133 lines
4.6 KiB
C
133 lines
4.6 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, void *closure);
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typedef void (*DamageDestroyFunc) (DamagePtr pDamage, void *closure);
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/* It's the responsibility of the driver to duplicate both regions. */
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/* At some point DamageRegionRendered() must be called. */
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typedef void (*DamageMarkerFunc) (DrawablePtr pDrawable, DamagePtr pDamage, RegionPtr pOldDamage, RegionPtr pRegion, 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,
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ScreenPtr pScreen,
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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,
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DamagePtr pDamage);
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extern _X_EXPORT void
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DamageUnregister (DrawablePtr pDrawable,
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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,
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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 some time after rendering is done, only relevant when a damageMarker is provided. */
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extern _X_EXPORT void
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DamageRegionRendered (DrawablePtr pDrawable, DamagePtr pDamage, RegionPtr pOldDamage, RegionPtr pRegion);
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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,
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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 void
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DamageSetPostRenderingFunctions(DamagePtr pDamage, DamageReportFunc damageReportPostRendering,
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DamageMarkerFunc damageMarker);
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extern _X_EXPORT DamageScreenFuncsPtr
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DamageGetScreenFuncs (ScreenPtr);
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#endif /* _DAMAGE_H_ */
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