xcb_xf86dri_query_direct_rendering_capable3
Usage
#include <xcb/xf86dri.h>
Request function
xcb_xf86dri_query_direct_rendering_capable_cookie_t xcb_xf86dri_query_direct_rendering_capable(xcb_connection_t *conn, uint32_t screen);
Reply datastructure
typedef struct xcb_xf86dri_query_direct_rendering_capable_reply_t {
uint8_t response_type;
uint8_t pad0;
uint16_t sequence;
uint32_t length;
uint8_t is_capable;
} xcb_xf86dri_query_direct_rendering_capable_reply_t;
Reply function
xcb_xf86dri_query_direct_rendering_capable_reply_t *xcb_xf86dri_query_direct_rendering_capable_reply(xcb_connection_t *conn, xcb_xf86dri_query_direct_rendering_capable_cookie_t cookie, xcb_generic_error_t **e);
Request arguments
conn
|
The XCB connection to X11. |
|---|---|
screen
|
TODO: NOT YET DOCUMENTED. |
Reply fields
- response_type
-
The type of this reply, in this case XCB_XF86DRI_QUERY_DIRECT_RENDERING_CAPABLE. 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).
- is_capable
-
TODO: NOT YET DOCUMENTED.
Overview
Return value
Returns an xcb_xf86dri_query_direct_rendering_capable_cookie_t. Errors have to be handled when calling the reply function xcb_xf86dri_query_direct_rendering_capable_reply.
If you want to handle errors in the event loop instead, use xcb_xf86dri_query_direct_rendering_capable_unchecked. See xcb-requests(3) for details.
Errors
This request does never generate any errors.
Releases
6 releases since Debian 9 (Stretch); the text changed 4 times.