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-rw-r--r--xorg-server/miext/damage/damage.c4332
1 files changed, 2166 insertions, 2166 deletions
diff --git a/xorg-server/miext/damage/damage.c b/xorg-server/miext/damage/damage.c
index 2c6b14610..d1be437c2 100644
--- a/xorg-server/miext/damage/damage.c
+++ b/xorg-server/miext/damage/damage.c
@@ -1,2166 +1,2166 @@
-/*
- * 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 int damageScrPrivateKeyIndex;
-static DevPrivateKey damageScrPrivateKey = &damageScrPrivateKeyIndex;
-static int damagePixPrivateKeyIndex;
-static DevPrivateKey damagePixPrivateKey = &damagePixPrivateKeyIndex;
-static int damageGCPrivateKeyIndex;
-static DevPrivateKey damageGCPrivateKey = &damageGCPrivateKeyIndex;
-static int damageWinPrivateKeyIndex;
-static DevPrivateKey damageWinPrivateKey = &damageWinPrivateKeyIndex;
-
-static DamagePtr *
-getDrawableDamageRef (DrawablePtr pDrawable)
-{
- PixmapPtr pPixmap;
-
- if (pDrawable->type == DRAWABLE_WINDOW)
- {
- ScreenPtr pScreen = pDrawable->pScreen;
-
- pPixmap = 0;
- if (pScreen->GetWindowPixmap
-#ifdef ROOTLESS_WORKAROUND
- && ((WindowPtr)pDrawable)->viewable
-#endif
- )
- pPixmap = (*pScreen->GetWindowPixmap) ((WindowPtr)pDrawable);
-
- if (!pPixmap)
- {
- damageScrPriv(pScreen);
-
- return &pScrPriv->pScreenDamage;
- }
- }
- else
- pPixmap = (PixmapPtr) pDrawable;
- return getPixmapDamageRef (pPixmap);
-}
-
-#define getDrawableDamage(pDrawable) (*getDrawableDamageRef (pDrawable))
-#define getWindowDamage(pWin) getDrawableDamage(&(pWin)->drawable)
-
-#define drawableDamage(pDrawable) \
- DamagePtr pDamage = getDrawableDamage(pDrawable)
-
-#define windowDamage(pWin) drawableDamage(&(pWin)->drawable)
-
-#define winDamageRef(pWindow) \
- DamagePtr *pPrev = (DamagePtr *) \
- dixLookupPrivateAddr(&(pWindow)->devPrivates, damageWinPrivateKey)
-
-static void
-damageReportDamage (DamagePtr pDamage, RegionPtr pDamageRegion)
-{
- BoxRec tmpBox;
- RegionRec tmpRegion;
- Bool was_empty;
-
- switch (pDamage->damageLevel) {
- case DamageReportRawRegion:
- REGION_UNION(pScreen, &pDamage->damage, &pDamage->damage,
- pDamageRegion);
- (*pDamage->damageReport) (pDamage, pDamageRegion, pDamage->closure);
- break;
- case DamageReportDeltaRegion:
- REGION_NULL (pScreen, &tmpRegion);
- REGION_SUBTRACT (pScreen, &tmpRegion, pDamageRegion, &pDamage->damage);
- if (REGION_NOTEMPTY (pScreen, &tmpRegion)) {
- REGION_UNION(pScreen, &pDamage->damage, &pDamage->damage,
- pDamageRegion);
- (*pDamage->damageReport) (pDamage, &tmpRegion, pDamage->closure);
- }
- REGION_UNINIT(pScreen, &tmpRegion);
- break;
- case DamageReportBoundingBox:
- tmpBox = *REGION_EXTENTS (pScreen, &pDamage->damage);
- REGION_UNION(pScreen, &pDamage->damage, &pDamage->damage,
- pDamageRegion);
- if (!BOX_SAME (&tmpBox, REGION_EXTENTS (pScreen, &pDamage->damage))) {
- (*pDamage->damageReport) (pDamage, &pDamage->damage,
- pDamage->closure);
- }
- break;
- case DamageReportNonEmpty:
- was_empty = !REGION_NOTEMPTY(pScreen, &pDamage->damage);
- REGION_UNION(pScreen, &pDamage->damage, &pDamage->damage,
- pDamageRegion);
- if (was_empty && REGION_NOTEMPTY(pScreen, &pDamage->damage)) {
- (*pDamage->damageReport) (pDamage, &pDamage->damage,
- pDamage->closure);
- }
- break;
- case DamageReportNone:
- REGION_UNION(pScreen, &pDamage->damage, &pDamage->damage,
- pDamageRegion);
- break;
- }
-}
-
-static void
-damageReportDamagePostRendering (DamagePtr pDamage, RegionPtr pOldDamage, RegionPtr pDamageRegion)
-{
- BoxRec tmpBox;
- RegionRec tmpRegion, newDamage;
- Bool was_empty;
-
- REGION_UNION(pScreem, &newDamage, pOldDamage, pDamageRegion);
-
- switch (pDamage->damageLevel) {
- case DamageReportRawRegion:
- (*pDamage->damageReportPostRendering) (pDamage, pDamageRegion, pDamage->closure);
- break;
- case DamageReportDeltaRegion:
- REGION_NULL (pScreen, &tmpRegion);
- REGION_SUBTRACT (pScreen, &tmpRegion, pDamageRegion, pOldDamage);
- if (REGION_NOTEMPTY (pScreen, &tmpRegion)) {
- (*pDamage->damageReportPostRendering) (pDamage, &tmpRegion, pDamage->closure);
- }
- REGION_UNINIT(pScreen, &tmpRegion);
- break;
- case DamageReportBoundingBox:
- tmpBox = *REGION_EXTENTS (pScreen, pOldDamage);
- if (!BOX_SAME (&tmpBox, REGION_EXTENTS (pScreen, &newDamage))) {
- (*pDamage->damageReportPostRendering) (pDamage, &newDamage,
- pDamage->closure);
- }
- break;
- case DamageReportNonEmpty:
- was_empty = !REGION_NOTEMPTY(pScreen, pOldDamage);
- if (was_empty && REGION_NOTEMPTY(pScreen, &newDamage)) {
- (*pDamage->damageReportPostRendering) (pDamage, &newDamage,
- pDamage->closure);
- }
- break;
- case DamageReportNone:
- break;
- }
-
- REGION_UNINIT(pScreen, &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 (!REGION_NOTEMPTY(pScreen, 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)
- REGION_TRANSLATE (pScreen, pRegion, screen_x, screen_y);
-#endif
-
- if (pDrawable->type == DRAWABLE_WINDOW &&
- ((WindowPtr)(pDrawable))->backingStore == NotUseful)
- {
- if (subWindowMode == ClipByChildren)
- {
- REGION_INTERSECT(pScreen, pRegion, pRegion,
- &((WindowPtr)(pDrawable))->clipList);
- }
- else if (subWindowMode == IncludeInferiors)
- {
- RegionPtr pTempRegion =
- NotClippedByChildren((WindowPtr)(pDrawable));
- REGION_INTERSECT(pScreen, pRegion, pRegion, pTempRegion);
- REGION_DESTROY(pScreen, pTempRegion);
- }
- /* If subWindowMode is set to an invalid value, don't perform
- * any drawable-based clipping. */
- }
-
-
- REGION_NULL (pScreen, &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 (pDamage->pDrawable->type != DRAWABLE_WINDOW)
- {
- draw_x += ((PixmapPtr) pDamage->pDrawable)->screen_x;
- draw_y += ((PixmapPtr) pDamage->pDrawable)->screen_y;
- }
-#endif
-
- /*
- * Clip against border or pixmap bounds
- */
-
- pDamageRegion = pRegion;
- if (clip || pDamage->pDrawable != pDrawable)
- {
- pDamageRegion = &clippedRec;
- if (pDamage->pDrawable->type == DRAWABLE_WINDOW) {
- REGION_INTERSECT (pScreen, 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;
- REGION_INIT(pScreen, &pixClip, &box, 1);
- REGION_INTERSECT (pScreen, pDamageRegion, pRegion, &pixClip);
- REGION_UNINIT(pScreen, &pixClip);
- }
- /*
- * Short circuit empty results
- */
- if (!REGION_NOTEMPTY(pScreen, 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)
- REGION_TRANSLATE (pScreen, pDamageRegion, -draw_x, -draw_y);
-
- /* Store damage region if needed after submission. */
- if (pDamage->reportAfter || pDamage->damageMarker)
- REGION_UNION(pScreen, &pDamage->pendingDamage,
- &pDamage->pendingDamage, pDamageRegion);
-
- /* Duplicate current damage if needed. */
- if (pDamage->damageMarker)
- REGION_COPY(pScreen, &pDamage->backupDamage, &pDamage->damage);
-
- /* Report damage now, if desired. */
- if (!pDamage->reportAfter) {
- if (pDamage->damageReport)
- damageReportDamage (pDamage, pDamageRegion);
- else
- REGION_UNION(pScreen, &pDamage->damage,
- &pDamage->damage, pDamageRegion);
- }
-
- /*
- * translate original region back
- */
- if (pDamageRegion == pRegion && (draw_x || draw_y))
- REGION_TRANSLATE (pScreen, pDamageRegion, draw_x, draw_y);
- }
-#ifdef COMPOSITE
- if (screen_x || screen_y)
- REGION_TRANSLATE (pScreen, pRegion, -screen_x, -screen_y);
-#endif
-
- REGION_UNINIT (pScreen, &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
- REGION_UNION(pScreen, &pDamage->damage, &pDamage->damage,
- &pDamage->pendingDamage);
- }
-
