static void
FreeLayerList (ScreenPtr pScreen, LayerListPtr pLayList)
{
REGION_UNINIT (pScreen, &pLayList->clipList);
REGION_UNINIT (pScreen, &pLayList->borderClip);
xfree (pLayList);
}
/**
* Vertically invert a region.
*/
static void
InvertRegion(RegionPtr reg, int height)
{
const BoxPtr b = REGION_RECTS(reg);
const int n = REGION_NUM_RECTS(reg);
int i;
RegionRec newRegion;
miRegionInit(&newRegion, NULL, 0);
CRASSERT(miValidRegion(reg));
for (i = 0; i < n; i++) {
BoxRec invBox;
RegionRec invReg;
invBox.x1 = b[i].x1;
invBox.y1 = height - b[i].y2;
invBox.x2 = b[i].x2;
invBox.y2 = height - b[i].y1;
CRASSERT(invBox.y1 <= invBox.y2);
miRegionInit(&invReg, &invBox, 1);
REGION_UNION(&newRegion, &newRegion, &invReg);
REGION_UNINIT(&invReg);
}
CRASSERT(miValidRegion(&newRegion));
REGION_COPY(reg, &newRegion);
REGION_UNINIT(&newRegion);
}
static void
xf86CrtcDamageShadow (xf86CrtcPtr crtc)
{
ScrnInfoPtr pScrn = crtc->scrn;
BoxRec damage_box;
RegionRec damage_region;
ScreenPtr pScreen = pScrn->pScreen;
damage_box.x1 = 0;
damage_box.x2 = crtc->mode.HDisplay;
damage_box.y1 = 0;
damage_box.y2 = crtc->mode.VDisplay;
if (!pixman_transform_bounds (&crtc->crtc_to_framebuffer, &damage_box))
{
damage_box.x1 = 0;
damage_box.y1 = 0;
damage_box.x2 = pScreen->width;
damage_box.y2 = pScreen->height;
}
if (damage_box.x1 < 0) damage_box.x1 = 0;
if (damage_box.y1 < 0) damage_box.y1 = 0;
if (damage_box.x2 > pScreen->width) damage_box.x2 = pScreen->width;
if (damage_box.y2 > pScreen->height) damage_box.y2 = pScreen->height;
REGION_INIT (pScreen, &damage_region, &damage_box, 1);
DamageRegionAppend (&(*pScreen->GetScreenPixmap)(pScreen)->drawable,
&damage_region);
REGION_UNINIT (pScreen, &damage_region);
crtc->shadowClear = TRUE;
}
void
xglAddCurrentSurfaceDamage (DrawablePtr pDrawable)
{
XGL_DRAWABLE_PIXMAP_PRIV (pDrawable);
if (BOX_NOTEMPTY (&pPixmapPriv->damageBox))
{
RegionRec region;
REGION_INIT (pDrawable->pScreen, ®ion, &pPixmapPriv->damageBox, 1);
if (pPixmapPriv->pDamage)
{
RegionPtr pDamageRegion;
pDamageRegion = DamageRegion (pPixmapPriv->pDamage);
REGION_UNION (pDrawable->pScreen,
pDamageRegion, pDamageRegion,
®ion);
}
REGION_UNION (pDrawable->pScreen,
&pPixmapPriv->bitRegion, &pPixmapPriv->bitRegion,
®ion);
REGION_UNINIT (pDrawable->pScreen, ®ion);
pPixmapPriv->damageBox = miEmptyBox;
}
}
/*
* Destroy a layer. The layer must not contain any windows.
