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Landscape Chunks Black with 4.7 on Mobile

Running a project made with 4.7.3 (it also happened on 4.7.2, but not sure about earlier), I get entire landscape chunks showing as solid black while run directly on a mobile (android) device. If I have a single texture in my material setup and don't use layers it's perfectly fine. The moment I create my layer info then it occurs.

I posted the following forum post which contains some screenshots which help highlight the issue: https://forums.unrealengine.com/showthread.php?63373-Landscape-chunks-on-black-on-mobile

If I create a test project in 4.6.1 and create a landscape in the exact same manner it's perfect. As soon as I upgrade to 4.7 or create a new project the issue crops up. It happens every time you create a landscape with 4.7 and run on a mobile device so it can be easily re-produced.

I doubt it's something I have done incorrectly, since 4.6 I do the exact same process and it works. Looks like a bug with 4.7.

Product Version: Not Selected
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asked Mar 22 '15 at 01:19 AM in Bug Reports

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avatar image Rudy Q ♦♦ STAFF Mar 23 '15 at 03:21 PM

Hello Xenogenik,

I have a few questions for you that will help reproduce this issue on our end.

Quick questions:

  1. What Android device are you using?

  2. What version of the operating system are you using?

  3. Could you provide a detailed list of the steps that you are using to reproduce this issue?

  4. Does this occur when Launching to the device or after packaging?

avatar image Xenogenik Mar 24 '15 at 08:06 AM

Hi Rudy,

Thanks for following up.

I am running this on a Samsung Galaxy Note3 (SM-N9005), running Android 4.4.2.

I am developing currently on Windows 10 Tech Preview. I also tested UE version 4.6 on the same system which does not produce this issue. If it's strongly thought this is an issue I could with some effort setup a windows 7 or 8 build to test if it still happens on those platforms. I also use the binary distribution rather than compiled.

In order to re-produce this it's fairly simple, create a landscape with layered material and it occurs. I did write a massive detail of every step performed but then realized I had exceeded the character limit on comments by 900. Hopefully that's adequate, but that is all that it takes, create a landscape (does not matter the size, even a small one), create material with Landscape LayerBlend Nodes (I did also try LayerWeight Node and same thing), create the layer info for each layer and paint. It happens every time.

It also occurs regardless if I launch on device or packaging.

Let me know if more detail is required.

avatar image netto337 Oct 04 '17 at 06:37 PM

Hello, I have this problem .... already have some solution?

avatar image Rudy Q ♦♦ STAFF Oct 04 '17 at 06:58 PM

The issue is showing to have been resolved. If you are experiencing a similar issue. I would suggested creating a new thread for tracking purposes so that someone could investigate further.

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Hello Xenogenik,

I was able to reproduce this issue on our end. I have written up a report ( UE-12441) and I have submitted it to the developers for further consideration. I will provide updates with any pertinent information as it becomes available. Thank you for your information and time.

Make it a great day

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answered Mar 24 '15 at 03:14 PM

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Rudy Q ♦♦ STAFF
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avatar image kodmistrz May 16 '15 at 02:26 AM

I have also this bug. Any update on this?

avatar image Rudy Q ♦♦ STAFF May 18 '15 at 02:15 PM

Hello kodmistrz,

I went ahead and double checked on this issue for you. This has been fixed on our latest internal build and the solution will be available in a later release of the engine. I hope that this information helps.

Make it a great day

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