diff --git a/dlls/wined3d/basetexture.c b/dlls/wined3d/basetexture.c
index cf2130d4c68..96dfe4cceab 100644
--- a/dlls/wined3d/basetexture.c
+++ b/dlls/wined3d/basetexture.c
@@ -27,7 +27,8 @@
 WINE_DEFAULT_DEBUG_CHANNEL(d3d_texture);
 #define GLINFO_LOCATION This->resource.wineD3DDevice->adapter->gl_info
 
-void IWineD3DBaseTextureImpl_CleanUp(IWineD3DBaseTexture *iface) {
+void basetexture_cleanup(IWineD3DBaseTexture *iface)
+{
     IWineD3DBaseTextureImpl *This = (IWineD3DBaseTextureImpl *)iface;
     IWineD3DDeviceImpl *device = This->resource.wineD3DDevice;
 
@@ -42,7 +43,8 @@ void IWineD3DBaseTextureImpl_CleanUp(IWineD3DBaseTexture *iface) {
     IWineD3DResourceImpl_CleanUp((IWineD3DResource *)iface);
 }
 
-void     WINAPI        IWineD3DBaseTextureImpl_UnLoad(IWineD3DBaseTexture *iface) {
+void basetexture_unload(IWineD3DBaseTexture *iface)
+{
     IWineD3DTextureImpl *This = (IWineD3DTextureImpl *)iface;
     IWineD3DDeviceImpl *device = This->resource.wineD3DDevice;
 
@@ -58,7 +60,8 @@ void     WINAPI        IWineD3DBaseTextureImpl_UnLoad(IWineD3DBaseTexture *iface
 
 /* There is no OpenGL equivalent of setLOD, getLOD. All they do anyway is prioritize texture loading
  * so just pretend that they work unless something really needs a failure. */
-DWORD WINAPI IWineD3DBaseTextureImpl_SetLOD(IWineD3DBaseTexture *iface, DWORD LODNew) {
+DWORD basetexture_set_lod(IWineD3DBaseTexture *iface, DWORD LODNew)
+{
     IWineD3DBaseTextureImpl *This = (IWineD3DBaseTextureImpl *)iface;
 
     if (This->resource.pool != WINED3DPOOL_MANAGED) {
@@ -74,7 +77,8 @@ DWORD WINAPI IWineD3DBaseTextureImpl_SetLOD(IWineD3DBaseTexture *iface, DWORD LO
     return This->baseTexture.LOD;
 }
 
-DWORD WINAPI IWineD3DBaseTextureImpl_GetLOD(IWineD3DBaseTexture *iface) {
+DWORD basetexture_get_lod(IWineD3DBaseTexture *iface)
+{
     IWineD3DBaseTextureImpl *This = (IWineD3DBaseTextureImpl *)iface;
 
     if (This->resource.pool != WINED3DPOOL_MANAGED) {
@@ -86,13 +90,15 @@ DWORD WINAPI IWineD3DBaseTextureImpl_GetLOD(IWineD3DBaseTexture *iface) {
     return This->baseTexture.LOD;
 }
 
-DWORD WINAPI IWineD3DBaseTextureImpl_GetLevelCount(IWineD3DBaseTexture *iface) {
+DWORD basetexture_get_level_count(IWineD3DBaseTexture *iface)
+{
     IWineD3DBaseTextureImpl *This = (IWineD3DBaseTextureImpl *)iface;
     TRACE("(%p) : returning %d\n", This, This->baseTexture.levels);
     return This->baseTexture.levels;
 }
 
-HRESULT WINAPI IWineD3DBaseTextureImpl_SetAutoGenFilterType(IWineD3DBaseTexture *iface, WINED3DTEXTUREFILTERTYPE FilterType) {
+HRESULT basetexture_set_autogen_filter_type(IWineD3DBaseTexture *iface, WINED3DTEXTUREFILTERTYPE FilterType)
+{
   IWineD3DBaseTextureImpl *This = (IWineD3DBaseTextureImpl *)iface;
   IWineD3DDeviceImpl *device = This->resource.wineD3DDevice;
   UINT textureDimensions = IWineD3DBaseTexture_GetTextureDimensions(iface);
@@ -134,7 +140,8 @@ HRESULT WINAPI IWineD3DBaseTextureImpl_SetAutoGenFilterType(IWineD3DBaseTexture
   return WINED3D_OK;
 }
 
-WINED3DTEXTUREFILTERTYPE WINAPI IWineD3DBaseTextureImpl_GetAutoGenFilterType(IWineD3DBaseTexture *iface) {
+WINED3DTEXTUREFILTERTYPE basetexture_get_autogen_filter_type(IWineD3DBaseTexture *iface)
+{
   IWineD3DBaseTextureImpl *This = (IWineD3DBaseTextureImpl *)iface;
   FIXME("(%p) : stub\n", This);
   if (!(This->resource.usage & WINED3DUSAGE_AUTOGENMIPMAP)) {
@@ -143,14 +150,16 @@ WINED3DTEXTUREFILTERTYPE WINAPI IWineD3DBaseTextureImpl_GetAutoGenFilterType(IWi
   return This->baseTexture.filterType;
 }
 
-void WINAPI IWineD3DBaseTextureImpl_GenerateMipSubLevels(IWineD3DBaseTexture *iface) {
+void basetexture_generate_mipmaps(IWineD3DBaseTexture *iface)
+{
   IWineD3DBaseTextureImpl *This = (IWineD3DBaseTextureImpl *)iface;
   /* TODO: implement filters using GL_SGI_generate_mipmaps http://oss.sgi.com/projects/ogl-sample/registry/SGIS/generate_mipmap.txt */
   FIXME("(%p) : stub\n", This);
   return ;
 }
 
-BOOL WINAPI IWineD3DBaseTextureImpl_SetDirty(IWineD3DBaseTexture *iface, BOOL dirty) {
+BOOL basetexture_set_dirty(IWineD3DBaseTexture *iface, BOOL dirty)
+{
     BOOL old;
     IWineD3DBaseTextureImpl *This = (IWineD3DBaseTextureImpl *)iface;
     old = This->baseTexture.dirty;
@@ -158,12 +167,14 @@ BOOL WINAPI IWineD3DBaseTextureImpl_SetDirty(IWineD3DBaseTexture *iface, BOOL di
     return old;
 }
 
-BOOL WINAPI IWineD3DBaseTextureImpl_GetDirty(IWineD3DBaseTexture *iface) {
+BOOL basetexture_get_dirty(IWineD3DBaseTexture *iface)
+{
     IWineD3DBaseTextureImpl *This = (IWineD3DBaseTextureImpl *)iface;
     return This->baseTexture.dirty;
 }
 
-HRESULT WINAPI IWineD3DBaseTextureImpl_BindTexture(IWineD3DBaseTexture *iface) {
+HRESULT basetexture_bind(IWineD3DBaseTexture *iface)
+{
     IWineD3DBaseTextureImpl *This = (IWineD3DBaseTextureImpl *)iface;
     HRESULT hr = WINED3D_OK;
     UINT textureDimensions;
@@ -272,9 +283,10 @@ static inline void apply_wrap(const GLint textureDimensions, const DWORD state,
     }
 }
 
-void WINAPI IWineD3DBaseTextureImpl_ApplyStateChanges(IWineD3DBaseTexture *iface,
-                                    const DWORD textureStates[WINED3D_HIGHEST_TEXTURE_STATE + 1],
-                                    const DWORD samplerStates[WINED3D_HIGHEST_SAMPLER_STATE + 1]) {
+void basetexture_apply_state_changes(IWineD3DBaseTexture *iface,
+        const DWORD textureStates[WINED3D_HIGHEST_TEXTURE_STATE + 1],
+        const DWORD samplerStates[WINED3D_HIGHEST_SAMPLER_STATE + 1])
+{
     IWineD3DBaseTextureImpl *This = (IWineD3DBaseTextureImpl *)iface;
     DWORD state;
     GLint textureDimensions = IWineD3DBaseTexture_GetTextureDimensions(iface);
diff --git a/dlls/wined3d/cubetexture.c b/dlls/wined3d/cubetexture.c
index 9ccb2d19992..d0c1dc6de3f 100644
--- a/dlls/wined3d/cubetexture.c
+++ b/dlls/wined3d/cubetexture.c
@@ -176,7 +176,7 @@ static void WINAPI IWineD3DCubeTextureImpl_UnLoad(IWineD3DCubeTexture *iface) {
         }
     }
 
