/* changed area is *dest* rect */
static RegionPtr
RootlessCopyPlane(DrawablePtr pSrc, DrawablePtr dst,
GCPtr pGC, int srcx, int srcy,
int w, int h, int dstx, int dsty, unsigned long plane)
{
RegionPtr result;
BoxRec box;
GCOP_UNWRAP(pGC);
RL_DEBUG_MSG("copy plane start ");
if (pSrc->type == DRAWABLE_WINDOW && IsFramedWindow((WindowPtr) pSrc)) {
RootlessStartDrawing((WindowPtr) pSrc);
}
RootlessStartDrawing((WindowPtr) dst);
result = pGC->ops->CopyPlane(pSrc, dst, pGC, srcx, srcy, w, h,
dstx, dsty, plane);
box.x1 = dstx + dst->x;
box.x2 = box.x1 + w;
box.y1 = dsty + dst->y;
box.y2 = box.y1 + h;
TRIM_BOX(box, pGC);
if (BOX_NOT_EMPTY(box))
RootlessDamageBox((WindowPtr) dst, &box);
GCOP_WRAP(pGC);
RL_DEBUG_MSG("copy plane end\n");
return result;
}
static void
RootlessPutImage(DrawablePtr dst, GCPtr pGC,
int depth, int x, int y, int w, int h,
int leftPad, int format, char *pBits)
{
BoxRec box;
GCOP_UNWRAP(pGC);
RL_DEBUG_MSG("put image start ");
RootlessStartDrawing((WindowPtr) dst);
pGC->ops->PutImage(dst, pGC, depth, x, y, w, h, leftPad, format, pBits);
box.x1 = x + dst->x;
box.x2 = box.x1 + w;
box.y1 = y + dst->y;
box.y2 = box.y1 + h;
TRIM_BOX(box, pGC);
if (BOX_NOT_EMPTY(box))
RootlessDamageBox((WindowPtr) dst, &box);
GCOP_WRAP(pGC);
RL_DEBUG_MSG("put image end\n");
}
static void
RootlessFillSpans(DrawablePtr dst, GCPtr pGC, int nInit,
DDXPointPtr pptInit, int *pwidthInit, int sorted)
{
GC_SAVE(pGC);
GCOP_UNWRAP(pGC);
RL_DEBUG_MSG("fill spans start ");
if (nInit <= 0) {
pGC->ops->FillSpans(dst, pGC, nInit, pptInit, pwidthInit, sorted);
}
else {
DDXPointPtr ppt = pptInit;
int *pwidth = pwidthInit;
int i = nInit;
BoxRec box;
box.x1 = ppt->x;
box.x2 = box.x1 + *pwidth;
box.y2 = box.y1 = ppt->y;
while (--i) {
ppt++;
pwidth++;
if (box.x1 > ppt->x)
box.x1 = ppt->x;
if (box.x2 < (ppt->x + *pwidth))
box.x2 = ppt->x + *pwidth;
if (box.y1 > ppt->y)
box.y1 = ppt->y;
else if (box.y2 < ppt->y)
box.y2 = ppt->y;
}
box.y2++;
RootlessStartDrawing((WindowPtr) dst);
if (canAccelFill(dst, pGC)) {
GC_UNSET_PM(pGC, dst);
}
pGC->ops->FillSpans(dst, pGC, nInit, pptInit, pwidthInit, sorted);
TRIM_AND_TRANSLATE_BOX(box, dst, pGC);
if (BOX_NOT_EMPTY(box))
RootlessDamageBox((WindowPtr) dst, &box);
}
GC_RESTORE(pGC, dst);
GCOP_WRAP(pGC);
RL_DEBUG_MSG("fill spans end\n");
}
/* changed area is *dest* rect */
static RegionPtr
RootlessCopyArea(DrawablePtr pSrc, DrawablePtr dst, GCPtr pGC,
int srcx, int srcy, int w, int h, int dstx, int dsty)
{
RegionPtr result;
BoxRec box;
GC_SAVE(pGC);
GCOP_UNWRAP(pGC);
RL_DEBUG_MSG("copy area start (src 0x%x, dst 0x%x)", pSrc, dst);
