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/* -*- mode:c; c-basic-offset: 8; indent-tabs-mode: nil; -*- */
/* Tool to set the property _GNOME_SESSION_ACCELERATED on the root window */
/*
* Copyright (C) 2019 Red Hat, Inc.
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Author:
* Bastien Nocera <hadess@hadess.net>
* Matthias Clasen <mclasen@redhat.com>
*/
#include <gtk/gtk.h>
#include <epoxy/gl.h>
static char *
get_gtk_gles_renderer (void)
{
GdkSurface *surface;
GtkNative *native;
GtkWidget *win;
GdkGLContext *context;
char *renderer = NULL;
win = gtk_window_new ();
gtk_widget_realize (win);
native = gtk_widget_get_native (win);
surface = gtk_native_get_surface (native);
context = gdk_surface_create_gl_context (surface, NULL);
if (!context)
return NULL;
gdk_gl_context_make_current (context);
renderer = g_strdup ((char *) glGetString (GL_RENDERER));
gdk_gl_context_clear_current ();
g_object_unref (context);
return renderer;
}
int
main (int argc, char **argv)
{
g_autofree char *renderer_string = NULL;
gtk_init ();
renderer_string = get_gtk_gles_renderer ();
if (renderer_string) {
g_print ("%s", renderer_string);
return 0;
}
return 1;
}
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