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9a7484f95c
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>
(cherry picked from commit
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| vfb | ||
| xfree86 | ||
| xnest | ||
| xquartz | ||
| xwayland | ||
| xwin | ||
| meson.build | ||