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ddraw: Allow querying the surface interface if a device was created from a surface.

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This commit is contained in:
Henri Verbeet 2012-01-17 21:13:32 +01:00 committed by Alexandre Julliard
parent c70e17e806
commit cf636cc3b3
3 changed files with 10 additions and 0 deletions
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2
dlls/ddraw/ddraw_private.h
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@ -299,6 +299,8 @@ struct IDirect3DDeviceImpl
/* Required to keep track which of two available texture blending modes in d3ddevice3 is used */
BOOL legacyTextureBlending;
BOOL from_surface;
D3DMATRIX legacy_projection;
D3DMATRIX legacy_clipspace;

7
dlls/ddraw/device.c
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@ -179,6 +179,13 @@ IDirect3DDeviceImpl_7_QueryInterface(IDirect3DDevice7 *iface,
TRACE("(%p) Returning IDirect3DDevice7 interface at %p\n", This, *obj);
}
/* DirectDrawSurface */
else if (IsEqualGUID(&IID_IDirectDrawSurface, refiid) && This->from_surface)
{
*obj = &This->target->IDirectDrawSurface_iface;
TRACE("Returning IDirectDrawSurface interface %p.\n", *obj);
}
/* Unknown interface */
else
{

1
dlls/ddraw/surface.c
View File

@ -199,6 +199,7 @@ static HRESULT WINAPI ddraw_surface7_QueryInterface(IDirectDrawSurface7 *iface,
if (d3d)
{
device_impl = impl_from_IDirect3DDevice7(d3d);
device_impl->from_surface = TRUE;
*obj = &device_impl->IDirect3DDevice_iface;
TRACE("(%p) Returning IDirect3DDevice interface at %p\n", This, *obj);
return S_OK;