unsigned int getNext()
{
// no need to optimize this with atomics, it is only called ONCE per thread!
mMutex.lock();
unsigned int val = mCounter++;
mMutex.unlock();
return val;
}
void unlockQueue()
{
if ( m_useSpinMutex )
{
m_mutex.unlock();
}
else
{
m_queueLock->unlock();
}
}
static btVector4 selectColor2()
{
#ifdef BT_THREADSAFE
static btSpinMutex sMutex;
sMutex.lock();
#endif
static int curColor = 0;
btVector4 color = colors[curColor];
curColor++;
curColor &= 3;
#ifdef BT_THREADSAFE
sMutex.unlock();
#endif
return color;
}