Field Name Bits Default Description SC_IFIFO_SIZE 1:0 0x0 Size of scan converter input FIFO (XYZ) POSSIBLE VALUES: 00 - 32 words 01 - 64 words 02 - 128 words 03 - 256 words SC_TZFIFO_SIZE 3:2 0x0 Size of scan converter top-of-pipe Z FIFO POSSIBLE VALUES: 00 - 16 words 01 - 32 words 02 - 64 words 03 - 128 words SC_BFIFO_SIZE 5:4 0x0 Size of scan converter input FIFO (B) POSSIBLE VALUES: 00 - 32 words 01 - 64 words 02 - 128 words 03 - 256 words RS_TFIFO_SIZE 7:6 0x0 Size of ras input FIFO (Texture) POSSIBLE VALUES: 00 - 64 words 01 - 128 words 02 - 256 words 03 - 512 words RS_CFIFO_SIZE 9:8 0x0 Size of ras input FIFO (Color) POSSIBLE VALUES: 00 - 64 words 01 - 128 words 02 - 256 words 03 - 512 words US_RAM_SIZE 11:10 0x0 Size of us RAM POSSIBLE VALUES: 00 - 64 words 01 - 128 words 02 - 256 words 03 - 512 words US_OFIFO_SIZE 13:12 0x0 Size of us output FIFO (RGBA) POSSIBLE VALUES: 00 - 16 words 01 - 32 words 02 - 64 words 03 - 128 words US_WFIFO_SIZE 15:14 0x0 Size of us output FIFO (W) POSSIBLE VALUES: 00 - 16 words 01 - 32 words 02 - 64 words 03 - 128 words RS_HIGHWATER_COL 18:16 0x0 High water mark for RS colors` fifo -- NOT USED RS_HIGHWATER_TEX 21:19 0x0 High water mark for RS textures` fifo -- NOT USED US_OFIFO_HIGHWATER 23:22 0x0 High water mark for US output fifo POSSIBLE VALUES: 00 - 0 words 01 - 4 words 02 - 8 words 03 - 12 words US_CUBE_FIFO_HIGHWATER 28:24 0x0 High water mark for US cube map fifo