Add initial support for shader binding sets (WIP)

include/Nazara/VulkanRenderer/VulkanDescriptorSetLayoutCache.hpp

@@ -0,0 +1,58 @@
+// Copyright (C) 2020 Jérôme Leclercq
+// This file is part of the "Nazara Engine - Renderer module"
+// For conditions of distribution and use, see copyright notice in Config.hpp
+
+#pragma once
+
+#ifndef NAZARA_VULKANRENDERER_VULKANDESCRIPTORSETLAYOUTCACHE_HPP
+#define NAZARA_VULKANRENDERER_VULKANDESCRIPTORSETLAYOUTCACHE_HPP
+
+#include <Nazara/Prerequisites.hpp>
+#include <Nazara/Core/Algorithm.hpp>
+#include <Nazara/VulkanRenderer/Wrapper/DescriptorSetLayout.hpp>
+#include <unordered_map>
+
+namespace Nz
+{
+	namespace Vk
+	{
+		class Device;
+	}
+
+	struct VulkanDescriptorSetLayoutInfo
+	{
+		VkDescriptorSetLayoutCreateFlags createFlags = 0;
+		std::vector<VkDescriptorSetLayoutBinding> bindings;
+	};
+
+	struct VulkanDescriptorSetLayoutBindingHasher
+	{
+		inline std::size_t operator()(const VulkanDescriptorSetLayoutInfo& layoutInfo) const;
+	};
+
+	struct VulkanDescriptorSetLayoutBindingEqual
+	{
+		inline bool operator()(const VulkanDescriptorSetLayoutInfo& lhs, const VulkanDescriptorSetLayoutInfo& rhs) const;
+	};
+
+	class VulkanDescriptorSetLayoutCache
+	{
+		public:
+			inline VulkanDescriptorSetLayoutCache(Vk::Device& device);
+			~VulkanDescriptorSetLayoutCache() = default;
+
+			inline void Clear();
+
+			inline const Vk::DescriptorSetLayout& Get(const VulkanDescriptorSetLayoutInfo& layoutInfo) const;
+
+		private:
+			using Cache = std::unordered_map<VulkanDescriptorSetLayoutInfo, Vk::DescriptorSetLayout, VulkanDescriptorSetLayoutBindingHasher, VulkanDescriptorSetLayoutBindingEqual>;
+
+			mutable Cache m_cache;
+			Vk::Device& m_device;
+	};
+}
+
+#include <Nazara/VulkanRenderer/VulkanDescriptorSetLayoutCache.inl>
+
+#endif