xorg-server-1.4/miext/damage/damage.h

   1 /*
   2  * Copyright © 2003 Keith Packard
   3  *
   4  * Permission to use, copy, modify, distribute, and sell this software and its
   5  * documentation for any purpose is hereby granted without fee, provided that
   6  * the above copyright notice appear in all copies and that both that
   7  * copyright notice and this permission notice appear in supporting
   8  * documentation, and that the name of Keith Packard not be used in
   9  * advertising or publicity pertaining to distribution of the software without
  10  * specific, written prior permission.  Keith Packard makes no
  11  * representations about the suitability of this software for any purpose.  It
  12  * is provided "as is" without express or implied warranty.
  13  *
  14  * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
  15  * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
  16  * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
  17  * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
  18  * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
  19  * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
  20  * PERFORMANCE OF THIS SOFTWARE.
  21  */
  22
  23 #ifdef HAVE_DIX_CONFIG_H
  24 #include <dix-config.h>
  25 #endif
  26
  27 #ifndef _DAMAGE_H_
  28 #define _DAMAGE_H_
  29
  30 typedef struct _damage  *DamagePtr;
  31
  32 typedef enum _damageReportLevel {
  33     DamageReportRawRegion,
  34     DamageReportDeltaRegion,
  35     DamageReportBoundingBox,
  36     DamageReportNonEmpty,
  37     DamageReportNone
  38 } DamageReportLevel;
  39
  40 typedef void (*DamageReportFunc) (DamagePtr pDamage, RegionPtr pRegion, void *closure);
  41 typedef void (*DamageDestroyFunc) (DamagePtr pDamage, void *closure);
  42
  43 Bool
  44 DamageSetup (ScreenPtr pScreen);
  45
  46 DamagePtr
  47 DamageCreate (DamageReportFunc  damageReport,
  48               DamageDestroyFunc damageDestroy,
  49               DamageReportLevel damageLevel,
  50               Bool              isInternal,
  51               ScreenPtr         pScreen,
  52               void *            closure);
  53
  54 void
  55 DamageDrawInternal (ScreenPtr pScreen, Bool enable);
  56
  57 void
  58 DamageRegister (DrawablePtr     pDrawable,
  59                 DamagePtr       pDamage);
  60
  61 void
  62 DamageUnregister (DrawablePtr   pDrawable,
  63                   DamagePtr     pDamage);
  64
  65 void
  66 DamageDestroy (DamagePtr pDamage);
  67
  68 Bool
  69 DamageSubtract (DamagePtr           pDamage,
  70                 const RegionPtr     pRegion);
  71
  72 void
  73 DamageEmpty (DamagePtr pDamage);
  74
  75 RegionPtr
  76 DamageRegion (DamagePtr             pDamage);
  77
  78 void
  79 DamageDamageRegion (DrawablePtr     pDrawable,
  80                     const RegionPtr pRegion);
  81
  82 void
  83 DamageSetReportAfterOp (DamagePtr pDamage, Bool reportAfter);
  84
  85 #endif /* _DAMAGE_H_ */