a0717e5f03
After executing a PresentPixmap request using the copy path, Xwayland will clear the vblank's pixmap field and re-queue it for the next msc so that on the next frame a PresentCompleteNotify event will be delivered to the client by present_execute_post. While this does work, since the pixmap field of the vblank will be NULL when present_execute_post is called, the mode reported in the event will always be PresentCompleteModeSkip, even if the request *was* actually executed with a copy. To fix this, we introduce a new "copy_executed" flag in the xwl_present_event struct. If xwl_present_execute sees that this flag is set, it will fall straight through to present_execute_post like it does if the window or pixmap is NULL. So, after executing a request with present_execute_copy, instead of clearing the pixmap field we will set the copy_executed flag to true. This will cause present_execute_post to report the correct completion mode to the client when the PresentCompleteNotify event is delivered on the next frame. Signed-off-by: Erik Kurzinger <ekurzinger@nvidia.com> Part-of: <https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/1254> |
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X Server
The X server accepts requests from client applications to create windows, which are (normally rectangular) "virtual screens" that the client program can draw into.
Windows are then composed on the actual screen by the X server (or by a separate composite manager) as directed by the window manager, which usually communicates with the user via graphical controls such as buttons and draggable titlebars and borders.
For a comprehensive overview of X Server and X Window System, consult the following article: https://en.wikipedia.org/wiki/X_server
All questions regarding this software should be directed at the Xorg mailing list:
https://lists.freedesktop.org/mailman/listinfo/xorg
The primary development code repository can be found at:
https://gitlab.freedesktop.org/xorg/xserver
For patch submission instructions, see:
https://www.x.org/wiki/Development/Documentation/SubmittingPatches
As with other projects hosted on freedesktop.org, X.Org follows its Code of Conduct, based on the Contributor Covenant. Please conduct yourself in a respectful and civilized manner when using the above mailing lists, bug trackers, etc: