diff --git a/dlls/wined3d/buffer.c b/dlls/wined3d/buffer.c
index b80eac65db..bc94a5ad2b 100644
--- a/dlls/wined3d/buffer.c
+++ b/dlls/wined3d/buffer.c
@@ -780,7 +780,7 @@ static HRESULT STDMETHODCALLTYPE buffer_FreePrivateData(IWineD3DBuffer *iface, R
 
 static DWORD STDMETHODCALLTYPE buffer_SetPriority(IWineD3DBuffer *iface, DWORD priority)
 {
-    return resource_set_priority((IWineD3DResource *)iface, priority);
+    return resource_set_priority((IWineD3DResourceImpl *)iface, priority);
 }
 
 static DWORD STDMETHODCALLTYPE buffer_GetPriority(IWineD3DBuffer *iface)
diff --git a/dlls/wined3d/cubetexture.c b/dlls/wined3d/cubetexture.c
index ef142a2ea9..40784bac4a 100644
--- a/dlls/wined3d/cubetexture.c
+++ b/dlls/wined3d/cubetexture.c
@@ -229,8 +229,9 @@ static HRESULT WINAPI IWineD3DCubeTextureImpl_FreePrivateData(IWineD3DCubeTextur
     return resource_free_private_data((IWineD3DResourceImpl *)iface, refguid);
 }
 
-static DWORD WINAPI IWineD3DCubeTextureImpl_SetPriority(IWineD3DCubeTexture *iface, DWORD PriorityNew) {
-    return resource_set_priority((IWineD3DResource *)iface, PriorityNew);
+static DWORD WINAPI IWineD3DCubeTextureImpl_SetPriority(IWineD3DCubeTexture *iface, DWORD priority)
+{
+    return resource_set_priority((IWineD3DResourceImpl *)iface, priority);
 }
 
 static DWORD WINAPI IWineD3DCubeTextureImpl_GetPriority(IWineD3DCubeTexture *iface)
diff --git a/dlls/wined3d/resource.c b/dlls/wined3d/resource.c
index 3d62de9eaf..f33ee37851 100644
--- a/dlls/wined3d/resource.c
+++ b/dlls/wined3d/resource.c
@@ -250,13 +250,12 @@ HRESULT resource_free_private_data(struct IWineD3DResourceImpl *resource, REFGUI
     return WINED3D_OK;
 }
 
-DWORD resource_set_priority(IWineD3DResource *iface, DWORD PriorityNew)
+DWORD resource_set_priority(struct IWineD3DResourceImpl *resource, DWORD priority)
 {
-    IWineD3DResourceImpl *This = (IWineD3DResourceImpl *)iface;
-    DWORD PriorityOld = This->resource.priority;
-    This->resource.priority = PriorityNew;
-    TRACE("(%p) : new priority %d, returning old priority %d\n", This, PriorityNew, PriorityOld );
-    return PriorityOld;
+    DWORD prev = resource->resource.priority;
+    resource->resource.priority = priority;
+    TRACE("resource %p, new priority %u, returning old priority %u.\n", resource, priority, prev);
+    return prev;
 }
 
 DWORD resource_get_priority(struct IWineD3DResourceImpl *resource)
diff --git a/dlls/wined3d/surface_base.c b/dlls/wined3d/surface_base.c
index 8035076bbe..1ce099cd7d 100644
--- a/dlls/wined3d/surface_base.c
+++ b/dlls/wined3d/surface_base.c
@@ -128,8 +128,9 @@ HRESULT WINAPI IWineD3DBaseSurfaceImpl_FreePrivateData(IWineD3DSurface *iface, R
     return resource_free_private_data((IWineD3DResourceImpl *)iface, refguid);
 }
 
-DWORD   WINAPI IWineD3DBaseSurfaceImpl_SetPriority(IWineD3DSurface *iface, DWORD PriorityNew) {
-    return resource_set_priority((IWineD3DResource *)iface, PriorityNew);
+DWORD WINAPI IWineD3DBaseSurfaceImpl_SetPriority(IWineD3DSurface *iface, DWORD priority)
+{
+    return resource_set_priority((IWineD3DResourceImpl *)iface, priority);
 }
 
