wined3d: Get rid of the IWineD3DBuffer typedef.

dlls/wined3d/buffer.c

@@ -1167,8 +1167,6 @@ WINED3DRESOURCETYPE CDECL wined3d_buffer_get_type(const struct wined3d_buffer *b
     return resource_get_type(&buffer->resource);
 }
 
-/* IWineD3DBuffer methods */
-
 static DWORD buffer_sanitize_flags(struct wined3d_buffer *buffer, DWORD flags)
 {
     /* Not all flags make sense together, but Windows never returns an error. Catch the

dlls/wined3d/stateblock.c

@@ -984,8 +984,7 @@ HRESULT CDECL wined3d_stateblock_apply(const struct wined3d_stateblock *stateblo
 
     if (stateblock->changed.indices)
     {
-        IWineD3DDevice_SetIndexBuffer(device, (IWineD3DBuffer *)stateblock->state.index_buffer,
-                stateblock->state.index_format);
+        IWineD3DDevice_SetIndexBuffer(device, stateblock->state.index_buffer, stateblock->state.index_format);
         IWineD3DDevice_SetBaseVertexIndex(device, stateblock->state.base_vertex_index);
     }
 
@@ -1014,7 +1013,7 @@ HRESULT CDECL wined3d_stateblock_apply(const struct wined3d_stateblock *stateblo
     {
         if (map & 1)
             IWineD3DDevice_SetStreamSource(device, i,
-                    (IWineD3DBuffer *)stateblock->state.streams[i].buffer,
+                    stateblock->state.streams[i].buffer,
                     0, stateblock->state.streams[i].stride);
     }
 

dlls/wined3d/wined3d_private.h

@@ -55,7 +55,6 @@
 typedef struct IWineD3DSurfaceImpl    IWineD3DSurfaceImpl;
 typedef struct IWineD3DDeviceImpl     IWineD3DDeviceImpl;
 typedef struct IWineD3DSwapChainImpl  IWineD3DSwapChainImpl;
-typedef struct wined3d_buffer IWineD3DBuffer;
 struct IWineD3DBaseShaderImpl;
 struct IWineD3DBaseTextureImpl;
 
@@ -2514,8 +2513,6 @@ struct wined3d_query
 
 HRESULT query_init(struct wined3d_query *query, IWineD3DDeviceImpl *device, WINED3DQUERYTYPE type) DECLSPEC_HIDDEN;
 
-/* IWineD3DBuffer */
-
 /* TODO: Add tests and support for FLOAT16_4 POSITIONT, D3DCOLOR position, other
  * fixed function semantics as D3DCOLOR or FLOAT16 */
 enum wined3d_buffer_conversion_type