-    IWineD3DBaseTextureImpl_UnLoad((IWineD3DBaseTexture *) iface);
+    basetexture_unload((IWineD3DBaseTexture *)iface);
 }
 
 static WINED3DRESOURCETYPE WINAPI IWineD3DCubeTextureImpl_GetType(IWineD3DCubeTexture *iface) {
@@ -191,37 +191,37 @@ static HRESULT WINAPI IWineD3DCubeTextureImpl_GetParent(IWineD3DCubeTexture *ifa
    IWineD3DCubeTexture IWineD3DBaseTexture parts follow
    ****************************************************** */
 static DWORD WINAPI IWineD3DCubeTextureImpl_SetLOD(IWineD3DCubeTexture *iface, DWORD LODNew) {
-    return IWineD3DBaseTextureImpl_SetLOD((IWineD3DBaseTexture *)iface, LODNew);
+    return basetexture_set_lod((IWineD3DBaseTexture *)iface, LODNew);
 }
 
 static DWORD WINAPI IWineD3DCubeTextureImpl_GetLOD(IWineD3DCubeTexture *iface) {
-    return IWineD3DBaseTextureImpl_GetLOD((IWineD3DBaseTexture *)iface);
+    return basetexture_get_lod((IWineD3DBaseTexture *)iface);
 }
 
 static DWORD WINAPI IWineD3DCubeTextureImpl_GetLevelCount(IWineD3DCubeTexture *iface) {
-    return IWineD3DBaseTextureImpl_GetLevelCount((IWineD3DBaseTexture *)iface);
+    return basetexture_get_level_count((IWineD3DBaseTexture *)iface);
 }
 
 static HRESULT WINAPI IWineD3DCubeTextureImpl_SetAutoGenFilterType(IWineD3DCubeTexture *iface, WINED3DTEXTUREFILTERTYPE FilterType) {
-  return IWineD3DBaseTextureImpl_SetAutoGenFilterType((IWineD3DBaseTexture *)iface, FilterType);
+  return basetexture_set_autogen_filter_type((IWineD3DBaseTexture *)iface, FilterType);
 }
 
 static WINED3DTEXTUREFILTERTYPE WINAPI IWineD3DCubeTextureImpl_GetAutoGenFilterType(IWineD3DCubeTexture *iface) {
-  return IWineD3DBaseTextureImpl_GetAutoGenFilterType((IWineD3DBaseTexture *)iface);
+  return basetexture_get_autogen_filter_type((IWineD3DBaseTexture *)iface);
 }
 
 static void WINAPI IWineD3DCubeTextureImpl_GenerateMipSubLevels(IWineD3DCubeTexture *iface) {
-    IWineD3DBaseTextureImpl_GenerateMipSubLevels((IWineD3DBaseTexture *)iface);
+    basetexture_generate_mipmaps((IWineD3DBaseTexture *)iface);
 }
 
 /* Internal function, No d3d mapping */
 static BOOL WINAPI IWineD3DCubeTextureImpl_SetDirty(IWineD3DCubeTexture *iface, BOOL dirty) {
-    return IWineD3DBaseTextureImpl_SetDirty((IWineD3DBaseTexture *)iface, dirty);
+    return basetexture_set_dirty((IWineD3DBaseTexture *)iface, dirty);
 }
 
 /* Internal function, No d3d mapping */
 static BOOL WINAPI IWineD3DCubeTextureImpl_GetDirty(IWineD3DCubeTexture *iface) {
-    return IWineD3DBaseTextureImpl_GetDirty((IWineD3DBaseTexture *)iface);
+    return basetexture_get_dirty((IWineD3DBaseTexture *)iface);
 }
 
 static HRESULT WINAPI IWineD3DCubeTextureImpl_BindTexture(IWineD3DCubeTexture *iface) {
@@ -231,7 +231,7 @@ static HRESULT WINAPI IWineD3DCubeTextureImpl_BindTexture(IWineD3DCubeTexture *i
 
     TRACE("(%p) : relay to BaseTexture\n", This);
 
