From dafebc5bb70303f0b5baf0b087cf4d9a64b5c7f0 Mon Sep 17 00:00:00 2001 From: marha Date: Mon, 12 Sep 2011 11:27:51 +0200 Subject: Synchronised line endinge with release branch --- xorg-server/miext/damage/damage.c | 4256 +++++++++++++------------- xorg-server/miext/damage/damage.h | 264 +- xorg-server/miext/rootless/rootlessScreen.c | 1508 ++++----- xorg-server/miext/rootless/rootlessValTree.c | 1242 ++++---- 4 files changed, 3635 insertions(+), 3635 deletions(-) (limited to 'xorg-server/miext') diff --git a/xorg-server/miext/damage/damage.c b/xorg-server/miext/damage/damage.c index de7b53543..224f5e074 100644 --- a/xorg-server/miext/damage/damage.c +++ b/xorg-server/miext/damage/damage.c @@ -1,2128 +1,2128 @@ -/* - * 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 -#endif - -#include - -#include -#include "scrnintstr.h" -#include "windowstr.h" -#include -#include "dixfontstr.h" -#include -#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 -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 + (short)pRectsTmp->width; - box.y1 = pRectsTmp->y; - box.y2 = box.y1 + (short)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, - const 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; -} - -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; - } -} - +/* + * 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 +#endif + +#include + +#include +#include "scrnintstr.h" +#include "windowstr.h" +#include +#include "dixfontstr.h" +#include +#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 +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 + (short)pRectsTmp->width; + box.y1 = pRectsTmp->y; + box.y2 = box.y1 + (short)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, + const 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; +} + +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; + } +} + diff --git a/xorg-server/miext/damage/damage.h b/xorg-server/miext/damage/damage.h index d2a032986..0c7fc316c 100644 --- a/xorg-server/miext/damage/damage.h +++ b/xorg-server/miext/damage/damage.h @@ -1,132 +1,132 @@ -/* - * 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 -#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); - -/* Call this when you create a new Damage and you wish to send an initial damage message (to it). */ -extern _X_EXPORT void -DamageReportDamage (DamagePtr pDamage, RegionPtr pDamageRegion); - -/* 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_ */ +/* + * 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 +#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); + +/* Call this when you create a new Damage and you wish to send an initial damage message (to it). */ +extern _X_EXPORT void +DamageReportDamage (DamagePtr pDamage, RegionPtr pDamageRegion); + +/* 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/xorg-server/miext/rootless/rootlessScreen.c b/xorg-server/miext/rootless/rootlessScreen.c index 03e3278d3..0801e7206 100644 --- a/xorg-server/miext/rootless/rootlessScreen.c +++ b/xorg-server/miext/rootless/rootlessScreen.c @@ -1,754 +1,754 @@ -/* - * Screen routines for generic rootless X server - */ -/* - * Copyright (c) 2001 Greg Parker. All Rights Reserved. - * Copyright (c) 2002-2003 Torrey T. Lyons. All Rights Reserved. - * Copyright (c) 2002 Apple Computer, Inc. All rights reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Except as contained in this notice, the name(s) of the above copyright - * holders shall not be used in advertising or otherwise to promote the sale, - * use or other dealings in this Software without prior written authorization. - */ - - -#ifdef HAVE_DIX_CONFIG_H -#include -#endif - -#include "mi.h" -#include "scrnintstr.h" -#include "gcstruct.h" -#include "pixmapstr.h" -#include "windowstr.h" -#include "propertyst.h" -#include "mivalidate.h" -#include "picturestr.h" -#include "colormapst.h" - -#include -#include -#include -#include - -#include "rootlessCommon.h" -#include "rootlessWindow.h" - -/* In milliseconds */ -#ifndef ROOTLESS_REDISPLAY_DELAY -#define ROOTLESS_REDISPLAY_DELAY 10 -#endif - -extern int RootlessMiValidateTree(WindowPtr pRoot, WindowPtr pChild, - VTKind kind); -extern Bool RootlessCreateGC(GCPtr pGC); - -// Initialize globals -DevPrivateKeyRec rootlessGCPrivateKeyRec; -DevPrivateKeyRec rootlessScreenPrivateKeyRec; -DevPrivateKeyRec rootlessWindowPrivateKeyRec; -DevPrivateKeyRec rootlessWindowOldPixmapPrivateKeyRec; - -/* - * RootlessUpdateScreenPixmap - * miCreateScreenResources does not like a null framebuffer pointer, - * it leaves the screen pixmap with an uninitialized data pointer. - * Thus, rootless implementations typically set the framebuffer width - * to zero so that miCreateScreenResources does not allocate a screen - * pixmap for us. We allocate our own screen pixmap here since we need - * the screen pixmap to be valid (e.g. CopyArea from the root window). - */ -void -RootlessUpdateScreenPixmap(ScreenPtr pScreen) -{ - RootlessScreenRec *s = SCREENREC(pScreen); - PixmapPtr pPix; - unsigned int rowbytes; - - pPix = (*pScreen->GetScreenPixmap)(pScreen); - if (pPix == NULL) { - pPix = (*pScreen->CreatePixmap)(pScreen, 0, 0, pScreen->rootDepth, 0); - (*pScreen->SetScreenPixmap)(pPix); - } - - rowbytes = PixmapBytePad(pScreen->width, pScreen->rootDepth); - - if (s->pixmap_data_size < rowbytes) { - free(s->pixmap_data); - - s->pixmap_data_size = rowbytes; - s->pixmap_data = malloc(s->pixmap_data_size); - if (s->pixmap_data == NULL) - return; - - memset(s->pixmap_data, 0xFF, s->pixmap_data_size); - - pScreen->ModifyPixmapHeader(pPix, pScreen->width, pScreen->height, - pScreen->rootDepth, - BitsPerPixel(pScreen->rootDepth), - 0, s->pixmap_data); - /* ModifyPixmapHeader ignores zero arguments, so install rowbytes - by hand. */ - pPix->devKind = 0; - } -} - - -/* - * RootlessCreateScreenResources - * Rootless implementations typically set a null framebuffer pointer, which - * causes problems with miCreateScreenResources. We fix things up here. - */ -static Bool -RootlessCreateScreenResources(ScreenPtr pScreen) -{ - Bool ret = TRUE; - - SCREEN_UNWRAP(pScreen, CreateScreenResources); - - if (pScreen->CreateScreenResources != NULL) - ret = (*pScreen->CreateScreenResources)(pScreen); - - SCREEN_WRAP(pScreen, CreateScreenResources); - - if (!ret) - return ret; - - /* Make sure we have a valid screen pixmap. */ - - RootlessUpdateScreenPixmap(pScreen); - - return ret; -} - - -static Bool -RootlessCloseScreen(int i, ScreenPtr pScreen) -{ - RootlessScreenRec *s; - - s = SCREENREC(pScreen); - - // fixme unwrap everything that was wrapped? - pScreen->CloseScreen = s->CloseScreen; - - if (s->pixmap_data != NULL) { - free(s->pixmap_data); - s->pixmap_data = NULL; - s->pixmap_data_size = 0; - } - - free(s); - return pScreen->CloseScreen(i, pScreen); -} - - -static void -RootlessGetImage(DrawablePtr pDrawable, int sx, int sy, int w, int h, - unsigned int format, unsigned long planeMask, char *pdstLine) -{ - ScreenPtr pScreen = pDrawable->pScreen; - SCREEN_UNWRAP(pScreen, GetImage); - - if (pDrawable->type == DRAWABLE_WINDOW) { - int x0, y0, x1, y1; - RootlessWindowRec *winRec; - - // Many apps use GetImage to sync with the visible frame buffer - // FIXME: entire screen or just window or all screens? - RootlessRedisplayScreen(pScreen); - - // RedisplayScreen stops drawing, so we need to start it again - RootlessStartDrawing((WindowPtr)pDrawable); - - /* Check that we have some place to read from. */ - winRec = WINREC(TopLevelParent((WindowPtr) pDrawable)); - if (winRec == NULL) - goto out; - - /* Clip to top-level window bounds. */ - /* FIXME: fbGetImage uses the width parameter to calculate the - stride of the destination pixmap. If w is clipped, the data - returned will be garbage, although we will not crash. */ - - x0 = pDrawable->x + sx; - y0 = pDrawable->y + sy; - x1 = x0 + w; - y1 = y0 + h; - - x0 = max (x0, winRec->x); - y0 = max (y0, winRec->y); - x1 = min (x1, winRec->x + winRec->width); - y1 = min (y1, winRec->y + winRec->height); - - sx = x0 - pDrawable->x; - sy = y0 - pDrawable->y; - w = x1 - x0; - h = y1 - y0; - - if (w <= 0 || h <= 0) - goto out; - } - - pScreen->GetImage(pDrawable, sx, sy, w, h, format, planeMask, pdstLine); - -out: - SCREEN_WRAP(pScreen, GetImage); -} - - -/* - * RootlessSourceValidate - * CopyArea and CopyPlane use a GC tied to the destination drawable. - * StartDrawing/StopDrawing wrappers won't be called if source is - * a visible window but the destination isn't. So, we call StartDrawing - * here and leave StopDrawing for the block handler. - */ -static void -RootlessSourceValidate(DrawablePtr pDrawable, int x, int y, int w, int h, - unsigned int subWindowMode) -{ - SCREEN_UNWRAP(pDrawable->pScreen, SourceValidate); - if (pDrawable->type == DRAWABLE_WINDOW) { - WindowPtr pWin = (WindowPtr)pDrawable; - RootlessStartDrawing(pWin); - } - if (pDrawable->pScreen->SourceValidate) { - pDrawable->pScreen->SourceValidate(pDrawable, x, y, w, h, subWindowMode); - } - SCREEN_WRAP(pDrawable->pScreen, SourceValidate); -} - -static