Avalonia

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Tree: ae6a085ebc

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Author	SHA1	Message	Date
Nikita Tsukanov	ae6a085ebc	Don't tick with render loop when app is idle (#20873 ) * 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>	1 week ago
Nikita Tsukanov	b2ecb21e03	Render target/surface housekeeping (#20811 ) * Render target/surface housekeeping * diff and build * build and stuff * really * Make more APIs private * Apply suggestions from code review Co-authored-by: Julien Lebosquain <julien@lebosquain.net> * Address review comments --------- Co-authored-by: Julien Lebosquain <julien@lebosquain.net>	3 weeks ago
Nikita Tsukanov	697cba7193	Composition system SP1 (#20497 ) * baseline benchmark * Composition system SP1 * Allow reusing the same BitmapCache object for multiple visuals * Fix warnings * Address review * API suppressions --------- Co-authored-by: Julien Lebosquain <julien@lebosquain.net>	2 months ago

Author

SHA1

Message

Date

Nikita Tsukanov

ae6a085ebc

Don't tick with render loop when app is idle (#20873 )

* 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>

1 week ago

Nikita Tsukanov

b2ecb21e03

Render target/surface housekeeping (#20811 )

* Render target/surface housekeeping

* diff and build

* build and stuff

* really

* Make more APIs private

* Apply suggestions from code review

Co-authored-by: Julien Lebosquain <julien@lebosquain.net>

* Address review comments

---------

Co-authored-by: Julien Lebosquain <julien@lebosquain.net>

3 weeks ago

Nikita Tsukanov

697cba7193

Composition system SP1 (#20497 )

* baseline benchmark

* Composition system SP1

* Allow reusing the same BitmapCache object for multiple visuals

* Fix warnings

* Address review

* API suppressions

---------

Co-authored-by: Julien Lebosquain <julien@lebosquain.net>

2 months ago

3 Commits (ae6a085ebcd002f8f4f3a47973dc6217e32261c3)