-    hr = IWineD3DBaseTextureImpl_BindTexture((IWineD3DBaseTexture *)iface);
+    hr = basetexture_bind((IWineD3DBaseTexture *)iface);
     if (set_gl_texture_desc && SUCCEEDED(hr)) {
         UINT i, j;
         for (i = 0; i < This->baseTexture.levels; ++i) {
@@ -262,7 +262,7 @@ static void WINAPI IWineD3DCubeTextureImpl_ApplyStateChanges(IWineD3DCubeTexture
                                                         const DWORD textureStates[WINED3D_HIGHEST_TEXTURE_STATE + 1], 
                                                         const DWORD samplerStates[WINED3D_HIGHEST_SAMPLER_STATE + 1]) {
     TRACE("(%p) : relay to BaseTexture\n", iface);
-    IWineD3DBaseTextureImpl_ApplyStateChanges((IWineD3DBaseTexture *)iface, textureStates, samplerStates);
+    basetexture_apply_state_changes((IWineD3DBaseTexture *)iface, textureStates, samplerStates);
 }
 
 
@@ -286,7 +286,7 @@ static void WINAPI IWineD3DCubeTextureImpl_Destroy(IWineD3DCubeTexture *iface, D
             }
         }
     }
-    IWineD3DBaseTextureImpl_CleanUp((IWineD3DBaseTexture *) iface);
+    basetexture_cleanup((IWineD3DBaseTexture *)iface);
     /* finally delete the object */
     HeapFree(GetProcessHeap(), 0, This);
 }
diff --git a/dlls/wined3d/texture.c b/dlls/wined3d/texture.c
index 98aea922dff..e6d745fb460 100644
--- a/dlls/wined3d/texture.c
+++ b/dlls/wined3d/texture.c
@@ -165,7 +165,7 @@ static void WINAPI IWineD3DTextureImpl_UnLoad(IWineD3DTexture *iface) {
         surface_set_texture_name(This->surfaces[i], 0);
     }
 
-    IWineD3DBaseTextureImpl_UnLoad((IWineD3DBaseTexture *) iface);
+    basetexture_unload((IWineD3DBaseTexture *)iface);
 }
 
 static WINED3DRESOURCETYPE WINAPI IWineD3DTextureImpl_GetType(IWineD3DTexture *iface) {
@@ -180,36 +180,36 @@ static HRESULT WINAPI IWineD3DTextureImpl_GetParent(IWineD3DTexture *iface, IUnk
    IWineD3DTexture IWineD3DBaseTexture parts follow
    ****************************************************** */
 static DWORD WINAPI IWineD3DTextureImpl_SetLOD(IWineD3DTexture *iface, DWORD LODNew) {
-    return IWineD3DBaseTextureImpl_SetLOD((IWineD3DBaseTexture *)iface, LODNew);
+    return basetexture_set_lod((IWineD3DBaseTexture *)iface, LODNew);
 }
 
 static DWORD WINAPI IWineD3DTextureImpl_GetLOD(IWineD3DTexture *iface) {
-    return IWineD3DBaseTextureImpl_GetLOD((IWineD3DBaseTexture *)iface);
+    return basetexture_get_lod((IWineD3DBaseTexture *)iface);
 }
 
 static DWORD WINAPI IWineD3DTextureImpl_GetLevelCount(IWineD3DTexture *iface) {
-    return IWineD3DBaseTextureImpl_GetLevelCount((IWineD3DBaseTexture *)iface);
+    return basetexture_get_level_count((IWineD3DBaseTexture *)iface);
 }
 
 static HRESULT WINAPI IWineD3DTextureImpl_SetAutoGenFilterType(IWineD3DTexture *iface, WINED3DTEXTUREFILTERTYPE FilterType) {
-  return IWineD3DBaseTextureImpl_SetAutoGenFilterType((IWineD3DBaseTexture *)iface, FilterType);
+  return basetexture_set_autogen_filter_type((IWineD3DBaseTexture *)iface, FilterType);
 }
 
 static WINED3DTEXTUREFILTERTYPE WINAPI IWineD3DTextureImpl_GetAutoGenFilterType(IWineD3DTexture *iface) {
-  return IWineD3DBaseTextureImpl_GetAutoGenFilterType((IWineD3DBaseTexture *)iface);
+  return basetexture_get_autogen_filter_type((IWineD3DBaseTexture *)iface);
 }
 
 static void WINAPI IWineD3DTextureImpl_GenerateMipSubLevels(IWineD3DTexture *iface) {
-    IWineD3DBaseTextureImpl_GenerateMipSubLevels((IWineD3DBaseTexture *)iface);
+    basetexture_generate_mipmaps((IWineD3DBaseTexture *)iface);
 }
 