void -RootlessComposite(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); - WindowPtr srcWin, dstWin, maskWin = NULL; - - if (pMask) { // pMask can be NULL - maskWin = (pMask->pDrawable->type == DRAWABLE_WINDOW) ? - (WindowPtr)pMask->pDrawable : NULL; - } - srcWin = (pSrc->pDrawable && pSrc->pDrawable->type == DRAWABLE_WINDOW) ? - (WindowPtr)pSrc->pDrawable : NULL; - dstWin = (pDst->pDrawable->type == DRAWABLE_WINDOW) ? - (WindowPtr)pDst->pDrawable : NULL; - - // SCREEN_UNWRAP(ps, Composite); - ps->Composite = SCREENREC(pScreen)->Composite; - - if (srcWin && IsFramedWindow(srcWin)) - RootlessStartDrawing(srcWin); - if (maskWin && IsFramedWindow(maskWin)) - RootlessStartDrawing(maskWin); - if (dstWin && IsFramedWindow(dstWin)) - RootlessStartDrawing(dstWin); - - ps->Composite(op, pSrc, pMask, pDst, - xSrc, ySrc, xMask, yMask, - xDst, yDst, width, height); - - if (dstWin && IsFramedWindow(dstWin)) { - RootlessDamageRect(dstWin, xDst, yDst, width, height); - } - - ps->Composite = RootlessComposite; - // SCREEN_WRAP(ps, Composite); -} - - -static void -RootlessGlyphs(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); - int x, y; - int n; - GlyphPtr glyph; - WindowPtr srcWin, dstWin; - - srcWin = (pSrc->pDrawable && pSrc->pDrawable->type == DRAWABLE_WINDOW) ? - (WindowPtr)pSrc->pDrawable : NULL; - dstWin = (pDst->pDrawable->type == DRAWABLE_WINDOW) ? - (WindowPtr)pDst->pDrawable : NULL; - - if (srcWin && IsFramedWindow(srcWin)) RootlessStartDrawing(srcWin); - if (dstWin && IsFramedWindow(dstWin)) RootlessStartDrawing(dstWin); - - //SCREEN_UNWRAP(ps, Glyphs); - ps->Glyphs = SCREENREC(pScreen)->Glyphs; - ps->Glyphs(op, pSrc, pDst, maskFormat, xSrc, ySrc, nlist, list, glyphs); - ps->Glyphs = RootlessGlyphs; - //SCREEN_WRAP(ps, Glyphs); - - if (dstWin && IsFramedWindow(dstWin)) { - x = xSrc; - y = ySrc; - - while (nlist--) { - x += list->xOff; - y += list->yOff; - n = list->len; - - /* Calling DamageRect for the bounding box of each glyph is - inefficient. So compute the union of all glyphs in a list - and damage that. */ - - if (n > 0) { - BoxRec box; - - glyph = *glyphs++; - - box.x1 = x - glyph->info.x; - box.y1 = y - glyph->info.y; - box.x2 = box.x1 + glyph->info.width; - box.y2 = box.y1 + glyph->info.height; - - x += glyph->info.xOff; - y += glyph->info.yOff; - - while (--n > 0) { - short x1, y1, x2, y2; - - glyph = *glyphs++; - - x1 = x - glyph->info.x; - y1 = y - glyph->info.y; - x2 = x1 + glyph->info.width; - y2 = y1 + glyph->info.height; - - box.x1 = max (box.x1, x1); - box.y1 = max (box.y1, y1); - box.x2 = max (box.x2, x2); - box.y2 = max (box.y2, y2); - - x += glyph->info.xOff; - y += glyph->info.yOff; - } - - RootlessDamageBox(dstWin, &box); - } - list++; - } - } -} - - -/* - * RootlessValidateTree - * ValidateTree is modified in two ways: - * - top-level windows don't clip each other - * - windows aren't clipped against root. - * These only matter when validating from the root. - */ -static int -RootlessValidateTree(WindowPtr pParent, WindowPtr pChild, VTKind kind) -{ - int result; - RegionRec saveRoot; - ScreenPtr pScreen = pParent->drawable.pScreen; - - SCREEN_UNWRAP(pScreen, ValidateTree); - RL_DEBUG_MSG("VALIDATETREE start "); - - // Use our custom version to validate from root - if (IsRoot(pParent)) { - RL_DEBUG_MSG("custom "); - result = RootlessMiValidateTree(pParent, pChild, kind); - } else { - HUGE_ROOT(pParent); - result = pScreen->ValidateTree(pParent, pChild, kind); - NORMAL_ROOT(pParent); - } - - SCREEN_WRAP(pScreen, ValidateTree); - RL_DEBUG_MSG("VALIDATETREE end\n"); - - return result; -} - - -/* - * RootlessMarkOverlappedWindows - * MarkOverlappedWindows is modified to ignore overlapping - * top-level windows. - */ -static Bool -RootlessMarkOverlappedWindows(WindowPtr pWin, WindowPtr pFirst, - WindowPtr *ppLayerWin) -{ - RegionRec saveRoot; - Bool result; - ScreenPtr pScreen = pWin->drawable.pScreen; - SCREEN_UNWRAP(pScreen, MarkOverlappedWindows); - RL_DEBUG_MSG("MARKOVERLAPPEDWINDOWS start "); - - HUGE_ROOT(pWin); - if (IsRoot(pWin)) { - // root - mark nothing - RL_DEBUG_MSG("is root not marking "); - result = FALSE; - } - else if (! IsTopLevel(pWin)) { - // not top-level window - mark normally - result = pScreen->MarkOverlappedWindows(pWin, pFirst, ppLayerWin); - } - else { - //top-level window - mark children ONLY - NO overlaps with sibs (?) - // This code copied from miMarkOverlappedWindows() - - register WindowPtr pChild; - Bool anyMarked = FALSE; - MarkWindowProcPtr MarkWindow = pScreen->MarkWindow; - - RL_DEBUG_MSG("is top level! "); - /* single layered systems are easy */ - if (ppLayerWin) *ppLayerWin = pWin; - - if (pWin == pFirst) { - /* Blindly mark pWin and all of its inferiors. This is a slight - * overkill if there are mapped windows that outside pWin's border, - * but it's better than wasting time on RectIn checks. - */ - pChild = pWin; - while (1) { - if (pChild->viewable) { - if (RegionBroken(&pChild->winSize)) - SetWinSize (pChild); - if (RegionBroken(&pChild->borderSize)) - SetBorderSize (pChild); - (* MarkWindow)(pChild); - if (pChild->firstChild) { - pChild = pChild->firstChild; - continue; - } - } - while (!pChild->nextSib && (pChild != pWin)) - pChild = pChild->parent; - if (pChild == pWin) - break; - pChild = pChild->nextSib; - } - anyMarked = TRUE; - } - if (anyMarked) - (* MarkWindow)(pWin->parent); - result = anyMarked; - } - NORMAL_ROOT(pWin); - SCREEN_WRAP(pScreen, MarkOverlappedWindows); - RL_DEBUG_MSG("MARKOVERLAPPEDWINDOWS end\n"); - - return result; -} - -static void expose_1 (WindowPtr pWin) { - WindowPtr pChild; - - if (!pWin->realized) - return; - - miPaintWindow(pWin, &pWin->borderClip, PW_BACKGROUND); - - /* FIXME: comments in windowstr.h indicate that borderClip doesn't - include subwindow visibility. But I'm not so sure.. so we may - be exposing too much.. */ - - miSendExposures (pWin, &pWin->borderClip, - pWin->drawable.x, pWin->drawable.y); - - for (pChild = pWin->firstChild; pChild != NULL; pChild = pChild->nextSib) - expose_1 (pChild); -} - -void -RootlessScreenExpose (ScreenPtr pScreen) -{ - expose_1 (pScreen->root); -} - - -ColormapPtr -RootlessGetColormap (ScreenPtr pScreen) -{ - RootlessScreenRec *s = SCREENREC (pScreen); - - return s->colormap; -} - -static void -RootlessInstallColormap (ColormapPtr pMap) -{ - ScreenPtr pScreen = pMap->pScreen; - RootlessScreenRec *s = SCREENREC (pScreen); - - SCREEN_UNWRAP(pScreen, InstallColormap); - - if (s->colormap != pMap) { - s->colormap = pMap; - s->colormap_changed = TRUE; - RootlessQueueRedisplay (pScreen); - } - - pScreen->InstallColormap (pMap); - - SCREEN_WRAP (pScreen, InstallColormap); -} - -static void -RootlessUninstallColormap (ColormapPtr pMap) -{ - ScreenPtr pScreen = pMap->pScreen; - RootlessScreenRec *s = SCREENREC (pScreen); - - SCREEN_UNWRAP(pScreen, UninstallColormap); - - if (s->colormap == pMap) - s->colormap = NULL; - - pScreen->UninstallColormap (pMap); - - SCREEN_WRAP(pScreen, UninstallColormap); -} - -static void -RootlessStoreColors (ColormapPtr pMap, int ndef, xColorItem *pdef) -{ - ScreenPtr pScreen = pMap->pScreen; - RootlessScreenRec *s = SCREENREC (pScreen); - - SCREEN_UNWRAP(pScreen, StoreColors); - - if (s->colormap == pMap && ndef > 0) { - s->colormap_changed = TRUE; - RootlessQueueRedisplay (pScreen); - } - - pScreen->StoreColors (pMap, ndef, pdef); - - SCREEN_WRAP(pScreen, StoreColors); -} - - -static CARD32 -RootlessRedisplayCallback(OsTimerPtr timer, CARD32 time, void *arg) -{ - RootlessScreenRec *screenRec = arg; - - if (!screenRec->redisplay_queued) { - /* No update needed. Stop the timer. */ - - screenRec->redisplay_timer_set = FALSE; - return 0; - } - - screenRec->redisplay_queued = FALSE; - - /* Mark that we should redisplay before waiting for I/O next time */ - screenRec->redisplay_expired = TRUE; - - /* Reinstall the timer immediately, so we get as close to our - redisplay interval as possible. */ - - return ROOTLESS_REDISPLAY_DELAY; -} - - -/* - * RootlessQueueRedisplay - * Queue a redisplay after a timer delay to ensure we do not redisplay - * too frequently. - */ -void -RootlessQueueRedisplay(ScreenPtr pScreen) -{ - RootlessScreenRec *screenRec = SCREENREC(pScreen); - - screenRec->redisplay_queued = TRUE; - - if (screenRec->redisplay_timer_set) - return; - - screenRec->redisplay_timer = TimerSet(screenRec->redisplay_timer, - 0, ROOTLESS_REDISPLAY_DELAY, - RootlessRedisplayCallback, - screenRec); - screenRec->redisplay_timer_set = TRUE; -} - - -/* - * RootlessBlockHandler - * If the redisplay timer has expired, flush drawing before blocking - * on select(). - */ -static void -RootlessBlockHandler(pointer pbdata, OSTimePtr pTimeout, pointer pReadmask) -{ - ScreenPtr pScreen = pbdata; - RootlessScreenRec *screenRec = SCREENREC(pScreen); - - if (screenRec->redisplay_expired) { - screenRec->redisplay_expired = FALSE; - - RootlessRedisplayScreen(pScreen); - } -} - - -static