#ifdef NV3X

HALF4 EnvReflect( sampler envmapSampler,
    sampler normalizeSampler,
    HALF3 normal,
    float3 eye,
    HALF2 fresnelScaleBias )
{
HALF3 normEye = texCUBE( normalizeSampler, eye );
HALF fresnel = Fresnel( normal, normEye, fresnelScaleBias );
HALF3 reflect = CalcReflectionVectorUnnormalized( normal, eye );
return texCUBE( envmapSampler, reflect );
}

#else // NV3X

HALF4 EnvReflect( sampler envmapSampler,
    HALF3 normal,
    HALF3 eye,
    HALF2 fresnelScaleBias )
{
eye = normalize( eye );

HALF fresnel = Fresnel( normal, eye, fresnelScaleBias );
HALF3 reflect = CalcReflectionVectorUnnormalized( normal, eye );

return texCUBE( envmapSampler, reflect ) * fresnel;
}

#endif