*/
void
LayerDestroy (ScreenPtr pScreen, LayerPtr pLay)
{
layerScrPriv(pScreen);
LayerPtr *pPrev;
--pLay->refcnt;
if (pLay->refcnt > 0)
return;
/*
* Unhook the layer from the list
*/
for (pPrev = &pLayScr->pLayers; *pPrev; pPrev = &(*pPrev)->pNext)
if (*pPrev == pLay)
{
*pPrev = pLay->pNext;
break;
}
/*
* Free associated storage
*/
LayerDestroyPixmap (pScreen, pLay);
REGION_UNINIT (pScreen, &pLay->region);
xfree (pLay);
}
void
fbCopyWindow(WindowPtr pWin,
DDXPointRec ptOldOrg,
RegionPtr prgnSrc)
{
RegionRec rgnDst;
int dx, dy;
WindowPtr pwinRoot;
pwinRoot = WindowTable[pWin->drawable.pScreen->myNum];
dx = ptOldOrg.x - pWin->drawable.x;
dy = ptOldOrg.y - pWin->drawable.y;
REGION_TRANSLATE(pWin->drawable.pScreen, prgnSrc, -dx, -dy);
REGION_NULL (pWin->drawable.pScreen, &rgnDst);
REGION_INTERSECT(pWin->drawable.pScreen, &rgnDst, &pWin->borderClip, prgnSrc);
fbCopyRegion ((DrawablePtr)pwinRoot, (DrawablePtr)pwinRoot,
0,
&rgnDst, dx, dy, fbCopyWindowProc, 0, 0);
REGION_UNINIT(pWin->drawable.pScreen, &rgnDst);
fbValidateDrawable (&pWin->drawable);
}
static void
ExaSrcValidate(DrawablePtr pDrawable,
int x,
int y,
int width,
int height)
{
ScreenPtr pScreen = pDrawable->pScreen;
ExaScreenPriv(pScreen);
PixmapPtr pPix = exaGetDrawablePixmap (pDrawable);
BoxRec box;
RegionRec reg;
RegionPtr dst;
int xoff, yoff;
exaGetDrawableDeltas(pDrawable, pPix, &xoff, &yoff);
box.x1 = x + xoff;
box.y1 = y + yoff;
box.x2 = box.x1 + width;
box.y2 = box.y1 + height;
dst = (pExaScr->srcPix == pPix) ? &pExaScr->srcReg :
&pExaScr->maskReg;
REGION_INIT(pScreen, ®, &box, 1);
REGION_UNION(pScreen, dst, dst, ®);
REGION_UNINIT(pScreen, ®);
if (pExaScr->SavedSourceValidate) {
swap(pExaScr, pScreen, SourceValidate);
pScreen->SourceValidate(pDrawable, x, y, width, height);
swap(pExaScr, pScreen, SourceValidate);
}
}
static void
ExaFallbackPrepareReg(DrawablePtr pDrawable,
GCPtr pGC,
int x, int y, int width, int height,
int index, Bool checkReads)
{
ScreenPtr pScreen = pDrawable->pScreen;
ExaScreenPriv(pScreen);
if (pExaScr->prepare_access_reg &&
!(checkReads && exaGCReadsDestination(pDrawable,
pGC->planemask,
pGC->fillStyle,
pGC->alu,
pGC->clientClipType))) {
BoxRec box;
RegionRec reg;
int xoff, yoff;
PixmapPtr pPixmap = exaGetDrawablePixmap(pDrawable);
exaGetDrawableDeltas(pDrawable, pPixmap, &xoff, &yoff);
box.x1 = pDrawable->x + x + xoff;
box.y1 = pDrawable->y + y + yoff;
box.x2 = box.x1 + width;
box.y2 = box.y1 + height;
REGION_INIT(pScreen, ®, &box, 1);
pExaScr->prepare_access_reg(pPixmap, index, ®);
REGION_UNINIT(pScreen, ®);
} else
exaPrepareAccess(pDrawable, index);
}
static void
kaaCopyWindow(WindowPtr pWin, DDXPointRec ptOldOrg, RegionPtr prgnSrc)
{
RegionRec rgnDst;
int dx, dy;
PixmapPtr pPixmap = (*pWin->drawable.pScreen->GetWindowPixmap) (pWin);
dx = ptOldOrg.x - pWin->drawable.x;
dy = ptOldOrg.y - pWin->drawable.y;
REGION_TRANSLATE(pWin->drawable.pScreen, prgnSrc, -dx, -dy);
REGION_INIT (pWin->drawable.pScreen, &rgnDst, NullBox, 0);
REGION_INTERSECT(pWin->drawable.pScreen, &rgnDst, &pWin->borderClip, prgnSrc);
#ifdef COMPOSITE
if (pPixmap->screen_x || pPixmap->screen_y)
REGION_TRANSLATE (pWin->drawable.pScreen, &rgnDst,
-pPixmap->screen_x, -pPixmap->screen_y);
#endif
fbCopyRegion (&pPixmap->drawable, &pPixmap->drawable,
0,
&rgnDst, dx, dy, kaaCopyNtoN, 0, 0);
REGION_UNINIT(pWin->drawable.pScreen, &rgnDst);
}
static void
localFreeOffscreenArea(FBAreaPtr area)
{
FBManagerPtr offman;
FBLinkPtr pLink, pLinkPrev = NULL;
RegionRec FreedRegion;
ScreenPtr pScreen;
pScreen = area->pScreen;
offman = pScreen->devPrivates[xf86FBScreenIndex].ptr;
pLink = offman->UsedAreas;
if(!pLink) return;
while(&(pLink->area) != area) {
pLinkPrev = pLink;
pLink = pLink->next;
if(!pLink) return;
}
