static void stubCheckWindowsState(void)
{
ContextInfo *context = stubGetCurrentContext();
CRASSERT(stub.trackWindowSize || stub.trackWindowPos);
if (!context)
return;
#if defined(WINDOWS) && defined(VBOX_WITH_WDDM)
if (stub.bRunningUnderWDDM)
return;
#endif
/* Try to keep a consistent locking order. */
crHashtableLock(stub.windowTable);
#if defined(CR_NEWWINTRACK) && !defined(WINDOWS)
crLockMutex(&stub.mutex);
#endif
stubCheckWindowState(context->currentDrawable, GL_TRUE);
crHashtableWalkUnlocked(stub.windowTable, stubCheckWindowsCB, context);
#if defined(CR_NEWWINTRACK) && !defined(WINDOWS)
crUnlockMutex(&stub.mutex);
#endif
crHashtableUnlock(stub.windowTable);
}
void renderspuVBoxCompositorClearAll()
{
/* we need to clear window compositor, which is not that trivial though,
* since the lock order used in presentation thread is compositor lock() -> hash table lock (aquired for id->window resolution)
* this is why, to prevent potential deadlocks, we use crHashtableWalkUnlocked that does not hold the table lock
* we are can be sure noone will modify the table here since renderspuVBoxCompositorClearAll can be called in the command (hgcm) thread only,
* and the table can be modified from that thread only as well */
crHashtableWalkUnlocked(render_spu.windowTable, renderspuVBoxCompositorClearAllCB, NULL);
}
static DECLCALLBACK(int) stubSyncThreadProc(RTTHREAD ThreadSelf, void *pvUser)
{
#ifdef WINDOWS
MSG msg;
# ifdef VBOX_WITH_WDDM
HMODULE hVBoxD3D = NULL;
GLint spuConnection = 0;
# endif
#endif
(void) pvUser;
crDebug("Sync thread started");
#ifdef WINDOWS
PeekMessage(&msg, NULL, WM_USER, WM_USER, PM_NOREMOVE);
# ifdef VBOX_WITH_WDDM
hVBoxD3D = NULL;
if (!GetModuleHandleEx(0, VBOX_MODNAME_DISPD3D, &hVBoxD3D))
{
crDebug("GetModuleHandleEx failed err %d", GetLastError());
hVBoxD3D = NULL;
}
if (hVBoxD3D)
{
crDebug("running with " VBOX_MODNAME_DISPD3D);
stub.trackWindowVisibleRgn = 0;
stub.bRunningUnderWDDM = true;
}
# endif /* VBOX_WITH_WDDM */
#endif /* WINDOWS */
crLockMutex(&stub.mutex);
#if defined(WINDOWS) && defined(VBOX_WITH_WDDM)
spuConnection =
#endif
stub.spu->dispatch_table.VBoxPackSetInjectThread(NULL);
#if defined(WINDOWS) && defined(VBOX_WITH_WDDM)
if (stub.bRunningUnderWDDM && !spuConnection)
{
crError("VBoxPackSetInjectThread failed!");
}
#endif
crUnlockMutex(&stub.mutex);
RTThreadUserSignal(ThreadSelf);
while(!stub.bShutdownSyncThread)
{
#ifdef WINDOWS
if (!PeekMessage(&msg, 0, 0, 0, PM_REMOVE))
{
# ifdef VBOX_WITH_WDDM
if (stub.bRunningUnderWDDM)
{
}
else
# endif
{
crHashtableWalk(stub.windowTable, stubSyncTrCheckWindowsCB, NULL);
RTThreadSleep(50);
}
}
else
{
if (WM_QUIT==msg.message)
{
crDebug("Sync thread got WM_QUIT");
break;
}
else
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
}
#else
/* Try to keep a consistent locking order. */
crHashtableLock(stub.windowTable);
crLockMutex(&stub.mutex);
crHashtableWalkUnlocked(stub.windowTable, stubSyncTrCheckWindowsCB, NULL);
crUnlockMutex(&stub.mutex);
crHashtableUnlock(stub.windowTable);
RTThreadSleep(50);
#endif
}
#ifdef VBOX_WITH_WDDM
if (spuConnection)
{
stub.spu->dispatch_table.VBoxConDestroy(spuConnection);
}
if (hVBoxD3D)
{
FreeLibrary(hVBoxD3D);
}
#endif
crDebug("Sync thread stopped");
return 0;
}
