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Xv: Only stop the adaptors when the Pixmap is finally destroyed 

Pixmaps are reference counted and DestroyPixmap is called for the
removal of every reference. However, we only want to stop the adaptors
writing into the Pixmap just before the Pixmap is finally destroyed,
similar to how Windows are handled.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
This commit is contained in:
Chris Wilson 2015-04-05 10:32:03 +01:00 committed by Adam Jackson
parent 413cb2ff1d
commit 912f1fe2bb
1 changed files with 24 additions and 58 deletions
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82
Xext/xvmain.c
View File

@ -327,36 +327,24 @@ XvGetRTPort(void)
return XvRTPort;
}
static Bool
XvDestroyPixmap(PixmapPtr pPix)
static void
XvStopAdaptors(DrawablePtr pDrawable)
{
Bool status;
ScreenPtr pScreen;
XvScreenPtr pxvs;
XvAdaptorPtr pa;
int na;
XvPortPtr pp;
int np;
pScreen = pPix->drawable.pScreen;
SCREEN_PROLOGUE(pScreen, DestroyPixmap);
pxvs = (XvScreenPtr) dixLookupPrivate(&pScreen->devPrivates, XvScreenKey);
ScreenPtr pScreen = pDrawable->pScreen;
XvScreenPtr pxvs = dixLookupPrivate(&pScreen->devPrivates, XvScreenKey);
XvAdaptorPtr pa = pxvs->pAdaptors;
int na = pxvs->nAdaptors;
/* CHECK TO SEE IF THIS PORT IS IN USE */
pa = pxvs->pAdaptors;
na = pxvs->nAdaptors;
while (na--) {
np = pa->nPorts;
pp = pa->pPorts;
XvPortPtr pp = pa->pPorts;
int np = pa->nPorts;
while (np--) {
if (pp->pDraw == (DrawablePtr) pPix) {
XvdiSendVideoNotify(pp, pp->pDraw, XvPreempted);
if (pp->pDraw == pDrawable) {
XvdiSendVideoNotify(pp, pDrawable, XvPreempted);
(void) (*pp->pAdaptor->ddStopVideo) (pp, pp->pDraw);
(void) (*pp->pAdaptor->ddStopVideo) (pp, pDrawable);
pp->pDraw = NULL;
pp->client = NULL;
@ -366,9 +354,19 @@ XvDestroyPixmap(PixmapPtr pPix)
}
pa++;
}
}
static Bool
XvDestroyPixmap(PixmapPtr pPix)
{
ScreenPtr pScreen = pPix->drawable.pScreen;
Bool status;
if (pPix->refcnt == 1)
XvStopAdaptors(&pPix->drawable);
SCREEN_PROLOGUE(pScreen, DestroyPixmap);
status = (*pScreen->DestroyPixmap) (pPix);
SCREEN_EPILOGUE(pScreen, DestroyPixmap, XvDestroyPixmap);
return status;
@ -378,45 +376,13 @@ XvDestroyPixmap(PixmapPtr pPix)
static Bool
XvDestroyWindow(WindowPtr pWin)
{
ScreenPtr pScreen = pWin->drawable.pScreen;
Bool status;
ScreenPtr pScreen;
XvScreenPtr pxvs;
XvAdaptorPtr pa;
int na;
XvPortPtr pp;
int np;
pScreen = pWin->drawable.pScreen;
XvStopAdaptors(&pWin->drawable);
SCREEN_PROLOGUE(pScreen, DestroyWindow);
pxvs = (XvScreenPtr) dixLookupPrivate(&pScreen->devPrivates, XvScreenKey);
/* CHECK TO SEE IF THIS PORT IS IN USE */
pa = pxvs->pAdaptors;
na = pxvs->nAdaptors;
while (na--) {
np = pa->nPorts;
pp = pa->pPorts;
while (np--) {
if (pp->pDraw == (DrawablePtr) pWin) {
XvdiSendVideoNotify(pp, pp->pDraw, XvPreempted);
(void) (*pp->pAdaptor->ddStopVideo) (pp, pp->pDraw);
pp->pDraw = NULL;
pp->client = NULL;
pp->time = currentTime;
}
pp++;
}
pa++;
}
status = (*pScreen->DestroyWindow) (pWin);
SCREEN_EPILOGUE(pScreen, DestroyWindow, XvDestroyWindow);
return status;