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ddraw: Cleanup ddraw7_QueryInterface() a bit.
This commit is contained in:
Henri Verbeet
Alexandre Julliard
parent
09bad83c3a
commit
6ba9f27c16
@ -119,134 +119,78 @@ static inline struct ddraw *impl_from_IDirect3D7(IDirect3D7 *iface)
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return CONTAINING_RECORD(iface, struct ddraw, IDirect3D7_iface);
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}
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/*****************************************************************************
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* IUnknown Methods
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*****************************************************************************/
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/*****************************************************************************
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* IDirectDraw7::QueryInterface
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*
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* Queries different interfaces of the DirectDraw object. It can return
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* IDirectDraw interfaces in version 1, 2, 4 and 7, and IDirect3D interfaces
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* in version 1, 2, 3 and 7. An IDirect3DDevice can be created with this
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* method.
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* The returned interface is AddRef()-ed before it's returned
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*
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* Used for version 1, 2, 4 and 7
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*
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* Params:
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* refiid: Interface ID asked for
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* obj: Used to return the interface pointer
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*
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* Returns:
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* S_OK if an interface was found
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* E_NOINTERFACE if the requested interface wasn't found
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*
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*****************************************************************************/
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static HRESULT WINAPI ddraw7_QueryInterface(IDirectDraw7 *iface, REFIID refiid, void **obj)
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static HRESULT WINAPI ddraw7_QueryInterface(IDirectDraw7 *iface, REFIID riid, void **out)
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{
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struct ddraw *This = impl_from_IDirectDraw7(iface);
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struct ddraw *ddraw = impl_from_IDirectDraw7(iface);
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TRACE("iface %p, riid %s, object %p.\n", iface, debugstr_guid(refiid), obj);
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TRACE("iface %p, riid %s, out %p.\n", iface, debugstr_guid(riid), out);
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/* Can change surface impl type */
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wined3d_mutex_lock();
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/* According to COM docs, if the QueryInterface fails, obj should be set to NULL */
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*obj = NULL;
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if(!refiid)
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if (!riid)
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{
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wined3d_mutex_unlock();
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*out = NULL;
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return DDERR_INVALIDPARAMS;
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}
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/* Check DirectDraw Interfaces */
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if ( IsEqualGUID( &IID_IUnknown, refiid ) ||
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IsEqualGUID( &IID_IDirectDraw7, refiid ) )
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/* The refcount unit test revealed that an IDirect3D7 interface can only
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* be queried from a DirectDraw object that was created as an IDirectDraw7
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* interface. The older interfaces can query any IDirect3D version except
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* 7, because they are all initially created as IDirectDraw. This isn't
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* really crucial behavior, and messy to implement with the common
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* creation function, so it has been left out here. */
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if (IsEqualGUID(&IID_IDirectDraw7, riid)
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|| IsEqualGUID(&IID_IUnknown, riid))
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{
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*obj = &This->IDirectDraw7_iface;
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TRACE("(%p) Returning IDirectDraw7 interface at %p\n", This, *obj);
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*out = &ddraw->IDirectDraw7_iface;
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TRACE("Returning IDirectDraw7 interface %p.\n", *out);
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}
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else if ( IsEqualGUID( &IID_IDirectDraw4, refiid ) )
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else if (IsEqualGUID(&IID_IDirectDraw4, riid))
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{
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*obj = &This->IDirectDraw4_iface;
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TRACE("(%p) Returning IDirectDraw4 interface at %p\n", This, *obj);
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*out = &ddraw->IDirectDraw4_iface;
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TRACE("Returning IDirectDraw4 interface %p.\n", *out);
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}
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else if ( IsEqualGUID( &IID_IDirectDraw3, refiid ) )
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else if (IsEqualGUID(&IID_IDirectDraw2, riid))
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{
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/* This Interface exists in ddrawex.dll, it is implemented in a wrapper */
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WARN("IDirectDraw3 is not valid in ddraw.dll\n");
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*obj = NULL;
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wined3d_mutex_unlock();
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return E_NOINTERFACE;
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*out = &ddraw->IDirectDraw2_iface;
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TRACE("Returning IDirectDraw2 interface %p.\n", *out);
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}
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else if ( IsEqualGUID( &IID_IDirectDraw2, refiid ) )
