hw/nxagent/NXdamage.c: Shrink file, drop duplicate code that can identically be found in miext/damage/damage.c.

1 files changed, 38 insertions, 1894 deletions

diff --git a/nx-X11/programs/Xserver/hw/nxagent/NXdamage.c b/nx-X11/programs/Xserver/hw/nxagent/NXdamage.c
index 278e0727c..1e38722ce 100644
--- a/nx-X11/programs/Xserver/hw/nxagent/NXdamage.c
+++ b/nx-X11/programs/Xserver/hw/nxagent/NXdamage.c
@@ -39,1307 +39,51 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#include    <nx-X11/X.h>
-#include    "scrnintstr.h"
-#include    "windowstr.h"
-#include    <X11/fonts/font.h>
-#include    "dixfontstr.h"
-#include    <X11/fonts/fontstruct.h>
-#include    "mi.h"
-#include    "regionstr.h"
-#include    "globals.h"
-#include    "gcstruct.h"
-#include    "damage.h"
-#include    "damagestr.h"
-#ifdef COMPOSITE
-#include    "cw.h"
-#endif
-
-#define wrap(priv, real, mem, func) {\
-    priv->mem = real->mem; \
-    real->mem = func; \
-}
-
-#define unwrap(priv, real, mem) {\
-    real->mem = priv->mem; \
-}
-
-#define BOX_SAME(a,b) \
-    ((a)->x1 == (b)->x1 && \
-     (a)->y1 == (b)->y1 && \
-     (a)->x2 == (b)->x2 && \
-     (a)->y2 == (b)->y2)
-
-#define DAMAGE_VALIDATE_ENABLE 0
-#define DAMAGE_DEBUG_ENABLE 0
-#if DAMAGE_DEBUG_ENABLE
-#define DAMAGE_DEBUG(x)	ErrorF x
-#else
-#define DAMAGE_DEBUG(x)
-#endif
-
-#define getPixmapDamageRef(pPixmap) \
-    ((DamagePtr *) &(pPixmap->devPrivates[damagePixPrivateIndex].ptr))
-
-#define pixmapDamage(pPixmap)		damagePixPriv(pPixmap)
-
-static DamagePtr *
-getDrawableDamageRef (DrawablePtr pDrawable)
-{
-    PixmapPtr   pPixmap;
-    
-    if (pDrawable->type == DRAWABLE_WINDOW)
-    {
-	ScreenPtr   pScreen = pDrawable->pScreen;
-
-	pPixmap = 0;
-	if (pScreen->GetWindowPixmap
-#ifdef ROOTLESS_WORKAROUND
-	    && ((WindowPtr)pDrawable)->viewable
-#endif
-	    )
-	    pPixmap = (*pScreen->GetWindowPixmap) ((WindowPtr)pDrawable);
-
-	if (!pPixmap)
-	{
-	    damageScrPriv(pScreen);
-
-	    return &pScrPriv->pScreenDamage;
-	}
-    }
-    else
-	pPixmap = (PixmapPtr) pDrawable;
-    return getPixmapDamageRef (pPixmap);
-}
-
-#define getDrawableDamage(pDrawable)	(*getDrawableDamageRef (pDrawable))
-#define getWindowDamage(pWin)		getDrawableDamage(&(pWin)->drawable)
-
-#define drawableDamage(pDrawable)	\
-    DamagePtr	pDamage = getDrawableDamage(pDrawable)
-
-#define windowDamage(pWin)		drawableDamage(&(pWin)->drawable)
-
-#define winDamageRef(pWindow) \
-    DamagePtr	*pPrev = (DamagePtr *) \
-	    &(pWindow->devPrivates[damageWinPrivateIndex].ptr)
-
-#if DAMAGE_DEBUG_ENABLE
-static void
-_damageDamageRegion (DrawablePtr pDrawable, RegionPtr pRegion, Bool clip, int subWindowMode, const char *where)
-#define damageDamageRegion(d,r,c,m) _damageDamageRegion(d,r,c,m,__FUNCTION__)
-#else
-static void
-damageDamageRegion (DrawablePtr pDrawable, RegionPtr pRegion, Bool clip,
-			int subWindowMode)
-#endif
-{
-    ScreenPtr	    pScreen = pDrawable->pScreen;
-    damageScrPriv(pScreen);
-    drawableDamage(pDrawable);
-    DamagePtr	    pNext;
-    RegionRec	    clippedRec;
-    RegionPtr	    pDamageRegion;
-    RegionRec	    pixClip;
-    Bool	    was_empty;
-    RegionRec	    tmpRegion;
-    BoxRec	    tmpBox;
-    int		    draw_x, draw_y;
-#ifdef COMPOSITE
-    int		    screen_x = 0, screen_y = 0;
-#endif
-
-    /* short circuit for empty regions */
-    if (!RegionNotEmpty(pRegion))
-	return;
-    
-#ifdef COMPOSITE
-    /*
-     * When drawing to a pixmap which is storing window contents,
-     * the region presented is in pixmap relative coordinates which
-     * need to be converted to screen relative coordinates
-     */
-    if (pDrawable->type != DRAWABLE_WINDOW)
-    {
-	screen_x = ((PixmapPtr) pDrawable)->screen_x - pDrawable->x;
-	screen_y = ((PixmapPtr) pDrawable)->screen_y - pDrawable->y;
-    }
-    if (screen_x || screen_y)
-        RegionTranslate(pRegion, screen_x, screen_y);
-#endif
-	
-    if (pDrawable->type == DRAWABLE_WINDOW &&
-	((WindowPtr)(pDrawable))->backingStore == NotUseful)
-    {
-	if (subWindowMode == ClipByChildren)
-	{
-	    RegionIntersect(pRegion, pRegion,
-			     &((WindowPtr)(pDrawable))->clipList);
-	}
-	else if (subWindowMode == IncludeInferiors)
-	{
-	    RegionPtr pTempRegion =
-		NotClippedByChildren((WindowPtr)(pDrawable));
-	    RegionIntersect(pRegion, pRegion, pTempRegion);
-	    RegionDestroy(pTempRegion);
-	}
-	/* If subWindowMode is set to an invalid value, don't perform
-	 * any drawable-based clipping. */
-    }
-        
-
-    RegionNull(&clippedRec);
-    for (; pDamage; pDamage = pNext)
-    {
-	pNext = pDamage->pNext;
-	/*
-	 * Check for internal damage and don't send events
-	 */
-	if (pScrPriv->internalLevel > 0 && !pDamage->isInternal)
-	{
-	    DAMAGE_DEBUG (("non internal damage, skipping at %d\n",
-			   pScrPriv->internalLevel));
-	    continue;
-	}
-	/*
-	 * Check for unrealized windows
-	 */
-	if (pDamage->pDrawable->type == DRAWABLE_WINDOW &&
-	    !((WindowPtr) (pDamage->pDrawable))->realized)
-	{
-#if 0
-	    DAMAGE_DEBUG (("damage while window unrealized\n"));
-#endif
-	    continue;
-	}
-	
-	draw_x = pDamage->pDrawable->x;
-	draw_y = pDamage->pDrawable->y;
-#ifdef COMPOSITE
-	/*
-	 * Need to move everyone to screen coordinates
-	 * XXX what about off-screen pixmaps with non-zero x/y?
