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We were only using it to allow quick bitset comparisons of sets of outputs (such as view->outputs). We can maintain our own bit IDs for this purpose and avoid using the private wlroots field. Note: from my reading of wlr_scene_output_create(), it appears to always take the lowest unused index, resulting in aggressive re-use of index values when outputs are disconnected and reconnected. I've tried to make re-use as infrequent as possible. This could theoretically reduce the chance of a mix-up in view_update_outputs(), although I'm not aware of any practical scenario where it matters. v2: prevent adding more than 64 outputs
93 lines
2.9 KiB
C
93 lines
2.9 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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#ifndef LABWC_OUTPUT_H
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#define LABWC_OUTPUT_H
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#include <wlr/types/wlr_output.h>
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#include "common/edge.h"
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#define LAB_NR_LAYERS (4)
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struct output {
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struct wl_list link; /* server.outputs */
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struct server *server;
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struct wlr_output *wlr_output;
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struct wlr_output_state pending;
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struct wlr_scene_output *scene_output;
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struct wlr_scene_tree *layer_tree[LAB_NR_LAYERS];
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struct wlr_scene_tree *layer_popup_tree;
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struct wlr_scene_tree *osd_tree;
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struct wlr_scene_tree *session_lock_tree;
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struct wlr_scene_buffer *workspace_osd;
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struct osd_scene {
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struct wl_list items; /* struct osd_item */
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struct wlr_scene_tree *tree;
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} osd_scene;
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/* In output-relative scene coordinates */
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struct wlr_box usable_area;
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struct wl_list regions; /* struct region.link */
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struct wl_listener destroy;
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struct wl_listener frame;
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struct wl_listener request_state;
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/*
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* Unique power-of-two ID used in bitsets such as view->outputs.
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* (This assumes there are never more than 64 outputs connected
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* at once; wlr_scene_output has a similar limitation.)
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*
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* There's currently no attempt to maintain the same ID if the
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* same physical output is disconnected and reconnected.
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* However, IDs do get reused eventually if enough outputs are
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* disconnected and connected again.
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*/
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uint64_t id_bit;
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bool gamma_lut_changed;
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};
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#undef LAB_NR_LAYERS
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void output_init(struct server *server);
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void output_finish(struct server *server);
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struct output *output_from_wlr_output(struct server *server,
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struct wlr_output *wlr_output);
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struct output *output_from_name(struct server *server, const char *name);
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struct output *output_nearest_to(struct server *server, int lx, int ly);
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struct output *output_nearest_to_cursor(struct server *server);
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/**
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* output_get_adjacent() - get next output, in a given direction,
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* from a given output
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*
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* @output: reference output
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* @edge: direction in which to look for the nearest output
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* @wrap: if true, wrap around at layout edge
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*
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* Note: if output is NULL, the output nearest the cursor will be used as the
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* reference instead.
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*/
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struct output *output_get_adjacent(struct output *output,
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enum lab_edge edge, bool wrap);
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bool output_is_usable(struct output *output);
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void output_update_usable_area(struct output *output);
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void output_update_all_usable_areas(struct server *server, bool layout_changed);
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bool output_get_tearing_allowance(struct output *output);
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struct wlr_box output_usable_area_in_layout_coords(struct output *output);
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void handle_output_power_manager_set_mode(struct wl_listener *listener,
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void *data);
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void output_enable_adaptive_sync(struct output *output, bool enabled);
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/**
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* Notifies whether a fullscreen view is displayed on the given output.
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* Depending on user config, this may enable/disable adaptive sync.
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*
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* Does nothing if output is NULL or disabled.
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*/
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void output_set_has_fullscreen_view(struct output *output,
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bool has_fullscreen_view);
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#endif // LABWC_OUTPUT_H
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