dxgi: Add a stub for DXGID3D10RegisterLayers.

dlls/dxgi/dxgi.spec

 @ stdcall CreateDXGIFactory(ptr ptr)
+@ stdcall DXGID3D10RegisterLayers(ptr long)

dlls/dxgi/dxgi_main.c

@@ -62,3 +62,10 @@ HRESULT WINAPI CreateDXGIFactory(REFIID riid, void **factory)
 
     return hr;
 }
+
+HRESULT WINAPI DXGID3D10RegisterLayers(const struct dxgi_device_layer *layers, UINT layer_count)
+{
+    FIXME("layers %p, layer_count %u stub!\n", layers, layer_count);
+
+    return E_NOTIMPL;
+}

dlls/dxgi/dxgi_private.h

@@ -63,4 +63,36 @@ struct dxgi_swapchain
     LONG refcount;
 };
 
+/* Layered device */
+enum dxgi_device_layer_id
+{
+    DXGI_DEVICE_LAYER_DEBUG1        = 0x8,
+    DXGI_DEVICE_LAYER_THREAD_SAFE   = 0x10,
+    DXGI_DEVICE_LAYER_DEBUG2        = 0x20,
+    DXGI_DEVICE_LAYER_SWITCH_TO_REF = 0x30,
+    DXGI_DEVICE_LAYER_D3D10_DEVICE  = 0xffffffff,
+};
+
+struct layer_get_size_args
+{
+    DWORD unknown0;
+    DWORD unknown1;
+    DWORD *unknown2;
+    DWORD *unknown3;
+    IDXGIAdapter *adapter;
+    WORD interface_major;
+    WORD interface_minor;
+    WORD version_build;
+    WORD version_revision;
+};
+
+struct dxgi_device_layer
+{
+    enum dxgi_device_layer_id id;
+    HRESULT (WINAPI *init)(enum dxgi_device_layer_id id, DWORD *count, DWORD *values);
+    UINT (WINAPI *get_size)(enum dxgi_device_layer_id id, struct layer_get_size_args *args, DWORD unknown0);
+    HRESULT (WINAPI *create)(enum dxgi_device_layer_id id, void **layer_base, DWORD unknown0,
+            void *device_object, REFIID riid, void **device_layer);
+};
+
 #endif /* __WINE_DXGI_PRIVATE_H */