diff options
| author | David Robillard <d@drobilla.net> | 2020-03-15 14:33:12 +0100 |
|---|---|---|
| committer | David Robillard <d@drobilla.net> | 2020-03-15 14:33:12 +0100 |
| commit | 4693e9ac0b6792e8a6d2af2e46499158bf6b2509 (patch) | |
| tree | 5ece79e5bce91e497d82e270456ed512f7369e14 /pugl | |
| parent | 390f756a37af8f5a2336e43edff8ef345a39743e (diff) | |
| download | pugl-4693e9ac0b6792e8a6d2af2e46499158bf6b2509.tar.gz pugl-4693e9ac0b6792e8a6d2af2e46499158bf6b2509.tar.bz2 pugl-4693e9ac0b6792e8a6d2af2e46499158bf6b2509.zip | |
X11: Read from server if necessary in puglDispatchEvents()
This reduces input lag. The previous approach was an over-optimization: what's
important here is to keep the iteration bounded by not continually flushing,
but we do want to read everything to be as up to date as possible.
Diffstat (limited to 'pugl')
| -rw-r--r-- | pugl/detail/x11.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/pugl/detail/x11.c b/pugl/detail/x11.c index 7b83b38..4747f64 100644 --- a/pugl/detail/x11.c +++ b/pugl/detail/x11.c @@ -744,14 +744,14 @@ puglDispatchEvents(PuglWorld* world) { const PuglX11Atoms* const atoms = &world->impl->atoms; - // Flush just once at the start to fill event queue + // Flush output to the server once at the start Display* display = world->impl->display; XFlush(display); world->impl->dispatchingEvents = true; - // Process all queued events (locally, without flushing or reading) - while (XEventsQueued(display, QueuedAlready) > 0) { + // Process all queued events (without further flushing) + while (XEventsQueued(display, QueuedAfterReading) > 0) { XEvent xevent; XNextEvent(display, &xevent); |