technique mask
{
    pass
    {
        COLOROP[1] = selectarg1;
        COLORARG1[1] = CURRENT;
        COLORARG2[1] = 2;
        
        ALPHAOP[1] = modulate;
        ALPHAARG1[1] = current;
        ALPHAARG2[1] = 2;
        
        alphatestenable = false;
        alphafunc = greater;
        alpharef = 0x1f;
    }
}