if (pSrc->type == DRAWABLE_WINDOW && IsFramedWindow((WindowPtr) pSrc)) {
/* If both source and dest are windows, and we're doing
a simple copy operation, we can remove the alpha-protecting
planemask (since source has opaque alpha as well) */
if (canAccelBlit(pSrc, pGC)) {
GC_UNSET_PM(pGC, dst);
}
RootlessStartDrawing((WindowPtr) pSrc);
}
RootlessStartDrawing((WindowPtr) dst);
result = pGC->ops->CopyArea(pSrc, dst, pGC, srcx, srcy, w, h, dstx, dsty);
box.x1 = dstx + dst->x;
box.x2 = box.x1 + w;
box.y1 = dsty + dst->y;
box.y2 = box.y1 + h;
TRIM_BOX(box, pGC);
if (BOX_NOT_EMPTY(box))
RootlessDamageBox((WindowPtr) dst, &box);
GC_RESTORE(pGC, dst);
GCOP_WRAP(pGC);
RL_DEBUG_MSG("copy area end\n");
return result;
}
static void
RootlessGetImage(DrawablePtr pDrawable, int sx, int sy, int w, int h,
unsigned int format, unsigned long planeMask, char *pdstLine)
{
ScreenPtr pScreen = pDrawable->pScreen;
SCREEN_UNWRAP(pScreen, GetImage);
if (pDrawable->type == DRAWABLE_WINDOW) {
int x0, y0, x1, y1;
RootlessWindowRec *winRec;
// Many apps use GetImage to sync with the visible frame buffer
// FIXME: entire screen or just window or all screens?
RootlessRedisplayScreen(pScreen);
// RedisplayScreen stops drawing, so we need to start it again
RootlessStartDrawing((WindowPtr)pDrawable);
/* Check that we have some place to read from. */
winRec = WINREC(TopLevelParent((WindowPtr) pDrawable));
if (winRec == NULL)
goto out;
/* Clip to top-level window bounds. */
/* FIXME: fbGetImage uses the width parameter to calculate the
stride of the destination pixmap. If w is clipped, the data
returned will be garbage, although we will not crash. */
x0 = pDrawable->x + sx;
y0 = pDrawable->y + sy;
x1 = x0 + w;
y1 = y0 + h;
x0 = max (x0, winRec->x);
y0 = max (y0, winRec->y);
x1 = min (x1, winRec->x + winRec->width);
y1 = min (y1, winRec->y + winRec->height);
sx = x0 - pDrawable->x;
sy = y0 - pDrawable->y;
w = x1 - x0;
h = y1 - y0;
if (w <= 0 || h <= 0)
goto out;
}
pScreen->GetImage(pDrawable, sx, sy, w, h, format, planeMask, pdstLine);
out:
SCREEN_WRAP(pScreen, GetImage);
}
static void
RootlessComposite(CARD8 op, PicturePtr pSrc, PicturePtr pMask, PicturePtr pDst,
INT16 xSrc, INT16 ySrc, INT16 xMask, INT16 yMask,
INT16 xDst, INT16 yDst, CARD16 width, CARD16 height)
{
ScreenPtr pScreen = pDst->pDrawable->pScreen;
PictureScreenPtr ps = GetPictureScreen(pScreen);
WindowPtr srcWin, dstWin, maskWin = NULL;
if (pMask) { // pMask can be NULL
maskWin = (pMask->pDrawable && pMask->pDrawable->type == DRAWABLE_WINDOW) ?
(WindowPtr)pMask->pDrawable : NULL;
}
srcWin = (pSrc->pDrawable && pSrc->pDrawable->type == DRAWABLE_WINDOW) ?
