blob: 4b3fb1c5b515f1b9b5a7892155298585299312fb (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
|
/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtCanvas3D 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 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 Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or 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.GPL2 and 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-2.0.html and
** 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 QtCanvas3D 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 "glcommandqueue_p.h"
#include <QtGui/QOpenGLFunctions>
QT_BEGIN_NAMESPACE
QT_CANVAS3D_BEGIN_NAMESPACE
class GLStateStore : public QObject, protected QOpenGLFunctions
{
Q_OBJECT
public:
explicit GLStateStore(QOpenGLContext *context, GLint maxAttribs,
CanvasGlCommandQueue &commandQueue, QObject *parent = 0);
~GLStateStore();
void initGLDefaultState();
void storeStateCommand(const GlCommand &command);
void restoreStoredState();
private:
void enableDisable(bool enable, GLenum flag);
CanvasGlCommandQueue &m_commandQueue;
GLenum m_activeTexture;
GLuint m_boundArrayBuffer;
GLuint m_boundElementArrayBuffer;
GLuint m_boundRenderbuffer;
GLuint m_boundTexture2D;
GLuint m_boundTextureCubeMap;
GLclampf m_blendColor[4];
GLenum m_blendEquationRGB;
GLenum m_blendEquationAlpha;
GLenum m_blendFuncSrcRGB;
GLenum m_blendFuncSrcAlpha;
GLenum m_blendFuncDestRGB;
GLenum m_blendFuncDestAlpha;
GLclampf m_clearColor[4];
GLclampf m_clearDepth;
GLint m_clearStencil;
GLboolean m_colorMask[4];
GLenum m_cullFace;
GLenum m_depthFunc;
GLboolean m_depthMask;
GLclampf m_depthRange[2];
// enable/disable flags
GLboolean m_blendEnabled;
GLboolean m_cullFaceEnabled;
GLboolean m_depthTestEnabled;
GLboolean m_ditherEnabled;
GLboolean m_polygonOffsetFillEnabled;
GLboolean m_sampleAlphaToCoverageEnabled;
GLboolean m_sampleCoverageEnabled;
GLboolean m_scissorTestEnabled;
GLboolean m_stencilTestEnabled;
GLenum m_frontFace;
GLenum m_hintMode;
GLint m_lineWidth;
GLint m_packAlignment;
GLint m_unpackAlignment;
GLfloat m_polygonOffsetFactor;
GLfloat m_polygonOffsetUnits;
GLclampf m_sampleCoverageValue;
GLboolean m_sampleCoverageInvert;
GLint m_scissorBox[4];
GLenum m_stencilFuncFront;
GLint m_stencilFuncRefFront;
GLuint m_stencilFuncMaskFront;
GLenum m_stencilFuncBack;
GLint m_stencilFuncRefBack;
GLuint m_stencilFuncMaskBack;
GLuint m_stencilMaskFront;
GLuint m_stencilMaskBack;
GLenum m_stancilOpSFailFront;
GLenum m_stancilOpDpFailFront;
GLenum m_stancilOpDpPassFront;
GLenum m_stancilOpSFailBack;
GLenum m_stancilOpDpFailBack;
GLenum m_stancilOpDpPassBack;
GLuint m_boundProgram;
GLint m_maxVertexAttribs;
GLint m_highestUsedAttrib;
bool *m_vertexAttribArrayEnabledStates;
GLint *m_vertexAttribArrayBoundBuffers;
GLint *m_vertexAttribArraySizes;
GLenum *m_vertexAttribArrayTypes;
GLboolean *m_vertexAttribArrayNormalized;
GLint *m_vertexAttribArrayStrides;
GLint *m_vertexAttribArrayOffsets;
};
QT_CANVAS3D_END_NAMESPACE
QT_END_NAMESPACE
#endif // GLSTATESTORE_P_H
|
