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-rw-r--r--xorg-server/miext/damage/damage.c4256
-rw-r--r--xorg-server/miext/damage/damage.h264
-rw-r--r--xorg-server/miext/rootless/rootlessScreen.c1508
-rw-r--r--xorg-server/miext/rootless/rootlessValTree.c1242
4 files changed, 3635 insertions, 3635 deletions
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 <dix-config.h>
-#endif
-
-#include <stdlib.h>
-
-#include <X11/X.h>
-#include "scrnintstr.h"
-#include "windowstr.h"
-#include <X11/fonts/font.h>
-#include "dixfontstr.h"
-#include <X11/fonts/fontstruct.h>
-#include "mi.h"
-#include "regionstr.h"
-#include "globals.h"
-#include "gcstruct.h"
-#include "damage.h"
-#include "damagestr.h"
-#ifdef COMPOSITE
-#include "cw.h"
-#endif
-
-#define wrap(priv, real, mem, func) {\
- priv->mem = real->mem; \
- real->mem = func; \
-}
-
-#define unwrap(priv, real, mem) {\
- real->mem = priv->mem; \
-}
-
-#define BOX_SAME(a,b) \
- ((a)->x1 == (b)->x1 && \
- (a)->y1 == (b)->y1 && \
- (a)->x2 == (b)->x2 && \
- (a)->y2 == (b)->y2)
-
-#define DAMAGE_VALIDATE_ENABLE 0
-#define DAMAGE_DEBUG_ENABLE 0
-#if DAMAGE_DEBUG_ENABLE
-#define DAMAGE_DEBUG(x) ErrorF x
-#else
-#define DAMAGE_DEBUG(x)
-#endif
-
-#define getPixmapDamageRef(pPixmap) ((DamagePtr *) \
- dixLookupPrivateAddr(&(pPixmap)->devPrivates, damagePixPrivateKey))
-
-#define pixmapDamage(pPixmap) damagePixPriv(pPixmap)
-
-static DevPrivateKeyRec damageScrPrivateKeyRec;
-#define damageScrPrivateKey (&damageScrPrivateKeyRec)
-static DevPrivateKeyRec damagePixPrivateKeyRec;
-#define damagePixPrivateKey (&damagePixPrivateKeyRec)
-static DevPrivateKeyRec damageGCPrivateKeyRec;
-#define damageGCPrivateKey (&damageGCPrivateKeyRec)
-static DevPrivateKeyRec damageWinPrivateKeyRec;
-#define damageWinPrivateKey (&damageWinPrivateKeyRec)
-
-static DamagePtr *
-getDrawableDamageRef (DrawablePtr pDrawable)
-{
- PixmapPtr pPixmap;
-
- if (WindowDrawable(pDrawable->type))
- {
- ScreenPtr pScreen = pDrawable->pScreen;
-
- pPixmap = 0;
- if (pScreen->GetWindowPixmap
-#ifdef ROOTLESS_WORKAROUND
- && ((WindowPtr)pDrawable)->viewable
-#endif
- )
- pPixmap = (*pScreen->GetWindowPixmap) ((WindowPtr)pDrawable);
-
- if (!pPixmap)
- {
- damageScrPriv(pScreen);
-
- return &pScrPriv->pScreenDamage;
- }
- }
- else
- pPixmap = (PixmapPtr) pDrawable;
- return getPixmapDamageRef (pPixmap);
-}
-
-#define getDrawableDamage(pDrawable) (*getDrawableDamageRef (pDrawable))
-#define getWindowDamage(pWin) getDrawableDamage(&(pWin)->drawable)
-
-#define drawableDamage(pDrawable) \
- DamagePtr pDamage = getDrawableDamage(pDrawable)
-
-#define windowDamage(pWin) drawableDamage(&(pWin)->drawable)
-
-#define winDamageRef(pWindow) \
- DamagePtr *pPrev = (DamagePtr *) \
- dixLookupPrivateAddr(&(pWindow)->devPrivates, damageWinPrivateKey)
-
-static void
-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(&region, pBox, 1);
-#if DAMAGE_DEBUG_ENABLE
- _damageRegionAppend (pDrawable, &region, TRUE, subWindowMode, where);
-#else
- damageRegionAppend (pDrawable, &region, TRUE, subWindowMode);
-#endif
- RegionUninit(&region);
-}
-
-static void damageValidateGC(GCPtr, unsigned long, DrawablePtr);
-static void damageChangeGC(GCPtr, unsigned long);
