Increase the varying register count to what the feature level supports.

TRAC #22243
Signed-off-by: Jamie Madill
Signed-off-by: Daniel Koch
Author: Nicolas Capens

git-svn-id: https://angleproject.googlecode.com/svn/branches/dx11proto@1775 736b8ea6-26fd-11df-bfd4-992fa37f6226
8 files changed