BuildBindLessTextureDescriptorSetLayout()

void Spices::VulkanDescriptorSetLayout::BuildBindLessTextureDescriptorSetLayout	(	const std::unordered_map< uint32_t, VkDescriptorSetLayoutBinding > &	bindings,
		const std::string &	caption = "" )

Build a bindLess texture VkDescriptorSetLayout with bindings.

Parameters

[in]	bindings	all the bindings used in a VkDescriptorSetLayout.
[in]	caption	DescriptorSetLayout Name.

Get linear binding data and flags.

@breif Instance a VkDescriptorSetLayoutBindingFlagsCreateInfo.

@breif Instance a VkDescriptorSetLayoutCreateInfo.

Create DescriptorSetLayout.

Get linear binding data and flags.

@breif Instance a VkDescriptorSetLayoutBindingFlagsCreateInfo.

@breif Instance a VkDescriptorSetLayoutCreateInfo.

Create DescriptorSetLayout.

Definition at line 162 of file VulkanDescriptor.cpp.

    {
        SPICES_PROFILE_ZONE;
 
        std::vector<VkDescriptorSetLayoutBinding> setLayoutBindings{};
        std::vector<VkDescriptorBindingFlags>     setBindingFlags{};
 
        for (auto& kv : bindings) 
        {
            setLayoutBindings.push_back(kv.second);
 
            switch (kv.second.descriptorType)
            {
            case VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER:
                setBindingFlags.push_back(VK_DESCRIPTOR_BINDING_PARTIALLY_BOUND_BIT | VK_DESCRIPTOR_BINDING_VARIABLE_DESCRIPTOR_COUNT_BIT | VK_DESCRIPTOR_BINDING_UPDATE_AFTER_BIND_BIT);
                break;
            default:
                SPICES_CORE_ERROR("BindLess only support COMBINED_IMAGE_SAMPLER type binding")
                break;
            }
        }
 
        VkDescriptorSetLayoutBindingFlagsCreateInfo       bindingFlags{};
        bindingFlags.sType                              = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_BINDING_FLAGS_CREATE_INFO;
        bindingFlags.pNext                              = nullptr;
        bindingFlags.pBindingFlags                      = setBindingFlags.data();
        bindingFlags.bindingCount                       = static_cast<uint32_t>(setBindingFlags.size());
 
        VkDescriptorSetLayoutCreateInfo                   descriptorSetLayoutCreateInfo{};
        descriptorSetLayoutCreateInfo.sType             = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO;
        descriptorSetLayoutCreateInfo.bindingCount      = static_cast<uint32_t>(setLayoutBindings.size());
        descriptorSetLayoutCreateInfo.pBindings         = setLayoutBindings.data();
        descriptorSetLayoutCreateInfo.flags             = VK_DESCRIPTOR_SET_LAYOUT_CREATE_UPDATE_AFTER_BIND_POOL_BIT;  /* @brief Create if from a descriptor pool that has update after bind. */
        descriptorSetLayoutCreateInfo.pNext             = &bindingFlags;
 
        VK_CHECK(vkCreateDescriptorSetLayout(m_VulkanState.m_Device, &descriptorSetLayoutCreateInfo, nullptr, &m_Layout))
        DEBUGUTILS_SETOBJECTNAME(VK_OBJECT_TYPE_DESCRIPTOR_SET_LAYOUT, reinterpret_cast<uint64_t>(m_Layout), m_VulkanState.m_Device, "DescriptorSetLayout" + caption)
    }