1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
|
#include <iostream>
#include <cstdlib>
#include "test_builtins.h"
#include "CL/cl.h"
#include <stdint.h>
const char sampler_source[] =
"__kernel void test_case(__global uint *rs, sampler_t sampler) {\n"
" sampler_t good_sampler = CLK_NORMALIZED_COORDS_TRUE |\n"
" CLK_ADDRESS_MIRRORED_REPEAT |\n"
" CLK_FILTER_NEAREST;\n"
"\n"
" if (sampler != good_sampler) *rs = 1;\n"
"}\n";
const char barrier_source[] =
"__kernel void test_case(__global uint *rs) {\n"
" *rs = 0;\n"
" int i; for (i=0; i<3; i++) barrier(0);\n"
" *rs += 1;\n"
"}\n";
enum TestCaseKind
{
NormalKind,
SamplerKind,
BarrierKind
};
/*
* To ease testing, each kernel will be a Task kernel taking a pointer to an
* integer and running built-in functions. If an error is encountered, the
* integer pointed to by the arg will be set accordingly. If the kernel succeeds,
* this integer is set to 0.
*/
static uint32_t run_kernel(const char *source, TestCaseKind kind)
{
cl_platform_id platform = 0;
cl_device_id device;
cl_context ctx;
cl_command_queue queue;
cl_program program;
cl_int result;
cl_kernel kernel;
cl_event event;
cl_mem rs_buf;
cl_sampler sampler;
uint32_t rs = 0;
result = clGetDeviceIDs(platform, CL_DEVICE_TYPE_DEFAULT, 1, &device, 0);
if (result != CL_SUCCESS) return 65536;
ctx = clCreateContext(0, 1, &device, 0, 0, &result);
if (result != CL_SUCCESS) return 65537;
queue = clCreateCommandQueue(ctx, device, 0, &result);
if (result != CL_SUCCESS) return 65538;
program = clCreateProgramWithSource(ctx, 1, &source, 0, &result);
if (result != CL_SUCCESS) return 65539;
result = clBuildProgram(program, 1, &device, "", 0, 0);
if (result != CL_SUCCESS)
{
// Print log
char *log = 0;
size_t len = 0;
clGetProgramBuildInfo(program, device, CL_PROGRAM_BUILD_LOG, 0, 0, &len);
log = (char *)std::malloc(len);
clGetProgramBuildInfo(program, device, CL_PROGRAM_BUILD_LOG, len, log, 0);
std::cout << log << std::endl;
std::free(log);
return 65540;
}
kernel = clCreateKernel(program, "test_case", &result);
if (result != CL_SUCCESS) return 65541;
// Create the result buffer
rs_buf = clCreateBuffer(ctx, CL_MEM_READ_WRITE | CL_MEM_USE_HOST_PTR,
sizeof(rs), &rs, &result);
if (result != CL_SUCCESS) return 65542;
result = clSetKernelArg(kernel, 0, sizeof(cl_mem), &rs_buf);
if (result != CL_SUCCESS) return 65543;
// Kind
switch (kind)
{
case NormalKind:
break;
case SamplerKind:
sampler = clCreateSampler(ctx, 1, CL_ADDRESS_MIRRORED_REPEAT, CL_FILTER_NEAREST, &result);
if (result != CL_SUCCESS) return 65546;
result = clSetKernelArg(kernel, 1, sizeof(cl_sampler), &sampler);
if (result != CL_SUCCESS) return 65547;
break;
default:
break;
}
if (kind == BarrierKind)
{
size_t local_size = 64;
size_t global_size = 64;
result = clEnqueueNDRangeKernel(queue, kernel, 1, 0, &global_size,
&local_size, 0, 0, &event);
if (result != CL_SUCCESS) return 65544;
}
else
{
result = clEnqueueTask(queue, kernel, 0, 0, &event);
if (result != CL_SUCCESS) return 65544;
}
result = clWaitForEvents(1, &event);
if (result != CL_SUCCESS) return 65545;
if (kind == SamplerKind) clReleaseSampler(sampler);
clReleaseEvent(event);
clReleaseMemObject(rs_buf);
clReleaseKernel(kernel);
clReleaseProgram(program);
clReleaseCommandQueue(queue);
clReleaseContext(ctx);
return rs;
}
static const char *default_error(uint32_t errcode)
{
switch (errcode)
{
case 0:
return 0;
case 65536:
return "Cannot get a device ID";
case 65537:
return "Cannot create a context";
case 65538:
return "Cannot create a command queue";
case 65539:
return "Cannot create a program with given source";
case 65540:
return "Cannot build the program";
case 65541:
return "Cannot create the test_case kernel";
case 65542:
return "Cannot create a buffer holding a uint32_t";
case 65543:
return "Cannot set kernel argument";
case 65544:
return "Cannot enqueue the kernel";
case 65545:
return "Cannot wait for the event";
case 65546:
return "Cannot create a sampler";
case 65547:
return "Cannot set a sampler kernel argument";
default:
return "Unknown error code";
}
}
START_TEST (test_sampler)
{
uint32_t rs = run_kernel(sampler_source, SamplerKind);
const char *errstr = 0;
switch (rs)
{
case 1:
errstr = "Sampler bitfield invalid";
break;
default:
errstr = default_error(rs);
}
fail_if(
errstr != 0,
errstr
);
}
END_TEST
START_TEST (test_barrier)
{
uint32_t rs = run_kernel(barrier_source, BarrierKind);
fail_if(
rs != 0x40,
default_error(rs)
);
}
END_TEST
TCase *cl_builtins_tcase_create(void)
{
TCase *tc = NULL;
tc = tcase_create("builtins");
tcase_add_test(tc, test_sampler);
tcase_add_test(tc, test_barrier);
return tc;
}
|
