[Beignet] [PATCH v2] utest: add built-in test case for get_global_id.

[Zhigang Gong]

LGTM, pushed, thanks.

On Mon, Jul 22, 2013 at 03:59:42PM +0800, Yi Sun wrote:
> v2. Remove the useless argument in kernel.
> 
> Signed-off-by: Yi Sun <yi.sun at intel.com>
> ---
>  kernels/builtin_global_id.cl |    4 ++
>  utests/CMakeLists.txt        |    1 +
>  utests/builtin_global_id.cpp |   77 ++++++++++++++++++++++++++++++++++++++++++
>  3 files changed, 82 insertions(+), 0 deletions(-)
>  create mode 100644 kernels/builtin_global_id.cl
>  create mode 100644 utests/builtin_global_id.cpp
> 
> diff --git a/kernels/builtin_global_id.cl b/kernels/builtin_global_id.cl
> new file mode 100644
> index 0000000..5b82f9f
> --- /dev/null
> +++ b/kernels/builtin_global_id.cl
> @@ -0,0 +1,4 @@
> +kernel void builtin_global_id( __global int *ret) {
> +  int id = get_global_id(0) + get_global_id(1)*3 + get_global_id(2)*3*4;
> +  ret[id] = id;
> +}
> diff --git a/utests/CMakeLists.txt b/utests/CMakeLists.txt
> index 1cdbd24..97d1506 100644
> --- a/utests/CMakeLists.txt
> +++ b/utests/CMakeLists.txt
> @@ -104,6 +104,7 @@ set (utests_sources
>    builtin_mad_sat.cpp
>    buildin_work_dim.cpp
>    builtin_global_size.cpp
> +  builtin_global_id.cpp
>    runtime_createcontext.cpp
>    runtime_null_kernel_arg.cpp
>    compiler_double.cpp
> diff --git a/utests/builtin_global_id.cpp b/utests/builtin_global_id.cpp
> new file mode 100644
> index 0000000..9601cab
> --- /dev/null
> +++ b/utests/builtin_global_id.cpp
> @@ -0,0 +1,77 @@
> +/*
> +According to the OpenCL v1.1 & v1.2 chapter 6.11.
> +Now define global size as following:
> +  globals[0] = 3;
> +  globals[1] = 4;
> +  globals[2] = 5;
> +
> +Kernel:
> +id = get_global_id(0) + get_global_id(1)*3 + get_global_id(2)*3*4
> +
> +dimension:1
> + 0  1  2
> +dimension:2
> + 0  1  2
> + 3  4  5
> + 6  7  8
> + 9 10 11
> +dimension:3
> + 0  1  2   12 13 14   24 25 26   36 37 38   48 49 50
> + 3  4  5   15 16 17   27 28 29   39 40 41   51 52 53
> + 6  7  8   18 19 20   30 31 32   42 43 44   54 55 56
> + 9 10 11   21 22 23   33 34 35   45 46 47   57 58 59
> +*/
> +
> +#define udebug 0
> +#include "utest_helper.hpp"
> +static void builtin_global_id(void)
> +{
> +
> +  // Setup kernel and buffers
> +  int dim, global_id[80], err, i, buf_len=1;
> +  OCL_CREATE_KERNEL("builtin_global_id");
> +
> +  OCL_CREATE_BUFFER(buf[0], CL_MEM_READ_WRITE, sizeof(int)*80, NULL);
> +  OCL_SET_ARG(0, sizeof(cl_mem), &buf[0]);
> +
> +  for( dim=1; dim <= 3; dim++ )
> +  {
> +    buf_len = 1;
> +    for(i=1; i <= dim; i++)
> +    {
> +      globals[i - 1] = 2 + i;
> +      locals[i - 1] = 2 + i;
> +      buf_len *= 2 + i;
> +    }
> +    for(i=dim+1; i <= 3; i++)
> +    {
> +      globals[i - 1] = 0;
> +      locals[i - 1] = 0;
> +    }
> +
> +    // Run the kernel
> +    OCL_NDRANGE( dim );
> +    clFinish(queue);
> +
> +    err = clEnqueueReadBuffer( queue, buf[0], CL_TRUE, 0, sizeof(int) * buf_len, &global_id, 0, NULL, NULL);
> +
> +    if (err != CL_SUCCESS)
> +    {
> +      printf("Error: Failed to read output array! %d\n", err);
> +      exit(1);
> +    }
> +
> +#if udebug
> +    for(i = 0; i < buf_len; i++)
> +    {
> +      printf("%2d ", global_id[i]);
> +      if ((i + 1) % 3 == 0) printf("\n");
> +    }
> +#endif
> +
> +    for( i = 0; i < buf_len; i++)
> +      OCL_ASSERT( global_id[i] == i);
> +  }
> +}
> +
> +MAKE_UTEST_FROM_FUNCTION(builtin_global_id);
> -- 
> 1.7.6.4
> 
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