[Webkit-unassigned] [Bug 97400] New: Implement OES_element_index_uint / WEBKIT_OES_element_index_uint

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=97400

           Summary: Implement OES_element_index_uint /
                    WEBKIT_OES_element_index_uint
           Product: WebKit
           Version: 420+
          Platform: All
        OS/Version: All
            Status: UNCONFIRMED
          Severity: Enhancement
          Priority: P2
         Component: WebGL
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: rmnoon at gmail.com


Out of the box, OpenGL ES 2 lacks the ability to use index buffers to index into VBOs with more than 2^16 elements (see http://www.khronos.org/opengles/sdk/docs/man/xhtml/glDrawElements.xml).  The extension OES_element_index_uint adds support for using unsigned integers, thereby supporting VBOs with 2^32 elements.  This is an important extension and is supported on desktop-class hardware and was added to iOS 5.

The WebGL spec is here:
http://www.khronos.org/registry/webgl/extensions/OES_element_index_uint/

The specification has been upgraded to Draft status, and thus may now be implemented by browsers under vendor-specific names.  The name for this extension in WebKit is WEBKIT_OES_element_index_uint.

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