Adds the specified homogeneous vectors.
*v4fTarget.UBE_VECTOR4f = UBE_v4fAdd( *v4fTarget.UBE_VECTOR4f, *v4fSource.UBE_VECTOR4f )
*v4fTarget
A valid pointer to a homogeneous vector (result and left operand). *v4fSource
A valid pointer to a homogeneous vector (right operand).
The pointer to the result homogeneous vector.
Tx = Tx + Sx
Ty = Ty + Sy
Tz = Tz + Sz
Tw = max( Tw , Sw )