+# define R300_POINTSIZE_MAX (R300_POINTSIZE_Y_MASK / 6)
+
+/* The line width is given in multiples of 6.
+ 00020018 == 4.0, 0002001e == 5.0 */
+#define R300_RE_LINE_CNT 0x4234
+# define R300_LINESIZE_SHIFT 0
+# define R300_LINESIZE_MASK (0xFFFF << 0) /* GUESS */
+# define R300_LINESIZE_MAX (R300_LINESIZE_MASK / 6)
+# define R300_LINE_CNT_UNK1 (1 << 17)
+
+/* Linestipple factor. 3a088889 == 1.0, 3baaaaa9 == 10.0 */
+#define R300_RE_LINE_STIPPLE_FACTOR 0x4238
+#define R300_RE_LINE_STIPPLE_PTRN1 0x43E0
+#define R300_RE_LINE_STIPPLE_PTRN2 0x43E4
+
+
+#define R300_RE_ZBIAS_T_FACTOR 0x42A4
+#define R300_RE_ZBIAS_T_CONSTANT 0x42A8
+#define R300_RE_ZBIAS_W_FACTOR 0x42AC
+#define R300_RE_ZBIAS_W_CONSTANT 0x42B0