-	 */
-	if (pDamage->pDrawable->type != DRAWABLE_WINDOW)
-	{
-	    draw_x += ((PixmapPtr) pDamage->pDrawable)->screen_x;
-	    draw_y += ((PixmapPtr) pDamage->pDrawable)->screen_y;
-	}
-#endif
-	
-	/*
-	 * Clip against border or pixmap bounds
-	 */
-	
-	pDamageRegion = pRegion;
-	if (clip || pDamage->pDrawable != pDrawable)
-	{
-	    pDamageRegion = &clippedRec;
-	    if (pDamage->pDrawable->type == DRAWABLE_WINDOW) {
-		RegionIntersect(pDamageRegion, pRegion,
-		    &((WindowPtr)(pDamage->pDrawable))->borderClip);
-	    } else {
-		BoxRec	box;
-		box.x1 = draw_x;
-		box.y1 = draw_y;
-		box.x2 = draw_x + pDamage->pDrawable->width;
-		box.y2 = draw_y + pDamage->pDrawable->height;
-		RegionInit(&pixClip, &box, 1);
-		RegionIntersect(pDamageRegion, pRegion, &pixClip);
-		RegionUninit(&pixClip);
-	    }
-	    /*
-	     * Short circuit empty results
-	     */
-	    if (!RegionNotEmpty(pDamageRegion))
-		continue;
-	}
-	
-	DAMAGE_DEBUG (("%s %d x %d +%d +%d (target 0x%lx monitor 0x%lx)\n",
-		       where,
-		       pDamageRegion->extents.x2 - pDamageRegion->extents.x1,
-		       pDamageRegion->extents.y2 - pDamageRegion->extents.y1,
-		       pDamageRegion->extents.x1, pDamageRegion->extents.y1,
-		       pDrawable->id, pDamage->pDrawable->id));
-	
-	/*
-	 * Move region to target coordinate space
-	 */
-	if (draw_x || draw_y)
-	    RegionTranslate(pDamageRegion, -draw_x, -draw_y);
-	
-	switch (pDamage->damageLevel) {
-	case DamageReportRawRegion:
-	    (*pDamage->damageReport) (pDamage, pDamageRegion, pDamage->closure);
-	    break;
-	case DamageReportDeltaRegion:
-	    RegionNull(&tmpRegion);
-	    RegionSubtract(&tmpRegion, pDamageRegion, &pDamage->damage);
-	    if (RegionNotEmpty(&tmpRegion))
-	    {
-		RegionUnion(&pDamage->damage,
-			     &pDamage->damage, pDamageRegion);
-		(*pDamage->damageReport) (pDamage, &tmpRegion, pDamage->closure);
-	    }
-	    RegionUninit(&tmpRegion);
-	    break;
-	case DamageReportBoundingBox:
-	    tmpBox = *RegionExtents(&pDamage->damage);
-	    RegionUnion(&pDamage->damage,
-			 &pDamage->damage, pDamageRegion);
-	    if (!BOX_SAME (&tmpBox, RegionExtents(&pDamage->damage)))
-		(*pDamage->damageReport) (pDamage, &pDamage->damage, pDamage->closure);
-	    break;
-	case DamageReportNonEmpty:
-	    was_empty = !RegionNotEmpty(&pDamage->damage);
-	    RegionUnion(&pDamage->damage, &pDamage->damage,
-			 pDamageRegion);
-	    if (was_empty && RegionNotEmpty(&pDamage->damage))
-		(*pDamage->damageReport) (pDamage, &pDamage->damage, pDamage->closure);
-	    break;
-	case DamageReportNone:
-	    RegionUnion(&pDamage->damage, &pDamage->damage,
-			 pDamageRegion);
-	    break;
-	}
-	/*
-	 * translate original region back
-	 */
-	if (pDamageRegion == pRegion && (draw_x || draw_y))
-	    RegionTranslate(pDamageRegion, draw_x, draw_y);
-    }
-#ifdef COMPOSITE
-    if (screen_x || screen_y)
-	RegionTranslate(pRegion, -screen_x, -screen_y);
-#endif
-    
-    RegionUninit(&clippedRec);
-}
-
-#if DAMAGE_DEBUG_ENABLE
-#define damageDamageBox(d,b,m) _damageDamageBox(d,b,m,__FUNCTION__)
-static void
-_damageDamageBox (DrawablePtr pDrawable, BoxPtr pBox, int subWindowMode, const char *where)
-#else
-static void
-damageDamageBox (DrawablePtr pDrawable, BoxPtr pBox, int subWindowMode)
-#endif
-{
-    RegionRec	region;
-
-    RegionInit(&region, pBox, 1);
-#if DAMAGE_DEBUG_ENABLE
-    _damageDamageRegion (pDrawable, &region, TRUE, subWindowMode, where);
-#else
-    damageDamageRegion (pDrawable, &region, TRUE, subWindowMode);
-#endif
-    RegionUninit(&region);
-}
-
-static void damageValidateGC(GCPtr, unsigned long, DrawablePtr);
-static void damageChangeGC(GCPtr, unsigned long);
-static void damageCopyGC(GCPtr, unsigned long, GCPtr);
-static void damageDestroyGC(GCPtr);
-static void damageChangeClip(GCPtr, int, void *, int);
-static void damageDestroyClip(GCPtr);
-static void damageCopyClip(GCPtr, GCPtr);
-
-GCFuncs damageGCFuncs = {
-    damageValidateGC, damageChangeGC, damageCopyGC, damageDestroyGC,
-    damageChangeClip, damageDestroyClip, damageCopyClip
-};
-
-extern GCOps damageGCOps;
-
-static Bool
-damageCreateGC(GCPtr pGC)
-{
-    ScreenPtr pScreen = pGC->pScreen;
-    damageScrPriv(pScreen);
-    damageGCPriv(pGC);
-    Bool ret;
-
-    pGC->pCompositeClip = 0;
-    unwrap (pScrPriv, pScreen, CreateGC);
-    if((ret = (*pScreen->CreateGC) (pGC))) {
-	pGCPriv->ops = NULL;
-	pGCPriv->funcs = pGC->funcs;
-	pGC->funcs = &damageGCFuncs;
-    }
-    wrap (pScrPriv, pScreen, CreateGC, damageCreateGC);
-
-    return ret;
-}
-
-#ifdef NOTUSED
-static void
-damageWrapGC (GCPtr pGC)
-{
-    damageGCPriv(pGC);
-
-    pGCPriv->ops = NULL;
-    pGCPriv->funcs = pGC->funcs;
-    pGC->funcs = &damageGCFuncs;
-}
-
-static void
-damageUnwrapGC (GCPtr pGC)
-{
-    damageGCPriv(pGC);
-
-    pGC->funcs = pGCPriv->funcs;
-    if (pGCPriv->ops)
-	pGC->ops = pGCPriv->ops;
-}
-#endif
-
-#define DAMAGE_GC_OP_PROLOGUE(pGC, pDrawable) \
-    damageGCPriv(pGC);  \
-    GCFuncs *oldFuncs = pGC->funcs; \
-    unwrap(pGCPriv, pGC, funcs);  \
-    unwrap(pGCPriv, pGC, ops); \
-
-#define DAMAGE_GC_OP_EPILOGUE(pGC, pDrawable) \
-    wrap(pGCPriv, pGC, funcs, oldFuncs); \
-    wrap(pGCPriv, pGC, ops, &damageGCOps)
-
-#define DAMAGE_GC_FUNC_PROLOGUE(pGC) \
-    damageGCPriv(pGC); \
-    unwrap(pGCPriv, pGC, funcs); \
-    if (pGCPriv->ops) unwrap(pGCPriv, pGC, ops)
-
-#define DAMAGE_GC_FUNC_EPILOGUE(pGC) \
-    wrap(pGCPriv, pGC, funcs, &damageGCFuncs);  \
-    if (pGCPriv->ops) wrap(pGCPriv, pGC, ops, &damageGCOps)
-
-static void
-damageValidateGC(GCPtr         pGC,
-		 unsigned long changes,
-		 DrawablePtr   pDrawable)
-{
-    DAMAGE_GC_FUNC_PROLOGUE (pGC);
-    (*pGC->funcs->ValidateGC)(pGC, changes, pDrawable);
-    pGCPriv->ops = pGC->ops;  /* just so it's not NULL */
-    DAMAGE_GC_FUNC_EPILOGUE (pGC);
-}
-
-static void
-damageDestroyGC(GCPtr pGC)
-{
-    DAMAGE_GC_FUNC_PROLOGUE (pGC);
-    (*pGC->funcs->DestroyGC)(pGC);
-    DAMAGE_GC_FUNC_EPILOGUE (pGC);
-}
-
-static void
-damageChangeGC (GCPtr		pGC,
-		unsigned long   mask)
-{
-    DAMAGE_GC_FUNC_PROLOGUE (pGC);
-    (*pGC->funcs->ChangeGC) (pGC, mask);
-    DAMAGE_GC_FUNC_EPILOGUE (pGC);
-}
-
-static void
-damageCopyGC (GCPtr	    pGCSrc,
-	      unsigned long mask,
-	      GCPtr	    pGCDst)
-{
-    DAMAGE_GC_FUNC_PROLOGUE (pGCDst);
-    (*pGCDst->funcs->CopyGC) (pGCSrc, mask, pGCDst);
-    DAMAGE_GC_FUNC_EPILOGUE (pGCDst);
-}
-
-static void
-damageChangeClip (GCPtr	    pGC,
-		  int	    type,
-		  void      *pvalue,
-		  int	    nrects)
-{
-    DAMAGE_GC_FUNC_PROLOGUE (pGC);
-    (*pGC->funcs->ChangeClip) (pGC, type, pvalue, nrects);
-    DAMAGE_GC_FUNC_EPILOGUE (pGC);
-}
-
-static void
-damageCopyClip(GCPtr pgcDst, GCPtr pgcSrc)
-{
