summaryrefslogtreecommitdiffstats
path: root/src/datavisualization/utils/shaderhelper_p.h
blob: c4e4a717f4f0b1846e578993f72dbf9f6b1470f8 (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 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 SHADERHELPER_P_H
#define SHADERHELPER_P_H

#include "datavisualizationglobal_p.h"

QT_FORWARD_DECLARE_CLASS(QOpenGLShaderProgram)

QT_BEGIN_NAMESPACE_DATAVISUALIZATION

class ShaderHelper
{
    public:
    ShaderHelper(QObject *parent,
                 const QString &vertexShader = QString(),
                 const QString &fragmentShader = QString(),
                 const QString &texture = QString(),
                 const QString &depthTexture = QString());
    ~ShaderHelper();

    void setShaders(const QString &vertexShader, const QString &fragmentShader);
    void setTextures(const QString &texture, const QString &depthTexture);

    void initialize();
    bool testCompile();
    void bind();
    void release();
    void setUniformValue(GLint uniform, const QVector2D &value);
    void setUniformValue(GLint uniform, const QVector3D &value);
    void setUniformValue(GLint uniform, const QVector4D &value);
    void setUniformValue(GLint uniform, const QMatrix4x4 &value);
    void setUniformValue(GLint uniform, GLfloat value);
    void setUniformValue(GLint uniform, GLint value);
    void setUniformValueArray(GLint uniform,  const QVector4D *values, int count);

    GLint MVP();
    GLint view();
    GLint model();
    GLint nModel();
    GLint depth();
    GLint lightP();
    GLint lightS();
    GLint ambientS();
    GLint shadowQ();
    GLint color();
    GLint texture();
    GLint shadow();
    GLint gradientMin();
    GLint gradientHeight();
    GLint lightColor();
    GLint volumeSliceIndices();
    GLint colorIndex();
    GLint cameraPositionRelativeToModel();
    GLint color8Bit();
    GLint textureDimensions();
    GLint sampleCount();
    GLint alphaMultiplier();
    GLint preserveOpacity();
    GLint maxBounds();
    GLint minBounds();
    GLint sliceFrameWidth();

    GLint posAtt();
    GLint uvAtt();
    GLint normalAtt();

    private:
    QObject *m_caller;
    QOpenGLShaderProgram *m_program;

    QString m_vertexShaderFile;
    QString m_fragmentShaderFile;

    QString m_textureFile;
    QString m_depthTextureFile;

    GLint m_positionAttr;
    GLint m_uvAttr;
    GLint m_normalAttr;

    GLint m_colorUniform;
    GLint m_viewMatrixUniform;
    GLint m_modelMatrixUniform;
    GLint m_invTransModelMatrixUniform;
    GLint m_depthMatrixUniform;
    GLint m_mvpMatrixUniform;
    GLint m_lightPositionUniform;
    GLint m_lightStrengthUniform;
    GLint m_ambientStrengthUniform;
    GLint m_shadowQualityUniform;
    GLint m_textureUniform;
    GLint m_shadowUniform;
    GLint m_gradientMinUniform;
    GLint m_gradientHeightUniform;
    GLint m_lightColorUniform;
    GLint m_volumeSliceIndicesUniform;
    GLint m_colorIndexUniform;
    GLint m_cameraPositionRelativeToModelUniform;
    GLint m_color8BitUniform;
    GLint m_textureDimensionsUniform;
    GLint m_sampleCountUniform;
    GLint m_alphaMultiplierUniform;
    GLint m_preserveOpacityUniform;
    GLint m_minBoundsUniform;
    GLint m_maxBoundsUniform;
    GLint m_sliceFrameWidthUniform;

    GLboolean m_initialized;
};

QT_END_NAMESPACE_DATAVISUALIZATION

#endif