/* put the area back into the pool */
REGION_INIT(pScreen, &FreedRegion, &(pLink->area.box), 1);
REGION_UNION(pScreen, offman->FreeBoxes, offman->FreeBoxes, &FreedRegion);
REGION_UNINIT(pScreen, &FreedRegion);
if(pLinkPrev)
pLinkPrev->next = pLink->next;
else offman->UsedAreas = pLink->next;
xfree(pLink);
offman->NumUsedAreas--;
SendCallFreeBoxCallbacks(offman);
}
void
fbCopyWindow(WindowPtr pWin,
DDXPointRec ptOldOrg,
RegionPtr prgnSrc)
{
RegionRec rgnDst;
int dx, dy;
PixmapPtr pPixmap = fbGetWindowPixmap (pWin);
DrawablePtr pDrawable = &pPixmap->drawable;
dx = ptOldOrg.x - pWin->drawable.x;
dy = ptOldOrg.y - pWin->drawable.y;
REGION_TRANSLATE(pWin->drawable.pScreen, prgnSrc, -dx, -dy);
REGION_NULL (pWin->drawable.pScreen, &rgnDst);
REGION_INTERSECT(pWin->drawable.pScreen, &rgnDst, &pWin->borderClip, prgnSrc);
#ifdef COMPOSITE
if (pPixmap->screen_x || pPixmap->screen_y)
REGION_TRANSLATE (pWin->drawable.pScreen, &rgnDst,
-pPixmap->screen_x, -pPixmap->screen_y);
#endif
fbCopyRegion (pDrawable, pDrawable,
0,
&rgnDst, dx, dy, fbCopyWindowProc, 0, 0);
REGION_UNINIT(pWin->drawable.pScreen, &rgnDst);
fbValidateDrawable (&pWin->drawable);
}
void
xglAddCurrentBitDamage (DrawablePtr pDrawable)
{
XGL_DRAWABLE_PIXMAP_PRIV (pDrawable);
if (REGION_NOTEMPTY (pDrawable->pScreen, &pPixmapPriv->bitRegion))
{
BoxPtr pBitExt;
pBitExt = REGION_EXTENTS (pDrawable->pScreen, &pPixmapPriv->bitRegion);
if (pPixmapPriv->damageBox.x1 < pBitExt->x2 &&
pPixmapPriv->damageBox.y1 < pBitExt->y2 &&
pPixmapPriv->damageBox.x2 > pBitExt->x1 &&
pPixmapPriv->damageBox.y2 > pBitExt->y1)
{
REGION_UNINIT (pDrawable->pScreen, &pPixmapPriv->bitRegion);
REGION_INIT (pDrawable->pScreen, &pPixmapPriv->bitRegion,
NullBox, 0);
pPixmapPriv->allBits = FALSE;
}
}
pPixmapPriv->damageBox = miEmptyBox;
}
/**
* exaPixmapDirty() marks a pixmap as dirty, allowing for
* optimizations in pixmap migration when no changes have occurred.
*/
void
exaPixmapDirty (PixmapPtr pPix, int x1, int y1, int x2, int y2)
{
ExaPixmapPriv(pPix);
BoxRec box;
RegionPtr pDamageReg;
RegionRec region;
if (!pExaPixmap)
return;
box.x1 = max(x1, 0);
box.y1 = max(y1, 0);
box.x2 = min(x2, pPix->drawable.width);
box.y2 = min(y2, pPix->drawable.height);
if (box.x1 >= box.x2 || box.y1 >= box.y2)
return;
pDamageReg = DamageRegion(pExaPixmap->pDamage);
REGION_INIT(pScreen, ®ion, &box, 1);
REGION_UNION(pScreen, pDamageReg, pDamageReg, ®ion);
REGION_UNINIT(pScreen, ®ion);
}
/*
* Free one of the per-client per-window resources, clearing
* redirect and the per-window pointer as appropriate
*/
void
compFreeClientWindow (WindowPtr pWin, XID id)
{
CompWindowPtr cw = GetCompWindow (pWin);
CompClientWindowPtr ccw, *prev;
Bool wasMapped = pWin->mapped;
if (!cw)
return;
for (prev = &cw->clients; (ccw = *prev); prev = &ccw->next)
{
if (ccw->id == id)
{
*prev = ccw->next;
if (ccw->update == CompositeRedirectManual)
cw->update = CompositeRedirectAutomatic;
xfree (ccw);
break;
}
}
if (!cw->clients)
{
if (wasMapped)
{
DisableMapUnmapEvents (pWin);
UnmapWindow (pWin, FALSE);
EnableMapUnmapEvents (pWin);
}
if (pWin->redirectDraw != RedirectDrawNone)
compFreePixmap (pWin);
if (cw->damage)
DamageDestroy (cw->damage);
REGION_UNINIT (pScreen, &cw->borderClip);
dixSetPrivate(&pWin->devPrivates, CompWindowPrivateKey, NULL);
xfree (cw);
}
else if (cw->update == CompositeRedirectAutomatic &&
!cw->damageRegistered && pWin->redirectDraw != RedirectDrawNone)
{
DamageRegister (&pWin->drawable, cw->damage);
cw->damageRegistered = TRUE;
pWin->redirectDraw = RedirectDrawAutomatic;
DamageRegionAppend(&pWin->drawable, &pWin->borderSize);
}
if (wasMapped && !pWin->mapped)
{
Bool overrideRedirect = pWin->overrideRedirect;
pWin->overrideRedirect = TRUE;
DisableMapUnmapEvents (pWin);
MapWindow (pWin, clients[CLIENT_ID(id)]);
