Do not broadcast output of gl_FragColor to all attached render targets when using a GLES 3.0 context. TRAC #22704 Signed-off-by: Geoff Lang Signed-off-by: Shannon Woods Author: Jamie Madill git-svn-id: https://angleproject.googlecode.com/svn/branches/es3proto@2102 736b8ea6-26fd-11df-bfd4-992fa37f6226