static void
update_screen(struct omap_screen_info *omaps)
{
BoxPtr tmp;
int i;
if (region_is_null(omaps))
return;
if (!omaps->block_updates) {
/* Remove the video region from our active area. */
if (omaps->video_region &&
REGION_NOTEMPTY(omaps->screen->pScreen, omaps->video_region) &&
RECT_IN_REGION(omaps->screen->pScreen, omaps->video_region,
&omaps->dirty_area)) {
REGION_INIT(omaps->screen->pScreen, omaps->tmp_region,
&omaps->dirty_area, 1);
REGION_SUBTRACT(omaps->screen->pScreen, omaps->tmp_region,
omaps->tmp_region, omaps->video_region);
tmp = REGION_RECTS(omaps->tmp_region);
for (i = 0; i < REGION_NUM_RECTS(omaps->tmp_region); i++, tmp++)
push_box(omaps, tmp);
REGION_EMPTY(omaps->screen->pScreen, omaps->tmp_region);
}
else {
push_box(omaps, &omaps->dirty_area);
}
}
reset_damage(omaps);
}
int
ProcXFixesCombineRegion (ClientPtr client)
{
RegionPtr pSource1, pSource2, pDestination;
int ret = Success;
REQUEST (xXFixesCombineRegionReq);
REQUEST_SIZE_MATCH (xXFixesCombineRegionReq);
VERIFY_REGION(pSource1, stuff->source1, client, DixReadAccess);
VERIFY_REGION(pSource2, stuff->source2, client, DixReadAccess);
VERIFY_REGION(pDestination, stuff->destination, client, DixWriteAccess);
switch (stuff->xfixesReqType) {
case X_XFixesUnionRegion:
if (!REGION_UNION (0, pDestination, pSource1, pSource2))
ret = BadAlloc;
break;
case X_XFixesIntersectRegion:
if (!REGION_INTERSECT (0, pDestination, pSource1, pSource2))
ret = BadAlloc;
break;
case X_XFixesSubtractRegion:
if (!REGION_SUBTRACT (0, pDestination, pSource1, pSource2))
ret = BadAlloc;
break;
}
if (ret == Success)
ret = client->noClientException;
return ret;
}
void
miSetShape(WindowPtr pWin)
{
Bool WasViewable = (Bool)(pWin->viewable);
ScreenPtr pScreen = pWin->drawable.pScreen;
Bool anyMarked = FALSE;
WindowPtr pLayerWin;
if (WasViewable)
{
anyMarked = (*pScreen->MarkOverlappedWindows)(pWin, pWin,
&pLayerWin);
if (pWin->valdata)
{
if (HasBorder (pWin))
{
RegionPtr borderVisible;
borderVisible = REGION_CREATE(pScreen, NullBox, 1);
REGION_SUBTRACT(pScreen, borderVisible,
&pWin->borderClip, &pWin->winSize);
pWin->valdata->before.borderVisible = borderVisible;
}
pWin->valdata->before.resized = TRUE;
}
}
SetWinSize (pWin);
SetBorderSize (pWin);
ResizeChildrenWinSize(pWin, 0, 0, 0, 0);
if (WasViewable)
{
anyMarked |= (*pScreen->MarkOverlappedWindows)(pWin, pWin,
NULL);
if (anyMarked)
(*pScreen->ValidateTree)(pLayerWin->parent, NullWindow, VTOther);
}
if (WasViewable)
{
if (anyMarked)
(*pScreen->HandleExposures)(pLayerWin->parent);
if (anyMarked && pScreen->PostValidateTree)
(*pScreen->PostValidateTree)(pLayerWin->parent, NullWindow, VTOther);
}
if (pWin->realized)
WindowsRestructured ();
CheckCursorConfinement(pWin);
}
void
miChangeBorderWidth(WindowPtr pWin, unsigned int width)
{
int oldwidth;
Bool anyMarked = FALSE;
ScreenPtr pScreen;
Bool WasViewable = (Bool)(pWin->viewable);
Bool HadBorder;
WindowPtr pLayerWin;
oldwidth = wBorderWidth (pWin);
if (oldwidth == width)
return;
HadBorder = HasBorder(pWin);
pScreen = pWin->drawable.pScreen;
if (WasViewable && width < oldwidth)
anyMarked = (*pScreen->MarkOverlappedWindows)(pWin, pWin, &pLayerWin);
pWin->borderWidth = width;
SetBorderSize (pWin);
if (WasViewable)
{
if (width > oldwidth)
{
anyMarked = (*pScreen->MarkOverlappedWindows)(pWin, pWin,
&pLayerWin);
/*
* save the old border visible region to correctly compute
* borderExposed.
*/
if (pWin->valdata && HadBorder)
{
RegionPtr borderVisible;
borderVisible = REGION_CREATE(pScreen, NULL, 1);
REGION_SUBTRACT(pScreen, borderVisible,
&pWin->borderClip, &pWin->winSize);
pWin->valdata->before.borderVisible = borderVisible;
}
}
if (anyMarked)
{
(*pScreen->ValidateTree)(pLayerWin->parent, pLayerWin, VTOther);
(*pScreen->HandleExposures)(pLayerWin->parent);
}
if (anyMarked && pScreen->PostValidateTree)
(*pScreen->PostValidateTree)(pLayerWin->parent, pLayerWin,
VTOther);
}
if (pWin->realized)
WindowsRestructured ();
}
static int
miRecomputeExposures (
WindowPtr pWin,
pointer value) /* must conform to VisitWindowProcPtr */
{
ScreenPtr pScreen;
RegionPtr pValid = (RegionPtr)value;
if (pWin->valdata)
{
#ifdef COMPOSITE
/*
* Redirected windows are not affected by parent window
* gravity manipulations, so don't recompute their
* exposed areas here.
*/
if (pWin->redirectDraw != RedirectDrawNone)
return WT_DONTWALKCHILDREN;
#endif
pScreen = pWin->drawable.pScreen;
/*
* compute exposed regions of this window
*/
REGION_SUBTRACT(pScreen, &pWin->valdata->after.exposed,
&pWin->clipList, pValid);
/*
* compute exposed regions of the border
*/
REGION_SUBTRACT(pScreen, &pWin->valdata->after.borderExposed,
&pWin->borderClip, &pWin->winSize);
REGION_SUBTRACT(pScreen, &pWin->valdata->after.borderExposed,
&pWin->valdata->after.borderExposed, pValid);
return WT_WALKCHILDREN;
}
return WT_NOMATCH;
}
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;
}
static void
SegregateChildrenBpp(WindowPtr pWin, RegionPtr pReg, int subtract, int bpp, int other_bpp)
{
WindowPtr pChild;
for (pChild = pWin->firstChild; pChild; pChild = pChild->nextSib) {
if (pChild->drawable.bitsPerPixel == bpp) {
if (subtract) {
REGION_SUBTRACT(pWin->drawable.pScreen, pReg,
pReg, &pChild->borderClip);
} else {
REGION_UNION(pWin->drawable.pScreen, pReg,
pReg, &pChild->borderClip);
}
if (pChild->firstChild)
SegregateChildrenBpp(pChild, pReg,
!subtract, other_bpp, bpp);
} else {
if (pChild->firstChild)
SegregateChildrenBpp(pChild, pReg,
subtract, bpp, other_bpp);
}
}
}
static Bool
localQueryLargestOffscreenArea(
ScreenPtr pScreen,
int *width, int *height,
int granularity,
int preferences,
int severity
){
FBManagerPtr offman;
RegionPtr newRegion = NULL;
BoxPtr pbox;
int nbox;
int x, w, h, area, oldArea;
*width = *height = oldArea = 0;
if(granularity <= 1) granularity = 0;
if((preferences < 0) || (preferences > 3))
return FALSE;
offman = pScreen->devPrivates[xf86FBScreenIndex].ptr;
if(severity < 0) severity = 0;
if(severity > 2) severity = 2;
switch(severity) {
case 2:
if(offman->NumUsedAreas) {
FBLinkPtr pLink;
RegionRec tmpRegion;
newRegion = REGION_CREATE(pScreen, NULL, 1);
REGION_COPY(pScreen, newRegion, offman->InitialBoxes);
pLink = offman->UsedAreas;
while(pLink) {
if(!pLink->area.RemoveAreaCallback) {
REGION_INIT(pScreen, &tmpRegion, &(pLink->area.box), 1);
REGION_SUBTRACT(pScreen, newRegion, newRegion, &tmpRegion);
REGION_UNINIT(pScreen, &tmpRegion);
}
pLink = pLink->next;
}
nbox = REGION_NUM_RECTS(newRegion);
pbox = REGION_RECTS(newRegion);
break;
}
case 1:
if(offman->NumUsedAreas) {
FBLinkPtr pLink;
RegionRec tmpRegion;
newRegion = REGION_CREATE(pScreen, NULL, 1);
REGION_COPY(pScreen, newRegion, offman->FreeBoxes);
pLink = offman->UsedAreas;
while(pLink) {
if(pLink->area.RemoveAreaCallback) {
REGION_INIT(pScreen, &tmpRegion, &(pLink->area.box), 1);
REGION_APPEND(pScreen, newRegion, &tmpRegion);
REGION_UNINIT(pScreen, &tmpRegion);
}
pLink = pLink->next;
}
nbox = REGION_NUM_RECTS(newRegion);
pbox = REGION_RECTS(newRegion);
break;
}
default:
nbox = REGION_NUM_RECTS(offman->FreeBoxes);
pbox = REGION_RECTS(offman->FreeBoxes);
break;
}
while(nbox--) {
x = pbox->x1;
if(granularity) {
int tmp = x % granularity;
if(tmp) x += (granularity - tmp);
}
w = pbox->x2 - x;
h = pbox->y2 - pbox->y1;
area = w * h;
if(w > 0) {
Bool gotIt = FALSE;
switch(preferences) {
case FAVOR_AREA_THEN_WIDTH:
if((area > oldArea) || ((area == oldArea) && (w > *width)))
gotIt = TRUE;
break;
case FAVOR_AREA_THEN_HEIGHT:
if((area > oldArea) || ((area == oldArea) && (h > *height)))
gotIt = TRUE;
break;
