Fix clearing the geometry shader state in copytexture, and errors generated by a BGRA backbuffer format. TRAC #22545 Signed-off-by: Geoff Lang Signed-off-by: Nicolas Capens Author: Jamie Madill git-svn-id: https://angleproject.googlecode.com/svn/branches/dx11proto@1893 736b8ea6-26fd-11df-bfd4-992fa37f6226