129 lines
		
	
	
		
			4.5 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			129 lines
		
	
	
		
			4.5 KiB
		
	
	
	
		
			C
		
	
	
	
| /*
 | |
|  * 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);
 | |
| /* It's the responsibility of the driver to duplicate both regions. */
 | |
| /* At some point DamageRegionRendered() must be called. */
 | |
| typedef void (*DamageMarkerFunc) (DrawablePtr pDrawable, DamagePtr pDamage, RegionPtr pOldDamage, RegionPtr pRegion, void *closure);
 | |
| 
 | |
| typedef void (*DamageScreenCreateFunc) (DamagePtr);
 | |
| typedef void (*DamageScreenRegisterFunc) (DrawablePtr, DamagePtr);
 | |
| typedef void (*DamageScreenUnregisterFunc) (DrawablePtr, DamagePtr);
 | |
| typedef void (*DamageScreenDestroyFunc) (DamagePtr);
 | |
| 
 | |
| typedef struct _damageScreenFuncs {
 | |
|     DamageScreenCreateFunc      Create;
 | |
|     DamageScreenRegisterFunc    Register;
 | |
|     DamageScreenUnregisterFunc  Unregister;
 | |
|     DamageScreenDestroyFunc     Destroy;
 | |
| } DamageScreenFuncsRec, *DamageScreenFuncsPtr;
 | |
| 
 | |
| extern _X_EXPORT void miDamageCreate (DamagePtr);
 | |
| extern _X_EXPORT void miDamageRegister (DrawablePtr, DamagePtr);
 | |
| extern _X_EXPORT void miDamageUnregister (DrawablePtr, DamagePtr);
 | |
| extern _X_EXPORT void miDamageDestroy (DamagePtr);
 | |
| 
 | |
| extern _X_EXPORT Bool
 | |
| DamageSetup (ScreenPtr pScreen);
 | |
|     
 | |
| extern _X_EXPORT DamagePtr
 | |
| DamageCreate (DamageReportFunc  damageReport,
 | |
| 	      DamageDestroyFunc	damageDestroy,
 | |
| 	      DamageReportLevel damageLevel,
 | |
| 	      Bool		isInternal,
 | |
| 	      ScreenPtr		pScreen,
 | |
| 	      void *		closure);
 | |
| 
 | |
| extern _X_EXPORT void
 | |
| DamageDrawInternal (ScreenPtr pScreen, Bool enable);
 | |
| 
 | |
| extern _X_EXPORT void
 | |
| DamageRegister (DrawablePtr	pDrawable,
 | |
| 		DamagePtr	pDamage);
 | |
| 
 | |
| extern _X_EXPORT void
 | |
| DamageUnregister (DrawablePtr	pDrawable,
 | |
| 		  DamagePtr	pDamage);
 | |
| 
 | |
| extern _X_EXPORT void
 | |
| DamageDestroy (DamagePtr pDamage);
 | |
| 
 | |
| extern _X_EXPORT Bool
 | |
| DamageSubtract (DamagePtr	    pDamage,
 | |
| 		const RegionPtr	    pRegion);
 | |
| 
 | |
| extern _X_EXPORT void
 | |
| DamageEmpty (DamagePtr pDamage);
 | |
| 
 | |
| extern _X_EXPORT RegionPtr
 | |
| DamageRegion (DamagePtr		    pDamage);
 | |
| 
 | |
| extern _X_EXPORT RegionPtr
 | |
| DamagePendingRegion (DamagePtr	    pDamage);
 | |
| 
 | |
| /* In case of rendering, call this before the submitting the commands. */
 | |
| extern _X_EXPORT void
 | |
| DamageRegionAppend (DrawablePtr pDrawable, RegionPtr pRegion);
 | |
| 
 | |
| /* Call this directly after the rendering operation has been submitted. */
 | |
| extern _X_EXPORT void
 | |
| DamageRegionProcessPending (DrawablePtr pDrawable);
 | |
| 
 | |
| /* Call this some time after rendering is done, only relevant when a damageMarker is provided. */
 | |
| extern _X_EXPORT void
 | |
| DamageRegionRendered (DrawablePtr pDrawable, DamagePtr pDamage, RegionPtr pOldDamage, RegionPtr pRegion);
 | |
| 
 | |
| /* Avoid using this call, it only exists for API compatibility. */
 | |
| extern _X_EXPORT void
 | |
| DamageDamageRegion (DrawablePtr	    pDrawable,
 | |
| 		    const RegionPtr pRegion);
 | |
| 
 | |
| extern _X_EXPORT void
 | |
| DamageSetReportAfterOp (DamagePtr pDamage, Bool reportAfter);
 | |
| 
 | |
| extern _X_EXPORT void
 | |
| DamageSetPostRenderingFunctions(DamagePtr pDamage, DamageReportFunc damageReportPostRendering,
 | |
| 				DamageMarkerFunc damageMarker);
 | |
| 
 | |
| extern _X_EXPORT DamageScreenFuncsPtr
 | |
| DamageGetScreenFuncs (ScreenPtr);
 | |
| 
 | |
| #endif /* _DAMAGE_H_ */
 |