case FAVOR_WIDTH_THEN_AREA:
if((w > *width) || ((w == *width) && (area > oldArea)))
gotIt = TRUE;
break;
case FAVOR_HEIGHT_THEN_AREA:
if((h > *height) || ((h == *height) && (area > oldArea)))
gotIt = TRUE;
break;
}
if(gotIt) {
*width = w;
*height = h;
oldArea = area;
}
}
pbox++;
}
if(newRegion)
REGION_DESTROY(pScreen, newRegion);
return TRUE;
}
static Bool
localResizeOffscreenArea(
FBAreaPtr resize,
int w, int h
){
FBManagerPtr offman;
ScreenPtr pScreen;
BoxRec OrigArea;
RegionRec FreedReg;
FBAreaPtr area = NULL;
FBLinkPtr pLink, newLink, pLinkPrev = NULL;
pScreen = resize->pScreen;
offman = pScreen->devPrivates[xf86FBScreenIndex].ptr;
/* find this link */
if(!(pLink = offman->UsedAreas))
return FALSE;
while(&(pLink->area) != resize) {
pLinkPrev = pLink;
pLink = pLink->next;
if(!pLink) return FALSE;
}
OrigArea.x1 = resize->box.x1;
OrigArea.x2 = resize->box.x2;
OrigArea.y1 = resize->box.y1;
OrigArea.y2 = resize->box.y2;
/* if it's smaller, this is easy */
if((w <= (resize->box.x2 - resize->box.x1)) &&
(h <= (resize->box.y2 - resize->box.y1))) {
RegionRec NewReg;
resize->box.x2 = resize->box.x1 + w;
resize->box.y2 = resize->box.y1 + h;
if((resize->box.y2 == OrigArea.y2) &&
(resize->box.x2 == OrigArea.x2))
return TRUE;
REGION_INIT(pScreen, &FreedReg, &OrigArea, 1);
REGION_INIT(pScreen, &NewReg, &(resize->box), 1);
REGION_SUBTRACT(pScreen, &FreedReg, &FreedReg, &NewReg);
REGION_UNION(pScreen, offman->FreeBoxes, offman->FreeBoxes, &FreedReg);
REGION_UNINIT(pScreen, &FreedReg);
REGION_UNINIT(pScreen, &NewReg);
SendCallFreeBoxCallbacks(offman);
return TRUE;
}
/* otherwise we remove the old region */
REGION_INIT(pScreen, &FreedReg, &OrigArea, 1);
REGION_UNION(pScreen, offman->FreeBoxes, offman->FreeBoxes, &FreedReg);
/* remove the old link */
if(pLinkPrev)
pLinkPrev->next = pLink->next;
else offman->UsedAreas = pLink->next;
/* and try to add a new one */
if((area = AllocateArea(offman, w, h, resize->granularity,
resize->MoveAreaCallback, resize->RemoveAreaCallback,
resize->devPrivate.ptr))) {
/* copy data over to our link and replace the new with old */
memcpy(resize, area, sizeof(FBArea));
pLinkPrev = NULL;
newLink = offman->UsedAreas;
while(&(newLink->area) != area) {
pLinkPrev = newLink;
newLink = newLink->next;
}
if(pLinkPrev)
pLinkPrev->next = newLink->next;
else offman->UsedAreas = newLink->next;
pLink->next = offman->UsedAreas;
offman->UsedAreas = pLink;
xfree(newLink);
/* AllocateArea added one but we really only exchanged one */
offman->NumUsedAreas--;
} else {
/* reinstate the old region */
REGION_SUBTRACT(pScreen, offman->FreeBoxes, offman->FreeBoxes, &FreedReg);
REGION_UNINIT(pScreen, &FreedReg);
pLink->next = offman->UsedAreas;
offman->UsedAreas = pLink;
return FALSE;
}
REGION_UNINIT(pScreen, &FreedReg);
SendCallFreeBoxCallbacks(offman);
return TRUE;
}
static FBAreaPtr
AllocateArea(
FBManagerPtr offman,
int w, int h,
int granularity,
MoveAreaCallbackProcPtr moveCB,
RemoveAreaCallbackProcPtr removeCB,
pointer privData
){
ScreenPtr pScreen = offman->pScreen;
FBLinkPtr link = NULL;
FBAreaPtr area = NULL;
RegionRec NewReg;
int i, x = 0, num;
BoxPtr boxp;
if(granularity <= 1) granularity = 0;
boxp = REGION_RECTS(offman->FreeBoxes);
num = REGION_NUM_RECTS(offman->FreeBoxes);
/* look through the free boxes */
for(i = 0; i < num; i++, boxp++) {
x = boxp->x1;
if(granularity) {
int tmp = x % granularity;
if(tmp) x += (granularity - tmp);
}
if(((boxp->y2 - boxp->y1) < h) || ((boxp->x2 - x) < w))
continue;
link = xalloc(sizeof(FBLink));
if(!link) return NULL;
area = &(link->area);
link->next = offman->UsedAreas;
offman->UsedAreas = link;
offman->NumUsedAreas++;
break;
}
/* try to boot a removeable one out if we are not expendable ourselves */
if(!area && !removeCB) {
link = offman->UsedAreas;
while(link) {
if(!link->area.RemoveAreaCallback) {
link = link->next;
continue;
}
boxp = &(link->area.box);
x = boxp->x1;
if(granularity) {
int tmp = x % granularity;
if(tmp) x += (granularity - tmp);
}
if(((boxp->y2 - boxp->y1) < h) || ((boxp->x2 - x) < w)) {
link = link->next;
continue;
}
/* bye, bye */
(*link->area.RemoveAreaCallback)(&link->area);
REGION_INIT(pScreen, &NewReg, &(link->area.box), 1);
REGION_UNION(pScreen, offman->FreeBoxes, offman->FreeBoxes, &NewReg);
REGION_UNINIT(pScreen, &NewReg);
area = &(link->area);
break;
}
}
if(area) {
area->pScreen = pScreen;
area->granularity = granularity;
area->box.x1 = x;
area->box.x2 = x + w;
area->box.y1 = boxp->y1;
area->box.y2 = boxp->y1 + h;
area->MoveAreaCallback = moveCB;
area->RemoveAreaCallback = removeCB;
area->devPrivate.ptr = privData;
REGION_INIT(pScreen, &NewReg, &(area->box), 1);
REGION_SUBTRACT(pScreen, offman->FreeBoxes, offman->FreeBoxes, &NewReg);
REGION_UNINIT(pScreen, &NewReg);
}
return area;
}
Bool
xf86InitFBManagerArea(
ScreenPtr pScreen,
int PixelArea,
int Verbosity
)
{
ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
xRectangle Rect[3];
RegionPtr pRegion, pScreenRegion;
int nRect;
Bool ret = FALSE;
if (PixelArea < (pScrn->displayWidth * pScrn->virtualY))
return FALSE;
Rect[0].x = Rect[0].y = 0;
Rect[0].width = pScrn->displayWidth;
Rect[0].height = PixelArea / pScrn->displayWidth;
nRect = 1;
/* Add a possible partial scanline */
if ((Rect[1].height = Rect[1].width = PixelArea % pScrn->displayWidth)) {
Rect[1].x = 0;
Rect[1].y = Rect[0].height;
Rect[1].height = 1;
nRect++;
}
/* Factor out virtual resolution */
pRegion = RECTS_TO_REGION(pScreen, nRect, Rect, 0);
if (pRegion) {
if (!REGION_NAR(pRegion)) {
Rect[2].x = Rect[2].y = 0;
Rect[2].width = pScrn->virtualX;
Rect[2].height = pScrn->virtualY;
pScreenRegion = RECTS_TO_REGION(pScreen, 1, &Rect[2], 0);
if (pScreenRegion) {
if (!REGION_NAR(pScreenRegion)) {
REGION_SUBTRACT(pScreen, pRegion, pRegion, pScreenRegion);
ret = xf86InitFBManagerRegion(pScreen, pRegion);
if (ret && xf86GetVerbosity() >= Verbosity) {
int scrnIndex = pScrn->scrnIndex;
xf86DrvMsgVerb(scrnIndex, X_INFO, Verbosity,
"Largest offscreen areas (with overlaps):\n");
if (Rect[2].width < Rect[0].width) {
xf86DrvMsgVerb(scrnIndex, X_INFO, Verbosity,
"\t%d x %d rectangle at %d,0\n",
Rect[0].width - Rect[2].width,
Rect[0].height,
Rect[2].width);
}
if (Rect[2].width < Rect[1].width) {
xf86DrvMsgVerb(scrnIndex, X_INFO, Verbosity,
"\t%d x %d rectangle at %d,0\n",
Rect[1].width - Rect[2].width,
Rect[0].height + Rect[1].height,
Rect[2].width);
}
if (Rect[2].height < Rect[0].height) {
xf86DrvMsgVerb(scrnIndex, X_INFO, Verbosity,
"\t%d x %d rectangle at 0,%d\n",
Rect[0].width,
Rect[0].height - Rect[2].height,
Rect[2].height);
}
if (Rect[1].height) {
xf86DrvMsgVerb(scrnIndex, X_INFO, Verbosity,
"\t%d x %d rectangle at 0,%d\n",
Rect[1].width,
Rect[0].height - Rect[2].height +
Rect[1].height,
Rect[2].height);
}
}
}
REGION_DESTROY(pScreen, pScreenRegion);
}
}
REGION_DESTROY(pScreen, pRegion);
}
return ret;
}
/* XaceCensorImage
*
* Called after pScreen->GetImage to prevent pieces or trusted windows from
* being returned in image data from an untrusted window.
*
* Arguments:
* client is the client doing the GetImage.
* pVisibleRegion is the visible region of the window.
* widthBytesLine is the width in bytes of one horizontal line in pBuf.
* pDraw is the source window.
* x, y, w, h is the rectangle of image data from pDraw in pBuf.
* format is the format of the image data in pBuf: ZPixmap or XYPixmap.
* pBuf is the image data.
*
* Returns: nothing.
*
* Side Effects:
* Any part of the rectangle (x, y, w, h) that is outside the visible
* region of the window will be destroyed (overwritten) in pBuf.
