diff options
Diffstat (limited to 'miext/damage')
| -rw-r--r-- | miext/damage/Makefile.am | 14 | ||||
| -rw-r--r-- | miext/damage/Makefile.in | 754 | ||||
| -rw-r--r-- | miext/damage/damage.c | 2127 | ||||
| -rw-r--r-- | miext/damage/damage.h | 128 | ||||
| -rw-r--r-- | miext/damage/damagestr.h | 114 |
5 files changed, 3137 insertions, 0 deletions
diff --git a/miext/damage/Makefile.am b/miext/damage/Makefile.am new file mode 100644 index 0000000..767a65a --- /dev/null +++ b/miext/damage/Makefile.am @@ -0,0 +1,14 @@ +noinst_LTLIBRARIES = libdamage.la + +AM_CFLAGS = $(DIX_CFLAGS) + +INCLUDES = -I$(srcdir)/../cw + +if XORG +sdk_HEADERS = damage.h damagestr.h +endif + +libdamage_la_SOURCES = \ + damage.c \ + damage.h \ + damagestr.h diff --git a/miext/damage/Makefile.in b/miext/damage/Makefile.in new file mode 100644 index 0000000..032e8a0 --- /dev/null +++ b/miext/damage/Makefile.in @@ -0,0 +1,754 @@ +# Makefile.in generated by automake 1.11.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, +# 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, +# Inc. +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# 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+.NOEXPORT: diff --git a/miext/damage/damage.c b/miext/damage/damage.c new file mode 100644 index 0000000..0fe1fb6 --- /dev/null +++ b/miext/damage/damage.c @@ -0,0 +1,2127 @@ +/* + * 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 + +#include <stdlib.h> + +#include <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 *) \ + dixLookupPrivateAddr(&(pPixmap)->devPrivates, damagePixPrivateKey)) + +#define pixmapDamage(pPixmap) damagePixPriv(pPixmap) + +static DevPrivateKeyRec damageScrPrivateKeyRec; +#define damageScrPrivateKey (&damageScrPrivateKeyRec) +static DevPrivateKeyRec damagePixPrivateKeyRec; +#define damagePixPrivateKey (&damagePixPrivateKeyRec) +static DevPrivateKeyRec damageGCPrivateKeyRec; +#define damageGCPrivateKey (&damageGCPrivateKeyRec) +static DevPrivateKeyRec damageWinPrivateKeyRec; +#define damageWinPrivateKey (&damageWinPrivateKeyRec) + +static DamagePtr * +getDrawableDamageRef (DrawablePtr pDrawable) +{ + PixmapPtr pPixmap; + + if (WindowDrawable(pDrawable->type)) + { + 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 *) \ + dixLookupPrivateAddr(&(pWindow)->devPrivates, damageWinPrivateKey) + +static void +damageReportDamage (DamagePtr pDamage, RegionPtr pDamageRegion) +{ + BoxRec tmpBox; + RegionRec tmpRegion; + Bool was_empty; + + switch (pDamage->damageLevel) { + case DamageReportRawRegion: + RegionUnion(&pDamage->damage, &pDamage->damage, + pDamageRegion); + (*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; + } +} + +static void +damageReportDamagePostRendering (DamagePtr pDamage, RegionPtr pOldDamage, RegionPtr pDamageRegion) +{ + BoxRec tmpBox; + RegionRec tmpRegion, newDamage; + Bool was_empty; + + RegionUnion(&newDamage, pOldDamage, pDamageRegion); + + switch (pDamage->damageLevel) { + case DamageReportRawRegion: + (*pDamage->damageReportPostRendering) (pDamage, pDamageRegion, pDamage->closure); + break; + case DamageReportDeltaRegion: + RegionNull(&tmpRegion); + RegionSubtract(&tmpRegion, pDamageRegion, pOldDamage); + if (RegionNotEmpty(&tmpRegion)) { + (*pDamage->damageReportPostRendering) (pDamage, &tmpRegion, pDamage->closure); + } + RegionUninit(&tmpRegion); + break; + case DamageReportBoundingBox: + tmpBox = *RegionExtents(pOldDamage); + if (!BOX_SAME (&tmpBox, RegionExtents(&newDamage))) { + (*pDamage->damageReportPostRendering) (pDamage, &newDamage, + pDamage->closure); + } + break; + case DamageReportNonEmpty: + was_empty = !RegionNotEmpty(pOldDamage); + if (was_empty && RegionNotEmpty(&newDamage)) { + (*pDamage->damageReportPostRendering) (pDamage, &newDamage, + pDamage->closure); + } + break; + case DamageReportNone: + break; + } + + RegionUninit(&newDamage); +} + +#if DAMAGE_DEBUG_ENABLE +static void +_damageRegionAppend (DrawablePtr pDrawable, RegionPtr pRegion, Bool clip, int subWindowMode, const char *where) +#define damageRegionAppend(d,r,c,m) _damageRegionAppend(d,r,c,m,__FUNCTION__) +#else +static void +damageRegionAppend (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; + 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) + { + 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 (!WindowDrawable(pDamage->pDrawable->type)) + { + 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); + + /* Store damage region if needed after submission. */ + if (pDamage->reportAfter || pDamage->damageMarker) + RegionUnion(&pDamage->pendingDamage, + &pDamage->pendingDamage, pDamageRegion); + + /* Duplicate current damage if needed. */ + if (pDamage->damageMarker) + RegionCopy(&pDamage->backupDamage, &pDamage->damage); + + /* Report damage now, if desired. */ + if (!pDamage->reportAfter) { + if (pDamage->damageReport) + damageReportDamage (pDamage, pDamageRegion); + else + RegionUnion(&pDamage->damage, + &pDamage->damage, pDamageRegion); + } + + /* + * 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); +} + +static void +damageRegionProcessPending (DrawablePtr pDrawable) +{ + drawableDamage(pDrawable); + + for (; pDamage != NULL; pDamage = pDamage->pNext) + { + /* submit damage marker whenever possible. */ + if (pDamage->damageMarker) + (*pDamage->damageMarker) (pDrawable, pDamage, &pDamage->backupDamage, &pDamage->pendingDamage, pDamage->closure); + if (pDamage->reportAfter) { + /* It's possible that there is only interest in postRendering reporting. */ + if (pDamage->damageReport) + damageReportDamage (pDamage, &pDamage->pendingDamage); + else + RegionUnion(&pDamage->damage, &pDamage->damage, + &pDamage->pendingDamage); + } + + if (pDamage->reportAfter || pDamage->damageMarker) + RegionEmpty(&pDamage->pendingDamage); + if (pDamage->damageMarker) + RegionEmpty(&pDamage->backupDamage); + } + +} + +#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(®ion, pBox, 1); +#if DAMAGE_DEBUG_ENABLE + _damageRegionAppend (pDrawable, ®ion, TRUE, subWindowMode, where); +#else + damageRegionAppend (pDrawable, ®ion, TRUE, subWindowMode); +#endif + RegionUninit(®ion); +} + +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, pointer, int); +static void damageDestroyClip(GCPtr); +static void damageCopyClip(GCPtr, GCPtr); + +static GCFuncs damageGCFuncs = { + damageValidateGC, damageChangeGC, damageCopyGC, damageDestroyGC, + damageChangeClip, damageDestroyClip, damageCopyClip +}; + +static GCOps damageGCOps; + +static Bool +damageCreateGC(GCPtr pGC) +{ + ScreenPtr pScreen = pGC->pScreen; + damageScrPriv(pScreen); + damageGCPriv(pGC); + Bool ret; + + 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; +} + +#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, + pointer 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))) + +#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); + damageRegionProcessPending (pDst->pDrawable); + 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); + damageRegionProcessPending (pDst->pDrawable); + wrap (pScrPriv, ps, Glyphs, damageGlyphs); +} + +static void +damageAddTraps (PicturePtr pPicture, + INT16 x_off, + INT16 y_off, + int ntrap, + xTrap *traps) +{ + ScreenPtr pScreen = pPicture->pDrawable->pScreen; + PictureScreenPtr ps = GetPictureScreen(pScreen); + damageScrPriv(pScreen); + + if (checkPictureDamage (pPicture)) + { + BoxRec box; + int i; + int x, y; + xTrap *t = traps; + + box.x1 = 32767; + box.y1 = 32767; + box.x2 = -32767; + box.y2 = -32767; + x = pPicture->pDrawable->x + x_off; + y = pPicture->pDrawable->y + y_off; + for (i = 0; i < ntrap; i++) + { + pixman_fixed_t l = min (t->top.l, t->bot.l); + pixman_fixed_t r = max (t->top.r, t->bot.r); + int