| 1 | /**************************************************************************** | 
| 2 | ** | 
| 3 | ** Copyright (C) 2016 The Qt Company Ltd. | 
| 4 | ** Contact: https://www.qt.io/licensing/ | 
| 5 | ** | 
| 6 | ** This file is part of the Qt Data Visualization module of the Qt Toolkit. | 
| 7 | ** | 
| 8 | ** $QT_BEGIN_LICENSE:GPL$ | 
| 9 | ** Commercial License Usage | 
| 10 | ** Licensees holding valid commercial Qt licenses may use this file in | 
| 11 | ** accordance with the commercial license agreement provided with the | 
| 12 | ** Software or, alternatively, in accordance with the terms contained in | 
| 13 | ** a written agreement between you and The Qt Company. For licensing terms | 
| 14 | ** and conditions see https://www.qt.io/terms-conditions. For further | 
| 15 | ** information use the contact form at https://www.qt.io/contact-us. | 
| 16 | ** | 
| 17 | ** GNU General Public License Usage | 
| 18 | ** Alternatively, this file may be used under the terms of the GNU | 
| 19 | ** General Public License version 3 or (at your option) any later version | 
| 20 | ** approved by the KDE Free Qt Foundation. The licenses are as published by | 
| 21 | ** the Free Software Foundation and appearing in the file LICENSE.GPL3 | 
| 22 | ** included in the packaging of this file. Please review the following | 
| 23 | ** information to ensure the GNU General Public License requirements will | 
| 24 | ** be met: https://www.gnu.org/licenses/gpl-3.0.html. | 
| 25 | ** | 
| 26 | ** $QT_END_LICENSE$ | 
| 27 | ** | 
| 28 | ****************************************************************************/ | 
| 29 |  | 
| 30 | // | 
| 31 | //  W A R N I N G | 
| 32 | //  ------------- | 
| 33 | // | 
| 34 | // This file is not part of the QtDataVisualization API.  It exists purely as an | 
| 35 | // implementation detail.  This header file may change from version to | 
| 36 | // version without notice, or even be removed. | 
| 37 | // | 
| 38 | // We mean it. | 
| 39 |  | 
| 40 | #ifndef GLSTATESTORE_P_H | 
| 41 | #define GLSTATESTORE_P_H | 
| 42 |  | 
| 43 | #include <QtGui/QOpenGLFunctions> | 
| 44 | #include <QtCore/QScopedArrayPointer> | 
| 45 | #include "enumtostringmap_p.h" | 
| 46 |  | 
| 47 | class GLStateStore : public QObject, protected QOpenGLFunctions | 
| 48 | { | 
| 49 |     Q_OBJECT | 
| 50 | public: | 
| 51 |     explicit GLStateStore(QOpenGLContext *context, QObject *parent = 0); | 
| 52 |     ~GLStateStore(); | 
| 53 |  | 
| 54 |     void storeGLState(); | 
| 55 |     void restoreGLState(); | 
| 56 |     void initGLDefaultState(); | 
| 57 |  | 
| 58 | #ifdef VERBOSE_STATE_STORE | 
| 59 |     void printCurrentState(bool in); | 
| 60 |     EnumToStringMap *m_map; | 
| 61 | #endif | 
| 62 |  | 
| 63 |     GLint m_scissorBox[4]; | 
| 64 |     GLboolean m_isScissorTestEnabled; | 
| 65 |  | 
| 66 | #if !defined(QT_OPENGL_ES_2) | 
| 67 |     GLint m_drawFramebuffer; | 
| 68 |     GLint m_readFramebuffer; | 
| 69 |     GLint m_renderbuffer; | 
| 70 | #endif | 
| 71 |     GLfloat m_clearColor[4]; | 
| 72 |     GLfloat m_clearDepth; | 
| 73 |     GLboolean m_isBlendingEnabled; | 
| 74 |     GLboolean m_isDepthTestEnabled; | 
| 75 |     GLint m_depthFunc; | 
| 76 |     GLboolean m_isDepthWriteEnabled; | 
| 77 |     GLint m_currentProgram; | 
| 78 |     GLint m_maxVertexAttribs; | 
| 79 |     QScopedArrayPointer<GLint> m_vertexAttribArrayEnabledStates; | 
| 80 |     QScopedArrayPointer<GLint> m_vertexAttribArrayBoundBuffers; | 
| 81 |     QScopedArrayPointer<GLint> m_vertexAttribArraySizes; | 
| 82 |     QScopedArrayPointer<GLint> m_vertexAttribArrayTypes; | 
| 83 |     QScopedArrayPointer<GLint> m_vertexAttribArrayNormalized; | 
| 84 |     QScopedArrayPointer<GLint> m_vertexAttribArrayStrides; | 
| 85 |     QScopedArrayPointer<void *> m_vertexAttribArrayOffsets; | 
| 86 |  | 
| 87 |     GLint m_activeTexture; | 
| 88 |     GLint m_texBinding2D; | 
| 89 |     GLint m_frontFace; | 
| 90 |     GLboolean m_isCullFaceEnabled; | 
| 91 |     GLint m_cullFaceMode; | 
| 92 |     GLint m_blendEquationRGB; | 
| 93 |     GLint m_blendEquationAlpha; | 
| 94 |     GLint m_blendDestAlpha; | 
| 95 |     GLint m_blendDestRGB; | 
| 96 |     GLint m_blendSrcAlpha; | 
| 97 |     GLint m_blendSrcRGB; | 
| 98 |     GLint m_boundArrayBuffer; | 
| 99 |     GLint m_boundElementArrayBuffer; | 
| 100 |     GLboolean m_polygonOffsetFillEnabled; | 
| 101 |     GLfloat m_polygonOffsetFactor; | 
| 102 |     GLfloat m_polygonOffsetUnits; | 
| 103 | }; | 
| 104 |  | 
| 105 | #endif | 
| 106 |  |