xcb_dri2_get_param

Section: XCB Requests (3)
Updated: libxcb 1.12
Index Return to Main Contents

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NAME

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.

 

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.

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Index

NAME

SYNOPSIS

Request function

Reply datastructure

Reply function

REQUEST ARGUMENTS

REPLY FIELDS

DESCRIPTION

RETURN VALUE

ERRORS

SEE ALSO

AUTHOR