 /* Internal function, No d3d mapping */
 static BOOL WINAPI IWineD3DTextureImpl_SetDirty(IWineD3DTexture *iface, BOOL dirty) {
-    return IWineD3DBaseTextureImpl_SetDirty((IWineD3DBaseTexture *)iface, dirty);
+    return basetexture_set_dirty((IWineD3DBaseTexture *)iface, dirty);
 }
 
 static BOOL WINAPI IWineD3DTextureImpl_GetDirty(IWineD3DTexture *iface) {
-    return IWineD3DBaseTextureImpl_GetDirty((IWineD3DBaseTexture *)iface);
+    return basetexture_get_dirty((IWineD3DBaseTexture *)iface);
 }
 
 static HRESULT WINAPI IWineD3DTextureImpl_BindTexture(IWineD3DTexture *iface) {
@@ -219,7 +219,7 @@ static HRESULT WINAPI IWineD3DTextureImpl_BindTexture(IWineD3DTexture *iface) {
 
     TRACE("(%p) : relay to BaseTexture\n", This);
 
-    hr = IWineD3DBaseTextureImpl_BindTexture((IWineD3DBaseTexture *)iface);
+    hr = basetexture_bind((IWineD3DBaseTexture *)iface);
     if (set_gl_texture_desc && SUCCEEDED(hr)) {
         UINT i;
         for (i = 0; i < This->baseTexture.levels; ++i) {
@@ -270,7 +270,7 @@ static void WINAPI IWineD3DTextureImpl_ApplyStateChanges(IWineD3DTexture *iface,
                                                    const DWORD textureStates[WINED3D_HIGHEST_TEXTURE_STATE + 1],
                                                    const DWORD samplerStates[WINED3D_HIGHEST_SAMPLER_STATE + 1]) {
     TRACE("(%p) : relay to BaseTexture\n", iface);
-    IWineD3DBaseTextureImpl_ApplyStateChanges((IWineD3DBaseTexture *)iface, textureStates, samplerStates);
+    basetexture_apply_state_changes((IWineD3DBaseTexture *)iface, textureStates, samplerStates);
 }
 
 /* *******************************************
@@ -291,7 +291,7 @@ static void WINAPI IWineD3DTextureImpl_Destroy(IWineD3DTexture *iface, D3DCB_DES
         }
     }
     TRACE("(%p) : cleaning up base texture\n", This);
-    IWineD3DBaseTextureImpl_CleanUp((IWineD3DBaseTexture *)iface);
+    basetexture_cleanup((IWineD3DBaseTexture *)iface);
     /* free the object */
     HeapFree(GetProcessHeap(), 0, This);
 }
diff --git a/dlls/wined3d/volumetexture.c b/dlls/wined3d/volumetexture.c
index 53275e17ca7..30a2deb7f86 100644
--- a/dlls/wined3d/volumetexture.c
+++ b/dlls/wined3d/volumetexture.c
@@ -145,7 +145,7 @@ static void WINAPI IWineD3DVolumeTextureImpl_UnLoad(IWineD3DVolumeTexture *iface
         IWineD3DVolume_UnLoad(This->volumes[i]);
     }
 
-    IWineD3DBaseTextureImpl_UnLoad((IWineD3DBaseTexture *) iface);
+    basetexture_unload((IWineD3DBaseTexture *)iface);
 }
 
 static WINED3DRESOURCETYPE WINAPI IWineD3DVolumeTextureImpl_GetType(IWineD3DVolumeTexture *iface) {
@@ -160,42 +160,42 @@ static HRESULT WINAPI IWineD3DVolumeTextureImpl_GetParent(IWineD3DVolumeTexture
    IWineD3DVolumeTexture IWineD3DBaseTexture parts follow
    ****************************************************** */
 static DWORD WINAPI IWineD3DVolumeTextureImpl_SetLOD(IWineD3DVolumeTexture *iface, DWORD LODNew) {
-    return IWineD3DBaseTextureImpl_SetLOD((IWineD3DBaseTexture *)iface, LODNew);
+    return basetexture_set_lod((IWineD3DBaseTexture *)iface, LODNew);
 }
 
 static DWORD WINAPI IWineD3DVolumeTextureImpl_GetLOD(IWineD3DVolumeTexture *iface) {
-    return IWineD3DBaseTextureImpl_GetLOD((IWineD3DBaseTexture *)iface);
+    return basetexture_get_lod((IWineD3DBaseTexture *)iface);
 }
 
