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
|
// Copyright (C) 2013 Klaralvdalens Datakonsult AB (KDAB).
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QOPENGLQUERYHELPER_P_H
#define QOPENGLQUERYHELPER_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt 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.
//
#include <QtGui/private/qtguiglobal_p.h>
#if !QT_CONFIG(opengles2)
#include <QtGui/QOpenGLContext>
QT_BEGIN_NAMESPACE
// Helper class used by QOpenGLTimerQuery and later will be used by
// QOpenGLOcclusionQuery
class QOpenGLQueryHelper
{
public:
QOpenGLQueryHelper(QOpenGLContext *context)
: GetQueryObjectuiv(nullptr),
GetQueryObjectiv(nullptr),
GetQueryiv(nullptr),
EndQuery(nullptr),
BeginQuery(nullptr),
IsQuery(nullptr),
DeleteQueries(nullptr),
GenQueries(nullptr),
GetInteger64v(nullptr),
GetQueryObjectui64v(nullptr),
GetQueryObjecti64v(nullptr),
QueryCounter(nullptr)
{
Q_ASSERT(context);
// Core in OpenGL >=1.5
GetQueryObjectuiv = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLuint , GLenum , GLuint *)>(context->getProcAddress("glGetQueryObjectuiv"));
GetQueryObjectiv = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLuint , GLenum , GLint *)>(context->getProcAddress("glGetQueryObjectiv"));
GetQueryiv = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLenum , GLenum , GLint *)>(context->getProcAddress("glGetQueryiv"));
EndQuery = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLenum )>(context->getProcAddress("glEndQuery"));
BeginQuery = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLenum , GLuint )>(context->getProcAddress("glBeginQuery"));
IsQuery = reinterpret_cast<GLboolean (QOPENGLF_APIENTRYP)(GLuint )>(context->getProcAddress("glIsQuery"));
DeleteQueries = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLsizei , const GLuint *)>(context->getProcAddress("glDeleteQueries"));
GenQueries = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLsizei , GLuint *)>(context->getProcAddress("glGenQueries"));
// Core in OpenGL >=3.2
GetInteger64v = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLenum , GLint64 *)>(context->getProcAddress("glGetInteger64v"));
// Core in OpenGL >=3.3 / ARB_timer_query
GetQueryObjectui64v = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLuint , GLenum , GLuint64 *)>(context->getProcAddress("glGetQueryObjectui64v"));
GetQueryObjecti64v = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLuint , GLenum , GLint64 *)>(context->getProcAddress("glGetQueryObjecti64v"));
QueryCounter = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLuint , GLenum )>(context->getProcAddress("glQueryCounter"));
}
inline void glGetQueryObjectuiv(GLuint id, GLenum pname, GLuint *params)
{
GetQueryObjectuiv(id, pname, params);
}
inline void glGetQueryObjectiv(GLuint id, GLenum pname, GLint *params)
{
GetQueryObjectiv(id, pname, params);
}
inline void glGetQueryiv(GLenum target, GLenum pname, GLint *params)
{
GetQueryiv(target, pname, params);
}
inline void glEndQuery(GLenum target)
{
EndQuery(target);
}
inline void glBeginQuery(GLenum target, GLuint id)
{
BeginQuery(target, id);
}
inline GLboolean glIsQuery(GLuint id)
{
return IsQuery(id);
}
inline void glDeleteQueries(GLsizei n, const GLuint *ids)
{
DeleteQueries(n, ids);
}
inline void glGenQueries(GLsizei n, GLuint *ids)
{
GenQueries(n, ids);
}
inline void glGetInteger64v(GLenum pname, GLint64 *params)
{
GetInteger64v(pname, params);
}
inline void glGetQueryObjectui64v(GLuint id, GLenum pname, GLuint64 *params)
{
GetQueryObjectui64v(id, pname, params);
}
inline void glGetQueryObjecti64v(GLuint id, GLenum pname, GLint64 *params)
{
GetQueryObjecti64v(id, pname, params);
}
inline void glQueryCounter(GLuint id, GLenum target)
{
QueryCounter(id, target);
}
private:
// Core in OpenGL >=1.5
void (QOPENGLF_APIENTRYP GetQueryObjectuiv)(GLuint id, GLenum pname, GLuint *params);
void (QOPENGLF_APIENTRYP GetQueryObjectiv)(GLuint id, GLenum pname, GLint *params);
void (QOPENGLF_APIENTRYP GetQueryiv)(GLenum target, GLenum pname, GLint *params);
void (QOPENGLF_APIENTRYP EndQuery)(GLenum target);
void (QOPENGLF_APIENTRYP BeginQuery)(GLenum target, GLuint id);
GLboolean (QOPENGLF_APIENTRYP IsQuery)(GLuint id);
void (QOPENGLF_APIENTRYP DeleteQueries)(GLsizei n, const GLuint *ids);
void (QOPENGLF_APIENTRYP GenQueries)(GLsizei n, GLuint *ids);
// Core in OpenGL >=3.2
void (QOPENGLF_APIENTRYP GetInteger64v)(GLenum pname, GLint64 *params);
// Core in OpenGL >=3.3 and provided by ARB_timer_query
void (QOPENGLF_APIENTRYP GetQueryObjectui64v)(GLuint id, GLenum pname, GLuint64 *params);
void (QOPENGLF_APIENTRYP GetQueryObjecti64v)(GLuint id, GLenum pname, GLint64 *params);
void (QOPENGLF_APIENTRYP QueryCounter)(GLuint id, GLenum target);
};
QT_END_NAMESPACE
#endif
#endif // QOPENGLQUERYHELPER_P_H
|
