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actor: Use the real opacity when clearing the stage

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The paint opacity for a top level is always overridden to be the full
value, since it's a composited value and we want to paint our scene.

When clearing the stage framebuffer, though, we want to use the actual
opacity, if ClutterStage:use-alpha is set.
This commit is contained in:
Emmanuele Bassi 2015-04-30 12:40:39 +01:00
parent 21ce9bc08b
commit 8b8aa0b492
1 changed files with 7 additions and 1 deletions
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8
clutter/clutter-actor.c
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@ -3665,13 +3665,19 @@ clutter_actor_paint_node (ClutterActor *actor,
if (clutter_stage_get_use_alpha (CLUTTER_STAGE (actor)))
{
bg_color.alpha = clutter_actor_get_paint_opacity_internal (actor)
bg_color.alpha = priv->opacity
* priv->bg_color.alpha
/ 255;
}
else
bg_color.alpha = 255;
CLUTTER_NOTE (PAINT, "Stage clear color: (%d, %d, %d, %d)",
bg_color.red,
bg_color.green,
bg_color.blue,
bg_color.alpha);
clear_flags = COGL_BUFFER_BIT_DEPTH;
if (!clutter_stage_get_no_clear_hint (CLUTTER_STAGE (actor)))
clear_flags |= COGL_BUFFER_BIT_COLOR;