bfbe971ed6
performance impact with either glxgears or the launch feedback icon, so KWIN_NVIDIA_HACK=1 is the default again. CCMAIL: kwin@kde.org svn path=/trunk/KDE/kdebase/workspace/; revision=787993
50 lines
1.6 KiB
C++
50 lines
1.6 KiB
C++
/********************************************************************
|
|
KWin - the KDE window manager
|
|
This file is part of the KDE project.
|
|
|
|
Copyright (C) 2007 Lubos Lunak <l.lunak@kde.org>
|
|
|
|
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, see <http://www.gnu.org/licenses/>.
|
|
*********************************************************************/
|
|
|
|
/*
|
|
|
|
The only purpose of this file is to be later in the link order than
|
|
(nvidia's) libGL, thus being initialized by the dynamic linker before it,
|
|
allowing it to set __GL_YIELD=NOTHING soon enough for libGL to notice it.
|
|
|
|
*/
|
|
|
|
#include <stdlib.h>
|
|
#include <kdefakes.h>
|
|
|
|
class kwinnvidiahack
|
|
{
|
|
public:
|
|
kwinnvidiahack();
|
|
};
|
|
|
|
kwinnvidiahack::kwinnvidiahack()
|
|
{
|
|
const char* env = getenv( "KWIN_NVIDIA_HACK" );
|
|
#if 1 // turned on by default
|
|
if( env == NULL || env[ 0 ] != '0' )
|
|
setenv( "__GL_YIELD", "NOTHING", true );
|
|
#else // turned off by default
|
|
if( env != NULL && env[ 0 ] != '0' )
|
|
setenv( "__GL_YIELD", "NOTHING", true );
|
|
#endif
|
|
}
|
|
|
|
kwinnvidiahack kwinnvidiahackinst;
|