backends: Flag that the frame attempted direct scanout
We need this hint whether direct scanout succeeds or fails because it's the mechanism by which we will tell the clock to enforce double buffering, thus making direct scanout possible on future frames. Triple buffering will be disabled until such time that direct scanout is not being attempted. Signed-off-by: Mingi Sung <sungmg@saltyming.net>
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@ -798,6 +798,8 @@ meta_stage_impl_redraw_view (ClutterStageWindow *stage_window,
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{
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g_autoptr (GError) error = NULL;
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clutter_frame_set_hint (frame, CLUTTER_FRAME_HINT_DIRECT_SCANOUT_ATTEMPTED);
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if (meta_stage_impl_scanout_view (stage_impl,
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stage_view,
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scanout,
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