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);
}
void uxa_copy_window(WindowPtr pWin, DDXPointRec ptOldOrg, RegionPtr prgnSrc)
{
RegionRec rgnDst;
int dx, dy;
PixmapPtr pPixmap = (*pWin->drawable.pScreen->GetWindowPixmap) (pWin);
dx = ptOldOrg.x - pWin->drawable.x;
dy = ptOldOrg.y - pWin->drawable.y;
REGION_TRANSLATE(pWin->drawable.pScreen, prgnSrc, -dx, -dy);
REGION_INIT(pWin->drawable.pScreen, &rgnDst, NullBox, 0);
REGION_INTERSECT(pWin->drawable.pScreen, &rgnDst, &pWin->borderClip,
prgnSrc);
#ifdef COMPOSITE
if (pPixmap->screen_x || pPixmap->screen_y)
REGION_TRANSLATE(pWin->drawable.pScreen, &rgnDst,
-pPixmap->screen_x, -pPixmap->screen_y);
#endif
miCopyRegion(&pPixmap->drawable, &pPixmap->drawable,
NULL, &rgnDst, dx, dy, uxa_copy_n_to_n, 0, NULL);
REGION_UNINIT(pWin->drawable.pScreen, &rgnDst);
}
void
exaCopyWindow(WindowPtr pWin, DDXPointRec ptOldOrg, RegionPtr prgnSrc)
{
RegionRec rgnDst;
int dx, dy;
PixmapPtr pPixmap = (*pWin->drawable.pScreen->GetWindowPixmap) (pWin);
ExaScreenPriv(pWin->drawable.pScreen);
dx = ptOldOrg.x - pWin->drawable.x;
dy = ptOldOrg.y - pWin->drawable.y;
REGION_TRANSLATE(pWin->drawable.pScreen, prgnSrc, -dx, -dy);
REGION_INIT (pWin->drawable.pScreen, &rgnDst, NullBox, 0);
REGION_INTERSECT(pWin->drawable.pScreen, &rgnDst, &pWin->borderClip, prgnSrc);
#ifdef COMPOSITE
if (pPixmap->screen_x || pPixmap->screen_y)
REGION_TRANSLATE (pWin->drawable.pScreen, &rgnDst,
-pPixmap->screen_x, -pPixmap->screen_y);
#endif
if (pExaScr->fallback_counter) {
pExaScr->fallback_flags |= EXA_FALLBACK_COPYWINDOW;
goto fallback;
}
pExaScr->fallback_flags |= EXA_ACCEL_COPYWINDOW;
miCopyRegion (&pPixmap->drawable, &pPixmap->drawable,
NULL,
&rgnDst, dx, dy, exaCopyNtoN, 0, NULL);
pExaScr->fallback_flags &= ~EXA_ACCEL_COPYWINDOW;
fallback:
REGION_UNINIT(pWin->drawable.pScreen, &rgnDst);
if (pExaScr->fallback_flags & EXA_FALLBACK_COPYWINDOW) {
pExaScr->fallback_flags &= ~EXA_FALLBACK_COPYWINDOW;
REGION_TRANSLATE(pWin->drawable.pScreen, prgnSrc, dx, dy);
ExaCheckCopyWindow(pWin, ptOldOrg, prgnSrc);
}
}
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;
}
