From 3a78c62bb2334ed6b6d7fc23e717b08c1de2c2ef Mon Sep 17 00:00:00 2001
From: Kevin Ottens <kevin.ottens@kdab.com>
Date: Mon, 20 Mar 2017 12:53:13 +0100
Subject: [Shader Graph Gen.] Introduce QShaderNode

Nodes will allow to describe inputs, outputs or value transformations in
a shader graph.

Change-Id: I44f806d9595fd0e68fc9026cda2b4fa0a62af283
Reviewed-by: Sean Harmer <sean.harmer@kdab.com>
---
 src/gui/util/qshadernode_p.h | 118 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 118 insertions(+)
 create mode 100644 src/gui/util/qshadernode_p.h

(limited to 'src/gui/util/qshadernode_p.h')

diff --git a/src/gui/util/qshadernode_p.h b/src/gui/util/qshadernode_p.h
new file mode 100644
index 0000000000..b3e2d4a841
--- /dev/null
+++ b/src/gui/util/qshadernode_p.h
@@ -0,0 +1,118 @@
+/****************************************************************************
+**
+** Copyright (C) 2017 Klaralvdalens Datakonsult AB (KDAB).
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the Qt Quick Layouts module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or (at your option) the GNU General
+** Public license version 3 or any later version approved by the KDE Free
+** Qt Foundation. The licenses are as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-2.0.html and
+** https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QSHADERNODE_P_H
+#define QSHADERNODE_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include <QtGui/private/qtguiglobal_p.h>
+
+#include <QtGui/private/qshaderformat_p.h>
+#include <QtGui/private/qshadernodeport_p.h>
+
+#include <QtCore/quuid.h>
+
+QT_BEGIN_NAMESPACE
+
+class QShaderNode
+{
+public:
+    enum Type : char {
+        Invalid,
+        Input,
+        Output,
+        Function
+    };
+
+    class Rule
+    {
+    public:
+        Q_GUI_EXPORT Rule(const QByteArray &substitution = QByteArray(), const QByteArrayList &headerSnippets = QByteArrayList()) Q_DECL_NOTHROW;
+
+        QByteArray substitution;
+        QByteArrayList headerSnippets;
+    };
+
+    Q_GUI_EXPORT Type type() const Q_DECL_NOTHROW;
+
+    Q_GUI_EXPORT QUuid uuid() const Q_DECL_NOTHROW;
+    Q_GUI_EXPORT void setUuid(const QUuid &uuid) Q_DECL_NOTHROW;
+
+    Q_GUI_EXPORT QVector<QShaderNodePort> ports() const Q_DECL_NOTHROW;
+    Q_GUI_EXPORT void addPort(const QShaderNodePort &port);
+    Q_GUI_EXPORT void removePort(const QShaderNodePort &port);
+
+    Q_GUI_EXPORT void addRule(const QShaderFormat &format, const Rule &rule);
+    Q_GUI_EXPORT void removeRule(const QShaderFormat &format);
+
+    Q_GUI_EXPORT QVector<QShaderFormat> availableFormats() const;
+    Q_GUI_EXPORT Rule rule(const QShaderFormat &format) const;
+
+private:
+    QUuid m_uuid;
+    QVector<QShaderNodePort> m_ports;
+    QVector<QPair<QShaderFormat, QShaderNode::Rule>> m_rules;
+};
+
+Q_GUI_EXPORT bool operator==(const QShaderNode::Rule &lhs, const QShaderNode::Rule &rhs) Q_DECL_NOTHROW;
+
+inline bool operator!=(const QShaderNode::Rule &lhs, const QShaderNode::Rule &rhs) Q_DECL_NOTHROW
+{
+    return !(lhs == rhs);
+}
+
+Q_DECLARE_TYPEINFO(QShaderNode, Q_MOVABLE_TYPE);
+Q_DECLARE_TYPEINFO(QShaderNode::Rule, Q_MOVABLE_TYPE);
+
+QT_END_NAMESPACE
+
+Q_DECLARE_METATYPE(QShaderNode)
+Q_DECLARE_METATYPE(QShaderNode::Rule)
+
+#endif // QSHADERNODE_P_H
-- 
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