PostProcessSubsurface.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "ScreenPass.h"
#include "OverridePassSequence.h"
 
// Returns whether subsurface scattering is globally enabled.
bool IsSubsurfaceEnabled();
 
// Returns whether subsurface scattering is required for the provided view.
bool IsSubsurfaceRequiredForView(const FViewInfo& View);
 
// Returns whether checkerboard rendering is enabled for the provided format.
bool IsSubsurfaceCheckerboardFormat(EPixelFormat SceneColorFormat, const FViewInfo& View);
 
class FSceneTextureParameters;
 
struct FVisualizeSubsurfaceInputs
{
    // [Optional] Render to the specified output. If invalid, a new texture is created and returned.
    FScreenPassRenderTarget OverrideOutput;
 
    // [Required] The scene color to composite with the visualization.
    FScreenPassTexture SceneColor;
 
    // [Required] The scene textures used to visualize shading models.
    TRDGUniformBufferRef<FSceneTextureUniformParameters> SceneTextures = nullptr;
};
 
FScreenPassTexture AddVisualizeSubsurfacePass(FRDGBuilder& GraphBuilder, const FViewInfo& View, const FVisualizeSubsurfaceInputs& Inputs);
 
void AddSubsurfacePass(
    FRDGBuilder& GraphBuilder,
    FSceneTextures& SceneTextures,
    TArrayView<const FViewInfo> Views);