diff --git a/dlls/d3d10core/device.c b/dlls/d3d10core/device.c
index d092692494c..8fbd8c668a4 100644
--- a/dlls/d3d10core/device.c
+++ b/dlls/d3d10core/device.c
@@ -1320,7 +1320,7 @@ static void STDMETHODCALLTYPE device_parent_WineD3DDeviceCreated(IWineD3DDeviceP
 }
 
 static HRESULT STDMETHODCALLTYPE device_parent_CreateSurface(IWineD3DDeviceParent *iface,
-        IUnknown *superior, UINT width, UINT height, enum wined3d_format_id format, DWORD usage,
+        void *container_parent, UINT width, UINT height, enum wined3d_format_id format, DWORD usage,
         WINED3DPOOL pool, UINT level, WINED3DCUBEMAP_FACES face, IWineD3DSurface **surface)
 {
     struct d3d10_device *This = device_from_device_parent(iface);
@@ -1328,9 +1328,9 @@ static HRESULT STDMETHODCALLTYPE device_parent_CreateSurface(IWineD3DDeviceParen
     D3D10_TEXTURE2D_DESC desc;
     HRESULT hr;
 
-    FIXME("iface %p, superior %p, width %u, height %u, format %#x, usage %#x,\n"
+    FIXME("iface %p, container_parent %p, width %u, height %u, format %#x, usage %#x,\n"
             "\tpool %#x, level %u, face %u, surface %p partial stub!\n",
-            iface, superior, width, height, format, usage, pool, level, face, surface);
+            iface, container_parent, width, height, format, usage, pool, level, face, surface);
 
     FIXME("Implement DXGI<->wined3d usage conversion\n");
 
@@ -1361,7 +1361,7 @@ static HRESULT STDMETHODCALLTYPE device_parent_CreateSurface(IWineD3DDeviceParen
 }
 
 static HRESULT STDMETHODCALLTYPE device_parent_CreateRenderTarget(IWineD3DDeviceParent *iface,
-        IUnknown *superior, UINT width, UINT height, enum wined3d_format_id format,
+        void *container_parent, UINT width, UINT height, enum wined3d_format_id format,
         WINED3DMULTISAMPLE_TYPE multisample_type, DWORD multisample_quality, BOOL lockable,
         IWineD3DSurface **surface)
 {
@@ -1370,9 +1370,9 @@ static HRESULT STDMETHODCALLTYPE device_parent_CreateRenderTarget(IWineD3DDevice
     D3D10_TEXTURE2D_DESC desc;
     HRESULT hr;
 
-    FIXME("iface %p, superior %p, width %u, height %u, format %#x, multisample_type %#x,\n"
+    FIXME("iface %p, container_parent %p, width %u, height %u, format %#x, multisample_type %#x,\n"
             "\tmultisample_quality %u, lockable %u, surface %p partial stub!\n",
-            iface, superior, width, height, format, multisample_type, multisample_quality, lockable, surface);
+            iface, container_parent, width, height, format, multisample_type, multisample_quality, lockable, surface);
 
     FIXME("Implement DXGI<->wined3d usage conversion\n");
 
@@ -1444,13 +1444,13 @@ static HRESULT STDMETHODCALLTYPE device_parent_CreateDepthStencilSurface(IWineD3
 }
 
 static HRESULT STDMETHODCALLTYPE device_parent_CreateVolume(IWineD3DDeviceParent *iface,
-        IUnknown *superior, UINT width, UINT height, UINT depth, enum wined3d_format_id format,
+        void *container_parent, UINT width, UINT height, UINT depth, enum wined3d_format_id format,
         WINED3DPOOL pool, DWORD usage, IWineD3DVolume **volume)
 {
     HRESULT hr;
 
