Shader and Compiler track uses of gl_FragCoord and gl_FragData and MRT extension usage.

TRAC #22668

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

git-svn-id: https://angleproject.googlecode.com/svn/branches/dx11proto@2022 736b8ea6-26fd-11df-bfd4-992fa37f6226
4 files changed