*/
void
XaceCensorImage(
ClientPtr client,
RegionPtr pVisibleRegion,
long widthBytesLine,
DrawablePtr pDraw,
int x, int y, int w, int h,
unsigned int format,
char *pBuf)
{
ScreenPtr pScreen;
RegionRec imageRegion; /* region representing x,y,w,h */
RegionRec censorRegion; /* region to obliterate */
BoxRec imageBox;
int nRects;
pScreen = pDraw->pScreen;
imageBox.x1 = x;
imageBox.y1 = y;
imageBox.x2 = x + w;
imageBox.y2 = y + h;
REGION_INIT(pScreen, &imageRegion, &imageBox, 1);
REGION_NULL(pScreen, &censorRegion);
/* censorRegion = imageRegion - visibleRegion */
REGION_SUBTRACT(pScreen, &censorRegion, &imageRegion, pVisibleRegion);
nRects = REGION_NUM_RECTS(&censorRegion);
if (nRects > 0)
{ /* we have something to censor */
GCPtr pScratchGC = NULL;
PixmapPtr pPix = NULL;
xRectangle *pRects = NULL;
Bool failed = FALSE;
int depth = 1;
int bitsPerPixel = 1;
int i;
BoxPtr pBox;
/* convert region to list-of-rectangles for PolyFillRect */
pRects = xalloc(nRects * sizeof(xRectangle));
if (!pRects)
{
failed = TRUE;
goto failSafe;
}
for (pBox = REGION_RECTS(&censorRegion), i = 0;
i < nRects;
i++, pBox++)
{
pRects[i].x = pBox->x1;
pRects[i].y = pBox->y1 - imageBox.y1;
pRects[i].width = pBox->x2 - pBox->x1;
pRects[i].height = pBox->y2 - pBox->y1;
}
/* use pBuf as a fake pixmap */
if (format == ZPixmap)
{
depth = pDraw->depth;
bitsPerPixel = pDraw->bitsPerPixel;
}
pPix = GetScratchPixmapHeader(pDraw->pScreen, w, h,
depth, bitsPerPixel,
widthBytesLine, (pointer)pBuf);
if (!pPix)
{
failed = TRUE;
goto failSafe;
}
pScratchGC = GetScratchGC(depth, pPix->drawable.pScreen);
if (!pScratchGC)
{
failed = TRUE;
goto failSafe;
}
ValidateGC(&pPix->drawable, pScratchGC);
(* pScratchGC->ops->PolyFillRect)(&pPix->drawable,
pScratchGC, nRects, pRects);
failSafe:
if (failed)
{
/* Censoring was not completed above. To be safe, wipe out
* all the image data so that nothing trusted gets out.
*/
bzero(pBuf, (int)(widthBytesLine * h));
}
if (pRects) xfree(pRects);
if (pScratchGC) FreeScratchGC(pScratchGC);
if (pPix) FreeScratchPixmapHeader(pPix);
}
REGION_UNINIT(pScreen, &imageRegion);
REGION_UNINIT(pScreen, &censorRegion);
} /* XaceCensorImage */
static void
xf86SetRootClip (ScreenPtr pScreen, Bool enable)
{
#if XORG < 19
WindowPtr pWin = WindowTable[pScreen->myNum];
#else
WindowPtr pWin = pScreen->root;
#endif
WindowPtr pChild;
Bool WasViewable = (Bool)(pWin->viewable);
Bool anyMarked = FALSE;
#if XORG < 110
RegionPtr pOldClip = NULL, bsExposed;
#ifdef DO_SAVE_UNDERS
Bool dosave = FALSE;
#endif
#endif
WindowPtr pLayerWin;
BoxRec box;
if (WasViewable)
{
for (pChild = pWin->firstChild; pChild; pChild = pChild->nextSib)
{
(void) (*pScreen->MarkOverlappedWindows)(pChild,
pChild,
&pLayerWin);
}
(*pScreen->MarkWindow) (pWin);
anyMarked = TRUE;
if (pWin->valdata)
{
if (HasBorder (pWin))
{
RegionPtr borderVisible;
borderVisible = REGION_CREATE(pScreen, NullBox, 1);
REGION_SUBTRACT(pScreen, borderVisible,
&pWin->borderClip, &pWin->winSize);
pWin->valdata->before.borderVisible = borderVisible;
}
pWin->valdata->before.resized = TRUE;
}
}
/*
* Use REGION_BREAK to avoid optimizations in ValidateTree
* that assume the root borderClip can't change well, normally
* it doesn't...)
*/
if (enable)
{
box.x1 = 0;
box.y1 = 0;
box.x2 = pScreen->width;
box.y2 = pScreen->height;
REGION_INIT (pScreen, &pWin->winSize, &box, 1);
REGION_INIT (pScreen, &pWin->borderSize, &box, 1);
if (WasViewable)
REGION_RESET(pScreen, &pWin->borderClip, &box);
pWin->drawable.width = pScreen->width;
pWin->drawable.height = pScreen->height;
REGION_BREAK (pWin->drawable.pScreen, &pWin->clipList);
}
else
{
REGION_EMPTY(pScreen, &pWin->borderClip);
REGION_BREAK (pWin->drawable.pScreen, &pWin->clipList);
}
ResizeChildrenWinSize (pWin, 0, 0, 0, 0);
if (WasViewable)
{
#if XORG < 110
if (pWin->backStorage)
{
pOldClip = REGION_CREATE(pScreen, NullBox, 1);
REGION_COPY(pScreen, pOldClip, &pWin->clipList);
}
#endif
if (pWin->firstChild)
{
anyMarked |= (*pScreen->MarkOverlappedWindows)(pWin->firstChild,
pWin->firstChild,
(WindowPtr *)NULL);
}
else
{
(*pScreen->MarkWindow) (pWin);
anyMarked = TRUE;
}
#if XORG < 110 && defined(DO_SAVE_UNDERS)
if (DO_SAVE_UNDERS(pWin))
{
dosave = (*pScreen->ChangeSaveUnder)(pLayerWin, pLayerWin);
}
#endif /* DO_SAVE_UNDERS */
if (anyMarked)
(*pScreen->ValidateTree)(pWin, NullWindow, VTOther);
}
#if XORG < 110
if (pWin->backStorage &&
((pWin->backingStore == Always) || WasViewable))
{
if (!WasViewable)
pOldClip = &pWin->clipList; /* a convenient empty region */
bsExposed = (*pScreen->TranslateBackingStore)
(pWin, 0, 0, pOldClip,
pWin->drawable.x, pWin->drawable.y);
if (WasViewable)
REGION_DESTROY(pScreen, pOldClip);
if (bsExposed)
{
RegionPtr valExposed = NullRegion;
if (pWin->valdata)
valExposed = &pWin->valdata->after.exposed;
(*pScreen->WindowExposures) (pWin, valExposed, bsExposed);
if (valExposed)
REGION_EMPTY(pScreen, valExposed);
REGION_DESTROY(pScreen, bsExposed);
}
}
#endif
if (WasViewable)
{
if (anyMarked)
(*pScreen->HandleExposures)(pWin);
#if XORG < 110 && defined(DO_SAVE_UNDERS)
if (dosave)
(*pScreen->PostChangeSaveUnder)(pLayerWin, pLayerWin);
#endif /* DO_SAVE_UNDERS */
if (anyMarked && pScreen->PostValidateTree)
(*pScreen->PostValidateTree)(pWin, NullWindow, VTOther);
}
if (pWin->realized)
WindowsRestructured ();
FlushAllOutput ();
}
/*
*-----------------------------------------------------------------------
* RootlessComputeClips --
* Recompute the clipList, borderClip, exposed and borderExposed
* regions for pParent and its children. Only viewable windows are
* taken into account.
*
* Results:
* None.
*
* Side Effects:
* clipList, borderClip, exposed and borderExposed are altered.
* A VisibilityNotify event may be generated on the parent window.
*
*-----------------------------------------------------------------------
*/
static void
RootlessComputeClips (WindowPtr pParent, ScreenPtr pScreen,
RegionPtr universe, VTKind kind, RegionPtr exposed)
{
int dx,
dy;
RegionRec childUniverse;
register WindowPtr pChild;
int oldVis, newVis;
BoxRec borderSize;
RegionRec childUnion;
Bool overlap;
RegionPtr borderVisible;
Bool resized;
/*
* Figure out the new visibility of this window.
* The extent of the universe should be the same as the extent of
* the borderSize region. If the window is unobscured, this rectangle
* will be completely inside the universe (the universe will cover it
* completely). If the window is completely obscured, none of the
* universe will cover the rectangle.
