[Webkit-unassigned] [Bug 244289] New: WebGLRenderingContextBase::readPixels should allow null pixels on the IDL level

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=244289

            Bug ID: 244289
           Summary: WebGLRenderingContextBase::readPixels should allow
                    null pixels on the IDL level
           Product: WebKit
           Version: Other
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebGL
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: kkinnunen at apple.com
                CC: dino at apple.com, kbr at google.com, kkinnunen at apple.com
            Blocks: 222812

WebGLRenderingContextBase::readPixels should allow null pixels on the IDL level (including the .idl file) and emit INVALID_VALUE with an appropriate message instead of failing with JS TypeError.

Tested in https://github.com/KhronosGroup/WebGL/pull/3486


Referenced Bugs:

https://bugs.webkit.org/show_bug.cgi?id=222812
[Bug 222812] WebGL2 conformance test failures on Mac/iOS
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