/*
 *
 * Copyright © 2003 Keith Packard
 *
 * Permission to use, copy, modify, distribute, and sell this software and its
 * documentation for any purpose is hereby granted without fee, provided that
 * the above copyright notice appear in all copies and that both that
 * copyright notice and this permission notice appear in supporting
 * documentation, and that the name of Keith Packard not be used in
 * advertising or publicity pertaining to distribution of the software without
 * specific, written prior permission.  Keith Packard makes no
 * representations about the suitability of this software for any purpose.  It
 * is provided "as is" without express or implied warranty.
 *
 * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
 * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 * PERFORMANCE OF THIS SOFTWARE.
 */

#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
#endif

#ifndef _DAMAGE_H_
#define _DAMAGE_H_

typedef struct _damage *DamagePtr;

typedef enum _damageReportLevel {
    DamageReportRawRegion,
    DamageReportDeltaRegion,
    DamageReportBoundingBox,
    DamageReportNonEmpty,
    DamageReportNone
} DamageReportLevel;

typedef void (*DamageReportFunc) (DamagePtr pDamage, RegionPtr pRegion,
                                  void *closure);
typedef void (*DamageDestroyFunc) (DamagePtr pDamage, void *closure);

Bool
 DamageSetup(ScreenPtr pScreen);

DamagePtr
DamageCreate(DamageReportFunc damageReport,
             DamageDestroyFunc damageDestroy,
             DamageReportLevel damageLevel,
             Bool isInternal, ScreenPtr pScreen, void *closure);

void
 DamageDrawInternal(ScreenPtr pScreen, Bool enable);

void
 DamageRegister(DrawablePtr pDrawable, DamagePtr pDamage);

void
 DamageUnregister(DrawablePtr pDrawable, DamagePtr pDamage);

void
 DamageDestroy(DamagePtr pDamage);

Bool
 DamageSubtract(DamagePtr pDamage, const RegionPtr pRegion);

void
 DamageEmpty(DamagePtr pDamage);

RegionPtr
 DamageRegion(DamagePtr pDamage);

void
 DamageDamageRegion(DrawablePtr pDrawable, const RegionPtr pRegion);

void
 DamageSetReportAfterOp(DamagePtr pDamage, Bool reportAfter);

#endif                          /* _DAMAGE_H_ */