SubpixelMorphologicalAA.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "ScreenPass.h"
#include "OverridePassSequence.h"
 
enum class ESMAAQuality : uint32
{
    // Lowest Quality / Fastest
    Q0,
    Q1,
    Q2,
    Q3,
    // Highest Quality / Slowest
    MAX
};
 
ESMAAQuality GetSMAAQuality();
 
struct FSMAAInputs
{
    // [Optional] Render to the specified output. If invalid, a new texture is created and returned.
    FScreenPassRenderTarget OverrideOutput;
 
    // [Required] HDR scene color to filter.
    FScreenPassTexture SceneColor;
 
    FScreenPassTexture SceneColorBeforeTonemap;
 
    // FXAA filter quality.
    ESMAAQuality Quality = ESMAAQuality::MAX;
};
 
FScreenPassTexture RENDERER_API AddSMAAPasses(FRDGBuilder& GraphBuilder, const FSceneView& View, const FSMAAInputs& Inputs);