mutter/clutter/clutter-util.c

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2006-05-29 04:59:36 -04:00
/*
* Clutter.
*
* An OpenGL based 'interactive canvas' library.
*
* Authored By Matthew Allum <mallum@openedhand.com>
*
* Copyright (C) 2006 OpenedHand
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "clutter-util.h"
#include "clutter-main.h"
int
clutter_util_next_p2 (int a)
{
int rval=1;
while(rval < a)
rval <<= 1;
return rval;
}
#if 0
gboolean
clutter_util_can_create_texture (int width, int height)
{
GLint new_width;
glTexImage2D (GL_PROXY_VIDEO_TEXTURE_2D, 0, GL_RGBA,
width, height, 0 /* border */,
GL_RGBA, PIXEL_TYPE, NULL);
glGetTexLevelParameteriv (GL_PROXY_VIDEO_TEXTURE_2D, 0,
GL_VIDEO_TEXTURE_WIDTH, &new_width);
return new_width != 0;
}
#endif