Function Interp2

modules/postprocess/hqx.py:42–45

( pc, c1, c2, c3, dest )

def Interp2( pc, c1, c2, c3, dest ):
    # pc = (c1*2+c2+c3) >> 2
    dest[pc] = (((((c1 & MASK_2) << 1) + (c2 & MASK_2) + (c3 & MASK_2)) >> 2) & MASK_2) + (((((c1 & MASK_13) << 1) + (c2 & MASK_13) + (c3 & MASK_13)) >> 2) & MASK_13)
    dest[pc] |= (c1 & 0xFF000000)


def Interp3( pc, c1, c2, dest ):