allocations to the pool, i.e. all of <b><a href="../calls/vkAllocateDescriptorSets.html">vkAllocateDescriptorSets</a></b>, <b><a href="../calls/vkFreeDescriptorSets.html">vkFreeDescriptorSets</a></b>, and <b><a href="../calls/vkResetDescriptorPool.html">vkResetDescriptorPool</a></b> are allowed. Otherwise, descriptor sets allocated from the pool <i>must</i> not be individually freed back to the pool, i.e. only <b><a href="../calls/vkAllocateDescriptorSets.html">vkAllocateDescriptorSets</a></b> and <b><a hre