st/nine: Implement {Set/Get/Free}PrivateData in iunknown

Implement {Set/Get/Free}PrivateData in iunknown to get rid
of duplicated code in resource9 and volume9.

Signed-off-by: Patrick Rudolph <[email protected]>
Reviewed-by: Axel Davy <[email protected]>

1 files changed, 20 insertions, 0 deletions

diff --git a/src/gallium/state_trackers/nine/iunknown.h b/src/gallium/state_trackers/nine/iunknown.h
index bcd0b8bce9d..63b16bd7cc8 100644
--- a/src/gallium/state_trackers/nine/iunknown.h
+++ b/src/gallium/state_trackers/nine/iunknown.h
@@ -53,6 +53,9 @@ struct NineUnknown
 
     const GUID **guids; /* for QueryInterface */
 
+    /* for [GS]etPrivateData/FreePrivateData */
+    struct util_hash_table *pdata;
+
     void (*dtor)(void *data); /* top-level dtor */
 };
 static inline struct NineUnknown *
@@ -95,6 +98,23 @@ HRESULT NINE_WINAPI
 NineUnknown_GetDevice( struct NineUnknown *This,
                        IDirect3DDevice9 **ppDevice );
 
+HRESULT NINE_WINAPI
+NineUnknown_SetPrivateData( struct NineUnknown *This,
+                            REFGUID refguid,
+                            const void *pData,
+                            DWORD SizeOfData,
+                            DWORD Flags );
+
+HRESULT NINE_WINAPI
+NineUnknown_GetPrivateData( struct NineUnknown *This,
+                            REFGUID refguid,
+                            void *pData,
+                            DWORD *pSizeOfData );
+
+HRESULT NINE_WINAPI
+NineUnknown_FreePrivateData( struct NineUnknown *This,
+                             REFGUID refguid );
+
 /*** Nine private methods ***/
 
 static inline void