 static DWORD WINAPI IWineD3DVolumeTextureImpl_GetLevelCount(IWineD3DVolumeTexture *iface) {
-    return IWineD3DBaseTextureImpl_GetLevelCount((IWineD3DBaseTexture *)iface);
+    return basetexture_get_level_count((IWineD3DBaseTexture *)iface);
 }
 
 static HRESULT WINAPI IWineD3DVolumeTextureImpl_SetAutoGenFilterType(IWineD3DVolumeTexture *iface, WINED3DTEXTUREFILTERTYPE FilterType) {
-  return IWineD3DBaseTextureImpl_SetAutoGenFilterType((IWineD3DBaseTexture *)iface, FilterType);
+  return basetexture_set_autogen_filter_type((IWineD3DBaseTexture *)iface, FilterType);
 }
 
 static WINED3DTEXTUREFILTERTYPE WINAPI IWineD3DVolumeTextureImpl_GetAutoGenFilterType(IWineD3DVolumeTexture *iface) {
-  return IWineD3DBaseTextureImpl_GetAutoGenFilterType((IWineD3DBaseTexture *)iface);
+  return basetexture_get_autogen_filter_type((IWineD3DBaseTexture *)iface);
 }
 
 static void WINAPI IWineD3DVolumeTextureImpl_GenerateMipSubLevels(IWineD3DVolumeTexture *iface) {
-    IWineD3DBaseTextureImpl_GenerateMipSubLevels((IWineD3DBaseTexture *)iface);
+    basetexture_generate_mipmaps((IWineD3DBaseTexture *)iface);
 }
 
 /* Internal function, No d3d mapping */
 static BOOL WINAPI IWineD3DVolumeTextureImpl_SetDirty(IWineD3DVolumeTexture *iface, BOOL dirty) {
-    return IWineD3DBaseTextureImpl_SetDirty((IWineD3DBaseTexture *)iface, dirty);
+    return basetexture_set_dirty((IWineD3DBaseTexture *)iface, dirty);
 }
 
 static BOOL WINAPI IWineD3DVolumeTextureImpl_GetDirty(IWineD3DVolumeTexture *iface) {
-    return IWineD3DBaseTextureImpl_GetDirty((IWineD3DBaseTexture *)iface);
+    return basetexture_get_dirty((IWineD3DBaseTexture *)iface);
 }
 
 static HRESULT WINAPI IWineD3DVolumeTextureImpl_BindTexture(IWineD3DVolumeTexture *iface) {
     IWineD3DVolumeTextureImpl *This = (IWineD3DVolumeTextureImpl *)iface;
     TRACE("(%p) : relay to BaseTexture\n", This);
-    return IWineD3DBaseTextureImpl_BindTexture((IWineD3DBaseTexture *)iface);
+    return basetexture_bind((IWineD3DBaseTexture *)iface);
 }
 
 static UINT WINAPI IWineD3DVolumeTextureImpl_GetTextureDimensions(IWineD3DVolumeTexture *iface) {
@@ -216,7 +216,7 @@ static void WINAPI IWineD3DVolumeTextureImpl_ApplyStateChanges(IWineD3DVolumeTex
                                                         const DWORD samplerStates[WINED3D_HIGHEST_SAMPLER_STATE + 1]) {
     IWineD3DVolumeTextureImpl *This = (IWineD3DVolumeTextureImpl *)iface;
     TRACE("(%p) : nothing to do, passing to base texture\n", This);
-    IWineD3DBaseTextureImpl_ApplyStateChanges((IWineD3DBaseTexture *)iface, textureStates, samplerStates);
+    basetexture_apply_state_changes((IWineD3DBaseTexture *)iface, textureStates, samplerStates);
 }
 
 
@@ -234,7 +234,7 @@ static void WINAPI IWineD3DVolumeTextureImpl_Destroy(IWineD3DVolumeTexture *ifac
             D3DCB_DestroyVolume(This->volumes[i]);
         }
     }
-    IWineD3DBaseTextureImpl_CleanUp((IWineD3DBaseTexture *) iface);
+    basetexture_cleanup((IWineD3DBaseTexture *)iface);
     HeapFree(GetProcessHeap(), 0, This);
 }
 
diff --git a/dlls/wined3d/wined3d_private.h b/dlls/wined3d/wined3d_private.h
index 877601c46f6..7666e5e1307 100644
--- a/dlls/wined3d/wined3d_private.h
+++ b/dlls/wined3d/wined3d_private.h
@@ -1243,6 +1243,21 @@ typedef struct IWineD3DBaseTextureImpl
 
