#include <stdio.h>
#include <stdlib.h>
#ifdef __APPLE__
#include <OpenCL/opencl.h>
#else
#include <CL/cl.h>
#endif
//using namespace std;

int main() {
    printf("hi\n");

    cl_int errcode;
    cl_uint num_platforms;
    errcode = clGetPlatformIDs(0, NULL, &num_platforms);
    //return 0;
    printf("Platforms count: %d\n", num_platforms);

    cl_platform_id *platforms;
    platforms = (cl_platform_id*) malloc(sizeof(cl_platform_id) * num_platforms);
    //platforms = new cl_platform_id[num_platforms];
    errcode = clGetPlatformIDs(num_platforms, platforms, NULL);

    for (int i = 0; i < num_platforms; ++i) {
        size_t ret_size;
        errcode = clGetPlatformInfo(platforms[i], CL_PLATFORM_NAME, 0, NULL, &ret_size);
        //char* plat_name = (char*)malloc(ret_size);
        char* plat_name = new char[ret_size];
        errcode = clGetPlatformInfo(platforms[i], CL_PLATFORM_NAME, ret_size, plat_name, NULL);
        printf("%d. %s\n", platforms[i], plat_name);
        //delete[] plat_name;
        free(plat_name);
    }

    for (int i = 0; i < num_platforms; ++i) {
        cl_uint num_devices;
        errcode = clGetDeviceIDs(platforms[i], CL_DEVICE_TYPE_GPU, 0, NULL, &num_devices);
        cl_device_id *devices = (cl_device_id*) malloc(sizeof(cl_device_id) * num_devices);
        errcode = clGetDeviceIDs(platforms[i], CL_DEVICE_TYPE_GPU, num_devices, devices, NULL);
        printf("::%d\n", errcode);

        //printf("devices %u\n", num_devices);
        //continue;
        char *driver_version;
        size_t valueSize;
        for (int j = 0; j < num_devices; ++j) {
            errcode = clGetDeviceInfo(devices[j], CL_DEVICE_OPENCL_C_VERSION, 0, NULL, &valueSize);
            printf("::%d\n", errcode);
            printf("ok %u\n", valueSize);
            //valueSize = 50;
            driver_version = (char*) malloc(valueSize);
            errcode = clGetDeviceInfo(devices[j], CL_DEVICE_OPENCL_C_VERSION, valueSize, driver_version, NULL);
            printf("::%d\n", errcode);
            printf("%d. %s\n", devices[j], driver_version);
            free(driver_version);
        }
        free(devices);
    }
    free(platforms);
    //delete[] platforms;

    /*char *driver_version;
    size_t valueSize;
    //printf("ok\n");
    for (int i = 0; i < num_platforms; ++i) {
        //clGetDeviceInfo(0, CL_DRIVER_VERSION, sizeof(char*), &driver_version, NULL);
        clGetDeviceInfo(platforms[i], CL_DRIVER_VERSION, 0, NULL, &valueSize);
        printf("ok %u\n", valueSize);
        //valueSize = 50;
        driver_version = (char*) malloc(valueSize);
        clGetDeviceInfo(0, CL_DRIVER_VERSION, valueSize, driver_version, NULL);
        printf("%d. %s\n", platforms[i], driver_version);
    }*/
    return 0;
}