Per comment 40 on bug 33416, there are three WebGL test failures on the Snow Leopard bot introduced by this patch because the EXT_packed_depth_stencil extension is unsupported. The tests are incorrect; according to the WebGL spec, it is legal for an implementation to not be able to honor the request for a stencil buffer.
Created attachment 52231 [details] patch
Comment on attachment 52231 [details] patch Someone who actually knows WebGL should do a review here. Or a non-reviewer who knows WebGL could explain why this is right and then I'm happy to r+. :)
Comment on attachment 52231 [details] patch The patch looks good to me. Based on this behavior I think we might want to reconsider some of the rules in the WebGL spec, but this is beyond the scope of this fix.
Comment on attachment 52231 [details] patch Seems reasonable. Thank you for the quick fix.
Comment on attachment 52231 [details] patch Clearing flags on attachment: 52231 Committed r56886: <http://trac.webkit.org/changeset/56886>
All reviewed patches have been landed. Closing bug.