134 lines
4.8 KiB
C
134 lines
4.8 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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/* 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,
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RegionPtr pOldDamage, RegionPtr pRegion,
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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(DrawablePtr pDrawable, 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 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,
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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, 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,
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DamageReportFunc damageReportPostRendering,
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DamageMarkerFunc damageMarker);
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extern _X_EXPORT DamageScreenFuncsPtr DamageGetScreenFuncs(ScreenPtr);
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#endif /* _DAMAGE_H_ */
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