#define __CL_ENABLE_EXCEPTIONS
#if defined(__APPLE__) || defined(__MACOSX)
#include <OpenCL/cl.hpp>
#else
#include <CL/cl.hpp>
#endif
#include <cstdio>
#include <cstdlib>
#include <iostream>
const char * helloStr = "__kernel void "
"hello(void) "
"{ "
" "
"} ";
int
main(void)
{
cl_int err = CL_SUCCESS;
try {
std::vector<cl::Platform> platforms;
cl::Platform::get(&platforms);
if (platforms.size() == 0) {
std::cout << "Platform size 0\n";
return -1;
}
cl_context_properties properties[] =
{ CL_CONTEXT_PLATFORM, (cl_context_properties)(platforms[0])(), 0};
cl::Context context(CL_DEVICE_TYPE_CPU, properties);
std::vector<cl::Device> devices = context.getInfo<CL_CONTEXT_DEVICES>();
cl::Program::Sources source(1,
std::make_pair(helloStr,strlen(helloStr)));
cl::Program program_ = cl::Program(context, source);
program_.build(devices);
cl::Kernel kernel(program_, "hello", &err);
cl::Event event;
cl::CommandQueue queue(context, devices[0], 0, &err);
queue.enqueueNDRangeKernel(
kernel,
cl::NullRange,
cl::NDRange(4,4),
cl::NullRange,
NULL,
&event);
event.wait();
}
catch (cl::Error err) {
std::cerr
<< "ERROR: "
<< err.what()
<< "("
<< err.err()
<< ")"
<< std::endl;
}
return EXIT_SUCCESS;
}