xcb_dri2_get_param man page

xcb_dri2_get_param —

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.

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.

Author

Generated from dri2.xml. Contact xcb@lists.freedesktop.org for corrections and improvements.

Referenced By

xcb_dri2_get_param_reply(3) and xcb_dri2_get_param_unchecked(3) are aliases of xcb_dri2_get_param(3).

libxcb 1.12 X Version 11 XCB Requests