(WindowPtr)pSrc->pDrawable : NULL;
dstWin = (pDst->pDrawable->type == DRAWABLE_WINDOW) ?
(WindowPtr)pDst->pDrawable : NULL;
// SCREEN_UNWRAP(ps, Composite);
ps->Composite = SCREENREC(pScreen)->Composite;
if (srcWin && IsFramedWindow(srcWin))
RootlessStartDrawing(srcWin);
if (maskWin && IsFramedWindow(maskWin))
RootlessStartDrawing(maskWin);
if (dstWin && IsFramedWindow(dstWin))
RootlessStartDrawing(dstWin);
ps->Composite(op, pSrc, pMask, pDst,
xSrc, ySrc, xMask, yMask,
xDst, yDst, width, height);
if (dstWin && IsFramedWindow(dstWin)) {
RootlessDamageRect(dstWin, xDst, yDst, width, height);
}
ps->Composite = RootlessComposite;
// SCREEN_WRAP(ps, Composite);
}
/*
* RootlessSourceValidate
* CopyArea and CopyPlane use a GC tied to the destination drawable.
* StartDrawing/StopDrawing wrappers won't be called if source is
* a visible window but the destination isn't. So, we call StartDrawing
* here and leave StopDrawing for the block handler.
*/
static void
RootlessSourceValidate(DrawablePtr pDrawable, int x, int y, int w, int h,
unsigned int subWindowMode)
{
SCREEN_UNWRAP(pDrawable->pScreen, SourceValidate);
if (pDrawable->type == DRAWABLE_WINDOW) {
WindowPtr pWin = (WindowPtr)pDrawable;
RootlessStartDrawing(pWin);
}
if (pDrawable->pScreen->SourceValidate) {
pDrawable->pScreen->SourceValidate(pDrawable, x, y, w, h, subWindowMode);
}
SCREEN_WRAP(pDrawable->pScreen, SourceValidate);
}
static void
RootlessSetSpans(DrawablePtr dst, GCPtr pGC, char *pSrc,
DDXPointPtr pptInit, int *pwidthInit, int nspans, int sorted)
{
GCOP_UNWRAP(pGC);
RL_DEBUG_MSG("set spans start ");
if (nspans <= 0) {
pGC->ops->SetSpans(dst, pGC, pSrc, pptInit, pwidthInit, nspans, sorted);
}
else {
DDXPointPtr ppt = pptInit;
int *pwidth = pwidthInit;
int i = nspans;
BoxRec box;
box.x1 = ppt->x;
box.x2 = box.x1 + *pwidth;
box.y2 = box.y1 = ppt->y;
while (--i) {
ppt++;
pwidth++;
if (box.x1 > ppt->x)
box.x1 = ppt->x;
if (box.x2 < (ppt->x + *pwidth))
box.x2 = ppt->x + *pwidth;
if (box.y1 > ppt->y)
box.y1 = ppt->y;
else if (box.y2 < ppt->y)
box.y2 = ppt->y;
}
box.y2++;
RootlessStartDrawing((WindowPtr) dst);
pGC->ops->SetSpans(dst, pGC, pSrc, pptInit, pwidthInit, nspans, sorted);
TRIM_AND_TRANSLATE_BOX(box, dst, pGC);
if (BOX_NOT_EMPTY(box))
RootlessDamageBox((WindowPtr) dst, &box);
}
GCOP_WRAP(pGC);
RL_DEBUG_MSG("set spans end\n");
}
static void
RootlessGlyphs(CARD8 op, PicturePtr pSrc, PicturePtr pDst,
PictFormatPtr maskFormat, INT16 xSrc, INT16 ySrc,
int nlist, GlyphListPtr list, GlyphPtr *glyphs)
{
ScreenPtr pScreen = pDst->pDrawable->pScreen;
PictureScreenPtr ps = GetPictureScreen(pScreen);
int x, y;
int n;
GlyphPtr glyph;
WindowPtr srcWin, dstWin;
srcWin = (pSrc->pDrawable && pSrc->pDrawable->type == DRAWABLE_WINDOW) ?
