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#include <assert.h>
#include <stdlib.h>
#include <stdio.h>
#include <CL/cl.h>
#include "cl_simple.h"
#include "cl_util.h"
#define GLOBAL_DIM_X 10
#define GLOBAL_DIM_Y 10
int main (int argc, char ** argv)
{
unsigned i,j;
cl_int error;
cl_mem out_buffer;
int out_data[GLOBAL_DIM_X * GLOBAL_DIM_Y];
size_t global_work_size[2] = {GLOBAL_DIM_X, GLOBAL_DIM_Y};
size_t local_work_size[2] = {5, 5};
struct cl_simple_context context;
clSimpleSimpleInit(&context, "global_id2d");
/* XXX: Delete this to see a missing error path */
out_buffer = clCreateBuffer(context.cl_ctx,
CL_MEM_WRITE_ONLY,
sizeof(out_data),
NULL, &error);
assert(error == CL_SUCCESS);
if (!clSimpleKernelSetArg(context.kernel, 0, sizeof(cl_mem), &out_buffer)) {
return EXIT_FAILURE;
}
error = clEnqueueNDRangeKernel(context.command_queue,
context.kernel,
2, /* dimensions */
NULL,
global_work_size,
local_work_size,
0, NULL, NULL);
assert(error == CL_SUCCESS);
error = clEnqueueReadBuffer(context.command_queue,
out_buffer,
CL_TRUE,
0,
sizeof(out_data),
out_data,
0, NULL, NULL);
assert(error == CL_SUCCESS);
for (i = 0; i < GLOBAL_DIM_X; i++) {
for (j = 0; j < GLOBAL_DIM_Y; j++) {
fprintf(stderr, "%2u ", out_data[i * GLOBAL_DIM_Y + j]);
}
fprintf(stderr, "\n");
}
}
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