inline half3 getEnvironmentReflection(in SurfaceData data, in half3 bakedLighting)
{
    half3 c = bakedLighting * data.diffuse * data.occlusion;

    half3 irradiance = getEnvironmentMap(data, unity_SpecCube0_HDR) * data.occlusion;

    half surfaceReduction = 1.0h / (data.roughness2 + 1.0h);

    half NdotV = dot(data.normal, data.view);
    half fresnelTerm = pow5(1.0h - saturate(NdotV));

    c += surfaceReduction * irradiance * lerp(data.specular, data.grazingTerm, fresnelTerm);
    return c;
}