EnableMapUnmapEvents (pWin);
pWin->overrideRedirect = overrideRedirect;
}
}
void
ExaCheckCopyNtoN (DrawablePtr pSrc, DrawablePtr pDst, GCPtr pGC,
BoxPtr pbox, int nbox, int dx, int dy, Bool reverse,
Bool upsidedown, Pixel bitplane, void *closure)
{
RegionRec reg;
int xoff, yoff;
EXA_PRE_FALLBACK_GC(pGC);
EXA_FALLBACK(("from %p to %p (%c,%c)\n", pSrc, pDst,
exaDrawableLocation(pSrc), exaDrawableLocation(pDst)));
if (pExaScr->prepare_access_reg) {
PixmapPtr pPixmap = exaGetDrawablePixmap(pSrc);
exaGetDrawableDeltas(pSrc, pPixmap, &xoff, &yoff);
REGION_INIT(pScreen, ®, pbox, nbox);
REGION_TRANSLATE(pScreen, ®, xoff + dx, yoff + dy);
pExaScr->prepare_access_reg(pPixmap, EXA_PREPARE_SRC, ®);
REGION_UNINIT(pScreen, ®);
} else
exaPrepareAccess (pSrc, EXA_PREPARE_SRC);
if (pExaScr->prepare_access_reg &&
!exaGCReadsDestination(pDst, pGC->planemask, pGC->fillStyle,
pGC->alu, pGC->clientClipType)) {
PixmapPtr pPixmap = exaGetDrawablePixmap(pDst);
exaGetDrawableDeltas(pSrc, pPixmap, &xoff, &yoff);
REGION_INIT(pScreen, ®, pbox, nbox);
REGION_TRANSLATE(pScreen, ®, xoff, yoff);
pExaScr->prepare_access_reg(pPixmap, EXA_PREPARE_DEST, ®);
REGION_UNINIT(pScreen, ®);
} else
exaPrepareAccess (pDst, EXA_PREPARE_DEST);
/* This will eventually call fbCopyNtoN, with some calculation overhead. */
while (nbox--) {
pGC->ops->CopyArea (pSrc, pDst, pGC, pbox->x1 - pSrc->x + dx, pbox->y1 - pSrc->y + dy,
pbox->x2 - pbox->x1, pbox->y2 - pbox->y1, pbox->x1 - pDst->x, pbox->y1 - pDst->y);
pbox++;
}
exaFinishAccess (pSrc, EXA_PREPARE_SRC);
exaFinishAccess (pDst, EXA_PREPARE_DEST);
EXA_POST_FALLBACK_GC(pGC);
}
static void
xglFillBox (DrawablePtr pDrawable,
GCPtr pGC,
int x,
int y,
int width,
int height,
BoxPtr pBox,
int nBox)
{
if (!nBox)
return;
if (!xglFill (pDrawable, pGC, NULL, x, y, width, height, pBox, nBox))
{
RegionRec region;
XGL_DRAWABLE_PIXMAP (pDrawable);
XGL_PIXMAP_PRIV (pPixmap);
if (!xglMapPixmapBits (pPixmap))
FatalError (XGL_SW_FAILURE_STRING);
switch (pGC->fillStyle) {
case FillSolid:
break;
case FillStippled:
case FillOpaqueStippled:
if (!xglSyncBits (&pGC->stipple->drawable, NullBox))
FatalError (XGL_SW_FAILURE_STRING);
break;
case FillTiled:
if (!xglSyncBits (&pGC->tile.pixmap->drawable, NullBox))
FatalError (XGL_SW_FAILURE_STRING);
break;
}
pPixmapPriv->damageBox = miEmptyBox;
while (nBox--)
{
fbFill (pDrawable, pGC,
pBox->x1, pBox->y1,
pBox->x2 - pBox->x1, pBox->y2 - pBox->y1);
REGION_INIT (pDrawable->pScreen, ®ion, pBox, 1);
xglAddSurfaceDamage (pDrawable, ®ion);
REGION_UNINIT (pDrawable->pScreen, ®ion);
pBox++;
}
} else
xglAddCurrentBitDamage (pDrawable);
}
void
xglPutImage (DrawablePtr pDrawable,
GCPtr pGC,
int depth,
int x,
int y,
int w,
int h,
int leftPad,
int format,
char *bits)
{
XGL_GC_PRIV (pGC);
if (pGC->alu != GXcopy || (pGCPriv->flags & xglGCPlaneMaskFlag))
{
XGL_GC_OP_FALLBACK_PROLOGUE (pDrawable);
(*pGC->ops->PutImage) (pDrawable, pGC, depth,
x, y, w, h, leftPad, format, bits);
XGL_GC_OP_FALLBACK_EPILOGUE (pDrawable);
}
else
{
RegionPtr pClip = pGC->pCompositeClip;
RegionRec region;
BoxRec box;
XGL_DRAWABLE_PIXMAP (pDrawable);
if (!xglMapPixmapBits (pPixmap))
FatalError (XGL_SW_FAILURE_STRING);
XGL_GC_UNWRAP (funcs);
XGL_GC_UNWRAP (ops);
(*pGC->ops->PutImage) (pDrawable, pGC, depth,
x, y, w, h, leftPad, format, bits);
XGL_GC_WRAP (funcs, (GCFuncs *) &xglGCFuncs);
XGL_GC_WRAP (ops, (GCOps *) &xglGCOps);
box.x1 = pDrawable->x + x;
box.y1 = pDrawable->y + y;
box.x2 = box.x1 + w;
box.y2 = box.y1 + h;
REGION_INIT (pDrawable->pScreen, ®ion, &box, 1);
REGION_INTERSECT (pDrawable->pScreen, ®ion, pClip, ®ion);
xglAddSurfaceDamage (pDrawable, ®ion);
REGION_UNINIT (pDrawable->pScreen, ®ion);
}
}
/**
* Append given rectangle to the client's list of dirty regions.
