internal static v128 BlendV(v128 a, v128 b, v128 mask, bool integer = true)
{
if (Sse4_1.IsSse41Supported)
{
if (integer)
{
return(Sse4_1.blendv_epi8(a, b, mask));
}
else
{
return(Sse4_1.blendv_ps(a, b, mask));
}
}
else if (Sse2.IsSse2Supported)
{
// UNSAFE - performs bit-by-bit blend and not byte-by-byte
if (integer)
{
return(Sse2.or_si128(Sse2.and_si128(mask, b),
Sse2.andnot_si128(mask, a)));
}
else
{
return(Sse.or_ps(Sse.and_ps(mask, b),
Sse.andnot_ps(mask, a)));
}
}
else
{
throw new CPUFeatureCheckException();
}
}