RayTracingTraversalStatistics.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreMinimal.h"
#include "RHIDefinitions.h"
 
#if RHI_RAYTRACING
 
#include "RenderGraphDefinitions.h"
#include "ShaderParameterMacros.h"
#include "ShaderParameters.h"
 
class FViewInfo;
 
namespace RaytracingTraversalStatistics
{
    BEGIN_SHADER_PARAMETER_STRUCT(FShaderParameters, )
        SHADER_PARAMETER_RDG_BUFFER_UAV(RWStructuredBuffer, TraceRayInlineTraversalStatistics_Accumulator)
    END_SHADER_PARAMETER_STRUCT()
 
    struct FTraceRayInlineStatisticsData
    {
        FRDGBufferRef TraversalStatisticsBuffer;
    };
    
    void Init(FRDGBuilder& GraphBuilder, FTraceRayInlineStatisticsData& OutTraversalData);
    void SetParameters(FRDGBuilder& GraphBuilder, const FTraceRayInlineStatisticsData& TraversalData, FShaderParameters& OutParameters);
    void AddPrintPass(FRDGBuilder& GraphBuilder, const FViewInfo& View, const FTraceRayInlineStatisticsData& TraversalData);
}
 
#endif // RHI_RAYTRACING