> I use Windows XP for this. > > If the D3DPRESENT_INTERVAL_ONE issue is really the problem, can this be changed > globally for the ATI card or for DirectX?
I'm afraid there's nothing that can be done. Well of course you can force v-sync off from the control panel but that defeats your purpose.
Anyway, in case you wanted to test, I can compile a MAME binary that bypasses the normal D3D flip method by manually waiting for v-sync and then using D3DPRESENT_IMMEDIATE. Do you need 32 or 64 bits?
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