering without the shadow acne artifacts of PCF.

Definition at line 19 of file IVSmokeVSMProcessor.h.

Constructor & Destructor Documentation

FIVSmokeVSMProcessor()

FIVSmokeVSMProcessor::FIVSmokeVSMProcessor

(

)

Definition at line 17 of file IVSmokeVSMProcessor.cpp.

~FIVSmokeVSMProcessor()

FIVSmokeVSMProcessor::~FIVSmokeVSMProcessor

(

)

Definition at line 21 of file IVSmokeVSMProcessor.cpp.

Member Function Documentation

Process()

void FIVSmokeVSMProcessor::Process	(	FRDGBuilder &	GraphBuilder,
		FRDGTextureRef	DepthTexture,
		FRDGTextureRef	VSMTexture,
		int32	BlurRadius
	)

Process a depth texture into a VSM texture. Performs depth → variance conversion and separable Gaussian blur.

Parameters

GraphBuilder	RDG builder.
DepthTexture	Input depth texture (R32F).
VSMTexture	Output VSM texture (RG32F).
BlurRadius	Blur kernel radius (0 = no blur).

Definition at line 29 of file IVSmokeVSMProcessor.cpp.

ProcessCascades()

void FIVSmokeVSMProcessor::ProcessCascades	(	FRDGBuilder &	GraphBuilder,
		TArray< FIVSmokeCascadeData > &	Cascades,
		int32	BlurRadius
	)

Process all cascades' depth textures into VSM textures.

Parameters

GraphBuilder	RDG builder.
Cascades	Array of cascade data.
BlurRadius	Blur kernel radius.

Definition at line 65 of file IVSmokeVSMProcessor.cpp.

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The documentation for this class was generated from the following files:

• plugins/UE5.7/IVSmoke/Source/IVSmoke/Public/IVSmokeVSMProcessor.h
• plugins/UE5.7/IVSmoke/Source/IVSmoke/Private/IVSmokeVSMProcessor.cpp