xcb_glx_get_doublev man page

xcb_glx_get_doublev —

Synopsis

#include <xcb/glx.h>

Request function

xcb_glx_get_doublev_cookie_t xcb_glx_get_doublev(xcb_connection_t *conn, xcb_glx_context_tag_t context_tag, uint32_t pname);

Reply datastructure

typedef struct xcb_glx_get_doublev_reply_t {
    uint8_t           response_type;
    uint8_t           pad0;
    uint16_t          sequence;
    uint32_t          length;
    uint8_t           pad1[4];
    uint32_t          n;
    xcb_glx_float64_t datum;
    uint8_t           pad2[8];
} xcb_glx_get_doublev_reply_t;

Reply function

xcb_glx_get_doublev_reply_t *xcb_glx_get_doublev_reply(xcb_connection_t *conn, xcb_glx_get_doublev_cookie_t cookie, xcb_generic_error_t **e);

Reply accessors

xcb_glx_float64_t *xcb_glx_get_doublev_data(const xcb_glx_get_doublev_request_t *reply);

int xcb_glx_get_doublev_data_length(const xcb_glx_get_doublev_reply_t *reply);

xcb_generic_iterator_t xcb_glx_get_doublev_data_end(const xcb_glx_get_doublev_reply_t *reply);

Request Arguments

conn
The XCB connection to X11.
context_tag
TODO: NOT YET DOCUMENTED.
pname
TODO: NOT YET DOCUMENTED.

Reply Fields

response_type
The type of this reply, in this case XCB_GLX_GET_DOUBLEV. 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).
n
TODO: NOT YET DOCUMENTED.
datum
TODO: NOT YET DOCUMENTED.

Return Value

Returns an xcb_glx_get_doublev_cookie_t. Errors have to be handled when calling the reply function xcb_glx_get_doublev_reply.

If you want to handle errors in the event loop instead, use xcb_glx_get_doublev_unchecked. See xcb-requests(3) for details.

Errors

This request does never generate any errors.

Author

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

Referenced By

xcb_glx_get_doublev_data(3), xcb_glx_get_doublev_data_end(3), xcb_glx_get_doublev_data_length(3), xcb_glx_get_doublev_reply(3) and xcb_glx_get_doublev_unchecked(3) are aliases of xcb_glx_get_doublev(3).

libxcb 1.12 X Version 11 XCB Requests