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;
RegionTranslate(prgnSrc, -dx, -dy);
RegionNull(&rgnDst);
RegionIntersect(&rgnDst, &pWin->borderClip, prgnSrc);
#ifdef COMPOSITE
if (pPixmap->screen_x || pPixmap->screen_y)
RegionTranslate(&rgnDst, -pPixmap->screen_x, -pPixmap->screen_y);
#endif
miCopyRegion(pDrawable, pDrawable,
0, &rgnDst, dx, dy, fbCopyWindowProc, 0, 0);
RegionUninit(&rgnDst);
fbValidateDrawable(&pWin->drawable);
}
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) {
RegionNull(&rgnDst);
RegionCopy(&rgnDst, prgn);
RegionTranslate(&rgnDst,
pWin->drawable.x - ptOldOrg.x,
pWin->drawable.y - ptOldOrg.y);
RegionIntersect(&rgnDst, &pWin->borderClip, &rgnDst);
if ((num = RegionNumRects(&rgnDst))) {
if (pPriv->preRefresh)
(*pPriv->preRefresh) (pPriv->pScrn, num, RegionRects(&rgnDst));
}
else {
RegionUninit(&rgnDst);
}
}
pScreen->CopyWindow = pPriv->CopyWindow;
(*pScreen->CopyWindow) (pWin, ptOldOrg, prgn);
pScreen->CopyWindow = ShadowCopyWindow;
if (num) {
if (pPriv->postRefresh)
(*pPriv->postRefresh) (pPriv->pScrn, num, RegionRects(&rgnDst));
RegionUninit(&rgnDst);
}
}
void
XAACopyWindow(
WindowPtr pWin,
DDXPointRec ptOldOrg,
RegionPtr prgnSrc )
{
DDXPointPtr pptSrc, ppt;
RegionRec rgnDst;
BoxPtr pbox;
int dx, dy, nbox;
WindowPtr pwinRoot;
ScreenPtr pScreen = pWin->drawable.pScreen;
XAAInfoRecPtr infoRec =
GET_XAAINFORECPTR_FROM_DRAWABLE((&pWin->drawable));
if (!infoRec->pScrn->vtSema || !infoRec->ScreenToScreenBitBlt) {
XAA_SCREEN_PROLOGUE (pScreen, CopyWindow);
if(infoRec->pScrn->vtSema && infoRec->NeedToSync) {
(*infoRec->Sync)(infoRec->pScrn);
infoRec->NeedToSync = FALSE;
}
(*pScreen->CopyWindow) (pWin, ptOldOrg, prgnSrc);
XAA_SCREEN_EPILOGUE (pScreen, CopyWindow, XAACopyWindow);
return;
}
pwinRoot = pScreen->root;
RegionNull(&rgnDst);
dx = ptOldOrg.x - pWin->drawable.x;
dy = ptOldOrg.y - pWin->drawable.y;
RegionTranslate(prgnSrc, -dx, -dy);
RegionIntersect(&rgnDst, &pWin->borderClip, prgnSrc);
pbox = RegionRects(&rgnDst);
nbox = RegionNumRects(&rgnDst);
if(!nbox ||
!(pptSrc = (DDXPointPtr )malloc(nbox * sizeof(DDXPointRec)))) {
RegionUninit(&rgnDst);
return;
}
ppt = pptSrc;
while(nbox--) {
ppt->x = pbox->x1 + dx;
ppt->y = pbox->y1 + dy;
ppt++; pbox++;
}
infoRec->ScratchGC.planemask = ~0L;
infoRec->ScratchGC.alu = GXcopy;
XAADoBitBlt((DrawablePtr)pwinRoot, (DrawablePtr)pwinRoot,
&(infoRec->ScratchGC), &rgnDst, pptSrc);
free(pptSrc);
RegionUninit(&rgnDst);
}
/**
* find if the remote window denoted by a_remote
* is paired with an internal Window within the Xephyr server.
* If the remove window is paired with an internal window, send an
* expose event to the client insterested in the internal window expose event.
*
* Pairing happens when a drawable inside Xephyr is associated with
* a GL surface in a DRI environment.
* Look at the function ProcXF86DRICreateDrawable in ephyrdriext.c to
* know a paired window is created.
*
* This is useful to make GL drawables (only windows for now) handle
* expose events and send those events to clients.
*/
static void
ephyrExposePairedWindow(int a_remote)
{
EphyrWindowPair *pair = NULL;
RegionRec reg;
ScreenPtr screen;
if (!findWindowPairFromRemote(a_remote, &pair)) {
EPHYR_LOG("did not find a pair for this window\n");
return;
}
screen = pair->local->drawable.pScreen;
RegionNull(®);
RegionCopy(®, &pair->local->clipList);
screen->WindowExposures(pair->local, ®);
RegionUninit(®);
}
Bool
shadowSetup(ScreenPtr pScreen)
{
shadowBufPtr pBuf;
if (!dixRegisterPrivateKey(&shadowScrPrivateKeyRec, PRIVATE_SCREEN, 0))
return FALSE;
if (!DamageSetup(pScreen))
return FALSE;
pBuf = malloc(sizeof(shadowBufRec));
if (!pBuf)
return FALSE;
#ifdef BACKWARDS_COMPATIBILITY
pBuf->pDamage = DamageCreate((DamageReportFunc) shadowReportFunc,
(DamageDestroyFunc) NULL,
DamageReportRawRegion, TRUE, pScreen, pScreen);
#else
pBuf->pDamage = DamageCreate((DamageReportFunc) NULL,
(DamageDestroyFunc) NULL,
DamageReportNone, TRUE, pScreen, pScreen);
#endif
if (!pBuf->pDamage) {
free(pBuf);
return FALSE;
}
wrap(pBuf, pScreen, CloseScreen);
wrap(pBuf, pScreen, GetImage);
pBuf->update = 0;
pBuf->window = 0;
pBuf->pPixmap = 0;
pBuf->closure = 0;
pBuf->randr = 0;
#ifdef BACKWARDS_COMPATIBILITY
RegionNull(&pBuf->damage); /* bc */
#endif
dixSetPrivate(&pScreen->devPrivates, shadowScrPrivateKey, pBuf);
return TRUE;
}
bool
sna_tiling_fill_boxes(struct sna *sna,
CARD8 op,
PictFormat format,
const xRenderColor *color,
PixmapPtr dst, struct kgem_bo *dst_bo,
const BoxRec *box, int n)
{
RegionRec region, tile, this;
struct kgem_bo *bo;
int step;
bool ret = false;
pixman_region_init_rects(®ion, box, n);
/* Use a small step to accommodate enlargement through tile alignment */
step = sna->render.max_3d_size;
if (region.extents.x1 & (8*512 / dst->drawable.bitsPerPixel - 1) ||
region.extents.y1 & 63)
step /= 2;
while (step * step * 4 > sna->kgem.max_copy_tile_size)
step /= 2;
DBG(("%s (op=%d, format=%x, color=(%04x,%04x,%04x, %04x), tile.size=%d, box=%dx[(%d, %d), (%d, %d)])\n",
__FUNCTION__, op, (int)format,
color->red, color->green, color->blue, color->alpha,
step, n,
region.extents.x1, region.extents.y1,
region.extents.x2, region.extents.y2));
for (tile.extents.y1 = tile.extents.y2 = region.extents.y1;
tile.extents.y2 < region.extents.y2;
tile.extents.y1 = tile.extents.y2) {
int y2 = tile.extents.y1 + step;
if (y2 > region.extents.y2)
y2 = region.extents.y2;
tile.extents.y2 = y2;
for (tile.extents.x1 = tile.extents.x2 = region.extents.x1;
tile.extents.x2 < region.extents.x2;
tile.extents.x1 = tile.extents.x2) {
PixmapRec tmp;
int x2 = tile.extents.x1 + step;
if (x2 > region.extents.x2)
x2 = region.extents.x2;
tile.extents.x2 = x2;
tile.data = NULL;
RegionNull(&this);
RegionIntersect(&this, ®ion, &tile);
if (RegionNil(&this))
continue;
tmp.drawable.width = this.extents.x2 - this.extents.x1;
tmp.drawable.height = this.extents.y2 - this.extents.y1;
tmp.drawable.depth = dst->drawable.depth;
tmp.drawable.bitsPerPixel = dst->drawable.bitsPerPixel;
tmp.devPrivate.ptr = NULL;
bo = kgem_create_2d(&sna->kgem,
tmp.drawable.width,
tmp.drawable.height,
dst->drawable.bitsPerPixel,
kgem_choose_tiling(&sna->kgem,
I915_TILING_X,
tmp.drawable.width,
tmp.drawable.height,
dst->drawable.bitsPerPixel),
CREATE_TEMPORARY);
if (bo) {
int16_t dx = this.extents.x1;
int16_t dy = this.extents.y1;
assert(kgem_bo_can_blt(&sna->kgem, bo));
if (!sna->render.copy_boxes(sna, GXcopy,
dst, dst_bo, 0, 0,
&tmp, bo, -dx, -dy,
REGION_RECTS(&this), REGION_NUM_RECTS(&this), 0))
goto err;
RegionTranslate(&this, -dx, -dy);
if (!sna->render.fill_boxes(sna, op, format, color,
&tmp, bo,
REGION_RECTS(&this), REGION_NUM_RECTS(&this)))
goto err;
if (!sna->render.copy_boxes(sna, GXcopy,
&tmp, bo, 0, 0,
dst, dst_bo, dx, dy,
REGION_RECTS(&this), REGION_NUM_RECTS(&this), 0))
goto err;
kgem_bo_destroy(&sna->kgem, bo);
}
RegionUninit(&this);
}
}
ret = true;
goto done;
err:
kgem_bo_destroy(&sna->kgem, bo);
RegionUninit(&this);
done:
pixman_region_fini(®ion);
return ret;
}
/**
* If the pixmap has both a framebuffer and system memory copy, this function
* asserts that both of them are the same.
