Graphics: Improve TextureSampler handling

include/Nazara/Graphics/TextureSamplerCache.hpp

@@ -0,0 +1,40 @@
+// Copyright (C) 2017 Jérôme Leclercq
+// This file is part of the "Nazara Engine - Graphics module"
+// For conditions of distribution and use, see copyright notice in Config.hpp
+
+#pragma once
+
+#ifndef NAZARA_TEXTURESAMPLERCACHE_HPP
+#define NAZARA_TEXTURESAMPLERCACHE_HPP
+
+#include <Nazara/Prerequisites.hpp>
+#include <Nazara/Graphics/Config.hpp>
+#include <Nazara/Renderer/TextureSampler.hpp>
+#include <unordered_map>
+
+namespace Nz
+{
+	class RenderDevice;
+
+	class NAZARA_GRAPHICS_API TextureSamplerCache
+	{
+		public:
+			inline TextureSamplerCache(std::shared_ptr<RenderDevice> device);
+			TextureSamplerCache(const TextureSamplerCache&) = delete;
+			TextureSamplerCache(TextureSamplerCache&&) = delete;
+			~TextureSamplerCache() = default;
+
+			const std::shared_ptr<TextureSampler>& Get(const TextureSamplerInfo& info);
+
+			TextureSamplerCache& operator=(const TextureSamplerCache&) = delete;
+			TextureSamplerCache& operator=(TextureSamplerCache&&) = delete;
+
+		private:
+			std::shared_ptr<RenderDevice> m_device;
+			std::unordered_map<TextureSamplerInfo, std::shared_ptr<TextureSampler>> m_samplers;
+	};
+}
+
+#include <Nazara/Graphics/TextureSamplerCache.inl>
+
+#endif