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Thread: NDI Scan Converter disables G-SYNC in UWP fullscreen games

  1. #1
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    NDI Scan Converter disables G-SYNC in UWP fullscreen games

    I have noticed an issue where G-SYNC gets disabled when I turn on NDI Scan Converter. It only affects UWP windows games in fullscreen which unfortunately includes the game I play most, Apex Legends.

    To test this I had to enable the G-SYNC overlay in Nvidia Profile Inspector. As soon as I enable Scan Converter (from a stream deck macro), G-SYNC immediately disables. As soon as I kill Scan Converter, G-SYNC enables once again. I noticed that G-SYNC still works with Scan Converter if I play in borderless windowed mode but there is a noticeable stutter.

    Just wanted to shed some light on the issue for devs and see if anyone might have found a workaround? Specs below.

    Monitor:
    ASUS ROG Swift PG27UQ 27" LED 144Hz 4k G-SYNC

    Gaming PC:
    2x RTX 2080 Ti's / i9-9900k

    Encoding / Streaming PC:
    GTX 1070 / i9-9900k

  2. #2
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    Quote Originally Posted by colecodez View Post
    I have noticed an issue where G-SYNC gets disabled when I turn on NDI Scan Converter. It only affects UWP windows games in fullscreen which unfortunately includes the game I play most, Apex Legends.

    To test this I had to enable the G-SYNC overlay in Nvidia Profile Inspector. As soon as I enable Scan Converter (from a stream deck macro), G-SYNC immediately disables. As soon as I kill Scan Converter, G-SYNC enables once again. I noticed that G-SYNC still works with Scan Converter if I play in borderless windowed mode but there is a noticeable stutter.

    Just wanted to shed some light on the issue for devs and see if anyone might have found a workaround? Specs below.

    Monitor:
    ASUS ROG Swift PG27UQ 27" LED 144Hz 4k G-SYNC

    Gaming PC:
    2x RTX 2080 Ti's / i9-9900k

    Encoding / Streaming PC:
    GTX 1070 / i9-9900k
    Yeah noticed the same here too..


    Hope they fix it.

    Regards,
    Shane


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