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is there a resolution limitation with render texture on IOS ? I have unity 3 iphone advanced license and I cant set the render texture to higher resolution then 512x512, when I set it to 1024x512 it jumps to 512x256. I wonder, is that a bug? am I missing something? I was able to get higher resolution when changing the platform to mac standalone but when I change it back to IOS its starts to act funny again. I didn't find any reference to this limitation so I wonder if anyone else had this problem. If someone can please tell me he (or she) was able to use render texture under IOS with, lets say 1024x1024. just so I would know that its not a bug. thanks
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Check your texture import settings there is a max size there. Maybe it's set to 512 ! Check the section for ios too!
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they must be square textures thats what I read here: http://docs.unity3d.com/Documentation/ScriptReference/RenderTexture.html Note that while RenderTexture assets can be only power-of-two size, it is possible to create a non-power-of-two (rect) render textures from scripts. These are most often used for image post processing effects. RenderTexture class is only available in Unity Pro.
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I'm also using a rendertexture in my game, and would like to port it to iOS eventually. It would be good to know what the iphone/ipad can handle and if rendertextures are even supported.