Files
OpenVulkano/openVulkanoCpp/Base/Utils.cpp
2024-06-11 14:02:08 +03:00

120 lines
2.7 KiB
C++

/*
* 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 https://mozilla.org/MPL/2.0/.
*/
#include "Utils.hpp"
#ifdef _MSC_VER
#include <Windows.h>
#else
#include <pthread.h>
#endif
#include <fstream>
#include <string>
#include <locale>
#include <codecvt>
namespace OpenVulkano
{
void Utils::SetThreadName(const std::string& name)
{
#ifdef _MSC_VER
auto thisThread = ::GetCurrentThread();
std::wstring namew(name.begin(), name.end());
SetThreadDescription(thisThread, namew.c_str());
#elif __APPLE__
pthread_setname_np(name.c_str());
#else
pthread_setname_np(pthread_self(), name.c_str());
#endif
}
std::string Utils::GetThreadName()
{
#ifdef _MSC_VER
auto thisThread = ::GetCurrentThread();
PWSTR threadName;
GetThreadDescription(thisThread, &threadName);
std::wstring_convert<std::codecvt_utf8<wchar_t>> converter;
std::string str = converter.to_bytes(threadName);
LocalFree(threadName);
return str;
#else
// NOTE(vb): Accoring to linux man page size of this array must be _at least_ 16 bytes...
char threadName[64];
pthread_getname_np(pthread_self(), threadName, sizeof(threadName));
std::string str = threadName;
return str;
#endif
}
uint64_t Utils::GetThreadId()
{
#ifdef _MSC_VER
return (uint64_t)::GetThreadId(::GetCurrentThread());
#else
return (uint64_t)pthread_self();
#endif
}
Array<char> Utils::ReadFile(const std::string& filePath, bool emptyOnMissing)
{
std::ifstream file(filePath, std::ios::ate | std::ios::binary);
if (!file.is_open())
{
if (emptyOnMissing) return {};
throw std::runtime_error("Failed to open file '" + filePath + "'!");
}
const size_t fileSize = static_cast<size_t>(file.tellg());
Array<char> data(fileSize);
file.seekg(0);
file.read(data.Data(), fileSize);
file.close();
return data;
}
std::string Utils::PrettyBytes(uint64_t bytes)
{
static const uint64_t TERABYTES = 1024ULL*1024*1024*1024;
static const uint64_t GIGABYTES = 1024ULL*1024*1024;
static const uint64_t MEGABYTES = 1024*1024;
static const uint64_t KILOBYTES = 1024;
int TB, GB, MB, KB;
TB = bytes / TERABYTES;
bytes -= TB * TERABYTES;
GB = bytes / GIGABYTES;
bytes -= GB * GIGABYTES;
MB = bytes / MEGABYTES;
bytes -= MB * MEGABYTES;
KB = bytes / KILOBYTES;
bytes -= KB * KILOBYTES;
std::string result;
if(TB)
{
result = std::to_string(TB) + " TB";
}
else if(GB)
{
result = std::to_string(GB) + " GB";
}
else if(MB)
{
result = std::to_string(MB) + " MB";
}
else if(KB)
{
result = std::to_string(KB) + " KB";
}
else
{
result = std::to_string(bytes) + " B";
}
return result;
}
}