-    TRACE("iface %p, superior %p, width %u, height %u, depth %u, format %#x, pool %#x, usage %#x, volume %p.\n",
-            iface, superior, width, height, depth, format, pool, usage, volume);
+    TRACE("iface %p, container_parent %p, width %u, height %u, depth %u, format %#x, pool %#x, usage %#x, volume %p.\n",
+            iface, container_parent, width, height, depth, format, pool, usage, volume);
 
     hr = IWineD3DDevice_CreateVolume(device_from_device_parent(iface)->wined3d_device,
             width, height, depth, usage, format, pool, NULL, &d3d10_subresource_parent_ops, volume);
diff --git a/dlls/d3d8/device.c b/dlls/d3d8/device.c
index 8eadd1596fc..b034b6a0d0c 100644
--- a/dlls/d3d8/device.c
+++ b/dlls/d3d8/device.c
@@ -2745,7 +2745,7 @@ static void STDMETHODCALLTYPE device_parent_WineD3DDeviceCreated(IWineD3DDeviceP
 }
 
 static HRESULT STDMETHODCALLTYPE device_parent_CreateSurface(IWineD3DDeviceParent *iface,
-        IUnknown *superior, UINT width, UINT height, enum wined3d_format_id format, DWORD usage,
+        void *container_parent, UINT width, UINT height, enum wined3d_format_id format, DWORD usage,
         WINED3DPOOL pool, UINT level, WINED3DCUBEMAP_FACES face, IWineD3DSurface **surface)
 {
     IDirect3DDevice8Impl *This = impl_from_IWineD3DDeviceParent(iface);
@@ -2753,9 +2753,9 @@ static HRESULT STDMETHODCALLTYPE device_parent_CreateSurface(IWineD3DDeviceParen
     BOOL lockable = TRUE;
     HRESULT hr;
 
-    TRACE("iface %p, superior %p, width %u, height %u, format %#x, usage %#x,\n"
+    TRACE("iface %p, container_parent %p, width %u, height %u, format %#x, usage %#x,\n"
             "\tpool %#x, level %u, face %u, surface %p\n",
-            iface, superior, width, height, format, usage, pool, level, face, surface);
+            iface, container_parent, width, height, format, usage, pool, level, face, surface);
 
 
     if (pool == WINED3DPOOL_DEFAULT && !(usage & WINED3DUSAGE_DYNAMIC)) lockable = FALSE;
@@ -2772,18 +2772,18 @@ static HRESULT STDMETHODCALLTYPE device_parent_CreateSurface(IWineD3DDeviceParen
     *surface = d3d_surface->wineD3DSurface;
     IWineD3DSurface_AddRef(*surface);
 
-    d3d_surface->container = superior;
+    d3d_surface->container = container_parent;
     IUnknown_Release(d3d_surface->parentDevice);
     d3d_surface->parentDevice = NULL;
 
     IDirect3DSurface8_Release((IDirect3DSurface8 *)d3d_surface);
-    d3d_surface->forwardReference = superior;
+    d3d_surface->forwardReference = container_parent;
 
     return hr;
 }
 
 static HRESULT STDMETHODCALLTYPE device_parent_CreateRenderTarget(IWineD3DDeviceParent *iface,
-        IUnknown *superior, UINT width, UINT height, enum wined3d_format_id format,
+        void *container_parent, UINT width, UINT height, enum wined3d_format_id format,
         WINED3DMULTISAMPLE_TYPE multisample_type, DWORD multisample_quality, BOOL lockable,
         IWineD3DSurface **surface)
 {
@@ -2791,9 +2791,9 @@ static HRESULT STDMETHODCALLTYPE device_parent_CreateRenderTarget(IWineD3DDevice
     IDirect3DSurface8Impl *d3d_surface;
     HRESULT hr;
 
-    TRACE("iface %p, superior %p, width %u, height %u, format %#x, multisample_type %#x,\n"
+    TRACE("iface %p, container_parent %p, width %u, height %u, format %#x, multisample_type %#x,\n"
             "\tmultisample_quality %u, lockable %u, surface %p\n",
-            iface, superior, width, height, format, multisample_type, multisample_quality, lockable, surface);
+            iface, container_parent, width, height, format, multisample_type, multisample_quality, lockable, surface);
 
     hr = IDirect3DDevice8_CreateRenderTarget(&This->IDirect3DDevice8_iface, width, height,
             d3dformat_from_wined3dformat(format), multisample_type, lockable, (IDirect3DSurface8 **)&d3d_surface);
@@ -2844,15 +2844,15 @@ static HRESULT STDMETHODCALLTYPE device_parent_CreateDepthStencilSurface(IWineD3
 }
 
 static HRESULT STDMETHODCALLTYPE device_parent_CreateVolume(IWineD3DDeviceParent *iface,
-        IUnknown *superior, UINT width, UINT height, UINT depth, enum wined3d_format_id format,
+        void *container_parent, UINT width, UINT height, UINT depth, enum wined3d_format_id format,
         WINED3DPOOL pool, DWORD usage, IWineD3DVolume **volume)
 {
     IDirect3DDevice8Impl *This = impl_from_IWineD3DDeviceParent(iface);
     IDirect3DVolume8Impl *object;
     HRESULT hr;
 
