static void
compGetSpans(DrawablePtr pDrawable, int wMax, DDXPointPtr ppt, int *pwidth,
int nspans, char *pdstStart)
{
ScreenPtr pScreen = pDrawable->pScreen;
CompScreenPtr cs = GetCompScreen(pScreen);
pScreen->GetSpans = cs->GetSpans;
if (pDrawable->type == DRAWABLE_WINDOW)
compPaintChildrenToWindow((WindowPtr) pDrawable);
(*pScreen->GetSpans) (pDrawable, wMax, ppt, pwidth, nspans, pdstStart);
cs->GetSpans = pScreen->GetSpans;
pScreen->GetSpans = compGetSpans;
}
static void
compGetImage(DrawablePtr pDrawable,
int sx, int sy,
int w, int h,
unsigned int format, unsigned long planemask, char *pdstLine)
{
ScreenPtr pScreen = pDrawable->pScreen;
CompScreenPtr cs = GetCompScreen(pScreen);
pScreen->GetImage = cs->GetImage;
if (pDrawable->type == DRAWABLE_WINDOW)
compPaintChildrenToWindow((WindowPtr) pDrawable);
(*pScreen->GetImage) (pDrawable, sx, sy, w, h, format, planemask, pdstLine);
cs->GetImage = pScreen->GetImage;
pScreen->GetImage = compGetImage;
}
static void
compSourceValidate(DrawablePtr pDrawable,
int x, int y,
int width, int height, unsigned int subWindowMode)
{
ScreenPtr pScreen = pDrawable->pScreen;
CompScreenPtr cs = GetCompScreen(pScreen);
pScreen->SourceValidate = cs->SourceValidate;
if (pDrawable->type == DRAWABLE_WINDOW && subWindowMode == IncludeInferiors)
compPaintChildrenToWindow((WindowPtr) pDrawable);
if (pScreen->SourceValidate)
(*pScreen->SourceValidate) (pDrawable, x, y, width, height,
subWindowMode);
cs->SourceValidate = pScreen->SourceValidate;
pScreen->SourceValidate = compSourceValidate;
}
static void
compScreenUpdate(ScreenPtr pScreen)
{
compCheckTree(pScreen);
compPaintChildrenToWindow(pScreen->root);
}
