MainLight.hlsl

void GetLightingInformation_float(out float3 Direction, out float3 Color,out float Attenuation)
{
    #ifdef SHADERGRAPH_PREVIEW
        Direction = float3(-0.5,0.5,-0.5);
        Color = float3(1,1,1);
        Attenuation = 0.4;
    #else
        Light light = GetMainLight();
        Direction = light.direction;
        Attenuation = light.distanceAttenuation;
        Color = light.color;
    #endif
}