gen12_emit_pipe_control
cs = gen12_emit_pipe_control(cs,
cs = gen12_emit_pipe_control(cs, bit_group_0, bit_group_1,
cs = gen12_emit_pipe_control(cs, 0,
cs = gen12_emit_pipe_control(cs, PIPE_CONTROL0_HDC_PIPELINE_FLUSH, flags, 0);