Henri Verbeet : d3d8: Properly retrieve an interface pointer in d3d8_texture_2d_LockRect().

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 5bc8c5d347423187af86323efddf74b5eb6e8db6
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=5bc8c5d347423187af86323efddf74b5eb6e8db6

Author: Henri Verbeet <hverbeet at codeweavers.com>
Date:   Tue Apr 17 20:49:12 2012 +0200

d3d8: Properly retrieve an interface pointer in d3d8_texture_2d_LockRect().

---

 dlls/d3d8/texture.c |    7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/dlls/d3d8/texture.c b/dlls/d3d8/texture.c
index 5b4278a..3f9339e 100644
--- a/dlls/d3d8/texture.c
+++ b/dlls/d3d8/texture.c
@@ -300,6 +300,7 @@ static HRESULT WINAPI d3d8_texture_2d_LockRect(IDirect3DTexture8 *iface, UINT le
 {
     struct d3d8_texture *texture = impl_from_IDirect3DTexture8(iface);
     struct wined3d_resource *sub_resource;
+    IDirect3DSurface8Impl *surface_impl;
     HRESULT hr;
 
     TRACE("iface %p, level %u, locked_rect %p, rect %p, flags %#x.\n",
@@ -309,8 +310,10 @@ static HRESULT WINAPI d3d8_texture_2d_LockRect(IDirect3DTexture8 *iface, UINT le
     if (!(sub_resource = wined3d_texture_get_sub_resource(texture->wined3d_texture, level)))
         hr = D3DERR_INVALIDCALL;
     else
-        hr = IDirect3DSurface8_LockRect((IDirect3DSurface8 *)wined3d_resource_get_parent(sub_resource),
-                locked_rect, rect, flags);
+    {
+        surface_impl = wined3d_resource_get_parent(sub_resource);
+        hr = IDirect3DSurface8_LockRect(&surface_impl->IDirect3DSurface8_iface, locked_rect, rect, flags);
+    }
     wined3d_mutex_unlock();
 
     return hr;