Avoid laying out grid items and generating fragments if only inline size is requested#34352
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nicoburns merged 2 commits intoservo:mainfrom Nov 25, 2024
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🔨 Triggering try run (#11982964845) for Linux WPT |
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Test results for linux-wpt-layout-2020 from try job (#11982964845): Flaky unexpected result (25)
Stable unexpected results that are known to be intermittent (10)
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✨ Try run (#11982964845) succeeded. |
Signed-off-by: Nico Burns <nico@nicoburns.com>
Signed-off-by: Nico Burns <nico@nicoburns.com>
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Loirooriol
approved these changes
Nov 25, 2024
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This is a simple optimisation that integrates Taffy's
RunModewith Servo'scompute_inline_sizes. And should mean that calls tocompute_inline_sizeson a Grid container inlayout_2020are optimised similar to other layout modes (do not perform a full layout, and are cached for subsequent calls)Taffy's
RunModeis defined as:Where:
ComputeSizeindicates a request for a size only (can be either aninlineorblocksize -axisindicates which).PerformLayoutindicates a request for a full recursive layout (generating sizes, positions and baselines for all descendents).Taffy's API probably ought to change to split this out into separate methods at some point. But for the time being this gets us the performance optimisation without having to change Taffy's API.
./mach build -ddoes not report any errors./mach test-tidydoes not report any errors