Commit 06098890abb48bf02b1fc77c67ed373ce2268151

alokp@chromium.org 2010-08-26T19:36:42

Allow derivative functions if derivative extension is enabled. I still need to add validation for "#extension GL_OES_standard_derivatives : enable". BUG=25 Review URL: http://codereview.appspot.com/1965045 git-svn-id: https://angleproject.googlecode.com/svn/trunk@403 736b8ea6-26fd-11df-bfd4-992fa37f6226