# define R300_TX_FORMAT_FL_I32 0x1B
# define R300_TX_FORMAT_FL_I32A32 0x1C
# define R300_TX_FORMAT_FL_R32G32B32A32 0x1D
+# define R300_TX_FORMAT_ATI2N 0x1F
/* alpha modes, convenience mostly */
/* if you have alpha, pick constant appropriate to the
number of channels (1 for I8, 2 for I8A8, 4 for R8G8B8A8, etc */
# define R300_TXO_ENDIAN_HALFDW_SWAP (3 << 0)
# define R300_TXO_MACRO_TILE (1 << 2)
# define R300_TXO_MICRO_TILE (1 << 3)
+# define R300_TXO_MICRO_TILE_SQUARE (2 << 3)
# define R300_TXO_OFFSET_MASK 0xffffffe0
# define R300_TXO_OFFSET_SHIFT 5
/* END: Guess from R200 */
# define R300_COLORPITCH_MASK 0x00001FF8 /* GUESS */
# define R300_COLOR_TILE_ENABLE (1 << 16) /* GUESS */
# define R300_COLOR_MICROTILE_ENABLE (1 << 17) /* GUESS */
+# define R300_COLOR_MICROTILE_SQUARE_ENABLE (2 << 17)
# define R300_COLOR_ENDIAN_NO_SWAP (0 << 18) /* GUESS */
# define R300_COLOR_ENDIAN_WORD_SWAP (1 << 18) /* GUESS */
# define R300_COLOR_ENDIAN_DWORD_SWAP (2 << 18) /* GUESS */