We need the continue CS for referencing the tess/GDS/sample position BOs.
Fixes: 46e52df3 "radv: add tessellation ring allocation support. (v2)" Fixes: e1dc3ab7 "radv/gfx10: allocate GDS/OA buffer objects for NGG streamout" Fixes: 1171b304 "radv: overhaul fragment shader sample positions."