-    DAMAGE_GC_FUNC_PROLOGUE (pgcDst);
-    (* pgcDst->funcs->CopyClip)(pgcDst, pgcSrc);
-    DAMAGE_GC_FUNC_EPILOGUE (pgcDst);
-}
-
-static void
-damageDestroyClip(GCPtr pGC)
-{
-    DAMAGE_GC_FUNC_PROLOGUE (pGC);
-    (* pGC->funcs->DestroyClip)(pGC);
-    DAMAGE_GC_FUNC_EPILOGUE (pGC);
-}
-
-#define TRIM_BOX(box, pGC) if (pGC->pCompositeClip) { \
-    BoxPtr extents = &pGC->pCompositeClip->extents;\
-    if(box.x1 < extents->x1) box.x1 = extents->x1; \
-    if(box.x2 > extents->x2) box.x2 = extents->x2; \
-    if(box.y1 < extents->y1) box.y1 = extents->y1; \
-    if(box.y2 > extents->y2) box.y2 = extents->y2; \
-    }
-
-#define TRANSLATE_BOX(box, pDrawable) { \
-    box.x1 += pDrawable->x; \
-    box.x2 += pDrawable->x; \
-    box.y1 += pDrawable->y; \
-    box.y2 += pDrawable->y; \
-    }
-
-#define TRIM_AND_TRANSLATE_BOX(box, pDrawable, pGC) { \
-    TRANSLATE_BOX(box, pDrawable); \
-    TRIM_BOX(box, pGC); \
-    }
-
-#define BOX_NOT_EMPTY(box) \
-    (((box.x2 - box.x1) > 0) && ((box.y2 - box.y1) > 0))
-
-#define checkGCDamage(d,g)	(getDrawableDamage(d) && \
-				 (!g->pCompositeClip ||\
-				  RegionNotEmpty(\
-						  g->pCompositeClip)))
-
-#ifdef RENDER
-
-#define TRIM_PICTURE_BOX(box, pDst) { \
-    BoxPtr extents = &pDst->pCompositeClip->extents;\
-    if(box.x1 < extents->x1) box.x1 = extents->x1; \
-    if(box.x2 > extents->x2) box.x2 = extents->x2; \
-    if(box.y1 < extents->y1) box.y1 = extents->y1; \
-    if(box.y2 > extents->y2) box.y2 = extents->y2; \
-    }
-    
-#define checkPictureDamage(p)	(getDrawableDamage(p->pDrawable) && \
-				 RegionNotEmpty(p->pCompositeClip))
-
-static void
-damageComposite (CARD8      op,
-		   PicturePtr pSrc,
-		   PicturePtr pMask,
-		   PicturePtr pDst,
-		   INT16      xSrc,
-		   INT16      ySrc,
-		   INT16      xMask,
-		   INT16      yMask,
-		   INT16      xDst,
-		   INT16      yDst,
-		   CARD16     width,
-		   CARD16     height)
-{
-    ScreenPtr		pScreen = pDst->pDrawable->pScreen;
-    PictureScreenPtr	ps = GetPictureScreen(pScreen);
-    damageScrPriv(pScreen);
-
-    if (checkPictureDamage (pDst))
-    {
-	BoxRec	box;
-
-	box.x1 = xDst + pDst->pDrawable->x;
-	box.y1 = yDst + pDst->pDrawable->y;
-	box.x2 = box.x1 + width;
-	box.y2 = box.y1 + height;
-	TRIM_PICTURE_BOX(box, pDst);
-	if (BOX_NOT_EMPTY(box))
-	    damageDamageBox (pDst->pDrawable, &box, pDst->subWindowMode);
-    }
-    unwrap (pScrPriv, ps, Composite);
-    (*ps->Composite) (op,
-		       pSrc,
-		       pMask,
-		       pDst,
-		       xSrc,
-		       ySrc,
-		       xMask,
-		       yMask,
-		       xDst,
-		       yDst,
-		       width,
-		       height);
-    wrap (pScrPriv, ps, Composite, damageComposite);
-}
-
-static void
-damageGlyphs (CARD8		op,
-		PicturePtr	pSrc,
-		PicturePtr	pDst,
-		PictFormatPtr	maskFormat,
-		INT16		xSrc,
-		INT16		ySrc,
-		int		nlist,
-		GlyphListPtr	list,
-		GlyphPtr	*glyphs)
-{
-    ScreenPtr		pScreen = pDst->pDrawable->pScreen;
-    PictureScreenPtr	ps = GetPictureScreen(pScreen);
-    damageScrPriv(pScreen);
-
-    if (checkPictureDamage (pDst))
-    {
-	int		nlistTmp = nlist;
-	GlyphListPtr	listTmp = list;
-	GlyphPtr	*glyphsTmp = glyphs;
-	int		x, y;
-	int		n;
-	GlyphPtr	glyph;
-	BoxRec		box;
-	int		x1, y1, x2, y2;
-
-	box.x1 = 32767;
-	box.y1 = 32767;
-	box.x2 = -32767;
-	box.y2 = -32767;
-	x = pDst->pDrawable->x;
-	y = pDst->pDrawable->y;
-	while (nlistTmp--)
-	{
-	    x += listTmp->xOff;
-	    y += listTmp->yOff;
-	    n = listTmp->len;
-	    while (n--)
-	    {
-		glyph = *glyphsTmp++;
-		x1 = x - glyph->info.x;
-		y1 = y - glyph->info.y;
-		x2 = x1 + glyph->info.width;
-		y2 = y1 + glyph->info.height;
-		if (x1 < box.x1)
-		    box.x1 = x1;
-		if (y1 < box.y1)
-		    box.y1 = y1;
-		if (x2 > box.x2)
-		    box.x2 = x2;
-		if (y2 > box.y2)
-		    box.y2 = y2;
-		x += glyph->info.xOff;
-		y += glyph->info.yOff;
-	    }
-	    listTmp++;
-	}
-	TRIM_PICTURE_BOX (box, pDst);
-	if (BOX_NOT_EMPTY(box))
-	    damageDamageBox (pDst->pDrawable, &box, pDst->subWindowMode);
-    }
-    unwrap (pScrPriv, ps, Glyphs);
-    (*ps->Glyphs) (op, pSrc, pDst, maskFormat, xSrc, ySrc, nlist, list, glyphs);
-    wrap (pScrPriv, ps, Glyphs, damageGlyphs);
-}
-#endif
-
-/**********************************************************/
-
-
-static void
-damageFillSpans(DrawablePtr pDrawable,
-		GC	    *pGC,
-		int	    npt,
-		DDXPointPtr ppt,
-		int	    *pwidth,
-		int	    fSorted)
-{
-    DAMAGE_GC_OP_PROLOGUE(pGC, pDrawable);
+#include "regionstr.h"
+#include "../../miext/damage/damage.h"
+#include <X11/fonts/font.h>
 
-    if (npt && checkGCDamage (pDrawable, pGC))
-    {
-	int	    nptTmp = npt;
-	DDXPointPtr pptTmp = ppt;
-	int	    *pwidthTmp = pwidth;
-	BoxRec	    box;
+/* prototypes */
 
-	box.x1 = pptTmp->x;
-	box.x2 = box.x1 + *pwidthTmp;
-	box.y2 = box.y1 = pptTmp->y;
-
-	while(--nptTmp) 
-	{
-	   pptTmp++;
-	   pwidthTmp++;
-	   if(box.x1 > pptTmp->x) box.x1 = pptTmp->x;
-	   if(box.x2 < (pptTmp->x + *pwidthTmp))
-		box.x2 = pptTmp->x + *pwidthTmp;
-	   if(box.y1 > pptTmp->y) box.y1 = pptTmp->y;
-	   else if(box.y2 < pptTmp->y) box.y2 = pptTmp->y;
-	}
-
-	box.y2++;
-
-        if(!pGC->miTranslate) {
-           TRANSLATE_BOX(box, pDrawable);
-        }
-        TRIM_BOX(box, pGC); 
-
-	if(BOX_NOT_EMPTY(box))
-	   damageDamageBox (pDrawable, &box, pGC->subWindowMode);
-    }
-    
-    (*pGC->ops->FillSpans)(pDrawable, pGC, npt, ppt, pwidth, fSorted);
-
-    DAMAGE_GC_OP_EPILOGUE(pGC, pDrawable);
-}
-
-static void
-damageSetSpans(DrawablePtr  pDrawable,
-	       GCPtr	    pGC,
-	       char	    *pcharsrc,
-	       DDXPointPtr  ppt,
-	       int	    *pwidth,
-	       int	    npt,
-	       int	    fSorted)
-{
-    DAMAGE_GC_OP_PROLOGUE(pGC, pDrawable);
-
-    if (npt && checkGCDamage (pDrawable, pGC))
-    {
-	DDXPointPtr pptTmp = ppt;
-	int	    *pwidthTmp = pwidth;
-	int	    nptTmp = npt;
-	BoxRec	    box;
-
-	box.x1 = pptTmp->x;
-	box.x2 = box.x1 + *pwidthTmp;
-	box.y2 = box.y1 = pptTmp->y;
-
-	while(--nptTmp) 
-	{
-	   pptTmp++;
-	   pwidthTmp++;
-	   if(box.x1 > pptTmp->x) box.x1 = pptTmp->x;
-	   if(box.x2 < (pptTmp->x + *pwidthTmp))
-		box.x2 = pptTmp->x + *pwidthTmp;
-	   if(box.y1 > pptTmp->y) box.y1 = pptTmp->y;
-	   else if(box.y2 < pptTmp->y) box.y2 = pptTmp->y;
-	}
-
-	box.y2++;
-
-        if(!pGC->miTranslate) {
-           TRANSLATE_BOX(box, pDrawable);
-        }
-        TRIM_BOX(box, pGC); 
-
-	if(BOX_NOT_EMPTY(box))
-	   damageDamageBox (pDrawable, &box, pGC->subWindowMode);
-    }
-    (*pGC->ops->SetSpans)(pDrawable, pGC, pcharsrc, ppt, pwidth, npt, fSorted);
-    DAMAGE_GC_OP_EPILOGUE(pGC, pDrawable);
-}
-
-static void
-damagePutImage(DrawablePtr  pDrawable,
-	       GCPtr	    pGC,
-	       int	    depth,
-	       int	    x,
-	       int	    y,
