static void
cwDestroyPicture (PicturePtr pPicture)
{
ScreenPtr pScreen = pPicture->pDrawable->pScreen;
cwPsDecl(pScreen);
cwPsUnwrap(DestroyPicture);
cwDestroyPicturePrivate (pPicture);
(*ps->DestroyPicture) (pPicture);
cwPsWrap(DestroyPicture, cwDestroyPicture);
}
static void
cwValidatePicture(PicturePtr pPicture, Mask mask)
{
DrawablePtr pDrawable = pPicture->pDrawable;
ScreenPtr pScreen = pDrawable->pScreen;
cwPsDecl(pScreen);
cwPicturePrivate;
cwPsUnwrap(ValidatePicture);
/*
* Must call ValidatePicture to ensure pPicture->pCompositeClip is valid
*/
(*ps->ValidatePicture) (pPicture, mask);
if (!cwDrawableIsRedirWindow(pDrawable)) {
if (pPicturePrivate)
cwDestroyPicturePrivate(pPicture);
}
else {
PicturePtr pBackingPicture;
DrawablePtr pBackingDrawable;
int x_off, y_off;
pBackingDrawable = cwGetBackingDrawable(pDrawable, &x_off, &y_off);
if (pPicturePrivate &&
pPicturePrivate->pBackingPicture->pDrawable != pBackingDrawable) {
cwDestroyPicturePrivate(pPicture);
pPicturePrivate = 0;
}
if (!pPicturePrivate) {
pPicturePrivate = cwCreatePicturePrivate(pPicture);
if (!pPicturePrivate) {
cwPsWrap(ValidatePicture, cwValidatePicture);
return;
}
}
pBackingPicture = pPicturePrivate->pBackingPicture;
/*
* Always copy transform and filters because there's no
* indication of when they've changed
*/
SetPictureTransform(pBackingPicture, pPicture->transform);
if (pBackingPicture->filter != pPicture->filter ||
pPicture->filter_nparams > 0) {
char *filter = PictureGetFilterName(pPicture->filter);
SetPictureFilter(pBackingPicture,
filter, strlen(filter),
pPicture->filter_params, pPicture->filter_nparams);
}
pPicturePrivate->stateChanges |= mask;
if (pPicturePrivate->serialNumber != pDrawable->serialNumber ||
(pPicturePrivate->
stateChanges & (CPClipXOrigin | CPClipYOrigin | CPClipMask))) {
SetPictureClipRegion(pBackingPicture, x_off - pDrawable->x,
y_off - pDrawable->y,
pPicture->pCompositeClip);
pPicturePrivate->serialNumber = pDrawable->serialNumber;
pPicturePrivate->stateChanges &=
~(CPClipXOrigin | CPClipYOrigin | CPClipMask);
}
CopyPicture(pPicture, pPicturePrivate->stateChanges, pBackingPicture);
ValidatePicture(pBackingPicture);
}
cwPsWrap(ValidatePicture, cwValidatePicture);
}