-static void damageCopyGC(GCPtr, unsigned long, GCPtr);
-static void damageDestroyGC(GCPtr);
-static void damageChangeClip(GCPtr, int, 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 <dix-config.h>
+#endif
+
+#include <stdlib.h>
+
+#include <X11/X.h>
+#include "scrnintstr.h"
+#include "windowstr.h"
+#include <X11/fonts/font.h>
+#include "dixfontstr.h"
+#include <X11/fonts/fontstruct.h>
+#include "mi.h"
+#include "regionstr.h"
+#include "globals.h"
+#include "gcstruct.h"
+#include "damage.h"
+#include "damagestr.h"
+#ifdef COMPOSITE
+#include "cw.h"
+#endif
+
+#define wrap(priv, real, mem, func) {\
+ priv->mem = real->mem; \
+ real->mem = func; \
+}
+
+#define unwrap(priv, real, mem) {\
+ real->mem = priv->mem; \
+}
+
+#define BOX_SAME(a,b) \
+ ((a)->x1 == (b)->x1 && \
+ (a)->y1 == (b)->y1 && \
+ (a)->x2 == (b)->x2 && \
+ (a)->y2 == (b)->y2)
+
+#define DAMAGE_VALIDATE_ENABLE 0
+#define DAMAGE_DEBUG_ENABLE 0
+#if DAMAGE_DEBUG_ENABLE
+#define DAMAGE_DEBUG(x) ErrorF x
+#else
+#define DAMAGE_DEBUG(x)
+#endif
+
+#define getPixmapDamageRef(pPixmap) ((DamagePtr *) \
+ dixLookupPrivateAddr(&(pPixmap)->devPrivates, damagePixPrivateKey))
+
+#define pixmapDamage(pPixmap) damagePixPriv(pPixmap)
+
+static DevPrivateKeyRec damageScrPrivateKeyRec;
+#define damageScrPrivateKey (&damageScrPrivateKeyRec)
+static DevPrivateKeyRec damagePixPrivateKeyRec;
+#define damagePixPrivateKey (&damagePixPrivateKeyRec)
+static DevPrivateKeyRec damageGCPrivateKeyRec;
+#define damageGCPrivateKey (&damageGCPrivateKeyRec)
+static DevPrivateKeyRec damageWinPrivateKeyRec;
+#define damageWinPrivateKey (&damageWinPrivateKeyRec)
+
+static DamagePtr *
+getDrawableDamageRef (DrawablePtr pDrawable)
+{
+ PixmapPtr pPixmap;
+
+ if (WindowDrawable(pDrawable->type))
+ {
+ ScreenPtr pScreen = pDrawable->pScreen;
+
+ pPixmap = 0;
+ if (pScreen->GetWindowPixmap
+#ifdef ROOTLESS_WORKAROUND
+ && ((WindowPtr)pDrawable)->viewable
+#endif
+ )
+ pPixmap = (*pScreen->GetWindowPixmap) ((WindowPtr)pDrawable);
+
+ if (!pPixmap)
+ {
+ damageScrPriv(pScreen);
+
+ return &pScrPriv->pScreenDamage;
+ }
+ }
+ else
+ pPixmap = (PixmapPtr) pDrawable;
+ return getPixmapDamageRef (pPixmap);
+}
+
+#define getDrawableDamage(pDrawable) (*getDrawableDamageRef (pDrawable))
+#define getWindowDamage(pWin) getDrawableDamage(&(pWin)->drawable)
+
+#define drawableDamage(pDrawable) \
+ DamagePtr pDamage = getDrawableDamage(pDrawable)
+
+#define windowDamage(pWin) drawableDamage(&(pWin)->drawable)
+
+#define winDamageRef(pWindow) \
+ DamagePtr *pPrev = (DamagePtr *) \
+ dixLookupPrivateAddr(&(pWindow)->devPrivates, damageWinPrivateKey)
+
+static void
+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(&region, pBox, 1);
+#if DAMAGE_DEBUG_ENABLE
+ _damageRegionAppend (pDrawable, &region, TRUE, subWindowMode, where);
+#else
+ damageRegionAppend (pDrawable, &region, TRUE, subWindowMode);
+#endif
+ RegionUninit(&region);
+}
+
+static void damageValidateGC(GCPtr, unsigned long, DrawablePtr);
+static void damageChangeGC(GCPtr, unsigned long);
+static void damageCopyGC(GCPtr, unsigned long, GCPtr);
+static void damageDestroyGC(GCPtr);
+static void damageChangeClip(GCPtr, int, 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 <dix-config.h>
-#endif
-
