compositor: Add weston_surface_schedule_repaint() for limited repaint
In cases where we know the surface bounding box doesn't change in the
next frame, we can limit redraws to only the outputs the surface is
currently on. We could do even better by forcing the transform
update so we know where the surface will be in the next frame, but
this is a much simpler first step.
diff --git a/src/compositor.c b/src/compositor.c
index 5be5789..faed8f2 100644
--- a/src/compositor.c
+++ b/src/compositor.c
@@ -529,13 +529,23 @@
}
WL_EXPORT void
+weston_surface_schedule_repaint(struct weston_surface *surface)
+{
+ struct weston_output *output;
+
+ wl_list_for_each(output, &surface->compositor->output_list, link)
+ if (surface->output_mask & (1 << output->id))
+ weston_output_schedule_repaint(output);
+}
+
+WL_EXPORT void
weston_surface_damage(struct weston_surface *surface)
{
pixman_region32_union_rect(&surface->damage, &surface->damage,
0, 0, surface->geometry.width,
surface->geometry.height);
- weston_compositor_schedule_repaint(surface->compositor);
+ weston_surface_schedule_repaint(surface);
}
WL_EXPORT void
@@ -662,7 +672,7 @@
wl_fixed_from_int(0));
}
- weston_compositor_schedule_repaint(surface->compositor);
+ weston_surface_schedule_repaint(surface);
}
struct weston_frame_callback {
@@ -1419,8 +1429,7 @@
pixman_region32_union_rect(&es->damage, &es->damage,
x, y, width, height);
-
- weston_compositor_schedule_repaint(es->compositor);
+ weston_surface_schedule_repaint(es);
}
static void
@@ -1500,7 +1509,7 @@
surface->geometry.height);
}
- weston_compositor_schedule_repaint(surface->compositor);
+ weston_surface_schedule_repaint(surface);
}
static const struct wl_surface_interface surface_interface = {
@@ -1758,7 +1767,7 @@
weston_surface_set_position(ws->sprite,
ix - ws->hotspot_x,
iy - ws->hotspot_y);
- weston_compositor_schedule_repaint(ec);
+ weston_surface_schedule_repaint(ws->sprite);
}
}