*/
borderSize.x1 = pParent->drawable.x - wBorderWidth(pParent);
borderSize.y1 = pParent->drawable.y - wBorderWidth(pParent);
dx = (int) pParent->drawable.x + (int) pParent->drawable.width + wBorderWidth(pParent);
if (dx > 32767)
dx = 32767;
borderSize.x2 = dx;
dy = (int) pParent->drawable.y + (int) pParent->drawable.height + wBorderWidth(pParent);
if (dy > 32767)
dy = 32767;
borderSize.y2 = dy;
oldVis = pParent->visibility;
switch (RECT_IN_REGION( pScreen, universe, &borderSize))
{
case rgnIN:
newVis = VisibilityUnobscured;
break;
case rgnPART:
newVis = VisibilityPartiallyObscured;
{
RegionPtr pBounding;
if ((pBounding = wBoundingShape (pParent)))
{
switch (RootlessShapedWindowIn (pScreen, universe,
pBounding, &borderSize,
pParent->drawable.x,
pParent->drawable.y))
{
case rgnIN:
newVis = VisibilityUnobscured;
break;
case rgnOUT:
newVis = VisibilityFullyObscured;
break;
}
}
}
break;
default:
newVis = VisibilityFullyObscured;
break;
}
pParent->visibility = newVis;
if (oldVis != newVis &&
((pParent->eventMask | wOtherEventMasks(pParent)) & VisibilityChangeMask))
SendVisibilityNotify(pParent);
dx = pParent->drawable.x - pParent->valdata->before.oldAbsCorner.x;
dy = pParent->drawable.y - pParent->valdata->before.oldAbsCorner.y;
/*
* avoid computations when dealing with simple operations
*/
switch (kind) {
case VTMap:
case VTStack:
case VTUnmap:
break;
case VTMove:
if ((oldVis == newVis) &&
((oldVis == VisibilityFullyObscured) ||
(oldVis == VisibilityUnobscured)))
{
pChild = pParent;
while (1)
{
if (pChild->viewable)
{
if (pChild->visibility != VisibilityFullyObscured)
{
REGION_TRANSLATE( pScreen, &pChild->borderClip,
dx, dy);
REGION_TRANSLATE( pScreen, &pChild->clipList,
dx, dy);
pChild->drawable.serialNumber = NEXT_SERIAL_NUMBER;
if (pScreen->ClipNotify)
(* pScreen->ClipNotify) (pChild, dx, dy);
}
if (pChild->valdata)
{
REGION_NULL(pScreen,
&pChild->valdata->after.borderExposed);
if (HasParentRelativeBorder(pChild))
{
REGION_SUBTRACT(pScreen,
&pChild->valdata->after.borderExposed,
&pChild->borderClip,
&pChild->winSize);
}
REGION_NULL(pScreen, &pChild->valdata->after.exposed);
}
if (pChild->firstChild)
{
pChild = pChild->firstChild;
continue;
}
}
while (!pChild->nextSib && (pChild != pParent))
pChild = pChild->parent;
if (pChild == pParent)
break;
pChild = pChild->nextSib;
}
return;
}
/* fall through */
default:
/*
* To calculate exposures correctly, we have to translate the old
* borderClip and clipList regions to the window's new location so there
* is a correspondence between pieces of the new and old clipping regions.
*/
if (dx || dy)
{
/*
* We translate the old clipList because that will be exposed or copied
* if gravity is right.
*/
REGION_TRANSLATE( pScreen, &pParent->borderClip, dx, dy);
REGION_TRANSLATE( pScreen, &pParent->clipList, dx, dy);
}
break;
case VTBroken:
REGION_EMPTY (pScreen, &pParent->borderClip);
REGION_EMPTY (pScreen, &pParent->clipList);
break;
}
borderVisible = pParent->valdata->before.borderVisible;
resized = pParent->valdata->before.resized;
REGION_NULL(pScreen, &pParent->valdata->after.borderExposed);
REGION_NULL(pScreen, &pParent->valdata->after.exposed);
/*
* Since the borderClip must not be clipped by the children, we do
* the border exposure first...
*
* 'universe' is the window's borderClip. To figure the exposures, remove
* the area that used to be exposed from the new.
* This leaves a region of pieces that weren't exposed before.
*/
if (HasBorder (pParent))
{
if (borderVisible)
{
/*
* when the border changes shape, the old visible portions
* of the border will be saved by DIX in borderVisible --
* use that region and destroy it
*/
REGION_SUBTRACT( pScreen, exposed, universe, borderVisible);
REGION_DESTROY( pScreen, borderVisible);
}
else
{
REGION_SUBTRACT( pScreen, exposed, universe, &pParent->borderClip);
}
if (HasParentRelativeBorder(pParent) && (dx || dy)) {
REGION_SUBTRACT( pScreen, &pParent->valdata->after.borderExposed,
universe,
&pParent->winSize);
} else {
REGION_SUBTRACT( pScreen, &pParent->valdata->after.borderExposed,
exposed, &pParent->winSize);
}
REGION_COPY( pScreen, &pParent->borderClip, universe);
/*
* To get the right clipList for the parent, and to make doubly sure
* that no child overlaps the parent's border, we remove the parent's
* border from the universe before proceeding.
*/
REGION_INTERSECT( pScreen, universe, universe, &pParent->winSize);
}
else
REGION_COPY( pScreen, &pParent->borderClip, universe);
if ((pChild = pParent->firstChild) && pParent->mapped)
{
REGION_NULL(pScreen, &childUniverse);
REGION_NULL(pScreen, &childUnion);
if ((pChild->drawable.y < pParent->lastChild->drawable.y) ||
((pChild->drawable.y == pParent->lastChild->drawable.y) &&
(pChild->drawable.x < pParent->lastChild->drawable.x)))
{
for (; pChild; pChild = pChild->nextSib)
{
if (pChild->viewable)
REGION_APPEND( pScreen, &childUnion, &pChild->borderSize);
}
}
else
{
for (pChild = pParent->lastChild; pChild; pChild = pChild->prevSib)
{
if (pChild->viewable)
REGION_APPEND( pScreen, &childUnion, &pChild->borderSize);
}
}
REGION_VALIDATE( pScreen, &childUnion, &overlap);
for (pChild = pParent->firstChild;
pChild;
pChild = pChild->nextSib)
{
if (pChild->viewable) {
/*
* If the child is viewable, we want to remove its extents
* from the current universe, but we only re-clip it if
* it's been marked.
*/
if (pChild->valdata) {
/*
* Figure out the new universe from the child's
* perspective and recurse.
*/
REGION_INTERSECT( pScreen, &childUniverse,
universe,
&pChild->borderSize);
RootlessComputeClips (pChild, pScreen, &childUniverse,
kind, exposed);
}
/*
* Once the child has been processed, we remove its extents
* from the current universe, thus denying its space to any
* other sibling.
*/
if (overlap)
REGION_SUBTRACT( pScreen, universe, universe,
&pChild->borderSize);
}
}
if (!overlap)
REGION_SUBTRACT( pScreen, universe, universe, &childUnion);
REGION_UNINIT( pScreen, &childUnion);
REGION_UNINIT( pScreen, &childUniverse);
} /* if any children */
/*
* 'universe' now contains the new clipList for the parent window.
*
* To figure the exposure of the window we subtract the old clip from the
* new, just as for the border.
*/
if (oldVis == VisibilityFullyObscured ||
oldVis == VisibilityNotViewable)
{
REGION_COPY( pScreen, &pParent->valdata->after.exposed, universe);
}
else if (newVis != VisibilityFullyObscured &&
newVis != VisibilityNotViewable)
{
REGION_SUBTRACT( pScreen, &pParent->valdata->after.exposed,
universe, &pParent->clipList);
}
/*
* One last thing: backing storage. We have to try to save what parts of
* the window are about to be obscured. We can just subtract the universe
* from the old clipList and get the areas that were in the old but aren't
* in the new and, hence, are about to be obscured.
*/
if (pParent->backStorage && !resized)
{
REGION_SUBTRACT( pScreen, exposed, &pParent->clipList, universe);
(* pScreen->SaveDoomedAreas)(pParent, exposed, dx, dy);
}
/* HACK ALERT - copying contents of regions, instead of regions */
{
RegionRec tmp;
tmp = pParent->clipList;
pParent->clipList = *universe;
*universe = tmp;
}
#ifdef NOTDEF
REGION_COPY( pScreen, &pParent->clipList, universe);
#endif
pParent->drawable.serialNumber = NEXT_SERIAL_NUMBER;
if (pScreen->ClipNotify)
(* pScreen->ClipNotify) (pParent, dx, dy);
}
void
miSlideAndSizeWindow(WindowPtr pWin,
int x, int y,
unsigned int w, unsigned int h,
WindowPtr pSib)
{
WindowPtr pParent;
Bool WasViewable = (Bool)(pWin->viewable);
unsigned short width = pWin->drawable.width,
height = pWin->drawable.height;
short oldx = pWin->drawable.x,
oldy = pWin->drawable.y;
int bw = wBorderWidth (pWin);
short dw, dh;
DDXPointRec oldpt;
RegionPtr oldRegion = NULL;
Bool anyMarked = FALSE;
ScreenPtr pScreen;
WindowPtr pFirstChange;
WindowPtr pChild;
RegionPtr gravitate[StaticGravity + 1];
unsigned g;
int nx, ny; /* destination x,y */
int newx, newy; /* new inner window position */
RegionPtr pRegion = NULL;
RegionPtr destClip; /* portions of destination already written */
RegionPtr oldWinClip = NULL; /* old clip list for window */
RegionPtr borderVisible = NullRegion; /* visible area of the border */
Bool shrunk = FALSE; /* shrunk in an inner dimension */
Bool moved = FALSE; /* window position changed */
WindowPtr pLayerWin;
/* if this is a root window, can't be resized */
if (!(pParent = pWin->parent))
return ;
pScreen = pWin->drawable.pScreen;
newx = pParent->drawable.x + x + bw;
newy = pParent->drawable.y + y + bw;
if (WasViewable)
{
anyMarked = FALSE;
/*
* save the visible region of the window
*/
oldRegion = REGION_CREATE(pScreen, NullBox, 1);
REGION_COPY(pScreen, oldRegion, &pWin->winSize);
/*
* categorize child windows into regions to be moved
*/
for (g = 0; g <= StaticGravity; g++)
gravitate[g] = (RegionPtr) NULL;
for (pChild = pWin->firstChild; pChild; pChild = pChild->nextSib)
{
g = pChild->winGravity;
if (g != UnmapGravity)
{
if (!gravitate[g])
gravitate[g] = REGION_CREATE(pScreen, NullBox, 1);
REGION_UNION(pScreen, gravitate[g],
gravitate[g], &pChild->borderClip);
}
else
{
UnmapWindow(pChild, TRUE);
anyMarked = TRUE;
}
}
anyMarked |= (*pScreen->MarkOverlappedWindows)(pWin, pWin,
&pLayerWin);
oldWinClip = NULL;
if (pWin->bitGravity != ForgetGravity)
{
oldWinClip = REGION_CREATE(pScreen, NullBox, 1);
REGION_COPY(pScreen, oldWinClip, &pWin->clipList);
}
/*
* if the window is changing size, borderExposed
* can't be computed correctly without some help.
