1/****************************************************************************
2**
3** Copyright (C) 2017 Klaralvdalens Datakonsult AB (KDAB).
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 QT3DRENDER_QSHADERNODESLOADER_P_H
41#define QT3DRENDER_QSHADERNODESLOADER_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#include <Qt3DRender/private/qt3drender_global_p.h>
55
56#include <Qt3DRender/private/qshadergraph_p.h>
57
58QT_BEGIN_NAMESPACE
59
60class QIODevice;
61
62namespace Qt3DRender
63{
64class QShaderNodesLoader
65{
66public:
67 enum Status : char {
68 Null,
69 Waiting,
70 Ready,
71 Error
72 };
73
74 Q_3DRENDERSHARED_PRIVATE_EXPORT QShaderNodesLoader() noexcept;
75
76 Q_3DRENDERSHARED_PRIVATE_EXPORT Status status() const noexcept;
77 Q_3DRENDERSHARED_PRIVATE_EXPORT QHash<QString, QShaderNode> nodes() const noexcept;
78
79 Q_3DRENDERSHARED_PRIVATE_EXPORT QIODevice *device() const noexcept;
80 Q_3DRENDERSHARED_PRIVATE_EXPORT void setDevice(QIODevice *device) noexcept;
81
82 Q_3DRENDERSHARED_PRIVATE_EXPORT void load();
83 Q_3DRENDERSHARED_PRIVATE_EXPORT void load(const QJsonObject &prototypesObject);
84
85private:
86 Status m_status;
87 QIODevice *m_device;
88 QHash<QString, QShaderNode> m_nodes;
89};
90
91
92}
93Q_DECLARE_TYPEINFO(Qt3DRender::QShaderNodesLoader, Q_MOVABLE_TYPE);
94QT_END_NAMESPACE
95
96Q_DECLARE_METATYPE(Qt3DRender::QShaderNodesLoader)
97Q_DECLARE_METATYPE(Qt3DRender::QShaderNodesLoader::Status)
98
99#endif // QT3DRENDER_QSHADERNODESLOADER_P_H
100

source code of qt3d/src/render/shadergraph/qshadernodesloader_p.h