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8bea52bb0b
This is initially based around the requirements for handling internal fallbacks to the image compositor and reducing the number of pixels required to be transferred. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
82 lines
2.5 KiB
C
82 lines
2.5 KiB
C
/* cairo - a vector graphics library with display and print output
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*
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* Copyright © 2012 Intel Corporation
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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 either under the terms of the GNU Lesser General Public
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* License version 2.1 as published by the Free Software Foundation
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* (the "LGPL") or, at your option, under the terms of the Mozilla
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* Public License Version 1.1 (the "MPL"). If you do not alter this
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* notice, a recipient may use your version of this file under either
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* the MPL or the LGPL.
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*
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* You should have received a copy of the LGPL along with this library
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* in the file COPYING-LGPL-2.1; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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* You should have received a copy of the MPL along with this library
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* in the file COPYING-MPL-1.1
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*
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* The contents of this file are subject to the Mozilla Public License
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* Version 1.1 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY
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* OF ANY KIND, either express or implied. See the LGPL or the MPL for
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* the specific language governing rights and limitations.
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*
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* The Original Code is the cairo graphics library.
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*
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* The Initial Developer of the Original Code is Chris Wilson
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*
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* Contributor(s):
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* Chris Wilson <chris@chris-wilson.co.uk>
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*/
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#ifndef CAIRO_DAMAGE_PRIVATE_H
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#define CAIRO_DAMAGE_PRIVATE_H
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#include "cairo-types-private.h"
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#include <pixman.h>
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CAIRO_BEGIN_DECLS
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struct _cairo_damage {
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cairo_status_t status;
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cairo_region_t *region;
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int dirty, remain;
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struct _cairo_damage_chunk {
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struct _cairo_damage_chunk *next;
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cairo_box_t *base;
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int count;
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int size;
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} chunks, *tail;
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cairo_box_t boxes[32];
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};
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cairo_private cairo_damage_t *
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_cairo_damage_create (void);
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cairo_private cairo_damage_t *
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_cairo_damage_add_box (cairo_damage_t *damage,
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const cairo_box_t *box);
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cairo_private cairo_damage_t *
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_cairo_damage_add_rectangle (cairo_damage_t *damage,
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const cairo_rectangle_int_t *rect);
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cairo_private cairo_damage_t *
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_cairo_damage_add_region (cairo_damage_t *damage,
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const cairo_region_t *region);
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cairo_private cairo_damage_t *
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_cairo_damage_reduce (cairo_damage_t *damage);
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cairo_private void
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_cairo_damage_destroy (cairo_damage_t *damage);
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CAIRO_END_DECLS
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#endif /* CAIRO_DAMAGE_PRIVATE_H */
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