-	       int	    w,
-	       int	    h,
-	       int	    leftPad,
-	       int	    format,
-	       char	    *pImage)
-{
-    DAMAGE_GC_OP_PROLOGUE(pGC, pDrawable);
-    if (checkGCDamage (pDrawable, pGC))
-    {
-	BoxRec box;
-
-	box.x1 = x + pDrawable->x;
-	box.x2 = box.x1 + w;
-	box.y1 = y + pDrawable->y;
-	box.y2 = box.y1 + h;
-
-	TRIM_BOX(box, pGC);
-	if(BOX_NOT_EMPTY(box))
-	   damageDamageBox (pDrawable, &box, pGC->subWindowMode);
-    }
-    (*pGC->ops->PutImage)(pDrawable, pGC, depth, x, y, w, h,
-		leftPad, format, pImage);
-    DAMAGE_GC_OP_EPILOGUE(pGC, pDrawable);
-}
-
-static RegionPtr
-damageCopyArea(DrawablePtr   pSrc,
-	       DrawablePtr  pDst,
-	       GC	    *pGC,
-	       int	    srcx,
-	       int	    srcy,
-	       int	    width,
-	       int	    height,
-	       int	    dstx,
-	       int	    dsty)
-{
-    RegionPtr ret;
-    DAMAGE_GC_OP_PROLOGUE(pGC, pDst);
-    
-    /* The driver will only call SourceValidate() when pSrc != pDst,
-     * but the software sprite (misprite.c) always need to know when a
-     * drawable is copied so it can remove the sprite. See #1030. */
-    if ((pSrc == pDst) && pSrc->pScreen->SourceValidate &&
-	pSrc->type == DRAWABLE_WINDOW &&
-	((WindowPtr)pSrc)->viewable)
-    {
-	(*pSrc->pScreen->SourceValidate) (pSrc, srcx, srcy, width, height);
-    }
-    
-    if (checkGCDamage (pDst, pGC))
-    {
-	BoxRec box;
-
-	box.x1 = dstx + pDst->x;
-	box.x2 = box.x1 + width;
-	box.y1 = dsty + pDst->y;
-	box.y2 = box.y1 + height;
-
-	TRIM_BOX(box, pGC);
-	if(BOX_NOT_EMPTY(box))
-	   damageDamageBox (pDst, &box, pGC->subWindowMode);
-    }
-
-    ret = (*pGC->ops->CopyArea)(pSrc, pDst,
-            pGC, srcx, srcy, width, height, dstx, dsty);
-    DAMAGE_GC_OP_EPILOGUE(pGC, pDst);
-    return ret;
-}
-
-static RegionPtr
-damageCopyPlane(DrawablePtr	pSrc,
-		DrawablePtr	pDst,
-		GCPtr		pGC,
-		int		srcx,
-		int		srcy,
-		int		width,
-		int		height,
-		int		dstx,
-		int		dsty,
-		unsigned long	bitPlane)
-{
-    RegionPtr ret;
-    DAMAGE_GC_OP_PROLOGUE(pGC, pDst);
-
-    /* The driver will only call SourceValidate() when pSrc != pDst,
-     * but the software sprite (misprite.c) always need to know when a
-     * drawable is copied so it can remove the sprite. See #1030. */
-    if ((pSrc == pDst) && pSrc->pScreen->SourceValidate &&
-	pSrc->type == DRAWABLE_WINDOW &&
-	((WindowPtr)pSrc)->viewable)
-    {
-        (*pSrc->pScreen->SourceValidate) (pSrc, srcx, srcy, width, height);
-    }
-
-    if (checkGCDamage (pDst, pGC))
-    {
-	BoxRec box;
-
-	box.x1 = dstx + pDst->x;
-	box.x2 = box.x1 + width;
-	box.y1 = dsty + pDst->y;
-	box.y2 = box.y1 + height;
-
-	TRIM_BOX(box, pGC);
-	if(BOX_NOT_EMPTY(box))
-	   damageDamageBox (pDst, &box, pGC->subWindowMode);
-    }
-
-    ret = (*pGC->ops->CopyPlane)(pSrc, pDst,
-	       pGC, srcx, srcy, width, height, dstx, dsty, bitPlane);
-    DAMAGE_GC_OP_EPILOGUE(pGC, pDst);
-    return ret;
-}
-
-static void
-damagePolyPoint(DrawablePtr pDrawable,
-		GCPtr	    pGC,
-		int	    mode,
-		int	    npt,
-		xPoint	    *ppt)
-{
-    DAMAGE_GC_OP_PROLOGUE(pGC, pDrawable);
-
-    if (npt && checkGCDamage (pDrawable, pGC))
-    {
-	BoxRec	box;
-	int	nptTmp = npt;
-	xPoint	*pptTmp = ppt;
-
-	box.x2 = box.x1 = pptTmp->x;
-	box.y2 = box.y1 = pptTmp->y;
-
-	/* this could be slow if the points were spread out */
-
-	while(--nptTmp) 
-	{
-	   pptTmp++;
-	   if(box.x1 > pptTmp->x) box.x1 = pptTmp->x;
-	   else if(box.x2 < pptTmp->x) box.x2 = pptTmp->x;
-	   if(box.y1 > pptTmp->y) box.y1 = pptTmp->y;
-	   else if(box.y2 < pptTmp->y) box.y2 = pptTmp->y;
-	}
-
-	box.x2++;
-	box.y2++;
-
-	TRIM_AND_TRANSLATE_BOX(box, pDrawable, pGC);
-	if(BOX_NOT_EMPTY(box))
-	   damageDamageBox (pDrawable, &box, pGC->subWindowMode);
-    }
-    (*pGC->ops->PolyPoint)(pDrawable, pGC, mode, npt, ppt);
-    DAMAGE_GC_OP_EPILOGUE(pGC, pDrawable);
-}
-
-static void
-damagePolylines(DrawablePtr pDrawable,
+static int 
+damageText (DrawablePtr	    pDrawable,
+	    GCPtr	    pGC,
+	    int		    x,
+	    int		    y,
+	    unsigned long   count,
+	    char	    *chars,
+	    FontEncoding    fontEncoding,
+	    Bool	    textType);
+static int
+damagePolyText8(DrawablePtr pDrawable,
 		GCPtr	    pGC,
-		int	    mode,
-		int	    npt,
-		DDXPointPtr ppt)
-{
-    DAMAGE_GC_OP_PROLOGUE(pGC, pDrawable);
-
-    if (npt && checkGCDamage (pDrawable, pGC))
-    {
-	int	    nptTmp = npt;
-	DDXPointPtr pptTmp = ppt;
-	BoxRec	    box;
-	int	    extra = pGC->lineWidth >> 1;
-
-	box.x2 = box.x1 = pptTmp->x;
-	box.y2 = box.y1 = pptTmp->y;
-
-	if(nptTmp > 1) 
-	{
-	   if(pGC->joinStyle == JoinMiter)
-		extra = 6 * pGC->lineWidth;
-	   else if(pGC->capStyle == CapProjecting)
-		extra = pGC->lineWidth;
-        }
-
-	if(mode == CoordModePrevious) 
-	{
-	   int x = box.x1;
-	   int y = box.y1;
-	   while(--nptTmp) 
-	   {
-		pptTmp++;
-		x += pptTmp->x;
-		y += pptTmp->y;
-		if(box.x1 > x) box.x1 = x;
-		else if(box.x2 < x) box.x2 = x;
-		if(box.y1 > y) box.y1 = y;
-		else if(box.y2 < y) box.y2 = y;
-	    }
-	}
-	else 
-	{
-	   while(--nptTmp) 
-	   {
-		pptTmp++;
-		if(box.x1 > pptTmp->x) box.x1 = pptTmp->x;
-		else if(box.x2 < pptTmp->x) box.x2 = pptTmp->x;
-		if(box.y1 > pptTmp->y) box.y1 = pptTmp->y;
-		else if(box.y2 < pptTmp->y) box.y2 = pptTmp->y;
-	    }
-	}
-
-	box.x2++;
-	box.y2++;
-
-	if(extra) 
-	{
-	   box.x1 -= extra;
-	   box.x2 += extra;
-	   box.y1 -= extra;
-	   box.y2 += extra;
-        }
-
-	TRIM_AND_TRANSLATE_BOX(box, pDrawable, pGC);
-	if(BOX_NOT_EMPTY(box))
-	   damageDamageBox (pDrawable, &box, pGC->subWindowMode);
-    }
-    (*pGC->ops->Polylines)(pDrawable, pGC, mode, npt, ppt);
-    DAMAGE_GC_OP_EPILOGUE(pGC, pDrawable);
-}
-
-static void
-damagePolySegment(DrawablePtr	pDrawable,
-		  GCPtr		pGC,
-		  int		nSeg,
-		  xSegment	*pSeg)
-{
-    DAMAGE_GC_OP_PROLOGUE(pGC, pDrawable);
-
-    if (nSeg && checkGCDamage (pDrawable, pGC))
-    {
-	BoxRec	    box;
-	int	    extra = pGC->lineWidth;
-	int	    nsegTmp = nSeg;
-	xSegment    *pSegTmp = pSeg;
-
-        if(pGC->capStyle != CapProjecting)
-	   extra >>= 1;
-
-	if(pSegTmp->x2 > pSegTmp->x1) {
-	    box.x1 = pSegTmp->x1;
-	    box.x2 = pSegTmp->x2;
-	} else {
-	    box.x2 = pSegTmp->x1;
-	    box.x1 = pSegTmp->x2;
-	}
-
-	if(pSegTmp->y2 > pSegTmp->y1) {
-	    box.y1 = pSegTmp->y1;
-	    box.y2 = pSegTmp->y2;
-	} else {
-	    box.y2 = pSegTmp->y1;
-	    box.y1 = pSegTmp->y2;
-	}
-
-	while(--nsegTmp) 
-	{
-	    pSegTmp++;
-	    if(pSegTmp->x2 > pSegTmp->x1) 
-	    {
-		if(pSegTmp->x1 < box.x1) box.x1 = pSegTmp->x1;
-		if(pSegTmp->x2 > box.x2) box.x2 = pSegTmp->x2;
-	    }
-	    else 
-	    {
-		if(pSegTmp->x2 < box.x1) box.x1 = pSegTmp->x2;
-		if(pSegTmp->x1 > box.x2) box.x2 = pSegTmp->x1;
-	    }
