1*4882a593Smuzhiyun /* 2*4882a593Smuzhiyun * Copyright © 2003 Keith Packard 3*4882a593Smuzhiyun * 4*4882a593Smuzhiyun * Permission to use, copy, modify, distribute, and sell this software and its 5*4882a593Smuzhiyun * documentation for any purpose is hereby granted without fee, provided that 6*4882a593Smuzhiyun * the above copyright notice appear in all copies and that both that 7*4882a593Smuzhiyun * copyright notice and this permission notice appear in supporting 8*4882a593Smuzhiyun * documentation, and that the name of Keith Packard not be used in 9*4882a593Smuzhiyun * advertising or publicity pertaining to distribution of the software without 10*4882a593Smuzhiyun * specific, written prior permission. Keith Packard makes no 11*4882a593Smuzhiyun * representations about the suitability of this software for any purpose. It 12*4882a593Smuzhiyun * is provided "as is" without express or implied warranty. 13*4882a593Smuzhiyun * 14*4882a593Smuzhiyun * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, 15*4882a593Smuzhiyun * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO 16*4882a593Smuzhiyun * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR 17*4882a593Smuzhiyun * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, 18*4882a593Smuzhiyun * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER 19*4882a593Smuzhiyun * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR 20*4882a593Smuzhiyun * PERFORMANCE OF THIS SOFTWARE. 21*4882a593Smuzhiyun */ 22*4882a593Smuzhiyun 23*4882a593Smuzhiyun #ifdef HAVE_DIX_CONFIG_H 24*4882a593Smuzhiyun #include <dix-config.h> 25*4882a593Smuzhiyun #endif 26*4882a593Smuzhiyun 27*4882a593Smuzhiyun #ifndef _DAMAGE_H_ 28*4882a593Smuzhiyun #define _DAMAGE_H_ 29*4882a593Smuzhiyun 30*4882a593Smuzhiyun typedef struct _damage *DamagePtr; 31*4882a593Smuzhiyun 32*4882a593Smuzhiyun typedef enum _damageReportLevel { 33*4882a593Smuzhiyun DamageReportRawRegion, 34*4882a593Smuzhiyun DamageReportDeltaRegion, 35*4882a593Smuzhiyun DamageReportBoundingBox, 36*4882a593Smuzhiyun DamageReportNonEmpty, 37*4882a593Smuzhiyun DamageReportNone 38*4882a593Smuzhiyun } DamageReportLevel; 39*4882a593Smuzhiyun 40*4882a593Smuzhiyun typedef void (*DamageReportFunc) (DamagePtr pDamage, RegionPtr pRegion, 41*4882a593Smuzhiyun void *closure); 42*4882a593Smuzhiyun typedef void (*DamageDestroyFunc) (DamagePtr pDamage, void *closure); 43*4882a593Smuzhiyun 44*4882a593Smuzhiyun typedef void (*DamageScreenCreateFunc) (DamagePtr); 45*4882a593Smuzhiyun typedef void (*DamageScreenRegisterFunc) (DrawablePtr, DamagePtr); 46*4882a593Smuzhiyun typedef void (*DamageScreenUnregisterFunc) (DrawablePtr, DamagePtr); 47*4882a593Smuzhiyun typedef void (*DamageScreenDestroyFunc) (DamagePtr); 48*4882a593Smuzhiyun 49*4882a593Smuzhiyun typedef struct _damageScreenFuncs { 50*4882a593Smuzhiyun DamageScreenCreateFunc Create; 51*4882a593Smuzhiyun DamageScreenRegisterFunc Register; 52*4882a593Smuzhiyun DamageScreenUnregisterFunc Unregister; 53*4882a593Smuzhiyun DamageScreenDestroyFunc Destroy; 54*4882a593Smuzhiyun } DamageScreenFuncsRec, *DamageScreenFuncsPtr; 55*4882a593Smuzhiyun 