- if (pDamage->reportAfter || pDamage->damageMarker)
- REGION_EMPTY (pScreen, &pDamage->pendingDamage);
- if (pDamage->damageMarker)
- REGION_EMPTY (pScreen, &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;
-
- REGION_INIT (pDrawable->pScreen, &region, pBox, 1);
-#if DAMAGE_DEBUG_ENABLE
- _damageRegionAppend (pDrawable, &region, TRUE, subWindowMode, where);
-#else
- damageRegionAppend (pDrawable, &region, TRUE, subWindowMode);
-#endif
- REGION_UNINIT (pDrawable->pScreen, &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;
-
- pGC->pCompositeClip = 0;
- unwrap (pScrPriv, pScreen, CreateGC);
- if((ret = (*pScreen->CreateGC) (pGC))) {
- pGCPriv->ops = NULL;
- pGCPriv->funcs = pGC->funcs;
- pGC->funcs = &damageGCFuncs;
- }
- wrap (pScrPriv, pScreen, CreateGC, damageCreateGC);
-
- return ret;
-}
-
-#ifdef NOTUSED
-static void
-damageWrapGC (GCPtr pGC)
-{
- damageGCPriv(pGC);
-
- pGCPriv->ops = NULL;
- pGCPriv->funcs = pGC->funcs;
- pGC->funcs = &damageGCFuncs;
-}
-
-static void
-damageUnwrapGC (GCPtr pGC)
-{
- damageGCPriv(pGC);
-
- pGC->funcs = pGCPriv->funcs;
- if (pGCPriv->ops)
- pGC->ops = pGCPriv->ops;
-}
-#endif
-
-#define DAMAGE_GC_OP_PROLOGUE(pGC, pDrawable) \
- damageGCPriv(pGC); \
- GCFuncs *oldFuncs = pGC->funcs; \
- unwrap(pGCPriv, pGC, funcs); \
- unwrap(pGCPriv, pGC, ops); \
-
-#define DAMAGE_GC_OP_EPILOGUE(pGC, pDrawable) \
- wrap(pGCPriv, pGC, funcs, oldFuncs); \
- wrap(pGCPriv, pGC, ops, &damageGCOps)
-
-#define DAMAGE_GC_FUNC_PROLOGUE(pGC) \
- damageGCPriv(pGC); \
- unwrap(pGCPriv, pGC, funcs); \
- if (pGCPriv->ops) unwrap(pGCPriv, pGC, ops)
-
-#define DAMAGE_GC_FUNC_EPILOGUE(pGC) \
- wrap(pGCPriv, pGC, funcs, &damageGCFuncs); \
- if (pGCPriv->ops) wrap(pGCPriv, pGC, ops, &damageGCOps)
-
-static void
-damageValidateGC(GCPtr pGC,
- unsigned long changes,
- DrawablePtr pDrawable)
-{
- DAMAGE_GC_FUNC_PROLOGUE (pGC);
- (*pGC->funcs->ValidateGC)(pGC, changes, pDrawable);
- pGCPriv->ops = pGC->ops; /* just so it's not NULL */
- DAMAGE_GC_FUNC_EPILOGUE (pGC);
-}
-
-static void
-damageDestroyGC(GCPtr pGC)
-{
- DAMAGE_GC_FUNC_PROLOGUE (pGC);
- (*pGC->funcs->DestroyGC)(pGC);
- DAMAGE_GC_FUNC_EPILOGUE (pGC);
-}
-
-static void
-damageChangeGC (GCPtr pGC,
- unsigned long mask)
-{
- DAMAGE_GC_FUNC_PROLOGUE (pGC);
- (*pGC->funcs->ChangeGC) (pGC, mask);
- DAMAGE_GC_FUNC_EPILOGUE (pGC);
-}
-
-static void
-damageCopyGC (GCPtr pGCSrc,
- unsigned long mask,
- GCPtr pGCDst)
-{
- DAMAGE_GC_FUNC_PROLOGUE (pGCDst);
- (*pGCDst->funcs->CopyGC) (pGCSrc, mask, pGCDst);
- DAMAGE_GC_FUNC_EPILOGUE (pGCDst);
-}
-
-static void
-damageChangeClip (GCPtr pGC,
- int type,
- 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 ||\
- REGION_NOTEMPTY(d->pScreen, \
- 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) && \
- REGION_NOTEMPTY(pScreen, 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);
-
- /* The driver will only call SourceValidate() when pSrc != pDst,
- * but the software sprite (misprite.c) always need to know when a
- * drawable is copied so it can remove the sprite. See #1030. */
- if ((pSrc == pDst) && pSrc->pScreen->SourceValidate &&
- pSrc->type == DRAWABLE_WINDOW &&
- ((WindowPtr)pSrc)->viewable)
- {
- (*pSrc->pScreen->SourceValidate) (pSrc, srcx, srcy, width, height);
- }
-
- if (checkGCDamage (pDst, pGC))
- {
- BoxRec box;
-
- box.x1 = dstx + pDst->x;
- box.x2 = box.x1 + width;
- box.y1 = dsty + pDst->y;
- box.y2 = box.y1 + height;
-
- TRIM_BOX(box, pGC);
- if(BOX_NOT_EMPTY(box))
- damageDamageBox (pDst, &box, pGC->subWindowMode);
- }
-
- ret = (*pGC->ops->CopyArea)(pSrc, pDst,
- pGC, srcx, srcy, width, height, dstx, dsty);
- 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);
-
- /* The driver will only call SourceValidate() when pSrc != pDst,
- * but the software sprite (misprite.c) always need to know when a
- * drawable is copied so it can remove the sprite. See #1030. */
- if ((pSrc == pDst) && pSrc->pScreen->SourceValidate &&
- pSrc->type == DRAWABLE_WINDOW &&
- ((WindowPtr)pSrc)->viewable)
- {
- (*pSrc->pScreen->SourceValidate) (pSrc, srcx, srcy, width, height);
- }
-
- if (checkGCDamage (pDst, pGC))
- {
- BoxRec box;
-
- box.x1 = dstx + pDst->x;
- box.x2 = box.x1 + width;
- box.y1 = dsty + pDst->y;
- box.y2 = box.y1 + height;
-
- TRIM_BOX(box, pGC);
- if(BOX_NOT_EMPTY(box))
- damageDamageBox (pDst, &box, pGC->subWindowMode);
- }
-
- ret = (*pGC->ops->CopyPlane)(pSrc, pDst,
- pGC, srcx, srcy, width, height, dstx, dsty, bitPlane);
- damageRegionProcessPending (pDst);
- DAMAGE_GC_OP_EPILOGUE(pGC, pDst);
- return ret;
-}
-
-static void
-damagePolyPoint(DrawablePtr pDrawable,
- GCPtr pGC,
- int mode,
- int npt,
- xPoint *ppt)
-{
- DAMAGE_GC_OP_PROLOGUE(pGC, pDrawable);
-
- if (npt && checkGCDamage (pDrawable, pGC))
- {
- BoxRec box;
- int nptTmp = npt;
- xPoint *pptTmp = ppt;
-
- box.x2 = box.x1 = pptTmp->x;
- box.y2 = box.y1 = pptTmp->y;
-
- /* this could be slow if the points were spread out */
-
- while(--nptTmp)
- {
- pptTmp++;
- if(box.x1 > pptTmp->x) box.x1 = pptTmp->x;
- else if(box.x2 < pptTmp->x) box.x2 = pptTmp->x;
- if(box.y1 > pptTmp->y) box.y1 = pptTmp->y;
- else if(box.y2 < pptTmp->y) box.y2 = pptTmp->y;
- }
-
- box.x2++;
- box.y2++;
-
- TRIM_AND_TRANSLATE_BOX(box, pDrawable, pGC);
- if(BOX_NOT_EMPTY(box))
- damageDamageBox (pDrawable, &box, pGC->subWindowMode);
- }
- (*pGC->ops->PolyPoint)(pDrawable, pGC, mode, npt, ppt);
- damageRegionProcessPending (pDrawable);
- DAMAGE_GC_OP_EPILOGUE(pGC, pDrawable);
-}
-
-static void
-damagePolylines(DrawablePtr pDrawable,
- GCPtr pGC,
- int mode,
- int npt,
- DDXPointPtr ppt)
-{
- DAMAGE_GC_OP_PROLOGUE(pGC, pDrawable);
-
- if (npt && checkGCDamage (pDrawable, pGC))
- {
- int nptTmp = npt;
- DDXPointPtr pptTmp = ppt;
- BoxRec box;
- int extra = pGC->lineWidth >> 1;
-
- box.x2 = box.x1 = pptTmp->x;
- box.y2 = box.y1 = pptTmp->y;
-
- if(nptTmp > 1)
- {
- if(pGC->joinStyle == JoinMiter)
- extra = 6 * pGC->lineWidth;
- else if(pGC->capStyle == CapProjecting)
- extra = pGC->lineWidth;
- }
-
- if(mode == CoordModePrevious)
- {
- int x = box.x1;
- int y = box.y1;
- while(--nptTmp)
- {
- pptTmp++;
- x += pptTmp->x;
- y += pptTmp->y;
- if(box.x1 > x) box.x1 = x;
- else if(box.x2 < x) box.x2 = x;
- if(box.y1 > y) box.y1 = y;
- else if(box.y2 < y) box.y2 = y;
- }
- }
- else
- {
- while(--nptTmp)
- {
- pptTmp++;
- if(box.x1 > pptTmp->x) box.x1 = pptTmp->x;
- else if(box.x2 < pptTmp->x) box.x2 = pptTmp->x;
- if(box.y1 > pptTmp->y) box.y1 = pptTmp->y;
- else if(box.y2 < pptTmp->y) box.y2 = pptTmp->y;
- }
- }
-
- box.x2++;
- box.y2++;
-
- if(extra)
- {
- box.x1 -= extra;
- box.x2 += extra;
- box.y1 -= extra;
- box.y2 += extra;
- }
-
- TRIM_AND_TRANSLATE_BOX(box, pDrawable, pGC);
- if(BOX_NOT_EMPTY(box))
- damageDamageBox (pDrawable, &box, pGC->subWindowMode);
- }
- (*pGC->ops->Polylines)(pDrawable, pGC, mode, npt, ppt);
- damageRegionProcessPending (pDrawable);
- DAMAGE_GC_OP_EPILOGUE(pGC, pDrawable);
-}
-
-static void
-damagePolySegment(DrawablePtr pDrawable,
- GCPtr pGC,
- int nSeg,
- xSegment *pSeg)
-{
- DAMAGE_GC_OP_PROLOGUE(pGC, pDrawable);
-
- if (nSeg && checkGCDamage (pDrawable, pGC))
- {
- BoxRec box;
- int extra = pGC->lineWidth;
- int nsegTmp = nSeg;
- xSegment *pSegTmp = pSeg;
-
- if(pGC->capStyle != CapProjecting)
- extra >>= 1;
-
- if(pSegTmp->x2 > pSegTmp->x1) {
- box.x1 = pSegTmp->x1;
- box.x2 = pSegTmp->x2;
- } else {
- box.x2 = pSegTmp->x1;
- box.x1 = pSegTmp->x2;