void -RootlessWakeupHandler(pointer data, int i, pointer LastSelectMask) -{ - // nothing here -} - - -static Bool -RootlessAllocatePrivates(ScreenPtr pScreen) -{ - RootlessScreenRec *s; - - if (!dixRegisterPrivateKey(&rootlessGCPrivateKeyRec, PRIVATE_GC, sizeof(RootlessGCRec))) - return FALSE; - if (!dixRegisterPrivateKey(&rootlessScreenPrivateKeyRec, PRIVATE_SCREEN, 0)) - return FALSE; - if (!dixRegisterPrivateKey(&rootlessWindowPrivateKeyRec, PRIVATE_WINDOW, 0)) - return FALSE; - if (!dixRegisterPrivateKey(&rootlessWindowOldPixmapPrivateKeyRec, PRIVATE_WINDOW, 0)) - return FALSE; - - s = malloc(sizeof(RootlessScreenRec)); - if (! s) return FALSE; - SETSCREENREC(pScreen, s); - - s->pixmap_data = NULL; - s->pixmap_data_size = 0; - - s->redisplay_timer = NULL; - s->redisplay_timer_set = FALSE; - - return TRUE; -} - - -static void -RootlessWrap(ScreenPtr pScreen) -{ - RootlessScreenRec *s = SCREENREC(pScreen); - -#define WRAP(a) \ - if (pScreen->a) { \ - s->a = pScreen->a; \ - } else { \ - RL_DEBUG_MSG("null screen fn " #a "\n"); \ - s->a = NULL; \ - } \ - pScreen->a = Rootless##a - - WRAP(CreateScreenResources); - WRAP(CloseScreen); - WRAP(CreateGC); - WRAP(CopyWindow); - WRAP(GetImage); - WRAP(SourceValidate); - WRAP(CreateWindow); - WRAP(DestroyWindow); - WRAP(RealizeWindow); - WRAP(UnrealizeWindow); - WRAP(MoveWindow); - WRAP(PositionWindow); - WRAP(ResizeWindow); - WRAP(RestackWindow); - WRAP(ReparentWindow); - WRAP(ChangeBorderWidth); - WRAP(MarkOverlappedWindows); - WRAP(ValidateTree); - WRAP(ChangeWindowAttributes); - WRAP(InstallColormap); - WRAP(UninstallColormap); - WRAP(StoreColors); - - WRAP(SetShape); - - { - // Composite and Glyphs don't use normal screen wrapping - PictureScreenPtr ps = GetPictureScreen(pScreen); - s->Composite = ps->Composite; - ps->Composite = RootlessComposite; - s->Glyphs = ps->Glyphs; - ps->Glyphs = RootlessGlyphs; - } - - // WRAP(ClearToBackground); fixme put this back? useful for shaped wins? - -#undef WRAP -} - - -/* - * RootlessInit - * Called by the rootless implementation to initialize the rootless layer. - * Rootless wraps lots of stuff and needs a bunch of devPrivates. - */ -Bool RootlessInit(ScreenPtr pScreen, RootlessFrameProcsPtr procs) -{ - RootlessScreenRec *s; - - if (!RootlessAllocatePrivates(pScreen)) - return FALSE; - - s = SCREENREC(pScreen); - - s->imp = procs; - s->colormap = NULL; - s->redisplay_expired = FALSE; - - RootlessWrap(pScreen); - - if (!RegisterBlockAndWakeupHandlers(RootlessBlockHandler, - RootlessWakeupHandler, - (pointer) pScreen)) - { - return FALSE; - } - - return TRUE; -} - -void RootlessUpdateRooted (Bool state) { - int i; - - if (!state) - { - for (i = 0; i < screenInfo.numScreens; i++) - RootlessDisableRoot (screenInfo.screens[i]); - } - else - { - for (i = 0; i < screenInfo.numScreens; i++) - RootlessEnableRoot (screenInfo.screens[i]); - } -} +/* + * Screen routines for generic rootless X server + */ +/* + * Copyright (c) 2001 Greg Parker. All Rights Reserved. + * Copyright (c) 2002-2003 Torrey T. Lyons. All Rights Reserved. + * Copyright (c) 2002 Apple Computer, Inc. All rights reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Except as contained in this notice, the name(s) of the above copyright + * holders shall not be used in advertising or otherwise to promote the sale, + * use or other dealings in this Software without prior written authorization. + */ + + +#ifdef HAVE_DIX_CONFIG_H +#include +#endif + +#include "mi.h" +#include "scrnintstr.h" +#include "gcstruct.h" +#include "pixmapstr.h" +#include "windowstr.h" +#include "propertyst.h" +#include "mivalidate.h" +#include "picturestr.h" +#include "colormapst.h" + +#include +#include +#include +#include + +#include "rootlessCommon.h" +#include "rootlessWindow.h" + +/* In milliseconds */ +#ifndef ROOTLESS_REDISPLAY_DELAY +#define ROOTLESS_REDISPLAY_DELAY 10 +#endif + +extern int RootlessMiValidateTree(WindowPtr pRoot, WindowPtr pChild, + VTKind kind); +extern Bool RootlessCreateGC(GCPtr pGC); + +// Initialize globals +DevPrivateKeyRec rootlessGCPrivateKeyRec; +DevPrivateKeyRec rootlessScreenPrivateKeyRec; +DevPrivateKeyRec rootlessWindowPrivateKeyRec; +DevPrivateKeyRec rootlessWindowOldPixmapPrivateKeyRec; + +/* + * RootlessUpdateScreenPixmap + * miCreateScreenResources does not like a null framebuffer pointer, + * it leaves the screen pixmap with an uninitialized data pointer. + * Thus, rootless implementations typically set the framebuffer width + * to zero so that miCreateScreenResources does not allocate a screen + * pixmap for us. We allocate our own screen pixmap here since we need + * the screen pixmap to be valid (e.g. CopyArea from the root window). + */ +void +RootlessUpdateScreenPixmap(ScreenPtr pScreen) +{ + RootlessScreenRec *s = SCREENREC(pScreen); + PixmapPtr pPix; + unsigned int rowbytes; + + pPix = (*pScreen->GetScreenPixmap)(pScreen); + if (pPix == NULL) { + pPix = (*pScreen->CreatePixmap)(pScreen, 0, 0, pScreen->rootDepth, 0); + (*pScreen->SetScreenPixmap)(pPix); + } + + rowbytes = PixmapBytePad(pScreen->width, pScreen->rootDepth); + + if (s->pixmap_data_size < rowbytes) { + free(s->pixmap_data); + + s->pixmap_data_size = rowbytes; + s->pixmap_data = malloc(s->pixmap_data_size); + if (s->pixmap_data == NULL) + return; + + memset(s->pixmap_data, 0xFF, s->pixmap_data_size); + + pScreen->ModifyPixmapHeader(pPix, pScreen->width, pScreen->height, + pScreen->rootDepth, + BitsPerPixel(pScreen->rootDepth), + 0, s->pixmap_data); + /* ModifyPixmapHeader ignores zero arguments, so install rowbytes + by hand. */ + pPix->devKind = 0; + } +} + + +/* + * RootlessCreateScreenResources + * Rootless implementations typically set a null framebuffer pointer, which + * causes problems with miCreateScreenResources. We fix things up here. + */ +static Bool +RootlessCreateScreenResources(ScreenPtr pScreen) +{ + Bool ret = TRUE; + + SCREEN_UNWRAP(pScreen, CreateScreenResources); + + if (pScreen->CreateScreenResources != NULL) + ret = (*pScreen->CreateScreenResources)(pScreen); + + SCREEN_WRAP(pScreen, CreateScreenResources); + + if (!ret) + return ret; + + /* Make sure we have a valid screen pixmap. */ + + RootlessUpdateScreenPixmap(pScreen); + + return ret; +} + + +static Bool +RootlessCloseScreen(int i, ScreenPtr pScreen) +{ + RootlessScreenRec *s; + + s = SCREENREC(pScreen); + + // fixme unwrap everything that was wrapped? + pScreen->CloseScreen = s->CloseScreen; + + if (s->pixmap_data != NULL) { + free(s->pixmap_data); + s->pixmap_data = NULL; + s->pixmap_data_size = 0; + } + + free(s); + return pScreen->CloseScreen(i, pScreen); +} + + +static void +RootlessGetImage(DrawablePtr pDrawable, int sx, int sy, int w, int h, + unsigned int format, unsigned long planeMask, char *pdstLine) +{ + ScreenPtr pScreen = pDrawable->pScreen; + SCREEN_UNWRAP(pScreen, GetImage); + + if (pDrawable->type == DRAWABLE_WINDOW) { + int x0, y0, x1, y1; + RootlessWindowRec *winRec; + + // Many apps use GetImage to sync with the visible frame buffer + // FIXME: entire screen or just window or all screens? + RootlessRedisplayScreen(pScreen); + + // RedisplayScreen stops drawing, so we need to start it again + RootlessStartDrawing((WindowPtr)pDrawable); + + /* Check that we have some place to read from. */ + winRec = WINREC(TopLevelParent((WindowPtr) pDrawable)); + if (winRec == NULL) + goto out; + + /* Clip to top-level window bounds. */ + /* FIXME: fbGetImage uses the width parameter to calculate the + stride of the destination pixmap. If w is clipped, the data + returned will be garbage, although we will not crash. */ + + x0 = pDrawable->x + sx; + y0 = pDrawable->y + sy; + x1 = x0 + w; + y1 = y0 + h; + + x0 = max (x0, winRec->x); + y0 = max (y0, winRec->y); + x1 = min (x1, winRec->x + winRec->width); + y1 = min (y1, winRec->y + winRec->height); + + sx = x0 - pDrawable->x; + sy = y0 - pDrawable->y; + w = x1 - x0; + h = y1 - y0; + + if (w <= 0 || h <= 0) + goto out; + } + + pScreen->GetImage(pDrawable, sx, sy, w, h, format, planeMask, pdstLine); + +out: + SCREEN_WRAP(pScreen, GetImage); +} + + +/* + * RootlessSourceValidate + * CopyArea and CopyPlane use a GC tied to the destination drawable. + * StartDrawing/StopDrawing wrappers won't be called if source is + * a visible window but the destination isn't. So, we call StartDrawing + * here and leave StopDrawing for the block handler. + */ +static void +RootlessSourceValidate(DrawablePtr pDrawable, int x, int y, int w, int h, + unsigned int subWindowMode) +{ + SCREEN_UNWRAP(pDrawable->pScreen, SourceValidate); + if (pDrawable->type == DRAWABLE_WINDOW) { + WindowPtr pWin = (WindowPtr)pDrawable; + RootlessStartDrawing(pWin); + } + if (pDrawable->pScreen->SourceValidate) { + pDrawable->pScreen->SourceValidate(pDrawable, x, y, w, h, subWindowMode); + } + SCREEN_WRAP(pDrawable->pScreen, SourceValidate); +} + +static void +RootlessComposite(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); + WindowPtr srcWin, dstWin, maskWin = NULL; + + if (pMask) { // pMask can be NULL + maskWin = (pMask->pDrawable->type == DRAWABLE_WINDOW) ? + (WindowPtr)pMask->pDrawable : NULL; + } + srcWin = (pSrc->pDrawable && pSrc->pDrawable->type == DRAWABLE_WINDOW) ? + (WindowPtr)pSrc->pDrawable : NULL; + dstWin = (pDst->pDrawable->type == DRAWABLE_WINDOW) ? + (WindowPtr)pDst->pDrawable : NULL; + + // SCREEN_UNWRAP(ps, Composite); + ps->Composite = SCREENREC(pScreen)->Composite; + + if (srcWin && IsFramedWindow(srcWin)) + RootlessStartDrawing(srcWin); + if (maskWin && IsFramedWindow(maskWin)) + RootlessStartDrawing(maskWin); + if (dstWin && IsFramedWindow(dstWin)) + RootlessStartDrawing(dstWin); + + ps->Composite(op, pSrc, pMask, pDst, + xSrc, ySrc, xMask, yMask, + xDst, yDst, width, height); + + if (dstWin && IsFramedWindow(dstWin)) { + RootlessDamageRect(dstWin, xDst, yDst, width, height); + } + + ps->Composite = RootlessComposite; + // SCREEN_WRAP(ps, Composite); +} + + +static void +RootlessGlyphs(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); + int x, y; + int n; + GlyphPtr glyph; + WindowPtr srcWin, dstWin; + + srcWin = (pSrc->pDrawable && pSrc->pDrawable->type == DRAWABLE_WINDOW) ? + (WindowPtr)pSrc->pDrawable : NULL; + dstWin = (pDst->pDrawable->type == DRAWABLE_WINDOW) ? + (WindowPtr)pDst->pDrawable : NULL; + + if (srcWin && IsFramedWindow(srcWin)) RootlessStartDrawing(srcWin); + if (dstWin && IsFramedWindow(dstWin)) RootlessStartDrawing(dstWin); + + //SCREEN_UNWRAP(ps, Glyphs); + ps->Glyphs = SCREENREC(pScreen)->Glyphs; + ps->Glyphs(op, pSrc, pDst, maskFormat, xSrc, ySrc, nlist, list, glyphs); + ps->Glyphs = RootlessGlyphs; + //SCREEN_WRAP(ps, Glyphs); + + if (dstWin && IsFramedWindow(dstWin)) { + x = xSrc; + y = ySrc; + + while (nlist--) { + x += list->xOff; + y += list->yOff; + n = list->len; + + /* Calling DamageRect for the bounding box of each glyph is + inefficient. So compute the union of all glyphs in a list + and damage that. */ + + if (n > 0) { + BoxRec box; + + glyph = *glyphs++; + + box.x1 = x - glyph->info.x; + box.y1 = y - glyph->info.y; + box.x2 = box.x1 + glyph->info.width; + box.y2 = box.y1 + glyph->info.height; + + x += glyph->info.xOff; + y += glyph->info.yOff; + + while (--n > 0) { + short x1, y1, x2, y2; + + glyph = *glyphs++; + + x1 = x - glyph->info.x; + y1 = y - glyph->info.y; + x2 = x1 + glyph->info.width; + y2 = y1 + glyph->info.height; + + box.x1 = max (box.x1, x1); + box.y1 = max (box.y1, y1); + box.x2 = max (box.x2, x2); + box.y2 = max (box.y2, y2); + + x += glyph->info.xOff; + y += glyph->info.yOff; + } + + RootlessDamageBox(dstWin, &box); + } + list++; + } + } +} + + +/* + * RootlessValidateTree + * ValidateTree is modified in two ways: + * - top-level windows don't clip each other + * - windows aren't clipped against root. + * These only matter when validating from the root. + */ +static int +RootlessValidateTree(WindowPtr pParent, WindowPtr pChild, VTKind kind) +{ + int result; + RegionRec saveRoot; + ScreenPtr pScreen = pParent->drawable.pScreen; + + SCREEN_UNWRAP(pScreen, ValidateTree); + RL_DEBUG_MSG("VALIDATETREE start "); + + // Use our custom version to validate from root + if (IsRoot(pParent)) { + RL_DEBUG_MSG("custom "); + result = RootlessMiValidateTree(pParent, pChild, kind); + } else { + HUGE_ROOT(pParent); + result = pScreen->ValidateTree(pParent, pChild, kind); + NORMAL_ROOT(pParent); + } + + SCREEN_WRAP(pScreen, ValidateTree); + RL_DEBUG_MSG("VALIDATETREE end\n"); + + return result; +} + + +/* + * RootlessMarkOverlappedWindows + * MarkOverlappedWindows is modified to ignore overlapping + * top-level windows. + */ +static Bool +RootlessMarkOverlappedWindows(WindowPtr pWin, WindowPtr pFirst, + WindowPtr *ppLayerWin) +{ + RegionRec saveRoot; + Bool result; + ScreenPtr pScreen = pWin->drawable.pScreen; + SCREEN_UNWRAP(pScreen, MarkOverlappedWindows); + RL_DEBUG_MSG("MARKOVERLAPPEDWINDOWS start "); + + HUGE_ROOT(pWin); + if (IsRoot(pWin)) { + // root - mark nothing + RL_DEBUG_MSG("is root not marking "); + result = FALSE; + } + else if (! IsTopLevel(pWin)) { + // not top-level window - mark normally + result = pScreen->MarkOverlappedWindows(pWin, pFirst, ppLayerWin); + } + else { + //top-level window - mark children ONLY - NO overlaps with sibs (?) + // This code copied from miMarkOverlappedWindows() + + register WindowPtr pChild; + Bool anyMarked = FALSE; + MarkWindowProcPtr MarkWindow = pScreen->MarkWindow; + + RL_DEBUG_MSG("is top level! "); + /* single layered systems are easy */ + if (ppLayerWin) *ppLayerWin = pWin; + + if (pWin == pFirst) { + /* Blindly mark pWin and all of its inferiors. This is a slight + * overkill if there are mapped windows that outside pWin's border, + * but it's better than wasting time on RectIn checks. + */ + pChild = pWin; + while (1) { + if (pChild->viewable) { + if (RegionBroken(&pChild->winSize)) + SetWinSize (pChild); + if (RegionBroken(&pChild->borderSize)) + SetBorderSize (pChild); + (* MarkWindow)(pChild); + if (pChild->firstChild) { + pChild = pChild->firstChild; + continue; + } + } + while (!pChild->nextSib && (pChild != pWin)) + pChild = pChild->parent; + if (pChild == pWin) + break; + pChild = pChild->nextSib; + } + anyMarked = TRUE; + } + if (anyMarked) + (* MarkWindow)(pWin->parent); + result = anyMarked; + } + NORMAL_ROOT(pWin); + SCREEN_WRAP(pScreen, MarkOverlappedWindows); + RL_DEBUG_MSG("MARKOVERLAPPEDWINDOWS end\n"); + + return result; +} + +static void expose_1 (WindowPtr pWin) { + WindowPtr pChild; + + if (!pWin->realized) + return; + + miPaintWindow(pWin, &pWin->borderClip, PW_BACKGROUND); + + /* FIXME: comments in windowstr.h indicate that borderClip doesn't + include subwindow visibility. But I'm not so sure.. so we may + be exposing too much.. */ + + miSendExposures (pWin, &pWin->borderClip, + pWin->drawable.x, pWin->drawable.y); + + for (pChild = pWin->firstChild; pChild != NULL; pChild = pChild->nextSib) + expose_1 (pChild); +} + +void +RootlessScreenExpose (ScreenPtr pScreen) +{ + expose_1 (pScreen->root); +} + + +ColormapPtr +RootlessGetColormap (ScreenPtr pScreen) +{ + RootlessScreenRec *s = SCREENREC (pScreen); + + return s->colormap; +} + +static void +RootlessInstallColormap (ColormapPtr pMap) +{ + ScreenPtr pScreen = pMap->pScreen; + RootlessScreenRec *s = SCREENREC (pScreen); + + SCREEN_UNWRAP(pScreen, InstallColormap); + + if (s->colormap != pMap) { + s->colormap = pMap; + s->colormap_changed = TRUE; + RootlessQueueRedisplay (pScreen); + } + + pScreen->InstallColormap (pMap); + + SCREEN_WRAP (pScreen, InstallColormap); +} + +static void +RootlessUninstallColormap (ColormapPtr pMap) +{ + ScreenPtr pScreen = pMap->pScreen; + RootlessScreenRec *s = SCREENREC (pScreen); + + SCREEN_UNWRAP(pScreen, UninstallColormap); + + if (s->colormap == pMap) + s->colormap = NULL; + + pScreen->UninstallColormap (pMap); + + SCREEN_WRAP(pScreen, UninstallColormap); +} + +static void +RootlessStoreColors (ColormapPtr pMap, int ndef, xColorItem *pdef) +{ + ScreenPtr pScreen = pMap->pScreen; + RootlessScreenRec *s = SCREENREC (pScreen); + + SCREEN_UNWRAP(pScreen, StoreColors); + + if (s->colormap == pMap && ndef > 0) { + s->colormap_changed = TRUE; + RootlessQueueRedisplay (pScreen); + } + + pScreen->StoreColors (pMap, ndef, pdef); + + SCREEN_WRAP(pScreen, StoreColors); +} + + +static CARD32 +RootlessRedisplayCallback(OsTimerPtr timer, CARD32 time, void *arg) +{ + RootlessScreenRec *screenRec = arg; + + if (!screenRec->redisplay_queued) { + /* No update needed. Stop the timer. */ + + screenRec->redisplay_timer_set = FALSE; + return 0; + } + + screenRec->redisplay_queued = FALSE; + + /* Mark that we should redisplay before waiting for I/O next time */ + screenRec->redisplay_expired = TRUE; + + /* Reinstall the timer immediately, so we get as close to our + redisplay interval as possible. */ + + return ROOTLESS_REDISPLAY_DELAY; +} + + +/* + * RootlessQueueRedisplay + * Queue a redisplay after a timer delay to ensure we do not redisplay + * too frequently. + */ +void +RootlessQueueRedisplay(ScreenPtr pScreen) +{ + RootlessScreenRec *screenRec = SCREENREC(pScreen); + + screenRec->redisplay_queued = TRUE; + + if (screenRec->redisplay_timer_set) + return; + + screenRec->redisplay_timer = TimerSet(screenRec->redisplay_timer, + 0, ROOTLESS_REDISPLAY_DELAY, + RootlessRedisplayCallback, + screenRec); + screenRec->redisplay_timer_set = TRUE; +} + + +/* + * RootlessBlockHandler + * If the redisplay timer has expired, flush drawing before blocking + * on select(). + */ +static void +RootlessBlockHandler(pointer pbdata, OSTimePtr pTimeout, pointer pReadmask) +{ + ScreenPtr pScreen = pbdata; + RootlessScreenRec *screenRec = SCREENREC(pScreen); + + if (screenRec->redisplay_expired) { + screenRec->redisplay_expired = FALSE; + + RootlessRedisplayScreen(pScreen); + } +} + + +static void +RootlessWakeupHandler(pointer data, int i, pointer LastSelectMask) +{ + // nothing here +} + + +static Bool +RootlessAllocatePrivates(ScreenPtr pScreen) +{ + RootlessScreenRec *s; + + if (!dixRegisterPrivateKey(&rootlessGCPrivateKeyRec, PRIVATE_GC, sizeof(RootlessGCRec))) + return FALSE; + if (!dixRegisterPrivateKey(&rootlessScreenPrivateKeyRec, PRIVATE_SCREEN, 0)) + return FALSE; + if (!dixRegisterPrivateKey(&rootlessWindowPrivateKeyRec, PRIVATE_WINDOW, 0)) + return FALSE; + if (!dixRegisterPrivateKey(&rootlessWindowOldPixmapPrivateKeyRec, PRIVATE_WINDOW, 0)) + return FALSE; + + s = malloc(sizeof(RootlessScreenRec)); + if (! s) return FALSE; + SETSCREENREC(pScreen, s); + + s->pixmap_data = NULL; + s->pixmap_data_size = 0; + + s->redisplay_timer = NULL; + s->redisplay_timer_set = FALSE; + + return TRUE; +} + + +static void +RootlessWrap(ScreenPtr pScreen) +{ + RootlessScreenRec *s = SCREENREC(pScreen); + +#define WRAP(a) \ + if (pScreen->a) { \ + s->a = pScreen->a; \ + } else { \ + RL_DEBUG_MSG("null screen fn " #a "\n"); \ + s->a = NULL; \ + } \ + pScreen->a = Rootless##a + + WRAP(CreateScreenResources); + WRAP(CloseScreen); + WRAP(CreateGC); + WRAP(CopyWindow); + WRAP(GetImage); + WRAP(SourceValidate); + WRAP(CreateWindow); + WRAP(DestroyWindow); + WRAP(RealizeWindow); + WRAP(UnrealizeWindow); + WRAP(MoveWindow); + WRAP(PositionWindow); + WRAP(ResizeWindow); + WRAP(RestackWindow); + WRAP(ReparentWindow); + WRAP(ChangeBorderWidth); + WRAP(MarkOverlappedWindows); + WRAP(ValidateTree); + WRAP(ChangeWindowAttributes); + WRAP(InstallColormap); + WRAP(UninstallColormap); + WRAP(StoreColors); + + WRAP(SetShape); + + { + // Composite and Glyphs don't use normal screen wrapping + PictureScreenPtr ps = GetPictureScreen(pScreen); + s->Composite = ps->Composite; + ps->Composite = RootlessComposite; + s->Glyphs = ps->Glyphs; + ps->Glyphs = RootlessGlyphs; + } + + // WRAP(ClearToBackground); fixme put this back? useful for shaped wins? + +#undef WRAP +} + + +/* + * RootlessInit + * Called by the rootless implementation to initialize the rootless layer. + * Rootless wraps lots of stuff and needs a bunch of devPrivates. + */ +Bool RootlessInit(ScreenPtr pScreen, RootlessFrameProcsPtr procs) +{ + RootlessScreenRec *s; + + if (!RootlessAllocatePrivates(pScreen)) + return FALSE; + + s = SCREENREC(pScreen); + + s->imp = procs; + s->colormap = NULL; + s->redisplay_expired = FALSE; + + RootlessWrap(pScreen); + + if (!RegisterBlockAndWakeupHandlers(RootlessBlockHandler, + RootlessWakeupHandler, + (pointer) pScreen)) + { + return FALSE; + } + + return TRUE; +} + +void RootlessUpdateRooted (Bool state) { + int i; + + if (!state) + { + for (i = 0; i < screenInfo.numScreens; i++) + RootlessDisableRoot (screenInfo.screens[i]); + } + else + { + for (i = 0; i < screenInfo.numScreens; i++) + RootlessEnableRoot (screenInfo.screens[i]); + } +} diff --git a/xorg-server/miext/rootless/rootlessValTree.c b/xorg-server/miext/rootless/rootlessValTree.c index 95bf20bad..9aa881423 100644 --- a/xorg-server/miext/rootless/rootlessValTree.c +++ b/xorg-server/miext/rootless/rootlessValTree.c @@ -1,621 +1,621 @@ -/* - * Calculate window clip lists for rootless mode - * - * This file is very closely based on mivaltree.c. - */ - -/* - * mivaltree.c -- - * Functions for recalculating window clip lists. Main function - * is miValidateTree. - * - -Copyright 1987, 1988, 1989, 1998 The Open Group - -All Rights Reserved. - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN -AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN -CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of The Open Group shall not be -used in advertising or otherwise to promote the sale, use or other dealings -in this Software without prior written authorization from The Open Group. - - * - * Copyright 1987, 1988, 1989 by - * Digital Equipment Corporation, Maynard, Massachusetts, - * - * All Rights Reserved - * - * Permission to use, copy, modify, and distribute this software and its - * documentation for any purpose and without fee is hereby granted, - * 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 Digital not be - * used in advertising or publicity pertaining to distribution of the - * software without specific, written prior permission. - * - * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING - * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL - * DIGITAL 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. - * - ******************************************************************/ - -/* The panoramix components contained the following notice */ -/***************************************************************** - -Copyright (c) 1991, 1997 Digital Equipment Corporation, Maynard, Massachusetts. - -Permission is hereby granted, free of charge, to any person obtaining a copy -of this software and associated documentation files (the "Software"), to deal -in the Software without restriction, including without limitation the rights -to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -copies of the Software. - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL -DIGITAL EQUIPMENT CORPORATION BE LIABLE FOR ANY CLAIM, DAMAGES, INCLUDING, -BUT NOT LIMITED TO CONSEQUENTIAL OR INCIDENTAL DAMAGES, OR OTHER LIABILITY, -WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR -IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of Digital Equipment Corporation -shall not be used in advertising or otherwise to promote the sale, use or other -dealings in this Software without prior written authorization from Digital -Equipment Corporation. - -******************************************************************/ - /* - * Aug '86: Susan Angebranndt -- original code - * July '87: Adam de Boor -- substantially modified and commented - * Summer '89: Joel McCormack -- so fast you wouldn't believe it possible. - * In particular, much improved code for window mapping and - * circulating. - * Bob Scheifler -- avoid miComputeClips for unmapped windows, - * valdata changes - */ -#ifdef HAVE_DIX_CONFIG_H -#include -#endif - -#include /* For NULL */ -#include -#include "scrnintstr.h" -#include "validate.h" -#include "windowstr.h" -#include "mi.h" -#include "regionstr.h" -#include "mivalidate.h" - -#include "globals.h" - -int RootlessMiValidateTree (WindowPtr pRoot, WindowPtr pChild, VTKind kind); - -/* - * Compute the visibility of a shaped window - */ -static int -RootlessShapedWindowIn (RegionPtr universe, - RegionPtr bounding, BoxPtr rect, int x, int y) -{ - BoxRec box; - register BoxPtr boundBox; - int nbox; - Bool someIn, someOut; - register int t, x1, y1, x2, y2; - - nbox = RegionNumRects (bounding); - boundBox = RegionRects (bounding); - someIn = someOut = FALSE; - x1 = rect->x1; - y1 = rect->y1; - x2 = rect->x2; - y2 = rect->y2; - while (nbox--) - { - if ((t = boundBox->x1 + x) < x1) - t = x1; - box.x1 = t; - if ((t = boundBox->y1 + y) < y1) - t = y1; - box.y1 = t; - if ((t = boundBox->x2 + x) > x2) - t = x2; - box.x2 = t; - if ((t = boundBox->y2 + y) > y2) - t = y2; - box.y2 = t; - if (box.x1 > box.x2) - box.x2 = box.x1; - if (box.y1 > box.y2) - box.y2 = box.y1; - switch (RegionContainsRect(universe, &box)) - { - case rgnIN: - if (someOut) - return rgnPART; - someIn = TRUE; - break; - case rgnOUT: - if (someIn) - return rgnPART; - someOut = TRUE; - break; - default: - return rgnPART; - } - boundBox++; - } - if (someIn) - return rgnIN; - return rgnOUT; -} - -#define HasParentRelativeBorder(w) (!(w)->borderIsPixel && \ - HasBorder(w) && \ - (w)->backgroundState == ParentRelative) - - -/* - *----------------------------------------------------------------------- - * RootlessComputeClips -- - * Recompute the clipList, borderClip, exposed and borderExposed - * regions for pParent and its children. Only viewable windows are - * taken into account. - * - * Results: - * None. - * - * Side Effects: - * clipList, borderClip, exposed and borderExposed are altered. - * A VisibilityNotify event may be generated on the parent window. - * - *----------------------------------------------------------------------- - */ -static void -RootlessComputeClips (WindowPtr pParent, ScreenPtr pScreen, - RegionPtr universe, VTKind kind, RegionPtr exposed) -{ - int dx, - dy; - RegionRec childUniverse; - register WindowPtr pChild; - int oldVis, newVis; - BoxRec borderSize; - RegionRec childUnion; - Bool overlap; - RegionPtr borderVisible; - /* - * Figure out the new visibility of this window. - * The extent of the universe should be the same as the extent of - * the borderSize region. If the window is unobscured, this rectangle - * will be completely inside the universe (the universe will cover it - * completely). If the window is completely obscured, none of the - * universe will cover the rectangle. - */ - borderSize.x1 = pParent->drawable.x - wBorderWidth(pParent); - borderSize.y1 = pParent->drawable.y - wBorderWidth(pParent); - dx = (int) pParent->drawable.x + (int) pParent->drawable.width + wBorderWidth(pParent); - if (dx > 32767) - dx = 32767; - borderSize.x2 = dx; - dy = (int) pParent->drawable.y + (int) pParent->drawable.height + wBorderWidth(pParent); - if (dy > 32767) - dy = 32767; - borderSize.y2 = dy; - - oldVis = pParent->visibility; - switch (RegionContainsRect(universe, &borderSize)) - { - case rgnIN: - newVis = VisibilityUnobscured; - break; - case rgnPART: - newVis = VisibilityPartiallyObscured; - { - RegionPtr pBounding; - - if ((pBounding = wBoundingShape (pParent))) - { - switch (RootlessShapedWindowIn (universe, - pBounding, &borderSize, - pParent->drawable.x, - pParent->drawable.y)) - { - case rgnIN: - newVis = VisibilityUnobscured; - break; - case rgnOUT: - newVis = VisibilityFullyObscured; - break; - } - } - } - break; - default: - newVis = VisibilityFullyObscured; - break; - } - - pParent->visibility = newVis; - if (oldVis != newVis && - ((pParent->eventMask | wOtherEventMasks(pParent)) & VisibilityChangeMask)) - SendVisibilityNotify(pParent); - - dx = pParent->drawable.x - pParent->valdata->before.oldAbsCorner.x; - dy = pParent->drawable.y - pParent->valdata->before.oldAbsCorner.y; - - /* - * avoid computations when dealing with simple operations - */ - - switch (kind) { - case VTMap: - case VTStack: - case VTUnmap: - break; - case VTMove: - if ((oldVis == newVis) && - ((oldVis == VisibilityFullyObscured) || - (oldVis == VisibilityUnobscured))) - { - pChild = pParent; - while (1) - { - if (pChild->viewable) - { - if (pChild->visibility != VisibilityFullyObscured) - { - RegionTranslate(&pChild->borderClip, - dx, dy); - RegionTranslate(&pChild->clipList, - dx, dy); - pChild->drawable.serialNumber = NEXT_SERIAL_NUMBER; - if (pScreen->ClipNotify) - (* pScreen->ClipNotify) (pChild, dx, dy); - - } - if (pChild->valdata) - { - RegionNull(&pChild->valdata->after.borderExposed); - if (HasParentRelativeBorder(pChild)) - { - RegionSubtract(&pChild->valdata->after.borderExposed, - &pChild->borderClip, - &pChild->winSize); - } - RegionNull(&pChild->valdata->after.exposed); - } - if (pChild->firstChild) - { - pChild = pChild->firstChild; - continue; - } - } - while (!pChild->nextSib && (pChild != pParent)) - pChild = pChild->parent; - if (pChild == pParent) - break; - pChild = pChild->nextSib; - } - return; - } - /* fall through */ - default: - /* - * To calculate exposures correctly, we have to translate the old - * borderClip and clipList regions to the window's new location so there - * is a correspondence between pieces of the new and old clipping regions. - */ - if (dx || dy) - { - /* - * We translate the old clipList because that will be exposed or copied - * if gravity is right. - */ - RegionTranslate(&pParent->borderClip, dx, dy); - RegionTranslate(&pParent->clipList, dx, dy); - } - break; - case VTBroken: - RegionEmpty(&pParent->borderClip); - RegionEmpty(&pParent->clipList); - break; - } - - borderVisible = pParent->valdata->before.borderVisible; - RegionNull(&pParent->valdata->after.borderExposed); - RegionNull(&pParent->valdata->after.exposed); - - /* - * Since the borderClip must not be clipped by the children, we do - * the border exposure first... - * - * 'universe' is the window's borderClip. To figure the exposures, remove - * the area that used to be exposed from the new. - * This leaves a region of pieces that weren't exposed before. - */ - - if (HasBorder (pParent)) - { - if (borderVisible) - { - /* - * when the border changes shape, the old visible portions - * of the border will be saved by DIX in borderVisible -- - * use that region and destroy it - */ - RegionSubtract(exposed, universe, borderVisible); - RegionDestroy(borderVisible); - } - else - { - RegionSubtract(exposed, universe, &pParent->borderClip); - } - if (HasParentRelativeBorder(pParent) && (dx || dy)) { - RegionSubtract(&pParent->valdata->after.borderExposed, - universe, - &pParent->winSize); - } else { - RegionSubtract(&pParent->valdata->after.borderExposed, - exposed, &pParent->winSize); - } - - RegionCopy(&pParent->borderClip, universe); - - /* - * To get the right clipList for the parent, and to make doubly sure - * that no child overlaps the parent's border, we remove the parent's - * border from the universe before proceeding. - */ - - RegionIntersect(universe, universe, &pParent->winSize); - } - else - RegionCopy(&pParent->borderClip, universe); - - if ((pChild = pParent->firstChild) && pParent->mapped) - { - RegionNull(&childUniverse); - RegionNull(&childUnion); - if ((pChild->drawable.y < pParent->lastChild->drawable.y) || - ((pChild->drawable.y == pParent->lastChild->drawable.y) && - (pChild->drawable.x < pParent->lastChild->drawable.x))) - { - for (; pChild; pChild = pChild->nextSib) - { - if (pChild->viewable) - RegionAppend(&childUnion, &pChild->borderSize); - } - } - else - { - for (pChild = pParent->lastChild; pChild; pChild = pChild->prevSib) - { - if (pChild->viewable) - RegionAppend(&childUnion, &pChild->borderSize); - } - } - RegionValidate(&childUnion, &overlap); - - for (pChild = pParent->firstChild; - pChild; - pChild = pChild->nextSib) - { - if (pChild->viewable) { - /* - * If the child is viewable, we want to remove its extents - * from the current universe, but we only re-clip it if - * it's been marked. - */ - if (pChild->valdata) { - /* - * Figure out the new universe from the child's - * perspective and recurse. - */ - RegionIntersect(&childUniverse, - universe, - &pChild->borderSize); - RootlessComputeClips (pChild, pScreen, &childUniverse, - kind, exposed); - } - /* - * Once the child has been processed, we remove its extents - * from the current universe, thus denying its space to any - * other sibling. - */ - if (overlap) - RegionSubtract(universe, universe, - &pChild->borderSize); - } - } - if (!overlap) - RegionSubtract(universe, universe, &childUnion); - RegionUninit(&childUnion); - RegionUninit(&childUniverse); - } /* if any children */ - - /* - * 'universe' now contains the new clipList for the parent window. - * - * To figure the exposure of the window we subtract the old clip from the - * new, just as for the border. - */ - - if (oldVis == VisibilityFullyObscured || - oldVis == VisibilityNotViewable) - { - RegionCopy(&pParent->valdata->after.exposed, universe); - } - else if (newVis != VisibilityFullyObscured && - newVis != VisibilityNotViewable) - { - RegionSubtract(&pParent->valdata->after.exposed, - universe, &pParent->clipList); - } - - /* HACK ALERT - copying contents of regions, instead of regions */ - { - RegionRec tmp; - - tmp = pParent->clipList; - pParent->clipList = *universe; - *universe = tmp; - } - -#ifdef NOTDEF - RegionCopy(&pParent->clipList, universe); -#endif - - pParent->drawable.serialNumber = NEXT_SERIAL_NUMBER; - - if (pScreen->ClipNotify) - (* pScreen->ClipNotify) (pParent, dx, dy); -} - -static void -RootlessTreeObscured(WindowPtr pParent) -{ - register WindowPtr pChild; - register int oldVis; - - pChild = pParent; - while (1) - { - if (pChild->viewable) - { - oldVis = pChild->visibility; - if (oldVis != (pChild->visibility = VisibilityFullyObscured) && - ((pChild->eventMask | wOtherEventMasks(pChild)) & VisibilityChangeMask)) - SendVisibilityNotify(pChild); - if (pChild->firstChild) - { - pChild = pChild->firstChild; - continue; - } - } - while (!pChild->nextSib && (pChild != pParent)) - pChild = pChild->parent; - if (pChild == pParent) - break; - pChild = pChild->nextSib; - } -} - -/* - *----------------------------------------------------------------------- - * RootlessMiValidateTree -- - * Recomputes the clip list for pParent and all its inferiors. - * - * Results: - * Always returns 1. - * - * Side Effects: - * The clipList, borderClip, exposed, and borderExposed regions for - * each marked window are altered. - * - * Notes: - * This routine assumes that all affected windows have been marked - * (valdata created) and their winSize and borderSize regions - * adjusted to correspond to their new positions. The borderClip and - * clipList regions should not have been touched. - * - * The top-most level is treated differently from all lower levels - * because pParent is unchanged. For the top level, we merge the - * regions taken up by the marked children back into the clipList - * for pParent, thus forming a region from which the marked children - * can claim their areas. For lower levels, where the old clipList - * and borderClip are invalid, we can't do this and have to do the - * extra operations done in miComputeClips, but this is much faster - * e.g. when only one child has moved... - * - *----------------------------------------------------------------------- - */ -/* - Quartz version: used for validate from root in rootless mode. - We need to make sure top-level windows don't clip each other, - and that top-level windows aren't clipped to the root window. -*/ -/*ARGSUSED*/ -// fixme this is ugly -// Xprint/ValTree.c doesn't work, but maybe that method can? -int -RootlessMiValidateTree (WindowPtr pRoot, /* Parent to validate */ - WindowPtr pChild, /* First child of pRoot that was - * affected */ - VTKind kind /* What kind of configuration caused call */) -{ - RegionRec childClip; /* The new borderClip for the current - * child */ - RegionRec exposed; /* For intermediate calculations */ - register ScreenPtr pScreen; - register WindowPtr pWin; - - pScreen = pRoot->drawable.pScreen; - if (pChild == NullWindow) - pChild = pRoot->firstChild; - - RegionNull(&childClip); - RegionNull(&exposed); - - if (RegionBroken(&pRoot->clipList) && - !RegionBroken(&pRoot->borderClip)) - { - // fixme this might not work, but hopefully doesn't happen anyway. - kind = VTBroken; - RegionEmpty(&pRoot->clipList); - ErrorF("ValidateTree: BUSTED!