1/****************************************************************************
2**
3** Copyright (C) 2020 The Qt Company Ltd.
4** Contact: https://www.qt.io/licensing/
5**
6** This file is part of the QtGui module of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:LGPL$
9** Commercial License Usage
10** Licensees holding valid commercial Qt licenses may use this file in
11** accordance with the commercial license agreement provided with the
12** Software or, alternatively, in accordance with the terms contained in
13** a written agreement between you and The Qt Company. For licensing terms
14** and conditions see https://www.qt.io/terms-conditions. For further
15** information use the contact form at https://www.qt.io/contact-us.
16**
17** GNU Lesser General Public License Usage
18** Alternatively, this file may be used under the terms of the GNU Lesser
19** General Public License version 3 as published by the Free Software
20** Foundation and appearing in the file LICENSE.LGPL3 included in the
21** packaging of this file. Please review the following information to
22** ensure the GNU Lesser General Public License version 3 requirements
23** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
24**
25** GNU General Public License Usage
26** Alternatively, this file may be used under the terms of the GNU
27** General Public License version 2.0 or (at your option) the GNU General
28** Public license version 3 or any later version approved by the KDE Free
29** Qt Foundation. The licenses are as published by the Free Software
30** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
31** included in the packaging of this file. Please review the following
32** information to ensure the GNU General Public License requirements will
33** be met: https://www.gnu.org/licenses/gpl-2.0.html and
34** https://www.gnu.org/licenses/gpl-3.0.html.
35**
36** $QT_END_LICENSE$
37**
38****************************************************************************/
39
40#ifndef QT_EGL_P_H
41#define QT_EGL_P_H
42
43//
44// W A R N I N G
45// -------------
46//
47// This file is not part of the Qt API. It exists purely as an
48// implementation detail. This header file may change from version to
49// version without notice, or even be removed.
50//
51// We mean it.
52//
53
54// q(data/text)stream.h must be included before any header file that defines Status
55#include <QtCore/qdatastream.h>
56#include <QtCore/qtextstream.h>
57
58#ifdef QT_EGL_NO_X11
59# ifndef EGL_NO_X11
60# define EGL_NO_X11
61# endif
62# ifndef MESA_EGL_NO_X11_HEADERS
63# define MESA_EGL_NO_X11_HEADERS // MESA
64# endif
65# if !defined(Q_OS_INTEGRITY)
66# define WIN_INTERFACE_CUSTOM // NV
67# endif // Q_OS_INTEGRITY
68#endif // QT_EGL_NO_X11
69
70#ifdef QT_EGL_WAYLAND
71# define WAYLAND // NV
72#endif // QT_EGL_WAYLAND
73
74#include <EGL/egl.h>
75#include <EGL/eglext.h>
76
77#include <stdint.h>
78
79QT_BEGIN_NAMESPACE
80
81namespace QtInternal {
82
83template <class FromType, class ToType>
84struct QtEglConverter
85{
86 static inline ToType convert(FromType v)
87 { return v; }
88};
89
90template <>
91struct QtEglConverter<uint32_t, uintptr_t>
92{
93 static inline uintptr_t convert(uint32_t v)
94 { return v; }
95};
96
97#if QT_POINTER_SIZE > 4
98template <>
99struct QtEglConverter<uintptr_t, uint32_t>
100{
101 static inline uint32_t convert(uintptr_t v)
102 { return uint32_t(v); }
103};
104#endif
105
106template <>
107struct QtEglConverter<uint32_t, void *>
108{
109 static inline void *convert(uint32_t v)
110 { return reinterpret_cast<void *>(uintptr_t(v)); }
111};
112
113template <>
114struct QtEglConverter<void *, uint32_t>
115{
116 static inline uint32_t convert(void *v)
117 { return uintptr_t(v); }
118};
119
120} // QtInternal
121
122template <class ToType, class FromType>
123static inline ToType qt_egl_cast(FromType from)
124{ return QtInternal::QtEglConverter<FromType, ToType>::convert(from); }
125
126QT_END_NAMESPACE
127
128#endif // QT_EGL_P_H
129