-	    if(pSegTmp->y2 > pSegTmp->y1) 
-	    {
-		if(pSegTmp->y1 < box.y1) box.y1 = pSegTmp->y1;
-		if(pSegTmp->y2 > box.y2) box.y2 = pSegTmp->y2;
-	    }
-	    else
-	    {
-		if(pSegTmp->y2 < box.y1) box.y1 = pSegTmp->y2;
-		if(pSegTmp->y1 > box.y2) box.y2 = pSegTmp->y1;
-	    }
-	}
-
-	box.x2++;
-	box.y2++;
-
-	if(extra) 
-	{
-	   box.x1 -= extra;
-	   box.x2 += extra;
-	   box.y1 -= extra;
-	   box.y2 += extra;
-        }
-
-	TRIM_AND_TRANSLATE_BOX(box, pDrawable, pGC);
-	if(BOX_NOT_EMPTY(box))
-	   damageDamageBox (pDrawable, &box, pGC->subWindowMode);
-    }
-    (*pGC->ops->PolySegment)(pDrawable, pGC, nSeg, pSeg);
-    DAMAGE_GC_OP_EPILOGUE(pGC, pDrawable);
-}
-
-static void
-damagePolyRectangle(DrawablePtr  pDrawable,
-		    GCPtr        pGC,
-		    int	         nRects,
-		    xRectangle  *pRects)
-{
-    DAMAGE_GC_OP_PROLOGUE(pGC, pDrawable);
-
-    if (nRects && checkGCDamage (pDrawable, pGC))
-    {
-	BoxRec	    box;
-	int	    offset1, offset2, offset3;
-	int	    nRectsTmp = nRects;
-	xRectangle  *pRectsTmp = pRects;
-
-	offset2 = pGC->lineWidth;
-	if(!offset2) offset2 = 1;
-	offset1 = offset2 >> 1;
-	offset3 = offset2 - offset1;
-
-	while(nRectsTmp--)
-	{
-	    box.x1 = pRectsTmp->x - offset1;
-	    box.y1 = pRectsTmp->y - offset1;
-	    box.x2 = box.x1 + pRectsTmp->width + offset2;
-	    box.y2 = box.y1 + offset2;
-	    TRIM_AND_TRANSLATE_BOX(box, pDrawable, pGC);
-	    if(BOX_NOT_EMPTY(box))
-		damageDamageBox (pDrawable, &box, pGC->subWindowMode);
-
-	    box.x1 = pRectsTmp->x - offset1;
-	    box.y1 = pRectsTmp->y + offset3;
-	    box.x2 = box.x1 + offset2;
-	    box.y2 = box.y1 + pRectsTmp->height - offset2;
-	    TRIM_AND_TRANSLATE_BOX(box, pDrawable, pGC);
-	    if(BOX_NOT_EMPTY(box))
-		damageDamageBox (pDrawable, &box, pGC->subWindowMode);
-
-	    box.x1 = pRectsTmp->x + pRectsTmp->width - offset1;
-	    box.y1 = pRectsTmp->y + offset3;
-	    box.x2 = box.x1 + offset2;
-	    box.y2 = box.y1 + pRectsTmp->height - offset2;
-	    TRIM_AND_TRANSLATE_BOX(box, pDrawable, pGC);
-	    if(BOX_NOT_EMPTY(box))
-		damageDamageBox (pDrawable, &box, pGC->subWindowMode);
-
-	    box.x1 = pRectsTmp->x - offset1;
-	    box.y1 = pRectsTmp->y + pRectsTmp->height - offset1;
-	    box.x2 = box.x1 + pRectsTmp->width + offset2;
-	    box.y2 = box.y1 + offset2;
-	    TRIM_AND_TRANSLATE_BOX(box, pDrawable, pGC);
-	    if(BOX_NOT_EMPTY(box))
-		damageDamageBox (pDrawable, &box, pGC->subWindowMode);
-
-	    pRectsTmp++;
-	}
-    }
-    (*pGC->ops->PolyRectangle)(pDrawable, pGC, nRects, pRects);
-    DAMAGE_GC_OP_EPILOGUE(pGC, pDrawable);
-}
-
-static void
-damagePolyArc(DrawablePtr   pDrawable,
-	      GCPtr	    pGC,
-	      int	    nArcs,
-	      xArc	    *pArcs)
-{
-    DAMAGE_GC_OP_PROLOGUE(pGC, pDrawable);
-
-    if (nArcs && checkGCDamage (pDrawable, pGC))
-    {
-	int	extra = pGC->lineWidth >> 1;
-	BoxRec	box;
-	int	nArcsTmp = nArcs;
-	xArc	*pArcsTmp = pArcs;
-
-	box.x1 = pArcsTmp->x;
-	box.x2 = box.x1 + pArcsTmp->width;
-	box.y1 = pArcsTmp->y;
-	box.y2 = box.y1 + pArcsTmp->height;
-
-	while(--nArcsTmp) 
-	{
-	    pArcsTmp++;
-	    if(box.x1 > pArcsTmp->x)
-		box.x1 = pArcsTmp->x;
-	    if(box.x2 < (pArcsTmp->x + pArcsTmp->width))
-		box.x2 = pArcsTmp->x + pArcsTmp->width;
-	    if(box.y1 > pArcsTmp->y) 
-		box.y1 = pArcsTmp->y;
-	    if(box.y2 < (pArcsTmp->y + pArcsTmp->height))
-		box.y2 = pArcsTmp->y + pArcsTmp->height;
-        }
-
-	if(extra) 
-	{
-	   box.x1 -= extra;
-	   box.x2 += extra;
-	   box.y1 -= extra;
-	   box.y2 += extra;
-        }
-
-	box.x2++;
-	box.y2++;
-
-	TRIM_AND_TRANSLATE_BOX(box, pDrawable, pGC);
-	if(BOX_NOT_EMPTY(box))
-	   damageDamageBox (pDrawable, &box, pGC->subWindowMode);
-    }
-    (*pGC->ops->PolyArc)(pDrawable, pGC, nArcs, pArcs);
-    DAMAGE_GC_OP_EPILOGUE(pGC, pDrawable);
-}
-
-static void
-damageFillPolygon(DrawablePtr	pDrawable,
-		  GCPtr		pGC,
-		  int		shape,
-		  int		mode,
-		  int		npt,
-		  DDXPointPtr	ppt)
-{
-    DAMAGE_GC_OP_PROLOGUE(pGC, pDrawable);
-
-    if (npt > 2 && checkGCDamage (pDrawable, pGC))
-    {
-	DDXPointPtr pptTmp = ppt;
-	int	    nptTmp = npt;
-	BoxRec	    box;
-
-	box.x2 = box.x1 = pptTmp->x;
-	box.y2 = box.y1 = pptTmp->y;
-
-	if(mode != CoordModeOrigin) 
-	{
-	   int x = box.x1;
-	   int y = box.y1;
-	   while(--nptTmp) 
-	   {
-		pptTmp++;
-		x += pptTmp->x;
-		y += pptTmp->y;
-		if(box.x1 > x) box.x1 = x;
-		else if(box.x2 < x) box.x2 = x;
-		if(box.y1 > y) box.y1 = y;
-		else if(box.y2 < y) box.y2 = y;
-	    }
-	}
-	else 
-	{
-	   while(--nptTmp) 
-	   {
-		pptTmp++;
-		if(box.x1 > pptTmp->x) box.x1 = pptTmp->x;
-		else if(box.x2 < pptTmp->x) box.x2 = pptTmp->x;
-		if(box.y1 > pptTmp->y) box.y1 = pptTmp->y;
-		else if(box.y2 < pptTmp->y) box.y2 = pptTmp->y;
-	    }
-	}
-
-	box.x2++;
-	box.y2++;
-
-	TRIM_AND_TRANSLATE_BOX(box, pDrawable, pGC);
-	if(BOX_NOT_EMPTY(box))
-	   damageDamageBox (pDrawable, &box, pGC->subWindowMode);
-    }
-    
-    (*pGC->ops->FillPolygon)(pDrawable, pGC, shape, mode, npt, ppt);
-    DAMAGE_GC_OP_EPILOGUE(pGC, pDrawable);
-}
-
-
+		int	    x,
+		int	    y,
+		int	    count,
+		char	    *chars);
+static int
+damagePolyText16(DrawablePtr	pDrawable,
+		 GCPtr		pGC,
+		 int		x,
+		 int		y,
+		 int		count,
+		 unsigned short	*chars);
 static void
-damagePolyFillRect(DrawablePtr	pDrawable,
-		   GCPtr	pGC,
-		   int		nRects,
-		   xRectangle	*pRects)
-{
-    DAMAGE_GC_OP_PROLOGUE(pGC, pDrawable);
-    if (nRects && checkGCDamage (pDrawable, pGC))
-    {
-	BoxRec	    box;
-	xRectangle  *pRectsTmp = pRects;
-	int	    nRectsTmp = nRects;
-
-	box.x1 = pRectsTmp->x;
-	box.x2 = box.x1 + pRectsTmp->width;
-	box.y1 = pRectsTmp->y;
-	box.y2 = box.y1 + pRectsTmp->height;
-
-	while(--nRectsTmp) 
-	{
-	    pRectsTmp++;
-	    if(box.x1 > pRectsTmp->x) box.x1 = pRectsTmp->x;
-	    if(box.x2 < (pRectsTmp->x + pRectsTmp->width))
-		box.x2 = pRectsTmp->x + pRectsTmp->width;
-	    if(box.y1 > pRectsTmp->y) box.y1 = pRectsTmp->y;
-	    if(box.y2 < (pRectsTmp->y + pRectsTmp->height))
-		box.y2 = pRectsTmp->y + pRectsTmp->height;
-	}
-
-	TRIM_AND_TRANSLATE_BOX(box, pDrawable, pGC);
-	if(BOX_NOT_EMPTY(box))
-	    damageDamageBox (pDrawable, &box, pGC->subWindowMode);
-    }
-    (*pGC->ops->PolyFillRect)(pDrawable, pGC, nRects, pRects);
-    DAMAGE_GC_OP_EPILOGUE(pGC, pDrawable);
-}
-
-
+damageImageText8(DrawablePtr	pDrawable,
+		 GCPtr		pGC,
+		 int		x,
+		 int		y,
+		 int		count,
+		 char		*chars);
 static void
-damagePolyFillArc(DrawablePtr	pDrawable,
+damageImageText16(DrawablePtr	pDrawable,
 		  GCPtr		pGC,
-		  int		nArcs,
-		  xArc		*pArcs)
-{
-    DAMAGE_GC_OP_PROLOGUE(pGC, pDrawable);
-
-    if (nArcs && checkGCDamage (pDrawable, pGC))
-    {
-	BoxRec	box;
-	int	nArcsTmp = nArcs;
-	xArc	*pArcsTmp = pArcs;
-
-	box.x1 = pArcsTmp->x;
