LumenRadiosity.h

Go to the documentation of this file.

// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "SceneRendering.h"
 
namespace LumenRadiosity
{
    struct FFrameTemporaries
    {
        bool bIndirectLightingHistoryValid = false;
        bool bUseProbeOcclusion = false;
 
        int32 ProbeSpacing = 0;
        int32 HemisphereProbeResolution = 0;
        FIntPoint ProbeAtlasSize = FIntPoint(0, 0);
        FIntPoint ProbeTracingAtlasSize = FIntPoint(0, 0);
 
        FRDGTextureRef TraceRadianceAtlas = nullptr;
        FRDGTextureRef TraceHitDistanceAtlas = nullptr;
        FRDGTextureRef ProbeSHRedAtlas = nullptr;
        FRDGTextureRef ProbeSHGreenAtlas = nullptr;
        FRDGTextureRef ProbeSHBlueAtlas = nullptr;
    };
 
    bool IsEnabled(const FSceneViewFamily& ViewFamily);
    void InitFrameTemporaries(FRDGBuilder& GraphBuilder, const FLumenSceneData& LumenSceneData, const FSceneViewFamily& ViewFamily, const TArray<FViewInfo>& Views, LumenRadiosity::FFrameTemporaries& RadiosityFrameTemporaries);
    uint32 GetAtlasDownsampleFactor();
};