static HRESULT WINAPI ddrawex_surface4_Restore(IDirectDrawSurface4 *iface)
{
struct ddrawex_surface *surface = impl_from_IDirectDrawSurface4(iface);
TRACE("iface %p.\n", iface);
return IDirectDrawSurface4_Restore(surface->parent);
}
static Bool
winActivateAppShadowDDNL(ScreenPtr pScreen)
{
winScreenPriv(pScreen);
/*
* Do we have a surface?
* Are we active?
* Are we full screen?
*/
if (pScreenPriv != NULL
&& pScreenPriv->pddsPrimary4 != NULL && pScreenPriv->fActive) {
/* Primary surface was lost, restore it */
IDirectDrawSurface4_Restore(pScreenPriv->pddsPrimary4);
}
return TRUE;
}
static Bool
winBltExposedRegionsShadowDDNL (ScreenPtr pScreen)
{
winScreenPriv(pScreen);
winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo;
RECT rcSrc, rcDest;
POINT ptOrigin;
HDC hdcUpdate;
PAINTSTRUCT ps;
HRESULT ddrval = DD_OK;
Bool fReturn = TRUE;
int i;
/* Quite common case. The primary surface was lost (maybe because of depth
* change). Try to create a new primary surface. Bail out if this fails */
if (pScreenPriv->pddsPrimary4 == NULL && pScreenPriv->fRetryCreateSurface &&
!winCreatePrimarySurfaceShadowDDNL(pScreen))
{
Sleep(100);
return FALSE;
}
if (pScreenPriv->pddsPrimary4 == NULL)
return FALSE;
/* BeginPaint gives us an hdc that clips to the invalidated region */
hdcUpdate = BeginPaint (pScreenPriv->hwndScreen, &ps);
if (hdcUpdate == NULL)
{
fReturn = FALSE;
ErrorF ("winBltExposedRegionsShadowDDNL - BeginPaint () returned "
"a NULL device context handle. Aborting blit attempt.\n");
goto winBltExposedRegionsShadowDDNL_Exit;
}
/* Get the origin of the window in the screen coords */
ptOrigin.x = pScreenInfo->dwXOffset;
ptOrigin.y = pScreenInfo->dwYOffset;
MapWindowPoints (pScreenPriv->hwndScreen,
HWND_DESKTOP,
(LPPOINT)&ptOrigin, 1);
rcDest.left = ptOrigin.x;
rcDest.right = ptOrigin.x + pScreenInfo->dwWidth;
rcDest.top = ptOrigin.y;
rcDest.bottom = ptOrigin.y + pScreenInfo->dwHeight;
/* Source can be entire shadow surface, as Blt should clip for us */
rcSrc.left = 0;
rcSrc.top = 0;
rcSrc.right = pScreenInfo->dwWidth;
rcSrc.bottom = pScreenInfo->dwHeight;
/* Try to regain the primary surface and blit again if we've lost it */
for (i = 0; i <= WIN_REGAIN_SURFACE_RETRIES; ++i)
{
/* Our Blt should be clipped to the invalidated region */
ddrval = IDirectDrawSurface4_Blt (pScreenPriv->pddsPrimary4,
&rcDest,
pScreenPriv->pddsShadow4,
&rcSrc,
DDBLT_WAIT,
NULL);
if (ddrval == DDERR_SURFACELOST)
{
/* Surface was lost */
winErrorFVerb (1, "winBltExposedRegionsShadowDDNL - "
"IDirectDrawSurface4_Blt reported that the primary "
"surface was lost, trying to restore, retry: %d\n", i + 1);
/* Try to restore the surface, once */
ddrval = IDirectDrawSurface4_Restore (pScreenPriv->pddsPrimary4);
winDebug ("winBltExposedRegionsShadowDDNL - "
"IDirectDrawSurface4_Restore returned: ");
if (ddrval == DD_OK)
winDebug ("DD_OK\n");
else if (ddrval == DDERR_WRONGMODE)
winDebug ("DDERR_WRONGMODE\n");
else if (ddrval == DDERR_INCOMPATIBLEPRIMARY)
winDebug ("DDERR_INCOMPATIBLEPRIMARY\n");
else if (ddrval == DDERR_UNSUPPORTED)
winDebug ("DDERR_UNSUPPORTED\n");
else if (ddrval == DDERR_INVALIDPARAMS)
winDebug ("DDERR_INVALIDPARAMS\n");
else if (ddrval == DDERR_INVALIDOBJECT)
winDebug ("DDERR_INVALIDOBJECT\n");
else
winDebug ("unknown error: %08x\n", (unsigned int) ddrval);
/* Loop around to try the blit one more time */
continue;
}
else if (FAILED (ddrval))
{
fReturn = FALSE;
winErrorFVerb (1, "winBltExposedRegionsShadowDDNL - "
"IDirectDrawSurface4_Blt failed, but surface not "
"lost: %08x %d\n",
(unsigned int) ddrval, (int) ddrval);
goto winBltExposedRegionsShadowDDNL_Exit;
}
else
{
/* Success, stop looping */
break;
}
}
winBltExposedRegionsShadowDDNL_Exit:
/* EndPaint frees the DC */
if (hdcUpdate != NULL)
EndPaint (pScreenPriv->hwndScreen, &ps);
return fReturn;
}
