The one obvious omission here is gl_HelperInvocation itself. However, the spec doesn't require that we generate then when gl_HelperInvocation is used, it merely mandates that we report them if they are there. Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com> Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>