- }
-
- if(pSegTmp->y2 > pSegTmp->y1) {
- box.y1 = pSegTmp->y1;
- box.y2 = pSegTmp->y2;
- } else {
- box.y2 = pSegTmp->y1;
- box.y1 = pSegTmp->y2;
- }
-
- while(--nsegTmp)
- {
- pSegTmp++;
- if(pSegTmp->x2 > pSegTmp->x1)
- {
- if(pSegTmp->x1 < box.x1) box.x1 = pSegTmp->x1;
- if(pSegTmp->x2 > box.x2) box.x2 = pSegTmp->x2;
- }
- else
- {
- if(pSegTmp->x2 < box.x1) box.x1 = pSegTmp->x2;
- if(pSegTmp->x1 > box.x2) box.x2 = pSegTmp->x1;
- }
- if(pSegTmp->y2 > pSegTmp->y1)
- {
- if(pSegTmp->y1 < box.y1) box.y1 = pSegTmp->y1;
- if(pSegTmp->y2 > box.y2) box.y2 = pSegTmp->y2;
- }
- else
- {
- if(pSegTmp->y2 < box.y1) box.y1 = pSegTmp->y2;
- if(pSegTmp->y1 > box.y2) box.y2 = pSegTmp->y1;
- }
- }
-
- box.x2++;
- box.y2++;
-
- if(extra)
- {
- box.x1 -= extra;
- box.x2 += extra;
- box.y1 -= extra;
- box.y2 += extra;
- }
-
- TRIM_AND_TRANSLATE_BOX(box, pDrawable, pGC);
- if(BOX_NOT_EMPTY(box))
- damageDamageBox (pDrawable, &box, pGC->subWindowMode);
- }
- (*pGC->ops->PolySegment)(pDrawable, pGC, nSeg, pSeg);
- damageRegionProcessPending (pDrawable);
- DAMAGE_GC_OP_EPILOGUE(pGC, pDrawable);
-}
-
-static void
-damagePolyRectangle(DrawablePtr pDrawable,
- GCPtr pGC,
- int nRects,
- xRectangle *pRects)
-{
- DAMAGE_GC_OP_PROLOGUE(pGC, pDrawable);
-
- if (nRects && checkGCDamage (pDrawable, pGC))
- {
- BoxRec box;
- int offset1, offset2, offset3;
- int nRectsTmp = nRects;
- xRectangle *pRectsTmp = pRects;
-
- offset2 = pGC->lineWidth;
- if(!offset2) offset2 = 1;
- offset1 = offset2 >> 1;
- offset3 = offset2 - offset1;
-
- while(nRectsTmp--)
- {
- box.x1 = pRectsTmp->x - offset1;
- box.y1 = pRectsTmp->y - offset1;
- box.x2 = box.x1 + pRectsTmp->width + offset2;
- box.y2 = box.y1 + offset2;
- TRIM_AND_TRANSLATE_BOX(box, pDrawable, pGC);
- if(BOX_NOT_EMPTY(box))
- damageDamageBox (pDrawable, &box, pGC->subWindowMode);
-
- box.x1 = pRectsTmp->x - offset1;
- box.y1 = pRectsTmp->y + offset3;
- box.x2 = box.x1 + offset2;
- box.y2 = box.y1 + pRectsTmp->height - offset2;
- TRIM_AND_TRANSLATE_BOX(box, pDrawable, pGC);
- if(BOX_NOT_EMPTY(box))
- damageDamageBox (pDrawable, &box, pGC->subWindowMode);
-
- box.x1 = pRectsTmp->x + pRectsTmp->width - offset1;
- box.y1 = pRectsTmp->y + offset3;
- box.x2 = box.x1 + offset2;
- box.y2 = box.y1 + pRectsTmp->height - offset2;
- TRIM_AND_TRANSLATE_BOX(box, pDrawable, pGC);
- if(BOX_NOT_EMPTY(box))
- damageDamageBox (pDrawable, &box, pGC->subWindowMode);
-
- box.x1 = pRectsTmp->x - offset1;
- box.y1 = pRectsTmp->y + pRectsTmp->height - offset1;
- box.x2 = box.x1 + pRectsTmp->width + offset2;
- box.y2 = box.y1 + offset2;
- TRIM_AND_TRANSLATE_BOX(box, pDrawable, pGC);
- if(BOX_NOT_EMPTY(box))
- damageDamageBox (pDrawable, &box, pGC->subWindowMode);
-
- pRectsTmp++;
- }
- }
- (*pGC->ops->PolyRectangle)(pDrawable, pGC, nRects, pRects);
- damageRegionProcessPending (pDrawable);
- DAMAGE_GC_OP_EPILOGUE(pGC, pDrawable);
-}
-
-static void
-damagePolyArc(DrawablePtr pDrawable,
- GCPtr pGC,
- int nArcs,
- xArc *pArcs)
-{
- DAMAGE_GC_OP_PROLOGUE(pGC, pDrawable);
-
- if (nArcs && checkGCDamage (pDrawable, pGC))
- {
- int extra = pGC->lineWidth >> 1;
- BoxRec box;
- int nArcsTmp = nArcs;
- xArc *pArcsTmp = pArcs;
-
- box.x1 = pArcsTmp->x;
- box.x2 = box.x1 + pArcsTmp->width;
- box.y1 = pArcsTmp->y;
- box.y2 = box.y1 + pArcsTmp->height;
-
- while(--nArcsTmp)
- {
- pArcsTmp++;
- if(box.x1 > pArcsTmp->x)
- box.x1 = pArcsTmp->x;
- if(box.x2 < (pArcsTmp->x + pArcsTmp->width))
- box.x2 = pArcsTmp->x + pArcsTmp->width;
- if(box.y1 > pArcsTmp->y)
- box.y1 = pArcsTmp->y;
- if(box.y2 < (pArcsTmp->y + pArcsTmp->height))
- box.y2 = pArcsTmp->y + pArcsTmp->height;
- }
-
- if(extra)
- {
- box.x1 -= extra;
- box.x2 += extra;
- box.y1 -= extra;
- box.y2 += extra;
- }
-
- box.x2++;
- box.y2++;
-
- TRIM_AND_TRANSLATE_BOX(box, pDrawable, pGC);
- if(BOX_NOT_EMPTY(box))
- damageDamageBox (pDrawable, &box, pGC->subWindowMode);
- }
- (*pGC->ops->PolyArc)(pDrawable, pGC, nArcs, pArcs);
- damageRegionProcessPending (pDrawable);
- DAMAGE_GC_OP_EPILOGUE(pGC, pDrawable);
-}
-
-static void
-damageFillPolygon(DrawablePtr pDrawable,
- GCPtr pGC,
- int shape,
- int mode,
- int npt,
- DDXPointPtr ppt)
-{
- DAMAGE_GC_OP_PROLOGUE(pGC, pDrawable);
-
- if (npt > 2 && checkGCDamage (pDrawable, pGC))
- {
- DDXPointPtr pptTmp = ppt;
- int nptTmp = npt;
- BoxRec box;
-
- box.x2 = box.x1 = pptTmp->x;
- box.y2 = box.y1 = pptTmp->y;
-
- if(mode != CoordModeOrigin)
- {
- int x = box.x1;
- int y = box.y1;
- while(--nptTmp)
- {
- pptTmp++;
- x += pptTmp->x;
- y += pptTmp->y;
- if(box.x1 > x) box.x1 = x;
- else if(box.x2 < x) box.x2 = x;
- if(box.y1 > y) box.y1 = y;
- else if(box.y2 < y) box.y2 = y;
- }
- }
- else
- {
- while(--nptTmp)
- {
- pptTmp++;
- if(box.x1 > pptTmp->x) box.x1 = pptTmp->x;
- else if(box.x2 < pptTmp->x) box.x2 = pptTmp->x;
- if(box.y1 > pptTmp->y) box.y1 = pptTmp->y;
- else if(box.y2 < pptTmp->y) box.y2 = pptTmp->y;
- }
- }
-
- box.x2++;
- box.y2++;
-
- TRIM_AND_TRANSLATE_BOX(box, pDrawable, pGC);
- if(BOX_NOT_EMPTY(box))
- damageDamageBox (pDrawable, &box, pGC->subWindowMode);
- }
-
- (*pGC->ops->FillPolygon)(pDrawable, pGC, shape, mode, npt, ppt);
- damageRegionProcessPending (pDrawable);
- DAMAGE_GC_OP_EPILOGUE(pGC, pDrawable);
-}
-
-
-static void
-damagePolyFillRect(DrawablePtr pDrawable,
- GCPtr pGC,
- int nRects,
- xRectangle *pRects)
-{
- DAMAGE_GC_OP_PROLOGUE(pGC, pDrawable);
- if (nRects && checkGCDamage (pDrawable, pGC))
- {
- BoxRec box;
- xRectangle *pRectsTmp = pRects;
- int nRectsTmp = nRects;
-
- box.x1 = pRectsTmp->x;
- box.x2 = box.x1 + pRectsTmp->width;
- box.y1 = pRectsTmp->y;
- box.y2 = box.y1 + pRectsTmp->height;
-
- while(--nRectsTmp)
- {
- pRectsTmp++;
- if(box.x1 > pRectsTmp->x) box.x1 = pRectsTmp->x;
- if(box.x2 < (pRectsTmp->x + pRectsTmp->width))
- box.x2 = pRectsTmp->x + pRectsTmp->width;
- if(box.y1 > pRectsTmp->y) box.y1 = pRectsTmp->y;
- if(box.y2 < (pRectsTmp->y + pRectsTmp->height))
- box.y2 = pRectsTmp->y + pRectsTmp->height;
- }
-
- TRIM_AND_TRANSLATE_BOX(box, pDrawable, pGC);
- if(BOX_NOT_EMPTY(box))
- damageDamageBox (pDrawable, &box, pGC->subWindowMode);
- }
- (*pGC->ops->PolyFillRect)(pDrawable, pGC, nRects, pRects);
- damageRegionProcessPending (pDrawable);
- DAMAGE_GC_OP_EPILOGUE(pGC, pDrawable);
-}
-
-
-static void
-damagePolyFillArc(DrawablePtr pDrawable,
- GCPtr pGC,
- int nArcs,
- xArc *pArcs)
-{
- DAMAGE_GC_OP_PROLOGUE(pGC, pDrawable);
-
- if (nArcs && checkGCDamage (pDrawable, pGC))
- {
- BoxRec box;
- int nArcsTmp = nArcs;
- xArc *pArcsTmp = pArcs;
-
- box.x1 = pArcsTmp->x;
- box.x2 = box.x1 + pArcsTmp->width;
- box.y1 = pArcsTmp->y;
- box.y2 = box.y1 + pArcsTmp->height;
-
- while(--nArcsTmp)
- {
- pArcsTmp++;
- if(box.x1 > pArcsTmp->x)
- box.x1 = pArcsTmp->x;
- if(box.x2 < (pArcsTmp->x + pArcsTmp->width))
- box.x2 = pArcsTmp->x + pArcsTmp->width;
- if(box.y1 > pArcsTmp->y)
- box.y1 = pArcsTmp->y;
- if(box.y2 < (pArcsTmp->y + pArcsTmp->height))
- box.y2 = pArcsTmp->y + pArcsTmp->height;
- }
-
- TRIM_AND_TRANSLATE_BOX(box, pDrawable, pGC);
- if(BOX_NOT_EMPTY(box))
- damageDamageBox (pDrawable, &box, pGC->subWindowMode);
- }
- (*pGC->ops->PolyFillArc)(pDrawable, pGC, nArcs, pArcs);
- damageRegionProcessPending (pDrawable);
- DAMAGE_GC_OP_EPILOGUE(pGC, pDrawable);
-}
-
-/*
- * general Poly/Image text function. Extract glyph information,
- * compute bounding box and remove cursor if it is overlapped.
