ff246a2dc8
It will be used to schedule Wayland frame events independently from both update and presentation time, as the former may happen multiple times frame and the later not at all. For frame events we want a timing that is just late enough to ensure that a following commit by a Wayland client will not get included into the current frame any more. Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/2823>
116 lines
2.7 KiB
C
116 lines
2.7 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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#include "clutter/clutter-frame-private.h"
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G_DEFINE_BOXED_TYPE (ClutterFrame, clutter_frame,
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clutter_frame_ref,
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clutter_frame_unref)
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ClutterFrame *
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clutter_frame_ref (ClutterFrame *frame)
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{
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g_ref_count_inc (&frame->ref_count);
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return frame;
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}
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void
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clutter_frame_unref (ClutterFrame *frame)
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{
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if (g_ref_count_dec (&frame->ref_count))
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{
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if (frame->release)
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frame->release (frame);
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g_free (frame);
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}
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}
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gpointer
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(clutter_frame_new) (size_t size,
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ClutterFrameRelease release)
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{
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ClutterFrame *frame;
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g_assert (size >= sizeof (ClutterFrame));
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frame = g_malloc0 (size);
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g_ref_count_init (&frame->ref_count);
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frame->release = release;
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return frame;
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}
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int64_t
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clutter_frame_get_count (ClutterFrame *frame)
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{
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return frame->frame_count;
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}
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gboolean
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clutter_frame_get_target_presentation_time (ClutterFrame *frame,
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int64_t *target_presentation_time_us)
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{
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if (frame->has_target_presentation_time)
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{
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*target_presentation_time_us = frame->target_presentation_time_us;
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return TRUE;
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}
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else
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{
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return FALSE;
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}
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}
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gboolean
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clutter_frame_get_min_render_time_allowed (ClutterFrame *frame,
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int64_t *min_render_time_allowed_us)
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{
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if (frame->has_target_presentation_time)
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{
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*min_render_time_allowed_us = frame->min_render_time_allowed_us;
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return TRUE;
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}
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else
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{
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return FALSE;
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}
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}
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ClutterFrameResult
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clutter_frame_get_result (ClutterFrame *frame)
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{
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g_return_val_if_fail (frame->has_result, CLUTTER_FRAME_RESULT_IDLE);
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return frame->result;
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}
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gboolean
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clutter_frame_has_result (ClutterFrame *frame)
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{
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return frame->has_result;
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}
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void
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clutter_frame_set_result (ClutterFrame *frame,
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ClutterFrameResult result)
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{
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g_warn_if_fail (!frame->has_result);
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frame->result = result;
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frame->has_result = TRUE;
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}
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