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/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtQuick3D 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 QGLPAINTER_P_H
#define QGLPAINTER_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 "qglpainter.h"
#include "qglrendersequencer.h"
#include <QtCore/qatomic.h>
#include <QtCore/qmap.h>
#include <QtCore/qstack.h>
QT_BEGIN_NAMESPACE
#define QGL_MAX_LIGHTS 32
#define QGL_MAX_STD_EFFECTS 16
class QGLPainterPickPrivate
{
public:
QGLPainterPickPrivate();
~QGLPainterPickPrivate();
bool isPicking;
int objectPickId;
int pickColorIndex;
QRgb pickColor;
QMap<int, QRgb> pickObjectToColor;
QMap<QRgb, int> pickColorToObject;
QGLAbstractEffect *defaultPickEffect;
};
struct QGLPainterSurfaceInfo
{
QGLAbstractSurface *surface;
bool destroySurface;
bool mainSurface;
};
class QGLPainterPrivate
{
public:
QGLPainterPrivate();
~QGLPainterPrivate();
QAtomicInt ref;
QOpenGLContext *context;
QMatrix4x4Stack projectionMatrix;
QMatrix4x4Stack modelViewMatrix;
QMatrix4x4 inverseEyeMatrix;
QGL::Eye eye;
QGLAbstractEffect *effect;
QGLAbstractEffect *userEffect;
QGL::StandardEffect standardEffect;
QGLAbstractEffect *stdeffects[QGL_MAX_STD_EFFECTS];
const QGLLightModel *lightModel;
QGLLightModel *defaultLightModel;
QGLLightParameters *defaultLight;
QArray<const QGLLightParameters *> lights;
QArray<QMatrix4x4> lightTransforms;
const QGLMaterial *frontMaterial;
const QGLMaterial *backMaterial;
QGLMaterial *defaultMaterial;
QGLMaterial *frontColorMaterial;
QGLMaterial *backColorMaterial;
QBox3D viewingCube;
QColor color;
QGLPainter::Updates updates;
QGLPainterPickPrivate *pick;
QMap<QString, QGLShaderProgram *> cachedPrograms;
QStack<QGLPainterSurfaceInfo> surfaceStack;
GLuint boundVertexBuffer;
GLuint boundIndexBuffer;
QGLRenderSequencer *renderSequencer;
bool isFixedFunction;
QGLAttributeSet attributeSet;
inline void ensureEffect(QGLPainter *painter)
{ if (!effect) createEffect(painter); }
void createEffect(QGLPainter *painter);
};
class QGLPainterPrivateCache : public QObject
{
Q_OBJECT
public:
QGLPainterPrivateCache();
~QGLPainterPrivateCache();
QMap<const QOpenGLContext *, QGLPainterPrivate *> cache;
QGLPainterPrivate *fromContext(QOpenGLContext *context);
static QGLPainterPrivateCache *instance();
public Q_SLOTS:
void contextDestroyed();
Q_SIGNALS:
void destroyedContext(const QOpenGLContext *context);
};
QT_END_NAMESPACE
#endif
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