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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Data Visualization module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL$
** 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 General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 or (at your option) 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.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-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
//
// W A R N I N G
// -------------
//
// This file is not part of the QtDataVisualization 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.
#ifndef GLSTATESTORE_P_H
#define GLSTATESTORE_P_H
#include <QtGui/QOpenGLFunctions>
#include <QtCore/QScopedArrayPointer>
#include "enumtostringmap_p.h"
class GLStateStore : public QObject, protected QOpenGLFunctions
{
Q_OBJECT
public:
explicit GLStateStore(QOpenGLContext *context, QObject *parent = 0);
~GLStateStore();
void storeGLState();
void restoreGLState();
void initGLDefaultState();
#ifdef VERBOSE_STATE_STORE
void printCurrentState(bool in);
EnumToStringMap *m_map;
#endif
GLint m_scissorBox[4];
GLboolean m_isScissorTestEnabled;
#if !defined(QT_OPENGL_ES_2)
GLint m_drawFramebuffer;
GLint m_readFramebuffer;
GLint m_renderbuffer;
#endif
GLfloat m_clearColor[4];
GLfloat m_clearDepth;
GLboolean m_isBlendingEnabled;
GLboolean m_isDepthTestEnabled;
GLint m_depthFunc;
GLboolean m_isDepthWriteEnabled;
GLint m_currentProgram;
GLint m_maxVertexAttribs;
QScopedArrayPointer<GLint> m_vertexAttribArrayEnabledStates;
QScopedArrayPointer<GLint> m_vertexAttribArrayBoundBuffers;
QScopedArrayPointer<GLint> m_vertexAttribArraySizes;
QScopedArrayPointer<GLint> m_vertexAttribArrayTypes;
QScopedArrayPointer<GLint> m_vertexAttribArrayNormalized;
QScopedArrayPointer<GLint> m_vertexAttribArrayStrides;
QScopedArrayPointer<void *> m_vertexAttribArrayOffsets;
GLint m_activeTexture;
GLint m_texBinding2D;
GLint m_frontFace;
GLboolean m_isCullFaceEnabled;
GLint m_cullFaceMode;
GLint m_blendEquationRGB;
GLint m_blendEquationAlpha;
GLint m_blendDestAlpha;
GLint m_blendDestRGB;
GLint m_blendSrcAlpha;
GLint m_blendSrcRGB;
GLint m_boundArrayBuffer;
GLint m_boundElementArrayBuffer;
GLboolean m_polygonOffsetFillEnabled;
GLfloat m_polygonOffsetFactor;
GLfloat m_polygonOffsetUnits;
};
#endif
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