/usr/include/grits/gtkgl.h is in libgrits-dev 0.8.1-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 | /*
* Copyright (C) 2011 Andy Spencer <andy753421@gmail.com>
*
* 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 3 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/>.
*/
#ifndef __GTK_GL_H__
#define __GTK_GL_H__
#include <gtk/gtk.h>
/* Platform dependant OpenGL includes */
#ifdef SYS_MAC
#include <OpenGL/gl.h>
#include <OpenGL/glu.h>
#else
#include <GL/gl.h>
#include <GL/glu.h>
#include <GL/glext.h>
#endif
/* Call before widget is realized */
void gtk_gl_enable(GtkWidget *widget);
/* Call at the start of expose */
void gtk_gl_begin(GtkWidget *widget);
/* Call at the end of expose */
void gtk_gl_end(GtkWidget *widget);
/* Call when done to cleanup data */
void gtk_gl_disable(GtkWidget *widget);
#endif
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