The phrase "in the device's memory" refers to off-screen rendering: https://www.quora.com/What-is-the-use-of-offscreen-rendering https://www.quora.com/What-is-t

The phrase "in the device's memory" refers to off-screen rendering: https://www.quora.com/What-is-the-use-of-offscreen-rendering https://www.quora.com/What-is-the-use-of-offscreen-rendering