(WindowPtr)pSrc->pDrawable : NULL;
dstWin = (pDst->pDrawable->type == DRAWABLE_WINDOW) ?
(WindowPtr)pDst->pDrawable : NULL;
if (srcWin && IsFramedWindow(srcWin)) RootlessStartDrawing(srcWin);
if (dstWin && IsFramedWindow(dstWin)) RootlessStartDrawing(dstWin);
//SCREEN_UNWRAP(ps, Glyphs);
ps->Glyphs = SCREENREC(pScreen)->Glyphs;
ps->Glyphs(op, pSrc, pDst, maskFormat, xSrc, ySrc, nlist, list, glyphs);
ps->Glyphs = RootlessGlyphs;
//SCREEN_WRAP(ps, Glyphs);
if (dstWin && IsFramedWindow(dstWin)) {
x = xSrc;
y = ySrc;
while (nlist--) {
x += list->xOff;
y += list->yOff;
n = list->len;
/* Calling DamageRect for the bounding box of each glyph is
inefficient. So compute the union of all glyphs in a list
and damage that. */
if (n > 0) {
BoxRec box;
glyph = *glyphs++;
box.x1 = x - glyph->info.x;
box.y1 = y - glyph->info.y;
box.x2 = box.x1 + glyph->info.width;
box.y2 = box.y1 + glyph->info.height;
x += glyph->info.xOff;
y += glyph->info.yOff;
while (--n > 0) {
short x1, y1, x2, y2;
glyph = *glyphs++;
x1 = x - glyph->info.x;
y1 = y - glyph->info.y;
x2 = x1 + glyph->info.width;
y2 = y1 + glyph->info.height;
box.x1 = max (box.x1, x1);
box.y1 = max (box.y1, y1);
box.x2 = max (box.x2, x2);
box.y2 = max (box.y2, y2);
x += glyph->info.xOff;
y += glyph->info.yOff;
}
RootlessDamageBox(dstWin, &box);
}
list++;
}
}
}
/* changed area is box around each line */
static void
RootlessPolylines(DrawablePtr dst, GCPtr pGC,
int mode, int npt, DDXPointPtr pptInit)
{
GCOP_UNWRAP(pGC);
RL_DEBUG_MSG("poly lines start ");
RootlessStartDrawing((WindowPtr) dst);
pGC->ops->Polylines(dst, pGC, mode, npt, pptInit);
if (npt > 0) {
BoxRec box;
int extra = pGC->lineWidth >> 1;
box.x2 = box.x1 = pptInit->x;
box.y2 = box.y1 = pptInit->y;
if (npt > 1) {
if (pGC->joinStyle == JoinMiter)
extra = 6 * pGC->lineWidth;
else if (pGC->capStyle == CapProjecting)
extra = pGC->lineWidth;
}
if (mode == CoordModePrevious) {
int x = box.x1;
int y = box.y1;
while (--npt) {
pptInit++;
x += pptInit->x;
y += pptInit->y;
if (box.x1 > x)
box.x1 = x;
else if (box.x2 < x)
box.x2 = x;
if (box.y1 > y)
box.y1 = y;
else if (box.y2 < y)
box.y2 = y;
}
}
else {
while (--npt) {
pptInit++;
if (box.x1 > pptInit->x)
box.x1 = pptInit->x;
else if (box.x2 < pptInit->x)
box.x2 = pptInit->x;
if (box.y1 > pptInit->y)
box.y1 = pptInit->y;
else if (box.y2 < pptInit->y)
box.y2 = pptInit->y;
}
}
box.x2++;
box.y2++;
if (extra) {
box.x1 -= extra;
box.x2 += extra;
box.y1 -= extra;
box.y2 += extra;
}
TRIM_AND_TRANSLATE_BOX(box, dst, pGC);
if (BOX_NOT_EMPTY(box))
RootlessDamageBox((WindowPtr) dst, &box);
}
/* changed area is box around all points */
