ztenghui b4dabadd89 Preparing the new GL depth test.
Right now, the code is just copied from ApiDemos for the initial setup.

Change-Id: I531f95faca744c7e91fadae189818af3d04a85ee
2014-06-30 13:11:40 -07:00
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2014-06-30 13:11:40 -07:00