- cl_int clCreateKernelsInProgram(cl_program program, cl_uint num_kernels, cl_kernel *kernels, cl_uint *num_kernels_ret);
- A program object with a successfully built executable.
- The size of memory pointed to by kernels specified as the number of cl_kernel entries.
- The buffer where the kernel objects for kernels in program will be returned. If kernels is NULL, it is ignored. If kernels is not NULL, num_kernels must be greater than or equal to the number of kernels in program.
- The number of kernels in program. If num_kernels_ret is NULL, it is ignored.
Creates kernel objects for all kernel functions in program. Kernel objects are not created for any functionQualifiers(3clc) functions in program that do not have the same function definition across all devices for which a program executable has been successfully built.
Kernel objects can only be created once you have a program object with a valid program source or binary loaded into the program object and the program executable has been successfully built for one or more devices associated with program. No changes to the program executable are allowed while there are kernel objects associated with a program object. This means that calls to clBuildProgram(3clc) and clCompileProgram(3clc) return CL_INVALID_OPERATION if there are kernel objects attached to a program object. The OpenCL context associated with program will be the context associated with kernel. The list of devices associated with program are the devices associated with kernel. Devices associated with a program object for which a valid program executable has been built can be used to execute kernels declared in the program object.
Returns CL_SUCCESS if the kernel objects are successfully allocated. Otherwise, it returns one of the following errors:
- • CL_INVALID_PROGRAM if program is not a valid program object.
- • CL_INVALID_PROGRAM_EXECUTABLE if there is no successfully built executable for any device in program.
- • CL_INVALID_VALUE if kernels is not NULL and num_kernels is less than the number of kernels in program.
- • 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.
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- page 158, section 5.7.1 - Creating Kernel Objects