*/
static Bool
exaAssertNotDirty(PixmapPtr pPixmap)
{
ExaPixmapPriv(pPixmap);
CARD8 *dst, *src;
RegionRec ValidReg;
int dst_pitch, src_pitch, cpp, y, nbox, save_pitch;
BoxPtr pBox;
Bool ret = TRUE, save_use_gpu_copy;
if (exaPixmapIsPinned(pPixmap) || pExaPixmap->area == NULL)
return ret;
RegionNull(&ValidReg);
RegionIntersect(&ValidReg, &pExaPixmap->validFB, &pExaPixmap->validSys);
nbox = RegionNumRects(&ValidReg);
if (!nbox)
goto out;
pBox = RegionRects(&ValidReg);
dst_pitch = pExaPixmap->sys_pitch;
src_pitch = pExaPixmap->fb_pitch;
cpp = pPixmap->drawable.bitsPerPixel / 8;
save_use_gpu_copy = pExaPixmap->use_gpu_copy;
save_pitch = pPixmap->devKind;
pExaPixmap->use_gpu_copy = TRUE;
pPixmap->devKind = pExaPixmap->fb_pitch;
if (!ExaDoPrepareAccess(pPixmap, EXA_PREPARE_SRC))
goto skip;
while (nbox--) {
int rowbytes;
pBox->x1 = max(pBox->x1, 0);
pBox->y1 = max(pBox->y1, 0);
pBox->x2 = min(pBox->x2, pPixmap->drawable.width);
pBox->y2 = min(pBox->y2, pPixmap->drawable.height);
if (pBox->x1 >= pBox->x2 || pBox->y1 >= pBox->y2)
continue;
rowbytes = (pBox->x2 - pBox->x1) * cpp;
src =
(CARD8 *) pPixmap->devPrivate.ptr + pBox->y1 * src_pitch +
pBox->x1 * cpp;
dst = pExaPixmap->sys_ptr + pBox->y1 * dst_pitch + pBox->x1 * cpp;
for (y = pBox->y1; y < pBox->y2;
y++, src += src_pitch, dst += dst_pitch) {
if (memcmp(dst, src, rowbytes) != 0) {
ret = FALSE;
exaPixmapDirty(pPixmap, pBox->x1, pBox->y1, pBox->x2, pBox->y2);
break;
}
}
}
skip:
exaFinishAccess(&pPixmap->drawable, EXA_PREPARE_SRC);
pExaPixmap->use_gpu_copy = save_use_gpu_copy;
pPixmap->devKind = save_pitch;
out:
RegionUninit(&ValidReg);
return ret;
}
/**
* If the pixmap is currently dirty, this copies at least the dirty area from
* FB to system or vice versa. Both areas must be allocated.
*/
static void
exaCopyDirty(ExaMigrationPtr migrate, RegionPtr pValidDst, RegionPtr pValidSrc,
Bool (*transfer) (PixmapPtr pPix, int x, int y, int w, int h,
char *sys, int sys_pitch), int fallback_index,
void (*sync) (ScreenPtr pScreen))
{
PixmapPtr pPixmap = migrate->pPix;
ExaPixmapPriv(pPixmap);
RegionPtr damage = DamageRegion(pExaPixmap->pDamage);
RegionRec CopyReg;
Bool save_use_gpu_copy;
int save_pitch;
BoxPtr pBox;
int nbox;
Bool access_prepared = FALSE;
Bool need_sync = FALSE;
/* Damaged bits are valid in current copy but invalid in other one */
if (pExaPixmap->use_gpu_copy) {
RegionUnion(&pExaPixmap->validFB, &pExaPixmap->validFB, damage);
RegionSubtract(&pExaPixmap->validSys, &pExaPixmap->validSys, damage);
}
else {
RegionUnion(&pExaPixmap->validSys, &pExaPixmap->validSys, damage);
RegionSubtract(&pExaPixmap->validFB, &pExaPixmap->validFB, damage);
}
RegionEmpty(damage);
/* Copy bits valid in source but not in destination */
RegionNull(&CopyReg);
RegionSubtract(&CopyReg, pValidSrc, pValidDst);
if (migrate->as_dst) {
ExaScreenPriv(pPixmap->drawable.pScreen);
/* XXX: The pending damage region will be marked as damaged after the
* operation, so it should serve as an upper bound for the region that
* needs to be synchronized for the operation. Unfortunately, this
* causes corruption in some cases, e.g. when starting compiz. See
* https://bugs.freedesktop.org/show_bug.cgi?id=12916 .
*/
if (pExaScr->optimize_migration) {
RegionPtr pending_damage = DamagePendingRegion(pExaPixmap->pDamage);
#if DEBUG_MIGRATE
if (RegionNil(pending_damage)) {
static Bool firsttime = TRUE;
if (firsttime) {
ErrorF("%s: Pending damage region empty!\n", __func__);
firsttime = FALSE;
}
}
#endif
/* Try to prevent destination valid region from growing too many
* rects by filling it up to the extents of the union of the
* destination valid region and the pending damage region.
*/
if (RegionNumRects(pValidDst) > 10) {
BoxRec box;
BoxPtr pValidExt, pDamageExt;
RegionRec closure;
pValidExt = RegionExtents(pValidDst);
pDamageExt = RegionExtents(pending_damage);
box.x1 = min(pValidExt->x1, pDamageExt->x1);
box.y1 = min(pValidExt->y1, pDamageExt->y1);
box.x2 = max(pValidExt->x2, pDamageExt->x2);
box.y2 = max(pValidExt->y2, pDamageExt->y2);
RegionInit(&closure, &box, 0);
RegionIntersect(&CopyReg, &CopyReg, &closure);
}
else
RegionIntersect(&CopyReg, &CopyReg, pending_damage);
}
/* The caller may provide a region to be subtracted from the calculated
* dirty region. This is to avoid migration of bits that don't
* contribute to the result of the operation.
*/
if (migrate->pReg)
RegionSubtract(&CopyReg, &CopyReg, migrate->pReg);
}
else {
/* The caller may restrict the region to be migrated for source pixmaps
* to what's relevant for the operation.
*/
if (migrate->pReg)
RegionIntersect(&CopyReg, &CopyReg, migrate->pReg);
}
pBox = RegionRects(&CopyReg);
nbox = RegionNumRects(&CopyReg);
save_use_gpu_copy = pExaPixmap->use_gpu_copy;
save_pitch = pPixmap->devKind;
pExaPixmap->use_gpu_copy = TRUE;
pPixmap->devKind = pExaPixmap->fb_pitch;
while (nbox--) {
pBox->x1 = max(pBox->x1, 0);
pBox->y1 = max(pBox->y1, 0);
pBox->x2 = min(pBox->x2, pPixmap->drawable.width);
pBox->y2 = min(pBox->y2, pPixmap->drawable.height);
if (pBox->x1 >= pBox->x2 || pBox->y1 >= pBox->y2)
continue;
if (!transfer || !transfer(pPixmap,
pBox->x1, pBox->y1,
pBox->x2 - pBox->x1,
pBox->y2 - pBox->y1,
(char *) (pExaPixmap->sys_ptr
+ pBox->y1 * pExaPixmap->sys_pitch
+
pBox->x1 *
pPixmap->drawable.bitsPerPixel /
8), pExaPixmap->sys_pitch)) {
if (!access_prepared) {
ExaDoPrepareAccess(pPixmap, fallback_index);
access_prepared = TRUE;
}
if (fallback_index == EXA_PREPARE_DEST) {
exaMemcpyBox(pPixmap, pBox,
pExaPixmap->sys_ptr, pExaPixmap->sys_pitch,
pPixmap->devPrivate.ptr, pPixmap->devKind);
}
else {
exaMemcpyBox(pPixmap, pBox,
pPixmap->devPrivate.ptr, pPixmap->devKind,
pExaPixmap->sys_ptr, pExaPixmap->sys_pitch);
}
}
else
need_sync = TRUE;
pBox++;
}
pExaPixmap->use_gpu_copy = save_use_gpu_copy;
pPixmap->devKind = save_pitch;
/* Try to prevent source valid region from growing too many rects by
* removing parts of it which are also in the destination valid region.
* Removing anything beyond that would lead to data loss.
