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NAME

       clCreateKernel - Creates a kernel object.

       cl_kernel clCreateKernel(cl_program program, const char *kernel_name,
                                cl_int *errcode_ret);

PARAMETERS

        program
           A program object with a successfully built executable.

        kernel_name
           A function name in the program declared with the __kernel qualifier

        errcode_ret
           Returns an appropriate error code. If errcode_ret is NULL, no error code is returned.

NOTES

       A kernel is a function declared in a program. A kernel is identified by the
       functionQualifiers(3clc) qualifier applied to any function in a program. A kernel object
       encapsulates the specific __kernel function declared in a program and the argument values
       to be used when executing this __kernel function.

ERRORS

       clCreateKernel returns a valid non-zero kernel object and errcode_ret is set to CL_SUCCESS
       if the kernel object is created successfully. Otherwise, it returns a NULL value with one
       of the following error values returned in errcode_ret:

       ·   CL_INVALID_PROGRAM if program is not a valid program object.

       ·   CL_INVALID_PROGRAM_EXECUTABLE if there is no successfully built executable for
           program.

       ·   CL_INVALID_KERNEL_NAME if kernel_name is not found in program.

       ·   CL_INVALID_KERNEL_DEFINITION if the function definition for __kernel function given by
           kernel_name such as the number of arguments, the argument types are not the same for
           all devices for which the program executable has been built.

       ·   CL_INVALID_VALUE if kernel_name is NULL.

       ·   CL_OUT_OF_RESOURCES if there is a failure to allocate resources required by the OpenCL
           implementation on the device.

       ·   CL_OUT_OF_HOST_MEMORY if there is a failure to allocate resources required by the
           OpenCL implementation on the host.

SPECIFICATION

       OpenCL Specification[1]

SEE ALSO

       clCreateKernelsInProgram(3clc), clRetainKernel(3clc), clReleaseKernel(3clc),
       clSetKernelArg(3clc), clGetKernelInfo(3clc), clGetKernelWorkGroupInfo(3clc),
       classDiagram(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 157, section 5.7.1 - Creating Kernel Objects