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an attempt at atomic arrange

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Currently freezes rendering with clients that ignore our size demands,
but it seems to eliminate resize flicker for well-behaved programs.
This commit is contained in:
Devin J. Pohly 2020-07-26 01:09:26 -04:00
parent e2887f2cfd
commit 5b917ec3ed
1 changed files with 17 additions and 0 deletions
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17
dwl.c
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@ -1214,6 +1214,8 @@ void
rendermon(struct wl_listener *listener, void *data) rendermon(struct wl_listener *listener, void *data)
{ {
struct wlr_output *output = data; struct wlr_output *output = data;
Client *c;
int defer = 0;
/* This function is called every time an output is ready to display a frame, /* This function is called every time an output is ready to display a frame,
* generally at the output's refresh rate (e.g. 60Hz). */ * generally at the output's refresh rate (e.g. 60Hz). */
@ -1222,6 +1224,21 @@ rendermon(struct wl_listener *listener, void *data)
struct timespec now; struct timespec now;
clock_gettime(CLOCK_MONOTONIC, &now); clock_gettime(CLOCK_MONOTONIC, &now);
wl_list_for_each(c, &stack, slink) {
if (c->xdg_surface->role != WLR_XDG_SURFACE_ROLE_TOPLEVEL)
continue;
if (c->xdg_surface->toplevel->server_pending.width !=
c->xdg_surface->surface->current.width ||
c->xdg_surface->toplevel->server_pending.height !=
c->xdg_surface->surface->current.height) {
defer = 1;
/* Lie */
wlr_surface_send_frame_done(c->xdg_surface->surface, &now);
}
}
if (defer)
return;
/* wlr_output_attach_render makes the OpenGL context current. */ /* wlr_output_attach_render makes the OpenGL context current. */
if (!wlr_output_attach_render(m->wlr_output, NULL)) if (!wlr_output_attach_render(m->wlr_output, NULL))
return; return;