qt5base-lts/examples/widgets/graphicsview/boxes/glextensions.cpp
Iikka Eklund be15856f61 Change copyrights from Nokia to Digia
Change copyrights and license headers from Nokia to Digia

Change-Id: If1cc974286d29fd01ec6c19dd4719a67f4c3f00e
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
Reviewed-by: Sergio Ahumada <sergio.ahumada@digia.com>
2012-09-22 19:20:11 +02:00

99 lines
3.4 KiB
C++

/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the demonstration applications of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, 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, Digia gives you certain additional
** rights. These rights are described in the Digia 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.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "glextensions.h"
#define RESOLVE_GL_FUNC(f) ok &= bool((f = (_gl##f) context->getProcAddress(QLatin1String("gl" #f))));
bool GLExtensionFunctions::resolve(const QGLContext *context)
{
bool ok = true;
RESOLVE_GL_FUNC(GenFramebuffersEXT)
RESOLVE_GL_FUNC(GenRenderbuffersEXT)
RESOLVE_GL_FUNC(BindRenderbufferEXT)
RESOLVE_GL_FUNC(RenderbufferStorageEXT)
RESOLVE_GL_FUNC(DeleteFramebuffersEXT)
RESOLVE_GL_FUNC(DeleteRenderbuffersEXT)
RESOLVE_GL_FUNC(BindFramebufferEXT)
RESOLVE_GL_FUNC(FramebufferTexture2DEXT)
RESOLVE_GL_FUNC(FramebufferRenderbufferEXT)
RESOLVE_GL_FUNC(CheckFramebufferStatusEXT)
RESOLVE_GL_FUNC(ActiveTexture)
RESOLVE_GL_FUNC(TexImage3D)
RESOLVE_GL_FUNC(GenBuffers)
RESOLVE_GL_FUNC(BindBuffer)
RESOLVE_GL_FUNC(BufferData)
RESOLVE_GL_FUNC(DeleteBuffers)
RESOLVE_GL_FUNC(MapBuffer)
RESOLVE_GL_FUNC(UnmapBuffer)
return ok;
}
bool GLExtensionFunctions::fboSupported() {
return GenFramebuffersEXT
&& GenRenderbuffersEXT
&& BindRenderbufferEXT
&& RenderbufferStorageEXT
&& DeleteFramebuffersEXT
&& DeleteRenderbuffersEXT
&& BindFramebufferEXT
&& FramebufferTexture2DEXT
&& FramebufferRenderbufferEXT
&& CheckFramebufferStatusEXT;
}
bool GLExtensionFunctions::openGL15Supported() {
return ActiveTexture
&& TexImage3D
&& GenBuffers
&& BindBuffer
&& BufferData
&& DeleteBuffers
&& MapBuffer
&& UnmapBuffer;
}
#undef RESOLVE_GL_FUNC