Bug 133178

Summary: [CSS Blending] Black screen for fullscreen video with mix-blend-mode
Product: WebKit Reporter: Mihnea Ovidenie <mihnea>
Component: CSSAssignee: Nobody <webkit-unassigned>
Status: NEW    
Severity: Normal CC: fred.wang
Priority: P2    
Version: 528+ (Nightly build)   
Hardware: Unspecified   
OS: Unspecified   
Bug Depends on:    
Bug Blocks: 95614, 276855    
Attachments:
Description Flags
Testcase archive
none
testcase none

Mihnea Ovidenie
Reported 2014-05-22 07:08:37 PDT
Created attachment 231885 [details] Testcase archive In the attached test case, there is a video element with mix-blend-mode specified. If you put the video element in full screen, the screen becomes black and no video is displayed.
Attachments
Testcase archive (282.78 KB, application/octet-stream)
2014-05-22 07:08 PDT, Mihnea Ovidenie 		no flags
Details
testcase (914 bytes, text/html)
2026-10-12 02:36 PDT, Frédéric Wang Nélar 		no flags
Details
View All Add attachment proposed patch, testcase, etc.
Frédéric Wang Nélar
Comment 1 2026-10-12 02:36:48 PDT
Created attachment 481762 [details] testcase Here is an updated testcases using external resources instead. On Linux the bug still seems valid, but Firefox and Chrome behave the same.
Frédéric Wang Nélar
Comment 2 2026-10-12 02:39:01 PDT
On macos, it's the same as on Linux: the bug shows up in Safari, Firefox and Chrome.
Note You need to log in before you can comment on or make changes to this bug.