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
AUTHOR
Generated from dbe.xml. Contact xcb@lists.freedesktop.org for corrections and improvements.
libxcb 1.17.0 | X Version 11 |