- */
-
-static void
-damageDamageChars (DrawablePtr pDrawable,
- FontPtr font,
- int x,
- int y,
- unsigned int n,
- CharInfoPtr *charinfo,
- Bool imageblt,
- int subWindowMode)
-{
- ExtentInfoRec extents;
- BoxRec box;
-
- QueryGlyphExtents(font, charinfo, n, &extents);
- if (imageblt)
- {
- if (extents.overallWidth > extents.overallRight)
- extents.overallRight = extents.overallWidth;
- if (extents.overallWidth < extents.overallLeft)
- extents.overallLeft = extents.overallWidth;
- if (extents.overallLeft > 0)
- extents.overallLeft = 0;
- if (extents.fontAscent > extents.overallAscent)
- extents.overallAscent = extents.fontAscent;
- if (extents.fontDescent > extents.overallDescent)
- extents.overallDescent = extents.fontDescent;
- }
- box.x1 = x + extents.overallLeft;
- box.y1 = y - extents.overallAscent;
- box.x2 = x + extents.overallRight;
- box.y2 = y + extents.overallDescent;
- damageDamageBox (pDrawable, &box, subWindowMode);
-}
-
-/*
- * values for textType:
- */
-#define TT_POLY8 0
-#define TT_IMAGE8 1
-#define TT_POLY16 2
-#define TT_IMAGE16 3
-
-static int
-damageText (DrawablePtr pDrawable,
- GCPtr pGC,
- int x,
- int y,
- unsigned long count,
- char *chars,
- FontEncoding fontEncoding,
- Bool textType)
-{
- CharInfoPtr *charinfo;
- CharInfoPtr *info;
- unsigned long i;
- unsigned int n;
- int w;
- Bool imageblt;
-
- imageblt = (textType == TT_IMAGE8) || (textType == TT_IMAGE16);
-
- charinfo = xalloc(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));
- }
- xfree(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.
- */
- REGION_TRANSLATE (pScreen, prgnSrc, dx, dy);
- damageRegionAppend (&pWindow->drawable, prgnSrc, FALSE, -1);
- REGION_TRANSLATE (pScreen, 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,
- {NULL} /* devPrivate */
-};
-
-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);
- xfree (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 (dixLookupPrivate(&pScreen->devPrivates, damageScrPrivateKey))
- return TRUE;
-
- if (!dixRequestPrivate(damageGCPrivateKey, sizeof(DamageGCPrivRec)))
- return FALSE;
-
- pScrPriv = xalloc (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 = xalloc (sizeof (DamageRec));
- if (!pDamage)
- return 0;
- pDamage->pNext = 0;
- pDamage->pNextWin = 0;
- REGION_NULL(pScreen, &pDamage->damage);
- REGION_NULL(pScreen, &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;
- pDamage->devPrivates = NULL;
-
- (*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);
- dixFreePrivates(pDamage->devPrivates);
- pDamage->devPrivates = NULL;
- REGION_UNINIT (pScreen, &pDamage->damage);
- REGION_UNINIT (pScreen, &pDamage->pendingDamage);
- xfree (pDamage);
-}
-
-Bool
-DamageSubtract (DamagePtr pDamage,
- const RegionPtr pRegion)
-{
- RegionPtr pClip;
- RegionRec pixmapClip;
- DrawablePtr pDrawable = pDamage->pDrawable;
-
- REGION_SUBTRACT (pDrawable->pScreen, &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;
- REGION_INIT (pDrawable->pScreen, &pixmapClip, &box, 1);
- pClip = &pixmapClip;
- }
- REGION_TRANSLATE (pDrawable->pScreen, &pDamage->damage, pDrawable->x, pDrawable->y);
- REGION_INTERSECT (pDrawable->pScreen, &pDamage->damage, &pDamage->damage, pClip);
- REGION_TRANSLATE (pDrawable->pScreen, &pDamage->damage, -pDrawable->x, -pDrawable->y);
- if (pDrawable->type != DRAWABLE_WINDOW)
- REGION_UNINIT(pDrawable->pScreen, &pixmapClip);
- }
- return REGION_NOTEMPTY (pDrawable->pScreen, &pDamage->damage);
-}
-
-void
-DamageEmpty (DamagePtr pDamage)
-{
- REGION_EMPTY (pDamage->pDrawable->pScreen, &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;
-}
+/*
+ * 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 int damageScrPrivateKeyIndex;
+static DevPrivateKey damageScrPrivateKey = &damageScrPrivateKeyIndex;
+static int damagePixPrivateKeyIndex;
+static DevPrivateKey damagePixPrivateKey = &damagePixPrivateKeyIndex;
+static int damageGCPrivateKeyIndex;
+static DevPrivateKey damageGCPrivateKey = &damageGCPrivateKeyIndex;
+static int damageWinPrivateKeyIndex;
+static DevPrivateKey damageWinPrivateKey = &damageWinPrivateKeyIndex;
+
+static DamagePtr *
+getDrawableDamageRef (DrawablePtr pDrawable)
+{
+ PixmapPtr pPixmap;
+
+ if (pDrawable->type == DRAWABLE_WINDOW)
+ {
+ ScreenPtr pScreen = pDrawable->pScreen;
+
+ pPixmap = 0;
+ if (pScreen->GetWindowPixmap
+#ifdef ROOTLESS_WORKAROUND
+ && ((WindowPtr)pDrawable)->viewable
+#endif
+ )
+ pPixmap = (*pScreen->GetWindowPixmap) ((WindowPtr)pDrawable);
+
+ if (!pPixmap)
+ {
+ damageScrPriv(pScreen);
+
+ return &pScrPriv->pScreenDamage;
+ }
+ }
+ else
+ pPixmap = (PixmapPtr) pDrawable;
+ return getPixmapDamageRef (pPixmap);
+}
+
+#define getDrawableDamage(pDrawable) (*getDrawableDamageRef (pDrawable))
+#define getWindowDamage(pWin) getDrawableDamage(&(pWin)->drawable)
+
+#define drawableDamage(pDrawable) \
+ DamagePtr pDamage = getDrawableDamage(pDrawable)
+
+#define windowDamage(pWin) drawableDamage(&(pWin)->drawable)
+
+#define winDamageRef(pWindow) \
+ DamagePtr *pPrev = (DamagePtr *) \
+ dixLookupPrivateAddr(&(pWindow)->devPrivates, damageWinPrivateKey)
+
+static void
+damageReportDamage (DamagePtr pDamage, RegionPtr pDamageRegion)
+{
+ BoxRec tmpBox;
+ RegionRec tmpRegion;
+ Bool was_empty;
+
+ switch (pDamage->damageLevel) {
+ case DamageReportRawRegion:
+ REGION_UNION(pScreen, &pDamage->damage, &pDamage->damage,
+ pDamageRegion);
+ (*pDamage->damageReport) (pDamage, pDamageRegion, pDamage->closure);
+ break;
+ case DamageReportDeltaRegion:
+ REGION_NULL (pScreen, &tmpRegion);
+ REGION_SUBTRACT (pScreen, &tmpRegion, pDamageRegion, &pDamage->damage);
+ if (REGION_NOTEMPTY (pScreen, &tmpRegion)) {
+ REGION_UNION(pScreen, &pDamage->damage, &pDamage->damage,
+ pDamageRegion);
+ (*pDamage->damageReport) (pDamage, &tmpRegion, pDamage->closure);
+ }
+ REGION_UNINIT(pScreen, &tmpRegion);
+ break;
+ case DamageReportBoundingBox:
+ tmpBox = *REGION_EXTENTS (pScreen, &pDamage->damage);
+ REGION_UNION(pScreen, &pDamage->damage, &pDamage->damage,
+ pDamageRegion);
+ if (!BOX_SAME (&tmpBox, REGION_EXTENTS (pScreen, &pDamage->damage))) {
+ (*pDamage->damageReport) (pDamage, &pDamage->damage,
+ pDamage->closure);
+ }
+ break;
+ case DamageReportNonEmpty:
+ was_empty = !REGION_NOTEMPTY(pScreen, &pDamage->damage);
+ REGION_UNION(pScreen, &pDamage->damage, &pDamage->damage,
+ pDamageRegion);
