/* This Source Code Form is subject to the terms of the Mozilla Public *License,v.2.0.IfacopyoftheMPLwasnotdistributedwiththis
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
//! Cutouts patterns act a mask on top of already rendered content. //! //! Their main purpose is to "punch a hole" in the current layer so that //! an underlay layer can be seen through it. //! The clip chain controls the shape of the mask. When rendering the //! cutout, opaque white means pixels will be fully masked, transparent //! black means pixels will be shown, and values in between represent //! different levels of transparency.
// TODO: Cutouts are applied to the destination layer entirely in the alpha // pass, the fully masked segments could be drawn in the opaque pass.
// TODO: Currently, complex masks for cutouts are drawn into intermediate // surfaces using the same logic as regular patterns. They could be drawn // directly into the the destination layer.
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