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Mobile Performance/Shader Complexity Problem!

Hello there!

I hope you can help me out. I'm planning to make a mobile game, and as always, I've started out looking for ways to improve the scene performance, mostly because I have a not-too-strong device to test. What I've came across is that on mobile preview, the shader complexity is all red, even for those materials/surfaces that are only a Const3 for the color, and at the same time they are FullyRough and DirectionalLightmap is off. I know that weaker mobile hardware have more issues with shaders, but I've fired up the Sun Temple, and took a quick look at the shader complexity there. Needless to say, I was pretty amazed by the fact that those materials, which use multiple texture inputs and somewhat complex math (lerping and stuff) have the same performance impact than my material with a single Const3. Any ideas on this one? How could I get a proper performance? Even a basic 3rd person scene is glowing red.

Thank you in advance!

Product Version: UE 4.10
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asked Mar 25 '16 at 10:55 AM in Rendering

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avatar image Lostra01 Mar 25 '16 at 11:15 AM

Okay, what I've found out so far, if I use the Emissive Color node instead of Diffuse, the shader complexity shows a bit darker red, but still nowhere close to green.

avatar image George Li Nov 03 '16 at 06:55 PM

I have the same problem. Can anybody help?

avatar image RyanTGames Jan 19 '18 at 02:38 PM

Did you find a solution?

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