*/
if (RegionNumRects(pValidSrc) > 20)
RegionSubtract(pValidSrc, pValidSrc, pValidDst);
/* The copied bits are now valid in destination */
RegionUnion(pValidDst, pValidDst, &CopyReg);
RegionUninit(&CopyReg);
if (access_prepared)
exaFinishAccess(&pPixmap->drawable, fallback_index);
else if (need_sync && sync)
sync(pPixmap->drawable.pScreen);
}
void
XAAOverCopyWindow(WindowPtr pWin, DDXPointRec ptOldOrg, RegionPtr prgnSrc)
{
ScreenPtr pScreen = pWin->drawable.pScreen;
XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCREEN(pScreen);
XAAOverlayPtr pOverPriv = GET_OVERLAY_PRIV(pScreen);
ScrnInfoPtr pScrn = infoRec->pScrn;
DDXPointPtr ppt, pptSrc;
RegionRec rgnDst;
BoxPtr pbox;
int i, nbox, dx, dy;
WindowPtr pRoot = pScreen->root;
if (!pScrn->vtSema || !infoRec->ScreenToScreenBitBlt) {
XAA_SCREEN_PROLOGUE(pScreen, CopyWindow);
if (pScrn->vtSema && infoRec->NeedToSync) {
(*infoRec->Sync) (pScrn);
infoRec->NeedToSync = FALSE;
}
(*pScreen->CopyWindow) (pWin, ptOldOrg, prgnSrc);
XAA_SCREEN_EPILOGUE(pScreen, CopyWindow, XAAOverCopyWindow);
return;
}
infoRec->ScratchGC.alu = GXcopy;
infoRec->ScratchGC.planemask = ~0;
RegionNull(&rgnDst);
dx = ptOldOrg.x - pWin->drawable.x;
dy = ptOldOrg.y - pWin->drawable.y;
RegionTranslate(prgnSrc, -dx, -dy);
RegionIntersect(&rgnDst, &pWin->borderClip, prgnSrc);
nbox = RegionNumRects(&rgnDst);
if (nbox && (pptSrc = (DDXPointPtr) malloc(nbox * sizeof(DDXPointRec)))) {
pbox = RegionRects(&rgnDst);
for (i = nbox, ppt = pptSrc; i--; ppt++, pbox++) {
ppt->x = pbox->x1 + dx;
ppt->y = pbox->y1 + dy;
}
SWITCH_DEPTH(8);
XAADoBitBlt((DrawablePtr) pRoot, (DrawablePtr) pRoot,
&(infoRec->ScratchGC), &rgnDst, pptSrc);
if (pWin->drawable.bitsPerPixel != 8) {
SWITCH_DEPTH(pScrn->depth);
XAADoBitBlt((DrawablePtr) pRoot, (DrawablePtr) pRoot,
&(infoRec->ScratchGC), &rgnDst, pptSrc);
}
free(pptSrc);
}
RegionUninit(&rgnDst);
if (pWin->drawable.depth == 8) {
RegionNull(&rgnDst);
miSegregateChildren(pWin, &rgnDst, pScrn->depth);
if (RegionNotEmpty(&rgnDst)) {
RegionIntersect(&rgnDst, &rgnDst, prgnSrc);
nbox = RegionNumRects(&rgnDst);
if (nbox &&
(pptSrc = (DDXPointPtr) malloc(nbox * sizeof(DDXPointRec)))) {
pbox = RegionRects(&rgnDst);
for (i = nbox, ppt = pptSrc; i--; ppt++, pbox++) {
ppt->x = pbox->x1 + dx;
ppt->y = pbox->y1 + dy;
}
SWITCH_DEPTH(pScrn->depth);
XAADoBitBlt((DrawablePtr) pRoot, (DrawablePtr) pRoot,
&(infoRec->ScratchGC), &rgnDst, pptSrc);
free(pptSrc);
}
}
RegionUninit(&rgnDst);
}
}
/*
* Redirect one window for one client
*/
int
compRedirectWindow(ClientPtr pClient, WindowPtr pWin, int update)
{
CompWindowPtr cw = GetCompWindow(pWin);
CompClientWindowPtr ccw;
CompScreenPtr cs = GetCompScreen(pWin->drawable.pScreen);
WindowPtr pLayerWin = NULL;
Bool anyMarked = FALSE;
if (pWin == cs->pOverlayWin) {
return Success;
}
if (!pWin->parent)
return BadMatch;
/*
* Only one Manual update is allowed
*/
if (cw && update == CompositeRedirectManual)
for (ccw = cw->clients; ccw; ccw = ccw->next)
if (ccw->update == CompositeRedirectManual)
return BadAccess;
/*
* Allocate per-client per-window structure
* The client *could* allocate multiple, but while supported,
* it is not expected to be common
*/
ccw = malloc(sizeof(CompClientWindowRec));
if (!ccw)
return BadAlloc;
ccw->id = FakeClientID(pClient->index);
ccw->update = update;
/*
* Now make sure there's a per-window structure to hang this from
*/
if (!cw) {
cw = malloc(sizeof(CompWindowRec));
if (!cw) {
free(ccw);
return BadAlloc;
}
cw->damage = DamageCreate(compReportDamage,
compDestroyDamage,
DamageReportNonEmpty,
FALSE, pWin->drawable.pScreen, pWin);
if (!cw->damage) {
free(ccw);
free(cw);
return BadAlloc;
}
anyMarked = compMarkWindows(pWin, &pLayerWin);
RegionNull(&cw->borderClip);
cw->update = CompositeRedirectAutomatic;
cw->clients = 0;
cw->oldx = COMP_ORIGIN_INVALID;
cw->oldy = COMP_ORIGIN_INVALID;
cw->damageRegistered = FALSE;
cw->damaged = FALSE;
cw->pOldPixmap = NullPixmap;
dixSetPrivate(&pWin->devPrivates, CompWindowPrivateKey, cw);
}
ccw->next = cw->clients;
cw->clients = ccw;
if (!AddResource(ccw->id, CompositeClientWindowType, pWin))
return BadAlloc;
if (ccw->update == CompositeRedirectManual) {
if (!anyMarked)
anyMarked = compMarkWindows(pWin, &pLayerWin);
if (cw->damageRegistered) {
DamageUnregister(&pWin->drawable, cw->damage);
cw->damageRegistered = FALSE;
}
cw->update = CompositeRedirectManual;
}
else if (cw->update == CompositeRedirectAutomatic && !cw->damageRegistered) {
if (!anyMarked)
anyMarked = compMarkWindows(pWin, &pLayerWin);
}
if (!compCheckRedirect(pWin)) {
FreeResource(ccw->id, RT_NONE);
return BadAlloc;
}
if (anyMarked)
compHandleMarkedWindows(pWin, pLayerWin);
return 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(ClientPtr client,
RegionPtr pVisibleRegion,
long widthBytesLine,
DrawablePtr pDraw,
int x, int y, int w, int h, unsigned int format, char *pBuf)
{
RegionRec imageRegion; /* region representing x,y,w,h */
RegionRec censorRegion; /* region to obliterate */
BoxRec imageBox;
int nRects;
imageBox.x1 = x;
imageBox.y1 = y;
imageBox.x2 = x + w;
imageBox.y2 = y + h;
RegionInit(&imageRegion, &imageBox, 1);
RegionNull(&censorRegion);
/* censorRegion = imageRegion - visibleRegion */
RegionSubtract(&censorRegion, &imageRegion, pVisibleRegion);
nRects = RegionNumRects(&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 = malloc(nRects * sizeof(xRectangle));
if (!pRects) {
failed = TRUE;
goto failSafe;
}
for (pBox = RegionRects(&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.
*/
memset(pBuf, 0, (int) (widthBytesLine * h));
}
free(pRects);
if (pScratchGC)
FreeScratchGC(pScratchGC);
if (pPix)
FreeScratchPixmapHeader(pPix);
}
RegionUninit(&imageRegion);
RegionUninit(&censorRegion);
} /* XaceCensorImage */
RegionPtr
miDoCopy(DrawablePtr pSrcDrawable,
DrawablePtr pDstDrawable,
GCPtr pGC,
int xIn,
int yIn,
int widthSrc,
int heightSrc,
int xOut, int yOut, miCopyProc copyProc, Pixel bitPlane, void *closure)
{
RegionPtr prgnSrcClip = NULL; /* may be a new region, or just a copy */
Bool freeSrcClip = FALSE;
RegionPtr prgnExposed = NULL;
RegionRec rgnDst;
int dx;
int dy;
int numRects;
int box_x1;
int box_y1;
int box_x2;
int box_y2;
Bool fastSrc = FALSE; /* for fast clipping with pixmap source */
Bool fastDst = FALSE; /* for fast clipping with one rect dest */
Bool fastExpose = FALSE; /* for fast exposures with pixmap source */
/* Short cut for unmapped or fully clipped windows */
if (pDstDrawable->type == DRAWABLE_WINDOW &&
RegionNil(&((WindowPtr)pDstDrawable)->clipList)) {
return NULL;
}
if (pSrcDrawable->pScreen->SourceValidate) {
(*pSrcDrawable->pScreen->SourceValidate) (pSrcDrawable, xIn, yIn,
widthSrc, heightSrc,
pGC->subWindowMode);
}
/* Compute source clip region */
if (pSrcDrawable->type == DRAWABLE_PIXMAP) {
if ((pSrcDrawable == pDstDrawable) && (!pGC->clientClip))
prgnSrcClip = miGetCompositeClip(pGC);
else
fastSrc = TRUE;
}
else {
if (pGC->subWindowMode == IncludeInferiors) {
/*
* XFree86 DDX empties the border clip when the
* VT is inactive, make sure the region isn't empty
*/
if (!((WindowPtr) pSrcDrawable)->parent &&
RegionNotEmpty(&((WindowPtr) pSrcDrawable)->borderClip)) {
/*
* special case bitblt from root window in
* IncludeInferiors mode; just like from a pixmap
*/
fastSrc = TRUE;
}
else if ((pSrcDrawable == pDstDrawable) && (!pGC->clientClip)) {
prgnSrcClip = miGetCompositeClip(pGC);
}
else {
prgnSrcClip = NotClippedByChildren((WindowPtr) pSrcDrawable);
freeSrcClip = TRUE;
}
}
else {
prgnSrcClip = &((WindowPtr) pSrcDrawable)->clipList;
}
}
xIn += pSrcDrawable->x;
yIn += pSrcDrawable->y;
xOut += pDstDrawable->x;
yOut += pDstDrawable->y;
box_x1 = xIn;
box_y1 = yIn;
box_x2 = xIn + widthSrc;
box_y2 = yIn + heightSrc;
dx = xIn - xOut;
dy = yIn - yOut;
/* Don't create a source region if we are doing a fast clip */
if (fastSrc) {
RegionPtr cclip;
fastExpose = TRUE;
/*