*/
void fn_client_add_rect(AIO_SLOT *slot, FB_RECT *rect)
{
CL_SLOT *cl = (CL_SLOT *)slot;
RegionRec add_region;
BoxRec add_rect;
int stored;
int dx, dy;
if (!cl->connected || cl->newfbsize_pending)
return;
/* If the framebuffer geometry has been changed, then we don't care
about pending pixel updates any more, because all clients will
want to update the whole framebuffer. */
if (g_screen_info.width != cl->fb_width ||
g_screen_info.height != cl->fb_height) {
cl->newfbsize_pending = 1;
REGION_EMPTY(&cl->pending_region);
REGION_EMPTY(&cl->copy_region);
return;
}
add_rect.x1 = rect->x;
add_rect.y1 = rect->y;
add_rect.x2 = add_rect.x1 + rect->w;
add_rect.y2 = add_rect.y1 + rect->h;
REGION_INIT(&add_region, &add_rect, 4);
/* FIXME: Currently, CopyRect is stored in copy_region only if there
were no other non-CopyRect updates pending for this client.
Normally, that's ok, because VNC servers send CopyRect rectangles
before non-CopyRect ones, but of course more elegant and
efficient handling could be possible to implement here. */
stored = 0;
if (rect->enc == RFB_ENCODING_COPYRECT &&
cl->enc_enable[RFB_ENCODING_COPYRECT] &&
!REGION_NOTEMPTY(&cl->pending_region)) {
dx = rect->x - rect->src_x;
dy = rect->y - rect->src_y;
if (!REGION_NOTEMPTY(&cl->copy_region) ||
(dx == cl->copy_dx && dy == cl->copy_dy)) {
REGION_UNION(&cl->copy_region, &cl->copy_region, &add_region);
cl->copy_dx = dx;
cl->copy_dy = dy;
stored = 1;
}
}
if (!stored)
REGION_UNION(&cl->pending_region, &cl->pending_region, &add_region);
REGION_UNINIT(&add_region);
}
void
cfbCopyWindow(WindowPtr pWin, DDXPointRec ptOldOrg, RegionPtr prgnSrc)
{
DDXPointPtr pptSrc;
DDXPointPtr ppt;
RegionRec rgnDst;
BoxPtr pbox;
int dx, dy;
int i, nbox;
WindowPtr pwinRoot;
pwinRoot = WindowTable[pWin->drawable.pScreen->myNum];
REGION_NULL(pWin->drawable.pScreen, &rgnDst);
dx = ptOldOrg.x - pWin->drawable.x;
dy = ptOldOrg.y - pWin->drawable.y;
REGION_TRANSLATE(pWin->drawable.pScreen, prgnSrc, -dx, -dy);
REGION_INTERSECT(pWin->drawable.pScreen, &rgnDst, &pWin->borderClip, prgnSrc);
pbox = REGION_RECTS(&rgnDst);
nbox = REGION_NUM_RECTS(&rgnDst);
if(!nbox || !(pptSrc = (DDXPointPtr )ALLOCATE_LOCAL(nbox * sizeof(DDXPointRec))))
{
REGION_UNINIT(pWin->drawable.pScreen, &rgnDst);
return;
}
ppt = pptSrc;
for (i = nbox; --i >= 0; ppt++, pbox++)
{
ppt->x = pbox->x1 + dx;
ppt->y = pbox->y1 + dy;
}
cfbDoBitbltCopy((DrawablePtr)pwinRoot, (DrawablePtr)pwinRoot,
GXcopy, &rgnDst, pptSrc, ~0L);
DEALLOCATE_LOCAL(pptSrc);
REGION_UNINIT(pWin->drawable.pScreen, &rgnDst);
}
/**
* Union the window's accum-dirty and prev-accum-dirty regions with the
* incoming region.
