Add new GLSL ES 3.0 built-in constants and split off 1.0 ones.

TRAC #22863
Signed-off-by: Jamie Madill
Signed-off-by: Shannon Woods
Author: Nicolas Capens

git-svn-id: https://angleproject.googlecode.com/svn/branches/es3proto@2274 736b8ea6-26fd-11df-bfd4-992fa37f6226
5 files changed