swaybar: don't wl_display_roundtrip on each frame

This was the source of numerous bugs, from hotplug events not being
received to segfaults because wl_display_roundtrip was making the
bar process unplug events while blocking in an iteration over all
outputs.

1 files changed, 0 insertions, 2 deletions

diff --git a/swaybar/render.c b/swaybar/render.c
index 1f2dcc30..26db80cb 100644
--- a/swaybar/render.c
+++ b/swaybar/render.c
@@ -510,7 +510,6 @@ void render_frame(struct swaybar *bar, struct swaybar_output *output) {
                 // TODO: this could infinite loop if the compositor assigns us a
                 // different height than what we asked for
                 wl_surface_commit(output->surface);
-                wl_display_roundtrip(bar->display);
         } else if (height > 0) {
                 // Replay recording into shm and send it off
                 output->current_buffer = get_next_buffer(bar->shm,
@@ -536,7 +535,6 @@ void render_frame(struct swaybar *bar, struct swaybar_output *output) {
                 wl_surface_damage(output->surface, 0, 0,
                                 output->width, output->height);
                 wl_surface_commit(output->surface);
-                wl_display_roundtrip(bar->display);
         }
         cairo_surface_destroy(recorder);
         cairo_destroy(cairo);