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Bug 1786247 [Wayland] Implement Vsync idle callback and fire reduced vsync events if nsWindow is hidden r=rmader

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Differential Revision: https://phabricator.services.mozilla.com/D159039
This commit is contained in:
stransky 2022-10-13 08:41:35 +00:00
parent 75dff6ba15
commit 908d87c7c4
1 changed files with 21 additions and 0 deletions
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21
widget/gtk/WaylandVsyncSource.cpp
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@ -248,6 +248,27 @@ void WaylandVsyncSource::SetupFrameCallback(const MutexAutoLock& aProofOfLock) {
void WaylandVsyncSource::IdleCallback() {
LOG("WaylandVsyncSource::IdleCallback");
MutexAutoLock lock(mMutex);
if (!mVsyncEnabled || !mMonitorEnabled) {
// We are unwanted by either our creator or our consumer, so we just stop
// here without setting up a new frame callback.
LOG(" quit, mVsyncEnabled %d mMonitorEnabled %d", mVsyncEnabled,
mMonitorEnabled);
return;
}
guint duration = static_cast<guint>(
(TimeStamp::Now() - mLastVsyncTimeStamp).ToMilliseconds());
if (duration >= VSYNC_IDLE_TIMEOUT) {
LOG(" fire idle vsync");
CalculateVsyncRate(lock, TimeStamp::Now());
mLastVsyncTimeStamp = TimeStamp::Now();
MutexAutoUnlock unlock(mMutex);
NotifyVsync(mLastVsyncTimeStamp, mLastVsyncTimeStamp + GetVsyncRate());
}
}
void WaylandVsyncSource::FrameCallback(uint32_t aTime) {