diff --git a/dlls/d3d11/d3d11_private.h b/dlls/d3d11/d3d11_private.h
index 1be17021adb..56ba56067bb 100644
--- a/dlls/d3d11/d3d11_private.h
+++ b/dlls/d3d11/d3d11_private.h
@@ -327,9 +327,10 @@ HRESULT d3d_rasterizer_state_init(struct d3d_rasterizer_state *state, struct d3d
         const D3D11_RASTERIZER_DESC *desc) DECLSPEC_HIDDEN;
 struct d3d_rasterizer_state *unsafe_impl_from_ID3D10RasterizerState(ID3D10RasterizerState *iface) DECLSPEC_HIDDEN;
 
-/* ID3D10SamplerState */
+/* ID3D11SamplerState, ID3D10SamplerState */
 struct d3d_sampler_state
 {
+    ID3D11SamplerState ID3D11SamplerState_iface;
     ID3D10SamplerState ID3D10SamplerState_iface;
     LONG refcount;
 
@@ -337,7 +338,7 @@ struct d3d_sampler_state
     struct wined3d_sampler *wined3d_sampler;
     D3D10_SAMPLER_DESC desc;
     struct wine_rb_entry entry;
-    ID3D10Device1 *device;
+    ID3D11Device *device;
 };
 
 HRESULT d3d_sampler_state_init(struct d3d_sampler_state *state, struct d3d_device *device,
diff --git a/dlls/d3d11/state.c b/dlls/d3d11/state.c
index 3b52374dcaf..f98949580ca 100644
--- a/dlls/d3d11/state.c
+++ b/dlls/d3d11/state.c
@@ -867,6 +867,140 @@ struct d3d_rasterizer_state *unsafe_impl_from_ID3D10RasterizerState(ID3D10Raster
     return impl_from_ID3D10RasterizerState(iface);
 }
 
