Add support for various egl Get methods Trac #12375 This patch stores the current READ/DRAW and display in the context and allows these eglGets to work. Original-Author: Jim Hauxwell <james@dattrax.co.uk> Signed-off-by: Nicolas Capens Signed-off-by: Daniel Koch git-svn-id: https://angleproject.googlecode.com/svn/trunk@321 736b8ea6-26fd-11df-bfd4-992fa37f6226