Field Name             Bits   Default Description
AA_ENABLE              0      0x0     Enables antialiasing.
                                      POSSIBLE VALUES:
                                      00 - Antialiasing disabled(def)
                                      01 - Antialiasing enabled
NUM_AA_SUBSAMPLES      2:1    0x0     Specifies the number of subsamples to use while
                                      antialiasing.
                                      POSSIBLE VALUES:
                                      00 - 2 subsamples
                                      01 - 3 subsamples
                                      02 - 4 subsamples
                                      03 - 6 subsamples