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galopin's avatar
galopin
Heroic Explorer
10 years ago

Mirroring on the desktop introduce frame drops

Hi, I notice that keeping alive a windowed swap chain introduce a lot of hitches even when the application run fast enough. By skipping the Present call the app run at a smooth 75Hz ( and could ha...
guygodin's avatar
guygodin
Protege
10 years ago
I haven't experienced this issue by rendering a third view with a swap chain to a window. Make sure to call present with a syncInterval of 0 so that it doesn't wait for VSync. Perhaps you can try the latest version of Virtual Desktop and enable "Mirror to Monitor" and see if it works.

In Windows 7 you would get frame tearing but on Win8 and Win10 it is hitch free.