Decorate all GLSL user-defined names with an underscore to avoid name clashes TRAC #11314 Signed-off-by: Andrew Lewycky Signed-off-by: Daniel Koch Author: Nicolas Capens git-svn-id: https://angleproject.googlecode.com/svn/trunk@143 736b8ea6-26fd-11df-bfd4-992fa37f6226