-    TRACE("iface %p, superior %p, width %u, height %u, depth %u, format %#x, pool %#x, usage %#x, volume %p\n",
-            iface, superior, width, height, depth, format, pool, usage, volume);
+    TRACE("iface %p, container_parent %p, width %u, height %u, depth %u, format %#x, pool %#x, usage %#x, volume %p\n",
+            iface, container_parent, width, height, depth, format, pool, usage, volume);
 
     /* Allocate the storage for the device */
     object = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*object));
@@ -2875,8 +2875,8 @@ static HRESULT STDMETHODCALLTYPE device_parent_CreateVolume(IWineD3DDeviceParent
     IWineD3DVolume_AddRef(*volume);
     IDirect3DVolume8_Release(&object->IDirect3DVolume8_iface);
 
-    object->container = superior;
-    object->forwardReference = superior;
+    object->container = container_parent;
+    object->forwardReference = container_parent;
 
     TRACE("(%p) Created volume %p\n", iface, object);
 
diff --git a/dlls/d3d9/device.c b/dlls/d3d9/device.c
index 1ae22815da8..5236e74bd9f 100644
--- a/dlls/d3d9/device.c
+++ b/dlls/d3d9/device.c
@@ -3029,7 +3029,7 @@ static void STDMETHODCALLTYPE device_parent_WineD3DDeviceCreated(IWineD3DDeviceP
 }
 
 static HRESULT STDMETHODCALLTYPE device_parent_CreateSurface(IWineD3DDeviceParent *iface,
-        IUnknown *superior, UINT width, UINT height, enum wined3d_format_id format, DWORD usage,
+        void *container_parent, UINT width, UINT height, enum wined3d_format_id format, DWORD usage,
         WINED3DPOOL pool, UINT level, WINED3DCUBEMAP_FACES face, IWineD3DSurface **surface)
 {
     struct IDirect3DDevice9Impl *This = device_from_device_parent(iface);
@@ -3037,9 +3037,9 @@ static HRESULT STDMETHODCALLTYPE device_parent_CreateSurface(IWineD3DDeviceParen
     BOOL lockable = TRUE;
     HRESULT hr;
 
-    TRACE("iface %p, superior %p, width %u, height %u, format %#x, usage %#x,\n"
+    TRACE("iface %p, container_parent %p, width %u, height %u, format %#x, usage %#x,\n"
             "\tpool %#x, level %u, face %u, surface %p\n",
-            iface, superior, width, height, format, usage, pool, level, face, surface);
+            iface, container_parent, width, height, format, usage, pool, level, face, surface);
 
     if (pool == WINED3DPOOL_DEFAULT && !(usage & D3DUSAGE_DYNAMIC))
         lockable = FALSE;
@@ -3056,18 +3056,18 @@ static HRESULT STDMETHODCALLTYPE device_parent_CreateSurface(IWineD3DDeviceParen
     *surface = d3d_surface->wineD3DSurface;
     IWineD3DSurface_AddRef(*surface);
 
-    d3d_surface->container = superior;
+    d3d_surface->container = container_parent;
     IDirect3DDevice9Ex_Release(d3d_surface->parentDevice);
     d3d_surface->parentDevice = NULL;
 
     IDirect3DSurface9_Release((IDirect3DSurface9 *)d3d_surface);
-    d3d_surface->forwardReference = superior;
+    d3d_surface->forwardReference = container_parent;
 
     return hr;
 }
 
 static HRESULT STDMETHODCALLTYPE device_parent_CreateRenderTarget(IWineD3DDeviceParent *iface,
-        IUnknown *superior, UINT width, UINT height, enum wined3d_format_id format,
+        void *container_parent, UINT width, UINT height, enum wined3d_format_id format,
         WINED3DMULTISAMPLE_TYPE multisample_type, DWORD multisample_quality, BOOL lockable,
         IWineD3DSurface **surface)
 {
@@ -3075,9 +3075,9 @@ static HRESULT STDMETHODCALLTYPE device_parent_CreateRenderTarget(IWineD3DDevice
     IDirect3DSurface9Impl *d3d_surface;
     HRESULT hr;
 
