1/*
2 * Copyright (c) 1998, 2019, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26#ifndef _AWT_GRAPHICSENV_H_
27#define _AWT_GRAPHICSENV_H_
28
29#include <jni_util.h>
30
31#ifndef HEADLESS
32#define MITSHM
33#endif /* !HEADLESS */
34
35#define UNSET_MITSHM (-2)
36#define NOEXT_MITSHM (-1)
37#define CANT_USE_MITSHM (0)
38#define CAN_USE_MITSHM (1)
39
40#ifdef MITSHM
41
42#include <sys/ipc.h>
43#include <sys/shm.h>
44#include <X11/extensions/XShm.h>
45#ifndef X_ShmAttach
46#include <X11/Xmd.h>
47#include <X11/extensions/shmproto.h>
48#endif
49
50#define MITSHM_PERM_COMMON (0666)
51#define MITSHM_PERM_OWNER (0600)
52
53extern int XShmQueryExtension();
54
55void TryInitMITShm(JNIEnv *env, jint *shmExt, jint *shmPixmaps);
56void resetXShmAttachFailed();
57jboolean isXShmAttachFailed();
58
59#endif /* MITSHM */
60
61/* fieldIDs for X11GraphicsConfig fields that may be accessed from C */
62struct X11GraphicsConfigIDs {
63 jfieldID aData;
64 jfieldID bitsPerPixel;
65};
66
67#endif /* _AWT_GRAPHICSENV_H_ */
68