#include <iostream>
#include <vector>
#include <CL/cl.h>

int main()
{


	cl_int error;

	cl_uint platformIdCount = 0;
	clGetPlatformIDs (0, nullptr, &platformIdCount);

	std::vector<cl_platform_id> platformIds (platformIdCount);
	clGetPlatformIDs (platformIdCount, platformIds.data(), nullptr);

	std::cout << "Platform count: " << platformIdCount << std::endl;

	cl_uint deviceIdCount = 0;
	clGetDeviceIDs (platformIds [0], CL_DEVICE_TYPE_ALL, 0, nullptr,
	    &deviceIdCount);
	std::cout << "Device in Platform 0 count: " << deviceIdCount << std::endl;

	std::vector<cl_device_id> deviceIds (deviceIdCount);
	clGetDeviceIDs (platformIds [0], CL_DEVICE_TYPE_ALL, deviceIdCount,
	    deviceIds.data (), nullptr);


	const cl_context_properties contextProperties [] =
	{
	    CL_CONTEXT_PLATFORM,
	    reinterpret_cast<cl_context_properties> (platformIds [0]),
	    0, 0
	};

	cl_context context = clCreateContext (
	    contextProperties, deviceIdCount,
	    deviceIds.data (), nullptr,
	    nullptr, &error);


	return 0;
}