-	box.x2 = box.x1 + pArcsTmp->width;
-	box.y1 = pArcsTmp->y;
-	box.y2 = box.y1 + pArcsTmp->height;
-
-	while(--nArcsTmp) 
-	{
-	    pArcsTmp++;
-	    if(box.x1 > pArcsTmp->x)
-		box.x1 = pArcsTmp->x;
-	    if(box.x2 < (pArcsTmp->x + pArcsTmp->width))
-		box.x2 = pArcsTmp->x + pArcsTmp->width;
-	    if(box.y1 > pArcsTmp->y)
-		box.y1 = pArcsTmp->y;
-	    if(box.y2 < (pArcsTmp->y + pArcsTmp->height))
-		box.y2 = pArcsTmp->y + pArcsTmp->height;
-        }
-
-	TRIM_AND_TRANSLATE_BOX(box, pDrawable, pGC);
-	if(BOX_NOT_EMPTY(box))
-	   damageDamageBox (pDrawable, &box, pGC->subWindowMode);
-    }
-    (*pGC->ops->PolyFillArc)(pDrawable, pGC, nArcs, pArcs);
-    DAMAGE_GC_OP_EPILOGUE(pGC, pDrawable);
-}
-
-/*
- * general Poly/Image text function.  Extract glyph information,
- * compute bounding box and remove cursor if it is overlapped.
- */
-
-static void
-damageDamageChars (DrawablePtr	pDrawable,
-		   FontPtr	font,
-		   int		x,
-		   int		y,
-		   unsigned int	n,
-		   CharInfoPtr	*charinfo,
-		   Bool		imageblt,
-		   int		subWindowMode)
-{
-    ExtentInfoRec   extents;
-    BoxRec	    box;
-
-    QueryGlyphExtents(font, charinfo, n, &extents);
-    if (imageblt)
-    {
-	if (extents.overallWidth > extents.overallRight)
-	    extents.overallRight = extents.overallWidth;
-	if (extents.overallWidth < extents.overallLeft)
-	    extents.overallLeft = extents.overallWidth;
-	if (extents.overallLeft > 0)
-	    extents.overallLeft = 0;
-	if (extents.fontAscent > extents.overallAscent)
-	    extents.overallAscent = extents.fontAscent;
-	if (extents.fontDescent > extents.overallDescent)
-	    extents.overallDescent = extents.fontDescent;
-    }
-    box.x1 = x + extents.overallLeft;
-    box.y1 = y - extents.overallAscent;
-    box.x2 = x + extents.overallRight;
-    box.y2 = y + extents.overallDescent;
-    damageDamageBox (pDrawable, &box, subWindowMode);
-}
+		  int		x,
+		  int		y,
+		  int		count,
+		  unsigned short *chars);
 
-/*
- * values for textType:
- */
-#define TT_POLY8   0
-#define TT_IMAGE8  1
-#define TT_POLY16  2
-#define TT_IMAGE16 3
+#include "../../miext/damage/damage.c"
 
 static int 
 damageText (DrawablePtr	    pDrawable,
@@ -1391,86 +135,6 @@ damageText (DrawablePtr	    pDrawable,
     return x + w;
 }
 
-#ifndef NXAGENT_SERVER
-
-static int
-damagePolyText8(DrawablePtr pDrawable,
-		GCPtr	    pGC,
-		int	    x,
-		int	    y,
-		int	    count,
-		char	    *chars)
-{
-    DAMAGE_GC_OP_PROLOGUE(pGC, pDrawable);
-
-    if (checkGCDamage (pDrawable, pGC))
-	x = damageText (pDrawable, pGC, x, y, (unsigned long) count, chars,
-		    Linear8Bit, TT_POLY8);
-    else
-	x = (*pGC->ops->PolyText8)(pDrawable, pGC, x, y, count, chars);
-    DAMAGE_GC_OP_EPILOGUE(pGC, pDrawable);
-    return x;
-}
-
-static int
-damagePolyText16(DrawablePtr	pDrawable,
-		 GCPtr		pGC,
-		 int		x,
-		 int		y,
-		 int		count,
-		 unsigned short	*chars)
-{
-    DAMAGE_GC_OP_PROLOGUE(pGC, pDrawable);
-
-    if (checkGCDamage (pDrawable, pGC))
-	x = damageText (pDrawable, pGC, x, y, (unsigned long) count, (char *) chars,
-		    FONTLASTROW(pGC->font) == 0 ? Linear16Bit : TwoD16Bit,
-		    TT_POLY16);
-    else
-	x = (*pGC->ops->PolyText16)(pDrawable, pGC, x, y, count, chars);
-    DAMAGE_GC_OP_EPILOGUE(pGC, pDrawable);
-    return x;
-}
-
-static void
-damageImageText8(DrawablePtr	pDrawable,
-		 GCPtr		pGC,
-		 int		x,
-		 int		y,
-		 int		count,
-		 char		*chars)
-{
-    DAMAGE_GC_OP_PROLOGUE(pGC, pDrawable);
-
-    if (checkGCDamage (pDrawable, pGC))
-	damageText (pDrawable, pGC, x, y, (unsigned long) count, chars,
-		    Linear8Bit, TT_IMAGE8);
-    else
-	(*pGC->ops->ImageText8)(pDrawable, pGC, x, y, count, chars);
-    DAMAGE_GC_OP_EPILOGUE(pGC, pDrawable);
-}
-
-static void
-damageImageText16(DrawablePtr	pDrawable,
-		  GCPtr		pGC,
-		  int		x,
-		  int		y,
-		  int		count,
-		  unsigned short *chars)
-{
-    DAMAGE_GC_OP_PROLOGUE(pGC, pDrawable);
-
-    if (checkGCDamage (pDrawable, pGC))
-	damageText (pDrawable, pGC, x, y, (unsigned long) count, (char *) chars,
-		    FONTLASTROW(pGC->font) == 0 ? Linear16Bit : TwoD16Bit,
-		    TT_IMAGE16);
-    else
-	(*pGC->ops->ImageText16)(pDrawable, pGC, x, y, count, chars);
-    DAMAGE_GC_OP_EPILOGUE(pGC, pDrawable);
-}
-
-#else /* #ifndef NXAGENT_SERVER */
-
 static int
 damagePolyText8(DrawablePtr pDrawable,
 		GCPtr	    pGC,
@@ -1551,523 +215,3 @@ damageImageText16(DrawablePtr	pDrawable,
     DAMAGE_GC_OP_EPILOGUE(pGC, pDrawable);
 }
 
-#endif /* #ifndef NXAGENT_SERVER */
-
-static void
-damageImageGlyphBlt(DrawablePtr	    pDrawable,
-		    GCPtr	    pGC,
-		    int		    x,
-		    int		    y,
-		    unsigned int    nglyph,
-		    CharInfoPtr	    *ppci,
-		    void	    *pglyphBase)
-{
-    DAMAGE_GC_OP_PROLOGUE(pGC, pDrawable);
-    damageDamageChars (pDrawable, pGC->font, x + pDrawable->x, y + pDrawable->y,
-		       nglyph, ppci, TRUE, pGC->subWindowMode);
-    (*pGC->ops->ImageGlyphBlt)(pDrawable, pGC, x, y, nglyph,
-					ppci, pglyphBase);
-    DAMAGE_GC_OP_EPILOGUE(pGC, pDrawable);
-}
-
-static void
-damagePolyGlyphBlt(DrawablePtr	pDrawable,
-		   GCPtr	pGC,
-		   int		x,
-		   int		y,
-		   unsigned int	nglyph,
-		   CharInfoPtr	*ppci,
-		   void		*pglyphBase)
-{
-    DAMAGE_GC_OP_PROLOGUE(pGC, pDrawable);
-    damageDamageChars (pDrawable, pGC->font, x + pDrawable->x, y + pDrawable->y,
-		       nglyph, ppci, FALSE, pGC->subWindowMode);
-    (*pGC->ops->PolyGlyphBlt)(pDrawable, pGC, x, y, nglyph,
-				ppci, pglyphBase);
-    DAMAGE_GC_OP_EPILOGUE(pGC, pDrawable);
-}
-
-static void
-damagePushPixels(GCPtr		pGC,
-		 PixmapPtr	pBitMap,
-		 DrawablePtr	pDrawable,
-		 int		dx,
-		 int		dy,
-		 int		xOrg,
-		 int		yOrg)
-{
-    DAMAGE_GC_OP_PROLOGUE(pGC, pDrawable);
-    if(checkGCDamage (pDrawable, pGC))
-    {
-	BoxRec box;
-
-        box.x1 = xOrg;
-        box.y1 = yOrg;
-
-        if(!pGC->miTranslate) {
-           box.x1 += pDrawable->x;          
-           box.y1 += pDrawable->y;          
-        }
-
-	box.x2 = box.x1 + dx;
-	box.y2 = box.y1 + dy;
-
-	TRIM_BOX(box, pGC);
-	if(BOX_NOT_EMPTY(box))
-	   damageDamageBox (pDrawable, &box, pGC->subWindowMode);
-    }
-    (*pGC->ops->PushPixels)(pGC, pBitMap, pDrawable, dx, dy, xOrg, yOrg);
-    DAMAGE_GC_OP_EPILOGUE(pGC, pDrawable);
-}
-
-static void
-damageRemoveDamage (DamagePtr *pPrev, DamagePtr pDamage)
-{
-    while (*pPrev)
-    {
-	if (*pPrev == pDamage)
-	{
-	    *pPrev = pDamage->pNext;
-	    return;
-	}
-	pPrev = &(*pPrev)->pNext;
-    }
-#if DAMAGE_VALIDATE_ENABLE
-    ErrorF ("Damage not on list\n");
-    abort ();
-#endif
-}
-
-static void
-damageInsertDamage (DamagePtr *pPrev, DamagePtr pDamage)
-{
-#if DAMAGE_VALIDATE_ENABLE
-    DamagePtr	pOld;
-
-    for (pOld = *pPrev; pOld; pOld = pOld->pNext)