56*4882a593Smuzhiyun extern _X_EXPORT void miDamageCreate(DamagePtr); 57*4882a593Smuzhiyun extern _X_EXPORT void miDamageRegister(DrawablePtr, DamagePtr); 58*4882a593Smuzhiyun extern _X_EXPORT void miDamageUnregister(DrawablePtr, DamagePtr); 59*4882a593Smuzhiyun extern _X_EXPORT void miDamageDestroy(DamagePtr); 60*4882a593Smuzhiyun 61*4882a593Smuzhiyun extern _X_EXPORT Bool 62*4882a593Smuzhiyun DamageSetup(ScreenPtr pScreen); 63*4882a593Smuzhiyun 64*4882a593Smuzhiyun extern _X_EXPORT DamagePtr 65*4882a593Smuzhiyun DamageCreate(DamageReportFunc damageReport, 66*4882a593Smuzhiyun DamageDestroyFunc damageDestroy, 67*4882a593Smuzhiyun DamageReportLevel damageLevel, 68*4882a593Smuzhiyun Bool isInternal, ScreenPtr pScreen, void *closure); 69*4882a593Smuzhiyun 70*4882a593Smuzhiyun extern _X_EXPORT void 71*4882a593Smuzhiyun DamageDrawInternal(ScreenPtr pScreen, Bool enable); 72*4882a593Smuzhiyun 73*4882a593Smuzhiyun extern _X_EXPORT void 74*4882a593Smuzhiyun DamageRegister(DrawablePtr pDrawable, DamagePtr pDamage); 75*4882a593Smuzhiyun 76*4882a593Smuzhiyun extern _X_EXPORT void 77*4882a593Smuzhiyun DamageUnregister(DamagePtr pDamage); 78*4882a593Smuzhiyun 79*4882a593Smuzhiyun extern _X_EXPORT void 80*4882a593Smuzhiyun DamageDestroy(DamagePtr pDamage); 81*4882a593Smuzhiyun 82*4882a593Smuzhiyun extern _X_EXPORT Bool 83*4882a593Smuzhiyun DamageSubtract(DamagePtr pDamage, const RegionPtr pRegion); 84*4882a593Smuzhiyun 85*4882a593Smuzhiyun extern _X_EXPORT void 86*4882a593Smuzhiyun DamageEmpty(DamagePtr pDamage); 87*4882a593Smuzhiyun 88*4882a593Smuzhiyun extern _X_EXPORT RegionPtr 89*4882a593Smuzhiyun DamageRegion(DamagePtr pDamage); 90*4882a593Smuzhiyun 91*4882a593Smuzhiyun extern _X_EXPORT RegionPtr 92*4882a593Smuzhiyun DamagePendingRegion(DamagePtr pDamage); 93*4882a593Smuzhiyun 94*4882a593Smuzhiyun /* In case of rendering, call this before the submitting the commands. */ 95*4882a593Smuzhiyun extern _X_EXPORT void 96*4882a593Smuzhiyun DamageRegionAppend(DrawablePtr pDrawable, RegionPtr pRegion); 97*4882a593Smuzhiyun 98*4882a593Smuzhiyun /* Call this directly after the rendering operation has been submitted. */ 99*4882a593Smuzhiyun extern _X_EXPORT void 100*4882a593Smuzhiyun DamageRegionProcessPending(DrawablePtr pDrawable); 101*4882a593Smuzhiyun 102*4882a593Smuzhiyun /* Call this when you create a new Damage and you wish to send an initial damage message (to it). */ 103*4882a593Smuzhiyun extern _X_EXPORT void 104*4882a593Smuzhiyun DamageReportDamage(DamagePtr pDamage, RegionPtr pDamageRegion); 105*4882a593Smuzhiyun 106*4882a593Smuzhiyun /* Avoid using this call, it only exists for API compatibility. */ 107*4882a593Smuzhiyun extern _X_EXPORT void 108*4882a593Smuzhiyun DamageDamageRegion(DrawablePtr pDrawable, const RegionPtr pRegion); 109*4882a593Smuzhiyun 110*4882a593Smuzhiyun extern _X_EXPORT void 111*4882a593Smuzhiyun DamageSetReportAfterOp(DamagePtr pDamage, Bool reportAfter); 112*4882a593Smuzhiyun 113*4882a593Smuzhiyun extern _X_EXPORT DamageScreenFuncsPtr DamageGetScreenFuncs(ScreenPtr); 114*4882a593Smuzhiyun 115*4882a593Smuzhiyun #endif /* _DAMAGE_H_ */ 116