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/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtDeclarative module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QQUICKSHADEREFFECT_P_H
#define QQUICKSHADEREFFECT_P_H
#include "qquickitem.h"
#include "qsgmaterial.h"
#include <private/qsgadaptationlayer_p.h>
#include <private/qquickshadereffectnode_p.h>
#include "qquickshadereffectmesh_p.h"
#include <QtCore/qpointer.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Declarative)
const char *qtPositionAttributeName();
const char *qtTexCoordAttributeName();
class QSGContext;
class QSignalMapper;
class QQuickCustomMaterialShader;
class Q_AUTOTEST_EXPORT QQuickShaderEffect : public QQuickItem
{
Q_OBJECT
Q_PROPERTY(QByteArray fragmentShader READ fragmentShader WRITE setFragmentShader NOTIFY fragmentShaderChanged)
Q_PROPERTY(QByteArray vertexShader READ vertexShader WRITE setVertexShader NOTIFY vertexShaderChanged)
Q_PROPERTY(bool blending READ blending WRITE setBlending NOTIFY blendingChanged)
Q_PROPERTY(QVariant mesh READ mesh WRITE setMesh NOTIFY meshChanged)
Q_PROPERTY(CullMode culling READ cullMode WRITE setCullMode NOTIFY cullModeChanged)
Q_ENUMS(CullMode)
public:
enum CullMode
{
NoCulling = QQuickShaderEffectMaterial::NoCulling,
BackFaceCulling = QQuickShaderEffectMaterial::BackFaceCulling,
FrontFaceCulling = QQuickShaderEffectMaterial::FrontFaceCulling
};
QQuickShaderEffect(QQuickItem *parent = 0);
~QQuickShaderEffect();
virtual void componentComplete();
QByteArray fragmentShader() const { return m_source.fragmentCode; }
void setFragmentShader(const QByteArray &code);
QByteArray vertexShader() const { return m_source.vertexCode; }
void setVertexShader(const QByteArray &code);
bool blending() const { return m_blending; }
void setBlending(bool enable);
QVariant mesh() const;
void setMesh(const QVariant &mesh);
CullMode cullMode() const { return m_cullMode; }
void setCullMode(CullMode face);
Q_SIGNALS:
void fragmentShaderChanged();
void vertexShaderChanged();
void blendingChanged();
void meshChanged();
void cullModeChanged();
protected:
virtual void geometryChanged(const QRectF &newGeometry, const QRectF &oldGeometry);
virtual QSGNode *updatePaintNode(QSGNode *, UpdatePaintNodeData *);
private Q_SLOTS:
void changeSource(int index);
void updateData();
void updateGeometry();
private:
friend class QQuickCustomMaterialShader;
friend class QQuickShaderEffectNode;
void setSource(const QVariant &var, int index);
void disconnectPropertySignals();
void connectPropertySignals();
void reset();
void updateProperties();
void lookThroughShaderCode(const QByteArray &code);
QQuickShaderEffectProgram m_source;
QSize m_meshResolution;
QQuickShaderEffectMesh *m_mesh;
QQuickGridMesh m_defaultMesh;
CullMode m_cullMode;
struct SourceData
{
QSignalMapper *mapper;
QPointer<QQuickItem> sourceObject;
QByteArray name;
};
QVector<SourceData> m_sources;
uint m_blending : 1;
uint m_dirtyData : 1;
uint m_programDirty : 1;
uint m_dirtyMesh : 1;
uint m_dirtyGeometry : 1;
};
QT_END_NAMESPACE
QT_END_HEADER
#endif // QQUICKSHADEREFFECT_P_H
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