xcb_dri2_get_param - Man Page
Synopsis
#include <xcb/dri2.h>
Request function
xcb_dri2_get_param_cookie_t xcb_dri2_get_param(xcb_connection_t *conn, xcb_drawable_t drawable, uint32_t param);
Reply datastructure
typedef struct xcb_dri2_get_param_reply_t {
uint8_t response_type;
uint8_t is_param_recognized;
uint16_t sequence;
uint32_t length;
uint32_t value_hi;
uint32_t value_lo;
} xcb_dri2_get_param_reply_t;Reply function
xcb_dri2_get_param_reply_t *xcb_dri2_get_param_reply(xcb_connection_t *conn, xcb_dri2_get_param_cookie_t cookie, xcb_generic_error_t **e);
Request Arguments
- conn
The XCB connection to X11.
- drawable
TODO: NOT YET DOCUMENTED.
- param
TODO: NOT YET DOCUMENTED.
Reply Fields
- response_type
The type of this reply, in this case XCB_DRI2_GET_PARAM. This field is also present in the xcb_generic_reply_t and can be used to tell replies apart from each other.
- sequence
The sequence number of the last request processed by the X11 server.
- length
The length of the reply, in words (a word is 4 bytes).
- is_param_recognized
TODO: NOT YET DOCUMENTED.
- value_hi
TODO: NOT YET DOCUMENTED.
- value_lo
TODO: NOT YET DOCUMENTED.
Description
Return Value
Returns an xcb_dri2_get_param_cookie_t. Errors have to be handled when calling the reply function xcb_dri2_get_param_reply.
If you want to handle errors in the event loop instead, use xcb_dri2_get_param_unchecked. See xcb-requests(3) for details.
Errors
This request does never generate any errors.
See Also
Author
Generated from dri2.xml. Contact xcb@lists.freedesktop.org for corrections and improvements.
Referenced By
The man pages xcb_dri2_get_param_reply(3) and xcb_dri2_get_param_unchecked(3) are aliases of xcb_dri2_get_param(3).