diff --git a/dlls/dxgi/Makefile.in b/dlls/dxgi/Makefile.in
index 3a489947728..e304884d0e7 100644
--- a/dlls/dxgi/Makefile.in
+++ b/dlls/dxgi/Makefile.in
@@ -7,6 +7,7 @@ IMPORTLIB = dxgi
 IMPORTS   = dxguid uuid kernel32
 
 C_SRCS = \
+	adapter.c \
 	device.c \
 	dxgi_main.c \
 	factory.c \
diff --git a/dlls/dxgi/adapter.c b/dlls/dxgi/adapter.c
new file mode 100644
index 00000000000..1d6169f0d77
--- /dev/null
+++ b/dlls/dxgi/adapter.c
@@ -0,0 +1,145 @@
+/*
+ * Copyright 2008 Henri Verbeet for CodeWeavers
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+ *
+ */
+
+#include "config.h"
+#include "wine/port.h"
+
+#include "dxgi_private.h"
+
+WINE_DEFAULT_DEBUG_CHANNEL(dxgi);
+
+/* IUnknown methods */
+
+static HRESULT STDMETHODCALLTYPE dxgi_adapter_QueryInterface(IDXGIAdapter *iface, REFIID riid, void **object)
+{
+    TRACE("iface %p, riid %s, object %p\n", iface, debugstr_guid(riid), object);
+
+    if (IsEqualGUID(riid, &IID_IUnknown)
+            || IsEqualGUID(riid, &IID_IDXGIObject)
+            || IsEqualGUID(riid, &IID_IDXGIAdapter))
+    {
+        IUnknown_AddRef(iface);
+        *object = iface;
+        return S_OK;
+    }
+
+    WARN("%s not implemented, returning E_NOINTERFACE\n", debugstr_guid(riid));
+
+    *object = NULL;
+    return E_NOINTERFACE;
+}
+
+static ULONG STDMETHODCALLTYPE dxgi_adapter_AddRef(IDXGIAdapter *iface)
+{
+    struct dxgi_adapter *This = (struct dxgi_adapter *)iface;
+    ULONG refcount = InterlockedIncrement(&This->refcount);
+
+    TRACE("%p increasing refcount to %u\n", This, refcount);
+
+    return refcount;
+}
+
+static ULONG STDMETHODCALLTYPE dxgi_adapter_Release(IDXGIAdapter *iface)
+{
+    struct dxgi_adapter *This = (struct dxgi_adapter *)iface;
+    ULONG refcount = InterlockedDecrement(&This->refcount);
+
+    TRACE("%p decreasing refcount to %u\n", This, refcount);
+
+    if (!refcount)
+    {
+        HeapFree(GetProcessHeap(), 0, This);
+    }
+
+    return refcount;
+}
+
+/* IDXGIObject methods */
+
+static HRESULT STDMETHODCALLTYPE dxgi_adapter_SetPrivateData(IDXGIAdapter *iface,
+        REFGUID guid, UINT data_size, const void *data)
+{
+    FIXME("iface %p, guid %s, data_size %u, data %p stub!\n", iface, debugstr_guid(guid), data_size, data);
+
+    return E_NOTIMPL;
+}
+
+static HRESULT STDMETHODCALLTYPE dxgi_adapter_SetPrivateDataInterface(IDXGIAdapter *iface,
+        REFGUID guid, const IUnknown *object)
+{
+    FIXME("iface %p, guid %s, object %p stub!\n", iface, debugstr_guid(guid), object);
+
+    return E_NOTIMPL;
+}
+
+static HRESULT STDMETHODCALLTYPE dxgi_adapter_GetPrivateData(IDXGIAdapter *iface,
+        REFGUID guid, UINT *data_size, void *data)
+{
+    FIXME("iface %p, guid %s, data_size %p, data %p stub!\n", iface, debugstr_guid(guid), data_size, data);
+
+    return E_NOTIMPL;
+}
+
+static HRESULT STDMETHODCALLTYPE dxgi_adapter_GetParent(IDXGIAdapter *iface, REFIID riid, void **parent)
+{
+    FIXME("iface %p, riid %s, parent %p stub!\n", iface, debugstr_guid(riid), parent);
+
+    return E_NOTIMPL;
+}
+
+/* IDXGIAdapter methods */
+
+static HRESULT STDMETHODCALLTYPE dxgi_adapter_EnumOutputs(IDXGIAdapter *iface, UINT output_idx, IDXGIOutput **output)
+{
+    FIXME("iface %p, output_idx %u, output %p stub!\n", iface, output_idx, output);
+
+    return E_NOTIMPL;
+}
+
+static HRESULT STDMETHODCALLTYPE dxgi_adapter_GetDesc(IDXGIAdapter *iface, DXGI_ADAPTER_DESC *desc)
+{
+    FIXME("iface %p, desc %p stub!\n", iface, desc);
+
+    return E_NOTIMPL;
+}
+
+static HRESULT STDMETHODCALLTYPE dxgi_adapter_CheckInterfaceSupport(IDXGIAdapter *iface,
+        REFGUID guid, LARGE_INTEGER *umd_version)
+{
+    FIXME("iface %p, guid %s, umd_version %p stub!\n", iface, debugstr_guid(guid), umd_version);
+
+    return E_NOTIMPL;
+}
+
+const struct IDXGIAdapterVtbl dxgi_adapter_vtbl =
+{
+    /* IUnknown methods */
+    dxgi_adapter_QueryInterface,
+    dxgi_adapter_AddRef,
+    dxgi_adapter_Release,
+    /* IDXGIObject methods */
+    dxgi_adapter_SetPrivateData,
+    dxgi_adapter_SetPrivateDataInterface,
+    dxgi_adapter_GetPrivateData,
+    dxgi_adapter_GetParent,
+    /* IDXGIAdapter methods */
+    dxgi_adapter_EnumOutputs,
+    dxgi_adapter_GetDesc,
+    dxgi_adapter_CheckInterfaceSupport,
+};
diff --git a/dlls/dxgi/dxgi_private.h b/dlls/dxgi/dxgi_private.h
index 110c9c08005..5493ed3db7d 100644
--- a/dlls/dxgi/dxgi_private.h
+++ b/dlls/dxgi/dxgi_private.h
@@ -47,4 +47,12 @@ struct dxgi_device
     LONG refcount;
 };
 
+/* IDXGIAdapter */
+extern const struct IDXGIAdapterVtbl dxgi_adapter_vtbl;
+struct dxgi_adapter
+{
+    const struct IDXGIAdapterVtbl *vtbl;
+    LONG refcount;
+};
+
 #endif /* __WINE_DXGI_PRIVATE_H */