+ if (was_empty && REGION_NOTEMPTY(pScreen, &pDamage->damage)) {
+ (*pDamage->damageReport) (pDamage, &pDamage->damage,
+ pDamage->closure);
+ }
+ break;
+ case DamageReportNone:
+ REGION_UNION(pScreen, &pDamage->damage, &pDamage->damage,
+ pDamageRegion);
+ break;
+ }
+}
+
+static void
+damageReportDamagePostRendering (DamagePtr pDamage, RegionPtr pOldDamage, RegionPtr pDamageRegion)
+{
+ BoxRec tmpBox;
+ RegionRec tmpRegion, newDamage;
+ Bool was_empty;
+
+ REGION_UNION(pScreem, &newDamage, pOldDamage, pDamageRegion);
+
+ switch (pDamage->damageLevel) {
+ case DamageReportRawRegion:
+ (*pDamage->damageReportPostRendering) (pDamage, pDamageRegion, pDamage->closure);
+ break;
+ case DamageReportDeltaRegion:
+ REGION_NULL (pScreen, &tmpRegion);
+ REGION_SUBTRACT (pScreen, &tmpRegion, pDamageRegion, pOldDamage);
+ if (REGION_NOTEMPTY (pScreen, &tmpRegion)) {
+ (*pDamage->damageReportPostRendering) (pDamage, &tmpRegion, pDamage->closure);
+ }
+ REGION_UNINIT(pScreen, &tmpRegion);
+ break;
+ case DamageReportBoundingBox:
+ tmpBox = *REGION_EXTENTS (pScreen, pOldDamage);
+ if (!BOX_SAME (&tmpBox, REGION_EXTENTS (pScreen, &newDamage))) {
+ (*pDamage->damageReportPostRendering) (pDamage, &newDamage,
+ pDamage->closure);
+ }
+ break;
+ case DamageReportNonEmpty:
+ was_empty = !REGION_NOTEMPTY(pScreen, pOldDamage);
+ if (was_empty && REGION_NOTEMPTY(pScreen, &newDamage)) {
+ (*pDamage->damageReportPostRendering) (pDamage, &newDamage,
+ pDamage->closure);
+ }
+ break;
+ case DamageReportNone:
+ break;
+ }
+
+ REGION_UNINIT(pScreen, &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 (!REGION_NOTEMPTY(pScreen, 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)
+ REGION_TRANSLATE (pScreen, pRegion, screen_x, screen_y);
+#endif
+
+ if (pDrawable->type == DRAWABLE_WINDOW &&
+ ((WindowPtr)(pDrawable))->backingStore == NotUseful)
+ {
+ if (subWindowMode == ClipByChildren)
+ {
+ REGION_INTERSECT(pScreen, pRegion, pRegion,
+ &((WindowPtr)(pDrawable))->clipList);
+ }
+ else if (subWindowMode == IncludeInferiors)
+ {
+ RegionPtr pTempRegion =
+ NotClippedByChildren((WindowPtr)(pDrawable));
+ REGION_INTERSECT(pScreen, pRegion, pRegion, pTempRegion);
+ REGION_DESTROY(pScreen, pTempRegion);
+ }
+ /* If subWindowMode is set to an invalid value, don't perform
+ * any drawable-based clipping. */
+ }
+
+
+ REGION_NULL (pScreen, &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 (pDamage->pDrawable->type != DRAWABLE_WINDOW)
+ {
+ draw_x += ((PixmapPtr) pDamage->pDrawable)->screen_x;
+ draw_y += ((PixmapPtr) pDamage->pDrawable)->screen_y;
+ }
+#endif
+
+ /*
+ * Clip against border or pixmap bounds
+ */
+
+ pDamageRegion = pRegion;
+ if (clip || pDamage->pDrawable != pDrawable)
+ {
+ pDamageRegion = &clippedRec;
+ if (pDamage->pDrawable->type == DRAWABLE_WINDOW) {
+ REGION_INTERSECT (pScreen, 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;
+ REGION_INIT(pScreen, &pixClip, &box, 1);
+ REGION_INTERSECT (pScreen, pDamageRegion, pRegion, &pixClip);
+ REGION_UNINIT(pScreen, &pixClip);
+ }
+ /*
+ * Short circuit empty results
+ */
+ if (!REGION_NOTEMPTY(pScreen, 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)
+ REGION_TRANSLATE (pScreen, pDamageRegion, -draw_x, -draw_y);
+
+ /* Store damage region if needed after submission. */
+ if (pDamage->reportAfter || pDamage->damageMarker)
+ REGION_UNION(pScreen, &pDamage->pendingDamage,
+ &pDamage->pendingDamage, pDamageRegion);
+
+ /* Duplicate current damage if needed. */
+ if (pDamage->damageMarker)
+ REGION_COPY(pScreen, &pDamage->backupDamage, &pDamage->damage);
+
+ /* Report damage now, if desired. */
+ if (!pDamage->reportAfter) {
+ if (pDamage->damageReport)
+ damageReportDamage (pDamage, pDamageRegion);
+ else
+ REGION_UNION(pScreen, &pDamage->damage,
+ &pDamage->damage, pDamageRegion);
+ }
+
+ /*
+ * translate original region back
+ */
+ if (pDamageRegion == pRegion && (draw_x || draw_y))
+ REGION_TRANSLATE (pScreen, pDamageRegion, draw_x, draw_y);
+ }
+#ifdef COMPOSITE
+ if (screen_x || screen_y)
+ REGION_TRANSLATE (pScreen, pRegion, -screen_x, -screen_y);
+#endif
+
+ REGION_UNINIT (pScreen, &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
+ REGION_UNION(pScreen, &pDamage->damage, &pDamage->damage,
+ &pDamage->pendingDamage);
+ }
+
+ if (pDamage->reportAfter || pDamage->damageMarker)
+ REGION_EMPTY (pScreen, &pDamage->pendingDamage);
+ if (pDamage->damageMarker)
+ REGION_EMPTY (pScreen, &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;
+
+ REGION_INIT (pDrawable->pScreen, &region, pBox, 1);
+#if DAMAGE_DEBUG_ENABLE
+ _damageRegionAppend (pDrawable, &region, TRUE, subWindowMode, where);
+#else
+ damageRegionAppend (pDrawable, &region, TRUE, subWindowMode);
+#endif
+ REGION_UNINIT (pDrawable->pScreen, &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;
+
+ pGC->pCompositeClip = 0;
+ unwrap (pScrPriv, pScreen, CreateGC);
+ if((ret = (*pScreen->CreateGC) (pGC))) {
+ pGCPriv->ops = NULL;
+ pGCPriv->funcs = pGC->funcs;
+ pGC->funcs = &damageGCFuncs;
+ }
+ wrap (pScrPriv, pScreen, CreateGC, damageCreateGC);
+
+ return ret;
+}
+
+#ifdef NOTUSED
+static void
+damageWrapGC (GCPtr pGC)
+{
+ damageGCPriv(pGC);
+
+ pGCPriv->ops = NULL;
+ pGCPriv->funcs = pGC->funcs;
+ pGC->funcs = &damageGCFuncs;
+}
+
+static void
+damageUnwrapGC (GCPtr pGC)
+{
+ damageGCPriv(pGC);
+
+ pGC->funcs = pGCPriv->funcs;
+ if (pGCPriv->ops)
+ pGC->ops = pGCPriv->ops;
+}
+#endif
+
+#define DAMAGE_GC_OP_PROLOGUE(pGC, pDrawable) \
+ damageGCPriv(pGC); \
+ GCFuncs *oldFuncs = pGC->funcs; \
+ unwrap(pGCPriv, pGC, funcs); \
+ unwrap(pGCPriv, pGC, ops); \
+
+#define DAMAGE_GC_OP_EPILOGUE(pGC, pDrawable) \
+ wrap(pGCPriv, pGC, funcs, oldFuncs); \
+ wrap(pGCPriv, pGC, ops, &damageGCOps)
+
+#define DAMAGE_GC_FUNC_PROLOGUE(pGC) \
+ damageGCPriv(pGC); \
+ unwrap(pGCPriv, pGC, funcs); \
+ if (pGCPriv->ops) unwrap(pGCPriv, pGC, ops)
+
+#define DAMAGE_GC_FUNC_EPILOGUE(pGC) \
+ wrap(pGCPriv, pGC, funcs, &damageGCFuncs); \
+ if (pGCPriv->ops) wrap(pGCPriv, pGC, ops, &damageGCOps)
+
+static void
+damageValidateGC(GCPtr pGC,
+ unsigned long changes,
+ DrawablePtr pDrawable)
+{
+ DAMAGE_GC_FUNC_PROLOGUE (pGC);
+ (*pGC->funcs->ValidateGC)(pGC, changes, pDrawable);
+ pGCPriv->ops = pGC->ops; /* just so it's not NULL */
+ DAMAGE_GC_FUNC_EPILOGUE (pGC);
+}
+
+static void
+damageDestroyGC(GCPtr pGC)
+{
+ DAMAGE_GC_FUNC_PROLOGUE (pGC);
