What are the differences between 2018.2 and 2019.2 skybox UVs?

Question

When using unity 2018.2.2f1 compared to 2019.2.9f1 (LWRP) the UV's of the skyboxes seem different as if there might be a different skybox mesh between the two versions.

To show what I mean, I created a skybox shader just using UVs/texcoords to color the sky. The following images were taken in ortho/iso mode at the same perspective/angle.

Does anybody know what is happening here and is there a possibility to revert to this 2018.2.2f1 skybox model or something? This issue is affecting shaders I am re-writing.

2018.2.2f1:

alt text

2019.2.9f1 (LWRP):

alt text

Answer 1

Best Answer

Answer by Jonathan_L · Oct 28, 2019 at 01:17 AM

Turns out the 2018 project was in linear color space while the project I am working on currently is in gamma color space.

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Answer 2

Answer by Jonathan_L · Oct 27, 2019 at 01:22 AM

Now, I thought this was causing an issue I had with a skybox shader I was writing but it turns out that I was calling normalize(UV) instead of normalize(UV.xyz) which was causing the issues.

So I am no longer having any issues but I guess this question still remains.

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What are the differences between 2018.2 and 2019.2 skybox UVs?

2018.2.2f1:

2019.2.9f1 (LWRP):

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