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clutter/actor: Split building the transform into a separate function
It'll be used independently by the next commit to ensure ClutterStage has a valid transform set. https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1439
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@ -3145,20 +3145,28 @@ roll_back_pivot:
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/* Applies the transforms associated with this actor to the given
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* matrix. */
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static void
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ensure_valid_actor_transform (ClutterActor *actor)
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{
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ClutterActorPrivate *priv = actor->priv;
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if (priv->transform_valid)
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return;
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CLUTTER_ACTOR_GET_CLASS (actor)->apply_transform (actor, &priv->transform);
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priv->has_inverse_transform =
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cogl_matrix_get_inverse (&priv->transform, &priv->inverse_transform);
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priv->transform_valid = TRUE;
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}
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void
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_clutter_actor_apply_modelview_transform (ClutterActor *self,
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CoglMatrix *matrix)
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{
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ClutterActorPrivate *priv = self->priv;
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if (priv->transform_valid)
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goto out;
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CLUTTER_ACTOR_GET_CLASS (self)->apply_transform (self, &priv->transform);
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priv->transform_valid = TRUE;
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out:
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ensure_valid_actor_transform (self);
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cogl_matrix_multiply (matrix, matrix, &priv->transform);
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}
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