*/
if (pWin->drawable.height > h || pWin->drawable.width > w)
shrunk = TRUE;
if (newx != oldx || newy != oldy)
moved = TRUE;
if ((pWin->drawable.height != h || pWin->drawable.width != w) &&
HasBorder (pWin))
{
borderVisible = REGION_CREATE(pScreen, NullBox, 1);
/* for tiled borders, we punt and draw the whole thing */
if (pWin->borderIsPixel || !moved)
{
if (shrunk || moved)
REGION_SUBTRACT(pScreen, borderVisible,
&pWin->borderClip,
&pWin->winSize);
else
REGION_COPY(pScreen, borderVisible,
&pWin->borderClip);
}
}
}
pWin->origin.x = x + bw;
pWin->origin.y = y + bw;
pWin->drawable.height = h;
pWin->drawable.width = w;
x = pWin->drawable.x = newx;
y = pWin->drawable.y = newy;
SetWinSize (pWin);
SetBorderSize (pWin);
dw = (int)w - (int)width;
dh = (int)h - (int)height;
ResizeChildrenWinSize(pWin, x - oldx, y - oldy, dw, dh);
/* let the hardware adjust background and border pixmaps, if any */
(*pScreen->PositionWindow)(pWin, x, y);
pFirstChange = MoveWindowInStack(pWin, pSib);
if (WasViewable)
{
pRegion = REGION_CREATE(pScreen, NullBox, 1);
if (pLayerWin == pWin)
anyMarked |= (*pScreen->MarkOverlappedWindows)(pWin, pFirstChange,
NULL);
else
anyMarked |= (*pScreen->MarkOverlappedWindows)(pWin, pLayerWin,
NULL);
if (pWin->valdata)
{
pWin->valdata->before.resized = TRUE;
pWin->valdata->before.borderVisible = borderVisible;
}
if (anyMarked)
(*pScreen->ValidateTree)(pLayerWin->parent, pFirstChange, VTOther);
/*
* the entire window is trashed unless bitGravity
* recovers portions of it
*/
REGION_COPY(pScreen, &pWin->valdata->after.exposed, &pWin->clipList);
}
GravityTranslate (x, y, oldx, oldy, dw, dh, pWin->bitGravity, &nx, &ny);
if (WasViewable)
{
/* avoid the border */
if (HasBorder (pWin))
{
int offx, offy, dx, dy;
/* kruft to avoid double translates for each gravity */
offx = 0;
offy = 0;
for (g = 0; g <= StaticGravity; g++)
{
if (!gravitate[g])
continue;
/* align winSize to gravitate[g].
* winSize is in new coordinates,
* gravitate[g] is still in old coordinates */
GravityTranslate (x, y, oldx, oldy, dw, dh, g, &nx, &ny);
dx = (oldx - nx) - offx;
dy = (oldy - ny) - offy;
if (dx || dy)
{
REGION_TRANSLATE(pScreen, &pWin->winSize, dx, dy);
offx += dx;
offy += dy;
}
REGION_INTERSECT(pScreen, gravitate[g], gravitate[g],
&pWin->winSize);
}
/* get winSize back where it belongs */
if (offx || offy)
REGION_TRANSLATE(pScreen, &pWin->winSize, -offx, -offy);
}
/*
* add screen bits to the appropriate bucket
*/
if (oldWinClip)
{
/*
* clip to new clipList
*/
REGION_COPY(pScreen, pRegion, oldWinClip);
REGION_TRANSLATE(pScreen, pRegion, nx - oldx, ny - oldy);
REGION_INTERSECT(pScreen, oldWinClip, pRegion, &pWin->clipList);
/*
* don't step on any gravity bits which will be copied after this
* region. Note -- this assumes that the regions will be copied
* in gravity order.
*/
for (g = pWin->bitGravity + 1; g <= StaticGravity; g++)
{
if (gravitate[g])
REGION_SUBTRACT(pScreen, oldWinClip, oldWinClip,
gravitate[g]);
}
REGION_TRANSLATE(pScreen, oldWinClip, oldx - nx, oldy - ny);
g = pWin->bitGravity;
if (!gravitate[g])
gravitate[g] = oldWinClip;
else
{
REGION_UNION(pScreen, gravitate[g], gravitate[g], oldWinClip);
REGION_DESTROY(pScreen, oldWinClip);
}
}
/*
* move the bits on the screen
*/
destClip = NULL;
for (g = 0; g <= StaticGravity; g++)
{
if (!gravitate[g])
continue;
GravityTranslate (x, y, oldx, oldy, dw, dh, g, &nx, &ny);
oldpt.x = oldx + (x - nx);
oldpt.y = oldy + (y - ny);
/* Note that gravitate[g] is *translated* by CopyWindow */
/* only copy the remaining useful bits */
REGION_INTERSECT(pScreen, gravitate[g], gravitate[g], oldRegion);
/* clip to not overwrite already copied areas */
if (destClip) {
REGION_TRANSLATE(pScreen, destClip, oldpt.x - x, oldpt.y - y);
REGION_SUBTRACT(pScreen, gravitate[g], gravitate[g], destClip);
REGION_TRANSLATE(pScreen, destClip, x - oldpt.x, y - oldpt.y);
}
/* and move those bits */
if (oldpt.x != x || oldpt.y != y
#ifdef COMPOSITE
|| pWin->redirectDraw
#endif
)
{
(*pWin->drawable.pScreen->CopyWindow)(pWin, oldpt, gravitate[g]);
}
/* remove any overwritten bits from the remaining useful bits */
REGION_SUBTRACT(pScreen, oldRegion, oldRegion, gravitate[g]);
/*
* recompute exposed regions of child windows
*/
for (pChild = pWin->firstChild; pChild; pChild = pChild->nextSib)
{
if (pChild->winGravity != g)
continue;
REGION_INTERSECT(pScreen, pRegion,
&pChild->borderClip, gravitate[g]);
TraverseTree (pChild, miRecomputeExposures, (pointer)pRegion);
}
/*
* remove the successfully copied regions of the
* window from its exposed region
*/
if (g == pWin->bitGravity)
REGION_SUBTRACT(pScreen, &pWin->valdata->after.exposed,
&pWin->valdata->after.exposed, gravitate[g]);
if (!destClip)
destClip = gravitate[g];
else
{
REGION_UNION(pScreen, destClip, destClip, gravitate[g]);
REGION_DESTROY(pScreen, gravitate[g]);
}
}
REGION_DESTROY(pScreen, oldRegion);
REGION_DESTROY(pScreen, pRegion);
if (destClip)
REGION_DESTROY(pScreen, destClip);
if (anyMarked)
(*pScreen->HandleExposures)(pLayerWin->parent);
if (anyMarked && pScreen->PostValidateTree)
(*pScreen->PostValidateTree)(pLayerWin->parent, pFirstChange,
VTOther);
}
if (pWin->realized)
WindowsRestructured ();
}
/* Entry point for hook functions. Called by Xserver.
*/
int XaceHook(int hook, ...)
{
pointer calldata; /* data passed to callback */
int *prv = NULL; /* points to return value from callback */
va_list ap; /* argument list */
va_start(ap, hook);
/* Marshal arguments for passing to callback.
* Each callback has its own case, which sets up a structure to hold
* the arguments and integer return parameter, or in some cases just
* sets calldata directly to a single argument (with no return result)
*/
switch (hook)
{
case XACE_RESOURCE_ACCESS: {
XaceResourceAccessRec rec = {
va_arg(ap, ClientPtr),
va_arg(ap, XID),
va_arg(ap, RESTYPE),
va_arg(ap, pointer),
va_arg(ap, RESTYPE),
va_arg(ap, pointer),
va_arg(ap, Mask),
Success /* default allow */
};
calldata = &rec;
prv = &rec.status;
break;
}
case XACE_DEVICE_ACCESS: {
XaceDeviceAccessRec rec = {
va_arg(ap, ClientPtr),
va_arg(ap, DeviceIntPtr),
va_arg(ap, Mask),
Success /* default allow */
};
calldata = &rec;
prv = &rec.status;
break;
}
case XACE_SEND_ACCESS: {
XaceSendAccessRec rec = {
va_arg(ap, ClientPtr),
va_arg(ap, DeviceIntPtr),
va_arg(ap, WindowPtr),
va_arg(ap, xEventPtr),
va_arg(ap, int),
Success /* default allow */
};
calldata = &rec;
prv = &rec.status;
break;
}
case XACE_RECEIVE_ACCESS: {
XaceReceiveAccessRec rec = {
va_arg(ap, ClientPtr),
va_arg(ap, WindowPtr),
va_arg(ap, xEventPtr),
va_arg(ap, int),
Success /* default allow */
};
calldata = &rec;
prv = &rec.status;
break;
}
case XACE_CLIENT_ACCESS: {
XaceClientAccessRec rec = {
va_arg(ap, ClientPtr),
va_arg(ap, ClientPtr),
va_arg(ap, Mask),
Success /* default allow */
};
calldata = &rec;
prv = &rec.status;
break;
}
case XACE_EXT_ACCESS: {
XaceExtAccessRec rec = {
va_arg(ap, ClientPtr),
va_arg(ap, ExtensionEntry*),
DixGetAttrAccess,
Success /* default allow */
};
calldata = &rec;
prv = &rec.status;
break;
}
case XACE_SERVER_ACCESS: {
XaceServerAccessRec rec = {
va_arg(ap, ClientPtr),
va_arg(ap, Mask),
Success /* default allow */
};
calldata = &rec;
prv = &rec.status;
break;
}
case XACE_SCREEN_ACCESS:
case XACE_SCREENSAVER_ACCESS: {
XaceScreenAccessRec rec = {
va_arg(ap, ClientPtr),
va_arg(ap, ScreenPtr),
va_arg(ap, Mask),
Success /* default allow */
};
calldata = &rec;
prv = &rec.status;
break;
}
case XACE_AUTH_AVAIL: {
XaceAuthAvailRec rec = {
va_arg(ap, ClientPtr),
va_arg(ap, XID)
};
calldata = &rec;
break;
}
case XACE_KEY_AVAIL: {
XaceKeyAvailRec rec = {
va_arg(ap, xEventPtr),
va_arg(ap, DeviceIntPtr),
va_arg(ap, int)
};
calldata = &rec;
break;
}
default: {
va_end(ap);
return 0; /* unimplemented hook number */
}
}
va_end(ap);
/* call callbacks and return result, if any. */
CallCallbacks(&XaceHooks[hook], calldata);
return prv ? *prv : Success;
}
/* XaceCensorImage
*
* Called after pScreen->GetImage to prevent pieces or trusted windows from
* being returned in image data from an untrusted window.
