- /**
- * Add a constant engine IB to a graphics CS. This makes the graphics CS
- * from "cs_create" a group of two IBs that share a buffer list and are
- * flushed together.
- *
- * The returned constant CS is only a stream for writing packets to the new
- * IB. Calling other winsys functions with it is not allowed, not even
- * "cs_destroy".
- *
- * In order to add buffers and check memory usage, use the graphics CS.
- * In order to flush it, use the graphics CS, which will flush both IBs.
- * Destroying the graphics CS will destroy both of them.
- *
- * \param cs The graphics CS from "cs_create" that will hold the buffer
- * list and will be used for flushing.
- */
- struct radeon_winsys_cs *(*cs_add_const_ib)(struct radeon_winsys_cs *cs);
-
- /**
- * Add a constant engine preamble IB to a graphics CS. This add an extra IB
- * in similar manner to cs_add_const_ib. This should always be called after
- * cs_add_const_ib.
- *
- * The returned IB is a constant engine IB that only gets flushed if the
- * context changed.
- *
- * \param cs The graphics CS from "cs_create" that will hold the buffer
- * list and will be used for flushing.
- */
- struct radeon_winsys_cs *(*cs_add_const_preamble_ib)(struct radeon_winsys_cs *cs);