Bug 131688

Summary:

Blending broken with overflow:hidden and compositing

Product:

WebKit

Reporter:

Simon Fraser (smfr) <simon.fraser>

Component:

Layout and Rendering

Assignee:

Nobody <webkit-unassigned>

Status:

RESOLVED CONFIGURATION CHANGED

Severity:

Normal

CC:

ahmad.saleem792, cabanier, dino, krit, simon.fraser

Priority:

Version:

528+ (Nightly build)

Hardware:

Unspecified

OS:

Unspecified

Attachments:

Description	Flags
Testcase	none

Simon Fraser (smfr)

Reported 2014-04-15 12:13:58 PDT

Created attachment 229391 [details] Testcase Testcase shows a blending bug with overflow:hidden and compositing.

Attachments
Testcase (847 bytes, text/html) 2014-04-15 12:13 PDT, Simon Fraser (smfr)	no flags	Details
View All Add attachment proposed patch, testcase, etc.

Ahmad Saleem

Comment 1 2023-02-24 09:11:16 PST

@Smfr - using attached test case - STP164 is matching with Chrome Canary 112 & Firefox Nightly 112 and after removing with -webkit-, it is not showing blue but black box. Is this fixed or all browsers are wrong.

Simon Fraser (smfr)

Comment 2 2024-09-23 11:57:30 PDT

This seems to work now, if you use the unprefixed mix-blend-mode.

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