wined3d: Remove unused offset parameter in buffer_get_memory.

dlls/wined3d/buffer.c

@@ -612,7 +612,7 @@ static inline void fixup_transformed_pos(float *p)
 }
 
 /* Context activation is done by the caller. */
-const BYTE *buffer_get_memory(IWineD3DBuffer *iface, UINT offset, GLuint *buffer_object)
+const BYTE *buffer_get_memory(IWineD3DBuffer *iface, GLuint *buffer_object)
 {
     struct wined3d_buffer *This = (struct wined3d_buffer *)iface;
 
@@ -626,14 +626,14 @@ const BYTE *buffer_get_memory(IWineD3DBuffer *iface, UINT offset, GLuint *buffer
             if (This->buffer_object)
             {
                 *buffer_object = This->buffer_object;
-                return (const BYTE *)offset;
+                return NULL;
             }
         }
-        return This->resource.allocatedMemory + offset;
+        return This->resource.allocatedMemory;
     }
     else
     {
-        return (const BYTE *)offset;
+        return NULL;
     }
 }
 

dlls/wined3d/device.c

@@ -213,7 +213,7 @@ void device_stream_info_from_declaration(IWineD3DDeviceImpl *This,
         else
         {
             TRACE("Stream %u isn't UP, %p\n", element->input_slot, This->stateBlock->streamSource[element->input_slot]);
-            data = buffer_get_memory(This->stateBlock->streamSource[element->input_slot], 0, &buffer_object);
+            data = buffer_get_memory(This->stateBlock->streamSource[element->input_slot], &buffer_object);
 
             /* Can't use vbo's if the base vertex index is negative. OpenGL doesn't accept negative offsets
              * (or rather offsets bigger than the vbo, because the pointer is unsigned), so use system memory

dlls/wined3d/wined3d_private.h

@@ -2526,7 +2526,7 @@ struct wined3d_buffer
     UINT *conversion_shift;                                 /* NULL if no shifted conversion */
 };
 
-const BYTE *buffer_get_memory(IWineD3DBuffer *iface, UINT offset, GLuint *buffer_object) DECLSPEC_HIDDEN;
+const BYTE *buffer_get_memory(IWineD3DBuffer *iface, GLuint *buffer_object) DECLSPEC_HIDDEN;
 BYTE *buffer_get_sysmem(struct wined3d_buffer *This) DECLSPEC_HIDDEN;
 HRESULT buffer_init(struct wined3d_buffer *buffer, IWineD3DDeviceImpl *device,
         UINT size, DWORD usage, WINED3DFORMAT format, WINED3DPOOL pool, GLenum bind_hint,