[Webkit-unassigned] [Bug 170854] New: checkFramebufferStatus returns incorrect enum

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=170854

            Bug ID: 170854
           Summary: checkFramebufferStatus returns incorrect enum
           Product: WebKit
           Version: Safari 10
          Hardware: Macintosh
                OS: macOS 10.12
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebGL
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: kdmitrenko at gmail.com
                CC: dino at apple.com

Created attachment 307126

  --> https://bugs.webkit.org/attachment.cgi?id=307126&action=review

Test page

http://jsbin.com/dagikonove/edit?js,console (also attached).

On that page Safari Version 10.1 (12603.1.30.0.34) and 10.1 (10603.1.30.0.34) print "8cdb" as a return value of checkFramebufferStatus, but there's not enum in WebGL. Chrome, FF on same machines give "8cd5" which is FRAMEBUFFER_COMPLETE and Edge on Win10 (somewhat unexpectedly) gives "8cdd" which is FRAMEBUFFER_UNSUPPORTED.

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