* clip the source; if regions extend beyond the source size,
* make sure exposure events get sent
*/
if (box_x1 < pSrcDrawable->x) {
box_x1 = pSrcDrawable->x;
fastExpose = FALSE;
}
if (box_y1 < pSrcDrawable->y) {
box_y1 = pSrcDrawable->y;
fastExpose = FALSE;
}
if (box_x2 > pSrcDrawable->x + (int) pSrcDrawable->width) {
box_x2 = pSrcDrawable->x + (int) pSrcDrawable->width;
fastExpose = FALSE;
}
if (box_y2 > pSrcDrawable->y + (int) pSrcDrawable->height) {
box_y2 = pSrcDrawable->y + (int) pSrcDrawable->height;
fastExpose = FALSE;
}
/* Translate and clip the dst to the destination composite clip */
box_x1 -= dx;
box_x2 -= dx;
box_y1 -= dy;
box_y2 -= dy;
/* If the destination composite clip is one rectangle we can
do the clip directly. Otherwise we have to create a full
blown region and call intersect */
cclip = miGetCompositeClip(pGC);
if (RegionNumRects(cclip) == 1) {
BoxPtr pBox = RegionRects(cclip);
if (box_x1 < pBox->x1)
box_x1 = pBox->x1;
if (box_x2 > pBox->x2)
box_x2 = pBox->x2;
if (box_y1 < pBox->y1)
box_y1 = pBox->y1;
if (box_y2 > pBox->y2)
box_y2 = pBox->y2;
fastDst = TRUE;
}
}
/* Check to see if the region is empty */
if (box_x1 >= box_x2 || box_y1 >= box_y2) {
RegionNull(&rgnDst);
}
else {
BoxRec box;
box.x1 = box_x1;
box.y1 = box_y1;
box.x2 = box_x2;
box.y2 = box_y2;
RegionInit(&rgnDst, &box, 1);
}
/* Clip against complex source if needed */
if (!fastSrc) {
RegionIntersect(&rgnDst, &rgnDst, prgnSrcClip);
RegionTranslate(&rgnDst, -dx, -dy);
}
/* Clip against complex dest if needed */
if (!fastDst) {
RegionIntersect(&rgnDst, &rgnDst, miGetCompositeClip(pGC));
}
/* Do bit blitting */
numRects = RegionNumRects(&rgnDst);
if (numRects && widthSrc && heightSrc)
miCopyRegion(pSrcDrawable, pDstDrawable, pGC,
&rgnDst, dx, dy, copyProc, bitPlane, closure);
/* Pixmap sources generate a NoExposed (we return NULL to do this) */
if (!fastExpose && pGC->fExpose)
prgnExposed = miHandleExposures(pSrcDrawable, pDstDrawable, pGC,
xIn - pSrcDrawable->x,
yIn - pSrcDrawable->y,
widthSrc, heightSrc,
xOut - pDstDrawable->x,
yOut - pDstDrawable->y);
RegionUninit(&rgnDst);
if (freeSrcClip)
RegionDestroy(prgnSrcClip);
return prgnExposed;
}
RegionPtr
miHandleExposures(DrawablePtr pSrcDrawable, DrawablePtr pDstDrawable,
GCPtr pGC, int srcx, int srcy, int width, int height,
int dstx, int dsty)
{
RegionPtr prgnSrcClip; /* drawable-relative source clip */
RegionRec rgnSrcRec;
RegionPtr prgnDstClip; /* drawable-relative dest clip */
RegionRec rgnDstRec;
BoxRec srcBox; /* unclipped source */
RegionRec rgnExposed; /* exposed region, calculated source-
relative, made dst relative to
intersect with visible parts of
dest and send events to client,
and then screen relative to paint
the window background
*/
WindowPtr pSrcWin;
BoxRec expBox = { 0, };
Bool extents;
/* avoid work if we can */
if (!pGC->graphicsExposures && pDstDrawable->type == DRAWABLE_PIXMAP)
return NULL;
srcBox.x1 = srcx;
srcBox.y1 = srcy;
srcBox.x2 = srcx + width;
srcBox.y2 = srcy + height;
if (pSrcDrawable->type != DRAWABLE_PIXMAP) {
BoxRec TsrcBox;
TsrcBox.x1 = srcx + pSrcDrawable->x;
TsrcBox.y1 = srcy + pSrcDrawable->y;
TsrcBox.x2 = TsrcBox.x1 + width;
TsrcBox.y2 = TsrcBox.y1 + height;
pSrcWin = (WindowPtr) pSrcDrawable;
if (pGC->subWindowMode == IncludeInferiors) {
prgnSrcClip = NotClippedByChildren(pSrcWin);
if ((RegionContainsRect(prgnSrcClip, &TsrcBox)) == rgnIN) {
RegionDestroy(prgnSrcClip);
return NULL;
}
}
else {
if ((RegionContainsRect(&pSrcWin->clipList, &TsrcBox)) == rgnIN)
return NULL;
prgnSrcClip = &rgnSrcRec;
RegionNull(prgnSrcClip);
RegionCopy(prgnSrcClip, &pSrcWin->clipList);
}
RegionTranslate(prgnSrcClip, -pSrcDrawable->x, -pSrcDrawable->y);
}
else {
BoxRec box;
if ((srcBox.x1 >= 0) && (srcBox.y1 >= 0) &&
(srcBox.x2 <= pSrcDrawable->width) &&
(srcBox.y2 <= pSrcDrawable->height))
return NULL;
box.x1 = 0;
box.y1 = 0;
box.x2 = pSrcDrawable->width;
box.y2 = pSrcDrawable->height;
prgnSrcClip = &rgnSrcRec;
RegionInit(prgnSrcClip, &box, 1);
pSrcWin = NULL;
}
if (pDstDrawable == pSrcDrawable) {
prgnDstClip = prgnSrcClip;
}
else if (pDstDrawable->type != DRAWABLE_PIXMAP) {
if (pGC->subWindowMode == IncludeInferiors) {
prgnDstClip = NotClippedByChildren((WindowPtr) pDstDrawable);
}
else {
prgnDstClip = &rgnDstRec;
RegionNull(prgnDstClip);
RegionCopy(prgnDstClip, &((WindowPtr) pDstDrawable)->clipList);
}
RegionTranslate(prgnDstClip, -pDstDrawable->x, -pDstDrawable->y);
}
else {
BoxRec box;
box.x1 = 0;
box.y1 = 0;
box.x2 = pDstDrawable->width;
box.y2 = pDstDrawable->height;
prgnDstClip = &rgnDstRec;
RegionInit(prgnDstClip, &box, 1);
}
/* drawable-relative source region */
RegionInit(&rgnExposed, &srcBox, 1);
/* now get the hidden parts of the source box */
RegionSubtract(&rgnExposed, &rgnExposed, prgnSrcClip);
/* move them over the destination */
RegionTranslate(&rgnExposed, dstx - srcx, dsty - srcy);
/* intersect with visible areas of dest */
RegionIntersect(&rgnExposed, &rgnExposed, prgnDstClip);
/* intersect with client clip region. */
if (pGC->clientClip)
RegionIntersect(&rgnExposed, &rgnExposed, pGC->clientClip);
/*
* If we have LOTS of rectangles, we decide to take the extents
* and force an exposure on that. This should require much less
* work overall, on both client and server. This is cheating, but
* isn't prohibited by the protocol ("spontaneous combustion" :-)
* for windows.
*/
extents = pGC->graphicsExposures &&
(RegionNumRects(&rgnExposed) > RECTLIMIT) &&
(pDstDrawable->type != DRAWABLE_PIXMAP);
if (pSrcWin) {
RegionPtr region;
if (!(region = wClipShape(pSrcWin)))
region = wBoundingShape(pSrcWin);
/*
* If you try to CopyArea the extents of a shaped window, compacting the
* exposed region will undo all our work!
*/
if (extents && pSrcWin && region &&
(RegionContainsRect(region, &srcBox) != rgnIN))
extents = FALSE;
}
if (extents) {
expBox = *RegionExtents(&rgnExposed);
RegionReset(&rgnExposed, &expBox);
}
if ((pDstDrawable->type != DRAWABLE_PIXMAP) &&
(((WindowPtr) pDstDrawable)->backgroundState != None)) {
WindowPtr pWin = (WindowPtr) pDstDrawable;
/* make the exposed area screen-relative */
RegionTranslate(&rgnExposed, pDstDrawable->x, pDstDrawable->y);
if (extents) {
/* PaintWindow doesn't clip, so we have to */
RegionIntersect(&rgnExposed, &rgnExposed, &pWin->clipList);
}
pDstDrawable->pScreen->PaintWindow((WindowPtr) pDstDrawable,
&rgnExposed, PW_BACKGROUND);
if (extents) {
RegionReset(&rgnExposed, &expBox);
}
else
RegionTranslate(&rgnExposed, -pDstDrawable->x, -pDstDrawable->y);
}
if (prgnDstClip == &rgnDstRec) {
RegionUninit(prgnDstClip);
}
else if (prgnDstClip != prgnSrcClip) {
RegionDestroy(prgnDstClip);
}
if (prgnSrcClip == &rgnSrcRec) {
RegionUninit(prgnSrcClip);
}
else {
RegionDestroy(prgnSrcClip);
}
if (pGC->graphicsExposures) {
/* don't look */
RegionPtr exposed = RegionCreate(NullBox, 0);
*exposed = rgnExposed;
return exposed;
}
else {
RegionUninit(&rgnExposed);
return NULL;
}
}
// fixme this is ugly
// Xprint/ValTree.c doesn't work, but maybe that method can?
int
RootlessMiValidateTree (WindowPtr pRoot, /* Parent to validate */
WindowPtr pChild, /* First child of pRoot that was
* affected */
VTKind kind /* What kind of configuration caused call */)
{
RegionRec childClip; /* The new borderClip for the current
* child */
RegionRec exposed; /* For intermediate calculations */
register ScreenPtr pScreen;
register WindowPtr pWin;
pScreen = pRoot->drawable.pScreen;
if (pChild == NullWindow)
pChild = pRoot->firstChild;
RegionNull(&childClip);
RegionNull(&exposed);
if (RegionBroken(&pRoot->clipList) &&
!RegionBroken(&pRoot->borderClip))
{
// fixme this might not work, but hopefully doesn't happen anyway.
kind = VTBroken;
RegionEmpty(&pRoot->clipList);
ErrorF("ValidateTree: BUSTED!\n");
}
/*
* Recursively compute the clips for all children of the root.
* They don't clip against each other or the root itself, so
* childClip is always reset to that child's size.
