[Webkit-unassigned] [Bug 242408] New: getFramebufferAttachmentParameter returns incorrect back buffer color sizes

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Wed Jul 6 12:42:22 PDT 2022


https://bugs.webkit.org/show_bug.cgi?id=242408

            Bug ID: 242408
           Summary: getFramebufferAttachmentParameter returns incorrect
                    back buffer color sizes
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebGL
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: lexa.knyazev at gmail.com
                CC: dino at apple.com, kbr at google.com, kkinnunen at apple.com

Requesting FRAMEBUFFER_ATTACHMENT_{RED/GREEN/BLUE/ALPHA}_SIZE on the default backbuffer always returns zero because of an unintended side-effect of validateDefaultFramebufferAttachment.

This is partly covered by conformance2/state/gl-object-get-calls.html, which is suppressed because of other failures.

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