x1 = x + pixman_fixed_to_int (l); + int x2 = x + pixman_fixed_to_int (pixman_fixed_ceil (r)); + int y1 = y + pixman_fixed_to_int (t->top.y); + int y2 = y + pixman_fixed_to_int (pixman_fixed_ceil (t->bot.y)); + + if (x1 < box.x1) + box.x1 = x1; + if (x2 > box.x2) + box.x2 = x2; + if (y1 < box.y1) + box.y1 = y1; + if (y2 > box.y2) + box.y2 = y2; + } + TRIM_PICTURE_BOX (box, pPicture); + if (BOX_NOT_EMPTY(box)) + damageDamageBox (pPicture->pDrawable, &box, pPicture->subWindowMode); + } + unwrap (pScrPriv, ps, AddTraps); + (*ps->AddTraps) (pPicture, x_off, y_off, ntrap, traps); + damageRegionProcessPending (pPicture->pDrawable); + wrap (pScrPriv, ps, AddTraps, damageAddTraps); +} + +/**********************************************************/ + + +static void +damageFillSpans(DrawablePtr pDrawable, + GC *pGC, + int npt, + DDXPointPtr ppt, + int *pwidth, + int fSorted) +{ + DAMAGE_GC_OP_PROLOGUE(pGC, pDrawable); + + if (npt && checkGCDamage (pDrawable, pGC)) + { + int nptTmp = npt; + DDXPointPtr pptTmp = ppt; + int *pwidthTmp = pwidth; + 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->FillSpans)(pDrawable, pGC, npt, ppt, pwidth, fSorted); + + damageRegionProcessPending (pDrawable); + 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); + damageRegionProcessPending (pDrawable); + 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); + damageRegionProcessPending (pDrawable); + 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); + + 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); + damageRegionProcessPending (pDst); + 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); + + 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); + damageRegionProcessPending (pDst); + 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); + damageRegionProcessPending (pDrawable); + DAMAGE_GC_OP_EPILOGUE(pGC, pDrawable); +} + +static void +damagePolylines(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); + damageRegionProcessPending (pDrawable); + 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); + damageRegionProcessPending (pDrawable); + 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); + damageRegionProcessPending (pDrawable); + 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); + damageRegionProcessPending (pDrawable); + 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); + damageRegionProcessPending (pDrawable); + DAMAGE_GC_OP_EPILOGUE(pGC, pDrawable); +} + + +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); + damageRegionProcessPending (pDrawable); + DAMAGE_GC_OP_EPILOGUE(pGC, pDrawable); +} + + +static void +damagePolyFillArc(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); + damageRegionProcessPending (pDrawable); + 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); +} + +/* + * values for textType: + */ +#define TT_POLY8 0 +#define TT_IMAGE8 1 +#define TT_POLY16 2 +#define TT_IMAGE16 3 + +static int +damageText (DrawablePtr pDrawable, + GCPtr pGC, + int x, + int y, + unsigned long count, + char *chars, + FontEncoding fontEncoding, + Bool textType) +{ + CharInfoPtr *charinfo; + CharInfoPtr *info; + unsigned long i; + unsigned int n; + int w; + Bool imageblt; + + imageblt = (textType == TT_IMAGE8) || (textType == TT_IMAGE16); + + charinfo = malloc(count * sizeof(CharInfoPtr)); + if (!charinfo) + return x; + + GetGlyphs(pGC->font, count, (unsigned char *)chars, + fontEncoding, &i, charinfo); + n = (unsigned int)i; + w = 0; + if (!imageblt) + for (info = charinfo; i--; info++) + w += (*info)->metrics.characterWidth; + + if (n != 0) { + damageDamageChars (pDrawable, pGC->font, x + pDrawable->x, y + pDrawable->y, n, + charinfo, imageblt, pGC->subWindowMode); + if (imageblt) + (*pGC->ops->ImageGlyphBlt)(pDrawable, pGC, x, y, n, charinfo, + FONTGLYPHS(pGC->font)); + else + (*pGC->ops->PolyGlyphBlt)(pDrawable, pGC, x, y, n, charinfo, + FONTGLYPHS(pGC->font)); + } + free(charinfo); + return x + w; +} + +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); + damageRegionProcessPending (pDrawable); + 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); + damageRegionProcessPending (pDrawable); + 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); + damageRegionProcessPending (pDrawable); + 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); + damageRegionProcessPending (pDrawable); + DAMAGE_GC_OP_EPILOGUE(pGC, pDrawable); +} + + +static void +damageImageGlyphBlt(DrawablePtr pDrawable, + GCPtr pGC, + int x, + int y, + unsigned int nglyph, + CharInfoPtr *ppci, + pointer 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); + damageRegionProcessPending (pDrawable); + DAMAGE_GC_OP_EPILOGUE(pGC, pDrawable); +} + +static void +damagePolyGlyphBlt(DrawablePtr pDrawable, + GCPtr pGC, + int x, + int y, + unsigned int nglyph, + CharInfoPtr *ppci, + pointer 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); + damageRegionProcessPending (pDrawable); + 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); + damageRegionProcessPending (pDrawable); + 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"); + OsAbort (); +#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"); + OsAbort (); + } +#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 +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); + damageRegionAppend (&pWindow->drawable, prgnSrc, FALSE, -1); + RegionTranslate(prgnSrc, -dx, -dy); + } + unwrap (pScrPriv, pScreen, CopyWindow); + (*pScreen->CopyWindow) (pWindow, ptOldOrg, prgnSrc); + damageRegionProcessPending (&pWindow->drawable); + wrap (pScrPriv, pScreen, CopyWindow, damageCopyWindow); +} + +static GCOps damageGCOps = { + damageFillSpans, damageSetSpans, + damagePutImage, damageCopyArea, + damageCopyPlane, damagePolyPoint, + damagePolylines, damagePolySegment, + damagePolyRectangle, damagePolyArc, + damageFillPolygon, damagePolyFillRect, + damagePolyFillArc, damagePolyText8, + damagePolyText16, damageImageText8, + damageImageText16, damageImageGlyphBlt, + damagePolyGlyphBlt, damagePushPixels, +}; + +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, CopyWindow); + unwrap (pScrPriv, pScreen, CloseScreen); + free(pScrPriv); + return (*pScreen->CloseScreen) (i, pScreen); +} + +/** + * Default implementations of the damage management functions. + */ +void miDamageCreate (DamagePtr pDamage) +{ +} + +void miDamageRegister (DrawablePtr pDrawable, DamagePtr pDamage) +{ +} + +void miDamageUnregister (DrawablePtr pDrawable, DamagePtr pDamage) +{ +} + +void miDamageDestroy (DamagePtr pDamage) +{ +} + +/** + * Public functions for consumption outside this file. + */ + +Bool +DamageSetup (ScreenPtr pScreen) +{ + DamageScrPrivPtr pScrPriv; + PictureScreenPtr ps = GetPictureScreenIfSet(pScreen); + const DamageScreenFuncsRec miFuncs = { + miDamageCreate, miDamageRegister, miDamageUnregister, miDamageDestroy + }; + + if (!dixRegisterPrivateKey(&damageScrPrivateKeyRec, PRIVATE_SCREEN, 0)) + return FALSE; + + if (dixLookupPrivate(&pScreen->devPrivates, damageScrPrivateKey)) + return TRUE; + + if (!dixRegisterPrivateKey(&damageGCPrivateKeyRec, PRIVATE_GC, sizeof(DamageGCPrivRec))) + return FALSE; + + if (!dixRegisterPrivateKey(&damagePixPrivateKeyRec, PRIVATE_PIXMAP, 0)) + return FALSE; + + if (!dixRegisterPrivateKey(&damageWinPrivateKeyRec, PRIVATE_WINDOW, 0)) + return FALSE; + + pScrPriv = malloc(sizeof (DamageScrPrivRec)); + if (!pScrPriv) + return FALSE; + + pScrPriv->internalLevel = 0; + pScrPriv->pScreenDamage = 0; + + wrap (pScrPriv, pScreen, DestroyPixmap, damageDestroyPixmap); + wrap (pScrPriv, pScreen, CreateGC, damageCreateGC); + wrap (pScrPriv, pScreen, DestroyWindow, damageDestroyWindow); + wrap (pScrPriv, pScreen, SetWindowPixmap, damageSetWindowPixmap); + wrap (pScrPriv, pScreen, CopyWindow, damageCopyWindow); + wrap (pScrPriv, pScreen, CloseScreen, damageCloseScreen); + if (ps) { + wrap (pScrPriv, ps, Glyphs, damageGlyphs); + wrap (pScrPriv, ps, Composite, damageComposite); + wrap (pScrPriv, ps, AddTraps, damageAddTraps); + } + + pScrPriv->funcs = miFuncs; + + dixSetPrivate(&pScreen->devPrivates, damageScrPrivateKey, pScrPriv); + return TRUE; +} + +DamagePtr +DamageCreate (DamageReportFunc damageReport, + DamageDestroyFunc damageDestroy, + DamageReportLevel damageLevel, + Bool isInternal, + ScreenPtr pScreen, + void *closure) +{ + damageScrPriv(pScreen); + DamagePtr pDamage; + + pDamage = dixAllocateObjectWithPrivates(DamageRec, PRIVATE_DAMAGE); + if (!pDamage) + return 0; + pDamage->pNext = 0; + pDamage->pNextWin = 0; + RegionNull(&pDamage->damage); + RegionNull(&pDamage->pendingDamage); + + pDamage->damageLevel = damageLevel; + pDamage->isInternal = isInternal; + pDamage->closure = closure; + pDamage->isWindow = FALSE; + pDamage->pDrawable = 0; + pDamage->reportAfter = FALSE; + + pDamage->damageReport = damageReport; + pDamage->damageReportPostRendering = NULL; + pDamage->damageDestroy = damageDestroy; + pDamage->damageMarker = NULL; + pDamage->pScreen = pScreen; + + (*pScrPriv->funcs.Create) (pDamage); + + return pDamage; +} + +void +DamageRegister (DrawablePtr pDrawable, + DamagePtr pDamage) +{ + ScreenPtr pScreen = pDrawable->pScreen; + damageScrPriv(pScreen); + +#if DAMAGE_VALIDATE_ENABLE + if (pDrawable->pScreen != pDamage->pScreen) + { + ErrorF ("DamageRegister called with mismatched screens\n"); + OsAbort (); + } +#endif + + 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"); + OsAbort (); + } +#endif + pDamage->pNextWin = *pPrev; + *pPrev = pDamage; + pDamage->isWindow = TRUE; + } + else + pDamage->isWindow = FALSE; + pDamage->pDrawable = pDrawable; + damageInsertDamage (getDrawableDamageRef (pDrawable), pDamage); + (*pScrPriv->funcs.Register) (pDrawable, pDamage); +} + +void +DamageDrawInternal (ScreenPtr pScreen, Bool enable) +{ + damageScrPriv (pScreen); + + pScrPriv->internalLevel += enable ? 1 : -1; +} + +void +DamageUnregister (DrawablePtr pDrawable, + DamagePtr pDamage) +{ + ScreenPtr pScreen = pDrawable->pScreen; + damageScrPriv(pScreen); + + (*pScrPriv->funcs.Unregister) (pDrawable, 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"); + OsAbort (); + } +#endif + } + pDamage->pDrawable = 0; + damageRemoveDamage (getDrawableDamageRef (pDrawable), pDamage); +} + +void +DamageDestroy (DamagePtr pDamage) +{ + ScreenPtr pScreen = pDamage->pScreen; + damageScrPriv(pScreen); + + if (pDamage->damageDestroy) + (*pDamage->damageDestroy) (pDamage, pDamage->closure); + (*pScrPriv->funcs.Destroy) (pDamage); + RegionUninit(&pDamage->damage); + RegionUninit(&pDamage->pendingDamage); + dixFreeObjectWithPrivates(pDamage, PRIVATE_DAMAGE); +} + +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; +} + +RegionPtr +DamagePendingRegion (DamagePtr pDamage) +{ + return &pDamage->pendingDamage; +} + +void +DamageRegionAppend (DrawablePtr pDrawable, RegionPtr pRegion) +{ + damageRegionAppend (pDrawable, pRegion, FALSE, -1); +} + +void +DamageRegionProcessPending (DrawablePtr pDrawable) +{ + damageRegionProcessPending (pDrawable); +} + +/* If a damage marker is provided, then this function must be called after rendering is done. */ +/* Please do call back so any future enhancements can assume this function is called. */ +/* There are no strict timing requirements for calling this function, just as soon as (is cheaply) possible. */ +void +DamageRegionRendered (DrawablePtr pDrawable, DamagePtr pDamage, RegionPtr pOldDamage, RegionPtr pRegion) +{ + if (pDamage->damageReportPostRendering) + damageReportDamagePostRendering (pDamage, pOldDamage, pRegion); +} + +/* This call is