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xcb_dbe_get_visual_info(3) XCB Requests xcb_dbe_get_visual_info(3)

NAME

xcb_dbe_get_visual_info - Requests visuals that support double buffering

SYNOPSIS

#include <xcb/dbe.h>

Request function

xcb_dbe_get_visual_info_cookie_t xcb_dbe_get_visual_info(xcb_connection_t *conn, uint32_t n_drawables, const xcb_drawable_t *drawables);

Reply datastructure

typedef struct xcb_dbe_get_visual_info_reply_t {


    uint8_t  response_type;


    uint8_t  pad0;


    uint16_t sequence;


    uint32_t length;


    uint32_t n_supported_visuals;


    uint8_t  pad1[20];
} xcb_dbe_get_visual_info_reply_t;

Reply function

xcb_dbe_get_visual_info_reply_t *xcb_dbe_get_visual_info_reply(xcb_connection_t *conn, xcb_dbe_get_visual_info_cookie_t cookie, xcb_generic_error_t **e);

Reply accessors

int xcb_dbe_get_visual_info_supported_visuals_length(const xcb_dbe_get_visual_info_reply_t *reply);

xcb_dbe_visual_infos_iterator_t xcb_dbe_get_visual_info_supported_visuals_iterator(const xcb_dbe_get_visual_info_reply_t *reply);

REQUEST ARGUMENTS

The XCB connection to X11.
TODO: NOT YET DOCUMENTED.
TODO: NOT YET DOCUMENTED.

REPLY FIELDS

The type of this reply, in this case XCB_DBE_GET_VISUAL_INFO. This field is also present in the xcb_generic_reply_t and can be used to tell replies apart from each other.
The sequence number of the last request processed by the X11 server.
The length of the reply, in words (a word is 4 bytes).
TODO: NOT YET DOCUMENTED.

DESCRIPTION

RETURN VALUE

Returns an xcb_dbe_get_visual_info_cookie_t. Errors have to be handled when calling the reply function xcb_dbe_get_visual_info_reply.

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

ERRORS

This request does never generate any errors.

SEE ALSO

xcb-requests(3)

AUTHOR

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

libxcb 1.17.0 X Version 11