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/****************************************************************************
**
** Copyright (C) 2014 Digia Plc
** All rights reserved.
** For any questions to Digia, please use contact form at http://qt.io
**
** This file is part of the Qt Data Visualization module.
**
** Licensees holding valid commercial license for Qt may use this file in
** accordance with the Qt License Agreement provided with the Software
** or, alternatively, in accordance with the terms contained in a written
** agreement between you and Digia.
**
** If you have questions regarding the use of this file, please use
** contact form at http://qt.io
**
****************************************************************************/
//
// 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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