/****************************************************************************+
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**+
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).+
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** All rights reserved.+
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** Contact: Nokia Corporation (qt-info@nokia.com)+
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**+
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** This file is part of the demonstration applications of the Qt Toolkit.+
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**+
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** $QT_BEGIN_LICENSE:LGPL$+
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** No Commercial Usage+
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** This file contains pre-release code and may not be distributed.+
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** You may use this file in accordance with the terms and conditions+
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** contained in the Technology Preview License Agreement accompanying+
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** this package.+
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**+
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** GNU Lesser General Public License Usage+
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** Alternatively, this file may be used under the terms of the GNU Lesser+
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** General Public License version 2.1 as published by the Free Software+
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** Foundation and appearing in the file LICENSE.LGPL included in the+
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** packaging of this file.  Please review the following information to+
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** ensure the GNU Lesser General Public License version 2.1 requirements+
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.+
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**+
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** In addition, as a special exception, Nokia gives you certain additional+
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** rights.  These rights are described in the Nokia Qt LGPL Exception+
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.+
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**+
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** If you have questions regarding the use of this file, please contact+
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** Nokia at qt-info@nokia.com.+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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** $QT_END_LICENSE$+
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**+
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****************************************************************************/+
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+
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#include "glextensions.h"+
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+
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#define RESOLVE_GL_FUNC(f) ok &= bool((f = (_gl##f) context->getProcAddress(QLatin1String("gl" #f))));+
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+
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bool GLExtensionFunctions::resolve(const QGLContext *context)+
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{+
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	bool ok = true;+
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+
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	RESOLVE_GL_FUNC(GenFramebuffersEXT)+
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	RESOLVE_GL_FUNC(GenRenderbuffersEXT)+
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	RESOLVE_GL_FUNC(BindRenderbufferEXT)+
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	RESOLVE_GL_FUNC(RenderbufferStorageEXT)+
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	RESOLVE_GL_FUNC(DeleteFramebuffersEXT)+
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	RESOLVE_GL_FUNC(DeleteRenderbuffersEXT)+
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	RESOLVE_GL_FUNC(BindFramebufferEXT)+
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	RESOLVE_GL_FUNC(FramebufferTexture2DEXT)+
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	RESOLVE_GL_FUNC(FramebufferRenderbufferEXT)+
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	RESOLVE_GL_FUNC(CheckFramebufferStatusEXT)+
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+
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        RESOLVE_GL_FUNC(ActiveTexture)+
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	RESOLVE_GL_FUNC(TexImage3D)+
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+
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        RESOLVE_GL_FUNC(GenBuffers)+
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	RESOLVE_GL_FUNC(BindBuffer)+
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	RESOLVE_GL_FUNC(BufferData)+
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	RESOLVE_GL_FUNC(DeleteBuffers)+
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	RESOLVE_GL_FUNC(MapBuffer)+
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	RESOLVE_GL_FUNC(UnmapBuffer)+
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+
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	return ok;+
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}+
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+
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bool GLExtensionFunctions::fboSupported() {+
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    return GenFramebuffersEXT+
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	    && GenRenderbuffersEXT+
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	    && BindRenderbufferEXT+
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	    && RenderbufferStorageEXT+
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	    && DeleteFramebuffersEXT+
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	    && DeleteRenderbuffersEXT+
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	    && BindFramebufferEXT+
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	    && FramebufferTexture2DEXT+
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	    && FramebufferRenderbufferEXT+
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	    && CheckFramebufferStatusEXT;+
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}+
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+
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bool GLExtensionFunctions::openGL15Supported() {+
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    return ActiveTexture+
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	    && TexImage3D+
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            && GenBuffers+
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	    && BindBuffer+
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	    && BufferData+
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	    && DeleteBuffers+
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	    && MapBuffer+
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	    && UnmapBuffer;+
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}+
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+
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#undef RESOLVE_GL_FUNC+
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