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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the demonstration applications of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** 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, 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.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#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(CreateShaderObjectARB)
RESOLVE_GL_FUNC(ShaderSourceARB)
RESOLVE_GL_FUNC(CompileShaderARB)
RESOLVE_GL_FUNC(GetObjectParameterivARB)
RESOLVE_GL_FUNC(DeleteObjectARB)
RESOLVE_GL_FUNC(GetInfoLogARB)
RESOLVE_GL_FUNC(CreateProgramObjectARB)
RESOLVE_GL_FUNC(AttachObjectARB)
RESOLVE_GL_FUNC(DetachObjectARB)
RESOLVE_GL_FUNC(LinkProgramARB)
RESOLVE_GL_FUNC(UseProgramObjectARB)
RESOLVE_GL_FUNC(GetUniformLocationARB)
RESOLVE_GL_FUNC(Uniform1iARB)
RESOLVE_GL_FUNC(Uniform1fARB)
RESOLVE_GL_FUNC(Uniform4fARB)
RESOLVE_GL_FUNC(UniformMatrix4fvARB)
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::glslSupported() {
return CreateShaderObjectARB
&& CreateShaderObjectARB
&& ShaderSourceARB
&& CompileShaderARB
&& GetObjectParameterivARB
&& DeleteObjectARB
&& GetInfoLogARB
&& CreateProgramObjectARB
&& AttachObjectARB
&& DetachObjectARB
&& LinkProgramARB
&& UseProgramObjectARB
&& GetUniformLocationARB
&& Uniform1iARB
&& Uniform1fARB
&& Uniform4fARB
&& UniformMatrix4fvARB;
}
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
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