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Improve composition hit testing performance with per-visual AABBs #21310

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Merged
MrJul merged 13 commits into from
May 19, 2026
Merged

Improve composition hit testing performance with per-visual AABBs #21310

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bc3c5ba
Prototype an AABB tree for hit testing
hez2010 May 4, 2026
a94992b
Some optimizations
hez2010 May 4, 2026
c33ea43
Revert runtime knobs and add tests
hez2010 May 4, 2026
5cd484d
Avoid rebuilding the whole tree
hez2010 May 4, 2026
2feea7a
Revert an invalid optimization
hez2010 May 4, 2026
7cfb16d
Add a hit test page
hez2010 May 4, 2026
7828d6c
Clean up
hez2010 May 4, 2026
a77c393
Format code
hez2010 May 4, 2026
dc094fa
Nit
hez2010 May 4, 2026
3a52b69
Merge branch 'master' into dynamic-aabb-tree
hez2010 May 4, 2026
fa6b049
Use weak CompositionVisual reference in server-side
hez2010 May 5, 2026
2500edc
Bucket composition hit-test AABB tree by child order
hez2010 May 5, 2026
252d107
Use readback revisions for AABB hit-test updates
hez2010 May 15, 2026
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3 changes: 3 additions & 0 deletions samples/RenderDemo/MainWindow.xaml
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Original file line number Diff line number Diff line change
Expand Up @@ -64,6 +64,9 @@
<TabItem Header="Drawing">
<pages:DrawingPage />
</TabItem>
<TabItem Header="Hit Testing">
<pages:HitTestingPage />
</TabItem>
<TabItem Header="SkCanvas">
<pages:CustomSkiaPage />
</TabItem>
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