* Called by crHashtableWalk() via vncspuGetScreenRects().
*/
static void
WindowDirtyUnionCB(unsigned long key, void *windowData, void *regionData)
{
WindowInfo *window = (WindowInfo *) windowData;
RegionPtr regionUnion = (RegionPtr) regionData;
RegionRec accumScrn; /* accumulated region, in screen coords */
Bool overlap;
miRegionInit(&accumScrn, NULL, 0); /* init local var */
CRASSERT(miValidRegion(&window->accumDirtyRegion));
CRASSERT(miValidRegion(&window->prevAccumDirtyRegion));
/*
crDebug("accum area: %d prev accum: %d",
miRegionArea(&window->accumDirtyRegion),
miRegionArea(&window->prevAccumDirtyRegion));
*/
/* at first, accumScrn region is in window coords */
REGION_UNION(&accumScrn,
&window->accumDirtyRegion,
&window->prevAccumDirtyRegion);
/* intersect with window bounds */
REGION_INTERSECT(&accumScrn,
&accumScrn,
&window->clipRegion);
REGION_VALIDATE(&accumScrn, &overlap);
/* change y=0=bottom to y=0=top */
InvertRegion(&accumScrn, window->height ? window->height : 1);
if (REGION_NUM_RECTS(&accumScrn) == 1 &&
accumScrn.extents.x1 == 0 &&
accumScrn.extents.y1 == 0 &&
accumScrn.extents.x2 == 1 &&
accumScrn.extents.y2 == 1) {
/* empty / sentinal region */
}
else {
/* add window offset */
miTranslateRegion(&accumScrn, window->xPos, window->yPos);
}
/* now, accumScrn region is in screen coords */
REGION_UNION(regionUnion, regionUnion, &accumScrn);
REGION_UNINIT(&accumScrn); /* done with local var */
}
/**
* Close function (called when client goes away)
*/
static void cf_client(void)
{
CL_SLOT *cl = (CL_SLOT *)cur_slot;
int i;
if (cur_slot->errread_f) {
if (cur_slot->io_errno) {
log_write(LL_WARN, "Error reading from %s: %s",
cur_slot->name, strerror(cur_slot->io_errno));
} else {
log_write(LL_WARN, "Error reading from %s", cur_slot->name);
}
} else if (cur_slot->errwrite_f) {
if (cur_slot->io_errno) {
log_write(LL_WARN, "Error sending to %s: %s",
cur_slot->name, strerror(cur_slot->io_errno));
} else {
log_write(LL_WARN, "Error sending to %s", cur_slot->name);
}
} else if (cur_slot->errio_f) {
log_write(LL_WARN, "I/O error, client %s", cur_slot->name);
}
log_write(LL_MSG, "Closing client connection %s", cur_slot->name);
/* Free region structures. */
REGION_UNINIT(&cl->pending_region);
REGION_UNINIT(&cl->copy_region);
/* Free zlib streams.
FIXME: Maybe put cleanup function in encoder. */
for (i = 0; i < 4; i++) {
if (cl->zs_active[i])
deflateEnd(&cl->zs_struct[i]);
}
/* Free dynamically allocated memory. */
if (cl->trans_table != NULL)
free(cl->trans_table);
}
static Bool
xf86RotateRedisplay(ScreenPtr pScreen)
{
ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(pScrn);
DamagePtr damage = xf86_config->rotation_damage;
RegionPtr region;
if (!damage)
return FALSE;
xf86RotatePrepare (pScreen);
region = DamageRegion(damage);
if (REGION_NOTEMPTY(pScreen, region))
{
int c;
SourceValidateProcPtr SourceValidate;
/*
* SourceValidate is used by the software cursor code
* to pull the cursor off of the screen when reading
* bits from the frame buffer. Bypassing this function
* leaves the software cursor in place
*/
SourceValidate = pScreen->SourceValidate;
pScreen->SourceValidate = NULL;
for (c = 0; c < xf86_config->num_crtc; c++)
{
xf86CrtcPtr crtc = xf86_config->crtc[c];
if (crtc->rotation != RR_Rotate_0 && crtc->enabled)
{
RegionRec crtc_damage;
/* compute portion of damage that overlaps crtc */
REGION_INIT(pScreen, &crtc_damage, &crtc->bounds, 1);
