#include <clc/clc.h>
_CLC_DEF uint get_group_id(uint dim)
{
switch(dim) {
case 0: return __builtin_r600_read_tgid_x();
case 1: return __builtin_r600_read_tgid_y();
case 2: return __builtin_r600_read_tgid_z();
default: return 1;
}