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#include <stdio.h>
#include <stdlib.h>
#include <CL/cl.h>
#include "util.h"
int main(int argc, char ** argv)
{
cl_int error;
struct clu_context context;
cl_mem out_buffer;
unsigned i;
int out_data[10];
size_t global_work_size = 10;
if (!cluInitGpuDevice(&context.device_id)) {
return EXIT_FAILURE;
}
if (!cluCreateContext(&context.cl_ctx, context.device_id)) {
return EXIT_FAILURE;
}
if (!cluCreateCommandQueue(&context.command_queue, context.cl_ctx,
context.device_id)) {
return EXIT_FAILURE;
}
if (!cluCreateKernel(context.cl_ctx, context.device_id, &context.kernel,
"global_id")) {
return EXIT_FAILURE;
}
out_buffer = clCreateBuffer(context.cl_ctx,
CL_MEM_WRITE_ONLY, /* Flags */
sizeof(out_data), /* Size of buffer */
NULL, /* Pointer to the data */
&error); /* error code */
if (error != CL_SUCCESS) {
fprintf(stderr, "clCreateBuffer() failed: %s\n", cluErrorString(error));
return EXIT_FAILURE;
}
fprintf(stderr, "clCreateBuffer() succeeded.\n");
if ( !cluKernelSetArg(context.kernel, 0, sizeof(cl_mem), &out_buffer)) {
return EXIT_FAILURE;
}
error = clEnqueueNDRangeKernel(context.command_queue,
context.kernel,
1, /* Number of dimensions */
NULL, /* Global work offset */
&global_work_size,
&global_work_size, /* local work size */
0, /* Events in wait list */
NULL, /* Wait list */
NULL); /* Event object for this event */
if (error != CL_SUCCESS) {
fprintf(stderr, "clEnqueueNDRangeKernel() failed: %s\n",
cluErrorString(error));
return EXIT_FAILURE;
}
fprintf(stderr, "clEnqueueNDRangeKernel() suceeded.\n");
error = clEnqueueReadBuffer(context.command_queue,
out_buffer,
CL_TRUE, /* TRUE means it is a blocking read. */
0, /* Buffer offset to read from. */
sizeof(out_data), /* Bytes to read */
out_data, /* 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",
cluErrorString(error));
return EXIT_FAILURE;
}
fprintf(stderr, "clEnqueueReadBuffer() suceeded.\n");
for (i = 0; i < 10; i++) {
fprintf(stderr, "id %u = %u\n", i, out_data[i]);
}
/*
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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