Make the sentinel value for glBindBufferBase whole-buffer binding zero instead of -1, to harmonize with the spec. TRAC #22852 Signed-off-by: Geoff Lang Signed-off-by: Nicolas Capens Author: Jamie Madill git-svn-id: https://angleproject.googlecode.com/svn/branches/es3proto@2284 736b8ea6-26fd-11df-bfd4-992fa37f6226