+ struct pipe_transfer *(*get_transfer)(struct pipe_context *,
+ struct pipe_resource *resource,
+ struct pipe_subresource,
+ unsigned usage, /* a combination of PIPE_TRANSFER_x */
+ const struct pipe_box *);
+
+ void (*transfer_destroy)(struct pipe_context *,
+ struct pipe_transfer *);
+
+ void *(*transfer_map)( struct pipe_context *,
+ struct pipe_transfer *transfer );
+
+ /* If transfer was created with WRITE|FLUSH_EXPLICIT, only the
+ * regions specified with this call are guaranteed to be written to
+ * the resource.
+ */
+ void (*transfer_flush_region)( struct pipe_context *,
+ struct pipe_transfer *transfer,
+ const struct pipe_box *);
+
+ void (*transfer_unmap)( struct pipe_context *,
+ struct pipe_transfer *transfer );
+
+
+ /* One-shot transfer operation with data supplied in a user
+ * pointer. XXX: strides??
+ */
+ void (*transfer_inline_write)( struct pipe_context *,
+ struct pipe_resource *,
+ struct pipe_subresource,
+ unsigned usage, /* a combination of PIPE_TRANSFER_x */
+ const struct pipe_box *,
+ const void *data,
+ unsigned stride,
+ unsigned slice_stride);
+