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Is it good from a performance perspective to have a separate variation of a landscape material on each tile in a tiled terrain?

When i add more materials to a landscape material performance drops. So on each separate map tile is it better to have a landscape material with a smaller list of materials than putting them all into one material?

Product Version: UE 4.19
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asked May 02 '18 at 04:20 PM in Everything Else

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First of all it would look kind of weird if u will put up different materials for each tile. i would suggest u should use procedural material and dont put up a lot of different material in the same place. aswell as world composition should help. however performance may drop when loading stuff in.

Just a tip.

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answered May 02 '18 at 04:51 PM

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avatar image ShawnBecker May 02 '18 at 06:28 PM

Ya i agree it could look kinda weird although i know some people have a base texture that is common to all areas of a terrain and they have variations of the same material with some other textures which they apply to certain tiles. from my testing adding 15 or so textures to one landscape material has a big performance hit. I am exploring other ways to achieve the same texture variations without the performance hit. I know for instance that cryengine performs better with 15 textures

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