PostProcessWeightedSampleSum.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "ScreenPass.h"
 
struct FGaussianBlurInputs
{
    // Friendly names of the blur passes along the X and Y axis. Used for logging and profiling.
    const TCHAR* NameX = nullptr;
    const TCHAR* NameY = nullptr;
 
    // The input texture to be filtered.
    FScreenPassTextureSlice Filter;
 
    // The input texture to be added after filtering.
    FScreenPassTexture Additive;
 
    // The color to tint when filtering.
    FLinearColor TintColor;
 
    // Controls the cross shape of the blur, in both X / Y directions. See r.Bloom.Cross.
    FVector2f CrossCenterWeight = FVector2f::ZeroVector;
 
    // The filter kernel size in percentage of the screen.
    float KernelSizePercent = 0.0f;
 
    bool UseMirrorAddressMode = false;
};
 
using FGaussianBlurOutputs = FScreenPassTexture;
 
extern RENDERER_API FGaussianBlurOutputs AddGaussianBlurPass(FRDGBuilder& GraphBuilder, const FViewInfo& View, const FGaussianBlurInputs& Inputs);