static void
RootlessPolyPoint(DrawablePtr dst, GCPtr pGC,
int mode, int npt, DDXPointPtr pptInit)
{
GCOP_UNWRAP(pGC);
RL_DEBUG_MSG("polypoint start ");
RootlessStartDrawing((WindowPtr) dst);
pGC->ops->PolyPoint(dst, pGC, mode, npt, pptInit);
if (npt > 0) {
#if ROOTLESS_CHANGED_AREA==0
// box per point
BoxRec box;
while (npt) {
box.x1 = pptInit->x;
box.y1 = pptInit->y;
box.x2 = box.x1 + 1;
box.y2 = box.y1 + 1;
TRIM_AND_TRANSLATE_BOX(box, dst, pGC);
if (BOX_NOT_EMPTY(box))
RootlessDamageBox((WindowPtr) dst, &box);
npt--;
pptInit++;
}
#elif ROOTLESS_CHANGED_AREA==1
// one big box
BoxRec box;
box.x2 = box.x1 = pptInit->x;
box.y2 = box.y1 = pptInit->y;
while (--npt) {
pptInit++;
if (box.x1 > pptInit->x)
box.x1 = pptInit->x;
else if (box.x2 < pptInit->x)
box.x2 = pptInit->x;
if (box.y1 > pptInit->y)
box.y1 = pptInit->y;
else if (box.y2 < pptInit->y)
box.y2 = pptInit->y;
}
box.x2++;
box.y2++;
TRIM_AND_TRANSLATE_BOX(box, dst, pGC);
if (BOX_NOT_EMPTY(box))
RootlessDamageBox((WindowPtr) dst, &box);
#elif ROOTLESS_CHANGED_AREA==2
// clever(?) method: accumulate point in 20-pixel radius
BoxRec box;
int firstx, firsty;
box.x2 = box.x1 = firstx = pptInit->x;
box.y2 = box.y1 = firsty = pptInit->y;
while (--npt) {
pptInit++;
if (abs(pptInit->x - firstx) > 20 || abs(pptInit->y - firsty) > 20) {
box.x2++;
box.y2++;
TRIM_AND_TRANSLATE_BOX(box, dst, pGC);
if (BOX_NOT_EMPTY(box))
RootlessDamageBox((WindowPtr) dst, &box);
box.x2 = box.x1 = firstx = pptInit->x;
box.y2 = box.y1 = firsty = pptInit->y;
}
else {
if (box.x1 > pptInit->x)
box.x1 = pptInit->x;
else if (box.x2 < pptInit->x)
box.x2 = pptInit->x;
if (box.y1 > pptInit->y)
box.y1 = pptInit->y;
else if (box.y2 < pptInit->y)
box.y2 = pptInit->y;
}
}
box.x2++;
box.y2++;
TRIM_AND_TRANSLATE_BOX(box, dst, pGC);
if (BOX_NOT_EMPTY(box))
RootlessDamageBox((WindowPtr) dst, &box);
#endif /* ROOTLESS_CHANGED_AREA */
}
GCOP_WRAP(pGC);
RL_DEBUG_MSG("polypoint end\n");
}
void
miPaintWindow(WindowPtr pWin, RegionPtr prgn, int what)
{
ScreenPtr pScreen = pWin->drawable.pScreen;
ChangeGCVal gcval[6];
BITS32 gcmask;
GCPtr pGC;
int i;
BoxPtr pbox;
xRectangle *prect;
int numRects;
/*
* Distance from screen to destination drawable, use this
* to adjust rendering coordinates which come in in screen space
*/
int draw_x_off, draw_y_off;
/*
* Tile offset for drawing; these need to align the tile
* to the appropriate window origin
*/
int tile_x_off, tile_y_off;
PixUnion fill;
Bool solid = TRUE;
DrawablePtr drawable = &pWin->drawable;
#ifdef ROOTLESS
if (!drawable || drawable->type == UNDRAWABLE_WINDOW)
return;
if (IsFramedWindow(pWin)) {
