Neurobs Presentation: Difference between revisions
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m →Screen synchronisation issue on 120 Hz screens: repair links |
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*Features can get removed, or changed. | *Features can get removed, or changed. | ||
== Screen | == 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: | ||
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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)]] | |||