diff --git a/dlls/d3dx9_36/d3dx9_36.spec b/dlls/d3dx9_36/d3dx9_36.spec
index 9f4293713c9..5a6e6e6ca9b 100644
--- a/dlls/d3dx9_36/d3dx9_36.spec
+++ b/dlls/d3dx9_36/d3dx9_36.spec
@@ -173,9 +173,9 @@
 @ stub D3DXLoadMeshFromXResource(long ptr ptr long ptr ptr ptr ptr ptr ptr)
 @ stub D3DXLoadMeshFromXW(ptr long ptr ptr ptr ptr ptr ptr)
 @ stub D3DXLoadMeshFromXof(ptr long ptr ptr ptr ptr ptr ptr)
-@ stub D3DXLoadMeshHierarchyFromXA(ptr long ptr ptr ptr ptr ptr)
+@ stdcall D3DXLoadMeshHierarchyFromXA(str long ptr ptr ptr ptr ptr)
 @ stdcall D3DXLoadMeshHierarchyFromXInMemory(ptr long long ptr ptr ptr ptr ptr)
-@ stub D3DXLoadMeshHierarchyFromXW(ptr long ptr ptr ptr ptr ptr)
+@ stdcall D3DXLoadMeshHierarchyFromXW(wstr long ptr ptr ptr ptr ptr)
 @ stub D3DXLoadPatchMeshFromXof(ptr long ptr ptr ptr long ptr)
 @ stub D3DXLoadPRTBufferFromFileA(ptr ptr)
 @ stub D3DXLoadPRTBufferFromFileW(ptr ptr)
diff --git a/dlls/d3dx9_36/mesh.c b/dlls/d3dx9_36/mesh.c
index da40402c6c1..c05b2686083 100644
--- a/dlls/d3dx9_36/mesh.c
+++ b/dlls/d3dx9_36/mesh.c
@@ -2724,6 +2724,66 @@ cleanup:
     return hr;
 }
 
+HRESULT WINAPI D3DXLoadMeshHierarchyFromXA(LPCSTR filename,
+                                           DWORD options,
+                                           LPDIRECT3DDEVICE9 device,
+                                           LPD3DXALLOCATEHIERARCHY alloc_hier,
+                                           LPD3DXLOADUSERDATA load_user_data,
+                                           LPD3DXFRAME *frame_hierarchy,
+                                           LPD3DXANIMATIONCONTROLLER *anim_controller)
+{
+    HRESULT hr;
+    int len;
+    LPWSTR filenameW;
+
+    TRACE("(%s, %x, %p, %p, %p, %p, %p)\n", debugstr_a(filename), options,
+          device, alloc_hier, load_user_data, frame_hierarchy, anim_controller);
+
+    if (!filename)
+        return D3DERR_INVALIDCALL;
+
+    len = MultiByteToWideChar(CP_ACP, 0, filename, -1, NULL, 0);
+    filenameW = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
+    if (!filenameW) return E_OUTOFMEMORY;
+    MultiByteToWideChar(CP_ACP, 0, filename, -1, filenameW, len);
+
+    hr = D3DXLoadMeshHierarchyFromXW(filenameW, options, device,
+            alloc_hier, load_user_data, frame_hierarchy, anim_controller);
+    HeapFree(GetProcessHeap(), 0, filenameW);
+
+    return hr;
+}
+
+HRESULT WINAPI D3DXLoadMeshHierarchyFromXW(LPCWSTR filename,
+                                           DWORD options,
+                                           LPDIRECT3DDEVICE9 device,
+                                           LPD3DXALLOCATEHIERARCHY alloc_hier,
+                                           LPD3DXLOADUSERDATA load_user_data,
+                                           LPD3DXFRAME *frame_hierarchy,
+                                           LPD3DXANIMATIONCONTROLLER *anim_controller)
+{
+    HRESULT hr;
+    DWORD size;
+    LPVOID buffer;
+
+    TRACE("(%s, %x, %p, %p, %p, %p, %p)\n", debugstr_w(filename), options,
+          device, alloc_hier, load_user_data, frame_hierarchy, anim_controller);
+
+    if (!filename)
+        return D3DERR_INVALIDCALL;
+
+    hr = map_view_of_file(filename, &buffer, &size);
+    if (FAILED(hr))
+        return D3DXERR_INVALIDDATA;
+
+    hr = D3DXLoadMeshHierarchyFromXInMemory(buffer, size, options, device,
+            alloc_hier, load_user_data, frame_hierarchy, anim_controller);
+
+    UnmapViewOfFile(buffer);
+
+    return hr;
+}
+
 static HRESULT filedata_get_name(IDirectXFileData *filedata, char **name)
 {
     HRESULT hr;