*/
for (pWin = pChild;
pWin != NullWindow;
pWin = pWin->nextSib)
{
if (pWin->viewable) {
if (pWin->valdata) {
RegionCopy(&childClip, &pWin->borderSize);
RootlessComputeClips (pWin, pScreen, &childClip, kind, &exposed);
} else if (pWin->visibility == VisibilityNotViewable) {
RootlessTreeObscured(pWin);
}
} else {
if (pWin->valdata) {
RegionEmpty(&pWin->clipList);
if (pScreen->ClipNotify)
(* pScreen->ClipNotify) (pWin, 0, 0);
RegionEmpty(&pWin->borderClip);
pWin->valdata = NULL;
}
}
}
RegionUninit(&childClip);
/* The root is never clipped by its children, so nothing on the root
is ever exposed by moving or mapping its children. */
RegionNull(&pRoot->valdata->after.exposed);
RegionNull(&pRoot->valdata->after.borderExposed);
return 1;
}
static bool
sna_tiling_blt_copy_boxes__with_alpha(struct sna *sna, uint8_t alu,
struct kgem_bo *src_bo, int16_t src_dx, int16_t src_dy,
struct kgem_bo *dst_bo, int16_t dst_dx, int16_t dst_dy,
int bpp, int alpha_fixup,
const BoxRec *box, int nbox)
{
RegionRec region, tile, this;
struct kgem_bo *bo;
int max_size, step;
bool ret = false;
if (wedged(sna) ||
!kgem_bo_can_blt(&sna->kgem, src_bo) ||
!kgem_bo_can_blt(&sna->kgem, dst_bo)) {
/* XXX */
DBG(("%s: tiling blt fail: src?=%d, dst?=%d\n",
__FUNCTION__,
kgem_bo_can_blt(&sna->kgem, src_bo),
kgem_bo_can_blt(&sna->kgem, dst_bo)));
return false;
}
max_size = sna->kgem.aperture_high * PAGE_SIZE;
max_size -= MAX(kgem_bo_size(src_bo), kgem_bo_size(dst_bo));
if (max_size <= 0) {
DBG(("%s: tiles cannot fit into aperture\n", __FUNCTION__));
return false;
}
if (max_size > sna->kgem.max_copy_tile_size)
max_size = sna->kgem.max_copy_tile_size;
pixman_region_init_rects(®ion, box, nbox);
/* Use a small step to accommodate enlargement through tile alignment */
step = sna->render.max_3d_size;
if (region.extents.x1 & (8*512 / bpp - 1) || region.extents.y1 & 63)
step /= 2;
while (step * step * 4 > max_size)
step /= 2;
if (sna->kgem.gen < 033)
step /= 2; /* accommodate severe fence restrictions */
if (step == 0) {
DBG(("%s: tiles cannot fit into aperture\n", __FUNCTION__));
return false;
}
DBG(("%s (alu=%d), tile.size=%d, box=%dx[(%d, %d), (%d, %d)])\n",
__FUNCTION__, alu, step, nbox,
region.extents.x1, region.extents.y1,
region.extents.x2, region.extents.y2));
for (tile.extents.y1 = tile.extents.y2 = region.extents.y1;
tile.extents.y2 < region.extents.y2;
tile.extents.y1 = tile.extents.y2) {
int y2 = tile.extents.y1 + step;
if (y2 > region.extents.y2)
y2 = region.extents.y2;
tile.extents.y2 = y2;
for (tile.extents.x1 = tile.extents.x2 = region.extents.x1;
tile.extents.x2 < region.extents.x2;
tile.extents.x1 = tile.extents.x2) {
int w, h;
int x2 = tile.extents.x1 + step;
if (x2 > region.extents.x2)
x2 = region.extents.x2;
tile.extents.x2 = x2;
tile.data = NULL;
RegionNull(&this);
RegionIntersect(&this, ®ion, &tile);
if (RegionNil(&this))
continue;
w = this.extents.x2 - this.extents.x1;
h = this.extents.y2 - this.extents.y1;
bo = kgem_create_2d(&sna->kgem, w, h, bpp,
kgem_choose_tiling(&sna->kgem,
I915_TILING_X,
w, h, bpp),
CREATE_TEMPORARY);
if (bo) {
int16_t dx = this.extents.x1;
int16_t dy = this.extents.y1;
assert(bo->pitch <= 8192);
assert(bo->tiling != I915_TILING_Y);
if (!sna_blt_copy_boxes(sna, GXcopy,
src_bo, src_dx, src_dy,
bo, -dx, -dy,
bpp, REGION_RECTS(&this), REGION_NUM_RECTS(&this)))
goto err;
if (!sna_blt_copy_boxes__with_alpha(sna, alu,
bo, -dx, -dy,
dst_bo, dst_dx, dst_dy,
bpp, alpha_fixup,
REGION_RECTS(&this), REGION_NUM_RECTS(&this)))
goto err;
kgem_bo_destroy(&sna->kgem, bo);
}
RegionUninit(&this);
}
}
ret = true;
goto done;
err:
kgem_bo_destroy(&sna->kgem, bo);
RegionUninit(&this);
done:
pixman_region_fini(®ion);
return ret;
}
/*
*-----------------------------------------------------------------------
* miComputeClips --
* 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
miComputeClips (
WindowPtr pParent,
ScreenPtr pScreen,
RegionPtr universe,
VTKind kind,
RegionPtr exposed ) /* for intermediate calculations */
{
int dx,
dy;
RegionRec childUniverse;
WindowPtr pChild;
int oldVis, newVis;
BoxRec borderSize;
RegionRec childUnion;
Bool overlap;
RegionPtr borderVisible;
/*
* Figure out the new visibility of this window.
* The extent of the universe should be the same as the extent of
* the borderSize region. If the window is unobscured, this rectangle
* will be completely inside the universe (the universe will cover it
* completely). If the window is completely obscured, none of the
* universe will cover the rectangle.
*/
borderSize.x1 = pParent->drawable.x - wBorderWidth(pParent);
borderSize.y1 = pParent->drawable.y - wBorderWidth(pParent);
dx = (int) pParent->drawable.x + (int) pParent->drawable.width + wBorderWidth(pParent);
if (dx > 32767)
dx = 32767;
borderSize.x2 = dx;
dy = (int) pParent->drawable.y + (int) pParent->drawable.height + wBorderWidth(pParent);
if (dy > 32767)
dy = 32767;
borderSize.y2 = dy;
#ifdef COMPOSITE
/*
* In redirected drawing case, reset universe to borderSize
*/
if (pParent->redirectDraw != RedirectDrawNone)
{
if (miSetRedirectBorderClipProc)
{
if (TreatAsTransparent (pParent))
RegionEmpty(universe);
(*miSetRedirectBorderClipProc) (pParent, universe);
}
RegionCopy(universe, &pParent->borderSize);
}
#endif
oldVis = pParent->visibility;
switch (RegionContainsRect(universe, &borderSize))
{
case rgnIN:
newVis = VisibilityUnobscured;
break;
case rgnPART:
newVis = VisibilityPartiallyObscured;
{
RegionPtr pBounding;
if ((pBounding = wBoundingShape (pParent)))
{
switch (miShapedWindowIn (universe, pBounding,
&borderSize,
pParent->drawable.x,
pParent->drawable.y))
{
case rgnIN:
newVis = VisibilityUnobscured;
break;
case rgnOUT:
newVis = VisibilityFullyObscured;
break;
}
}
}
break;
default:
newVis = VisibilityFullyObscured;
break;
}
pParent->visibility = newVis;
if (oldVis != newVis &&
((pParent->eventMask | wOtherEventMasks(pParent)) & VisibilityChangeMask))
SendVisibilityNotify(pParent);
dx = pParent->drawable.x - pParent->valdata->before.oldAbsCorner.x;
dy = pParent->drawable.y - pParent->valdata->before.oldAbsCorner.y;
/*
* avoid computations when dealing with simple operations
*/
switch (kind) {
case VTMap:
case VTStack:
case VTUnmap:
break;
case VTMove:
if ((oldVis == newVis) &&
((oldVis == VisibilityFullyObscured) ||
(oldVis == VisibilityUnobscured)))
{
pChild = pParent;
while (1)
{
if (pChild->viewable)
{
if (pChild->visibility != VisibilityFullyObscured)
{
RegionTranslate(&pChild->borderClip,
dx, dy);
RegionTranslate(&pChild->clipList,
dx, dy);
pChild->drawable.serialNumber = NEXT_SERIAL_NUMBER;
if (pScreen->ClipNotify)
(* pScreen->ClipNotify) (pChild, dx, dy);
}
if (pChild->valdata)
{
RegionNull(&pChild->valdata->after.borderExposed);
if (HasParentRelativeBorder(pChild))
{
RegionSubtract(&pChild->valdata->after.borderExposed,
&pChild->borderClip,
&pChild->winSize);
}
RegionNull(&pChild->valdata->after.exposed);
}
if (pChild->firstChild)
{
pChild = pChild->firstChild;
continue;
}
}
while (!pChild->nextSib && (pChild != pParent))
pChild = pChild->parent;
if (pChild == pParent)
break;
pChild = pChild->nextSib;
}
return;
}
/* fall through */
default:
/*
* To calculate exposures correctly, we have to translate the old
* borderClip and clipList regions to the window's new location so there
* is a correspondence between pieces of the new and old clipping regions.
*/
if (dx || dy)
{
/*
* We translate the old clipList because that will be exposed or copied
* if gravity is right.
*/
RegionTranslate(&pParent->borderClip, dx, dy);
RegionTranslate(&pParent->clipList, dx, dy);
}
break;
case VTBroken:
RegionEmpty(&pParent->borderClip);
RegionEmpty(&pParent->clipList);
break;
}
borderVisible = pParent->valdata->before.borderVisible;
RegionNull(&pParent->valdata->after.borderExposed);
RegionNull(&pParent->valdata->after.exposed);
/*
* Since the borderClip must not be clipped by the children, we do
* the border exposure first...
*
* 'universe' is the window's borderClip. To figure the exposures, remove
* the area that used to be exposed from the new.
* This leaves a region of pieces that weren't exposed before.
*/
if (HasBorder (pParent))
{
if (borderVisible)
{
/*
* when the border changes shape, the old visible portions
* of the border will be saved by DIX in borderVisible --
* use that region and destroy it
*/
RegionSubtract(exposed, universe, borderVisible);
RegionDestroy(borderVisible);
}
else
{
RegionSubtract(exposed, universe, &pParent->borderClip);
}
if (HasParentRelativeBorder(pParent) && (dx || dy))
RegionSubtract(&pParent->valdata->after.borderExposed,
universe,
&pParent->winSize);
else
RegionSubtract(&pParent->valdata->after.borderExposed,
exposed, &pParent->winSize);
RegionCopy(&pParent->borderClip, universe);
/*
* To get the right clipList for the parent, and to make doubly sure
* that no child overlaps the parent's border, we remove the parent's
* border from the universe before proceeding.
*/
RegionIntersect(universe, universe, &pParent->winSize);
}
else
RegionCopy(&pParent->borderClip, universe);
if ((pChild = pParent->firstChild) && pParent->mapped)
{
RegionNull(&childUniverse);
RegionNull(&childUnion);
if ((pChild->drawable.y < pParent->lastChild->drawable.y) ||
((pChild->drawable.y == pParent->lastChild->drawable.y) &&
(pChild->drawable.x < pParent->lastChild->drawable.x)))
{
for (; pChild; pChild = pChild->nextSib)
{
if (pChild->viewable && !TreatAsTransparent(pChild))
RegionAppend(&childUnion, &pChild->borderSize);
}
}
else
{
for (pChild = pParent->lastChild; pChild; pChild = pChild->prevSib)
{
if (pChild->viewable && !TreatAsTransparent(pChild))
RegionAppend(&childUnion, &pChild->borderSize);
}
}
RegionValidate(&childUnion, &overlap);
for (pChild = pParent->firstChild;
pChild;
pChild = pChild->nextSib)
{
if (pChild->viewable) {
/*
* If the child is viewable, we want to remove its extents
* from the current universe, but we only re-clip it if
* it's been marked.
