[Webkit-unassigned] [Bug 234230] New: Safari 15: Flicker when creating and displaying textures in render loop

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=234230

            Bug ID: 234230
           Summary: Safari 15: Flicker when creating and displaying
                    textures in render loop
           Product: WebKit
           Version: Safari 15
          Hardware: Mac (Intel)
                OS: macOS 12
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebGL
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: marcus.stenbeck at gmail.com
                CC: dino at apple.com, kbr at google.com, kkinnunen at apple.com

Created attachment 446979

  --> https://bugs.webkit.org/attachment.cgi?id=446979&action=review

example code

When a texture is created and displayed in a render loop using requestAnimationFrame it causes severe flickering between the image and a black frame. 

The end-user solution is of course to prefer creating textures inside the render loop. But this shouldn't be flickering regardless, and other browsers don't have this issue.

https://jsbin.com/wuqivikupo/1/edit?html,output

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