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I am trying to understand how does rendering work on a low level.

In a 2d game if the 4 players are sharing the same view I think the GPU has to render the background once then the 2 players but what if it's 3d 3rd person with 2 seprate monitors will the GPU render everything 2 times ( once for each player ) or will it render the world once and make minor calculations to to show each player's perspective?

Is there way for me to determine the outcome?

asked May 12 in Engine by AmunRam (12 points)

You mean split-screen?
As far as i know i has to render the scene 2 times, but with half the pixel-amount, so this should cancel out :)

You should still expect splitscreen mode to be more demanding than singleplayer overall.

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