RootlessStartDrawing(pWin);
RootlessDamageRegion(pWin, prgn);
if (pWin->backgroundState == ParentRelative) {
if ((what == PW_BACKGROUND) ||
(what == PW_BORDER && !pWin->borderIsPixel))
RootlessSetPixmapOfAncestors(pWin);
}
}
#endif
if (what == PW_BACKGROUND) {
while (pWin->backgroundState == ParentRelative)
pWin = pWin->parent;
draw_x_off = drawable->x;
draw_y_off = drawable->y;
tile_x_off = pWin->drawable.x - draw_x_off;
tile_y_off = pWin->drawable.y - draw_y_off;
fill = pWin->background;
#ifdef COMPOSITE
if (pWin->inhibitBGPaint)
return;
#endif
switch (pWin->backgroundState) {
case None:
return;
case BackgroundPixmap:
solid = FALSE;
break;
}
}
else {
PixmapPtr pixmap;
tile_x_off = drawable->x;
tile_y_off = drawable->y;
/* servers without pixmaps draw their own borders */
if (!pScreen->GetWindowPixmap)
return;
pixmap = (*pScreen->GetWindowPixmap) ((WindowPtr) drawable);
drawable = &pixmap->drawable;
#ifdef COMPOSITE
draw_x_off = pixmap->screen_x;
draw_y_off = pixmap->screen_y;
tile_x_off -= draw_x_off;
tile_y_off -= draw_y_off;
#else
draw_x_off = 0;
draw_y_off = 0;
#endif
fill = pWin->border;
solid = pWin->borderIsPixel;
}
gcval[0].val = GXcopy;
gcmask = GCFunction;
#ifdef ROOTLESS_SAFEALPHA
/* Bit mask for alpha channel with a particular number of bits per
* pixel. Note that we only care for 32bpp data. Mac OS X uses planar
* alpha for 16bpp.
*/
#define RootlessAlphaMask(bpp) ((bpp) == 32 ? 0xFF000000 : 0)
#endif
if (solid) {
#ifdef ROOTLESS_SAFEALPHA
gcval[1].val =
fill.pixel | RootlessAlphaMask(pWin->drawable.bitsPerPixel);
#else
gcval[1].val = fill.pixel;
#endif
gcval[2].val = FillSolid;
gcmask |= GCForeground | GCFillStyle;
}
else {
int c = 1;
#ifdef ROOTLESS_SAFEALPHA
gcval[c++].val =
((CARD32) -1) & ~RootlessAlphaMask(pWin->drawable.bitsPerPixel);
gcmask |= GCPlaneMask;
#endif
gcval[c++].val = FillTiled;
gcval[c++].ptr = (void *) fill.pixmap;
gcval[c++].val = tile_x_off;
gcval[c++].val = tile_y_off;
gcmask |= GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin;
}
prect = malloc(RegionNumRects(prgn) * sizeof(xRectangle));
if (!prect)
return;
pGC = GetScratchGC(drawable->depth, drawable->pScreen);
if (!pGC) {
free(prect);
return;
}
ChangeGC(NullClient, pGC, gcmask, gcval);
ValidateGC(drawable, pGC);
numRects = RegionNumRects(prgn);
pbox = RegionRects(prgn);
for (i = numRects; --i >= 0; pbox++, prect++) {
prect->x = pbox->x1 - draw_x_off;
prect->y = pbox->y1 - draw_y_off;
prect->width = pbox->x2 - pbox->x1;
prect->height = pbox->y2 - pbox->y1;
}
prect -= numRects;
(*pGC->ops->PolyFillRect) (drawable, pGC, numRects, prect);
free(prect);
FreeScratchGC(pGC);
}
