After updating to 4.11 pre 3-4 we experience materials turning black on mobile device. Ive been trying to fix it but only ends up black on device no matter what.
My weird conclusion so far is that in some cases the parameter collection is not working properly. And we derive heavily on the parameter collection working. It did work perfectly prior 4.11 pre 3 ( We didnt change anything ).
This is how we want it and what used to work, this works on PC / mobile preview but not mobile for some reason!.
I am not able to replicate the effects you are describing above, can you share what the logic of your depthfade material function is? Also please let me what type of Device you are deploying to and what AndroidOS you have installed on the device?
We have for ex tested on samsung g5 ( G Alpha SMg850F ) and samsung g6. Android 5.0.2
I attach a smaller scene where you can se the difference on the phone. Everything works as usual in editor and mobile preview in that scene. But the phone doesnt work anymore.
Again, this did work, but just stopped working around preview 4.11 pre2.
thanks for your time
Thank you for the additional information, I was able to track down the issue. It looks like something to do with the combination of 4.11 and Android OS version 5, version 4 and version 6 packaged and launched correctly with Material Parameter Collections.
I have entered a bug report for this as UE-26674, as we investigate a solution I will keep you informed here.