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else if (IsEqualGUID(&IID_IDirectDraw, riid))
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{
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*obj = &This->IDirectDraw2_iface;
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TRACE("(%p) Returning IDirectDraw2 interface at %p\n", This, *obj);
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*out = &ddraw->IDirectDraw_iface;
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TRACE("Returning IDirectDraw interface %p.\n", *out);
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}
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else if ( IsEqualGUID( &IID_IDirectDraw, refiid ) )
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else if (IsEqualGUID(&IID_IDirect3D7, riid))
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{
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*obj = &This->IDirectDraw_iface;
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TRACE("(%p) Returning IDirectDraw interface at %p\n", This, *obj);
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ddraw->d3dversion = 7;
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*out = &ddraw->IDirect3D7_iface;
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TRACE("Returning Direct3D7 interface %p.\n", *out);
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}
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/* Direct3D
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* The refcount unit test revealed that an IDirect3D7 interface can only be queried
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* from a DirectDraw object that was created as an IDirectDraw7 interface. No idea
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* who had this idea and why. The older interfaces can query and IDirect3D version
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* because they are all created as IDirectDraw(1). This isn't really crucial behavior,
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* and messy to implement with the common creation function, so it has been left out here.
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*/
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else if ( IsEqualGUID( &IID_IDirect3D , refiid ) ||
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IsEqualGUID( &IID_IDirect3D2 , refiid ) ||
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IsEqualGUID( &IID_IDirect3D3 , refiid ) ||
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IsEqualGUID( &IID_IDirect3D7 , refiid ) )
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else if (IsEqualGUID(&IID_IDirect3D3, riid))
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{
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/* Check the surface implementation */
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if (DefaultSurfaceType != WINED3D_SURFACE_TYPE_OPENGL)
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{
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WARN("The app requests a Direct3D interface, but non-opengl surfaces where set in winecfg\n");
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/* Do not abort here, only reject 3D Device creation */
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}
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if ( IsEqualGUID( &IID_IDirect3D , refiid ) )
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{
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This->d3dversion = 1;
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*obj = &This->IDirect3D_iface;
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TRACE(" returning Direct3D interface at %p.\n", *obj);
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}
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else if ( IsEqualGUID( &IID_IDirect3D2 , refiid ) )
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{
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This->d3dversion = 2;
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*obj = &This->IDirect3D2_iface;
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TRACE(" returning Direct3D2 interface at %p.\n", *obj);
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}
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else if ( IsEqualGUID( &IID_IDirect3D3 , refiid ) )
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{
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This->d3dversion = 3;
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*obj = &This->IDirect3D3_iface;
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TRACE(" returning Direct3D3 interface at %p.\n", *obj);
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}
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else if(IsEqualGUID( &IID_IDirect3D7 , refiid ))
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{
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This->d3dversion = 7;
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*obj = &This->IDirect3D7_iface;
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TRACE(" returning Direct3D7 interface at %p.\n", *obj);
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}
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ddraw->d3dversion = 3;
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*out = &ddraw->IDirect3D3_iface;
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TRACE("Returning Direct3D3 interface %p.\n", *out);
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}
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else if (IsEqualGUID(&IID_IDirect3D2, riid))
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{
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ddraw->d3dversion = 2;
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*out = &ddraw->IDirect3D2_iface;
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TRACE("Returning Direct3D2 interface %p.\n", *out);
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}
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else if (IsEqualGUID(&IID_IDirect3D, riid))
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{
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ddraw->d3dversion = 1;
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*out = &ddraw->IDirect3D_iface;
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TRACE("Returning Direct3D interface %p.\n", *out);
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}
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/* Unknown interface */
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else
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{
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ERR("(%p)->(%s, %p): No interface found\n", This, debugstr_guid(refiid), obj);
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wined3d_mutex_unlock();
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WARN("%s not implemented, returning E_NOINTERFACE.\n", debugstr_guid(riid));
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*out = NULL;
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return E_NOINTERFACE;
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}
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IUnknown_AddRef( (IUnknown *) *obj );
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wined3d_mutex_unlock();
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IUnknown_AddRef((IUnknown *)*out);
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return S_OK;
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}
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