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NAME

       clIcdGetPlatformIDsKHR - Obtain the list of platforms accessible through the Khronos ICD
       Loader.

       cl_int clIcdGetPlatformIDsKHR(cl_uint num_entries, cl_platform_id *platforms,
                                     cl_uint *num_platforms);

PARAMETERS

       num_entries
           The number of cl_platform_id entries that can be added to platforms. If platforms is
           not NULL, then num_entries must be greater than zero.

       platforms
           Returns a list of OpenCL platforms available for access through the Khronos ICD
           Loader. The cl_platform_id values returned in platforms are ICD compatible and can be
           used to identify a specific OpenCL platform. If the platforms argument is NULL, then
           this argument is ignored. The number of OpenCL platforms returned is the minimum of
           the value specified by num_entries or the number of OpenCL platforms available.

       num_platforms
           Returns the number of OpenCL platforms available. If num_platforms is NULL, then this
           argument is ignored.

NOTES

       This function is enabled by the cl_khr_icd(3clc) extension.

ERRORS

       Returns CL_SUCCESS if the function is executed successfully. Otherwise, it returns the
       following:

       •   CL_PLATFORM_NOT_FOUND_KHR if zero platforms are available.

       •   CL_INVALID_VALUE if num_entries is equal to zero and platforms is not NULL or if both
           num_platforms and platforms are NULL.

SPECIFICATION

       OpenCL Specification[1]

SEE ALSO

       clGetPlatformIDs(3clc), cl_khr_icd(3clc)

AUTHORS

       The Khronos Group

COPYRIGHT

       Copyright © 2007-2011 The Khronos Group Inc.
       Permission is hereby granted, free of charge, to any person obtaining a copy of this
       software and/or associated documentation files (the "Materials"), to deal in the Materials
       without restriction, including without limitation the rights to use, copy, modify, merge,
       publish, distribute, sublicense, and/or sell copies of the Materials, and to permit
       persons to whom the Materials are furnished to do so, subject to the condition that this
       copyright notice and permission notice shall be included in all copies or substantial
       portions of the Materials.

NOTES

        1. OpenCL Specification
           page 116, section 9.12.9 - Additions to chapter 4...