*/
if (pChild->valdata) {
/*
* Figure out the new universe from the child's
* perspective and recurse.
*/
RegionIntersect(&childUniverse,
universe,
&pChild->borderSize);
miComputeClips (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 && !TreatAsTransparent (pChild))
RegionSubtract(universe, universe,
&pChild->borderSize);
}
}
if (!overlap)
RegionSubtract(universe, universe, &childUnion);
RegionUninit(&childUnion);
RegionUninit(&childUniverse);
} /* if any children */
/*
* 'universe' now contains the new clipList for the parent window.
*
* To figure the exposure of the window we subtract the old clip from the
* new, just as for the border.
*/
if (oldVis == VisibilityFullyObscured ||
oldVis == VisibilityNotViewable)
{
RegionCopy(&pParent->valdata->after.exposed, universe);
}
else if (newVis != VisibilityFullyObscured &&
newVis != VisibilityNotViewable)
{
RegionSubtract(&pParent->valdata->after.exposed,
universe, &pParent->clipList);
}
/* HACK ALERT - copying contents of regions, instead of regions */
{
RegionRec tmp;
tmp = pParent->clipList;
pParent->clipList = *universe;
*universe = tmp;
}
#ifdef NOTDEF
RegionCopy(&pParent->clipList, universe);
#endif
pParent->drawable.serialNumber = NEXT_SERIAL_NUMBER;
if (pScreen->ClipNotify)
(* pScreen->ClipNotify) (pParent, dx, dy);
}
void
winReshapeMultiWindow(WindowPtr pWin)
{
int nRects;
RegionRec rrNewShape;
BoxPtr pShape, pRects, pEnd;
HRGN hRgn, hRgnRect;
winWindowPriv(pWin);
winDebug("winReshape ()\n");
/* Bail if the window is the root window */
if (pWin->parent == NULL)
return;
/* Bail if the window is not top level */
if (pWin->parent->parent != NULL)
return;
/* Bail if Windows window handle is invalid */
if (pWinPriv->hWnd == NULL)
return;
/* Free any existing window region stored in the window privates */
if (pWinPriv->hRgn != NULL) {
DeleteObject(pWinPriv->hRgn);
pWinPriv->hRgn = NULL;
}
/* Bail if the window has no bounding region defined */
if (!wBoundingShape(pWin))
return;
RegionNull(&rrNewShape);
RegionCopy(&rrNewShape, wBoundingShape(pWin));
RegionTranslate(&rrNewShape, pWin->borderWidth, pWin->borderWidth);
nRects = RegionNumRects(&rrNewShape);
pShape = RegionRects(&rrNewShape);
/* Don't do anything if there are no rectangles in the region */
if (nRects > 0) {
RECT rcClient;
RECT rcWindow;
int iOffsetX, iOffsetY;
/* Get client rectangle */
if (!GetClientRect(pWinPriv->hWnd, &rcClient)) {
ErrorF("winReshape - GetClientRect failed, bailing: %d\n",
(int) GetLastError());
return;
}
/* Translate client rectangle coords to screen coords */
/* NOTE: Only transforms top and left members */
ClientToScreen(pWinPriv->hWnd, (LPPOINT) &rcClient);
/* Get window rectangle */
if (!GetWindowRect(pWinPriv->hWnd, &rcWindow)) {
ErrorF("winReshape - GetWindowRect failed, bailing: %d\n",
(int) GetLastError());
return;
}
/* Calculate offset from window upper-left to client upper-left */
iOffsetX = rcClient.left - rcWindow.left;
iOffsetY = rcClient.top - rcWindow.top;
/* Create initial Windows region for title bar */
/* FIXME: Mean, nasty, ugly hack!!! */
hRgn = CreateRectRgn(0, 0, rcWindow.right, iOffsetY);
if (hRgn == NULL) {
ErrorF("winReshape - Initial CreateRectRgn (%d, %d, %d, %d) "
"failed: %d\n",
0, 0, (int) rcWindow.right, iOffsetY, (int) GetLastError());
}
/* Loop through all rectangles in the X region */
for (pRects = pShape, pEnd = pShape + nRects; pRects < pEnd; pRects++) {
/* Create a Windows region for the X rectangle */
hRgnRect = CreateRectRgn(pRects->x1 + iOffsetX,
pRects->y1 + iOffsetY,
pRects->x2 + iOffsetX,
pRects->y2 + iOffsetY);
if (hRgnRect == NULL) {
ErrorF("winReshape - Loop CreateRectRgn (%d, %d, %d, %d) "
"failed: %d\n"
"\tx1: %d x2: %d xOff: %d y1: %d y2: %d yOff: %d\n",
pRects->x1 + iOffsetX,
pRects->y1 + iOffsetY,
pRects->x2 + iOffsetX,
pRects->y2 + iOffsetY,
(int) GetLastError(),
pRects->x1, pRects->x2, iOffsetX,
pRects->y1, pRects->y2, iOffsetY);
}
/* Merge the Windows region with the accumulated region */
if (CombineRgn(hRgn, hRgn, hRgnRect, RGN_OR) == ERROR) {
ErrorF("winReshape - CombineRgn () failed: %d\n",
(int) GetLastError());
}
/* Delete the temporary Windows region */
DeleteObject(hRgnRect);
}
/* Save a handle to the composite region in the window privates */
pWinPriv->hRgn = hRgn;
}
RegionUninit(&rrNewShape);
return;
}
/*ARGSUSED*/
int
miValidateTree (
WindowPtr pParent, /* Parent to validate */
WindowPtr pChild, /* First child of pParent that was
* affected */
VTKind kind /* What kind of configuration caused call */
)
{
RegionRec totalClip; /* Total clipping region available to
* the marked children. pParent's clipList
* merged with the borderClips of all
* the marked children. */
RegionRec childClip; /* The new borderClip for the current
* child */
RegionRec childUnion; /* the space covered by borderSize for
* all marked children */
RegionRec exposed; /* For intermediate calculations */
ScreenPtr pScreen;
WindowPtr pWin;
Bool overlap;
int viewvals;
Bool forward;
pScreen = pParent->drawable.pScreen;
if (pChild == NullWindow)
pChild = pParent->firstChild;
RegionNull(&childClip);
RegionNull(&exposed);
/*
* compute the area of the parent window occupied
* by the marked children + the parent itself. This
* is the area which can be divied up among the marked
* children in their new configuration.
*/
RegionNull(&totalClip);
viewvals = 0;
if (RegionBroken(&pParent->clipList) &&
!RegionBroken(&pParent->borderClip))
{
kind = VTBroken;
/*
* When rebuilding clip lists after out of memory,
* assume everything is busted.
*/
forward = TRUE;
RegionCopy(&totalClip, &pParent->borderClip);
RegionIntersect(&totalClip, &totalClip, &pParent->winSize);
for (pWin = pParent->firstChild; pWin != pChild; pWin = pWin->nextSib)
{
if (pWin->viewable && !TreatAsTransparent (pWin))
RegionSubtract(&totalClip, &totalClip, &pWin->borderSize);
}
for (pWin = pChild; pWin; pWin = pWin->nextSib)
if (pWin->valdata && pWin->viewable)
viewvals++;
RegionEmpty(&pParent->clipList);
}
else
{
if ((pChild->drawable.y < pParent->lastChild->drawable.y) ||
((pChild->drawable.y == pParent->lastChild->drawable.y) &&
(pChild->drawable.x < pParent->lastChild->drawable.x)))
{
forward = TRUE;
for (pWin = pChild; pWin; pWin = pWin->nextSib)
{
if (pWin->valdata)
{
RegionPtr pBorderClip = &pWin->borderClip;
#ifdef COMPOSITE
if (pWin->redirectDraw != RedirectDrawNone && miGetRedirectBorderClipProc)
pBorderClip = (*miGetRedirectBorderClipProc)(pWin);
#endif
RegionAppend(&totalClip, pBorderClip );
if (pWin->viewable)
viewvals++;
}
}
}
else
{
forward = FALSE;
pWin = pParent->lastChild;
while (1)
{
if (pWin->valdata)
{
RegionPtr pBorderClip = &pWin->borderClip;
#ifdef COMPOSITE
if (pWin->redirectDraw != RedirectDrawNone && miGetRedirectBorderClipProc)
pBorderClip = (*miGetRedirectBorderClipProc)(pWin);
#endif
RegionAppend(&totalClip, pBorderClip );
if (pWin->viewable)
viewvals++;
}
if (pWin == pChild)
break;
pWin = pWin->prevSib;
}
}
RegionValidate(&totalClip, &overlap);
}
/*
* Now go through the children of the root and figure their new
* borderClips from the totalClip, passing that off to miComputeClips
* to handle recursively. Once that's done, we remove the child
* from the totalClip to clip any siblings below it.
*/
overlap = TRUE;
if (kind != VTStack)
{
RegionUnion(&totalClip, &totalClip, &pParent->clipList);
if (viewvals > 1)
{
/*
* precompute childUnion to discover whether any of them
* overlap. This seems redundant, but performance studies
* have demonstrated that the cost of this loop is
* lower than the cost of multiple Subtracts in the
* loop below.
