get_global_id.c


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#include <stdio.h>
#include <stdlib.h>

#include <CL/cl.h>

#include "cl_simple.h"

int main(int argc, char ** argv)
{
   cl_int error;

   struct cl_simple_context context;

   unsigned i;
   int out_data[10];
   size_t global_work_size = 10;

   clSimpleSimpleInit(&context, "global_id");

   clSimpleSetOutputBuffer(&context, sizeof(out_data));

   clSimpleEnqueueNDRangeKernel(context.command_queue,
                              context.kernel,
                              1, &global_work_size, &global_work_size);

   clSimpleReadOutput(&context, out_data, sizeof(out_data));


   for (i = 0; i < 10; i++) {
      fprintf(stderr, "id %u = %u\n", i, out_data[i]);
   }

}