bool IsVarying(TQualifier qualifier) { return IsVaryingIn(qualifier) || IsVaryingOut(qualifier); }
// GLSL ES 1.0.17 4.6.1 The Invariant Qualifier bool CanBeInvariantESSL1(TQualifier qualifier) { return IsVaryingIn(qualifier) || IsVaryingOut(qualifier) || IsBuiltinOutputVariable(qualifier) || (IsBuiltinFragmentInputVariable(qualifier) && qualifier != EvqFrontFacing); }