#include <clc/clc.h> _CLC_DEF _CLC_OVERLOAD 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; } }