Added support for EXT_frag_depth
This change also required that support be added for associating built-in
variables with an extension, similar to how functions could be associated with
extensions previously.
R=alokp@chromium.org
Review URL: https://codereview.appspot.com/9827044
git-svn-id: https://angleproject.googlecode.com/svn/trunk@2248 736b8ea6-26fd-11df-bfd4-992fa37f6226
TRAC #23333
Authored-by: bajones@chromium.org
Signed-off-by: Shannon Woods
Signed-off-by Nicolas Capens
Merged-by: Jamie Madill
19 files changed