Method reset

kernels/subdiv/tessellation_cache.cpp:135–168

  
  
  void SharedLazyTessellationCache::reset()
  {
    /* lock the reset_state */
    reset_state.lock();

    /* lock the linked list of thread states */
    linkedlist_mtx.lock();

    /* block all threads */
    for (ThreadWorkState *t=current_t_state;t!=nullptr;t=t->next)
      if (lockThread(t,THREAD_BLOCK_ATOMIC_ADD) != 0)
        waitForUsersLessEqual(t,THREAD_BLOCK_ATOMIC_ADD);

    /* reset to the first segment */
    next_block = 0;
#if FORCE_SIMPLE_FLUSH == 1
    switch_block_threshold = maxBlocks;
#else
    switch_block_threshold = maxBlocks/NUM_CACHE_SEGMENTS;
#endif

    /* reset local time */
    localTime = NUM_CACHE_SEGMENTS;

    /* release all blocked threads */
    for (ThreadWorkState *t=current_t_state;t!=nullptr;t=t->next)
      unlockThread(t,-THREAD_BLOCK_ATOMIC_ADD);

    /* unlock the linked list of thread states */
    linkedlist_mtx.unlock();	    

    /* unlock the reset_state */
    reset_state.unlock();
  }

  void SharedLazyTessellationCache::realloc(const size_t new_size)
  {