diff options
Diffstat (limited to 'src/gallium/drivers/radeon/radeon_winsys.h')
| -rw-r--r-- | src/gallium/drivers/radeon/radeon_winsys.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/src/gallium/drivers/radeon/radeon_winsys.h b/src/gallium/drivers/radeon/radeon_winsys.h index aa94df69362..451d8a4ec0c 100644 --- a/src/gallium/drivers/radeon/radeon_winsys.h +++ b/src/gallium/drivers/radeon/radeon_winsys.h @@ -603,6 +603,36 @@ struct radeon_winsys { void *flush_ctx); /** + * 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); + /** * Destroy a command stream. * * \param cs A command stream to destroy. |