-    TRACE("iface %p, superior %p, width %u, height %u, format %#x, multisample_type %#x,\n"
+    TRACE("iface %p, container_parent %p, width %u, height %u, format %#x, multisample_type %#x,\n"
             "\tmultisample_quality %u, lockable %u, surface %p\n",
-            iface, superior, width, height, format, multisample_type, multisample_quality, lockable, surface);
+            iface, container_parent, width, height, format, multisample_type, multisample_quality, lockable, surface);
 
     hr = IDirect3DDevice9Impl_CreateRenderTarget((IDirect3DDevice9Ex *)This, width, height,
             d3dformat_from_wined3dformat(format), multisample_type, multisample_quality, lockable,
@@ -3091,7 +3091,7 @@ static HRESULT STDMETHODCALLTYPE device_parent_CreateRenderTarget(IWineD3DDevice
     *surface = d3d_surface->wineD3DSurface;
     IWineD3DSurface_AddRef(*surface);
 
-    d3d_surface->container = superior;
+    d3d_surface->container = container_parent;
     /* Implicit surfaces are created with an refcount of 0 */
     IDirect3DSurface9_Release((IDirect3DSurface9 *)d3d_surface);
 
@@ -3129,15 +3129,15 @@ static HRESULT STDMETHODCALLTYPE device_parent_CreateDepthStencilSurface(IWineD3
 }
 
 static HRESULT STDMETHODCALLTYPE device_parent_CreateVolume(IWineD3DDeviceParent *iface,
-        IUnknown *superior, UINT width, UINT height, UINT depth, enum wined3d_format_id format,
+        void *container_parent, UINT width, UINT height, UINT depth, enum wined3d_format_id format,
         WINED3DPOOL pool, DWORD usage, IWineD3DVolume **volume)
 {
     struct IDirect3DDevice9Impl *This = device_from_device_parent(iface);
     IDirect3DVolume9Impl *object;
     HRESULT hr;
 
-    TRACE("iface %p, superior %p, width %u, height %u, depth %u, format %#x, pool %#x, usage %#x, volume %p\n",
-            iface, superior, width, height, depth, format, pool, usage, volume);
+    TRACE("iface %p, container_parent %p, width %u, height %u, depth %u, format %#x, pool %#x, usage %#x, volume %p\n",
+            iface, container_parent, width, height, depth, format, pool, usage, volume);
 
     /* Allocate the storage for the device */
     object = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*object));
@@ -3160,8 +3160,8 @@ static HRESULT STDMETHODCALLTYPE device_parent_CreateVolume(IWineD3DDeviceParent
     IWineD3DVolume_AddRef(*volume);
     IDirect3DVolume9_Release((IDirect3DVolume9 *)object);
 
-    object->container = superior;
-    object->forwardReference = superior;
+    object->container = container_parent;
+    object->forwardReference = container_parent;
 
     TRACE("(%p) Created volume %p\n", iface, object);
 
diff --git a/dlls/ddraw/ddraw.c b/dlls/ddraw/ddraw.c
index e96a379aeba..e1d5c622a60 100644
--- a/dlls/ddraw/ddraw.c
+++ b/dlls/ddraw/ddraw.c
@@ -5724,7 +5724,7 @@ static void STDMETHODCALLTYPE device_parent_WineD3DDeviceCreated(IWineD3DDeviceP
 }
 
 static HRESULT STDMETHODCALLTYPE device_parent_CreateSurface(IWineD3DDeviceParent *iface,
-        IUnknown *superior, UINT width, UINT height, enum wined3d_format_id format, DWORD usage,
+        void *container_parent, UINT width, UINT height, enum wined3d_format_id format, DWORD usage,
         WINED3DPOOL pool, UINT level, WINED3DCUBEMAP_FACES face, IWineD3DSurface **surface)
 {
     struct IDirectDrawImpl *This = ddraw_from_device_parent(iface);
@@ -5732,9 +5732,9 @@ static HRESULT STDMETHODCALLTYPE device_parent_CreateSurface(IWineD3DDeviceParen
     UINT i = 0;
     DDSCAPS2 searchcaps = This->tex_root->surface_desc.ddsCaps;
 