+ (*pGC->funcs->DestroyGC)(pGC);
+ DAMAGE_GC_FUNC_EPILOGUE (pGC);
+}
+
+static void
+damageChangeGC (GCPtr pGC,
+ unsigned long mask)
+{
+ DAMAGE_GC_FUNC_PROLOGUE (pGC);
+ (*pGC->funcs->ChangeGC) (pGC, mask);
+ DAMAGE_GC_FUNC_EPILOGUE (pGC);
+}
+
+static void
+damageCopyGC (GCPtr pGCSrc,
+ unsigned long mask,
+ GCPtr pGCDst)
+{
+ DAMAGE_GC_FUNC_PROLOGUE (pGCDst);
+ (*pGCDst->funcs->CopyGC) (pGCSrc, mask, pGCDst);
+ DAMAGE_GC_FUNC_EPILOGUE (pGCDst);
+}
+
+static void
+damageChangeClip (GCPtr pGC,
+ int type,
+ 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 ||\
+ REGION_NOTEMPTY(d->pScreen, \
+ 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) && \
+ REGION_NOTEMPTY(pScreen, 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);
+
+ /* The driver will only call SourceValidate() when pSrc != pDst,
+ * but the software sprite (misprite.c) always need to know when a
+ * drawable is copied so it can remove the sprite. See #1030. */
+ if ((pSrc == pDst) && pSrc->pScreen->SourceValidate &&
+ pSrc->type == DRAWABLE_WINDOW &&
+ ((WindowPtr)pSrc)->viewable)
+ {
+ (*pSrc->pScreen->SourceValidate) (pSrc, srcx, srcy, width, height);
+ }
+
+ if (checkGCDamage (pDst, pGC))
+ {
+ BoxRec box;
+
+ box.x1 = dstx + pDst->x;
+ box.x2 = box.x1 + width;
+ box.y1 = dsty + pDst->y;
+ box.y2 = box.y1 + height;
+
+ TRIM_BOX(box, pGC);
+ if(BOX_NOT_EMPTY(box))
+ damageDamageBox (pDst, &box, pGC->subWindowMode);
+ }
+
+ ret = (*pGC->ops->CopyArea)(pSrc, pDst,
+ pGC, srcx, srcy, width, height, dstx, dsty);
+ 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);
+
+ /* The driver will only call SourceValidate() when pSrc != pDst,
+ * but the software sprite (misprite.c) always need to know when a
+ * drawable is copied so it can remove the sprite. See #1030. */
+ if ((pSrc == pDst) && pSrc->pScreen->SourceValidate &&
+ pSrc->type == DRAWABLE_WINDOW &&
+ ((WindowPtr)pSrc)->viewable)
+ {
+ (*pSrc->pScreen->SourceValidate) (pSrc, srcx, srcy, width, height);
+ }
+
+ if (checkGCDamage (pDst, pGC))
+ {
+ BoxRec box;
+
+ box.x1 = dstx + pDst->x;
+ box.x2 = box.x1 + width;
+ box.y1 = dsty + pDst->y;
+ box.y2 = box.y1 + height;
+
+ TRIM_BOX(box, pGC);
+ if(BOX_NOT_EMPTY(box))
+ damageDamageBox (pDst, &box, pGC->subWindowMode);
+ }
+
+ ret = (*pGC->ops->CopyPlane)(pSrc, pDst,
+ pGC, srcx, srcy, width, height, dstx, dsty, bitPlane);
+ damageRegionProcessPending (pDst);
+ DAMAGE_GC_OP_EPILOGUE(pGC, pDst);
+ return ret;
+}
+
+static void
+damagePolyPoint(DrawablePtr pDrawable,
+ GCPtr pGC,
+ int mode,
+ int npt,
+ xPoint *ppt)
+{
+ DAMAGE_GC_OP_PROLOGUE(pGC, pDrawable);
+
+ if (npt && checkGCDamage (pDrawable, pGC))
+ {
+ BoxRec box;
+ int nptTmp = npt;
+ xPoint *pptTmp = ppt;
+
+ box.x2 = box.x1 = pptTmp->x;
+ box.y2 = box.y1 = pptTmp->y;
+
+ /* this could be slow if the points were spread out */
+
+ while(--nptTmp)
+ {
+ pptTmp++;
+ if(box.x1 > pptTmp->x) box.x1 = pptTmp->x;
+ else if(box.x2 < pptTmp->x) box.x2 = pptTmp->x;
+ if(box.y1 > pptTmp->y) box.y1 = pptTmp->y;
+ else if(box.y2 < pptTmp->y) box.y2 = pptTmp->y;
+ }
+
+ box.x2++;
+ box.y2++;
+
+ TRIM_AND_TRANSLATE_BOX(box, pDrawable, pGC);
+ if(BOX_NOT_EMPTY(box))
+ damageDamageBox (pDrawable, &box, pGC->subWindowMode);
+ }
+ (*pGC->ops->PolyPoint)(pDrawable, pGC, mode, npt, ppt);
+ damageRegionProcessPending (pDrawable);
+ DAMAGE_GC_OP_EPILOGUE(pGC, pDrawable);
+}
+
+static void
+damagePolylines(DrawablePtr pDrawable,
+ GCPtr pGC,
+ int mode,
+ int npt,
+ DDXPointPtr ppt)
+{
+ DAMAGE_GC_OP_PROLOGUE(pGC, pDrawable);
+
+ if (npt && checkGCDamage (pDrawable, pGC))
+ {
+ int nptTmp = npt;
+ DDXPointPtr pptTmp = ppt;
+ BoxRec box;
+ int extra = pGC->lineWidth >> 1;
+
+ box.x2 = box.x1 = pptTmp->x;
+ box.y2 = box.y1 = pptTmp->y;
+
+ if(nptTmp > 1)
+ {
+ if(pGC->joinStyle == JoinMiter)
+ extra = 6 * pGC->lineWidth;
+ else if(pGC->capStyle == CapProjecting)
+ extra = pGC->lineWidth;
+ }
+
+ if(mode == CoordModePrevious)
+ {
+ int x = box.x1;
+ int y = box.y1;
+ while(--nptTmp)
+ {
+ pptTmp++;
+ x += pptTmp->x;
+ y += pptTmp->y;
+ if(box.x1 > x) box.x1 = x;
+ else if(box.x2 < x) box.x2 = x;
+ if(box.y1 > y) box.y1 = y;
+ else if(box.y2 < y) box.y2 = y;
+ }
+ }
+ else
+ {
+ while(--nptTmp)
+ {
+ pptTmp++;
+ if(box.x1 > pptTmp->x) box.x1 = pptTmp->x;
+ else if(box.x2 < pptTmp->x) box.x2 = pptTmp->x;
+ if(box.y1 > pptTmp->y) box.y1 = pptTmp->y;
+ else if(box.y2 < pptTmp->y) box.y2 = pptTmp->y;
+ }
+ }
+
+ box.x2++;
+ box.y2++;
+
+ if(extra)
+ {
+ box.x1 -= extra;
+ box.x2 += extra;
+ box.y1 -= extra;
+ box.y2 += extra;
+ }
+
+ TRIM_AND_TRANSLATE_BOX(box, pDrawable, pGC);
+ if(BOX_NOT_EMPTY(box))
+ damageDamageBox (pDrawable, &box, pGC->subWindowMode);
+ }
+ (*pGC->ops->Polylines)(pDrawable, pGC, mode, npt, ppt);
+ damageRegionProcessPending (pDrawable);
+ DAMAGE_GC_OP_EPILOGUE(pGC, pDrawable);
+}
+
+static void
+damagePolySegment(DrawablePtr pDrawable,
+ GCPtr pGC,
+ int nSeg,
+ xSegment *pSeg)
+{
+ DAMAGE_GC_OP_PROLOGUE(pGC, pDrawable);
+
+ if (nSeg && checkGCDamage (pDrawable, pGC))
+ {
+ BoxRec box;
+ int extra = pGC->lineWidth;
+ int nsegTmp = nSeg;
+ xSegment *pSegTmp = pSeg;
+
+ if(pGC->capStyle != CapProjecting)
+ extra >>= 1;
+
+ if(pSegTmp->x2 > pSegTmp->x1) {
+ box.x1 = pSegTmp->x1;
+ box.x2 = pSegTmp->x2;
+ } else {
+ box.x2 = pSegTmp->x1;
+ box.x1 = pSegTmp->x2;
+ }
+
+ if(pSegTmp->y2 > pSegTmp->y1) {
+ box.y1 = pSegTmp->y1;
+ box.y2 = pSegTmp->y2;
+ } else {
+ box.y2 = pSegTmp->y1;
+ box.y1 = pSegTmp->y2;
+ }
+
+ while(--nsegTmp)
+ {
+ pSegTmp++;
+ if(pSegTmp->x2 > pSegTmp->x1)
+ {
+ if(pSegTmp->x1 < box.x1) box.x1 = pSegTmp->x1;
+ if(pSegTmp->x2 > box.x2) box.x2 = pSegTmp->x2;
+ }
+ else
+ {
+ if(pSegTmp->x2 < box.x1) box.x1 = pSegTmp->x2;
+ if(pSegTmp->x1 > box.x2) box.x2 = pSegTmp->x1;
+ }
+ if(pSegTmp->y2 > pSegTmp->y1)
+ {
+ if(pSegTmp->y1 < box.y1) box.y1 = pSegTmp->y1;
+ if(pSegTmp->y2 > box.y2) box.y2 = pSegTmp->y2;
+ }
+ else
+ {
+ if(pSegTmp->y2 < box.y1) box.y1 = pSegTmp->y2;
+ if(pSegTmp->y1 > box.y2) box.y2 = pSegTmp->y1;
+ }
+ }
+
+ box.x2++;
+ box.y2++;
+
+ if(extra)
+ {
+ box.x1 -= extra;
+ box.x2 += extra;
+ box.y1 -= extra;
+ box.y2 += extra;
+ }
+
+ TRIM_AND_TRANSLATE_BOX(box, pDrawable, pGC);
+ if(BOX_NOT_EMPTY(box))
+ damageDamageBox (pDrawable, &box, pGC->subWindowMode);
+ }
+ (*pGC->ops->PolySegment)(pDrawable, pGC, nSeg, pSeg);
