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3e4a330ae7
Calculate the frame deadline in ClutterFrameClock's calculate_next_update_time_us() rather than in MetaWaylandCompositor's on_after_update(). The specifics of the deadline calculation for a given frame should be implementation detail of the frame clock and and remain internal to allow extensibility. This extensibility is specifically useful for scenarios where a different deadline calculation is needed due to alternative frame scheduling logic, such as for VRR. No change in behavior. Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/3521>
58 lines
1.8 KiB
C
58 lines
1.8 KiB
C
/*
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* Copyright (C) 2020 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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#pragma once
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#if !defined(__CLUTTER_H_INSIDE__) && !defined(CLUTTER_COMPILATION)
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#error "Only <clutter/clutter.h> can be included directly."
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#endif
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#include "clutter/clutter-frame-clock.h"
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typedef struct _ClutterFrame ClutterFrame;
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#define CLUTTER_TYPE_FRAME (clutter_frame_get_type ())
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CLUTTER_EXPORT
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GType clutter_frame_get_type (void);
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CLUTTER_EXPORT
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ClutterFrame * clutter_frame_ref (ClutterFrame *frame);
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CLUTTER_EXPORT
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void clutter_frame_unref (ClutterFrame *frame);
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CLUTTER_EXPORT
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int64_t clutter_frame_get_count (ClutterFrame *frame);
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CLUTTER_EXPORT
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gboolean clutter_frame_get_target_presentation_time (ClutterFrame *frame,
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int64_t *target_presentation_time_us);
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CLUTTER_EXPORT
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gboolean clutter_frame_get_frame_deadline (ClutterFrame *frame,
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int64_t *frame_deadline_us);
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CLUTTER_EXPORT
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void clutter_frame_set_result (ClutterFrame *frame,
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ClutterFrameResult result);
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CLUTTER_EXPORT
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gboolean clutter_frame_has_result (ClutterFrame *frame);
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G_DEFINE_AUTOPTR_CLEANUP_FUNC (ClutterFrame, clutter_frame_unref)
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