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<li>The library has no global state, so separate <code>VmaAllocator</code> objects can be used independently.</li>
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<li>By default, all calls to functions that take <code>VmaAllocator</code> as first parameter are safe to call from multiple threads simultaneously because they are synchronized internally when needed.</li>
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<li>When the allocator is created with <code>VMA_ALLOCATOR_CREATE_EXTERNALLY_SYNCHRONIZED_BIT</code> flag, calls to functions that take such <code>VmaAllocator</code> object must be synchronized externally.</li>
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<li>Access to a <code>VmaAllocation</code> object must be externally synchronized. For example, you must not call <a class="el" href="vk__mem__alloc_8h.html#a86dd08aba8633bfa4ad0df2e76481d8b" title="Returns current information about specified allocation. ">vmaGetAllocationInfo()</a> and <a class="el" href="vk__mem__alloc_8h.html#a6aced90fcc7b39882b6654a740a0b9bb" title="Compacts memory by moving allocations. ">vmaDefragment()</a> from different threads at the same time if you pass the same <code>VmaAllocation</code> object to these functions. </li>
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