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→Screen synchronisation issue on 120 Hz screens
*Features can get removed, or changed.
*Features can get removed, or changed.
== Screen synchronisation issue on 120 Hz screens ==
== Screen synchronization issue on 120 Hz screens ==
There is a serious synchronization issue where the picture.present() method returns one frame too early. It can be detected by measuring the time between two consecutive present() calls returning:
There is a serious synchronization issue where the picture.present() method returns one frame too early. It can be detected by measuring the time between two consecutive present() calls returning:
Neurobs people seem to [http://www.neurobs.com/menu_support/menu_forums/view_thread?id=9463&expand_all=1 think] it has something to do with triple buffering, but the graph above was created without triple buffering enabled.
Neurobs people seem to [http://www.neurobs.com/menu_support/menu_forums/view_thread?id=9463&expand_all=1 think] it has something to do with triple buffering, but the graph above was created without triple buffering enabled.
[[File:Failsync2.png|400px|none|Difference of arrival times of two consecutive markers (no red bars are hidden)]]