1 //
2 // Copyright (c) 2017 The Khronos Group Inc.
3 //
4 // Licensed under the Apache License, Version 2.0 (the "License");
5 // you may not use this file except in compliance with the License.
6 // You may obtain a copy of the License at
7 //
8 // http://www.apache.org/licenses/LICENSE-2.0
9 //
10 // Unless required by applicable law or agreed to in writing, software
11 // distributed under the License is distributed on an "AS IS" BASIS,
12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 // See the License for the specific language governing permissions and
14 // limitations under the License.
15 //
16 #include "harness/compat.h"
17
18 #include <stdio.h>
19 #include <stdlib.h>
20 #include <string.h>
21 #include <sys/types.h>
22 #include <sys/stat.h>
23 #include "harness/rounding_mode.h"
24
25 #include "procs.h"
26
27 static const char *global_linear_id_2d_code =
28 "__kernel void test_global_linear_id_2d(global int *dst)\n"
29 "{\n"
30 " int tid_x = get_global_id(0);\n"
31 " int tid_y = get_global_id(1);\n"
32 "\n"
33 " int linear_id = tid_y * get_global_size(0) + tid_x;\n"
34 " int result = (linear_id == (int)get_global_linear_id()) ? 0x1 : 0x0;\n"
35 " dst[linear_id] = result;\n"
36 "}\n";
37
38 static const char *global_linear_id_1d_code =
39 "__kernel void test_global_linear_id_1d(global int *dst)\n"
40 "{\n"
41 " int tid_x = get_global_id(0);\n"
42 "\n"
43 " int result = (tid_x == (int)get_global_linear_id()) ? 0x1 : 0x0;\n"
44 " dst[tid_x] = result;\n"
45 "}\n";
46
47
48 static int
verify_global_linear_id(int * result,int n)49 verify_global_linear_id(int *result, int n)
50 {
51 int i;
52 for (i=0; i<n; i++)
53 {
54 if (result[i] == 0)
55 {
56 log_error("get_global_linear_id failed\n");
57 return -1;
58 }
59 }
60 log_info("get_global_linear_id passed\n");
61 return 0;
62 }
63
64
65 int
test_global_linear_id(cl_device_id device,cl_context context,cl_command_queue queue,int num_elements)66 test_global_linear_id(cl_device_id device, cl_context context, cl_command_queue queue, int num_elements)
67 {
68 cl_mem streams;
69 cl_program program[2];
70 cl_kernel kernel[2];
71
72 int *output_ptr;
73 size_t threads[2];
74 int err;
75 num_elements = (int)sqrt((float)num_elements);
76 int length = num_elements * num_elements;
77
78 output_ptr = (int *)malloc(sizeof(int) * length);
79
80 streams = clCreateBuffer(context, CL_MEM_READ_WRITE, length * sizeof(int),
81 NULL, &err);
82 test_error( err, "clCreateBuffer failed.");
83
84 err = create_single_kernel_helper(context, &program[0], &kernel[0], 1,
85 &global_linear_id_1d_code,
86 "test_global_linear_id_1d");
87 test_error( err, "create_single_kernel_helper failed");
88 err = create_single_kernel_helper(context, &program[1], &kernel[1], 1,
89 &global_linear_id_2d_code,
90 "test_global_linear_id_2d");
91 test_error( err, "create_single_kernel_helper failed");
92
93 err = clSetKernelArg(kernel[0], 0, sizeof streams, &streams);
94 test_error( err, "clSetKernelArgs failed.");
95 err = clSetKernelArg(kernel[1], 0, sizeof streams, &streams);
96 test_error( err, "clSetKernelArgs failed.");
97
98 threads[0] = (size_t)num_elements;
99 threads[1] = (size_t)num_elements;
100 err = clEnqueueNDRangeKernel(queue, kernel[1], 2, NULL, threads, NULL, 0, NULL, NULL);
101 test_error( err, "clEnqueueNDRangeKernel failed.");
102
103 err = clEnqueueReadBuffer(queue, streams, CL_TRUE, 0, length*sizeof(int), output_ptr, 0, NULL, NULL);
104 test_error( err, "clEnqueueReadBuffer failed.");
105
106 err = verify_global_linear_id(output_ptr, length);
107
108 threads[0] = (size_t)num_elements;
109 err = clEnqueueNDRangeKernel(queue, kernel[1], 1, NULL, threads, NULL, 0, NULL, NULL);
110 test_error( err, "clEnqueueNDRangeKernel failed.");
111
112 err = clEnqueueReadBuffer(queue, streams, CL_TRUE, 0, num_elements*sizeof(int), output_ptr, 0, NULL, NULL);
113 test_error( err, "clEnqueueReadBuffer failed.");
114
115 err = verify_global_linear_id(output_ptr, num_elements);
116
117 // cleanup
118 clReleaseMemObject(streams);
119 clReleaseKernel(kernel[0]);
120 clReleaseKernel(kernel[1]);
121 clReleaseProgram(program[0]);
122 clReleaseProgram(program[1]);
123 free(output_ptr);
124
125 return err;
126 }
127