Henri Verbeet : d3d9: Properly retrieve an interface pointer in IDirect3DDevice9Impl_GetVertexDeclaration ().

[Alexandre Julliard]

Module: wine
Branch: master
Commit: a495b7af486619d501589305a81d5ba61fa742da
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=a495b7af486619d501589305a81d5ba61fa742da

Author: Henri Verbeet <hverbeet at codeweavers.com>
Date:   Thu Apr 26 21:11:51 2012 +0200

d3d9: Properly retrieve an interface pointer in IDirect3DDevice9Impl_GetVertexDeclaration().

---

 dlls/d3d9/device.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/dlls/d3d9/device.c b/dlls/d3d9/device.c
index c5dc834..d4f1eea 100644
--- a/dlls/d3d9/device.c
+++ b/dlls/d3d9/device.c
@@ -2129,6 +2129,7 @@ static HRESULT WINAPI IDirect3DDevice9Impl_GetVertexDeclaration(IDirect3DDevice9
 {
     IDirect3DDevice9Impl *This = impl_from_IDirect3DDevice9Ex(iface);
     struct wined3d_vertex_declaration *wined3d_declaration = NULL;
+    IDirect3DVertexDeclaration9Impl *declaration_impl;
     HRESULT hr;
 
     TRACE("iface %p, declaration %p.\n", iface, declaration);
@@ -2139,7 +2140,8 @@ static HRESULT WINAPI IDirect3DDevice9Impl_GetVertexDeclaration(IDirect3DDevice9
     hr = wined3d_device_get_vertex_declaration(This->wined3d_device, &wined3d_declaration);
     if (SUCCEEDED(hr) && wined3d_declaration)
     {
-        *declaration = wined3d_vertex_declaration_get_parent(wined3d_declaration);
+        declaration_impl = wined3d_vertex_declaration_get_parent(wined3d_declaration);
+        *declaration = &declaration_impl->IDirect3DVertexDeclaration9_iface;
         IDirect3DVertexDeclaration9_AddRef(*declaration);
         wined3d_vertex_declaration_decref(wined3d_declaration);
     }