51 lines
1.5 KiB
C++
51 lines
1.5 KiB
C++
/********************************************************************
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KWin - the KDE window manager
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This file is part of the KDE project.
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Copyright (C) 2007 Lubos Lunak <l.lunak@kde.org>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*********************************************************************/
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// krazy:skip
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/*
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The only purpose of this file is to be later in the link order than
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(nvidia's) libGL, thus being initialized by the dynamic linker before it,
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allowing it to set __GL_YIELD=NOTHING soon enough for libGL to notice it.
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*/
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#include <stdlib.h>
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class kwinnvidiahack
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{
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public:
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kwinnvidiahack();
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};
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kwinnvidiahack::kwinnvidiahack()
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{
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const char* env = getenv("KWIN_NVIDIA_HACK");
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#if 1 // turned on by default
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if (env == NULL || env[ 0 ] != '0')
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setenv("__GL_YIELD", "NOTHING", true);
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#else // turned off by default
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if (env != NULL && env[ 0 ] != '0')
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setenv("__GL_YIELD", "NOTHING", true);
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#endif
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}
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kwinnvidiahack kwinnvidiahackinst;
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