Bug 260224 - 3D transforms with scaleZ(0) don't get rendered, even when combined with other transforms using preserve-3d
Summary: 3D transforms with scaleZ(0) don't get rendered, even when combined with othe...
Status: NEW
Alias: None
Product: WebKit
Classification: Unclassified
Component: Layout and Rendering (show other bugs)
Version: WebKit Nightly Build
Hardware: Unspecified Unspecified
: P2 Normal
Assignee: Nobody
URL:
Keywords: InRadar
Depends on:
Blocks:
 
Reported: 2023-08-15 15:13 PDT by Matt Woodrow
Modified: 2023-08-17 17:02 PDT (History)
4 users (show)

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Description Matt Woodrow 2023-08-15 15:13:28 PDT 
We only want to cull layers when the final transformation matrix (including all preserve-3d ancestors) has a z scale component of 0, not when any individual element transform has one.

Affected tests:

compositing/geometry/clipped-out-perspective.html
compositing/overlap-blending/opacity-and-infinity.html
imported/w3c/web-platform-tests/css/css-transforms/perspective-split-by-zero-w.html
imported/w3c/web-platform-tests/css/css-transforms/preserve3d-and-filter-with-perspective.html
imported/w3c/web-platform-tests/css/css-transforms/preserve3d-pseudo-element.html
imported/w3c/web-platform-tests/css/css-transforms/transform-table-009.html
imported/w3c/web-platform-tests/css/css-transforms/transform-table-010.html
imported/w3c/web-platform-tests/css/css-transforms/transform-table-011.html
imported/w3c/web-platform-tests/css/css-transforms/transform3d-preserve3d-011.html
Comment 1 Radar WebKit Bug Importer 2023-08-15 15:13:48 PDT 
<rdar://problem/113930861>
Comment 2 EWS 2023-08-17 17:02:52 PDT 
Test gardening commit 267019@main (68366e68d39d): <https://commits.webkit.org/267019@main>

Reviewed commits have been landed. Closing PR #16816 and removing active labels.