Shader appears pixelated/granular on android device. Normal in inspector.

Questions & Answers
1

Hi,

I am using a custom shader to dynamically fill out the UI screen when I am changing levels in my AR application.

In inspector it looks like this - solid colors fill the screen, completely blocking the background.
170807-supposedto.png

However when I build it to my phone, the shader becomes half transparent and it seems that only occasional pixels of it are being rendered.

170808-notsupposedto.png
170808-notsupposedto.png315×555 353 KB

Pretty much all project settings are set to default, except I needed to set android API level compatibility to min API 26 and had to remove Vulkan from player settings.

I am at a loss what could be causing this issue and how to fix it.

EDIT: Having ARSession object disabled is related to this issue.

2

So the issue appears to be a weird edge case:

  • AR session disabled

  • Custom shaders used

  • Solid color background color used instead of skybox in AR camera

Tested in an empty project, last bullet point is the main cause.