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85f173d0d7
Although they're in the same units, `radius` is easier to understand than `sigma` and makes the public API independent of the blur algorithm used behind the scenes. We now only keep the `sigma` terminology where the implementation is Gaussian-specific. The assumption that `sigma = radius / 2.0` is actually not new here. We just move it from `_st_create_shadow_pipeline` (gnome-shell!1905) into `clutter_blur_new`. Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1908>
38 lines
1.1 KiB
C
38 lines
1.1 KiB
C
/*
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* Copyright (C) 2020 Endless OS Foundation, LLC
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <glib-object.h>
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#include "cogl/cogl.h"
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G_BEGIN_DECLS
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typedef struct _ClutterBlur ClutterBlur;
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ClutterBlur * clutter_blur_new (CoglTexture *texture,
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float radius);
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void clutter_blur_apply (ClutterBlur *blur);
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CoglTexture * clutter_blur_get_texture (ClutterBlur *blur);
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void clutter_blur_free (ClutterBlur *blur);
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G_END_DECLS
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