On Windows 7, we should support the same hardware acceleration as the primary graphics card.
However on Windows XP, we only support DirectDraw, no Dx3D support etc. We report that we do not support hardware acceleration to the OS, and applications should fall back to software rendering. However it is possible that this app is just looking at the HW capability of the primary screen and assuming that all screens support hardware acceleration, which is not the case.
Wim
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