Add support for GL_UNSIGNED_INT_2_10_10_10_REV textures.

TRAC #22956

Signed-off-by: Jamie Madill
Signed-off-by: Shannon Woods
Author: Geoff Lang

git-svn-id: https://angleproject.googlecode.com/svn/branches/es3proto@2356 736b8ea6-26fd-11df-bfd4-992fa37f6226
6 files changed