*/
RegionNull(&childUnion);
if (forward)
{
for (pWin = pChild; pWin; pWin = pWin->nextSib)
if (pWin->valdata && pWin->viewable && !TreatAsTransparent (pWin))
RegionAppend(&childUnion,
&pWin->borderSize);
}
else
{
pWin = pParent->lastChild;
while (1)
{
if (pWin->valdata && pWin->viewable && !TreatAsTransparent (pWin))
RegionAppend(&childUnion,
&pWin->borderSize);
if (pWin == pChild)
break;
pWin = pWin->prevSib;
}
}
RegionValidate(&childUnion, &overlap);
if (overlap)
RegionUninit(&childUnion);
}
}
for (pWin = pChild;
pWin != NullWindow;
pWin = pWin->nextSib)
{
if (pWin->viewable) {
if (pWin->valdata) {
RegionIntersect(&childClip,
&totalClip,
&pWin->borderSize);
miComputeClips (pWin, pScreen, &childClip, kind, &exposed);
if (overlap && !TreatAsTransparent (pWin))
{
RegionSubtract(&totalClip,
&totalClip,
&pWin->borderSize);
}
} else if (pWin->visibility == VisibilityNotViewable) {
miTreeObscured(pWin);
}
} else {
if (pWin->valdata) {
RegionEmpty(&pWin->clipList);
if (pScreen->ClipNotify)
(* pScreen->ClipNotify) (pWin, 0, 0);
RegionEmpty(&pWin->borderClip);
pWin->valdata = NULL;
}
}
}
RegionUninit(&childClip);
if (!overlap)
{
RegionSubtract(&totalClip, &totalClip, &childUnion);
RegionUninit(&childUnion);
}
RegionNull(&pParent->valdata->after.exposed);
RegionNull(&pParent->valdata->after.borderExposed);
/*
* each case below is responsible for updating the
* clipList and serial number for the parent window
*/
switch (kind) {
case VTStack:
break;
default:
/*
* totalClip contains the new clipList for the parent. Figure out
* exposures and obscures as per miComputeClips and reset the parent's
* clipList.
*/
RegionSubtract(&pParent->valdata->after.exposed,
&totalClip, &pParent->clipList);
/* fall through */
case VTMap:
RegionCopy(&pParent->clipList, &totalClip);
pParent->drawable.serialNumber = NEXT_SERIAL_NUMBER;
break;
}
RegionUninit(&totalClip);
RegionUninit(&exposed);
if (pScreen->ClipNotify)
(*pScreen->ClipNotify) (pParent, 0, 0);
return 1;
}
static int
ProcWindowsWMFrameDraw(ClientPtr client)
{
REQUEST(xWindowsWMFrameDrawReq);
WindowPtr pWin;
win32RootlessWindowPtr pRLWinPriv;
RECT rcNew;
int nCmdShow, rc;
RegionRec newShape;
REQUEST_SIZE_MATCH(xWindowsWMFrameDrawReq);
#if CYGMULTIWINDOW_DEBUG
ErrorF("ProcWindowsWMFrameDraw\n");
#endif
rc = dixLookupWindow(&pWin, stuff->window, client, DixReadAccess);
if (rc != Success)
return rc;
#if CYGMULTIWINDOW_DEBUG
ErrorF("ProcWindowsWMFrameDraw - Window found\n");
#endif
pRLWinPriv = (win32RootlessWindowPtr) RootlessFrameForWindow(pWin, TRUE);
if (pRLWinPriv == 0)
return BadWindow;
#if CYGMULTIWINDOW_DEBUG
ErrorF("ProcWindowsWMFrameDraw - HWND %p 0x%08x 0x%08x\n",
pRLWinPriv->hWnd, (int) stuff->frame_style,
(int) stuff->frame_style_ex);
ErrorF("ProcWindowsWMFrameDraw - %d %d %d %d\n",
stuff->ix, stuff->iy, stuff->iw, stuff->ih);
#endif
/* Store the origin, height, and width in a rectangle structure */
SetRect(&rcNew, stuff->ix, stuff->iy,
stuff->ix + stuff->iw, stuff->iy + stuff->ih);
/*
* Calculate the required size of the Windows window rectangle,
* given the size of the Windows window client area.
*/
AdjustWindowRectEx(&rcNew, stuff->frame_style, FALSE,
stuff->frame_style_ex);
/* Set the window extended style flags */
if (!SetWindowLongPtr(pRLWinPriv->hWnd, GWL_EXSTYLE, stuff->frame_style_ex)) {
return BadValue;
}
/* Set the window standard style flags */
if (!SetWindowLongPtr(pRLWinPriv->hWnd, GWL_STYLE, stuff->frame_style)) {
return BadValue;
}
/* Flush the window style */
if (!SetWindowPos(pRLWinPriv->hWnd, NULL,
rcNew.left, rcNew.top,
rcNew.right - rcNew.left, rcNew.bottom - rcNew.top,
SWP_NOZORDER | SWP_FRAMECHANGED | SWP_NOACTIVATE)) {
return BadValue;
}
if (!IsWindowVisible(pRLWinPriv->hWnd))
nCmdShow = SW_HIDE;
else
nCmdShow = SW_SHOWNA;
ShowWindow(pRLWinPriv->hWnd, nCmdShow);
if (wBoundingShape(pWin) != NULL) {
/* wBoundingShape is relative to *inner* origin of window.
Translate by borderWidth to get the outside-relative position. */
RegionNull(&newShape);
RegionCopy(&newShape, wBoundingShape(pWin));
RegionTranslate(&newShape, pWin->borderWidth, pWin->borderWidth);
winMWExtWMReshapeFrame(pRLWinPriv, &newShape);
RegionUninit(&newShape);
}
#if CYGMULTIWINDOW_DEBUG
ErrorF("ProcWindowsWMFrameDraw - done\n");
#endif
return Success;
}
static
void
winReshapeRootless(WindowPtr pWin)
{
int nRects;
RegionRec rrNewShape;
BoxPtr pShape, pRects, pEnd;
HRGN hRgn, hRgnRect;
winWindowPriv(pWin);
winDebug("winReshapeRootless ()\n");
/* Bail if the window is the root window */
if (pWin->parent == NULL)
return;
/* Bail if the window is not top level */
if (pWin->parent->parent != NULL)
return;
/* Free any existing window region stored in the window privates */
if (pWinPriv->hRgn != NULL) {
DeleteObject(pWinPriv->hRgn);
pWinPriv->hRgn = NULL;
}
/* Bail if the window has no bounding region defined */
if (!wBoundingShape(pWin))
return;
RegionNull(&rrNewShape);
RegionCopy(&rrNewShape, wBoundingShape(pWin));
RegionTranslate(&rrNewShape, pWin->borderWidth, pWin->borderWidth);
nRects = RegionNumRects(&rrNewShape);
pShape = RegionRects(&rrNewShape);
if (nRects > 0) {
/* Create initial empty Windows region */
hRgn = CreateRectRgn(0, 0, 0, 0);
/* Loop through all rectangles in the X region */
for (pRects = pShape, pEnd = pShape + nRects; pRects < pEnd; pRects++) {
/* Create a Windows region for the X rectangle */
hRgnRect = CreateRectRgn(pRects->x1, pRects->y1,
pRects->x2, pRects->y2);
if (hRgnRect == NULL) {
ErrorF("winReshapeRootless - CreateRectRgn() failed\n");
}
/* Merge the Windows region with the accumulated region */
if (CombineRgn(hRgn, hRgn, hRgnRect, RGN_OR) == ERROR) {
ErrorF("winReshapeRootless - CombineRgn() failed\n");
}
/* Delete the temporary Windows region */
DeleteObject(hRgnRect);
}
/* Save a handle to the composite region in the window privates */
pWinPriv->hRgn = hRgn;
}
RegionUninit(&rrNewShape);
return;
}
static Bool
ExaPrepareCompositeReg(ScreenPtr pScreen,
CARD8 op,
PicturePtr pSrc,
PicturePtr pMask,
PicturePtr pDst,
INT16 xSrc,
INT16 ySrc,
INT16 xMask,
INT16 yMask,
INT16 xDst, INT16 yDst, CARD16 width, CARD16 height)
{
RegionRec region;
RegionPtr dstReg = NULL;
RegionPtr srcReg = NULL;
RegionPtr maskReg = NULL;
PixmapPtr pSrcPix = NULL;
PixmapPtr pMaskPix = NULL;
PixmapPtr pDstPix;
ExaScreenPriv(pScreen);
Bool ret;
RegionNull(®ion);
if (pSrc->pDrawable) {
pSrcPix = exaGetDrawablePixmap(pSrc->pDrawable);
RegionNull(&pExaScr->srcReg);
srcReg = &pExaScr->srcReg;
pExaScr->srcPix = pSrcPix;
if (pSrc != pDst)
RegionTranslate(pSrc->pCompositeClip,
-pSrc->pDrawable->x, -pSrc->pDrawable->y);
} else
pExaScr->srcPix = NULL;
if (pMask && pMask->pDrawable) {
pMaskPix = exaGetDrawablePixmap(pMask->pDrawable);
RegionNull(&pExaScr->maskReg);
maskReg = &pExaScr->maskReg;
pExaScr->maskPix = pMaskPix;
if (pMask != pDst && pMask != pSrc)
RegionTranslate(pMask->pCompositeClip,
-pMask->pDrawable->x, -pMask->pDrawable->y);
} else
pExaScr->maskPix = NULL;
RegionTranslate(pDst->pCompositeClip,
-pDst->pDrawable->x, -pDst->pDrawable->y);
pExaScr->SavedSourceValidate = ExaSrcValidate;
swap(pExaScr, pScreen, SourceValidate);
ret = miComputeCompositeRegion(®ion, pSrc, pMask, pDst,
xSrc, ySrc, xMask, yMask,
xDst, yDst, width, height);
swap(pExaScr, pScreen, SourceValidate);
RegionTranslate(pDst->pCompositeClip,
pDst->pDrawable->x, pDst->pDrawable->y);
if (pSrc->pDrawable && pSrc != pDst)
RegionTranslate(pSrc->pCompositeClip,
pSrc->pDrawable->x, pSrc->pDrawable->y);
if (pMask && pMask->pDrawable && pMask != pDst && pMask != pSrc)
RegionTranslate(pMask->pCompositeClip,
pMask->pDrawable->x, pMask->pDrawable->y);
if (!ret) {
if (srcReg)
RegionUninit(srcReg);
if (maskReg)
RegionUninit(maskReg);
return FALSE;
}
/**
* Don't limit alphamaps readbacks for now until we've figured out how that
* should be done.
