Image-effects with OpenGL ES3 = blank screen?

Unity Engine
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1

trying to get a bloom working on the iPhone. Works with ES2 but only 15fps so completely impractical. Heard it might be better with ES3 but every single one I try ends up with the blank screen and this error in Xcode: OpenGLES error 0x0502 in (my project)/Xcode/Classes/Unity/GlesHelper.mm:373

PS: Am I dreaming trying to get a bloom on the iPhone lol?

EDIT: words

2

I have encountered this problem too.

3

have you tried the image-effects in unity 5? I heard they re-did them in C# but haven;t had a chance to check if they are metal/ES3 compatible yet

4

I have the same problem here, any news on that?