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window-actor: Use more conservative paint volume

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We know which part of the window is not obscured, so take advantaged of that
to limit the size of the paint volume that we report.
This commit is contained in:
Adel Gadllah 2013-09-04 19:43:08 +02:00
parent 40163c737c
commit f96dc97c4f
1 changed files with 3 additions and 0 deletions
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3
src/compositor/meta-window-actor.c
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@ -734,6 +734,9 @@ meta_window_actor_get_paint_volume (ClutterActor *actor,
gdk_rectangle_union (&bounds, &shadow_bounds, &bounds);
}
if (priv->unobscured_region)
cairo_region_intersect_rectangle (priv->unobscured_region, &bounds);
origin.x = bounds.x;
origin.y = bounds.y;
origin.z = 0.0f;