OITParameters.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreMinimal.h"
#include "RendererInterface.h"
#include "ShaderParameters.h"
#include "RenderGraphResources.h"
 
// Uniform buffer used for translucent material shader
BEGIN_SHADER_PARAMETER_STRUCT(FOITBasePassUniformParameters, )
    SHADER_PARAMETER(uint32, bOITEnable)
    SHADER_PARAMETER(uint32, OITMethod)
    SHADER_PARAMETER(uint32, MaxSideSamplePerPixel)
    SHADER_PARAMETER(uint32, MaxSamplePerPixel)
    SHADER_PARAMETER(float, TransmittanceThreshold)
    SHADER_PARAMETER_RDG_TEXTURE_UAV(RasterizerOrderedTexture2D<uint>, OutOITSampleCount)
    SHADER_PARAMETER_RDG_TEXTURE_UAV(RWTexture2DArray<uint>, OutOITSampleData)
END_SHADER_PARAMETER_STRUCT()
 
class FViewInfo;
struct FOITData;
 
namespace OIT
{
    void SetOITParameters(FRDGBuilder& GraphBuilder, const FViewInfo& View, FOITBasePassUniformParameters& OutOIT, const FOITData& InOITData);
}