116 lines
		
	
	
		
			4.0 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			116 lines
		
	
	
		
			4.0 KiB
		
	
	
	
		
			C
		
	
	
	
/*
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 * Copyright © 2003 Keith Packard
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 *
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 * Permission to use, copy, modify, distribute, and sell this software and its
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 * documentation for any purpose is hereby granted without fee, provided that
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 * the above copyright notice appear in all copies and that both that
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 * copyright notice and this permission notice appear in supporting
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 * documentation, and that the name of Keith Packard not be used in
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 * advertising or publicity pertaining to distribution of the software without
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 * specific, written prior permission.  Keith Packard makes no
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 * representations about the suitability of this software for any purpose.  It
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 * is provided "as is" without express or implied warranty.
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 *
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 * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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 * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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 * PERFORMANCE OF THIS SOFTWARE.
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 */
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#ifdef HAVE_DIX_CONFIG_H
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#include <dix-config.h>
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#endif
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#ifndef _DAMAGE_H_
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#define _DAMAGE_H_
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typedef struct _damage *DamagePtr;
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typedef enum _damageReportLevel {
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    DamageReportRawRegion,
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    DamageReportDeltaRegion,
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    DamageReportBoundingBox,
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    DamageReportNonEmpty,
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    DamageReportNone
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} DamageReportLevel;
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typedef void (*DamageReportFunc) (DamagePtr pDamage, RegionPtr pRegion,
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                                  void *closure);
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typedef void (*DamageDestroyFunc) (DamagePtr pDamage, void *closure);
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typedef void (*DamageScreenCreateFunc) (DamagePtr);
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typedef void (*DamageScreenRegisterFunc) (DrawablePtr, DamagePtr);
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typedef void (*DamageScreenUnregisterFunc) (DrawablePtr, DamagePtr);
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typedef void (*DamageScreenDestroyFunc) (DamagePtr);
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typedef struct _damageScreenFuncs {
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    DamageScreenCreateFunc Create;
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    DamageScreenRegisterFunc Register;
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    DamageScreenUnregisterFunc Unregister;
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    DamageScreenDestroyFunc Destroy;
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} DamageScreenFuncsRec, *DamageScreenFuncsPtr;
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extern _X_EXPORT void miDamageCreate(DamagePtr);
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extern _X_EXPORT void miDamageRegister(DrawablePtr, DamagePtr);
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extern _X_EXPORT void miDamageUnregister(DrawablePtr, DamagePtr);
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extern _X_EXPORT void miDamageDestroy(DamagePtr);
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extern _X_EXPORT Bool
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 DamageSetup(ScreenPtr pScreen);
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extern _X_EXPORT DamagePtr
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DamageCreate(DamageReportFunc damageReport,
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             DamageDestroyFunc damageDestroy,
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             DamageReportLevel damageLevel,
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             Bool isInternal, ScreenPtr pScreen, void *closure);
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extern _X_EXPORT void
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 DamageDrawInternal(ScreenPtr pScreen, Bool enable);
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extern _X_EXPORT void
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 DamageRegister(DrawablePtr pDrawable, DamagePtr pDamage);
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extern _X_EXPORT void
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 DamageUnregister(DamagePtr pDamage);
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extern _X_EXPORT void
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 DamageDestroy(DamagePtr pDamage);
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extern _X_EXPORT Bool
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 DamageSubtract(DamagePtr pDamage, const RegionPtr pRegion);
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extern _X_EXPORT void
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 DamageEmpty(DamagePtr pDamage);
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extern _X_EXPORT RegionPtr
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 DamageRegion(DamagePtr pDamage);
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extern _X_EXPORT RegionPtr
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 DamagePendingRegion(DamagePtr pDamage);
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/* In case of rendering, call this before the submitting the commands. */
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extern _X_EXPORT void
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 DamageRegionAppend(DrawablePtr pDrawable, RegionPtr pRegion);
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/* Call this directly after the rendering operation has been submitted. */
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extern _X_EXPORT void
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 DamageRegionProcessPending(DrawablePtr pDrawable);
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/* Call this when you create a new Damage and you wish to send an initial damage message (to it). */
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extern _X_EXPORT void
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 DamageReportDamage(DamagePtr pDamage, RegionPtr pDamageRegion);
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/* Avoid using this call, it only exists for API compatibility. */
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extern _X_EXPORT void
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 DamageDamageRegion(DrawablePtr pDrawable, const RegionPtr pRegion);
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extern _X_EXPORT void
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 DamageSetReportAfterOp(DamagePtr pDamage, Bool reportAfter);
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extern _X_EXPORT DamageScreenFuncsPtr DamageGetScreenFuncs(ScreenPtr);
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#endif                          /* _DAMAGE_H_ */
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