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xcb_glx_get_histogram(3) XCB Requests xcb_glx_get_histogram(3)

xcb_glx_get_histogram -

#include <xcb/glx.h>

xcb_glx_get_histogram_cookie_t xcb_glx_get_histogram(xcb_connection_t *conn, xcb_glx_context_tag_t context_tag, uint32_t target, uint32_t format, uint32_t type, uint8_t swap_bytes, uint8_t reset);


typedef struct xcb_glx_get_histogram_reply_t {
    uint8_t  response_type;
    uint8_t  pad0;
    uint16_t sequence;
    uint32_t length;
    uint8_t  pad1[8];
    int32_t  width;
    uint8_t  pad2[12];
} xcb_glx_get_histogram_reply_t;

xcb_glx_get_histogram_reply_t *xcb_glx_get_histogram_reply(xcb_connection_t *conn, xcb_glx_get_histogram_cookie_t cookie, xcb_generic_error_t **e);

uint8_t *xcb_glx_get_histogram_data(const xcb_glx_get_histogram_request_t *reply);

int xcb_glx_get_histogram_data_length(const xcb_glx_get_histogram_reply_t *reply);

xcb_generic_iterator_t xcb_glx_get_histogram_data_end(const xcb_glx_get_histogram_reply_t *reply);

conn
The XCB connection to X11.
context_tag
TODO: NOT YET DOCUMENTED.
target
TODO: NOT YET DOCUMENTED.
format
TODO: NOT YET DOCUMENTED.
type
TODO: NOT YET DOCUMENTED.
swap_bytes
TODO: NOT YET DOCUMENTED.
reset
TODO: NOT YET DOCUMENTED.

response_type
The type of this reply, in this case XCB_GLX_GET_HISTOGRAM. 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).
width
TODO: NOT YET DOCUMENTED.

Returns an xcb_glx_get_histogram_cookie_t. Errors have to be handled when calling the reply function xcb_glx_get_histogram_reply.

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

This request does never generate any errors.

Generated from glx.xml. Contact xcb@lists.freedesktop.org for corrections and improvements.
libxcb 1.14 X Version 11

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