Bug 181317

Summary: WebGL alpha:false seems to be compositied incorrectly
Product: WebKit Reporter: Gregg Tavares <gman>
Component: WebGLAssignee: Nobody <webkit-unassigned>
Status: RESOLVED FIXED    
Severity: Normal CC: achristensen, dino, kdmitrenko, simon.fraser, webkit-bug-importer
Priority: P2 Keywords: InRadar
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   

Gregg Tavares
Reported 2018-01-04 21:24:32 PST
Safari 11.0.2 and 11.1 Technology Preview v48 seems to composite WebGL canvases incorrectly if alpha:false Here's an example https://jsfiddle.net/greggman/2rk7pmx3/ In Safari all 5 canvases come out different colors but they should all be the same color. See Firefox and Chrome
Attachments
Radar WebKit Bug Importer
Comment 1 2018-01-05 20:31:36 PST
Kirill S. Dmitrenko
Comment 2 2018-01-10 00:33:06 PST
Gregg Tavares
Comment 3 2019-06-10 23:12:31 PDT
Tested on MacOS 10.14.5 and iOS 12.3.1. Seems fixed
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