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  • #31
    Originally posted by tildearrow View Post

    Mesa does have that functionality since 2013 (https://phoronix.com/scan.php?page=news_item&px=MTU0NDE), [...]
    That never landed (unfortunately, Michael tends to report on patches which were merely submitted for review as if they were already landing). Even if Mesa starts supporting this in the future (should be pretty easy to implement with DRI3/Present), it'll be disabled by default, unless enabled by the application via the GLX_EXT_swap_control_tear extension (or by the user via driconf).

    Is this about a particular application? It sounds like it doesn't measure frame times properly, causing it to use wildly varying animation steps between frames. If you have a test case demonstrating a Mesa bug, please file a bug report at https://bugs.freedesktop.org/enter_bug.cgi?product=Mesa .

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