Keith Packard <[email protected]> writes: > When Async mode was added, regular old Sync mode for copies was broken > -- it ended up getting executed immediately, causing tearing. > > [PATCH 1/3] present: Handle PresentOptionAsync for copy mode > > Patch 04e138846e left flips on the per-window queue after they'd been > sent to the hardware. This let them match new requests for the same > MSC value and caused the pending flip pixmap to be marked as idle and > re-used by applications, generating quite the damage on the > screen. Only visible with vblank_mode=0 though. > > [PATCH 2/3] present: Don't abandon presents which are already queued > > Present is supposed to tell applications when their request never made > it to the screen because it was replaced with a more recent request > for the same MSC, but the code wasn't ever actually sending it. > > [PATCH 3/3] present: Set complete notify mode to Skip as needed
Sorry to have pushed these without review, but they were all 'minor' and Present was pretty broken without them. I figured the potential regressions from this were non-existent as Present is a new feature. a68df14..2eb9915 master -> master -- [email protected]
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