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ddrawex: Correctly retrieve the "outer" surface in IDirectDraw3Impl_GetSurfaceFromDC().

This commit is contained in:
Henri Verbeet 2010-03-29 13:31:09 +02:00 committed by Alexandre Julliard
parent 6ae96807c0
commit d38f535c05
1 changed files with 16 additions and 3 deletions
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19
dlls/ddrawex/ddraw.c
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@ -1333,17 +1333,30 @@ IDirectDraw3Impl_GetSurfaceFromDC(IDirectDraw3 *iface,
IDirectDrawSurface **Surface)
{
IDirectDrawImpl *This = impl_from_dd3(iface);
IDirectDrawSurface4 *surf4;
IDirectDrawSurface4 *surf4, *outer;
IDirectDrawSurface *inner;
HRESULT hr;
TRACE("(%p)->(%p, %p): Thunking to IDirectDraw4\n", This, hdc, Surface);
hr = IDirectDraw4_GetSurfaceFromDC(dd4_from_impl(This), hdc, &surf4);
if (!Surface) return E_POINTER;
hr = IDirectDraw4_GetSurfaceFromDC(This->parent, hdc, (IDirectDrawSurface4 **)&inner);
if(FAILED(hr))
{
*Surface = NULL;
return hr;
}
IDirectDrawSurface4_QueryInterface(surf4, &IID_IDirectDrawSurface, (void **) Surface);
hr = IDirectDrawSurface_QueryInterface(inner, &IID_IDirectDrawSurface4, (void **)&surf4);
IDirectDrawSurface_Release(inner);
if (FAILED(hr))
{
*Surface = NULL;
return hr;
}
outer = dds_get_outer(surf4);
hr = IDirectDrawSurface4_QueryInterface(outer, &IID_IDirectDrawSurface, (void **)Surface);
IDirectDrawSurface4_Release(surf4);
return hr;
}