REGION_INTERSECT (pScreen, &crtc_damage, &crtc_damage, region);
/* update damaged region */
if (REGION_NOTEMPTY(pScreen, &crtc_damage))
xf86RotateCrtcRedisplay (crtc, &crtc_damage);
REGION_UNINIT (pScreen, &crtc_damage);
}
}
pScreen->SourceValidate = SourceValidate;
DamageEmpty(damage);
}
return TRUE;
}
static void
ShadowCopyWindow(
WindowPtr pWin,
DDXPointRec ptOldOrg,
RegionPtr prgn
){
ScreenPtr pScreen = pWin->drawable.pScreen;
ShadowScreenPtr pPriv = GET_SCREEN_PRIVATE(pScreen);
int num = 0;
RegionRec rgnDst;
if (pPriv->vtSema) {
REGION_NULL(pWin->drawable.pScreen, &rgnDst);
REGION_COPY(pWin->drawable.pScreen, &rgnDst, prgn);
REGION_TRANSLATE(pWin->drawable.pScreen, &rgnDst,
pWin->drawable.x - ptOldOrg.x,
pWin->drawable.y - ptOldOrg.y);
REGION_INTERSECT(pScreen, &rgnDst, &pWin->borderClip, &rgnDst);
if ((num = REGION_NUM_RECTS(&rgnDst))) {
if(pPriv->preRefresh)
(*pPriv->preRefresh)(pPriv->pScrn, num, REGION_RECTS(&rgnDst));
} else {
REGION_UNINIT(pWin->drawable.pScreen, &rgnDst);
}
}
pScreen->CopyWindow = pPriv->CopyWindow;
(*pScreen->CopyWindow) (pWin, ptOldOrg, prgn);
pScreen->CopyWindow = ShadowCopyWindow;
if (num) {
if (pPriv->postRefresh)
(*pPriv->postRefresh)(pPriv->pScrn, num, REGION_RECTS(&rgnDst));
REGION_UNINIT(pWin->drawable.pScreen, &rgnDst);
}
}
Bool
xf86InitFBManager(
ScreenPtr pScreen,
BoxPtr FullBox
){
ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
RegionRec ScreenRegion;
RegionRec FullRegion;
BoxRec ScreenBox;
Bool ret;
ScreenBox.x1 = 0;
ScreenBox.y1 = 0;
ScreenBox.x2 = pScrn->virtualX;
ScreenBox.y2 = pScrn->virtualY;
if((FullBox->x1 > ScreenBox.x1) || (FullBox->y1 > ScreenBox.y1) ||
(FullBox->x2 < ScreenBox.x2) || (FullBox->y2 < ScreenBox.y2)) {
return FALSE;
}
if (FullBox->y2 < FullBox->y1) return FALSE;
if (FullBox->x2 < FullBox->x2) return FALSE;
REGION_INIT(pScreen, &ScreenRegion, &ScreenBox, 1);
REGION_INIT(pScreen, &FullRegion, FullBox, 1);
REGION_SUBTRACT(pScreen, &FullRegion, &FullRegion, &ScreenRegion);
ret = xf86InitFBManagerRegion(pScreen, &FullRegion);
REGION_UNINIT(pScreen, &ScreenRegion);
REGION_UNINIT(pScreen, &FullRegion);
return ret;
}
/*****
* miHandleValidateExposures(pWin)
* starting at pWin, draw background in any windows that have exposure
* regions, translate the regions, restore any backing store,
* and then send any regions still exposed to the client
*****/
void
miHandleValidateExposures(WindowPtr pWin)
{
WindowPtr pChild;
ValidatePtr val;
ScreenPtr pScreen;
WindowExposuresProcPtr WindowExposures;
pScreen = pWin->drawable.pScreen;
pChild = pWin;
WindowExposures = pChild->drawable.pScreen->WindowExposures;
while (1)
{
if ( (val = pChild->valdata) )
{
if (REGION_NOTEMPTY(pScreen, &val->after.borderExposed))
miPaintWindow(pChild, &val->after.borderExposed, PW_BORDER);
REGION_UNINIT(pScreen, &val->after.borderExposed);
(*WindowExposures)(pChild, &val->after.exposed, NullRegion);
REGION_UNINIT(pScreen, &val->after.exposed);
xfree(val);
pChild->valdata = NULL;
if (pChild->firstChild)
{
pChild = pChild->firstChild;
continue;
}
}
while (!pChild->nextSib && (pChild != pWin))
pChild = pChild->parent;
if (pChild == pWin)
break;
pChild = pChild->nextSib;
}
}
static Bool
shadowCloseScreen(int i, ScreenPtr pScreen)
{
shadowBuf(pScreen);
unwrap(pBuf, pScreen, GetImage);
unwrap(pBuf, pScreen, CloseScreen);
shadowRemove(pScreen, pBuf->pPixmap);
DamageDestroy(pBuf->pDamage);
