Graphics: Improve TextureSampler handling

src/Nazara/Graphics/TextureSamplerCache.cpp

@@ -0,0 +1,19 @@
+// 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
+
+#include <Nazara/Graphics/TextureSamplerCache.hpp>
+#include <Nazara/Renderer/RenderDevice.hpp>
+#include <Nazara/Graphics/Debug.hpp>
+
+namespace Nz
+{
+	const std::shared_ptr<TextureSampler>& TextureSamplerCache::Get(const TextureSamplerInfo& info)
+	{
+		auto it = m_samplers.find(info);
+		if (it == m_samplers.end())
+			it = m_samplers.emplace(info, m_device->InstantiateTextureSampler(info)).first;
+
+		return it->second;
+	}
+}