DRI: New ClipNotify driver hook.

The hook is called whenever the clipList of any DRI window changes, be it via
DRIClipNotify, DRICreateDrawable or DRIDrawablePrivDelete. This allows the
driver to keep track of which DRI windows are visible where.
This commit is contained in:
Michel Dänzer 2007-02-14 16:17:18 +01:00
commit 3c7a27dc77
3 changed files with 60 additions and 1 deletions

View file

@ -1007,6 +1007,55 @@ DRITransitionTo2d(ScreenPtr pScreen)
}
static int
DRIDCNTreeTraversal(WindowPtr pWin, pointer data)
{
DRIDrawablePrivPtr pDRIDrawablePriv = DRI_DRAWABLE_PRIV_FROM_WINDOW(pWin);
if (pDRIDrawablePriv) {
ScreenPtr pScreen = pWin->drawable.pScreen;
DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
if (REGION_NUM_RECTS(&pWin->clipList) > 0) {
WindowPtr *pDRIWindows = (WindowPtr*)data;
int i = 0;
while (pDRIWindows[i])
i++;
pDRIWindows[i] = pWin;
pDRIPriv->nrWalked++;
}
if (pDRIPriv->nrWindows == pDRIPriv->nrWalked)
return WT_STOPWALKING;
}
return WT_WALKCHILDREN;
}
static void
DRIDriverClipNotify(ScreenPtr pScreen)
{
DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
if (pDRIPriv->pDriverInfo->ClipNotify) {
WindowPtr *pDRIWindows = xcalloc(sizeof(WindowPtr), pDRIPriv->nrWindows);
DRIInfoPtr pDRIInfo = pDRIPriv->pDriverInfo;
if (pDRIPriv->nrWindows > 0) {
pDRIPriv->nrWalked = 0;
TraverseTree(WindowTable[pScreen->myNum], DRIDCNTreeTraversal,
(pointer)pDRIWindows);
}
pDRIInfo->ClipNotify(pScreen, pDRIWindows, pDRIPriv->nrWindows);
xfree(pDRIWindows);
}
}
static void
DRIIncreaseNumberVisible(ScreenPtr pScreen)
{
@ -1022,6 +1071,8 @@ DRIIncreaseNumberVisible(ScreenPtr pScreen)
default:
break;
}
DRIDriverClipNotify(pScreen);
}
static void
@ -1039,6 +1090,8 @@ DRIDecreaseNumberVisible(ScreenPtr pScreen)
default:
break;
}
DRIDriverClipNotify(pScreen);
}
Bool
@ -1880,6 +1933,8 @@ DRIClipNotify(WindowPtr pWin, int dx, int dy)
DRIIncreaseNumberVisible(pScreen);
else if (!nrects && pDRIDrawablePriv->nrects)
DRIDecreaseNumberVisible(pScreen);
else
DRIDriverClipNotify(pScreen);
pDRIDrawablePriv->nrects = nrects;