1 /* cairo - a vector graphics library with display and print output
3 * Copyright © 2009 Intel Corporation
5 * This library is free software; you can redistribute it and/or
6 * modify it either under the terms of the GNU Lesser General Public
7 * License version 2.1 as published by the Free Software Foundation
8 * (the "LGPL") or, at your option, under the terms of the Mozilla
9 * Public License Version 1.1 (the "MPL"). If you do not alter this
10 * notice, a recipient may use your version of this file under either
11 * the MPL or the LGPL.
13 * You should have received a copy of the LGPL along with this library
14 * in the file COPYING-LGPL-2.1; if not, write to the Free Software
15 * Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA
16 * You should have received a copy of the MPL along with this library
17 * in the file COPYING-MPL-1.1
19 * The contents of this file are subject to the Mozilla Public License
20 * Version 1.1 (the "License"); you may not use this file except in
21 * compliance with the License. You may obtain a copy of the License at
22 * http://www.mozilla.org/MPL/
24 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY
25 * OF ANY KIND, either express or implied. See the LGPL or the MPL for
26 * the specific language governing rights and limitations.
29 * Chris Wilson <chris@chris-wilson.co.uk>
34 #if CAIRO_HAS_XCB_SHM_FUNCTIONS
36 #include "cairo-xcb-private.h"
38 #include <xcb/xcbext.h>
42 _cairo_xcb_connection_shm_attach (cairo_xcb_connection_t
*connection
,
44 cairo_bool_t readonly
)
46 uint32_t segment
= _cairo_xcb_connection_get_xid (connection
);
47 assert (connection
->flags
& CAIRO_XCB_HAS_SHM
);
48 xcb_shm_attach (connection
->xcb_connection
, segment
, id
, readonly
);
53 _cairo_xcb_connection_shm_put_image (cairo_xcb_connection_t
*connection
,
57 uint16_t total_height
,
68 assert (connection
->flags
& CAIRO_XCB_HAS_SHM
);
69 xcb_shm_put_image (connection
->xcb_connection
, dst
, gc
, total_width
, total_height
,
70 src_x
, src_y
, width
, height
, dst_x
, dst_y
, depth
,
71 XCB_IMAGE_FORMAT_Z_PIXMAP
, 0, shm
, offset
);
75 _cairo_xcb_connection_shm_get_image (cairo_xcb_connection_t
*connection
,
84 xcb_shm_get_image_reply_t
*reply
;
86 assert (connection
->flags
& CAIRO_XCB_HAS_SHM
);
87 reply
= xcb_shm_get_image_reply (connection
->xcb_connection
,
88 xcb_shm_get_image (connection
->xcb_connection
,
93 XCB_IMAGE_FORMAT_Z_PIXMAP
,
99 /* an error here should be impossible */
100 return _cairo_error (CAIRO_STATUS_READ_ERROR
);
103 return CAIRO_STATUS_SUCCESS
;
107 _cairo_xcb_connection_shm_detach (cairo_xcb_connection_t
*connection
,
110 assert (connection
->flags
& CAIRO_XCB_HAS_SHM
);
111 xcb_shm_detach (connection
->xcb_connection
, segment
);
112 _cairo_xcb_connection_put_xid (connection
, segment
);
115 #endif /* CAIRO_HAS_XCB_SHM_FUNCTIONS */