--- /dev/null
+/*
+According to the OpenCL v1.1 & v1.2 chapter 6.11, the behavior of function get_local_size should be as following:
+
+ globals[0] = 3;
+ globals[1] = 4;
+ globals[2] = 5;
+ locals[0] = 3;
+ locals[1] = 4;
+ locals[2] = 5;
+
+get_local_size(-1) = 1 (dimension:1)
+get_local_size(0) = 3 (dimension:1)
+get_local_size(1) = 1 (dimension:1)
+get_local_size(2) = 1 (dimension:1)
+
+get_local_size(-1) = 1 (dimension:2)
+get_local_size(0) = 3 (dimension:2)
+get_local_size(1) = 4 (dimension:2)
+get_local_size(2) = 1 (dimension:2)
+get_local_size(3) = 1 (dimension:2)
+
+get_local_size(-1) = 1 (dimension:3)
+get_local_size(0) = 3 (dimension:3)
+get_local_size(1) = 4 (dimension:3)
+get_local_size(2) = 5 (dimension:3)
+get_local_size(3) = 1 (dimension:3)
+get_local_size(4) = 1 (dimension:3)
+
+*/
+#include "utest_helper.hpp"
+#define udebug 0
+
+static void builtin_local_size(void)
+{
+
+ // Setup kernel and buffers
+ int dim, dim_arg_global, local_size, err;
+ OCL_CREATE_KERNEL("builtin_local_size");
+
+ OCL_CREATE_BUFFER(buf[0], CL_MEM_READ_WRITE, sizeof(int), NULL);
+ OCL_CREATE_BUFFER(buf[1], CL_MEM_READ_WRITE, sizeof(int), NULL);
+ OCL_SET_ARG(0, sizeof(cl_mem), &buf[0]);
+ OCL_SET_ARG(1, sizeof(cl_mem), &buf[1]);
+
+ globals[0] = 3;
+ globals[1] = 4;
+ globals[2] = 5;
+ locals[0] = 3;
+ locals[1] = 4;
+ locals[2] = 5;
+
+ for( dim=1; dim <= 3; dim++ )
+ {
+
+ for( dim_arg_global = -1; dim_arg_global <= dim + 1; dim_arg_global++ )
+ {
+
+ err = clEnqueueWriteBuffer( queue, buf[1], CL_TRUE, 0, sizeof(int), &dim_arg_global, 0, NULL, NULL);
+ if (err != CL_SUCCESS)
+ {
+ printf("Error: Failed to write to source array!\n");
+ exit(1);
+ }
+
+ // Run the kernel
+ OCL_NDRANGE( dim );
+
+ err = clEnqueueReadBuffer( queue, buf[0], CL_TRUE, 0, sizeof(int), &local_size, 0, NULL, NULL);
+ if (err != CL_SUCCESS)
+ {
+ printf("Error: Failed to read output array! %d\n", err);
+ exit(1);
+ }
+
+#if udebug
+ printf("get_local_size(%d) = %d (dimension:%d)\n", dim_arg_global, local_size, dim);
+#endif
+ if ( dim_arg_global >= 0 && dim_arg_global < dim)
+ OCL_ASSERT( local_size == dim_arg_global + 3);
+ else
+ {
+ OCL_ASSERT( local_size == 1);
+ }
+ }
+ }
+}
+
+MAKE_UTEST_FROM_FUNCTION(builtin_local_size);