d3d8: Properly retrieve an interface pointer in IDirect3DDevice8Impl_GetStreamSource().
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@ -2690,6 +2690,7 @@ static HRESULT WINAPI IDirect3DDevice8Impl_GetStreamSource(IDirect3DDevice8 *ifa
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UINT StreamNumber, IDirect3DVertexBuffer8 **pStream, UINT *pStride)
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{
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IDirect3DDevice8Impl *This = impl_from_IDirect3DDevice8(iface);
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IDirect3DVertexBuffer8Impl *buffer_impl;
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struct wined3d_buffer *retStream = NULL;
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HRESULT hr;
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@ -2705,7 +2706,8 @@ static HRESULT WINAPI IDirect3DDevice8Impl_GetStreamSource(IDirect3DDevice8 *ifa
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&retStream, 0 /* Offset in bytes */, pStride);
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if (SUCCEEDED(hr) && retStream)
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{
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*pStream = wined3d_buffer_get_parent(retStream);
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buffer_impl = wined3d_buffer_get_parent(retStream);
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*pStream = &buffer_impl->IDirect3DVertexBuffer8_iface;
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IDirect3DVertexBuffer8_AddRef(*pStream);
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wined3d_buffer_decref(retStream);
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}
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