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6c4b897d74
Testing points and rays against boxes is substantially cheaper - in fact, almost trivial - compared to triangles. Check if the actor's paint volume doesn't intersect with the current pick point / ray, and skip recursing altogether in those cases. Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1520>
38 lines
1.4 KiB
C
38 lines
1.4 KiB
C
/*
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* Copyright (C) 2019 Red Hat Inc.
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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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#ifndef CLUTTER_PICK_CONTEXT_PRIVATE_H
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#define CLUTTER_PICK_CONTEXT_PRIVATE_H
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#include "clutter-pick-context.h"
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#include "clutter-pick-stack-private.h"
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ClutterPickContext *
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clutter_pick_context_new_for_view (ClutterStageView *view,
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ClutterPickMode mode,
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const graphene_point3d_t *point,
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const graphene_ray_t *ray);
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ClutterPickStack *
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clutter_pick_context_steal_stack (ClutterPickContext *pick_context);
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gboolean
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clutter_pick_context_intersects_box (ClutterPickContext *pick_context,
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const graphene_box_t *box);
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#endif /* CLUTTER_PICK_CONTEXT_PRIVATE_H */
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