+ damageRegionProcessPending (pDrawable);
+ DAMAGE_GC_OP_EPILOGUE(pGC, pDrawable);
+}
+
+static void
+damagePolyRectangle(DrawablePtr pDrawable,
+ GCPtr pGC,
+ int nRects,
+ xRectangle *pRects)
+{
+ DAMAGE_GC_OP_PROLOGUE(pGC, pDrawable);
+
+ if (nRects && checkGCDamage (pDrawable, pGC))
+ {
+ BoxRec box;
+ int offset1, offset2, offset3;
+ int nRectsTmp = nRects;
+ xRectangle *pRectsTmp = pRects;
+
+ offset2 = pGC->lineWidth;
+ if(!offset2) offset2 = 1;
+ offset1 = offset2 >> 1;
+ offset3 = offset2 - offset1;
+
+ while(nRectsTmp--)
+ {
+ box.x1 = pRectsTmp->x - offset1;
+ box.y1 = pRectsTmp->y - offset1;
+ box.x2 = box.x1 + pRectsTmp->width + offset2;
+ box.y2 = box.y1 + offset2;
+ TRIM_AND_TRANSLATE_BOX(box, pDrawable, pGC);
+ if(BOX_NOT_EMPTY(box))
+ damageDamageBox (pDrawable, &box, pGC->subWindowMode);
+
+ box.x1 = pRectsTmp->x - offset1;
+ box.y1 = pRectsTmp->y + offset3;
+ box.x2 = box.x1 + offset2;
+ box.y2 = box.y1 + pRectsTmp->height - offset2;
+ TRIM_AND_TRANSLATE_BOX(box, pDrawable, pGC);
+ if(BOX_NOT_EMPTY(box))
+ damageDamageBox (pDrawable, &box, pGC->subWindowMode);
+
+ box.x1 = pRectsTmp->x + pRectsTmp->width - offset1;
+ box.y1 = pRectsTmp->y + offset3;
+ box.x2 = box.x1 + offset2;
+ box.y2 = box.y1 + pRectsTmp->height - offset2;
+ TRIM_AND_TRANSLATE_BOX(box, pDrawable, pGC);
+ if(BOX_NOT_EMPTY(box))
+ damageDamageBox (pDrawable, &box, pGC->subWindowMode);
+
+ box.x1 = pRectsTmp->x - offset1;
+ box.y1 = pRectsTmp->y + pRectsTmp->height - offset1;
+ box.x2 = box.x1 + pRectsTmp->width + offset2;
+ box.y2 = box.y1 + offset2;
+ TRIM_AND_TRANSLATE_BOX(box, pDrawable, pGC);
+ if(BOX_NOT_EMPTY(box))
+ damageDamageBox (pDrawable, &box, pGC->subWindowMode);
+
+ pRectsTmp++;
+ }
+ }
+ (*pGC->ops->PolyRectangle)(pDrawable, pGC, nRects, pRects);
+ damageRegionProcessPending (pDrawable);
+ DAMAGE_GC_OP_EPILOGUE(pGC, pDrawable);
+}
+
+static void
+damagePolyArc(DrawablePtr pDrawable,
+ GCPtr pGC,
+ int nArcs,
+ xArc *pArcs)
+{
+ DAMAGE_GC_OP_PROLOGUE(pGC, pDrawable);
+
+ if (nArcs && checkGCDamage (pDrawable, pGC))
+ {
+ int extra = pGC->lineWidth >> 1;
+ BoxRec box;
+ int nArcsTmp = nArcs;
+ xArc *pArcsTmp = pArcs;
+
+ box.x1 = pArcsTmp->x;
+ box.x2 = box.x1 + pArcsTmp->width;
+ box.y1 = pArcsTmp->y;
+ box.y2 = box.y1 + pArcsTmp->height;
+
+ while(--nArcsTmp)
+ {
+ pArcsTmp++;
+ if(box.x1 > pArcsTmp->x)
+ box.x1 = pArcsTmp->x;
+ if(box.x2 < (pArcsTmp->x + pArcsTmp->width))
+ box.x2 = pArcsTmp->x + pArcsTmp->width;
+ if(box.y1 > pArcsTmp->y)
+ box.y1 = pArcsTmp->y;
+ if(box.y2 < (pArcsTmp->y + pArcsTmp->height))
+ box.y2 = pArcsTmp->y + pArcsTmp->height;
+ }
+
+ if(extra)
+ {
+ box.x1 -= extra;
+ box.x2 += extra;
+ box.y1 -= extra;
+ box.y2 += extra;
+ }
+
+ box.x2++;
+ box.y2++;
+
+ TRIM_AND_TRANSLATE_BOX(box, pDrawable, pGC);
+ if(BOX_NOT_EMPTY(box))
+ damageDamageBox (pDrawable, &box, pGC->subWindowMode);
+ }
+ (*pGC->ops->PolyArc)(pDrawable, pGC, nArcs, pArcs);
+ damageRegionProcessPending (pDrawable);
+ DAMAGE_GC_OP_EPILOGUE(pGC, pDrawable);
+}
+
+static void
+damageFillPolygon(DrawablePtr pDrawable,
+ GCPtr pGC,
+ int shape,
+ int mode,
+ int npt,
+ DDXPointPtr ppt)
+{
+ DAMAGE_GC_OP_PROLOGUE(pGC, pDrawable);
+
+ if (npt > 2 && checkGCDamage (pDrawable, pGC))
+ {
+ DDXPointPtr pptTmp = ppt;
+ int nptTmp = npt;
+ BoxRec box;
+
+ box.x2 = box.x1 = pptTmp->x;
+ box.y2 = box.y1 = pptTmp->y;
+
+ if(mode != CoordModeOrigin)
+ {
+ int x = box.x1;
+ int y = box.y1;
+ while(--nptTmp)
+ {
+ pptTmp++;
+ x += pptTmp->x;
+ y += pptTmp->y;
+ if(box.x1 > x) box.x1 = x;
+ else if(box.x2 < x) box.x2 = x;
+ if(box.y1 > y) box.y1 = y;
+ else if(box.y2 < y) box.y2 = y;
+ }
+ }
+ else
+ {
+ while(--nptTmp)
+ {
+ pptTmp++;
+ if(box.x1 > pptTmp->x) box.x1 = pptTmp->x;
+ else if(box.x2 < pptTmp->x) box.x2 = pptTmp->x;
+ if(box.y1 > pptTmp->y) box.y1 = pptTmp->y;
+ else if(box.y2 < pptTmp->y) box.y2 = pptTmp->y;
+ }
+ }
+
+ box.x2++;
+ box.y2++;
+
+ TRIM_AND_TRANSLATE_BOX(box, pDrawable, pGC);
+ if(BOX_NOT_EMPTY(box))
+ damageDamageBox (pDrawable, &box, pGC->subWindowMode);
+ }
+
+ (*pGC->ops->FillPolygon)(pDrawable, pGC, shape, mode, npt, ppt);
+ damageRegionProcessPending (pDrawable);
+ DAMAGE_GC_OP_EPILOGUE(pGC, pDrawable);
+}
+
+
+static void
+damagePolyFillRect(DrawablePtr pDrawable,
+ GCPtr pGC,
+ int nRects,
+ xRectangle *pRects)
+{
+ DAMAGE_GC_OP_PROLOGUE(pGC, pDrawable);
+ if (nRects && checkGCDamage (pDrawable, pGC))
+ {
+ BoxRec box;
+ xRectangle *pRectsTmp = pRects;
+ int nRectsTmp = nRects;
+
+ box.x1 = pRectsTmp->x;
+ box.x2 = box.x1 + pRectsTmp->width;
+ box.y1 = pRectsTmp->y;
+ box.y2 = box.y1 + pRectsTmp->height;
+
+ while(--nRectsTmp)
+ {
+ pRectsTmp++;
+ if(box.x1 > pRectsTmp->x) box.x1 = pRectsTmp->x;
+ if(box.x2 < (pRectsTmp->x + pRectsTmp->width))
+ box.x2 = pRectsTmp->x + pRectsTmp->width;
+ if(box.y1 > pRectsTmp->y) box.y1 = pRectsTmp->y;
+ if(box.y2 < (pRectsTmp->y + pRectsTmp->height))
+ box.y2 = pRectsTmp->y + pRectsTmp->height;
+ }
+
+ TRIM_AND_TRANSLATE_BOX(box, pDrawable, pGC);
+ if(BOX_NOT_EMPTY(box))
+ damageDamageBox (pDrawable, &box, pGC->subWindowMode);
+ }
+ (*pGC->ops->PolyFillRect)(pDrawable, pGC, nRects, pRects);
+ damageRegionProcessPending (pDrawable);
+ DAMAGE_GC_OP_EPILOGUE(pGC, pDrawable);
+}
+
+
+static void
+damagePolyFillArc(DrawablePtr pDrawable,
+ GCPtr pGC,
+ int nArcs,
+ xArc *pArcs)
+{
+ DAMAGE_GC_OP_PROLOGUE(pGC, pDrawable);
+
+ if (nArcs && checkGCDamage (pDrawable, pGC))
+ {
+ BoxRec box;
+ int nArcsTmp = nArcs;
+ xArc *pArcsTmp = pArcs;
+
+ box.x1 = pArcsTmp->x;
+ box.x2 = box.x1 + pArcsTmp->width;
+ box.y1 = pArcsTmp->y;
+ box.y2 = box.y1 + pArcsTmp->height;
+
+ while(--nArcsTmp)
+ {
+ pArcsTmp++;
+ if(box.x1 > pArcsTmp->x)
+ box.x1 = pArcsTmp->x;
+ if(box.x2 < (pArcsTmp->x + pArcsTmp->width))
+ box.x2 = pArcsTmp->x + pArcsTmp->width;
+ if(box.y1 > pArcsTmp->y)
+ box.y1 = pArcsTmp->y;
+ if(box.y2 < (pArcsTmp->y + pArcsTmp->height))
+ box.y2 = pArcsTmp->y + pArcsTmp->height;
+ }
+
+ TRIM_AND_TRANSLATE_BOX(box, pDrawable, pGC);
+ if(BOX_NOT_EMPTY(box))
+ damageDamageBox (pDrawable, &box, pGC->subWindowMode);
+ }
+ (*pGC->ops->PolyFillArc)(pDrawable, pGC, nArcs, pArcs);
+ damageRegionProcessPending (pDrawable);
+ DAMAGE_GC_OP_EPILOGUE(pGC, pDrawable);
+}
+
+/*
+ * general Poly/Image text function. Extract glyph information,
+ * compute bounding box and remove cursor if it is overlapped.
