i965/skl: Emit extra zeros in 3DSTATE_DS on Skylake.
i965/skl: Emit extra zeros in 3DSTATE_DS on Skylake.

Skylake's 3DSTATE_DS packet has a few more fields; we don't support
domain shaders yet though.

Signed-off-by: Kenneth Graunke <bd2562f754ec92342f93f61c25d731e290a2ffa8@whitecape.org>
Reviewed-by: Kristian Høgsberg <ca9b5b1e27d4fa7f4ba6848bdd08ca52cfd6330c@bitplanet.net>
Reviewed-by: Anuj Phogat <e2026475996c48f0b97fd37e84129b3912980428@gmail.com>

metora/MesaGLSLCompiler,metora/MesaGLSLCompiler,metora/MesaGLSLCompiler