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/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtOpenGL 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 Digia.  For licensing terms and
** conditions see http://qt.digia.com/licensing.  For further information
** use the contact form at http://qt.digia.com/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 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, Digia gives you certain additional
** rights.  These rights are described in the Digia 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.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QGRAPHICSSHADEREFFECT_P_H
#define QGRAPHICSSHADEREFFECT_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 <QtWidgets/qgraphicseffect.h>

#ifndef QT_NO_GRAPHICSEFFECT

#include <QtOpenGL/qtopenglglobal.h>

QT_BEGIN_NAMESPACE


class QGLShaderProgram;
class QGLCustomShaderEffectStage;
class QGraphicsShaderEffectPrivate;

class Q_OPENGL_EXPORT QGraphicsShaderEffect : public QGraphicsEffect
{
    Q_OBJECT
public:
    QGraphicsShaderEffect(QObject *parent = 0);
    virtual ~QGraphicsShaderEffect();

    QByteArray pixelShaderFragment() const;
    void setPixelShaderFragment(const QByteArray& code);

protected:
    void draw(QPainter *painter);
    void setUniformsDirty();
    virtual void setUniforms(QGLShaderProgram *program);

private:
    Q_DECLARE_PRIVATE(QGraphicsShaderEffect)
    Q_DISABLE_COPY(QGraphicsShaderEffect)

    friend class QGLCustomShaderEffectStage;
};

QT_END_NAMESPACE

#endif // QT_NO_GRAPHICSEFFECT

#endif // QGRAPHICSSHADEREFFECT_P_H