very odd, i'm leaving it intact for API sake, but please don't use it. */ +void +DamageDamageRegion (DrawablePtr pDrawable, + RegionPtr pRegion) +{ + damageRegionAppend (pDrawable, pRegion, FALSE, -1); + + /* Go back and report this damage for DamagePtrs with reportAfter set, since + * this call isn't part of an in-progress drawing op in the call chain and + * the DDX probably just wants to know about it right away. + */ + damageRegionProcessPending (pDrawable); +} + +void +DamageSetReportAfterOp (DamagePtr pDamage, Bool reportAfter) +{ + pDamage->reportAfter = reportAfter; +} + +void +DamageSetPostRenderingFunctions(DamagePtr pDamage, DamageReportFunc damageReportPostRendering, + DamageMarkerFunc damageMarker) +{ + pDamage->damageReportPostRendering = damageReportPostRendering; + pDamage->damageMarker = damageMarker; +} + +DamageScreenFuncsPtr +DamageGetScreenFuncs (ScreenPtr pScreen) +{ + damageScrPriv(pScreen); + return &pScrPriv->funcs; +} diff --git a/miext/damage/damage.h b/miext/damage/damage.h new file mode 100644 index 0000000..067016f --- /dev/null +++ b/miext/damage/damage.h @@ -0,0 +1,128 @@ +/* + * 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_ */ diff --git a/miext/damage/damagestr.h b/miext/damage/damagestr.h new file mode 100644 index 0000000..b224958 --- /dev/null +++ b/miext/damage/damagestr.h @@ -0,0 +1,114 @@ +/* + * 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 _DAMAGESTR_H_ +#define _DAMAGESTR_H_ + +#include "damage.h" +#include "gcstruct.h" +#include "privates.h" +# include "picturestr.h" + +typedef struct _damage { + DamagePtr pNext; + DamagePtr pNextWin; + RegionRec damage; + + DamageReportLevel damageLevel; + Bool isInternal; + void *closure; + Bool isWindow; + DrawablePtr pDrawable; + + DamageReportFunc damageReport; + DamageReportFunc damageReportPostRendering; + DamageDestroyFunc damageDestroy; + DamageMarkerFunc damageMarker; + + Bool reportAfter; + RegionRec pendingDamage; /* will be flushed post submission at the latest */ + RegionRec backupDamage; /* for use with damageMarker */ + ScreenPtr pScreen; + PrivateRec *devPrivates; +} DamageRec; + +typedef struct _damageScrPriv { + int internalLevel; + + /* + * For DDXen which don't provide GetScreenPixmap, this provides + * a place to hook damage for windows on the screen + */ + DamagePtr pScreenDamage; + + CopyWindowProcPtr CopyWindow; + CloseScreenProcPtr CloseScreen; + CreateGCProcPtr CreateGC; + DestroyPixmapProcPtr DestroyPixmap; + SetWindowPixmapProcPtr SetWindowPixmap; + DestroyWindowProcPtr DestroyWindow; + CompositeProcPtr Composite; + GlyphsProcPtr Glyphs; + AddTrapsProcPtr AddTraps; + + /* Table of wrappable function pointers */ + DamageScreenFuncsRec funcs; +} DamageScrPrivRec, *DamageScrPrivPtr; + +typedef struct _damageGCPriv { + GCOps *ops; + GCFuncs *funcs; +} DamageGCPrivRec, *DamageGCPrivPtr; + +/* XXX should move these into damage.c, damageScrPrivateIndex is static */ +#define damageGetScrPriv(pScr) ((DamageScrPrivPtr) \ + dixLookupPrivate(&(pScr)->devPrivates, damageScrPrivateKey)) + +#define damageScrPriv(pScr) \ + DamageScrPrivPtr pScrPriv = damageGetScrPriv(pScr) + +#define damageGetPixPriv(pPix) \ + dixLookupPrivate(&(pPix)->devPrivates, damagePixPrivateKey) + +#define damgeSetPixPriv(pPix,v) \ + dixSetPrivate(&(pPix)->devPrivates, damagePixPrivateKey, v) + +#define damagePixPriv(pPix) \ + DamagePtr pDamage = damageGetPixPriv(pPix) + +#define damageGetGCPriv(pGC) \ + dixLookupPrivate(&(pGC)->devPrivates, damageGCPrivateKey) + +#define damageGCPriv(pGC) \ + DamageGCPrivPtr pGCPriv = damageGetGCPriv(pGC) + +#define damageGetWinPriv(pWin) \ + ((DamagePtr)dixLookupPrivate(&(pWin)->devPrivates, damageWinPrivateKey)) + +#define damageSetWinPriv(pWin,d) \ + dixSetPrivate(&(pWin)->devPrivates, damageWinPrivateKey, d) + +#endif /* _DAMAGESTR_H_ */ |