WYSS - What're Your System Specs? Gather all the specs from a system into a neat table

wyss.lua

local wyss = {
  --OS detected by LÖVE
  os = love.system.getOS(),
  --Current LÖVE version (>= 11.0)
  love = table.concat({love.getVersion()}, '.', 1, 3),
  --Lua version (in case it was changed)
  lua = _VERSION,

  processor = {
    --Number of threads/processors
    count = love.system.getProcessorCount(),
  }
}

if jit then
  --FFI trick to get the ammount of RAM in the system
  local ffi = require "ffi"

  ffi.cdef[[
    int SDL_GetSystemRAM(void);
  ]]
  local sdl = ffi.os == "Windows" and ffi.load("SDL") or ffi.C

  local ok, value = pcall(sdl.SDL_GetSystemRAM)
  if ok and tonumber(value) then
    wyss.processor.memory = tonumber(value)
  end

  --Architecture of the CPU
  wyss.processor.arch = jit.arch

  --Available JIT compiler features
  local features = {jit.status()}

  wyss.jit = {
    version  = jit.version,
    enabled  = table.remove(features, 1),
    features = features
  }

  --Double check for the OS string using LuaJIT's own information
  wyss.os = string.format("%s (%s)", wyss.os, jit.os)
end

if love.graphics then
  --Get renderer (GPU and driver) information
  local name, version, vendor, gpu = love.graphics.getRendererInfo()

  --Tables with supported features
  local features, image, canvas, readable = {}, {}, {}, {}

  for k, v in pairs(love.graphics.getSupported()) do
    if v then table.insert(features, k) end
  end
  for k, v in pairs(love.graphics.getImageFormats()) do --luacheck: ignore
    if v then table.insert(image, k) end
  end
  for k, v in pairs(love.graphics.getCanvasFormats()) do
    if v then table.insert(canvas, k) end
  end
  for k, v in pairs(love.graphics.getCanvasFormats(true)) do
    if v then table.insert(readable, k) end
  end

  wyss.renderer = {
    info = {
      driver = {name, version},
      gpu    = gpu,
      vendor = vendor
    },

    supports = {
      features = features,
      image = image,
      canvas = canvas,
      readable = readable
    },

    --Renderer limits
    limits = love.graphics.getSystemLimits()
  }
end

return wyss