+/* these are sizes in dwords */
+#define R300_HIZ_LIMIT 10240
+#define RV530_HIZ_LIMIT 15360
+
+/* rv3xx have only one pipe */
+#define PIPE_ZMASK_SIZE 4096
+#define RV3xx_ZMASK_SIZE 5120
+
+/* The size of a compressed tile. Each compressed tile takes 2 bits
+ * in the ZMASK RAM, so there is always 16 tiles per one dword. */
+enum r300_zmask_compression {
+ R300_ZCOMP_4X4 = 4,
+ R300_ZCOMP_8X8 = 8
+};
+