Displays the results of drawing operations on the screen.
This function is used when writing your own love.run function. It presents all the results of your drawing operations on the screen. See the example in love.run for a typical use of this function.
love.graphics.present( )
None.
Nothing.
vsync
equal to true
, this function can't run more frequently than the refresh rate (e.g. 60 Hz), and will halt the program until ready if necessary.