+ */
+
+static void
+damageDamageChars (DrawablePtr pDrawable,
+ FontPtr font,
+ int x,
+ int y,
+ unsigned int n,
+ CharInfoPtr *charinfo,
+ Bool imageblt,
+ int subWindowMode)
+{
+ ExtentInfoRec extents;
+ BoxRec box;
+
+ QueryGlyphExtents(font, charinfo, n, &extents);
+ if (imageblt)
+ {
+ if (extents.overallWidth > extents.overallRight)
+ extents.overallRight = extents.overallWidth;
+ if (extents.overallWidth < extents.overallLeft)
+ extents.overallLeft = extents.overallWidth;
+ if (extents.overallLeft > 0)
+ extents.overallLeft = 0;
+ if (extents.fontAscent > extents.overallAscent)
+ extents.overallAscent = extents.fontAscent;
+ if (extents.fontDescent > extents.overallDescent)
+ extents.overallDescent = extents.fontDescent;
+ }
+ box.x1 = x + extents.overallLeft;
+ box.y1 = y - extents.overallAscent;
+ box.x2 = x + extents.overallRight;
+ box.y2 = y + extents.overallDescent;
+ damageDamageBox (pDrawable, &box, subWindowMode);
+}
+
+/*
+ * values for textType:
+ */
+#define TT_POLY8 0
+#define TT_IMAGE8 1
+#define TT_POLY16 2
+#define TT_IMAGE16 3
+
+static int
+damageText (DrawablePtr pDrawable,
+ GCPtr pGC,
+ int x,
+ int y,
+ unsigned long count,
+ char *chars,
+ FontEncoding fontEncoding,
+ Bool textType)
+{
+ CharInfoPtr *charinfo;
+ CharInfoPtr *info;
+ unsigned long i;
+ unsigned int n;
+ int w;
+ Bool imageblt;
+
+ imageblt = (textType == TT_IMAGE8) || (textType == TT_IMAGE16);
+
+ charinfo = malloc(count * sizeof(CharInfoPtr));
+ if (!charinfo)
+ return x;
+
+ GetGlyphs(pGC->font, count, (unsigned char *)chars,
+ fontEncoding, &i, charinfo);
+ n = (unsigned int)i;
+ w = 0;
+ if (!imageblt)
+ for (info = charinfo; i--; info++)
+ w += (*info)->metrics.characterWidth;
+
+ if (n != 0) {
+ damageDamageChars (pDrawable, pGC->font, x + pDrawable->x, y + pDrawable->y, n,
+ charinfo, imageblt, pGC->subWindowMode);
+ if (imageblt)
+ (*pGC->ops->ImageGlyphBlt)(pDrawable, pGC, x, y, n, charinfo,
+ FONTGLYPHS(pGC->font));
+ else
+ (*pGC->ops->PolyGlyphBlt)(pDrawable, pGC, x, y, n, charinfo,
+ FONTGLYPHS(pGC->font));
+ }
+ free(charinfo);
+ return x + w;
+}
+
+static int
+damagePolyText8(DrawablePtr pDrawable,
+ GCPtr pGC,
+ int x,
+ int y,
+ int count,
+ char *chars)
+{
+ DAMAGE_GC_OP_PROLOGUE(pGC, pDrawable);
+
+ if (checkGCDamage (pDrawable, pGC))
+ x = damageText (pDrawable, pGC, x, y, (unsigned long) count, chars,
+ Linear8Bit, TT_POLY8);
+ else
+ x = (*pGC->ops->PolyText8)(pDrawable, pGC, x, y, count, chars);
+ damageRegionProcessPending (pDrawable);
+ DAMAGE_GC_OP_EPILOGUE(pGC, pDrawable);
+ return x;
+}
+
+static int
+damagePolyText16(DrawablePtr pDrawable,
+ GCPtr pGC,
+ int x,
+ int y,
+ int count,
+ unsigned short *chars)
+{
+ DAMAGE_GC_OP_PROLOGUE(pGC, pDrawable);
+
+ if (checkGCDamage (pDrawable, pGC))
+ x = damageText (pDrawable, pGC, x, y, (unsigned long) count, (char *) chars,
+ FONTLASTROW(pGC->font) == 0 ? Linear16Bit : TwoD16Bit,
+ TT_POLY16);
+ else
+ x = (*pGC->ops->PolyText16)(pDrawable, pGC, x, y, count, chars);
+ damageRegionProcessPending (pDrawable);
+ DAMAGE_GC_OP_EPILOGUE(pGC, pDrawable);
+ return x;
+}
+
+static void
+damageImageText8(DrawablePtr pDrawable,
+ GCPtr pGC,
+ int x,
+ int y,
+ int count,
+ char *chars)
+{
+ DAMAGE_GC_OP_PROLOGUE(pGC, pDrawable);
+
+ if (checkGCDamage (pDrawable, pGC))
+ damageText (pDrawable, pGC, x, y, (unsigned long) count, chars,
+ Linear8Bit, TT_IMAGE8);
+ else
+ (*pGC->ops->ImageText8)(pDrawable, pGC, x, y, count, chars);
+ damageRegionProcessPending (pDrawable);
+ DAMAGE_GC_OP_EPILOGUE(pGC, pDrawable);
+}
+
+static void
+damageImageText16(DrawablePtr pDrawable,
+ GCPtr pGC,
+ int x,
+ int y,
+ int count,
+ unsigned short *chars)
+{
+ DAMAGE_GC_OP_PROLOGUE(pGC, pDrawable);
+
+ if (checkGCDamage (pDrawable, pGC))
+ damageText (pDrawable, pGC, x, y, (unsigned long) count, (char *) chars,
+ FONTLASTROW(pGC->font) == 0 ? Linear16Bit : TwoD16Bit,
+ TT_IMAGE16);
+ else
+ (*pGC->ops->ImageText16)(pDrawable, pGC, x, y, count, chars);
+ damageRegionProcessPending (pDrawable);
+ DAMAGE_GC_OP_EPILOGUE(pGC, pDrawable);
+}
+
+
+static void
+damageImageGlyphBlt(DrawablePtr pDrawable,
+ GCPtr pGC,
+ int x,
+ int y,
+ unsigned int nglyph,
+ CharInfoPtr *ppci,
+ pointer pglyphBase)
+{
+ DAMAGE_GC_OP_PROLOGUE(pGC, pDrawable);
+ damageDamageChars (pDrawable, pGC->font, x + pDrawable->x, y + pDrawable->y,
+ nglyph, ppci, TRUE, pGC->subWindowMode);
+ (*pGC->ops->ImageGlyphBlt)(pDrawable, pGC, x, y, nglyph,
+ ppci, pglyphBase);
+ damageRegionProcessPending (pDrawable);
+ DAMAGE_GC_OP_EPILOGUE(pGC, pDrawable);
+}
+
+static void
+damagePolyGlyphBlt(DrawablePtr pDrawable,
+ GCPtr pGC,
+ int x,
+ int y,
+ unsigned int nglyph,
+ CharInfoPtr *ppci,
+ pointer pglyphBase)
+{
+ DAMAGE_GC_OP_PROLOGUE(pGC, pDrawable);
+ damageDamageChars (pDrawable, pGC->font, x + pDrawable->x, y + pDrawable->y,
+ nglyph, ppci, FALSE, pGC->subWindowMode);
+ (*pGC->ops->PolyGlyphBlt)(pDrawable, pGC, x, y, nglyph,
+ ppci, pglyphBase);
+ damageRegionProcessPending (pDrawable);
+ DAMAGE_GC_OP_EPILOGUE(pGC, pDrawable);
+}
+
+static void
+damagePushPixels(GCPtr pGC,
+ PixmapPtr pBitMap,
+ DrawablePtr pDrawable,
+ int dx,
+ int dy,
+ int xOrg,
+ int yOrg)
+{
+ DAMAGE_GC_OP_PROLOGUE(pGC, pDrawable);
+ if(checkGCDamage (pDrawable, pGC))
+ {
+ BoxRec box;
+
+ box.x1 = xOrg;
+ box.y1 = yOrg;
+
+ if(!pGC->miTranslate) {
+ box.x1 += pDrawable->x;
+ box.y1 += pDrawable->y;
+ }
+
+ box.x2 = box.x1 + dx;
+ box.y2 = box.y1 + dy;
+
+ TRIM_BOX(box, pGC);
+ if(BOX_NOT_EMPTY(box))
+ damageDamageBox (pDrawable, &box, pGC->subWindowMode);
+ }
+ (*pGC->ops->PushPixels)(pGC, pBitMap, pDrawable, dx, dy, xOrg, yOrg);
+ damageRegionProcessPending (pDrawable);
+ DAMAGE_GC_OP_EPILOGUE(pGC, pDrawable);
+}
+
+static void
+damageRemoveDamage (DamagePtr *pPrev, DamagePtr pDamage)
+{
+ while (*pPrev)
+ {
+ if (*pPrev == pDamage)
+ {
+ *pPrev = pDamage->pNext;
+ return;
+ }
+ pPrev = &(*pPrev)->pNext;
+ }
+#if DAMAGE_VALIDATE_ENABLE
+ ErrorF ("Damage not on list\n");
+ OsAbort ();
+#endif
+}
+
+static void
+damageInsertDamage (DamagePtr *pPrev, DamagePtr pDamage)
+{
+#if DAMAGE_VALIDATE_ENABLE
+ DamagePtr pOld;
+
+ for (pOld = *pPrev; pOld; pOld = pOld->pNext)
+ if (pOld == pDamage) {
+ ErrorF ("Damage already on list\n");
+ OsAbort ();
+ }
+#endif
+ pDamage->pNext = *pPrev;
+ *pPrev = pDamage;
+}
+
+static Bool
+damageDestroyPixmap (PixmapPtr pPixmap)
+{
+ ScreenPtr pScreen = pPixmap->drawable.pScreen;
+ damageScrPriv(pScreen);
+
+ if (pPixmap->refcnt == 1)
+ {
+ DamagePtr *pPrev = getPixmapDamageRef (pPixmap);
+ DamagePtr pDamage;
+
+ while ((pDamage = *pPrev))
+ {
+ damageRemoveDamage (pPrev, pDamage);
+ if (!pDamage->isWindow)
+ DamageDestroy (pDamage);
+ }
+ }
+ unwrap (pScrPriv, pScreen, DestroyPixmap);
+ (*pScreen->DestroyPixmap) (pPixmap);
+ wrap (pScrPriv, pScreen, DestroyPixmap, damageDestroyPixmap);
+ return TRUE;
+}
+
+static void
+damageCopyWindow(WindowPtr pWindow,
+ DDXPointRec ptOldOrg,
+ RegionPtr prgnSrc)
+{
+ ScreenPtr pScreen = pWindow->drawable.pScreen;
+ damageScrPriv(pScreen);
+
+ if (getWindowDamage (pWindow))
+ {
+ int dx = pWindow->drawable.x - ptOldOrg.x;
+ int dy = pWindow->drawable.y - ptOldOrg.y;
+
+ /*
+ * The region comes in source relative, but the damage occurs
+ * at the destination location. Translate back and forth.
+ */
+ REGION_TRANSLATE (pScreen, prgnSrc, dx, dy);
+ damageRegionAppend (&pWindow->drawable, prgnSrc, FALSE, -1);
+ REGION_TRANSLATE (pScreen, 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,
+ {NULL} /* devPrivate */
+};
+
+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 (dixLookupPrivate(&pScreen->devPrivates, damageScrPrivateKey))
+ return TRUE;
+
+ if (!dixRequestPrivate(damageGCPrivateKey, sizeof(DamageGCPrivRec)))
+ 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 = malloc(sizeof (DamageRec));
+ if (!pDamage)
+ return 0;
+ pDamage->pNext = 0;
+ pDamage->pNextWin = 0;
+ REGION_NULL(pScreen, &pDamage->damage);
+ REGION_NULL(pScreen, &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;
+ pDamage->devPrivates = NULL;
+
+ (*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);
+ dixFreePrivates(pDamage->devPrivates);
+ pDamage->devPrivates = NULL;
+ REGION_UNINIT (pScreen, &pDamage->damage);
+ REGION_UNINIT (pScreen, &pDamage->pendingDamage);
+ free(pDamage);
+}
+
+Bool
+DamageSubtract (DamagePtr pDamage,
+ const RegionPtr pRegion)
+{
+ RegionPtr pClip;
+ RegionRec pixmapClip;
+ DrawablePtr pDrawable = pDamage->pDrawable;
+
+ REGION_SUBTRACT (pDrawable->pScreen, &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;
+ REGION_INIT (pDrawable->pScreen, &pixmapClip, &box, 1);
+ pClip = &pixmapClip;
+ }
+ REGION_TRANSLATE (pDrawable->pScreen, &pDamage->damage, pDrawable->x, pDrawable->y);
+ REGION_INTERSECT (pDrawable->pScreen, &pDamage->damage, &pDamage->damage, pClip);
+ REGION_TRANSLATE (pDrawable->pScreen, &pDamage->damage, -pDrawable->x, -pDrawable->y);
+ if (pDrawable->type != DRAWABLE_WINDOW)
+ REGION_UNINIT(pDrawable->pScreen, &pixmapClip);
+ }
+ return REGION_NOTEMPTY (pDrawable->pScreen, &pDamage->damage);
+}
+
+void
+DamageEmpty (DamagePtr pDamage)
+{
+ REGION_EMPTY (pDamage->pDrawable->pScreen, &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;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-26 05:30:43 +0000