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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#include "clew.h"
#if defined(WIN32) | defined(_WIN32) || defined(__WIN32)
#include <Windows.h>
#define OPENCL_DLL_NAME "OpenCL.dll"
#elif defined(MACOSX)
#define OPENCL_DLL_NAME NULL
#else
#define OPENCL_DLL_NAME "libOpenCL.so"
#endif
#include <iostream>
#include <fstream>
#include <string>
#include <vector>
const size_t PLATFORM_INFO_SIZE = 512;
const size_t DEVICE_INFO_SIZE = 512;
void log_device(std::ofstream& file, cl_device_id id)
{
char name[DEVICE_INFO_SIZE];
cl_int state = clGetDeviceInfo(id, CL_DEVICE_NAME, DEVICE_INFO_SIZE, name, NULL);
if(state != CL_SUCCESS)
return;
file << std::endl << " OpenCL device" << std::endl;
file << " Name: " << name << std::endl;
char version[DEVICE_INFO_SIZE];
state = clGetDeviceInfo(id, CL_DEVICE_VERSION, DEVICE_INFO_SIZE, version, NULL);
if(state != CL_SUCCESS)
return;
file << " Version: " << version << std::endl;
char vendor[DEVICE_INFO_SIZE];
state = clGetDeviceInfo(id, CL_DEVICE_VENDOR, DEVICE_INFO_SIZE, vendor, NULL);
if(state != CL_SUCCESS)
return;
file << " Vendor: " << vendor << std::endl;
cl_uint compute_units;
state = clGetDeviceInfo(id, CL_DEVICE_MAX_COMPUTE_UNITS, sizeof(compute_units), &compute_units, NULL);
if(state != CL_SUCCESS)
return;
file << " Compute Units: " << compute_units << std::endl;
char driver[DEVICE_INFO_SIZE];
state = clGetDeviceInfo(id, CL_DRIVER_VERSION, DEVICE_INFO_SIZE, driver, NULL);
if(state != CL_SUCCESS)
return;
file << " Driver: " << driver << std::endl;
char extensions[DEVICE_INFO_SIZE];
state = clGetDeviceInfo(id, CL_DEVICE_EXTENSIONS, DEVICE_INFO_SIZE, extensions, NULL);
if(state != CL_SUCCESS)
return;
file << " Extensions: " << extensions << std::endl;
}
void log_platform(std::ofstream& file, cl_platform_id id)
{
char name[PLATFORM_INFO_SIZE];
cl_int state = clGetPlatformInfo(id, CL_PLATFORM_NAME, PLATFORM_INFO_SIZE, name, NULL);
if(state != CL_SUCCESS)
return;
file << "OpenCL platform" << std::endl;
file << "Name: " << name << std::endl;
char vendor[PLATFORM_INFO_SIZE];
state = clGetPlatformInfo(id, CL_PLATFORM_VENDOR, PLATFORM_INFO_SIZE, vendor, NULL);
if(state != CL_SUCCESS)
return;
file << "Vendor: " << vendor << std::endl;
char version[PLATFORM_INFO_SIZE];
state = clGetPlatformInfo(id, CL_PLATFORM_VERSION, PLATFORM_INFO_SIZE, version, NULL);
if(state != CL_SUCCESS)
return;
file << "OpenCL version: " << version << std::endl;
char extensions[PLATFORM_INFO_SIZE];
state = clGetPlatformInfo(id, CL_PLATFORM_EXTENSIONS, PLATFORM_INFO_SIZE, extensions, NULL);
if(state != CL_SUCCESS)
return;
file << "Extensions: " << extensions << std::endl;
cl_uint devices;
state = clGetDeviceIDs(id, CL_DEVICE_TYPE_ALL, 0, NULL, &devices);
if(state != CL_SUCCESS)
return;
std::vector<cl_device_id> deviceIDs(devices);
state = clGetDeviceIDs(id, CL_DEVICE_TYPE_ALL, devices, &deviceIDs[0], NULL);
if(state != CL_SUCCESS)
return;
for(size_t i = 0; i < devices; ++i)
{
log_device(file, deviceIDs[i]);
file << std::endl;
}
file << std::endl;
}
void list_platforms(std::ofstream& file)
{
cl_uint platforms;
cl_int state = clGetPlatformIDs(0, NULL, &platforms);
if(state != CL_SUCCESS)
return;
std::vector<cl_platform_id> platformIDs(platforms);
state = clGetPlatformIDs(platforms, &platformIDs[0], NULL);
if(state != CL_SUCCESS)
return;
for(size_t i = 0; i < platforms; ++i)
{
log_platform(file, platformIDs[i]);
}
}
int main(int, char**)
{
int status = clewInit(OPENCL_DLL_NAME);
std::ofstream file("opencl.log");
if(status < 0)
{
file << "failed to init OpenCL" << std::endl;
return 1;
}
list_platforms(file);
file << "success" << std::endl;
return 0;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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