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/*
This file is part of the Boson game
Copyright (C) 2005 Rivo Laks <rivolaks@hot.ee>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#define GL_GLEXT_LEGACY
#define GLX_GLXEXT_PROTOTYPES
#ifndef QT_CLEAN_NAMESPACE
#define QT_CLEAN_NAMESPACE
#endif
#include "bogl.h"
#include "boglx.h"
#include "bodebug.h"
#include <qstringlist.h>
#include <qlibrary.h>
// bogl variables
bool bogl_inited = false;
void boglInit()
{
if(bogl_inited)
{
boDebug() << k_funcinfo << "OpenGL already inited, returning" << endl;
return;
}
#ifndef GLX_ARB_get_proc_address
// AB: if this is a linux system, it MUST support GLX_ARB_get_proc_address, as
// it is part of the linux OpenGL ARB.
#error cannot find GLX_ARB_get_proc_address. OpenGL installation broken?
#endif //GLX_ARB_get_proc_address
// Done
bogl_inited = true;
}
QStringList boglGetOpenGLExtensions()
{
QString extensions = (const char*)glGetString(GL_EXTENSIONS);
return QStringList::split(" ", extensions);
}
QStringList boglGetGLUExtensions()
{
QString extensions = (const char*)gluGetString(GLU_EXTENSIONS);
return QStringList::split(" ", extensions);
}
unsigned int boglGetOpenGLVersion()
{
// Find out OpenGL version
QString oglversionstring = QString((const char*)glGetString(GL_VERSION));
unsigned int oglversionmajor = 0, oglversionminor = 0, oglversionrelease = 0;
int oglversionlength = oglversionstring.find(' ');
if (oglversionlength == -1) {
oglversionlength = oglversionstring.length();
}
QString versionstr = oglversionstring.left(oglversionlength);
QStringList versioninfo = QStringList::split(QChar('.'), oglversionstring.left(oglversionlength));
if (versioninfo.count() < 2 || versioninfo.count() > 3) {
boError() << k_funcinfo << "versioninfo has " << versioninfo.count() <<
" entries (version string: '" << oglversionstring << "')" << endl;
} else {
oglversionmajor = versioninfo[0].toUInt();
oglversionminor = versioninfo[1].toUInt();
if (versioninfo.count() == 3) {
oglversionrelease = versioninfo[2].toUInt();
}
}
return MAKE_VERSION_BOGL(oglversionmajor, oglversionminor, oglversionrelease);
}
QString boglGetOpenGLVersionString()
{
return QString::fromLatin1((const char*)glGetString(GL_VERSION));
}
QString boglGetOpenGLVendorString()
{
return QString::fromLatin1((const char*)glGetString(GL_VENDOR));
}
QString boglGetOpenGLRendererString()
{
return QString::fromLatin1((const char*)glGetString(GL_RENDERER));
}
QString boglGetGLUVersionString()
{
return QString::fromLatin1((const char*)gluGetString(GLU_VERSION));
}
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