xserver

xserver with xephyr scale patch
git clone https://git.neptards.moe/u3shit/xserver.git
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damage.h (4079B)

      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,
     41                                   void *closure);
     42 typedef void (*DamageDestroyFunc) (DamagePtr pDamage, void *closure);
     43 
     44 typedef void (*DamageScreenCreateFunc) (DamagePtr);
     45 typedef void (*DamageScreenRegisterFunc) (DrawablePtr, DamagePtr);
     46 typedef void (*DamageScreenUnregisterFunc) (DrawablePtr, DamagePtr);
     47 typedef void (*DamageScreenDestroyFunc) (DamagePtr);
     48 
     49 typedef struct _damageScreenFuncs {
     50     DamageScreenCreateFunc Create;
     51     DamageScreenRegisterFunc Register;
     52     DamageScreenUnregisterFunc Unregister;
     53     DamageScreenDestroyFunc Destroy;
     54 } DamageScreenFuncsRec, *DamageScreenFuncsPtr;
     55 
     56 extern _X_EXPORT void miDamageCreate(DamagePtr);
     57 extern _X_EXPORT void miDamageRegister(DrawablePtr, DamagePtr);
     58 extern _X_EXPORT void miDamageUnregister(DrawablePtr, DamagePtr);
     59 extern _X_EXPORT void miDamageDestroy(DamagePtr);
     60 
     61 extern _X_EXPORT Bool
     62  DamageSetup(ScreenPtr pScreen);
     63 
     64 extern _X_EXPORT DamagePtr
     65 DamageCreate(DamageReportFunc damageReport,
     66              DamageDestroyFunc damageDestroy,
     67              DamageReportLevel damageLevel,
     68              Bool isInternal, ScreenPtr pScreen, void *closure);
     69 
     70 extern _X_EXPORT void
     71  DamageDrawInternal(ScreenPtr pScreen, Bool enable);
     72 
     73 extern _X_EXPORT void
     74  DamageRegister(DrawablePtr pDrawable, DamagePtr pDamage);
     75 
     76 extern _X_EXPORT void
     77  DamageUnregister(DamagePtr pDamage);
     78 
     79 extern _X_EXPORT void
     80  DamageDestroy(DamagePtr pDamage);
     81 
     82 extern _X_EXPORT Bool
     83  DamageSubtract(DamagePtr pDamage, const RegionPtr pRegion);
     84 
     85 extern _X_EXPORT void
     86  DamageEmpty(DamagePtr pDamage);
     87 
     88 extern _X_EXPORT RegionPtr
     89  DamageRegion(DamagePtr pDamage);
     90 
     91 extern _X_EXPORT RegionPtr
     92  DamagePendingRegion(DamagePtr pDamage);
     93 
     94 /* In case of rendering, call this before the submitting the commands. */
     95 extern _X_EXPORT void
     96  DamageRegionAppend(DrawablePtr pDrawable, RegionPtr pRegion);
     97 
     98 /* Call this directly after the rendering operation has been submitted. */
     99 extern _X_EXPORT void
    100  DamageRegionProcessPending(DrawablePtr pDrawable);
    101 
    102 /* Call this when you create a new Damage and you wish to send an initial damage message (to it). */
    103 extern _X_EXPORT void
    104  DamageReportDamage(DamagePtr pDamage, RegionPtr pDamageRegion);
    105 
    106 /* Avoid using this call, it only exists for API compatibility. */
    107 extern _X_EXPORT void
    108  DamageDamageRegion(DrawablePtr pDrawable, const RegionPtr pRegion);
    109 
    110 extern _X_EXPORT void
    111  DamageSetReportAfterOp(DamagePtr pDamage, Bool reportAfter);
    112 
    113 extern _X_EXPORT DamageScreenFuncsPtr DamageGetScreenFuncs(ScreenPtr);
    114 
    115 #endif                          /* _DAMAGE_H_ */