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#include "test_mem.h"
#include "CL/cl.h"
#include <stdio.h>
START_TEST (test_create_buffer)
{
cl_context ctx;
cl_mem buf;
cl_int result;
char s[] = "Hello, world !";
ctx = clCreateContextFromType(0, CL_DEVICE_TYPE_CPU, 0, 0, &result);
fail_if(
result != CL_SUCCESS,
"unable to create a valid context"
);
buf = clCreateBuffer(0, CL_MEM_READ_WRITE, sizeof(s), 0, &result);
fail_if(
result != CL_INVALID_CONTEXT,
"0 is not a valid context"
);
buf = clCreateBuffer(ctx, 1337, sizeof(s), 0, &result);
fail_if(
result != CL_INVALID_VALUE,
"1337 is not a valid cl_mem_flags"
);
buf = clCreateBuffer(ctx, CL_MEM_USE_HOST_PTR, sizeof(s), 0, &result);
fail_if(
result != CL_INVALID_HOST_PTR,
"host_ptr cannot be NULL if flags is CL_MEM_USE_HOST_PTR"
);
buf = clCreateBuffer(ctx, CL_MEM_COPY_HOST_PTR, sizeof(s), 0, &result);
fail_if(
result != CL_INVALID_HOST_PTR,
"host_ptr cannot be NULL if flags is CL_MEM_COPY_HOST_PTR"
);
buf = clCreateBuffer(ctx, 0, sizeof(s), s, &result);
fail_if(
result != CL_INVALID_HOST_PTR,
"host_ptr must be NULL if flags is not CL_MEM_{COPY/USE}_HOST_PTR"
);
buf = clCreateBuffer(ctx, CL_MEM_USE_HOST_PTR, 0, s, &result);
fail_if(
result != CL_INVALID_BUFFER_SIZE,
"size cannot be 0"
);
buf = clCreateBuffer(ctx, CL_MEM_READ_WRITE | CL_MEM_COPY_HOST_PTR,
sizeof(s), s, &result);
fail_if(
result != CL_SUCCESS,
"cannot create a valid CL_MEM_COPY_HOST_PTR read-write buffer"
);
clReleaseMemObject(buf);
clReleaseContext(ctx);
}
END_TEST
START_TEST (test_create_sub_buffer)
{
cl_context ctx;
cl_mem buf, subbuf;
cl_int result;
char s[] = "Hello, world !";
cl_buffer_region create_info; // "Hello, [world] !"
create_info.origin = 7;
create_info.size = 5;
ctx = clCreateContextFromType(0, CL_DEVICE_TYPE_CPU, 0, 0, &result);
fail_if(
result != CL_SUCCESS,
"unable to create a valid context"
);
buf = clCreateBuffer(ctx, CL_MEM_WRITE_ONLY | CL_MEM_USE_HOST_PTR,
sizeof(s), s, &result);
fail_if(
result != CL_SUCCESS,
"cannot create a valid CL_MEM_USE_HOST_PTR read-write buffer"
);
subbuf = clCreateSubBuffer(0, CL_MEM_WRITE_ONLY,
CL_BUFFER_CREATE_TYPE_REGION,
(void *)&create_info, &result);
fail_if(
result != CL_INVALID_MEM_OBJECT,
"0 is not a valid mem object"
);
subbuf = clCreateSubBuffer(buf, CL_MEM_READ_ONLY,
CL_BUFFER_CREATE_TYPE_REGION,
(void *)&create_info, &result);
fail_if(
result != CL_INVALID_VALUE,
"READ_ONLY is not compatible with WRITE_ONLY"
);
subbuf = clCreateSubBuffer(buf, CL_MEM_WRITE_ONLY, 1337, (void *)&create_info,
&result);
fail_if(
result != CL_INVALID_VALUE,
"1337 is not a valid buffer_create_type"
);
subbuf = clCreateSubBuffer(buf, CL_MEM_WRITE_ONLY,
CL_BUFFER_CREATE_TYPE_REGION, 0, &result);
fail_if(
result != CL_INVALID_VALUE,
"buffer_create_info cannot be NULL"
);
create_info.size = 0;
subbuf = clCreateSubBuffer(buf, CL_MEM_WRITE_ONLY,
CL_BUFFER_CREATE_TYPE_REGION,
(void *)&create_info, &result);