-#ifndef _DAMAGE_H_
-#define _DAMAGE_H_
-
-typedef struct _damage *DamagePtr;
-
-typedef enum _damageReportLevel {
- DamageReportRawRegion,
- DamageReportDeltaRegion,
- DamageReportBoundingBox,
- DamageReportNonEmpty,
- DamageReportNone
-} DamageReportLevel;
-
-typedef void (*DamageReportFunc) (DamagePtr pDamage, RegionPtr pRegion, void *closure);
-typedef void (*DamageDestroyFunc) (DamagePtr pDamage, void *closure);
-/* It's the responsibility of the driver to duplicate both regions. */
-/* At some point DamageRegionRendered() must be called. */
-typedef void (*DamageMarkerFunc) (DrawablePtr pDrawable, DamagePtr pDamage, RegionPtr pOldDamage, RegionPtr pRegion, void *closure);
-
-typedef void (*DamageScreenCreateFunc) (DamagePtr);
-typedef void (*DamageScreenRegisterFunc) (DrawablePtr, DamagePtr);
-typedef void (*DamageScreenUnregisterFunc) (DrawablePtr, DamagePtr);
-typedef void (*DamageScreenDestroyFunc) (DamagePtr);
-
-typedef struct _damageScreenFuncs {
- DamageScreenCreateFunc Create;
- DamageScreenRegisterFunc Register;
- DamageScreenUnregisterFunc Unregister;
- DamageScreenDestroyFunc Destroy;
-} DamageScreenFuncsRec, *DamageScreenFuncsPtr;
-
-extern _X_EXPORT void miDamageCreate (DamagePtr);
-extern _X_EXPORT void miDamageRegister (DrawablePtr, DamagePtr);
-extern _X_EXPORT void miDamageUnregister (DrawablePtr, DamagePtr);
-extern _X_EXPORT void miDamageDestroy (DamagePtr);
-
-extern _X_EXPORT Bool
-DamageSetup (ScreenPtr pScreen);
-
-extern _X_EXPORT DamagePtr
-DamageCreate (DamageReportFunc damageReport,
- DamageDestroyFunc damageDestroy,
- DamageReportLevel damageLevel,
- Bool isInternal,
- ScreenPtr pScreen,
- void * closure);
-
-extern _X_EXPORT void
-DamageDrawInternal (ScreenPtr pScreen, Bool enable);
-
-extern _X_EXPORT void
-DamageRegister (DrawablePtr pDrawable,
- DamagePtr pDamage);
-
-extern _X_EXPORT void
-DamageUnregister (DrawablePtr pDrawable,
- DamagePtr pDamage);
-
-extern _X_EXPORT void
-DamageDestroy (DamagePtr pDamage);
-
-extern _X_EXPORT Bool
-DamageSubtract (DamagePtr pDamage,
- const RegionPtr pRegion);
-
-extern _X_EXPORT void
-DamageEmpty (DamagePtr pDamage);
-
-extern _X_EXPORT RegionPtr
-DamageRegion (DamagePtr pDamage);
-
-extern _X_EXPORT RegionPtr
-DamagePendingRegion (DamagePtr pDamage);
-
-/* In case of rendering, call this before the submitting the commands. */
-extern _X_EXPORT void
-DamageRegionAppend (DrawablePtr pDrawable, RegionPtr pRegion);
-
-/* Call this directly after the rendering operation has been submitted. */
-extern _X_EXPORT void
-DamageRegionProcessPending (DrawablePtr pDrawable);
-
-/* Call this some time after rendering is done, only relevant when a damageMarker is provided. */
-extern _X_EXPORT void
-DamageRegionRendered (DrawablePtr pDrawable, DamagePtr pDamage, RegionPtr pOldDamage, RegionPtr pRegion);
-
-/* 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 <dix-config.h>
+#endif
+
+#ifndef _DAMAGE_H_
+#define _DAMAGE_H_
+
+typedef struct _damage *DamagePtr;
+
+typedef enum _damageReportLevel {
+ DamageReportRawRegion,
+ DamageReportDeltaRegion,
+ DamageReportBoundingBox,
+ DamageReportNonEmpty,
+ DamageReportNone
+} DamageReportLevel;
+
+typedef void (*DamageReportFunc) (DamagePtr pDamage, RegionPtr pRegion, void *closure);
