Add vulkan sampler cache

include/renderer_vk/vk_sampler_cache.hpp

@@ -0,0 +1,28 @@
+#pragma once
+
+#include <optional>
+#include <unordered_map>
+
+#include "helpers.hpp"
+#include "vk_api.hpp"
+
+namespace Vulkan {
+	// Implements a simple pool of reusable sampler objects
+	class SamplerCache {
+	  private:
+		const vk::Device device;
+
+		std::unordered_map<std::size_t, vk::UniqueSampler> samplerMap;
+
+		explicit SamplerCache(vk::Device device);
+
+	  public:
+		~SamplerCache() = default;
+
+		SamplerCache(SamplerCache&&) = default;
+
+		const vk::Sampler& getSampler(const vk::SamplerCreateInfo& samplerInfo);
+
+		static std::optional<SamplerCache> create(vk::Device device);
+	};
+}  // namespace Vulkan