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fix flickering when resizing/spawning windows

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Fixes: https://github.com/djpohly/dwl/issues/306
This commit is contained in:
Palanix 2022-08-31 06:11:07 +02:00 committed by Leonardo Hernández Hernández
parent fac3b6f2cf
commit 017bb7d752
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GPG Key ID: E538897EE11B9624
2 changed files with 21 additions and 23 deletions
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15
client.h
View File

@ -197,6 +197,21 @@ client_is_mapped(Client *c)
return c->surface.xdg->mapped; return c->surface.xdg->mapped;
} }
static inline int
client_is_rendered_on_mon(Client *c, Monitor *m)
{
/* This is needed for when you don't want to check formal assignment,
* but rather actual displaying of the pixels.
* Usually VISIBLEON suffices and is also faster. */
struct wlr_surface_output *s;
if (!c->scene->node.enabled)
return 0;
wl_list_for_each(s, &client_surface(c)->current_outputs, link)
if (s->output == m->wlr_output)
return 1;
return 0;
}
static inline int static inline int
client_is_unmanaged(Client *c) client_is_unmanaged(Client *c)
{ {

29
dwl.c
View File

@ -182,7 +182,6 @@ struct Monitor {
unsigned int tagset[2]; unsigned int tagset[2];
double mfact; double mfact;
int nmaster; int nmaster;
int un_map; /* If a map/unmap happened on this monitor, then this should be true */
}; };
typedef struct { typedef struct {
@ -1393,8 +1392,6 @@ mapnotify(struct wl_listener *listener, void *data)
} }
printstatus(); printstatus();
c->mon->un_map = 1;
unset_fullscreen: unset_fullscreen:
m = c->mon ? c->mon : xytomon(c->geom.x, c->geom.y); m = c->mon ? c->mon : xytomon(c->geom.x, c->geom.y);
wl_list_for_each(w, &clients, link) wl_list_for_each(w, &clients, link)
@ -1693,30 +1690,19 @@ rendermon(struct wl_listener *listener, void *data)
* generally at the output's refresh rate (e.g. 60Hz). */ * generally at the output's refresh rate (e.g. 60Hz). */
Monitor *m = wl_container_of(listener, m, frame); Monitor *m = wl_container_of(listener, m, frame);
Client *c; Client *c;
int skip = 0;
struct timespec now; struct timespec now;
clock_gettime(CLOCK_MONOTONIC, &now);
/* Render if no XDG clients have an outstanding resize and are visible on /* Render if no XDG clients have an outstanding resize and are visible on
* this monitor. */ * this monitor. */
/* Checking m->un_map for every client is not optimal but works */ wl_list_for_each(c, &clients, link)
wl_list_for_each(c, &clients, link) { if (client_is_rendered_on_mon(c, m) && (!c->isfloating && c->resize))
if ((c->resize && m->un_map) || (c->type == XDGShell goto skip;
&& (c->surface.xdg->pending.geometry.width != if (!wlr_scene_output_commit(m->scene_output))
c->surface.xdg->current.geometry.width
|| c->surface.xdg->pending.geometry.height !=
c->surface.xdg->current.geometry.height))) {
/* Lie */
wlr_surface_send_frame_done(client_surface(c), &now);
skip = 1;
}
}
if (!skip && !wlr_scene_output_commit(m->scene_output))
return; return;
skip:
/* Let clients know a frame has been rendered */ /* Let clients know a frame has been rendered */
clock_gettime(CLOCK_MONOTONIC, &now);
wlr_scene_output_send_frame_done(m->scene_output, &now); wlr_scene_output_send_frame_done(m->scene_output, &now);
m->un_map = 0;
} }
void void
@ -2281,9 +2267,6 @@ unmapnotify(struct wl_listener *listener, void *data)
grabc = NULL; grabc = NULL;
} }
if (c->mon)
c->mon->un_map = 1;
if (client_is_unmanaged(c)) { if (client_is_unmanaged(c)) {
if (c == exclusive_focus) if (c == exclusive_focus)
exclusive_focus = NULL; exclusive_focus = NULL;