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45 lines
1.1 KiB
C
45 lines
1.1 KiB
C
#ifndef _ROOTSTON_OUTPUT_H
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#define _ROOTSTON_OUTPUT_H
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#include <time.h>
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#include <pixman.h>
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#include <wayland-server.h>
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/**
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* Damage tracking requires to keep track of previous frames' damage. To allow
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* damage tracking to work with triple buffering, an history of two frames is
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* required.
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*/
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#define ROOTS_OUTPUT_PREVIOUS_DAMAGE_LEN 2
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struct roots_desktop;
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struct roots_output {
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struct roots_desktop *desktop;
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struct wlr_output *wlr_output;
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struct wl_list link; // roots_desktop:outputs
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struct roots_view *fullscreen_view;
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struct timespec last_frame;
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pixman_region32_t damage;
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bool frame_pending;
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// circular queue for previous damage
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pixman_region32_t previous_damage[ROOTS_OUTPUT_PREVIOUS_DAMAGE_LEN];
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size_t previous_damage_idx;
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struct wl_listener frame;
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struct wl_listener mode;
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struct wl_listener needs_swap;
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};
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void output_add_notify(struct wl_listener *listener, void *data);
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void output_remove_notify(struct wl_listener *listener, void *data);
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void output_damage_whole_view(struct roots_output *output,
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struct roots_view *view);
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void output_damage_from_view(struct roots_output *output,
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struct roots_view *view);
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#endif
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