* Don't tick with render loop when app is idle
* Update src/Avalonia.Base/Rendering/Composition/Transport/BatchStreamArrayPool.cs
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
* wip
* wip
* api diff
* fixes
* Address review: clear wakeupPending at tick start, guard CarbonEmissionsHack subscriptions
- Clear _wakeupPending at start of TimerTick so wakeups already processed
by the current tick don't force an unnecessary extra tick
- Guard CarbonEmissionsHack against duplicate subscriptions using a private
attached property
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
* Fix lock-order inversion in Add/Remove vs TimerTick
Move Wakeup() and Stop() calls outside the _items lock in Add/Remove
to prevent deadlock with TimerTick which acquires _timerLock then _items.
Add/Remove are UI-thread-only so the extracted logic remains safe.
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
* Address review: remove unused usings, guard double Stop(), fix SleepLoop extra frame
- Remove unused using directives from IRenderLoopTask.cs
- Guard TimerTick Stop() with _running check to prevent double Stop()
when Remove() already stopped the timer
- SleepLoopRenderTimer: use WaitOne(timeout) instead of Thread.Sleep
so Stop() can interrupt the sleep, and recheck _stopped before Tick
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
* Fix DisplayLinkTimer foreground handler bypassing render loop state
Only resume the display link on WillEnterForeground if the timer was
calling Start() to avoid setting _stopped=false when the render loop
had the timer stopped.
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
* Fix DisplayLinkTimer thread safety, revert global NU5104 suppression
- Stop() now only sets _stopped flag; OnLinkTick() self-pauses the
CADisplayLink from the timer thread to avoid thread-affinity issues
- Revert NU5104 global suppression in SharedVersion.props
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
* Cap _ticksSinceLastCommit to prevent int overflow
Stop incrementing once it reaches CommitGraceTicks to prevent
wrapping negative and keeping the render loop awake indefinitely.
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
* refactor: remove Start/Stop from IRenderTimer, merge into Tick setter
Timer start/stop is now controlled entirely by setting the Tick
property: non-null starts, null stops. This eliminates the explicit
Start()/Stop() methods from IRenderTimer, making the API simpler.
DefaultRenderLoop controls the timer purely through Tick assignment
under its _timerLock. A new _hasItems flag tracks subscriber presence
since Tick is now transient (null when idle).
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
* fix: address review comments on timer thread safety and guards
- ChoreographerTimer: add _frameCallbackActive guard to prevent double
PostFrameCallback from both Tick setter and SubscribeView
- ServerCompositor: cap _ticksSinceLastCommit at int.MaxValue
- SleepLoopRenderTimer: make _tick volatile, remove _stopped recheck
(guard moved to DefaultRenderLoop)
- DefaultRenderLoop: add _running check at tick start to drop late ticks
- ThreadProxyRenderTimer: add lock for internal state manipulation
- DisplayLinkTimer: add lock for all internal state manipulation
- Re-add NU5104 suppression to SharedVersion.props
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
* fix: make _hasItems volatile for cross-thread visibility
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
* fix: guard against redundant starts in DefaultRenderTimer, make _tick volatile across all timers
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
* Remove CarbonEmissionsHack, revert iOS/Android timers to always-ticking
- Delete CarbonEmissionsHack class and its XAML reference
- Revert DisplayLinkTimer (iOS) to original always-ticking implementation
- Revert ChoreographerTimer (Android) to original always-ticking implementation
- Add TODO comments for future start/stop on RenderLoop request
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
* Fix DirectCompositionConnection WaitOne not respecting process exit cancellation
Use WaitHandle.WaitAny with both _wakeEvent and cts.Token.WaitHandle so
the loop can exit when ProcessExit fires while the timer is stopped.
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
* timers
* XML docs
* Cache delegate
---------
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Nikita Tsukanov
ae6a085ebc