local love = assert( love )
local lg = love.graphics
local time = 0
local text = ""

--Set up the canvas.
assert( lg.getCanvasFormats( false ).stencil8, "Error: 8-bit stencil buffers not supported on this system." )
local stencil = love.graphics.newCanvas(
  lg.getWidth(),
  lg.getHeight(),
  {
    type = "2d",
    format = "stencil8",
    readable = false,
    msaa = 0,
    dpiscale = 1,
    mipmaps = "none",
  })

local canvas = love.graphics.newCanvas(
  lg.getWidth(),
  lg.getHeight(),
  {
    type = "2d",
    format = "rgba8",
    readable = true,
    msaa = 0,
    dpiscale = 1,
    mipmaps = "none",
  })

function love.update(dt)
  time = time + dt
end

function love.draw()
  lg.setCanvas{{canvas}, depthstencil = {stencil}}
  lg.clear()
  lg.setColor( 1,1,1,0.3 )
  lg.rectangle( "fill", time * 15.0 , 0, 400, 400 )
  lg.setCanvas()
  lg.draw( canvas )
end

function love.textinput(t)
  text = text..t
end