blob: 413d3e30bf08969b6117c9eb5501bfbde495cc23 (
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
|
/****************************************************************************
**
** Copyright (C) 2013 Klaralvdalens Datakonsult AB (KDAB)
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtOpenGL module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** 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.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
******************************************************************************/
#include "qopenglfunctions_es2.h"
#include "qopenglcontext.h"
QT_BEGIN_NAMESPACE
/*!
\class QOpenGLFunctions_ES2
\inmodule QtOpenGL
\since 5.1
\wrapper
\brief The QOpenGLFunctions_ES2 class provides all functions for OpenGL ES 2.
This class is a wrapper for OpenGL ES 2 functions. See reference pages on
\l {http://www.khronos.org/opengles/sdk/docs/man/}{khronos.org} for
function documentation.
\sa QAbstractOpenGLFunctions
*/
QOpenGLFunctions_ES2::QOpenGLFunctions_ES2()
: QAbstractOpenGLFunctions()
, d_es2(0)
{
}
QOpenGLFunctions_ES2::~QOpenGLFunctions_ES2()
{
}
bool QOpenGLFunctions_ES2::initializeOpenGLFunctions()
{
if ( isInitialized() )
return true;
QOpenGLContext* context = QOpenGLContext::currentContext();
// If owned by a context object make sure it is current.
// Also check that current context is compatible
if (((owningContext() && owningContext() == context) || !owningContext())
&& QOpenGLFunctions_ES2::isContextCompatible(context))
{
// Nothing to do, just flag that we are initialized
QAbstractOpenGLFunctions::initializeOpenGLFunctions();
}
return isInitialized();
}
bool QOpenGLFunctions_ES2::isContextCompatible(QOpenGLContext *context)
{
Q_ASSERT(context);
QSurfaceFormat f = context->format();
const QPair<int, int> v = qMakePair(f.majorVersion(), f.minorVersion());
if (v < qMakePair(2, 0))
return false;
if (f.renderableType() != QSurfaceFormat::OpenGLES)
return false;
return true;
}
QOpenGLVersionProfile QOpenGLFunctions_ES2::versionProfile()
{
QOpenGLVersionProfile v;
return v;
}
QT_END_NAMESPACE
|