+#define R300_RB3D_CMASK_OFFSET0 0x4E54
+#define R300_RB3D_CMASK_OFFSET1 0x4E58
+#define R300_RB3D_CMASK_OFFSET2 0x4E5C
+#define R300_RB3D_CMASK_OFFSET3 0x4E60
+#define R300_RB3D_CMASK_PITCH0 0x4E64
+#define R300_RB3D_CMASK_PITCH1 0x4E68
+#define R300_RB3D_CMASK_PITCH2 0x4E6C
+#define R300_RB3D_CMASK_PITCH3 0x4E70
+#define R300_RB3D_CMASK_WRINDEX 0x4E74
+#define R300_RB3D_CMASK_DWORD 0x4E78
+#define R300_RB3D_CMASK_RDINDEX 0x4E7C
+