[Webkit-unassigned] [Bug 85117] New: vertexAttribPointer needs to reject large negative offsets

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=85117

           Summary: vertexAttribPointer needs to reject large negative
                    offsets
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebGL
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: kbr at google.com
                CC: oliver at apple.com, dino at apple.com, jamesr at chromium.org,
                    zmo at google.com, gman at google.com


The WebGL conformance test conformance/buffers/index-validation.html is now failing because the test was updated to reflect the spec, which is that negative offsets cause an INVALID_VALUE error to be generated.

The test was previously expecting that the large negative offset would be truncated to 32 bits and show up as a positive value.

I am not even sure that WebKit's IDL and binding generators can support long long values passed from JavaScript to C++ right now. That might be the bulk of this fix.

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