mirror of
https://git.code.sf.net/p/quake/quakeforge
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74 lines
1.7 KiB
C
74 lines
1.7 KiB
C
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/*
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gl_funcs.c
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GL functions.
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Copyright (C) 1996-1997 Id Software, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (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.
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See the 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, write to:
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Free Software Foundation, Inc.
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59 Temple Place - Suite 330
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Boston, MA 02111-1307, USA
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$Id$
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#ifdef HAVE_STRING_H
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# include <string.h>
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#endif
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#ifdef HAVE_STRINGS_H
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# include <strings.h>
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#endif
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#include <stdio.h>
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#include <dlfcn.h>
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#include <QF/GL/types.h>
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#include <QF/GL/funcs.h>
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#include <QF/cvar.h>
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#include <QF/console.h>
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#include "r_cvar.h"
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// First we need to get all the function pointers declared.
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#define QFGL_NEED(ret, name, args) ret (* QFGL_##name) args = NULL;
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#include "QF/GL/qf_funcs_list.h"
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#undef QFGL_NEED
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// Then we need to open the libGL and set all the symbols.
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qboolean GLF_Init ()
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{
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void *handle;
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handle = dlopen (gl_libgl->string, RTLD_NOW);
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if (!handle) {
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Con_Printf("Can't open libgl %s: %s\n", gl_libgl->string, dlerror());
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return false;
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}
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#define QFGL_NEED(ret, name, args) \
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QFGL_##name = dlsym(handle, #name); \
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if (!QFGL_##name) { \
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Con_Printf("Can't load symbol %s: %s\n", #name, dlerror()); \
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}
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#include "QF/GL/qf_funcs_list.h"
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#undef QFGL_NEED
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return true;
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}
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