Mir

Comment 0 for bug 1378326

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Kevin DuBois (kdub) wrote : overlays are not displayed onscreen in some positions

Some positioning of overlays causes the driver to accept the layer as an overlay, and then not display it onscreen. This only affects the "'other device'", and seems to be a driver problem.

How to reproduce:
1) Position a 500x500 window at 0,0
2) Position a 400x400 window at 0,0

The appearance of the smaller window will cause the first to disappear, when on other devices, both are displayed with the smaller window on top of the larger window. The driver accepts one of the layers as an overlay, and then fails to display it.