+typedef void (*DamageDestroyFunc) (DamagePtr pDamage, void *closure);
+/* It's the responsibility of the driver to duplicate both regions. */
+/* At some point DamageRegionRendered() must be called. */
+typedef void (*DamageMarkerFunc) (DrawablePtr pDrawable, DamagePtr pDamage, RegionPtr pOldDamage, RegionPtr pRegion, void *closure);
+
+typedef void (*DamageScreenCreateFunc) (DamagePtr);
+typedef void (*DamageScreenRegisterFunc) (DrawablePtr, DamagePtr);
+typedef void (*DamageScreenUnregisterFunc) (DrawablePtr, DamagePtr);
+typedef void (*DamageScreenDestroyFunc) (DamagePtr);
+
+typedef struct _damageScreenFuncs {
+ DamageScreenCreateFunc Create;
+ DamageScreenRegisterFunc Register;
+ DamageScreenUnregisterFunc Unregister;
+ DamageScreenDestroyFunc Destroy;
+} DamageScreenFuncsRec, *DamageScreenFuncsPtr;
+
+extern _X_EXPORT void miDamageCreate (DamagePtr);
+extern _X_EXPORT void miDamageRegister (DrawablePtr, DamagePtr);
+extern _X_EXPORT void miDamageUnregister (DrawablePtr, DamagePtr);
+extern _X_EXPORT void miDamageDestroy (DamagePtr);
+
+extern _X_EXPORT Bool
+DamageSetup (ScreenPtr pScreen);
+
+extern _X_EXPORT DamagePtr
+DamageCreate (DamageReportFunc damageReport,
+ DamageDestroyFunc damageDestroy,
+ DamageReportLevel damageLevel,
+ Bool isInternal,
+ ScreenPtr pScreen,
+ void * closure);
+
+extern _X_EXPORT void
+DamageDrawInternal (ScreenPtr pScreen, Bool enable);
+
+extern _X_EXPORT void
+DamageRegister (DrawablePtr pDrawable,
+ DamagePtr pDamage);
+
+extern _X_EXPORT void
+DamageUnregister (DrawablePtr pDrawable,
+ DamagePtr pDamage);
+
+extern _X_EXPORT void
+DamageDestroy (DamagePtr pDamage);
+
+extern _X_EXPORT Bool
+DamageSubtract (DamagePtr pDamage,
+ const RegionPtr pRegion);
+
+extern _X_EXPORT void
+DamageEmpty (DamagePtr pDamage);
+
+extern _X_EXPORT RegionPtr
+DamageRegion (DamagePtr pDamage);
+
+extern _X_EXPORT RegionPtr
+DamagePendingRegion (DamagePtr pDamage);
+
+/* In case of rendering, call this before the submitting the commands. */
+extern _X_EXPORT void
+DamageRegionAppend (DrawablePtr pDrawable, RegionPtr pRegion);
+
+/* Call this directly after the rendering operation has been submitted. */
+extern _X_EXPORT void
+DamageRegionProcessPending (DrawablePtr pDrawable);
+
+/* Call this some time after rendering is done, only relevant when a damageMarker is provided. */
+extern _X_EXPORT void
+DamageRegionRendered (DrawablePtr pDrawable, DamagePtr pDamage, RegionPtr pOldDamage, RegionPtr pRegion);
+
+/* 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 <dix-config.h>
-#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 <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <string.h>
-
-#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 <dix-config.h>
+#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 <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <string.h>
+
+#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 <dix-config.h>
-#endif
-
-#include <stddef.h> /* For NULL */
-#include <X11/X.h>
-#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 <dix-config.h>
+#endif
+
+#include <stddef.h> /* For NULL */
+#include <X11/X.h>
+#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;
+}