d3d9: Get rid of IDirect3DVolumeTexture9Impl.

dlls/d3d9/d3d9_private.h

@@ -315,23 +315,7 @@ HRESULT cubetexture_init(struct d3d9_texture *texture, IDirect3DDevice9Impl *dev
         UINT edge_length, UINT levels, DWORD usage, D3DFORMAT format, D3DPOOL pool) DECLSPEC_HIDDEN;
 HRESULT texture_init(struct d3d9_texture *texture, IDirect3DDevice9Impl *device,
         UINT width, UINT height, UINT levels, DWORD usage, D3DFORMAT format, D3DPOOL pool) DECLSPEC_HIDDEN;
-
-/* ----------------------- */
-/* IDirect3DVolumeTexture9 */
-/* ----------------------- */
-
-/*****************************************************************************
- * IDirect3DVolumeTexture9 implementation structure
- */
-typedef struct IDirect3DVolumeTexture9Impl
-{
-    IDirect3DVolumeTexture9 IDirect3DVolumeTexture9_iface;
-    LONG ref;
-    struct wined3d_texture *wined3d_texture;
-    IDirect3DDevice9Ex *parentDevice;
-} IDirect3DVolumeTexture9Impl;
-
-HRESULT volumetexture_init(IDirect3DVolumeTexture9Impl *texture, IDirect3DDevice9Impl *device,
+HRESULT volumetexture_init(struct d3d9_texture *texture, IDirect3DDevice9Impl *device,
         UINT width, UINT height, UINT depth, UINT levels, DWORD usage, D3DFORMAT format, D3DPOOL pool) DECLSPEC_HIDDEN;
 
 /* ----------------------- */

dlls/d3d9/device.c

@@ -731,7 +731,7 @@ static HRESULT WINAPI IDirect3DDevice9Impl_CreateVolumeTexture(IDirect3DDevice9E
         D3DPOOL pool, IDirect3DVolumeTexture9 **texture, HANDLE *shared_handle)
 {
     IDirect3DDevice9Impl *This = impl_from_IDirect3DDevice9Ex(iface);
-    IDirect3DVolumeTexture9Impl *object;
+    struct d3d9_texture *object;
     HRESULT hr;
 
     TRACE("iface %p, width %u, height %u, depth %u, levels %u\n",
@@ -758,7 +758,7 @@ static HRESULT WINAPI IDirect3DDevice9Impl_CreateVolumeTexture(IDirect3DDevice9E
     }
 
     TRACE("Created volume texture %p.\n", object);
-    *texture = &object->IDirect3DVolumeTexture9_iface;
+    *texture = (IDirect3DVolumeTexture9 *)&object->IDirect3DBaseTexture9_iface;
 
     return D3D_OK;
 }