Bug 259061

Summary:

[macOS] Non-zero translateZ() causing layers to be stacked in a incorrect z-order.

Product:

WebKit

Reporter:

Ethan Wong <bunnnywong>

Component:

Layout and Rendering

Assignee:

Nobody <webkit-unassigned>

Status:

NEW

Severity:

Normal

CC:

bfulgham, mattwoodrow, simon.fraser, webkit-bug-importer, zalan

Priority:

Keywords:

InRadar

Version:

Safari 16

Hardware:

Mac (Apple Silicon)

OS:

macOS 13

Attachments:

Description	Flags
A case to reproduce this issue	none
A screenshot of this issue	none

Ethan Wong

Reported 2023-07-10 10:16:27 PDT

Created attachment 467004 [details] A case to reproduce this issue See the attached case and screenshot. This issue could be reproduced on: * WebKit local build * Safari on macOS 13.2.1 (and presumably lower) * Safari Technology Preview up to macOS 13.4.1 Temporarily commenting out `[m_layer setTransform:value]` at `PlatformCALayerCocoa::setTransform(const TransformationMatrix&)` could work-around this issue.

Attachments
A case to reproduce this issue (489 bytes, text/html) 2023-07-10 10:16 PDT, Ethan Wong	no flags	Details
A screenshot of this issue (619.06 KB, image/png) 2023-07-10 10:16 PDT, Ethan Wong	no flags	Details
View All Add attachment proposed patch, testcase, etc.

Ethan Wong

Comment 1 2023-07-10 10:16:54 PDT

Created attachment 467005 [details] A screenshot of this issue

Radar WebKit Bug Importer

Comment 2 2023-07-17 10:17:17 PDT

<rdar://problem/112410900>

Matt Woodrow

Comment 3 2023-08-09 14:31:39 PDT

Have you tried this on Safari on macOS 13.4 or higher? It should be fixed at that point.

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