*
* Arguments:
* client is the client doing the GetImage.
* pVisibleRegion is the visible region of the window.
* widthBytesLine is the width in bytes of one horizontal line in pBuf.
* pDraw is the source window.
* x, y, w, h is the rectangle of image data from pDraw in pBuf.
* format is the format of the image data in pBuf: ZPixmap or XYPixmap.
* pBuf is the image data.
*
* Returns: nothing.
*
* Side Effects:
* Any part of the rectangle (x, y, w, h) that is outside the visible
* region of the window will be destroyed (overwritten) in pBuf.
*/
void
XaceCensorImage(client, pVisibleRegion, widthBytesLine, pDraw, x, y, w, h,
format, pBuf)
ClientPtr client;
RegionPtr pVisibleRegion;
long widthBytesLine;
DrawablePtr pDraw;
int x, y, w, h;
unsigned int format;
char * pBuf;
{
ScreenPtr pScreen;
RegionRec imageRegion; /* region representing x,y,w,h */
RegionRec censorRegion; /* region to obliterate */
BoxRec imageBox;
int nRects;
pScreen = pDraw->pScreen;
imageBox.x1 = x;
imageBox.y1 = y;
imageBox.x2 = x + w;
imageBox.y2 = y + h;
REGION_INIT(pScreen, &imageRegion, &imageBox, 1);
REGION_NULL(pScreen, &censorRegion);
/* censorRegion = imageRegion - visibleRegion */
REGION_SUBTRACT(pScreen, &censorRegion, &imageRegion, pVisibleRegion);
nRects = REGION_NUM_RECTS(&censorRegion);
if (nRects > 0)
{ /* we have something to censor */
GCPtr pScratchGC = NULL;
PixmapPtr pPix = NULL;
xRectangle *pRects = NULL;
Bool failed = FALSE;
int depth = 1;
int bitsPerPixel = 1;
int i;
BoxPtr pBox;
/* convert region to list-of-rectangles for PolyFillRect */
pRects = (xRectangle *)xalloc(nRects * sizeof(xRectangle));
if (!pRects)
{
failed = TRUE;
goto failSafe;
}
for (pBox = REGION_RECTS(&censorRegion), i = 0;
i < nRects;
i++, pBox++)
{
pRects[i].x = pBox->x1;
pRects[i].y = pBox->y1 - imageBox.y1;
pRects[i].width = pBox->x2 - pBox->x1;
pRects[i].height = pBox->y2 - pBox->y1;
}
/* use pBuf as a fake pixmap */
if (format == ZPixmap)
{
depth = pDraw->depth;
bitsPerPixel = pDraw->bitsPerPixel;
}
pPix = GetScratchPixmapHeader(pDraw->pScreen, w, h,
depth, bitsPerPixel,
widthBytesLine, (pointer)pBuf);
if (!pPix)
{
failed = TRUE;
goto failSafe;
}
pScratchGC = GetScratchGC(depth, pPix->drawable.pScreen);
if (!pScratchGC)
{
failed = TRUE;
goto failSafe;
}
ValidateGC(&pPix->drawable, pScratchGC);
(* pScratchGC->ops->PolyFillRect)(&pPix->drawable,
pScratchGC, nRects, pRects);
failSafe:
if (failed)
{
/* Censoring was not completed above. To be safe, wipe out
* all the image data so that nothing trusted gets out.
*/
bzero(pBuf, (int)(widthBytesLine * h));
}
if (pRects) xfree(pRects);
if (pScratchGC) FreeScratchGC(pScratchGC);
if (pPix) FreeScratchPixmapHeader(pPix);
}
REGION_UNINIT(pScreen, &imageRegion);
REGION_UNINIT(pScreen, &censorRegion);
} /* XaceCensorImage */
void
KdSetRootClip (ScreenPtr pScreen, BOOL enable)
{
#ifndef FB_OLD_SCREEN
WindowPtr pWin = WindowTable[pScreen->myNum];
WindowPtr pChild;
Bool WasViewable;
Bool anyMarked = FALSE;
RegionPtr pOldClip = 0, bsExposed;
#ifdef DO_SAVE_UNDERS
Bool dosave = FALSE;
#endif
WindowPtr pLayerWin;
BoxRec box;
if (!pWin)
return;
WasViewable = (Bool)(pWin->viewable);
if (WasViewable)
{
for (pChild = pWin->firstChild; pChild; pChild = pChild->nextSib)
{
(void) (*pScreen->MarkOverlappedWindows)(pChild,
pChild,
&pLayerWin);
}
(*pScreen->MarkWindow) (pWin);
anyMarked = TRUE;
if (pWin->valdata)
{
if (HasBorder (pWin))
{
RegionPtr borderVisible;
borderVisible = REGION_CREATE(pScreen, NullBox, 1);
REGION_SUBTRACT(pScreen, borderVisible,
&pWin->borderClip, &pWin->winSize);
pWin->valdata->before.borderVisible = borderVisible;
}
pWin->valdata->before.resized = TRUE;
}
}
if (enable)
{
box.x1 = 0;
box.y1 = 0;
box.x2 = pScreen->width;
box.y2 = pScreen->height;
pWin->drawable.width = pScreen->width;
pWin->drawable.height = pScreen->height;
REGION_INIT (pScreen, &pWin->winSize, &box, 1);
REGION_INIT (pScreen, &pWin->borderSize, &box, 1);
REGION_RESET(pScreen, &pWin->borderClip, &box);
REGION_BREAK (pWin->drawable.pScreen, &pWin->clipList);
}
else
{
REGION_EMPTY(pScreen, &pWin->borderClip);
REGION_BREAK (pWin->drawable.pScreen, &pWin->clipList);
}
ResizeChildrenWinSize (pWin, 0, 0, 0, 0);
if (WasViewable)
{
if (pWin->backStorage)
{
pOldClip = REGION_CREATE(pScreen, NullBox, 1);
REGION_COPY(pScreen, pOldClip, &pWin->clipList);
}
if (pWin->firstChild)
{
anyMarked |= (*pScreen->MarkOverlappedWindows)(pWin->firstChild,
pWin->firstChild,
(WindowPtr *)NULL);
}
else
{
(*pScreen->MarkWindow) (pWin);
anyMarked = TRUE;
}
#ifdef DO_SAVE_UNDERS
if (DO_SAVE_UNDERS(pWin))
{
dosave = (*pScreen->ChangeSaveUnder)(pLayerWin, pLayerWin);
}
#endif /* DO_SAVE_UNDERS */
if (anyMarked)
(*pScreen->ValidateTree)(pWin, NullWindow, VTOther);
}
if (pWin->backStorage &&
((pWin->backingStore == Always) || WasViewable))
{
if (!WasViewable)
pOldClip = &pWin->clipList; /* a convenient empty region */
bsExposed = (*pScreen->TranslateBackingStore)
(pWin, 0, 0, pOldClip,
pWin->drawable.x, pWin->drawable.y);
if (WasViewable)
REGION_DESTROY(pScreen, pOldClip);
if (bsExposed)
{
RegionPtr valExposed = NullRegion;
if (pWin->valdata)
valExposed = &pWin->valdata->after.exposed;
(*pScreen->WindowExposures) (pWin, valExposed, bsExposed);
if (valExposed)
REGION_EMPTY(pScreen, valExposed);
REGION_DESTROY(pScreen, bsExposed);
}
}
if (WasViewable)
{
if (anyMarked)
(*pScreen->HandleExposures)(pWin);
#ifdef DO_SAVE_UNDERS
if (dosave)
(*pScreen->PostChangeSaveUnder)(pLayerWin, pLayerWin);
#endif /* DO_SAVE_UNDERS */
if (anyMarked && pScreen->PostValidateTree)
(*pScreen->PostValidateTree)(pWin, NullWindow, VTOther);
}
if (pWin->realized)
WindowsRestructured ();
#endif /* !FB_OLD_SCREEN */
}
Bool
xglSyncBits (DrawablePtr pDrawable,
BoxPtr pExtents)
{
RegionRec region;
BoxRec box;
XGL_DRAWABLE_PIXMAP (pDrawable);
XGL_PIXMAP_PRIV (pPixmap);
if (pPixmapPriv->allBits)
return xglMapPixmapBits (pPixmap);
if (pPixmapPriv->target == xglPixmapTargetIn && pExtents)
{
box.x1 = 0;
box.y1 = 0;
box.x2 = pPixmap->drawable.width;
box.y2 = pPixmap->drawable.height;
if (pExtents->x1 > box.x1)
box.x1 = pExtents->x1;
if (pExtents->y1 > box.y1)
box.y1 = pExtents->y1;
if (pExtents->x2 < box.x2)
box.x2 = pExtents->x2;
if (pExtents->y2 < box.y2)
box.y2 = pExtents->y2;
if (box.x2 <= box.x1 || box.y2 <= box.y1)
return xglMapPixmapBits (pPixmap);
if (REGION_NOTEMPTY (pDrawable->pScreen, &pPixmapPriv->bitRegion))
{
switch (RECT_IN_REGION (pDrawable->pScreen,
&pPixmapPriv->bitRegion,
&box)) {
case rgnIN:
REGION_INIT (pDrawable->pScreen, ®ion, NullBox, 0);
break;
case rgnOUT:
REGION_INIT (pDrawable->pScreen, ®ion, &box, 1);
REGION_UNION (pDrawable->pScreen,
&pPixmapPriv->bitRegion, &pPixmapPriv->bitRegion,
®ion);
break;
case rgnPART:
REGION_INIT (pDrawable->pScreen, ®ion, &box, 1);
REGION_SUBTRACT (pDrawable->pScreen, ®ion, ®ion,
&pPixmapPriv->bitRegion);
REGION_UNION (pDrawable->pScreen,
&pPixmapPriv->bitRegion, &pPixmapPriv->bitRegion,
®ion);
break;
}
}
else
{
