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#include <stdio.h>
#include <stdlib.h>
#include <CL/cl.h>
#include "cl_util.h"
int main(int argc, char ** argv)
{
/* this is safe, as with no parameters argv[1] is NULL */
const char * kernel_name = argv[1];
int arg0, arg1, expected, result;
cl_int error;
cl_device_id device_id;
cl_context context;
cl_command_queue command_queue;
cl_kernel kernel;
cl_mem out_buffer;
int out_value = 0;
size_t global_work_size = 1;
if (argc != 5) {
fprintf(stderr, "Usage: %s arg0 arg1 expected_value\n", argv[0]);
return EXIT_FAILURE;
}
/* Parse command line args */
arg0 = atoi(argv[2]);
arg1 = atoi(argv[3]);
expected = atoi(argv[4]);
if (!clSimpleInitGpuDevice(&device_id)) {
return EXIT_FAILURE;
}
context = clCreateContext(NULL, /* Properties */
1, /* Number of devices */
&device_id, /* Device pointer */
NULL, /* Callback for reporting errors */
NULL, /* User data to pass to error callback */
&error); /* Error code */
if (error != CL_SUCCESS) {
fprintf(stderr, "clCreateContext() failed: %s\n", clUtilErrorString(error));
return EXIT_FAILURE;
}
fprintf(stderr, "clCreateContext() succeeded.\n");
command_queue = clCreateCommandQueue(context,
device_id,
0, /* Command queue properties */
&error); /* Error code */
if (error != CL_SUCCESS) {
fprintf(stderr, "clCreateCommandQueue() failed: %s\n",
clUtilErrorString(error));
return EXIT_FAILURE;
}
fprintf(stderr, "clCreateCommandQueue() succeeded.\n");
if (!clSimpleCreateKernel(context, device_id, &kernel, kernel_name)) {
return EXIT_FAILURE;
}
out_buffer = clCreateBuffer(context,
CL_MEM_WRITE_ONLY, /* Flags */
sizeof(int), /* Size of buffer */
NULL, /* Pointer to the data */
&error); /* error code */
if (error != CL_SUCCESS) {
fprintf(stderr, "clCreateBuffer() failed: %s\n", clUtilErrorString(error));
return EXIT_FAILURE;
}
fprintf(stderr, "clCreateBuffer() succeeded.\n");
if ( !clSimpleKernelSetArg(kernel, 0, sizeof(cl_mem), &out_buffer)
|| !clSimpleKernelSetArg(kernel, 1, sizeof(int), &arg0)
|| !clSimpleKernelSetArg(kernel, 2, sizeof(int), &arg1)) {
return EXIT_FAILURE;
}
if(!clSimpleEnqueueNDRangeKernel(command_queue,
kernel,
1, /* Number of dimensions */
&global_work_size,
&global_work_size)) { /* local work size */
return EXIT_FAILURE;
}
fprintf(stderr, "clEnqueueNDRangeKernel() suceeded.\n");
error = clEnqueueReadBuffer(command_queue,
out_buffer,
CL_TRUE, /* TRUE means it is a blocking read. */
0, /* Buffer offset to read from. */
sizeof(int), /* Bytes to read */
&out_value, /* Pointer to store the data */
0, /* Events in wait list */
NULL, /* Wait list */
NULL); /* Event object */
if (error != CL_SUCCESS) {
fprintf(stderr, "clEnqueueReadBuffer() failed: %s\n",
clUtilErrorString(error));
return EXIT_FAILURE;
}
fprintf(stderr, "clEnqueueReadBuffer() suceeded.\n");
if (out_value == expected) {
fprintf(stderr, "Pass\n");
return EXIT_SUCCESS;
} else {
fprintf(stderr, "Expected %d, but got %d\n", expected, out_value);
return EXIT_FAILURE;
}
}
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