fail_if(
result != CL_INVALID_BUFFER_SIZE,
"create_info.size cannot be 0"
);
create_info.size = 5;
subbuf = clCreateSubBuffer(buf, CL_MEM_WRITE_ONLY,
CL_BUFFER_CREATE_TYPE_REGION,
(void *)&create_info, &result);
fail_if(
result != CL_SUCCESS || subbuf == 0,
"cannot create a valid sub-buffer"
);
subbuf = clCreateSubBuffer(subbuf, CL_MEM_WRITE_ONLY,
CL_BUFFER_CREATE_TYPE_REGION,
(void *)&create_info, &result);
fail_if(
result != CL_INVALID_MEM_OBJECT,
"we cannot create a sub-buffer of a sub-buffer"
);
clReleaseMemObject(subbuf);
clReleaseMemObject(buf);
clReleaseContext(ctx);
}
END_TEST
START_TEST (test_read_write_subbuf)
{
cl_context ctx;
cl_mem buf, subbuf;
cl_command_queue queue;
cl_device_id device;
cl_int result;
char s[] = "Hello, Denis !";
cl_buffer_region create_info = { // "Hello, [denis] !"
.origin = 7,
.size = 5
};
result = clGetDeviceIDs(0, CL_DEVICE_TYPE_CPU, 1, &device, 0);
fail_if(
result != CL_SUCCESS,
"cannot get a device"
);
ctx = clCreateContext(0, 1, &device, 0, 0, &result);
fail_if(
result != CL_SUCCESS,
"unable to create a valid context"
);
queue = clCreateCommandQueue(ctx, device, 0, &result);
fail_if(
result != CL_SUCCESS || queue == 0,
"cannot create a command queue"
);
buf = clCreateBuffer(ctx, CL_MEM_WRITE_ONLY | CL_MEM_COPY_HOST_PTR,
sizeof(s), s, &result);
fail_if(
result != CL_SUCCESS,
"cannot create a valid CL_MEM_USE_HOST_PTR read-write buffer"
);
subbuf = clCreateSubBuffer(buf, CL_MEM_WRITE_ONLY,
CL_BUFFER_CREATE_TYPE_REGION,
(void *)&create_info, &result);
fail_if(
result != CL_SUCCESS || subbuf == 0,
"cannot create a valid sub-buffer"
);
////
char *hostptr;
char *valid_hostptr = s;
valid_hostptr += create_info.origin;
result = clGetMemObjectInfo(subbuf, CL_MEM_HOST_PTR, sizeof(char *),
(void *)&hostptr, 0);
fail_if(
result != CL_SUCCESS || hostptr != valid_hostptr,
"the host ptr of a subbuffer must point to a subportion of its parent buffer"
);
result = clEnqueueWriteBuffer(queue, subbuf, 1, 0, 5, "world", 0, 0, 0);
fail_if(
result != CL_SUCCESS,
"unable to write to the sub buffer"
);
char data[16];
result = clEnqueueReadBuffer(queue, subbuf, 1, 0, 5, data, 0, 0, 0);
fail_if(
result != CL_SUCCESS,
"unable to read the sub buffer"
);
fail_if(
strncmp(data, "world", 5),
"the subbuffer must contain \"world\""
);
result = clEnqueueReadBuffer(queue, buf, 1, 0, sizeof(s), data, 0, 0, 0);
fail_if(
result != CL_SUCCESS,
"unable to read the buffer"
);
fail_if(
strncmp(data, "Hello, world !", sizeof(s)),
"the buffer must contain \"Hello, world !\""
);
clReleaseMemObject(subbuf);
clReleaseMemObject(buf);
clReleaseContext(ctx);
}
END_TEST
TCase *cl_mem_tcase_create(void)
{
TCase *tc = NULL;
tc = tcase_create("mem");
tcase_add_test(tc, test_create_buffer);
tcase_add_test(tc, test_create_sub_buffer);
tcase_add_test(tc, test_read_write_subbuf);
return tc;
}
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