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550f09a5e7
When taking the scanout path we still want to clear the redraw-clip from the stage-view in order to ensure we skip frames in `handle_frame_clock_frame()` if no new redraw-clip was recorded. This was not done previously as the accumulated redraw-clip was needed for the next repaint, likely under the assumption that scheduling a scanout repeatedly would be computationally cost-free. This assumption does not hold in a VRR world. In order to archive both, an accumulated redraw-clip for the next paint and frame-skipping during scanout, introduce new API to defer and accumulate redraw-clips until the next repaint. Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/2480>
91 lines
3.5 KiB
C
91 lines
3.5 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_STAGE_VIEW_PRIVATE_H__
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#define __CLUTTER_STAGE_VIEW_PRIVATE_H__
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#include "clutter/clutter-stage-view.h"
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#include "clutter/clutter-types.h"
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CLUTTER_EXPORT
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void clutter_stage_view_after_paint (ClutterStageView *view,
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cairo_region_t *redraw_clip);
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CLUTTER_EXPORT
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void clutter_stage_view_before_swap_buffer (ClutterStageView *view,
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const cairo_region_t *swap_region);
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gboolean clutter_stage_view_is_dirty_viewport (ClutterStageView *view);
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void clutter_stage_view_invalidate_viewport (ClutterStageView *view);
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void clutter_stage_view_set_viewport (ClutterStageView *view,
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float x,
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float y,
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float width,
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float height);
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gboolean clutter_stage_view_is_dirty_projection (ClutterStageView *view);
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void clutter_stage_view_invalidate_projection (ClutterStageView *view);
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void clutter_stage_view_set_projection (ClutterStageView *view,
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const graphene_matrix_t *matrix);
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CLUTTER_EXPORT
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void clutter_stage_view_add_redraw_clip (ClutterStageView *view,
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const cairo_rectangle_int_t *clip);
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gboolean clutter_stage_view_has_full_redraw_clip (ClutterStageView *view);
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gboolean clutter_stage_view_has_redraw_clip (ClutterStageView *view);
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const cairo_region_t * clutter_stage_view_peek_redraw_clip (ClutterStageView *view);
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CLUTTER_EXPORT
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cairo_region_t * clutter_stage_view_take_redraw_clip (ClutterStageView *view);
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CLUTTER_EXPORT
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cairo_region_t * clutter_stage_view_take_accumulated_redraw_clip (ClutterStageView *view);
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CLUTTER_EXPORT
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void clutter_stage_view_accumulate_redraw_clip (ClutterStageView *view);
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CLUTTER_EXPORT
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CoglScanout * clutter_stage_view_take_scanout (ClutterStageView *view);
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CLUTTER_EXPORT
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void clutter_stage_view_transform_rect_to_onscreen (ClutterStageView *view,
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const cairo_rectangle_int_t *src_rect,
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int dst_width,
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int dst_height,
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cairo_rectangle_int_t *dst_rect);
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CLUTTER_EXPORT
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void clutter_stage_view_schedule_update (ClutterStageView *view);
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CLUTTER_EXPORT
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void clutter_stage_view_notify_presented (ClutterStageView *view,
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ClutterFrameInfo *frame_info);
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CLUTTER_EXPORT
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void clutter_stage_view_notify_ready (ClutterStageView *view);
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void clutter_stage_view_invalidate_input_devices (ClutterStageView *view);
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#endif /* __CLUTTER_STAGE_VIEW_PRIVATE_H__ */
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