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Diffstat (limited to 'src/platformsupport/cglconvenience/cglconvenience.mm')
-rw-r--r-- | src/platformsupport/cglconvenience/cglconvenience.mm | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/src/platformsupport/cglconvenience/cglconvenience.mm b/src/platformsupport/cglconvenience/cglconvenience.mm new file mode 100644 index 0000000000..6b0354834d --- /dev/null +++ b/src/platformsupport/cglconvenience/cglconvenience.mm @@ -0,0 +1,108 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** 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> + +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() +{ + NSOpenGLPixelFormatAttribute attrs[] = + { + NSOpenGLPFADoubleBuffer, + NSOpenGLPFADepthSize, 32, + NSOpenGLPFAMultisample, + NSOpenGLPFASampleBuffers, (NSOpenGLPixelFormatAttribute)1, + NSOpenGLPFASamples, (NSOpenGLPixelFormatAttribute) 8, + 0 + }; + + NSOpenGLPixelFormat* pixelFormat = [[NSOpenGLPixelFormat alloc] initWithAttributes:attrs]; + return pixelFormat; +} + +CGLContextObj qcgl_createGlContext() +{ + CGLContextObj context; + NSOpenGLPixelFormat *format = reinterpret_cast<NSOpenGLPixelFormat *>(qcgl_createNSOpenGLPixelFormat()); + CGLPixelFormatObj cglFormat = static_cast<CGLPixelFormatObj>([format CGLPixelFormatObj]); + CGLCreateContext(cglFormat ,NULL, &context); + return context; +} + |