evr/presenter: Return default flags for GetRenderingPrefs().

dlls/evr/presenter.c

@@ -61,6 +61,7 @@ struct video_presenter
     HWND video_window;
     MFVideoNormalizedRect src_rect;
     RECT dst_rect;
+    DWORD rendering_prefs;
     unsigned int state;
     CRITICAL_SECTION cs;
 };
@@ -658,9 +659,18 @@ static HRESULT WINAPI video_presenter_control_SetRenderingPrefs(IMFVideoDisplayC
 
 static HRESULT WINAPI video_presenter_control_GetRenderingPrefs(IMFVideoDisplayControl *iface, DWORD *flags)
 {
-    FIXME("%p, %p.\n", iface, flags);
+    struct video_presenter *presenter = impl_from_IMFVideoDisplayControl(iface);
 
-    return E_NOTIMPL;
+    TRACE("%p, %p.\n", iface, flags);
+
+    if (!flags)
+        return E_POINTER;
+
+    EnterCriticalSection(&presenter->cs);
+    *flags = presenter->rendering_prefs;
+    LeaveCriticalSection(&presenter->cs);
+
+    return S_OK;
 }
 
 static HRESULT WINAPI video_presenter_control_SetFullscreen(IMFVideoDisplayControl *iface, BOOL fullscreen)

dlls/evr/tests/evr.c

@@ -979,6 +979,7 @@ static void test_default_presenter(void)
     HWND hwnd, hwnd2;
     HANDLE handle;
     IUnknown *unk;
+    DWORD flags;
     float rate;
     HRESULT hr;
     GUID iid;
@@ -1016,6 +1017,15 @@ static void test_default_presenter(void)
 
     hr = IMFGetService_GetService(gs, &MR_VIDEO_RENDER_SERVICE, &IID_IMFVideoDisplayControl, (void **)&display_control);
     ok(hr == S_OK, "Unexpected hr %#x.\n", hr);
+
+    hr = IMFVideoDisplayControl_GetRenderingPrefs(display_control, NULL);
+    ok(hr == E_POINTER, "Unexpected hr %#x.\n", hr);
+
+    flags = 123;
+    hr = IMFVideoDisplayControl_GetRenderingPrefs(display_control, &flags);
+    ok(hr == S_OK, "Unexpected hr %#x.\n", hr);
+    ok(!flags, "Unexpected rendering flags %#x.\n", flags);
+
     IMFVideoDisplayControl_Release(display_control);
 
     hr = IMFGetService_GetService(gs, &MR_VIDEO_ACCELERATION_SERVICE, &IID_IDirect3DDeviceManager9, (void **)&dm);