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diff --git a/src/core/file_sys/vfs_layered.h b/src/core/file_sys/vfs_layered.h
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+// Copyright 2018 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <memory>
+#include "core/file_sys/vfs.h"
+
+namespace FileSys {
+
+// Wrapper function to allow for more efficient handling of dirs.size() == 0, 1 cases.
+VirtualDir LayerDirectories(std::vector<VirtualDir> dirs, std::string name = "");
+
+// Class that stacks multiple VfsDirectories on top of each other, attempting to read from the first
+// one and falling back to the one after. The highest priority directory (overwrites all others)
+// should be element 0 in the dirs vector.
+class LayeredVfsDirectory : public VfsDirectory {
+ friend VirtualDir LayerDirectories(std::vector<VirtualDir> dirs, std::string name);
+
+ LayeredVfsDirectory(std::vector<VirtualDir> dirs, std::string name);
+
+public:
+ ~LayeredVfsDirectory() override;
+
+ std::shared_ptr<VfsFile> GetFileRelative(std::string_view path) const override;
+ std::shared_ptr<VfsDirectory> GetDirectoryRelative(std::string_view path) const override;
+ std::shared_ptr<VfsFile> GetFile(std::string_view name) const override;
+ std::shared_ptr<VfsDirectory> GetSubdirectory(std::string_view name) const override;
+ std::string GetFullPath() const override;
+
+ std::vector<std::shared_ptr<VfsFile>> GetFiles() const override;
+ std::vector<std::shared_ptr<VfsDirectory>> GetSubdirectories() const override;
+ bool IsWritable() const override;
+ bool IsReadable() const override;
+ std::string GetName() const override;
+ std::shared_ptr<VfsDirectory> GetParentDirectory() const override;
+ std::shared_ptr<VfsDirectory> CreateSubdirectory(std::string_view name) override;
+ std::shared_ptr<VfsFile> CreateFile(std::string_view name) override;
+ bool DeleteSubdirectory(std::string_view name) override;
+ bool DeleteFile(std::string_view name) override;
+ bool Rename(std::string_view name) override;
+
+protected:
+ bool ReplaceFileWithSubdirectory(VirtualFile file, VirtualDir dir) override;
+
+private:
+ std::vector<VirtualDir> dirs;
+ std::string name;
+};
+
+} // namespace FileSys