\n"); - } - - /* - * Recursively compute the clips for all children of the root. - * They don't clip against each other or the root itself, so - * childClip is always reset to that child's size. - */ - - for (pWin = pChild; - pWin != NullWindow; - pWin = pWin->nextSib) - { - if (pWin->viewable) { - if (pWin->valdata) { - RegionCopy(&childClip, &pWin->borderSize); - RootlessComputeClips (pWin, pScreen, &childClip, kind, &exposed); - } else if (pWin->visibility == VisibilityNotViewable) { - RootlessTreeObscured(pWin); - } - } else { - if (pWin->valdata) { - RegionEmpty(&pWin->clipList); - if (pScreen->ClipNotify) - (* pScreen->ClipNotify) (pWin, 0, 0); - RegionEmpty(&pWin->borderClip); - pWin->valdata = NULL; - } - } - } - - RegionUninit(&childClip); - - /* The root is never clipped by its children, so nothing on the root - is ever exposed by moving or mapping its children. */ - RegionNull(&pRoot->valdata->after.exposed); - RegionNull(&pRoot->valdata->after.borderExposed); - - return 1; -} +/* + * Calculate window clip lists for rootless mode + * + * This file is very closely based on mivaltree.c. + */ + +/* + * mivaltree.c -- + * Functions for recalculating window clip lists. Main function + * is miValidateTree. + * + +Copyright 1987, 1988, 1989, 1998 The Open Group + +All Rights Reserved. + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN +AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +Except as contained in this notice, the name of The Open Group shall not be +used in advertising or otherwise to promote the sale, use or other dealings +in this Software without prior written authorization from The Open Group. + + * + * Copyright 1987, 1988, 1989 by + * Digital Equipment Corporation, Maynard, Massachusetts, + * + * All Rights Reserved + * + * Permission to use, copy, modify, and distribute this software and its + * documentation for any purpose and without fee is hereby granted, + * 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 Digital not be + * used in advertising or publicity pertaining to distribution of the + * software without specific, written prior permission. + * + * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING + * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL + * DIGITAL 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. + * + ******************************************************************/ + +/* The panoramix components contained the following notice */ +/***************************************************************** + +Copyright (c) 1991, 1997 Digital Equipment Corporation, Maynard, Massachusetts. + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software. + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL +DIGITAL EQUIPMENT CORPORATION BE LIABLE FOR ANY CLAIM, DAMAGES, INCLUDING, +BUT NOT LIMITED TO CONSEQUENTIAL OR INCIDENTAL DAMAGES, OR OTHER LIABILITY, +WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR +IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +Except as contained in this notice, the name of Digital Equipment Corporation +shall not be used in advertising or otherwise to promote the sale, use or other +dealings in this Software without prior written authorization from Digital +Equipment Corporation. + +******************************************************************/ + /* + * Aug '86: Susan Angebranndt -- original code + * July '87: Adam de Boor -- substantially modified and commented + * Summer '89: Joel McCormack -- so fast you wouldn't believe it possible. + * In particular, much improved code for window mapping and + * circulating. + * Bob Scheifler -- avoid miComputeClips for unmapped windows, + * valdata changes + */ +#ifdef HAVE_DIX_CONFIG_H +#include +#endif + +#include /* For NULL */ +#include +#include "scrnintstr.h" +#include "validate.h" +#include "windowstr.h" +#include "mi.h" +#include "regionstr.h" +#include "mivalidate.h" + +#include "globals.h" + +int RootlessMiValidateTree (WindowPtr pRoot, WindowPtr pChild, VTKind kind); + +/* + * Compute the visibility of a shaped window + */ +static int +RootlessShapedWindowIn (RegionPtr universe, + RegionPtr bounding, BoxPtr rect, int x, int y) +{ + BoxRec box; + register BoxPtr boundBox; + int nbox; + Bool someIn, someOut; + register int t, x1, y1, x2, y2; + + nbox = RegionNumRects (bounding); + boundBox = RegionRects (bounding); + someIn = someOut = FALSE; + x1 = rect->x1; + y1 = rect->y1; + x2 = rect->x2; + y2 = rect->y2; + while (nbox--) + { + if ((t = boundBox->x1 + x) < x1) + t = x1; + box.x1 = t; + if ((t = boundBox->y1 + y) < y1) + t = y1; + box.y1 = t; + if ((t = boundBox->x2 + x) > x2) + t = x2; + box.x2 = t; + if ((t = boundBox->y2 + y) > y2) + t = y2; + box.y2 = t; + if (box.x1 > box.x2) + box.x2 = box.x1; + if (box.y1 > box.y2) + box.y2 = box.y1; + switch (RegionContainsRect(universe, &box)) + { + case rgnIN: + if (someOut) + return rgnPART; + someIn = TRUE; + break; + case rgnOUT: + if (someIn) + return rgnPART; + someOut = TRUE; + break; + default: + return rgnPART; + } + boundBox++; + } + if (someIn) + return rgnIN; + return rgnOUT; +} + +#define HasParentRelativeBorder(w) (!(w)->borderIsPixel && \ + HasBorder(w) && \ + (w)->backgroundState == ParentRelative) + + +/* + *----------------------------------------------------------------------- + * RootlessComputeClips -- + * Recompute the clipList, borderClip, exposed and borderExposed + * regions for pParent and its children. Only viewable windows are + * taken into account. + * + * Results: + * None. + * + * Side Effects: + * clipList, borderClip, exposed and borderExposed are altered. + * A VisibilityNotify event may be generated on the parent window. + * + *----------------------------------------------------------------------- + */ +static void +RootlessComputeClips (WindowPtr pParent, ScreenPtr pScreen, + RegionPtr universe, VTKind kind, RegionPtr exposed) +{ + int dx, + dy; + RegionRec childUniverse; + register WindowPtr pChild; + int oldVis, newVis; + BoxRec borderSize; + RegionRec childUnion; + Bool overlap; + RegionPtr borderVisible; + /* + * Figure out the new visibility of this window. + * The extent of the universe should be the same as the extent of + * the borderSize region. If the window is unobscured, this rectangle + * will be completely inside the universe (the universe will cover it + * completely). If the window is completely obscured, none of the + * universe will cover the rectangle. + */ + borderSize.x1 = pParent->drawable.x - wBorderWidth(pParent); + borderSize.y1 = pParent->drawable.y - wBorderWidth(pParent); + dx = (int) pParent->drawable.x + (int) pParent->drawable.width + wBorderWidth(pParent); + if (dx > 32767) + dx = 32767; + borderSize.x2 = dx; + dy = (int) pParent->drawable.y + (int) pParent->drawable.height + wBorderWidth(pParent); + if (dy > 32767) + dy = 32767; + borderSize.y2 = dy; + + oldVis = pParent->visibility; + switch (RegionContainsRect(universe, &borderSize)) + { + case rgnIN: + newVis = VisibilityUnobscured; + break; + case rgnPART: + newVis = VisibilityPartiallyObscured; + { + RegionPtr pBounding; + + if ((pBounding = wBoundingShape (pParent))) + { + switch (RootlessShapedWindowIn (universe, + pBounding, &borderSize, + pParent->drawable.x, + pParent->drawable.y)) + { + case rgnIN: + newVis = VisibilityUnobscured; + break; + case rgnOUT: + newVis = VisibilityFullyObscured; + break; + } + } + } + break; + default: + newVis = VisibilityFullyObscured; + break; + } + + pParent->visibility = newVis; + if (oldVis != newVis && + ((pParent->eventMask | wOtherEventMasks(pParent)) & VisibilityChangeMask)) + SendVisibilityNotify(pParent); + + dx = pParent->drawable.x - pParent->valdata->before.oldAbsCorner.x; + dy = pParent->drawable.y - pParent->valdata->before.oldAbsCorner.y; + + /* + * avoid computations when dealing with simple operations + */ + + switch (kind) { + case VTMap: + case VTStack: + case VTUnmap: + break; + case VTMove: + if ((oldVis == newVis) && + ((oldVis == VisibilityFullyObscured) || + (oldVis == VisibilityUnobscured))) + { + pChild = pParent; + while (1) + { + if (pChild->viewable) + { + if (pChild->visibility != VisibilityFullyObscured) + { + RegionTranslate(&pChild->borderClip, + dx, dy); + RegionTranslate(&pChild->clipList, + dx, dy); + pChild->drawable.serialNumber = NEXT_SERIAL_NUMBER; + if (pScreen->ClipNotify) + (* pScreen->ClipNotify) (pChild, dx, dy); + + } + if (pChild->valdata) + { + RegionNull(&pChild->valdata->after.borderExposed); + if (HasParentRelativeBorder(pChild)) + { + RegionSubtract(&pChild->valdata->after.borderExposed, + &pChild->borderClip, + &pChild->winSize); + } + RegionNull(&pChild->valdata->after.exposed); + } + if (pChild->firstChild) + { + pChild = pChild->firstChild; + continue; + } + } + while (!pChild->nextSib && (pChild != pParent)) + pChild = pChild->parent; + if (pChild == pParent) + break; + pChild = pChild->nextSib; + } + return; + } + /* fall through */ + default: + /* + * To calculate exposures correctly, we have to translate the old + * borderClip and clipList regions to the window's new location so there + * is a correspondence between pieces of the new and old clipping regions. + */ + if (dx || dy) + { + /* + * We translate the old clipList because that will be exposed or copied + * if gravity is right. + */ + RegionTranslate(&pParent->borderClip, dx, dy); + RegionTranslate(&pParent->clipList, dx, dy); + } + break; + case VTBroken: + RegionEmpty(&pParent->borderClip); + RegionEmpty(&pParent->clipList); + break; + } + + borderVisible = pParent->valdata->before.borderVisible; + RegionNull(&pParent->valdata->after.borderExposed); + RegionNull(&pParent->valdata->after.exposed); + + /* + * Since the borderClip must not be clipped by the children, we do + * the border exposure first... + * + * 'universe' is the window's borderClip. To figure the exposures, remove + * the area that used to be exposed from the new. + * This leaves a region of pieces that weren't exposed before. + */ + + if (HasBorder (pParent)) + { + if (borderVisible) + { + /* + * when the border changes shape, the old visible portions + * of the border will be saved by DIX in borderVisible -- + * use that region and destroy it + */ + RegionSubtract(exposed, universe, borderVisible); + RegionDestroy(borderVisible); + } + else + { + RegionSubtract(exposed, universe, &pParent->borderClip); + } + if (HasParentRelativeBorder(pParent) && (dx || dy)) { + RegionSubtract(&pParent->valdata->after.borderExposed, + universe, + &pParent->winSize); + } else { + RegionSubtract(&pParent->valdata->after.borderExposed, + exposed, &pParent->winSize); + } + + RegionCopy(&pParent->borderClip, universe); + + /* + * To get the right clipList for the parent, and to make doubly sure + * that no child overlaps the parent's border, we remove the parent's + * border from the universe before proceeding. + */ + + RegionIntersect(universe, universe, &pParent->winSize); + } + else + RegionCopy(&pParent->borderClip, universe); + + if ((pChild = pParent->firstChild) && pParent->mapped) + { + RegionNull(&childUniverse); + RegionNull(&childUnion); + if ((pChild->drawable.y < pParent->lastChild->drawable.y) || + ((pChild->drawable.y == pParent->lastChild->drawable.y) && + (pChild->drawable.x < pParent->lastChild->drawable.x))) + { + for (; pChild; pChild = pChild->nextSib) + { + if (pChild->viewable) + RegionAppend(&childUnion, &pChild->borderSize); + } + } + else + { + for (pChild = pParent->lastChild; pChild; pChild = pChild->prevSib) + { + if (pChild->viewable) + RegionAppend(&childUnion, &pChild->borderSize); + } + } + RegionValidate(&childUnion, &overlap); + + for (pChild = pParent->firstChild; + pChild; + pChild = pChild->nextSib) + { + if (pChild->viewable) { + /* + * If the child is viewable, we want to remove its extents + * from the current universe, but we only re-clip it if + * it's been marked. + */ + if (pChild->valdata) { + /* + * Figure out the new universe from the child's + * perspective and recurse. + */ + RegionIntersect(&childUniverse, + universe, + &pChild->borderSize); + RootlessComputeClips (pChild, pScreen, &childUniverse, + kind, exposed); + } + /* + * Once the child has been processed, we remove its extents + * from the current universe, thus denying its space to any + * other sibling. + */ + if (overlap) + RegionSubtract(universe, universe, + &pChild->borderSize); + } + } + if (!overlap) + RegionSubtract(universe, universe, &childUnion); + RegionUninit(&childUnion); + RegionUninit(&childUniverse); + } /* if any children */ + + /* + * 'universe' now contains the new clipList for the parent window. + * + * To figure the exposure of the window we subtract the old clip from the + * new, just as for the border. + */ + + if (oldVis == VisibilityFullyObscured || + oldVis == VisibilityNotViewable) + { + RegionCopy(&pParent->valdata->after.exposed, universe); + } + else if (newVis != VisibilityFullyObscured && + newVis != VisibilityNotViewable) + { + RegionSubtract(&pParent->valdata->after.exposed, + universe, &pParent->clipList); + } + + /* HACK ALERT - copying contents of regions, instead of regions */ + { + RegionRec tmp; + + tmp = pParent->clipList; + pParent->clipList = *universe; + *universe = tmp; + } + +#ifdef NOTDEF + RegionCopy(&pParent->clipList, universe); +#endif + + pParent->drawable.serialNumber = NEXT_SERIAL_NUMBER; + + if (pScreen->ClipNotify) + (* pScreen->ClipNotify) (pParent, dx, dy); +} + +static void +RootlessTreeObscured(WindowPtr pParent) +{ + register WindowPtr pChild; + register int oldVis; + + pChild = pParent; + while (1) + { + if (pChild->viewable) + { + oldVis = pChild->visibility; + if (oldVis != (pChild->visibility = VisibilityFullyObscured) && + ((pChild->eventMask | wOtherEventMasks(pChild)) & VisibilityChangeMask)) + SendVisibilityNotify(pChild); + if (pChild->firstChild) + { + pChild = pChild->firstChild; + continue; + } + } + while (!pChild->nextSib && (pChild != pParent)) + pChild = pChild->parent; + if (pChild == pParent) + break; + pChild = pChild->nextSib; + } +} + +/* + *----------------------------------------------------------------------- + * RootlessMiValidateTree -- + * Recomputes the clip list for pParent and all its inferiors. + * + * Results: + * Always returns 1. + * + * Side Effects: + * The clipList, borderClip, exposed, and borderExposed regions for + * each marked window are altered. + * + * Notes: + * This routine assumes that all affected windows have been marked + * (valdata created) and their winSize and borderSize regions + * adjusted to correspond to their new positions. The borderClip and + * clipList regions should not have been touched. + * + * The top-most level is treated differently from all lower levels + * because pParent is unchanged. For the top level, we merge the + * regions taken up by the marked children back into the clipList + * for pParent, thus forming a region from which the marked children + * can claim their areas. For lower levels, where the old clipList + * and borderClip are invalid, we can't do this and have to do the + * extra operations done in miComputeClips, but this is much faster + * e.g. when only one child has moved... + * + *----------------------------------------------------------------------- + */ +/* + Quartz version: used for validate from root in rootless mode. + We need to make sure top-level windows don't clip each other, + and that top-level windows aren't clipped to the root window. +*/ +/*ARGSUSED*/ +// fixme this is ugly +// Xprint/ValTree.c doesn't work, but maybe that method can? +int +RootlessMiValidateTree (WindowPtr pRoot, /* Parent to validate */ + WindowPtr pChild, /* First child of pRoot that was + * affected */ + VTKind kind /* What kind of configuration caused call */) +{ + RegionRec childClip; /* The new borderClip for the current + * child */ + RegionRec exposed; /* For intermediate calculations */ + register ScreenPtr pScreen; + register WindowPtr pWin; + + pScreen = pRoot->drawable.pScreen; + if (pChild == NullWindow) + pChild = pRoot->firstChild; + + RegionNull(&childClip); + RegionNull(&exposed); + + if (RegionBroken(&pRoot->clipList) && + !RegionBroken(&pRoot->borderClip)) + { + // fixme this might not work, but hopefully doesn't happen anyway. + kind = VTBroken; + RegionEmpty(&pRoot->clipList); + ErrorF("ValidateTree: BUSTED!\n"); + } + + /* + * Recursively compute the clips for all children of the root. + * They don't clip against each other or the root itself, so + * childClip is always reset to that child's size. + */ + + for (pWin = pChild; + pWin != NullWindow; + pWin = pWin->nextSib) + { + if (pWin->viewable) { + if (pWin->valdata) { + RegionCopy(&childClip, &pWin->borderSize); + RootlessComputeClips (pWin, pScreen, &childClip, kind, &exposed); + } else if (pWin->visibility == VisibilityNotViewable) { + RootlessTreeObscured(pWin); + } + } else { + if (pWin->valdata) { + RegionEmpty(&pWin->clipList); + if (pScreen->ClipNotify) + (* pScreen->ClipNotify) (pWin, 0, 0); + RegionEmpty(&pWin->borderClip); + pWin->valdata = NULL; + } + } + } + + RegionUninit(&childClip); + + /* The root is never clipped by its children, so nothing on the root + is ever exposed by moving or mapping its children. */ + RegionNull(&pRoot->valdata->after.exposed); + RegionNull(&pRoot->valdata->after.borderExposed); + + return 1; +} -- cgit v1.2.3