#ifdef BACKWARDS_COMPATIBILITY
REGION_UNINIT(pScreen, &pBuf->damage); /* bc */
#endif
if (pBuf->pPixmap)
pScreen->DestroyPixmap(pBuf->pPixmap);
xfree(pBuf);
return pScreen->CloseScreen(i, pScreen);
}
static void
xf86CrtcDamageShadow (xf86CrtcPtr crtc)
{
ScrnInfoPtr pScrn = crtc->scrn;
BoxRec damage_box;
RegionRec damage_region;
ScreenPtr pScreen = pScrn->pScreen;
damage_box.x1 = crtc->x;
damage_box.x2 = crtc->x + xf86ModeWidth (&crtc->mode, crtc->rotation);
damage_box.y1 = crtc->y;
damage_box.y2 = crtc->y + xf86ModeHeight (&crtc->mode, crtc->rotation);
REGION_INIT (pScreen, &damage_region, &damage_box, 1);
DamageDamageRegion (&(*pScreen->GetScreenPixmap)(pScreen)->drawable,
&damage_region);
REGION_UNINIT (pScreen, &damage_region);
}
static Bool
localPurgeUnlockedOffscreenAreas(ScreenPtr pScreen)
{
FBManagerPtr offman;
FBLinkPtr pLink, tmp, pPrev = NULL;
RegionRec FreedRegion;
Bool anyUsed = FALSE;
offman = pScreen->devPrivates[xf86FBScreenIndex].ptr;
pLink = offman->UsedAreas;
if(!pLink) return TRUE;
while(pLink) {
if(pLink->area.RemoveAreaCallback) {
(*pLink->area.RemoveAreaCallback)(&pLink->area);
REGION_INIT(pScreen, &FreedRegion, &(pLink->area.box), 1);
REGION_APPEND(pScreen, offman->FreeBoxes, &FreedRegion);
REGION_UNINIT(pScreen, &FreedRegion);
if(pPrev)
pPrev->next = pLink->next;
else offman->UsedAreas = pLink->next;
tmp = pLink;
pLink = pLink->next;
xfree(tmp);
offman->NumUsedAreas--;
anyUsed = TRUE;
} else {
pPrev = pLink;
pLink = pLink->next;
}
}
if(anyUsed) {
REGION_VALIDATE(pScreen, offman->FreeBoxes, &anyUsed);
SendCallFreeBoxCallbacks(offman);
}
return TRUE;
}
static void
xf86RotateRedisplay(ScreenPtr pScreen)
{
ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(pScrn);
DamagePtr damage = xf86_config->rotation_damage;
RegionPtr region;
if (!damage)
return;
xf86RotatePrepare (pScreen);
region = DamageRegion(damage);
if (REGION_NOTEMPTY(pScreen, region))
{
int c;
for (c = 0; c < xf86_config->num_crtc; c++)
{
xf86CrtcPtr crtc = xf86_config->crtc[c];
if (crtc->rotation != RR_Rotate_0)
{
BoxRec box;
RegionRec crtc_damage;
/* compute portion of damage that overlaps crtc */
box.x1 = crtc->x;
box.x2 = crtc->x + xf86ModeWidth (&crtc->mode, crtc->rotation);
box.y1 = crtc->y;
box.y2 = crtc->y + xf86ModeHeight (&crtc->mode, crtc->rotation);
REGION_INIT(pScreen, &crtc_damage, &box, 1);
REGION_INTERSECT (pScreen, &crtc_damage, &crtc_damage, region);
/* update damaged region */
if (REGION_NOTEMPTY(pScreen, &crtc_damage))
xf86RotateCrtcRedisplay (crtc, &crtc_damage);
REGION_UNINIT (pScreen, &crtc_damage);
}
}
DamageEmpty(damage);
}
}
void
xglAddBitDamage (DrawablePtr pDrawable,
RegionPtr pRegion)
{
XGL_DRAWABLE_PIXMAP_PRIV (pDrawable);
if (REGION_NOTEMPTY (pDrawable->pScreen, &pPixmapPriv->bitRegion))
{
BoxPtr pBox;
BoxPtr pExt, pBitExt;
int nBox;
pBox = REGION_RECTS (pRegion);
pExt = REGION_EXTENTS (pDrawable->pScreen, pRegion);
nBox = REGION_NUM_RECTS (pRegion);
pBitExt = REGION_EXTENTS (pDrawable->pScreen, &pPixmapPriv->bitRegion);
if (pExt->x1 < pBitExt->x2 &&
pExt->y1 < pBitExt->y2 &&
pExt->x2 > pBitExt->x1 &&
pExt->y2 > pBitExt->y1)
{
while (nBox--)
{
if (pBox->x1 < pBitExt->x2 &&
pBox->y1 < pBitExt->y2 &&
pBox->x2 > pBitExt->x1 &&
pBox->y2 > pBitExt->y1)
{
REGION_UNINIT (pDrawable->pScreen,
&pPixmapPriv->bitRegion);
REGION_INIT (pDrawable->pScreen, &pPixmapPriv->bitRegion,
NullBox, 0);
pPixmapPriv->allBits = FALSE;
return;
}
pBox++;
}
}
}
}