/****************************************************************************
**
** Copyright (C) 2019 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtQuick 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 QSGMATERIAL_H
#define QSGMATERIAL_H

#include <QtQuick/qtquickglobal.h>
#include <QtQuick/qsgmaterialshader.h>
#include <QtQuick/qsgmaterialtype.h>
#include <QtQuick/qsgrendererinterface.h>

QT_BEGIN_NAMESPACE

class Q_QUICK_EXPORT QSGMaterial
{
public:
    enum Flag {
        Blending            = 0x0001,
        RequiresDeterminant = 0x0002, // Allow precalculated translation and 2D rotation
        RequiresFullMatrixExceptTranslate = 0x0004 | RequiresDeterminant, // Allow precalculated translation
        RequiresFullMatrix  = 0x0008 | RequiresFullMatrixExceptTranslate,

        CustomCompileStep   = 0x0010
    };
    Q_DECLARE_FLAGS(Flags, Flag)

    QSGMaterial();
    virtual ~QSGMaterial();

    virtual QSGMaterialType *type() const = 0;
    virtual QSGMaterialShader *createShader(QSGRendererInterface::RenderMode renderMode) const = 0;
    virtual int compare(const QSGMaterial *other) const;

    QSGMaterial::Flags flags() const { return m_flags; }
    void setFlag(Flags flags, bool on = true);

private:
    Flags m_flags;
    void *m_reserved;
    Q_DISABLE_COPY(QSGMaterial)
};

Q_DECLARE_OPERATORS_FOR_FLAGS(QSGMaterial::Flags)

QT_END_NAMESPACE

#endif