+/* ID3D11SampleState methods */
+
+static inline struct d3d_sampler_state *impl_from_ID3D11SamplerState(ID3D11SamplerState *iface)
+{
+    return CONTAINING_RECORD(iface, struct d3d_sampler_state, ID3D11SamplerState_iface);
+}
+
+static HRESULT STDMETHODCALLTYPE d3d11_sampler_state_QueryInterface(ID3D11SamplerState *iface,
+        REFIID riid, void **object)
+{
+    struct d3d_sampler_state *state = impl_from_ID3D11SamplerState(iface);
+
+    TRACE("iface %p, riid %s, object %p.\n", iface, debugstr_guid(riid), object);
+
+    if (IsEqualGUID(riid, &IID_ID3D11SamplerState)
+            || IsEqualGUID(riid, &IID_ID3D11DeviceChild)
+            || IsEqualGUID(riid, &IID_IUnknown))
+    {
+        ID3D11SamplerState_AddRef(iface);
+        *object = iface;
+        return S_OK;
+    }
+
+    if (IsEqualGUID(riid, &IID_ID3D10SamplerState)
+            || IsEqualGUID(riid, &IID_ID3D10DeviceChild))
+    {
+        ID3D10SamplerState_AddRef(&state->ID3D10SamplerState_iface);
+        *object = &state->ID3D10SamplerState_iface;
+        return S_OK;
+    }
+
+    WARN("%s not implemented, returning E_NOINTERFACE.\n", debugstr_guid(riid));
+
+    *object = NULL;
+    return E_NOINTERFACE;
+}
+
+static ULONG STDMETHODCALLTYPE d3d11_sampler_state_AddRef(ID3D11SamplerState *iface)
+{
+    struct d3d_sampler_state *state = impl_from_ID3D11SamplerState(iface);
+    ULONG refcount = InterlockedIncrement(&state->refcount);
+
+    TRACE("%p increasing refcount to %u.\n", state, refcount);
+
+    return refcount;
+}
+
+static ULONG STDMETHODCALLTYPE d3d11_sampler_state_Release(ID3D11SamplerState *iface)
+{
+    struct d3d_sampler_state *state = impl_from_ID3D11SamplerState(iface);
+    ULONG refcount = InterlockedDecrement(&state->refcount);
+
+    TRACE("%p decreasing refcount to %u.\n", state, refcount);
+
+    if (!refcount)
+    {
+        struct d3d_device *device = impl_from_ID3D11Device(state->device);
+
+        wined3d_mutex_lock();
+        wined3d_sampler_decref(state->wined3d_sampler);
+        wine_rb_remove(&device->sampler_states, &state->desc);
+        ID3D11Device_Release(state->device);
+        wined3d_private_store_cleanup(&state->private_store);
+        wined3d_mutex_unlock();
+        HeapFree(GetProcessHeap(), 0, state);
+    }
+
+    return refcount;
+}
+
+static void STDMETHODCALLTYPE d3d11_sampler_state_GetDevice(ID3D11SamplerState *iface,
+        ID3D11Device **device)
+{
+    struct d3d_sampler_state *state = impl_from_ID3D11SamplerState(iface);
+
+    TRACE("iface %p, device %p.\n", iface, device);
+
+    *device = state->device;
+    ID3D11Device_AddRef(*device);
+}
+
+static HRESULT STDMETHODCALLTYPE d3d11_sampler_state_GetPrivateData(ID3D11SamplerState *iface,
+        REFGUID guid, UINT *data_size, void *data)
+{
+    struct d3d_sampler_state *state = impl_from_ID3D11SamplerState(iface);
+
+    TRACE("iface %p, guid %s, data_size %p, data %p.\n", iface, debugstr_guid(guid), data_size, data);
+
+    return d3d_get_private_data(&state->private_store, guid, data_size, data);
+}
+
+static HRESULT STDMETHODCALLTYPE d3d11_sampler_state_SetPrivateData(ID3D11SamplerState *iface,
+        REFGUID guid, UINT data_size, const void *data)
+{
+    struct d3d_sampler_state *state = impl_from_ID3D11SamplerState(iface);
+
+    TRACE("iface %p, guid %s, data_size %u, data %p.\n", iface, debugstr_guid(guid), data_size, data);
+
+    return d3d_set_private_data(&state->private_store, guid, data_size, data);
+}
+
+static HRESULT STDMETHODCALLTYPE d3d11_sampler_state_SetPrivateDataInterface(ID3D11SamplerState *iface,
+        REFGUID guid, const IUnknown *data)
+{
+    struct d3d_sampler_state *state = impl_from_ID3D11SamplerState(iface);
+
+    TRACE("iface %p, guid %s, data %p.\n", iface, debugstr_guid(guid), data);
+
+    return d3d_set_private_data_interface(&state->private_store, guid, data);
+}
+
+static void STDMETHODCALLTYPE d3d11_sampler_state_GetDesc(ID3D11SamplerState *iface,
+        D3D11_SAMPLER_DESC *desc)
+{
+    FIXME("iface %p, desc %p stub!\n", iface, desc);
+}
+
+static const struct ID3D11SamplerStateVtbl d3d11_sampler_state_vtbl =
+{
+    /* IUnknown methods */
+    d3d11_sampler_state_QueryInterface,
+    d3d11_sampler_state_AddRef,
+    d3d11_sampler_state_Release,
+    /* ID3D11DeviceChild methods */
+    d3d11_sampler_state_GetDevice,
+    d3d11_sampler_state_GetPrivateData,
+    d3d11_sampler_state_SetPrivateData,
+    d3d11_sampler_state_SetPrivateDataInterface,
+    /* ID3D11SamplerState methods */
+    d3d11_sampler_state_GetDesc,
+};
+
+/* ID3D10SamplerState methods */
+
 static inline struct d3d_sampler_state *impl_from_ID3D10SamplerState(ID3D10SamplerState *iface)
 {
     return CONTAINING_RECORD(iface, struct d3d_sampler_state, ID3D10SamplerState_iface);
@@ -877,54 +1011,29 @@ static inline struct d3d_sampler_state *impl_from_ID3D10SamplerState(ID3D10Sampl
 static HRESULT STDMETHODCALLTYPE d3d10_sampler_state_QueryInterface(ID3D10SamplerState *iface,
         REFIID riid, void **object)
 {
+    struct d3d_sampler_state *state = impl_from_ID3D10SamplerState(iface);
+
     TRACE("iface %p, riid %s, object %p.\n", iface, debugstr_guid(riid), object);
 
