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

conn The XCB connection to X11.

n_drawables
TODO: NOT YET DOCUMENTED.

drawables TODO: NOT YET DOCUMENTED.

REPLY FIELDS

response_type
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.

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_supported_visuals
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.

X Version 11 libxcb 1.16.1 xcb_dbe_get_visual_info(3)