REGION_INIT (pDrawable->pScreen, ®ion, &box, 1);
REGION_SUBTRACT (pDrawable->pScreen, &pPixmapPriv->bitRegion,
®ion, &pPixmapPriv->bitRegion);
}
if (REGION_NUM_RECTS (&pPixmapPriv->bitRegion) == 1)
{
BoxPtr pBox;
pBox = REGION_RECTS (&pPixmapPriv->bitRegion);
if (pBox->x1 <= 0 &&
pBox->y1 <= 0 &&
pBox->x2 >= pPixmap->drawable.width &&
pBox->y2 >= pPixmap->drawable.height)
pPixmapPriv->allBits = TRUE;
}
}
else
{
box.x1 = 0;
box.y1 = 0;
box.x2 = pPixmap->drawable.width;
box.y2 = pPixmap->drawable.height;
REGION_INIT (pDrawable->pScreen, ®ion, &box, 1);
REGION_SUBTRACT (pDrawable->pScreen, ®ion, ®ion,
&pPixmapPriv->bitRegion);
pPixmapPriv->allBits = TRUE;
}
if (!pPixmapPriv->buffer)
if (!xglAllocatePixmapBits (pPixmap, XGL_PIXMAP_USAGE_HINT_DEFAULT))
return FALSE;
if (REGION_NOTEMPTY (pDrawable->pScreen, ®ion) && pPixmapPriv->surface)
{
glitz_pixel_format_t format;
BoxPtr pBox;
BoxPtr pExt;
int nBox;
if (!xglSyncSurface (pDrawable))
FatalError (XGL_SW_FAILURE_STRING);
xglUnmapPixmapBits (pPixmap);
pBox = REGION_RECTS (®ion);
nBox = REGION_NUM_RECTS (®ion);
pExt = REGION_EXTENTS (pDrawable->pScreen, ®ion);
format.fourcc = GLITZ_FOURCC_RGB;
format.masks = pPixmapPriv->pVisual->pPixel->masks;
format.xoffset = pExt->x1;
if (pPixmapPriv->stride < 0)
{
format.skip_lines = pPixmap->drawable.height - pExt->y2;
format.bytes_per_line = -pPixmapPriv->stride;
format.scanline_order = GLITZ_PIXEL_SCANLINE_ORDER_BOTTOM_UP;
}
else
{
format.skip_lines = pExt->y1;
format.bytes_per_line = pPixmapPriv->stride;
format.scanline_order = GLITZ_PIXEL_SCANLINE_ORDER_TOP_DOWN;
}
glitz_surface_set_clip_region (pPixmapPriv->surface,
0, 0, (glitz_box_t *) pBox, nBox);
glitz_get_pixels (pPixmapPriv->surface,
pExt->x1,
pExt->y1,
pExt->x2 - pExt->x1,
pExt->y2 - pExt->y1,
&format,
pPixmapPriv->buffer);
glitz_surface_set_clip_region (pPixmapPriv->surface, 0, 0, NULL, 0);
}
REGION_UNINIT (pDrawable->pScreen, ®ion);
if (pPixmapPriv->allBits)
{
box.x1 = 0;
box.y1 = 0;
box.x2 = pPixmap->drawable.width;
box.y2 = pPixmap->drawable.height;
REGION_UNINIT (pDrawable->pScreen, &pPixmapPriv->bitRegion);
REGION_INIT (pDrawable->pScreen, &pPixmapPriv->bitRegion, &box, 1);
}
return xglMapPixmapBits (pPixmap);
}
void
cfb8_32WidCopyWindow(WindowPtr pWin, DDXPointRec ptOldOrg, RegionPtr prgnSrc)
{
ScreenPtr pScreen = pWin->drawable.pScreen;
cfb8_32WidScreenPtr pScreenPriv =
CFB8_32WID_GET_SCREEN_PRIVATE(pScreen);
ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
PixmapPtr pPixChildren;
DDXPointPtr ppt, pptSrc;
RegionRec rgnDst, rgnOther, rgnPixmap;
BoxPtr pbox;
int i, nbox, dx, dy, other_bpp;
REGION_NULL(pScreen, &rgnDst);
dx = ptOldOrg.x - pWin->drawable.x;
dy = ptOldOrg.y - pWin->drawable.y;
REGION_TRANSLATE(pScreen, prgnSrc, -dx, -dy);
REGION_INTERSECT(pScreen, &rgnDst, &pWin->borderClip, prgnSrc);
if ((nbox = REGION_NUM_RECTS(&rgnDst)) == 0) {
/* Nothing to render. */
REGION_UNINIT(pScreen, &rgnDst);
return;
}
/* First, copy the WID plane for the whole area. */
pptSrc = (DDXPointPtr )ALLOCATE_LOCAL(nbox * sizeof(DDXPointRec));
if(pptSrc) {
pbox = REGION_RECTS(&rgnDst);
for (i = nbox, ppt = pptSrc; i--; ppt++, pbox++) {
ppt->x = pbox->x1 + dx;
ppt->y = pbox->y1 + dy;
}
pScreenPriv->WIDOps->WidCopyArea((DrawablePtr)pScreenPriv->pixWid,
&rgnDst, pptSrc);
DEALLOCATE_LOCAL(pptSrc);
}
/* Next, we copy children which have a different
* bpp than pWin into a temporary pixmap. We will
* toss this pixmap back onto the framebuffer before
* we return.
*/
if (pWin->drawable.bitsPerPixel == 8)
other_bpp = pScrn->bitsPerPixel;
else
other_bpp = 8;
REGION_NULL(pScreen, &rgnOther);
SegregateChildrenBpp(pWin, &rgnOther, 0,
other_bpp, pWin->drawable.bitsPerPixel);
pPixChildren = NULL;
if (REGION_NOTEMPTY(pScreen, &rgnOther)) {
REGION_INTERSECT(pScreen, &rgnOther, &rgnOther, prgnSrc);
nbox = REGION_NUM_RECTS(&rgnOther);
if (nbox) {
int width = rgnOther.extents.x2 - rgnOther.extents.x1;
int height = rgnOther.extents.y2 - rgnOther.extents.y1;
int depth = (other_bpp == 8) ? 8 : pScrn->depth;
if (other_bpp == 8)
pPixChildren = cfbCreatePixmap(pScreen, width, height, depth);
else
pPixChildren = cfb32CreatePixmap(pScreen, width, height, depth);
}
if (nbox &&
pPixChildren &&
(pptSrc = (DDXPointPtr) ALLOCATE_LOCAL(nbox * sizeof(DDXPointRec)))) {
pbox = REGION_RECTS(&rgnOther);
for (i = nbox, ppt = pptSrc; i--; ppt++, pbox++) {
ppt->x = pbox->x1 + dx;
ppt->y = pbox->y1 + dy;
}
REGION_NULL(pScreen, &rgnPixmap);
REGION_COPY(pScreen, &rgnPixmap, &rgnOther);
REGION_TRANSLATE(pScreen, &rgnPixmap, -(rgnOther.extents.x1), -(rgnOther.extents.y1));
if (other_bpp == 8)
cfbDoBitbltCopy((DrawablePtr)pScreenPriv->pix8,
(DrawablePtr)pPixChildren,
GXcopy, &rgnPixmap, pptSrc, ~0L);
else
cfb32DoBitbltCopy((DrawablePtr)pScreenPriv->pix32,
(DrawablePtr)pPixChildren,
GXcopy, &rgnPixmap, pptSrc, ~0L);
REGION_UNINIT(pScreen, &rgnPixmap);
DEALLOCATE_LOCAL(pptSrc);
}
REGION_SUBTRACT(pScreen, &rgnDst, &rgnDst, &rgnOther);
}
/* Now copy the parent along with all child windows using the same depth. */
nbox = REGION_NUM_RECTS(&rgnDst);
if(nbox &&
(pptSrc = (DDXPointPtr )ALLOCATE_LOCAL(nbox * sizeof(DDXPointRec)))) {
pbox = REGION_RECTS(&rgnDst);
for (i = nbox, ppt = pptSrc; i--; ppt++, pbox++) {
ppt->x = pbox->x1 + dx;
ppt->y = pbox->y1 + dy;
}
if (pWin->drawable.bitsPerPixel == 8)
cfbDoBitbltCopy((DrawablePtr)pScreenPriv->pix8,
(DrawablePtr)pScreenPriv->pix8,
GXcopy, &rgnDst, pptSrc, ~0L);
else
cfb32DoBitbltCopy((DrawablePtr)pScreenPriv->pix32,
(DrawablePtr)pScreenPriv->pix32,
GXcopy, &rgnDst, pptSrc, ~0L);
DEALLOCATE_LOCAL(pptSrc);
}
REGION_UNINIT(pScreen, &rgnDst);
if (pPixChildren) {
nbox = REGION_NUM_RECTS(&rgnOther);
pptSrc = (DDXPointPtr) ALLOCATE_LOCAL(nbox * sizeof(DDXPointRec));
if (pptSrc) {
pbox = REGION_RECTS(&rgnOther);
for (i = nbox, ppt = pptSrc; i--; ppt++, pbox++) {
ppt->x = pbox->x1 - rgnOther.extents.x1;
ppt->y = pbox->y1 - rgnOther.extents.y1;
}
if (other_bpp == 8)
cfbDoBitbltCopy((DrawablePtr)pPixChildren,
(DrawablePtr)pScreenPriv->pix8,
GXcopy, &rgnOther, pptSrc, ~0L);
else
cfb32DoBitbltCopy((DrawablePtr)pPixChildren,
(DrawablePtr)pScreenPriv->pix32,
GXcopy, &rgnOther, pptSrc, ~0L);
DEALLOCATE_LOCAL(pptSrc);
}
if (other_bpp == 8)
cfbDestroyPixmap(pPixChildren);
else
cfb32DestroyPixmap(pPixChildren);
}
REGION_UNINIT(pScreen, &rgnOther);
}
static void send_update(void)
{
CL_SLOT *cl = (CL_SLOT *)cur_slot;
BoxRec fb_rect;
RegionRec fb_region, clip_region, outer_region;
CARD8 msg_hdr[4] = {
0, 0, 0, 1
};
CARD8 rect_hdr[12];
int num_copy_rects, num_pending_rects, num_all_rects;
int raw_bytes = 0, hextile_bytes = 0;
int i, idx, rev_order;
static int counter = 0;
#ifdef NETLOGGER
aio_set_serial_number(&cl->s, cl->serial_number);
#endif
counter++;
vncspuLog(1, "Begin send update %d", counter);
CRASSERT(vnc_spu.serverBuffer);
/*crDebug("Enter send_update to %s", cur_slot->name);*/
/* check if clipping has changed since we got the pixels and update
* the pending region if needed.