*/
if (pSrc->alphaMap && pSrc->alphaMap->pDrawable)
pExaScr->
prepare_access_reg(exaGetDrawablePixmap(pSrc->alphaMap->pDrawable),
EXA_PREPARE_AUX_SRC, NULL);
if (pMask && pMask->alphaMap && pMask->alphaMap->pDrawable)
pExaScr->
prepare_access_reg(exaGetDrawablePixmap(pMask->alphaMap->pDrawable),
EXA_PREPARE_AUX_MASK, NULL);
if (pSrcPix)
pExaScr->prepare_access_reg(pSrcPix, EXA_PREPARE_SRC, srcReg);
if (pMaskPix)
pExaScr->prepare_access_reg(pMaskPix, EXA_PREPARE_MASK, maskReg);
if (srcReg)
RegionUninit(srcReg);
if (maskReg)
RegionUninit(maskReg);
pDstPix = exaGetDrawablePixmap(pDst->pDrawable);
if (!exaOpReadsDestination(op)) {
int xoff;
int yoff;
exaGetDrawableDeltas(pDst->pDrawable, pDstPix, &xoff, &yoff);
RegionTranslate(®ion, pDst->pDrawable->x + xoff,
pDst->pDrawable->y + yoff);
dstReg = ®ion;
}
if (pDst->alphaMap && pDst->alphaMap->pDrawable)
pExaScr->
prepare_access_reg(exaGetDrawablePixmap(pDst->alphaMap->pDrawable),
EXA_PREPARE_AUX_DEST, dstReg);
pExaScr->prepare_access_reg(pDstPix, EXA_PREPARE_DEST, dstReg);
RegionUninit(®ion);
return TRUE;
}
static void
XAACopyWindow8_32(WindowPtr pWin, DDXPointRec ptOldOrg, RegionPtr prgnSrc)
{
DDXPointPtr pptSrc, ppt;
RegionRec rgnDst;
BoxPtr pbox;
int dx, dy, nbox;
WindowPtr pwinRoot;
ScreenPtr pScreen = pWin->drawable.pScreen;
XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_DRAWABLE((&pWin->drawable));
Bool doUnderlay = miOverlayCopyUnderlay(pScreen);
RegionPtr borderClip = &pWin->borderClip;
Bool freeReg = FALSE;
if (!infoRec->pScrn->vtSema || !infoRec->ScreenToScreenBitBlt ||
(infoRec->ScreenToScreenBitBltFlags & NO_PLANEMASK)) {
XAA_SCREEN_PROLOGUE(pScreen, CopyWindow);
if (infoRec->pScrn->vtSema && infoRec->NeedToSync) {
(*infoRec->Sync) (infoRec->pScrn);
infoRec->NeedToSync = FALSE;
}
(*pScreen->CopyWindow) (pWin, ptOldOrg, prgnSrc);
XAA_SCREEN_EPILOGUE(pScreen, CopyWindow, XAACopyWindow8_32);
return;
}
pwinRoot = pScreen->root;
if (doUnderlay)
freeReg = miOverlayCollectUnderlayRegions(pWin, &borderClip);
RegionNull(&rgnDst);
dx = ptOldOrg.x - pWin->drawable.x;
dy = ptOldOrg.y - pWin->drawable.y;
RegionTranslate(prgnSrc, -dx, -dy);
RegionIntersect(&rgnDst, borderClip, prgnSrc);
pbox = RegionRects(&rgnDst);
nbox = RegionNumRects(&rgnDst);
if (!nbox || !(pptSrc = (DDXPointPtr) malloc(nbox * sizeof(DDXPointRec)))) {
RegionUninit(&rgnDst);
return;
}
ppt = pptSrc;
while (nbox--) {
ppt->x = pbox->x1 + dx;
ppt->y = pbox->y1 + dy;
ppt++;
pbox++;
}
infoRec->ScratchGC.planemask = doUnderlay ? 0x00ffffff : 0xff000000;
infoRec->ScratchGC.alu = GXcopy;
XAADoBitBlt((DrawablePtr) pwinRoot, (DrawablePtr) pwinRoot,
&(infoRec->ScratchGC), &rgnDst, pptSrc);
free(pptSrc);
RegionUninit(&rgnDst);
if (freeReg)
RegionDestroy(borderClip);
}
/*
* Redirect one window for one client
*/
int
compRedirectWindow (ClientPtr pClient, WindowPtr pWin, int update)
{
CompWindowPtr cw = GetCompWindow (pWin);
CompClientWindowPtr ccw;
Bool wasMapped = pWin->mapped;
CompScreenPtr cs = GetCompScreen(pWin->drawable.pScreen);
if (pWin == cs->pOverlayWin) {
return Success;
}
if (!pWin->parent)
return BadMatch;
/*
* Only one Manual update is allowed
*/
if (cw && update == CompositeRedirectManual)
for (ccw = cw->clients; ccw; ccw = ccw->next)
if (ccw->update == CompositeRedirectManual)
return BadAccess;
/*
* Allocate per-client per-window structure
* The client *could* allocate multiple, but while supported,
* it is not expected to be common
*/
ccw = malloc(sizeof (CompClientWindowRec));
if (!ccw)
return BadAlloc;
ccw->id = FakeClientID (pClient->index);
ccw->update = update;
/*
* Now make sure there's a per-window structure to hang this from
*/
if (!cw)
{
cw = malloc(sizeof (CompWindowRec));
if (!cw)
{
free(ccw);
return BadAlloc;
}
cw->damage = DamageCreate (compReportDamage,
compDestroyDamage,
DamageReportNonEmpty,
FALSE,
pWin->drawable.pScreen,
pWin);
if (!cw->damage)
{
free(ccw);
free(cw);
return BadAlloc;
}
if (wasMapped)
{
DisableMapUnmapEvents (pWin);
UnmapWindow (pWin, FALSE);
EnableMapUnmapEvents (pWin);
}
RegionNull(&cw->borderClip);
cw->borderClipX = 0;
cw->borderClipY = 0;
cw->update = CompositeRedirectAutomatic;
cw->clients = 0;
cw->oldx = COMP_ORIGIN_INVALID;
cw->oldy = COMP_ORIGIN_INVALID;
cw->damageRegistered = FALSE;
cw->damaged = FALSE;
cw->pOldPixmap = NullPixmap;
dixSetPrivate(&pWin->devPrivates, CompWindowPrivateKey, cw);
}
ccw->next = cw->clients;
cw->clients = ccw;
if (!AddResource (ccw->id, CompositeClientWindowType, pWin))
return BadAlloc;
if (ccw->update == CompositeRedirectManual)
{
/* If the window was CompositeRedirectAutomatic, then
* unmap the window so that the parent clip list will
* be correctly recomputed.
*/
if (pWin->mapped)
{
DisableMapUnmapEvents (pWin);
UnmapWindow (pWin, FALSE);
EnableMapUnmapEvents (pWin);
}
if (cw->damageRegistered)
{
DamageUnregister (&pWin->drawable, cw->damage);
cw->damageRegistered = FALSE;
}
cw->update = CompositeRedirectManual;
}
if (!compCheckRedirect (pWin))
{
FreeResource (ccw->id, RT_NONE);
return BadAlloc;
}
if (wasMapped && !pWin->mapped)
{
Bool overrideRedirect = pWin->overrideRedirect;
pWin->overrideRedirect = TRUE;
DisableMapUnmapEvents (pWin);
MapWindow (pWin, pClient);
EnableMapUnmapEvents (pWin);
pWin->overrideRedirect = overrideRedirect;
}
return Success;
}
bool sna_tiling_blt_copy_boxes(struct sna *sna, uint8_t alu,
struct kgem_bo *src_bo, int16_t src_dx, int16_t src_dy,
struct kgem_bo *dst_bo, int16_t dst_dx, int16_t dst_dy,
int bpp, const BoxRec *box, int nbox)
{
RegionRec region, tile, this;
struct kgem_bo *bo;
int step;
bool ret = false;
if (!kgem_bo_can_blt(&sna->kgem, src_bo) ||
!kgem_bo_can_blt(&sna->kgem, dst_bo)) {
/* XXX */
DBG(("%s: tiling blt fail: src?=%d, dst?=%d\n",
__FUNCTION__,
kgem_bo_can_blt(&sna->kgem, src_bo),
kgem_bo_can_blt(&sna->kgem, dst_bo)));
return false;
}
pixman_region_init_rects(®ion, box, nbox);
/* Use a small step to accommodate enlargement through tile alignment */
step = sna->render.max_3d_size;
if (region.extents.x1 & (8*512 / bpp - 1) || region.extents.y1 & 63)
step /= 2;
while (step * step * 4 > sna->kgem.max_copy_tile_size)
step /= 2;
DBG(("%s (alu=%d), tile.size=%d, box=%dx[(%d, %d), (%d, %d)])\n",
__FUNCTION__, alu, step, nbox,
region.extents.x1, region.extents.y1,
region.extents.x2, region.extents.y2));
for (tile.extents.y1 = tile.extents.y2 = region.extents.y1;
tile.extents.y2 < region.extents.y2;
tile.extents.y1 = tile.extents.y2) {
tile.extents.y2 = tile.extents.y1 + step;
if (tile.extents.y2 > region.extents.y2)
tile.extents.y2 = region.extents.y2;
for (tile.extents.x1 = tile.extents.x2 = region.extents.x1;
tile.extents.x2 < region.extents.x2;
tile.extents.x1 = tile.extents.x2) {
int w, h;
tile.extents.x2 = tile.extents.x1 + step;
if (tile.extents.x2 > region.extents.x2)
tile.extents.x2 = region.extents.x2;
tile.data = NULL;
RegionNull(&this);
RegionIntersect(&this, ®ion, &tile);
if (!RegionNotEmpty(&this))
continue;
w = this.extents.x2 - this.extents.x1;
h = this.extents.y2 - this.extents.y1;
bo = kgem_create_2d(&sna->kgem, w, h, bpp,
kgem_choose_tiling(&sna->kgem,
I915_TILING_X,
w, h, bpp),
CREATE_TEMPORARY);
if (bo) {
int16_t dx = this.extents.x1;
int16_t dy = this.extents.y1;
assert(bo->pitch <= 8192);
assert(bo->tiling != I915_TILING_Y);
if (!sna_blt_copy_boxes(sna, alu,
src_bo, src_dx, src_dy,
bo, -dx, -dy,
bpp, REGION_RECTS(&this), REGION_NUM_RECTS(&this)))
goto err;
if (!sna_blt_copy_boxes(sna, alu,
bo, -dx, -dy,
dst_bo, dst_dx, dst_dy,
bpp, REGION_RECTS(&this), REGION_NUM_RECTS(&this)))
goto err;
kgem_bo_destroy(&sna->kgem, bo);
}
RegionUninit(&this);
}
}
ret = true;
goto done;
err:
kgem_bo_destroy(&sna->kgem, bo);
RegionUninit(&this);
done:
pixman_region_fini(®ion);
return ret;
}
