2018.3 regression: ConvertToEquirect gives a black image

Question

We are working on a feature that allows to take 360 panoram screenshots. It works great with Unity 2018.2 but it fails completly with Unity 2018.3. So we tried to debug it and noticed that ConvertToEquirect has a different behavior on both versions.

You can see that the equilateral in Unity 2017.2 is a success. equilateral texture with 2017 But it's not the case with Unity 2018.3.12. equilateral texture with 2018

The code is the same for both tests, we are on WebGL and it fails with both WebGL 1.0 and 2.0.

Though the cubemap used to create the equilateral texture is ok with both versions.

Here is the code we used in our tests:

 RenderTexture cubemap = AssetDatabase.LoadAssetAtPath<RenderTexture>("Assets/Cubemap.renderTexture");
                
 if (!camera.RenderToCubemap(cubemap, 63, UnityEngine.Camera.MonoOrStereoscopicEye.Mono))
 {
     Debug.LogError("Render to cubemap failed");
     return null;
 }
  
 RenderTexture equirectangularTexture = AssetDatabase.LoadAssetAtPath<RenderTexture>("Assets/Equilateral.renderTexture");
  
 cubemap.ConvertToEquirect(equirectangularTexture, UnityEngine.Camera.MonoOrStereoscopicEye.Mono);

It looks like a regression coming with Unity 2018.3. Any idea how to workaround this ?

Answer 1

Best Answer

Answer by kevin-masson · Apr 17, 2019 at 07:00 AM

It is fixed in 2019.1.

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2018.3 regression: ConvertToEquirect gives a black image

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