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/****************************************************************************
**
** Copyright (C) 2016 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 QSGRENDERNODE_H
#define QSGRENDERNODE_H
#include <QtQuick/qsgnode.h>
QT_BEGIN_NAMESPACE
class QSGRenderNodePrivate;
class Q_QUICK_EXPORT QSGRenderNode : public QSGNode
{
public:
enum StateFlag {
DepthState = 0x01,
StencilState = 0x02,
ScissorState = 0x04,
ColorState = 0x08,
BlendState = 0x10,
CullState = 0x20,
ViewportState = 0x40,
RenderTargetState = 0x80
};
Q_DECLARE_FLAGS(StateFlags, StateFlag)
enum RenderingFlag {
BoundedRectRendering = 0x01,
DepthAwareRendering = 0x02,
OpaqueRendering = 0x04
};
Q_DECLARE_FLAGS(RenderingFlags, RenderingFlag)
struct Q_QUICK_EXPORT RenderState {
virtual ~RenderState();
virtual const QMatrix4x4 *projectionMatrix() const = 0;
virtual QRect scissorRect() const = 0;
virtual bool scissorEnabled() const = 0;
virtual int stencilValue() const = 0;
virtual bool stencilEnabled() const = 0;
virtual const QRegion *clipRegion() const = 0;
virtual void *get(const char *state) const;
};
QSGRenderNode();
~QSGRenderNode() override;
virtual StateFlags changedStates() const;
virtual void render(const RenderState *state) = 0;
virtual void releaseResources();
virtual RenderingFlags flags() const;
virtual QRectF rect() const;
const QMatrix4x4 *matrix() const;
const QSGClipNode *clipList() const;
qreal inheritedOpacity() const;
private:
QSGRenderNodePrivate *d;
friend class QSGRenderNodePrivate;
};
Q_DECLARE_OPERATORS_FOR_FLAGS(QSGRenderNode::StateFlags)
Q_DECLARE_OPERATORS_FOR_FLAGS(QSGRenderNode::RenderingFlags)
QT_END_NAMESPACE
#endif
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