-	if (pOld == pDamage) {
-	    ErrorF ("Damage already on list\n");
-	    abort ();
-	}
-#endif
-    pDamage->pNext = *pPrev;
-    *pPrev = pDamage;
-}
-
-static Bool
-damageDestroyPixmap (PixmapPtr pPixmap)
-{
-    ScreenPtr	pScreen = pPixmap->drawable.pScreen;
-    damageScrPriv(pScreen);
-
-    if (pPixmap->refcnt == 1)
-    {
-	DamagePtr	*pPrev = getPixmapDamageRef (pPixmap);
-	DamagePtr	pDamage;
-
-	while ((pDamage = *pPrev))
-	{
-	    damageRemoveDamage (pPrev, pDamage);
-	    if (!pDamage->isWindow)
-		DamageDestroy (pDamage);
-	}
-    }
-    unwrap (pScrPriv, pScreen, DestroyPixmap);
-    (*pScreen->DestroyPixmap) (pPixmap);
-    wrap (pScrPriv, pScreen, DestroyPixmap, damageDestroyPixmap);
-    return TRUE;
-}
-
-static void
-damagePaintWindow(WindowPtr pWindow,
-		  RegionPtr prgn,
-		  int	    what)
-{
-    ScreenPtr pScreen = pWindow->drawable.pScreen;
-    damageScrPriv(pScreen);
-
-    /*
-     * Painting background none doesn't actually *do* anything, so
-     * no damage is recorded
-     */
-    if ((what != PW_BACKGROUND || pWindow->backgroundState != None) &&
-	getWindowDamage (pWindow))
-	damageDamageRegion (&pWindow->drawable, prgn, FALSE, -1);
-    if(what == PW_BACKGROUND) {
-	unwrap (pScrPriv, pScreen, PaintWindowBackground);
-	(*pScreen->PaintWindowBackground) (pWindow, prgn, what);
-	wrap (pScrPriv, pScreen, PaintWindowBackground, damagePaintWindow);
-    } else {
-	unwrap (pScrPriv, pScreen, PaintWindowBorder);
-	(*pScreen->PaintWindowBorder) (pWindow, prgn, what);
-	wrap (pScrPriv, pScreen, PaintWindowBorder, damagePaintWindow);
-    }
-}
-
-
-static void
-damageCopyWindow(WindowPtr	pWindow,
-		 DDXPointRec	ptOldOrg,
-		 RegionPtr	prgnSrc)
-{
-    ScreenPtr pScreen = pWindow->drawable.pScreen;
-    damageScrPriv(pScreen);
-
-    if (getWindowDamage (pWindow))
-    {
-	int dx = pWindow->drawable.x - ptOldOrg.x;
-	int dy = pWindow->drawable.y - ptOldOrg.y;
-	
-	/*
-	 * The region comes in source relative, but the damage occurs
-	 * at the destination location.  Translate back and forth.
-	 */
-	RegionTranslate(prgnSrc, dx, dy);
-	damageDamageRegion (&pWindow->drawable, prgnSrc, FALSE, -1);
-	RegionTranslate(prgnSrc, -dx, -dy);
-    }
-    unwrap (pScrPriv, pScreen, CopyWindow);
-    (*pScreen->CopyWindow) (pWindow, ptOldOrg, prgnSrc);
-    wrap (pScrPriv, pScreen, CopyWindow, damageCopyWindow);
-}
-
-GCOps damageGCOps = {
-    damageFillSpans, damageSetSpans,
-    damagePutImage, damageCopyArea,
-    damageCopyPlane, damagePolyPoint,
-    damagePolylines, damagePolySegment,
-    damagePolyRectangle, damagePolyArc,
-    damageFillPolygon, damagePolyFillRect,
-    damagePolyFillArc, damagePolyText8,
-    damagePolyText16, damageImageText8,
-    damageImageText16, damageImageGlyphBlt,
-    damagePolyGlyphBlt, damagePushPixels,
-#ifdef NEED_LINEHELPER
-    NULL,
-#endif
-    {NULL}		/* devPrivate */
-};
-
-static void
-damageRestoreAreas (PixmapPtr	pPixmap,
-		    RegionPtr	prgn,
-		    int		xorg,
-		    int		yorg,
-		    WindowPtr	pWindow)
-{
-    ScreenPtr pScreen = pWindow->drawable.pScreen;
-    damageScrPriv(pScreen);
-
-    damageDamageRegion (&pWindow->drawable, prgn, FALSE, -1);
-    unwrap (pScrPriv, pScreen, BackingStoreFuncs.RestoreAreas);
-    (*pScreen->BackingStoreFuncs.RestoreAreas) (pPixmap, prgn,
-						xorg, yorg, pWindow);
-    wrap (pScrPriv, pScreen, BackingStoreFuncs.RestoreAreas,
-			     damageRestoreAreas);
-}
-
-static void
-damageSetWindowPixmap (WindowPtr pWindow, PixmapPtr pPixmap)
-{
-    DamagePtr	pDamage;
-    ScreenPtr	pScreen = pWindow->drawable.pScreen;
-    damageScrPriv(pScreen);
-
-    if ((pDamage = damageGetWinPriv(pWindow)))
-    {
-	PixmapPtr   pOldPixmap = (*pScreen->GetWindowPixmap) (pWindow);
-	DamagePtr   *pPrev = getPixmapDamageRef(pOldPixmap);
-	
-	while (pDamage)
-	{
-	    damageRemoveDamage (pPrev, pDamage);
-	    pDamage = pDamage->pNextWin;
-	}
-    }
-    unwrap (pScrPriv, pScreen, SetWindowPixmap);
-    (*pScreen->SetWindowPixmap) (pWindow, pPixmap);
-    wrap (pScrPriv, pScreen, SetWindowPixmap, damageSetWindowPixmap);
-    if ((pDamage = damageGetWinPriv(pWindow)))
-    {
-	DamagePtr   *pPrev = getPixmapDamageRef(pPixmap);
-	
-	while (pDamage)
-	{
-	    damageInsertDamage (pPrev, pDamage);
-	    pDamage = pDamage->pNextWin;
-	}
-    }
-}
-
-static Bool
-damageDestroyWindow (WindowPtr pWindow)
-{
-    DamagePtr	pDamage;
-    ScreenPtr	pScreen = pWindow->drawable.pScreen;
-    Bool	ret;
-    damageScrPriv(pScreen);
-
-    while ((pDamage = damageGetWinPriv(pWindow)))
-    {
-	DamageUnregister (&pWindow->drawable, pDamage);
-	DamageDestroy (pDamage);
-    }
-    unwrap (pScrPriv, pScreen, DestroyWindow);
-    ret = (*pScreen->DestroyWindow) (pWindow);
-    wrap (pScrPriv, pScreen, DestroyWindow, damageDestroyWindow);
-    return ret;
-}
-
-static Bool
-damageCloseScreen (int i, ScreenPtr pScreen)
-{
-    damageScrPriv(pScreen);
-
-    unwrap (pScrPriv, pScreen, DestroyPixmap);
-    unwrap (pScrPriv, pScreen, CreateGC);
-    unwrap (pScrPriv, pScreen, PaintWindowBackground);
-    unwrap (pScrPriv, pScreen, PaintWindowBorder);
-    unwrap (pScrPriv, pScreen, CopyWindow);
-    unwrap (pScrPriv, pScreen, CloseScreen);
-    unwrap (pScrPriv, pScreen, BackingStoreFuncs.RestoreAreas);
-    xfree (pScrPriv);
-    return (*pScreen->CloseScreen) (i, pScreen);
-}
-
-int damageScrPrivateIndex;
-int damagePixPrivateIndex;
-int damageGCPrivateIndex;
-int damageWinPrivateIndex;
-int damageGeneration;
-
-Bool
-DamageSetup (ScreenPtr pScreen)
-{
-    DamageScrPrivPtr	pScrPriv;
-#ifdef RENDER
-    PictureScreenPtr	ps = GetPictureScreenIfSet(pScreen);
-#endif
-
-    if (damageGeneration != serverGeneration)
-    {
-	damageScrPrivateIndex = AllocateScreenPrivateIndex ();
-	if (damageScrPrivateIndex == -1)
-	    return FALSE;
-	damageGCPrivateIndex = AllocateGCPrivateIndex ();
-	if (damageGCPrivateIndex == -1)
-	    return FALSE;
-	damagePixPrivateIndex = AllocatePixmapPrivateIndex ();
-	if (damagePixPrivateIndex == -1)
-	    return FALSE;
-	damageWinPrivateIndex = AllocateWindowPrivateIndex ();
-	if (damageWinPrivateIndex == -1)
-	    return FALSE;
-	damageGeneration = serverGeneration;
-    }
-    if (pScreen->devPrivates[damageScrPrivateIndex].ptr)
-	return TRUE;
-
-    if (!AllocateGCPrivate (pScreen, damageGCPrivateIndex, sizeof (DamageGCPrivRec)))
-	return FALSE;
-    if (!AllocatePixmapPrivate (pScreen, damagePixPrivateIndex, 0))
-	return FALSE;
-    if (!AllocateWindowPrivate (pScreen, damageWinPrivateIndex, 0))
-	return FALSE;
-
-    pScrPriv = (DamageScrPrivPtr) xalloc (sizeof (DamageScrPrivRec));
-    if (!pScrPriv)
-	return FALSE;
-
-#ifdef COMPOSITE
-    /* This is a kludge to ensure wrapping order with the composite wrapper.
