+# define R300_EDGE_ANISO_EDGE_DIAG (0<<13)
+# define R300_EDGE_ANISO_EDGE_ONLY (1<<13)
+# define R300_MC_COORD_TRUNCATE_DISABLE (0<<14)
+# define R300_MC_COORD_TRUNCATE_MPEG (1<<14)
+# define R300_TX_TRI_PERF_0_8 (0<<15)
+# define R300_TX_TRI_PERF_1_8 (1<<15)
+# define R300_TX_TRI_PERF_1_4 (2<<15)
+# define R300_TX_TRI_PERF_3_8 (3<<15)
+# define R300_ANISO_THRESHOLD_MASK (7<<17)