 DWORD WINAPI IWineD3DBaseSurfaceImpl_GetPriority(IWineD3DSurface *iface)
diff --git a/dlls/wined3d/texture.c b/dlls/wined3d/texture.c
index 821db956e6..8b42d17e8d 100644
--- a/dlls/wined3d/texture.c
+++ b/dlls/wined3d/texture.c
@@ -254,8 +254,9 @@ static HRESULT WINAPI IWineD3DTextureImpl_FreePrivateData(IWineD3DTexture *iface
     return resource_free_private_data((IWineD3DResourceImpl *)iface, refguid);
 }
 
-static DWORD WINAPI IWineD3DTextureImpl_SetPriority(IWineD3DTexture *iface, DWORD PriorityNew) {
-    return resource_set_priority((IWineD3DResource *)iface, PriorityNew);
+static DWORD WINAPI IWineD3DTextureImpl_SetPriority(IWineD3DTexture *iface, DWORD priority)
+{
+    return resource_set_priority((IWineD3DResourceImpl *)iface, priority);
 }
 
 static DWORD WINAPI IWineD3DTextureImpl_GetPriority(IWineD3DTexture *iface)
diff --git a/dlls/wined3d/volume.c b/dlls/wined3d/volume.c
index f74a577ae9..b6def080fe 100644
--- a/dlls/wined3d/volume.c
+++ b/dlls/wined3d/volume.c
@@ -167,8 +167,9 @@ static HRESULT WINAPI IWineD3DVolumeImpl_FreePrivateData(IWineD3DVolume *iface,
     return resource_free_private_data((IWineD3DResourceImpl *)iface, refguid);
 }
 
-static DWORD WINAPI IWineD3DVolumeImpl_SetPriority(IWineD3DVolume *iface, DWORD PriorityNew) {
-    return resource_set_priority((IWineD3DResource *)iface, PriorityNew);
+static DWORD WINAPI IWineD3DVolumeImpl_SetPriority(IWineD3DVolume *iface, DWORD priority)
+{
+    return resource_set_priority((IWineD3DResourceImpl *)iface, priority);
 }
 
 static DWORD WINAPI IWineD3DVolumeImpl_GetPriority(IWineD3DVolume *iface)
diff --git a/dlls/wined3d/volumetexture.c b/dlls/wined3d/volumetexture.c
index 5807d3fd6f..9a4fd40ff9 100644
--- a/dlls/wined3d/volumetexture.c
+++ b/dlls/wined3d/volumetexture.c
@@ -174,8 +174,9 @@ static HRESULT WINAPI IWineD3DVolumeTextureImpl_FreePrivateData(IWineD3DVolumeTe
     return resource_free_private_data((IWineD3DResourceImpl *)iface, refguid);
 }
 
-static DWORD WINAPI IWineD3DVolumeTextureImpl_SetPriority(IWineD3DVolumeTexture *iface, DWORD PriorityNew) {
-    return resource_set_priority((IWineD3DResource *)iface, PriorityNew);
+static DWORD WINAPI IWineD3DVolumeTextureImpl_SetPriority(IWineD3DVolumeTexture *iface, DWORD priority)
+{
+    return resource_set_priority((IWineD3DResourceImpl *)iface, priority);
 }
 
 static DWORD WINAPI IWineD3DVolumeTextureImpl_GetPriority(IWineD3DVolumeTexture *iface)
diff --git a/dlls/wined3d/wined3d_private.h b/dlls/wined3d/wined3d_private.h
index 2e50f7a30e..dbfd4e33de 100644
--- a/dlls/wined3d/wined3d_private.h
+++ b/dlls/wined3d/wined3d_private.h
@@ -1837,7 +1837,7 @@ HRESULT resource_init(struct IWineD3DResourceImpl *resource, WINED3DRESOURCETYPE
         IWineD3DDeviceImpl *device, UINT size, DWORD usage, const struct wined3d_format *format,
         WINED3DPOOL pool, void *parent, const struct wined3d_parent_ops *parent_ops) DECLSPEC_HIDDEN;
 WINED3DRESOURCETYPE resource_get_type(IWineD3DResource *iface) DECLSPEC_HIDDEN;
-DWORD resource_set_priority(IWineD3DResource *iface, DWORD new_priority) DECLSPEC_HIDDEN;
+DWORD resource_set_priority(struct IWineD3DResourceImpl *resource, DWORD priority) DECLSPEC_HIDDEN;
 HRESULT resource_set_private_data(struct IWineD3DResourceImpl *resource, REFGUID guid,
         const void *data, DWORD data_size, DWORD flags) DECLSPEC_HIDDEN;
 void resource_unload(IWineD3DResourceImpl *resource) DECLSPEC_HIDDEN;