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
|
/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "cglconvenience_p.h"
#include <QtCore/private/qcore_mac_p.h>
#include <Cocoa/Cocoa.h>
#include <QVector>
void (*qcgl_getProcAddress(const QByteArray &procName))()
{
CFURLRef url = CFURLCreateWithFileSystemPath(kCFAllocatorDefault,
CFSTR("/System/Library/Frameworks/OpenGL.framework"), kCFURLPOSIXPathStyle, false);
CFBundleRef bundle = CFBundleCreate(kCFAllocatorDefault, url);
CFStringRef procNameCF = QCFString::toCFStringRef(QString::fromAscii(procName.constData()));
void *proc = CFBundleGetFunctionPointerForName(bundle, procNameCF);
CFRelease(url);
CFRelease(bundle);
CFRelease(procNameCF);
return (void (*) ())proc;
}
// Match up with createNSOpenGLPixelFormat below!
QSurfaceFormat qcgl_surfaceFormat()
{
QSurfaceFormat format;
format.setRedBufferSize(8);
format.setGreenBufferSize(8);
format.setBlueBufferSize(8);
format.setAlphaBufferSize(8);
/*
format.setDepthBufferSize(24);
format.setAccumBufferSize(0);
format.setStencilBufferSize(8);
format.setSampleBuffers(false);
format.setSamples(1);
format.setDepth(true);
format.setRgba(true);
format.setAlpha(true);
format.setAccum(false);
format.setStencil(true);
format.setStereo(false);
format.setDirectRendering(false);
*/
return format;
}
void *qcgl_createNSOpenGLPixelFormat(const QSurfaceFormat &format)
{
QVector<NSOpenGLPixelFormatAttribute> attrs;
attrs.append(NSOpenGLPFADoubleBuffer);
if (format.profile() == QSurfaceFormat::CoreProfile) {
#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_7
if ((format.majorVersion() == 3 && format.minorVersion() >= 2)
|| format.majorVersion() > 3 ) {
attrs << NSOpenGLPFAOpenGLProfile;
attrs << NSOpenGLProfileVersion3_2Core;
}
#else
qWarning("Mac OSX >= 10.7 is needed for OpenGL Core Profile support");
#endif
}
if (format.depthBufferSize() > 0)
attrs << NSOpenGLPFADepthSize << format.depthBufferSize();
if (format.stencilBufferSize() > 0)
attrs << NSOpenGLPFAStencilSize << format.stencilBufferSize();
if (format.alphaBufferSize() > 0)
attrs << NSOpenGLPFAAlphaSize << format.alphaBufferSize();
if (format.samples() > 0) {
attrs << NSOpenGLPFAMultisample
<< NSOpenGLPFASampleBuffers << (NSOpenGLPixelFormatAttribute) 1
<< NSOpenGLPFASamples << (NSOpenGLPixelFormatAttribute) format.samples();
}
attrs << 0;
NSOpenGLPixelFormat* pixelFormat = [[NSOpenGLPixelFormat alloc] initWithAttributes:attrs.constData()];
return pixelFormat;
}
CGLContextObj qcgl_createGlContext()
{
CGLContextObj context;
NSOpenGLPixelFormat *format = reinterpret_cast<NSOpenGLPixelFormat *>(qcgl_createNSOpenGLPixelFormat(qcgl_surfaceFormat()));
CGLPixelFormatObj cglFormat = static_cast<CGLPixelFormatObj>([format CGLPixelFormatObj]);
CGLCreateContext(cglFormat ,NULL, &context);
return context;
}
|
