It seems that this demo does work on the simulator only, I tried to run it on the Iphone but the texture lookup in the vertex shader always return 0 so so there is no actual vertex displacement. Tried to code a small program myself without the sdk but the outcome was the same.
Can someone confirm that texture reading is not possible in the vertex shader on the IPhone?
Warmi is correct – this is why the DisplacementMapping training course is not supposed to be in the iPhone package as it’s a bit misleading. Something has obviously gone wrong in our packaging code – apologies for the confusion.
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