Bug 244845 - [iOS] screen.colorDepth reports incorrect value
Summary: [iOS] screen.colorDepth reports incorrect value
Status: RESOLVED FIXED
Alias: None
Product: WebKit
Classification: Unclassified
Component: Media (show other bugs)
Version: WebKit Nightly Build
Hardware: Unspecified Unspecified
: P2 Normal
Assignee: Anne van Kesteren
URL:
Keywords: InRadar
: 254488 (view as bug list)
Depends on:
Blocks:
 
Reported: 2022-09-06 07:59 PDT by Ali Juma
Modified: 2023-03-30 22:41 PDT (History)
5 users (show)

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Description Ali Juma 2022-09-06 07:59:59 PDT 
On iOS, screen.colorDepth is hard-coded to return 32 (see https://github.com/WebKit/WebKit/blob/main/Source/WebCore/platform/ios/PlatformScreenIOS.mm#L52).

However, according to the spec (https://drafts.csswg.org/cssom-view/#dom-screen-colordepth), the return value is meant to be the number of bits allocated to colors, excluding the alpha channel, so 32 seems generally incorrect.
Comment 1 Radar WebKit Bug Importer 2022-09-13 08:00:19 PDT 
<rdar://problem/99871925>
Comment 2 Alexey Proskuryakov 2023-03-27 15:13:54 PDT 
*** Bug 254488 has been marked as a duplicate of this bug. ***
Comment 3 Anne van Kesteren 2023-03-28 10:44:01 PDT 
Pull request: https://github.com/WebKit/WebKit/pull/12062
Comment 4 EWS 2023-03-30 22:41:46 PDT 
Committed 262386@main (c073b6cbaccd): <https://commits.webkit.org/262386@main>

Reviewed commits have been landed. Closing PR #12062 and removing active labels.