-    if (IsEqualGUID(riid, &IID_ID3D10SamplerState)
-            || IsEqualGUID(riid, &IID_ID3D10DeviceChild)
-            || IsEqualGUID(riid, &IID_IUnknown))
-    {
-        IUnknown_AddRef(iface);
-        *object = iface;
-        return S_OK;
-    }
-
-    WARN("%s not implemented, returning E_NOINTERFACE.\n", debugstr_guid(riid));
-
-    *object = NULL;
-    return E_NOINTERFACE;
+    return d3d11_sampler_state_QueryInterface(&state->ID3D11SamplerState_iface, riid, object);
 }
 
 static ULONG STDMETHODCALLTYPE d3d10_sampler_state_AddRef(ID3D10SamplerState *iface)
 {
-    struct d3d_sampler_state *This = impl_from_ID3D10SamplerState(iface);
-    ULONG refcount = InterlockedIncrement(&This->refcount);
+    struct d3d_sampler_state *state = impl_from_ID3D10SamplerState(iface);
 
-    TRACE("%p increasing refcount to %u.\n", This, refcount);
+    TRACE("iface %p.\n", iface);
 
-    return refcount;
+    return d3d11_sampler_state_AddRef(&state->ID3D11SamplerState_iface);
 }
 
 static ULONG STDMETHODCALLTYPE d3d10_sampler_state_Release(ID3D10SamplerState *iface)
 {
     struct d3d_sampler_state *state = impl_from_ID3D10SamplerState(iface);
-    ULONG refcount = InterlockedDecrement(&state->refcount);
 
-    TRACE("%p decreasing refcount to %u.\n", state, refcount);
+    TRACE("iface %p.\n", iface);
 
-    if (!refcount)
-    {
-        struct d3d_device *device = impl_from_ID3D10Device(state->device);
-
-        wined3d_mutex_lock();
-        wined3d_sampler_decref(state->wined3d_sampler);
-        wine_rb_remove(&device->sampler_states, &state->desc);
-        ID3D10Device1_Release(state->device);
-        wined3d_private_store_cleanup(&state->private_store);
-        wined3d_mutex_unlock();
-        HeapFree(GetProcessHeap(), 0, state);
-    }
-
-    return refcount;
+    return d3d11_sampler_state_Release(&state->ID3D11SamplerState_iface);
 }
 
 /* ID3D10DeviceChild methods */
@@ -935,8 +1044,7 @@ static void STDMETHODCALLTYPE d3d10_sampler_state_GetDevice(ID3D10SamplerState *
 
     TRACE("iface %p, device %p.\n", iface, device);
 
-    *device = (ID3D10Device *)state->device;
-    ID3D10Device_AddRef(*device);
+    ID3D11Device_QueryInterface(state->device, &IID_ID3D10Device, (void **)device);
 }
 
 static HRESULT STDMETHODCALLTYPE d3d10_sampler_state_GetPrivateData(ID3D10SamplerState *iface,
@@ -1040,6 +1148,7 @@ HRESULT d3d_sampler_state_init(struct d3d_sampler_state *state, struct d3d_devic
     struct wined3d_sampler_desc wined3d_desc;
     HRESULT hr;
 
+    state->ID3D11SamplerState_iface.lpVtbl = &d3d11_sampler_state_vtbl;
     state->ID3D10SamplerState_iface.lpVtbl = &d3d10_sampler_state_vtbl;
     state->refcount = 1;
     wined3d_mutex_lock();
@@ -1079,8 +1188,8 @@ HRESULT d3d_sampler_state_init(struct d3d_sampler_state *state, struct d3d_devic
     }
     wined3d_mutex_unlock();
 
-    state->device = &device->ID3D10Device1_iface;
-    ID3D10Device1_AddRef(state->device);
+    state->device = &device->ID3D11Device_iface;
+    ID3D11Device_AddRef(state->device);
 
     return S_OK;
 }