Description
cl_khr_ adds built-in OpenCL C functions with the ability
to collect and operate on ballots from work items in a sub-group.
See the Sub-Group Ballots section of the OpenCL C specification for more information.
Summary of New OpenCL C Functions
// These functions are available to devices supporting
// cl_khr_subgroup_ballot:
gentype sub_group_non_uniform_broadcast( gentype value, uint index )
gentype sub_group_broadcast_first( gentype value )
uint4 sub_group_ballot( int predicate )
int sub_group_inverse_ballot( uint4 value )
int sub_group_ballot_bit_extract( uint4 value, uint index )
uint sub_group_ballot_bit_count( uint4 value )
uint sub_group_ballot_inclusive_scan( uint4 value )
uint sub_group_ballot_exclusive_scan( uint4 value )
uint sub_group_ballot_find_lsb( uint4 value )
uint sub_group_ballot_find_msb( uint4 value )
uint4 get_sub_group_eq_mask()
uint4 get_sub_group_ge_mask()
uint4 get_sub_group_gt_mask()
uint4 get_sub_group_le_mask()
uint4 get_sub_group_lt_mask()Document Notes
For more information, see the OpenCL Specification
This page is a generated document. Fixes and changes should be made to the generator scripts, not directly.