Method flush_descriptor_state_impl

framework/core/command_buffer.h:1312–1461

			{
				update_descriptor_sets.emplace(descriptor_set_id);
			}
		}
	}

	// Validate that the bound descriptor set layouts exist in the pipeline layout
	for (auto set_it = descriptor_set_layout_binding_state.begin(); set_it != descriptor_set_layout_binding_state.end();)
	{
		if (!pipeline_layout.has_descriptor_set_layout(set_it->first))
		{
			set_it = descriptor_set_layout_binding_state.erase(set_it);
		}
		else
		{
			++set_it;
		}
	}

	// Check if a descriptor set needs to be created
	if (resource_binding_state.is_dirty() || !update_descriptor_sets.empty())
	{
		resource_binding_state.clear_dirty();

		// Iterate over all of the resource sets bound by the command buffer
		for (auto &resource_set_it : resource_binding_state.get_resource_sets())
		{
			uint32_t descriptor_set_id = resource_set_it.first;
			auto    &resource_set      = resource_set_it.second;

			// Don't update resource set if it's not in the update list OR its state hasn't changed
			if (!resource_set.is_dirty() && (update_descriptor_sets.find(descriptor_set_id) == update_descriptor_sets.end()))
			{
				continue;
			}

			// Clear dirty flag for resource set
			resource_binding_state.clear_dirty(descriptor_set_id);

			// Skip resource set if a descriptor set layout doesn't exist for it
			if (!pipeline_layout.has_descriptor_set_layout(descriptor_set_id))
			{
				continue;
			}

			auto &descriptor_set_layout = pipeline_layout.get_descriptor_set_layout(descriptor_set_id);

			// Make descriptor set layout bound for current set
			descriptor_set_layout_binding_state[descriptor_set_id] = &descriptor_set_layout;

			BindingMap<vk::DescriptorBufferInfo> buffer_infos;
			BindingMap<vk::DescriptorImageInfo>  image_infos;

			std::vector<uint32_t> dynamic_offsets;

			// Iterate over all resource bindings
			for (auto &binding_it : resource_set.get_resource_bindings())
			{
				auto  binding_index     = binding_it.first;
				auto &binding_resources = binding_it.second;