-     * If it's done from compinit.c, then DamageSetup may be called before the
-     * extension init phase, so that cw will be higher in the wrapping chain and
-     * rewrite drawables before damage gets to it, causing confusion.
-     */
-    if (!noCompositeExtension)
-	miInitializeCompositeWrapper (pScreen);
-#endif
-	
-    pScrPriv->internalLevel = 0;
-    pScrPriv->pScreenDamage = 0;
-
-    wrap (pScrPriv, pScreen, DestroyPixmap, damageDestroyPixmap);
-    wrap (pScrPriv, pScreen, CreateGC, damageCreateGC);
-    wrap (pScrPriv, pScreen, PaintWindowBackground, damagePaintWindow);
-    wrap (pScrPriv, pScreen, PaintWindowBorder, damagePaintWindow);
-    wrap (pScrPriv, pScreen, DestroyWindow, damageDestroyWindow);
-    wrap (pScrPriv, pScreen, SetWindowPixmap, damageSetWindowPixmap);
-    wrap (pScrPriv, pScreen, CopyWindow, damageCopyWindow);
-    wrap (pScrPriv, pScreen, CloseScreen, damageCloseScreen);
-    wrap (pScrPriv, pScreen, BackingStoreFuncs.RestoreAreas,
-			     damageRestoreAreas);
-#ifdef RENDER
-    if (ps) {
-	wrap (pScrPriv, ps, Glyphs, damageGlyphs);
-	wrap (pScrPriv, ps, Composite, damageComposite);
-    }
-#endif
-
-    pScreen->devPrivates[damageScrPrivateIndex].ptr = (void *) pScrPriv;
-    return TRUE;
-}
-
-DamagePtr
-DamageCreate (DamageReportFunc  damageReport,
-	      DamageDestroyFunc	damageDestroy,
-	      DamageReportLevel	damageLevel,
-	      Bool		isInternal,
-	      ScreenPtr		pScreen,
-	      void		*closure)
-{
-    DamagePtr	pDamage;
-
-    pDamage = xalloc (sizeof (DamageRec));
-    if (!pDamage)
-	return 0;
-    pDamage->pNext = 0;
-    pDamage->pNextWin = 0;
-    RegionNull(&pDamage->damage);
-    
-    pDamage->damageLevel = damageLevel;
-    pDamage->isInternal = isInternal;
-    pDamage->closure = closure;
-    pDamage->isWindow = FALSE;
-    pDamage->pDrawable = 0;
-
-    pDamage->damageReport = damageReport;
-    pDamage->damageDestroy = damageDestroy;
-    return pDamage;
-}
-
-void
-DamageRegister (DrawablePtr pDrawable,
-		DamagePtr   pDamage)
-{
-    if (pDrawable->type == DRAWABLE_WINDOW)
-    {
-	WindowPtr   pWindow = (WindowPtr) pDrawable;
-	winDamageRef(pWindow);
-
-#if DAMAGE_VALIDATE_ENABLE
-	DamagePtr   pOld;
-	
-	for (pOld = *pPrev; pOld; pOld = pOld->pNextWin)
-	    if (pOld == pDamage) {
-		ErrorF ("Damage already on window list\n");
-		abort ();
-	    }
-#endif
-	pDamage->pNextWin = *pPrev;
-	*pPrev = pDamage;
-	pDamage->isWindow = TRUE;
-    }
-    else
-	pDamage->isWindow = FALSE;
-    pDamage->pDrawable = pDrawable;
-    damageInsertDamage (getDrawableDamageRef (pDrawable), pDamage);
-}
-
-void
-DamageDrawInternal (ScreenPtr pScreen, Bool enable)
-{
-    damageScrPriv (pScreen);
-
-    pScrPriv->internalLevel += enable ? 1 : -1;
-}
-
-void
-DamageUnregister (DrawablePtr	    pDrawable,
-		  DamagePtr	    pDamage)
-{
-    if (pDrawable->type == DRAWABLE_WINDOW)
-    {
-	WindowPtr   pWindow = (WindowPtr) pDrawable;
-	winDamageRef (pWindow);
-#if DAMAGE_VALIDATE_ENABLE
-	int	found = 0;
-#endif
-
-	while (*pPrev)
-	{
-	    if (*pPrev == pDamage)
-	    {
-		*pPrev = pDamage->pNextWin;
-#if DAMAGE_VALIDATE_ENABLE
-		found = 1;
-#endif
-		break;
-	    }
-	    pPrev = &(*pPrev)->pNextWin;
-	}
-#if DAMAGE_VALIDATE_ENABLE
-	if (!found) {
-	    ErrorF ("Damage not on window list\n");
-	    abort ();
-	}
-#endif
-    }
-    pDamage->pDrawable = 0;
-    damageRemoveDamage (getDrawableDamageRef (pDrawable), pDamage);
-}
-
-void
-DamageDestroy (DamagePtr    pDamage)
-{
-    if (pDamage->damageDestroy)
-	(*pDamage->damageDestroy) (pDamage, pDamage->closure);
-    RegionUninit(&pDamage->damage);
-    xfree (pDamage);
-}
-
-Bool
-DamageSubtract (DamagePtr	    pDamage,
-		const RegionPtr	    pRegion)
-{
-    RegionPtr	pClip;
-    RegionRec	pixmapClip;
-    DrawablePtr	pDrawable = pDamage->pDrawable;
-    
-    RegionSubtract(&pDamage->damage, &pDamage->damage, pRegion);
-    if (pDrawable)
-    {
-	if (pDrawable->type == DRAWABLE_WINDOW)
-	    pClip = &((WindowPtr) pDrawable)->borderClip;
-	else
-	{
-	    BoxRec  box;
-
-	    box.x1 = pDrawable->x;
-	    box.y1 = pDrawable->y;
-	    box.x2 = pDrawable->x + pDrawable->width;
-	    box.y2 = pDrawable->y + pDrawable->height;
-	    RegionInit(&pixmapClip, &box, 1);
-	    pClip = &pixmapClip;
-	}
-	RegionTranslate(&pDamage->damage, pDrawable->x, pDrawable->y);
-	RegionIntersect(&pDamage->damage, &pDamage->damage, pClip);
-	RegionTranslate(&pDamage->damage, -pDrawable->x, -pDrawable->y);
-	if (pDrawable->type != DRAWABLE_WINDOW)
-	    RegionUninit(&pixmapClip);
-    }
-    return RegionNotEmpty(&pDamage->damage);
-}
-
-void
-DamageEmpty (DamagePtr	    pDamage)
-{
-    RegionEmpty(&pDamage->damage);
-}
-
-RegionPtr
-DamageRegion (DamagePtr		    pDamage)
-{
-    return &pDamage->damage;
-}
-
-void
-DamageDamageRegion (DrawablePtr	pDrawable,
-		    RegionPtr	pRegion)
-{
-    damageDamageRegion (pDrawable, pRegion, FALSE, -1);
-}