[Webkit-unassigned] [Bug 232169] New: iOS15 Internal error compiling shader with Metal backend.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=232169

            Bug ID: 232169
           Summary: iOS15 Internal error compiling shader with Metal
                    backend.
           Product: WebKit
           Version: Safari 15
          Hardware: iPhone / iPad
                OS: Other
            Status: NEW
          Severity: Blocker
          Priority: P2
         Component: WebGL
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: spreadpando at gmail.com
                CC: dino at apple.com, kbr at google.com, kkinnunen at apple.com

Production iOS 15 throws:
"THREE.WebGLProgram: shader error:  1281 35715 false gl.getProgramInfoLog Internal error compiling shader with Metal backend"

When using aframe particle-system component.

Unresolved as of 10/22/21
Github Issue:
https://github.com/IdeaSpaceVR/aframe-particle-system-component/issues/61

note the error codes do not seem to be consistent, but using the particle-system component will cause crashes or blatant shader glitches in iOS15.

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