*/
if (NewClip) {
/*crDebug("Getting updated cliprects");*/
vncspuGetScreenRects(&cl->pending_region);
num_pending_rects = REGION_NUM_RECTS(&cl->pending_region);
/*crDebug("Now, %d rects", num_pending_rects);*/
if (num_pending_rects == 0 && cl->enable_frame_sync) {
/* always need to send _something_ for framesync to work */
BoxRec b;
b.x1 = 0;
b.y1 = 0;
b.x2 = 1;
b.y2 = 1;
REGION_UNINIT(&cl->pending_region);
REGION_INIT(&cl->pending_region, &b, 1);
}
NewClip = 0;
}
/*PrintRegion("Sending", &cl->pending_region);*/
/* Process framebuffer size change. */
if (cl->newfbsize_pending) {
/* Update framebuffer size, clear newfbsize_pending flag. */
cl->fb_width = g_screen_info.width;
cl->fb_height = g_screen_info.height;
cl->newfbsize_pending = 0;
log_write(LL_DEBUG, "Applying new framebuffer size (%dx%d) to %s",
(int)cl->fb_width, (int)cl->fb_height, cur_slot->name);
/* In any case, mark all the framebuffer contents as changed. */
fb_rect.x1 = 0;
fb_rect.y1 = 0;
fb_rect.x2 = cl->fb_width;
fb_rect.y2 = cl->fb_height;
REGION_INIT(&fb_region, &fb_rect, 1);
REGION_COPY(&cl->pending_region, &fb_region);
REGION_UNINIT(&fb_region);
REGION_EMPTY(&cl->copy_region);
/* If NewFBSize is supported by the client, send only NewFBSize
pseudo-rectangle, pixel data will be sent in the next update. */
if (cl->enable_newfbsize) {
send_newfbsize();
vncspuUnlockFrameBuffer();
return;
}
} else {
/* Exclude CopyRect areas covered by pending_region. */
REGION_SUBTRACT(&cl->copy_region, &cl->copy_region, &cl->pending_region);
}
#if 00
if (cl->enable_cliprects_enc && cl->new_cliprects) {
send_new_cliprects();
vncspuUnlockFrameBuffer();
cl->new_cliprects = 0;
return;
}
#endif
/* Clip regions to the rectangle requested by the client. */
REGION_INIT(&clip_region, &cl->update_rect, 1);
REGION_INTERSECT(&cl->pending_region, &cl->pending_region, &clip_region);
if (REGION_NOTEMPTY(&cl->copy_region)) {
REGION_INTERSECT(&cl->copy_region, &cl->copy_region, &clip_region);
REGION_INIT(&outer_region, NullBox, 8);
REGION_COPY(&outer_region, &cl->copy_region);
REGION_TRANSLATE(&clip_region, cl->copy_dx, cl->copy_dy);
REGION_INTERSECT(&cl->copy_region, &cl->copy_region, &clip_region);
REGION_SUBTRACT(&outer_region, &outer_region, &cl->copy_region);
REGION_UNION(&cl->pending_region, &cl->pending_region, &outer_region);
REGION_UNINIT(&outer_region);
}
REGION_UNINIT(&clip_region);
/* Reduce the number of rectangles if possible. */
if (cl->enc_prefer == RFB_ENCODING_TIGHT && cl->enable_lastrect) {
region_pack(&cl->pending_region, 32);
} else {
region_pack(&cl->pending_region, 12);
}
/* Compute the number of rectangles in regions. */
num_pending_rects = REGION_NUM_RECTS(&cl->pending_region);
num_copy_rects = REGION_NUM_RECTS(&cl->copy_region);
num_all_rects = num_pending_rects + num_copy_rects;
if (num_all_rects == 0) {
vncspuUnlockFrameBuffer();
return;
}
log_write(LL_DEBUG, "Sending framebuffer update (min %d rects) to %s",
num_all_rects, cur_slot->name);
/* Prepare and send FramebufferUpdate message header. */
/* FIXME: Enable Tight encoding even if LastRect is not supported. */
/* FIXME: Do not send LastRect if all the rectangles are CopyRect. */
if (cl->enc_prefer == RFB_ENCODING_TIGHT && cl->enable_lastrect) {
buf_put_CARD16(&msg_hdr[2], 0xFFFF);
} else {
buf_put_CARD16(&msg_hdr[2], num_all_rects);
}
aio_write(NULL, msg_hdr, 4);
/* Determine the order in which CopyRect rectangles should be sent. */
rev_order = (cl->copy_dy > 0 || (cl->copy_dy == 0 && cl->copy_dx > 0));
/* For each CopyRect rectangle: */
for (i = 0; i < num_copy_rects; i++) {
FB_RECT rect;
AIO_BLOCK *block;
idx = (rev_order) ? num_copy_rects - i - 1 : i;
rect.x = REGION_RECTS(&cl->copy_region)[idx].x1;
rect.y = REGION_RECTS(&cl->copy_region)[idx].y1;
rect.w = REGION_RECTS(&cl->copy_region)[idx].x2 - rect.x;
rect.h = REGION_RECTS(&cl->copy_region)[idx].y2 - rect.y;
rect.src_x = rect.x - cl->copy_dx;
rect.src_y = rect.y - cl->copy_dy;
rect.enc = RFB_ENCODING_COPYRECT;
log_write(LL_DEBUG, "Sending CopyRect rectangle %dx%d at %d,%d to %s",
(int)rect.w, (int)rect.h, (int)rect.x, (int)rect.y,
cur_slot->name);
/* Prepare the CopyRect rectangle. */
block = rfb_encode_copyrect_block(cl, &rect);
/* Send the rectangle.
FIXME: Check for block == NULL? */
aio_write_nocopy(NULL, block);
}
if (cl->enc_prefer == RFB_ENCODING_TIGHT) {
/* needed for successful caching of zlib-compressed data (tight) */
rfb_reset_tight_encoder(cl);
}
if (num_pending_rects) {
/* Lock around fb access so other thread doesn't change contents while
* we're encoding.
*/
#ifdef NETLOGGER
if (vnc_spu.netlogger_url) {
NL_info("vncspu", "spu.encode.begin",
"NODE=s NUMBER=i", vnc_spu.hostname, cl->serial_number);
}
#endif
/* For each of the usual pending rectangles: */
for (i = 0; i < num_pending_rects; i++) {
FB_RECT rect;
AIO_BLOCK *block;
/*
crDebug("sending rect %d of %d: %d, %d .. %d, %d", i, num_pending_rects,
REGION_RECTS(&cl->pending_region)[i].x1,
REGION_RECTS(&cl->pending_region)[i].y1,
REGION_RECTS(&cl->pending_region)[i].x2,
REGION_RECTS(&cl->pending_region)[i].y2);
*/
rect.x = REGION_RECTS(&cl->pending_region)[i].x1;
rect.y = REGION_RECTS(&cl->pending_region)[i].y1;
rect.w = REGION_RECTS(&cl->pending_region)[i].x2 - rect.x;
rect.h = REGION_RECTS(&cl->pending_region)[i].y2 - rect.y;
log_write(LL_DEBUG, "Sending rectangle %dx%d at %d,%d to %s enc 0x%x",
(int)rect.w, (int)rect.h, (int)rect.x, (int)rect.y,
cur_slot->name, cl->enc_prefer);
if (cl->enc_prefer == RFB_ENCODING_TIGHT && cl->enable_lastrect) {
/* Use Tight encoding */
rect.enc = RFB_ENCODING_TIGHT;
/* lock to prevent glReadPixels in other thread changing data */
rfb_encode_tight(cl, &rect);
continue; /* Important! */
} else if (cl->enc_prefer == RFB_ENCODING_RAW24) {
rect.enc = RFB_ENCODING_RAW24;
block = rfb_encode_raw24_block(cl, &rect);
} else if ( cl->enc_prefer != RFB_ENCODING_RAW &&
cl->enc_enable[RFB_ENCODING_HEXTILE] ) {
/* Use Hextile encoding */
rect.enc = RFB_ENCODING_HEXTILE;
block = rfb_encode_hextile_block(cl, &rect);
if (block != NULL) {
hextile_bytes += block->data_size;
raw_bytes += rect.w * rect.h * (cl->format.bits_pixel / 8);
}
} else {
/* Use Raw encoding */
rect.enc = RFB_ENCODING_RAW;
if (vnc_spu.half_rez) {
block = rfb_encode_raw_block_halfrez(cl, &rect);
}
else {
block = rfb_encode_raw_block(cl, &rect);
}
}
/* Send the rectangle.
FIXME: Check for block == NULL? */
aio_write_nocopy(NULL, block);
}
} /* if num_pending_rects */
REGION_EMPTY(&cl->pending_region);
REGION_EMPTY(&cl->copy_region);
/* Send LastRect marker. */
if (cl->enc_prefer == RFB_ENCODING_TIGHT && cl->enable_lastrect) {
FB_RECT rect;
rect.x = rect.y = rect.w = rect.h = 0;
rect.enc = RFB_ENCODING_LASTRECT;
put_rect_header(rect_hdr, &rect);
aio_write(NULL, rect_hdr, 12);
}
/* Set the last block's callback function */
/* All prev blocks had NULL callbacks */
assert(cur_slot->outqueue_last);
if (cur_slot->outqueue_last) {
cur_slot->outqueue_last->func = wf_client_update_finished;
}
/* Something has been queued for sending. */
cl->update_in_progress = 1;
cl->update_requested = 0;
#ifdef NETLOGGER
if (vnc_spu.netlogger_url) {
NL_info("vncspu", "spu.encode.end",
"NODE=s NUMBER=i", vnc_spu.hostname, cl->serial_number);
}
aio_set_serial_number(&cl->s, 0);
#endif
vncspuUnlockFrameBuffer(); /* encoder done with buffer */
/*crDebug("Leave send_update");*/
vncspuLog(1, "End send update %d", counter);
}
