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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 MATERIAL_H
#define MATERIAL_H
#include <QtQuick/qtquickglobal.h>
#include <qopenglshaderprogram.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
class QSGMaterial;
class Q_QUICK_EXPORT QSGMaterialShader
{
public:
class Q_QUICK_EXPORT RenderState {
public:
enum DirtyState
{
DirtyMatrix = 0x0001,
DirtyOpacity = 0x0002
};
Q_DECLARE_FLAGS(DirtyStates, DirtyState)
inline DirtyStates dirtyStates() const { return m_dirty; }
inline bool isMatrixDirty() const { return m_dirty & DirtyMatrix; }
inline bool isOpacityDirty() const { return m_dirty & DirtyOpacity; }
float opacity() const;
QMatrix4x4 combinedMatrix() const;
QMatrix4x4 modelViewMatrix() const;
QRect viewportRect() const;
QRect deviceRect() const;
QOpenGLContext *context() const;
private:
friend class QSGRenderer;
DirtyStates m_dirty;
const void *m_data;
};
QSGMaterialShader();
virtual void activate();
virtual void deactivate();
// First time a material is used, oldMaterial is null.
virtual void updateState(const RenderState &state, QSGMaterial *newMaterial, QSGMaterial *oldMaterial);
virtual char const *const *attributeNames() const = 0; // Array must end with null.
inline QOpenGLShaderProgram *program() { return &m_program; }
protected:
friend class QSGContext;
virtual void compile();
virtual void initialize() { }
virtual const char *vertexShader() const = 0;
virtual const char *fragmentShader() const = 0;
private:
QOpenGLShaderProgram m_program;
void *m_reserved;
};
struct QSGMaterialType { };
class Q_QUICK_EXPORT QSGMaterial
{
public:
enum Flag {
Blending = 0x0001
};
Q_DECLARE_FLAGS(Flags, Flag)
QSGMaterial();
virtual ~QSGMaterial();
virtual QSGMaterialType *type() const = 0;
virtual QSGMaterialShader *createShader() 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)
Q_DECLARE_OPERATORS_FOR_FLAGS(QSGMaterialShader::RenderState::DirtyStates)
QT_END_NAMESPACE
QT_END_HEADER
#endif
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