xcb_dbe_get_visual_info - Man Page
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.
Referenced By
The man pages xcb_dbe_get_visual_info_reply(3), xcb_dbe_get_visual_info_supported_visuals_iterator(3), xcb_dbe_get_visual_info_supported_visuals_length(3) and xcb_dbe_get_visual_info_unchecked(3) are aliases of xcb_dbe_get_visual_info(3).