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244cacd14b
* Makefile.am:
* clutter.pc.in:
* clutter/Makefile.am:
* clutter/clutter-backend-glx.c:
* clutter/clutter-backend-glx.h:
* clutter/clutter-event.c:
* clutter/clutter-feature.c:
* clutter/clutter-group.c:
* clutter/clutter-main.c:
* clutter/clutter-main.h:
* clutter/clutter-private.h:
* clutter/clutter-stage-glx.c:
* clutter/clutter-stage-glx.h:
* clutter/clutter-stage.c:
* clutter/clutter-stage.h:
* clutter/clutter-util.c:
* clutter/clutter-util.h:
* clutter/pango/pangoclutter-render.c:
* configure.ac:
* examples/Makefile.am:
Initial work in supporting different GL backends (ie. GLX/EGL/DirectFB etc).
Currently just GLX supported and now mostly self contained.
* TODO:
Add a note about caching glenables
55 lines
1.3 KiB
C
55 lines
1.3 KiB
C
/*
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* Clutter.
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*
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* An OpenGL based 'interactive canvas' library.
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*
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* Authored By Matthew Allum <mallum@openedhand.com>
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*
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* Copyright (C) 2006 OpenedHand
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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/**
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* SECTION:clutter-util
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* @short_description: Misc utility functions.
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*
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* Various misc utilility functions.
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*/
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#include "clutter-util.h"
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#include "clutter-main.h"
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/**
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* clutter_util_next_p2:
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* @a: Value to get the next power
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*
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* Calculates the next power greater than @a.
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*
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* Return value: The next power after @a.
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*/
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int
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clutter_util_next_p2 (int a)
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{
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int rval=1;
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while(rval < a)
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rval <<= 1;
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return rval;
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}
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