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nitpicker: fix stale pixels in request-fb mode

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When nitpicker is used as nitpicker client as is the case for Sculpt's
Leitzentrale, the time to sleep was tracked wrongly. The fb sync stays
alive only if a refresh operation is actually issued.

Issue #5347
Issue #5356
This commit is contained in:
Norman Feske 2024-10-21 16:03:11 +02:00 committed by Christian Helmuth
parent 135a866ec0
commit 5f4e1db576
1 changed files with 4 additions and 1 deletions
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5
repos/os/src/server/nitpicker/main.cc
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@ -494,6 +494,8 @@ struct Nitpicker::Main : Focus_updater, Hover_updater,
dirty_rect.flush([&] (Rect const &rect) {
_main._view_stack.draw(_screen, rect); });
bool const any_pixels_refreshed = !_dirty_rect.empty();
/* flush pixels to the framebuffer, reset dirty_rect */
_dirty_rect.flush([&] (Rect const &rect) {
_fb.refresh(rect); });
@ -502,7 +504,8 @@ struct Nitpicker::Main : Focus_updater, Hover_updater,
for (Gui_session *s = _main._session_list.first(); s; s = s->next())
s->submit_sync();
_previous_sync = _main._now();
if (any_pixels_refreshed)
_previous_sync = _main._now();
}
Framebuffer_screen(Env &env, Main &main) : _env(env), _main(main)