-    TRACE("iface %p, superior %p, width %u, height %u, format %#x, usage %#x,\n"
+    TRACE("iface %p, container_parent %p, width %u, height %u, format %#x, usage %#x,\n"
             "\tpool %#x, level %u, face %u, surface %p\n",
-            iface, superior, width, height, format, usage, pool, level, face, surface);
+            iface, container_parent, width, height, format, usage, pool, level, face, surface);
 
     searchcaps.dwCaps2 &= ~DDSCAPS2_CUBEMAP_ALLFACES;
     switch(face)
@@ -5815,7 +5815,7 @@ static HRESULT WINAPI findRenderTarget(IDirectDrawSurface7 *surface, DDSURFACEDE
 }
 
 static HRESULT STDMETHODCALLTYPE device_parent_CreateRenderTarget(IWineD3DDeviceParent *iface,
-        IUnknown *superior, UINT width, UINT height, enum wined3d_format_id format,
+        void *container_parent, UINT width, UINT height, enum wined3d_format_id format,
         WINED3DMULTISAMPLE_TYPE multisample_type, DWORD multisample_quality, BOOL lockable,
         IWineD3DSurface **surface)
 {
@@ -5823,9 +5823,9 @@ static HRESULT STDMETHODCALLTYPE device_parent_CreateRenderTarget(IWineD3DDevice
     IDirectDrawSurfaceImpl *d3d_surface = This->d3d_target;
     IDirectDrawSurfaceImpl *target = NULL;
 
-    TRACE("iface %p, superior %p, width %u, height %u, format %#x, multisample_type %#x,\n"
+    TRACE("iface %p, container_parent %p, width %u, height %u, format %#x, multisample_type %#x,\n"
             "\tmultisample_quality %u, lockable %u, surface %p\n",
-            iface, superior, width, height, format, multisample_type, multisample_quality, lockable, surface);
+            iface, container_parent, width, height, format, multisample_type, multisample_quality, lockable, surface);
 
     if (d3d_surface->isRenderTarget)
     {
@@ -5903,11 +5903,11 @@ static HRESULT STDMETHODCALLTYPE device_parent_CreateDepthStencilSurface(IWineD3
 }
 
 static HRESULT STDMETHODCALLTYPE device_parent_CreateVolume(IWineD3DDeviceParent *iface,
-        IUnknown *superior, UINT width, UINT height, UINT depth, enum wined3d_format_id format,
+        void *container_parent, UINT width, UINT height, UINT depth, enum wined3d_format_id format,
         WINED3DPOOL pool, DWORD usage, IWineD3DVolume **volume)
 {
-    TRACE("iface %p, superior %p, width %u, height %u, depth %u, format %#x, pool %#x, usage %#x, volume %p\n",
-                iface, superior, width, height, depth, format, pool, usage, volume);
+    TRACE("iface %p, container_parent %p, width %u, height %u, depth %u, format %#x, pool %#x, usage %#x, volume %p\n",
+                iface, container_parent, width, height, depth, format, pool, usage, volume);
 
     ERR("Not implemented!\n");
 
diff --git a/include/wine/wined3d.idl b/include/wine/wined3d.idl
index 9d3952c7006..bfd1a520917 100644
--- a/include/wine/wined3d.idl
+++ b/include/wine/wined3d.idl
@@ -2130,7 +2130,7 @@ interface IWineD3DDeviceParent : IUnknown
     );
 
     HRESULT CreateSurface(
-        [in] IUnknown *superior,
+        [in] void *container_parent,
         [in] UINT width,
         [in] UINT height,
         [in] enum wined3d_format_id format_id,
@@ -2142,7 +2142,7 @@ interface IWineD3DDeviceParent : IUnknown
     );
 
     HRESULT CreateRenderTarget(
-        [in] IUnknown *superior,
+        [in] void *container_parent,
         [in] UINT width,
         [in] UINT height,
         [in] enum wined3d_format_id format_id,
@@ -2163,7 +2163,7 @@ interface IWineD3DDeviceParent : IUnknown
     );
 
     HRESULT CreateVolume(
-        [in] IUnknown *superior,
+        [in] void *container_parent,
         [in] UINT width,
         [in] UINT height,
         [in] UINT depth,