Adds new functions to support load*Data for DX11-supported formats

TRAC #22294

Author: Shannon Woods
Signed-off-by: Geoff Lang
Signed-off-by: Nicolas Capens

git-svn-id: https://angleproject.googlecode.com/svn/branches/dx11proto@1617 736b8ea6-26fd-11df-bfd4-992fa37f6226
3 files changed