 } IWineD3DBaseTextureImpl;
 
+void basetexture_apply_state_changes(IWineD3DBaseTexture *iface,
+        const DWORD texture_states[WINED3D_HIGHEST_TEXTURE_STATE + 1],
+        const DWORD sampler_states[WINED3D_HIGHEST_SAMPLER_STATE + 1]);
+HRESULT basetexture_bind(IWineD3DBaseTexture *iface);
+void basetexture_cleanup(IWineD3DBaseTexture *iface);
+void basetexture_generate_mipmaps(IWineD3DBaseTexture *iface);
+WINED3DTEXTUREFILTERTYPE basetexture_get_autogen_filter_type(IWineD3DBaseTexture *iface);
+BOOL basetexture_get_dirty(IWineD3DBaseTexture *iface);
+DWORD basetexture_get_level_count(IWineD3DBaseTexture *iface);
+DWORD basetexture_get_lod(IWineD3DBaseTexture *iface);
+HRESULT basetexture_set_autogen_filter_type(IWineD3DBaseTexture *iface, WINED3DTEXTUREFILTERTYPE filter_type);
+BOOL basetexture_set_dirty(IWineD3DBaseTexture *iface, BOOL dirty);
+DWORD basetexture_set_lod(IWineD3DBaseTexture *iface, DWORD new_lod);
+void basetexture_unload(IWineD3DBaseTexture *iface);
+
 /*****************************************************************************
  * IWineD3DTexture implementation structure (extends IWineD3DBaseTextureImpl)
  */
@@ -1942,20 +1957,6 @@ unsigned int count_bits(unsigned int mask);
     extern WINED3DRESOURCETYPE WINAPI IWineD3DResourceImpl_GetType(IWineD3DResource *iface);
     void IWineD3DResourceImpl_CleanUp(IWineD3DResource *iface);
 
-    /* IWineD3DBaseTexture */
-    void IWineD3DBaseTextureImpl_CleanUp(IWineD3DBaseTexture *iface);
-    extern void WINAPI IWineD3DBaseTextureImpl_UnLoad(IWineD3DBaseTexture *iface);
-    extern DWORD WINAPI IWineD3DBaseTextureImpl_SetLOD(IWineD3DBaseTexture *iface, DWORD LODNew);
-    extern DWORD WINAPI IWineD3DBaseTextureImpl_GetLOD(IWineD3DBaseTexture *iface);
-    extern DWORD WINAPI IWineD3DBaseTextureImpl_GetLevelCount(IWineD3DBaseTexture *iface);
-    extern HRESULT WINAPI IWineD3DBaseTextureImpl_SetAutoGenFilterType(IWineD3DBaseTexture *iface, WINED3DTEXTUREFILTERTYPE FilterType);
-    extern WINED3DTEXTUREFILTERTYPE WINAPI IWineD3DBaseTextureImpl_GetAutoGenFilterType(IWineD3DBaseTexture *iface);
-    extern void WINAPI IWineD3DBaseTextureImpl_GenerateMipSubLevels(IWineD3DBaseTexture *iface);
-    extern BOOL WINAPI IWineD3DBaseTextureImpl_SetDirty(IWineD3DBaseTexture *iface, BOOL);
-    extern BOOL WINAPI IWineD3DBaseTextureImpl_GetDirty(IWineD3DBaseTexture *iface);
-    extern HRESULT WINAPI IWineD3DBaseTextureImpl_BindTexture(IWineD3DBaseTexture *iface);
-    extern void WINAPI IWineD3DBaseTextureImpl_ApplyStateChanges(IWineD3DBaseTexture *iface, const DWORD textureStates[WINED3D_HIGHEST_TEXTURE_STATE + 1], const DWORD samplerStates[WINED3D_HIGHEST_SAMPLER_STATE + 1]);
-
     /* IWineD3DVertexBuffer */
     extern const BYTE *IWineD3DVertexBufferImpl_GetMemory(IWineD3DVertexBuffer* iface, DWORD iOffset, GLint *vbo);